test: adjusted BadCommandUsage javadoc

Paper plugin should be able to register Brigadier commands that redirects to the root command node (similar to vanilla /execute run)

.gitignore

@@ -1,3 +1,5 @@
 /.idea
 /*/target
-dependency-reduced-pom.xml
+dependency-reduced-pom.xml
+
+*.iml

Readme.md

@@ -18,8 +18,9 @@ that are detailed in their respective Readme file (if any).
 - `pandalib-players` A library to handle classes representing online or offline players;
 - `pandalib-players-permissible` An extension of `pandalib-players` with support for the permission system `pandalib-permissions`;
 - `pandalib-netapi` A poorly designed, but working TCP network library;
+- `pandalib-config` Utility and helper classes to handle configuration related files and folders;
 - `pandalib-commands` An abstract command manager working on top of [Brigadier](https://github.com/Mojang/brigadier);
-- `pandalib-cli` Utility and helper classes for a standalone CLI Java application.
+- `pandalib-cli` Utility and helper classes for a standalone CLI Java application;
 - `pandalib-core` A catch-all module for some helper classes that didn't have their own module yet;
 
 ### Use in your projects

pandalib-bungee-chat/.gitignore

@@ -0,0 +1 @@
+/target/

pandalib-bungee-chat/pom.xml

@@ -0,0 +1,49 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <parent>
+        <artifactId>pandalib-parent</artifactId>
+        <groupId>fr.pandacube.lib</groupId>
+        <version>1.0-SNAPSHOT</version>
+        <relativePath>../pom.xml</relativePath>
+    </parent>
+    <modelVersion>4.0.0</modelVersion>
+
+    <artifactId>pandalib-bungee-chat</artifactId>
+    <packaging>jar</packaging>
+
+    <repositories>
+        <repository>
+            <id>bungeecord-repo</id>
+            <url>https://oss.sonatype.org/content/repositories/snapshots</url>
+        </repository>
+    </repositories>
+
+    <dependencies>
+        <dependency>
+            <groupId>fr.pandacube.lib</groupId>
+            <artifactId>pandalib-util</artifactId>
+            <version>${project.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>fr.pandacube.lib</groupId>
+            <artifactId>pandalib-chat</artifactId>
+            <version>${project.version}</version>
+        </dependency>
+
+        <dependency>
+            <groupId>net.md-5</groupId>
+            <artifactId>bungeecord-chat</artifactId>
+            <version>${bungeecord.version}</version>
+            <scope>provided</scope>
+        </dependency>
+
+        <dependency>
+            <groupId>net.kyori</groupId>
+            <artifactId>adventure-platform-bungeecord</artifactId>
+            <version>4.3.0</version>
+        </dependency>
+    </dependencies>
+
+</project>

pandalib-bungee-chat/src/main/java/fr/pandacube/lib/bungee/chat/ChatBungee.java

@@ -0,0 +1,77 @@
+package fr.pandacube.lib.bungee.chat;
+
+import fr.pandacube.lib.chat.Chat;
+import fr.pandacube.lib.chat.Chat.FormatableChat;
+import net.kyori.adventure.text.Component;
+import net.kyori.adventure.text.ComponentLike;
+import net.kyori.adventure.text.serializer.bungeecord.BungeeComponentSerializer;
+import net.md_5.bungee.api.chat.BaseComponent;
+
+/**
+ * Utility class to ease conversion between our Adventure backed Chat API and BungeeCord chat API.
+ */
+public class ChatBungee {
+
+
+
+    /**
+     * Creates a {@link FormatableChat} from the provided Bungee {@link BaseComponent}.
+     * @param c the {@link BaseComponent}.
+     * @return a new {@link FormatableChat}.
+     */
+    public static FormatableChat chatComponent(BaseComponent c) {
+        return Chat.chatComponent(toAdventure(c));
+    }
+
+
+
+    /**
+     * Creates a {@link FormatableChat} from the provided Bungee {@link BaseComponent BaseComponent[]}.
+     * @param c the array of {@link BaseComponent}.
+     * @return a new {@link FormatableChat}.
+     */
+    public static FormatableChat chatComponent(BaseComponent[] c) {
+        return Chat.chatComponent(toAdventure(c));
+    }
+
+
+
+    /**
+     * Converts the Bungee {@link BaseComponent} array into Adventure {@link Component}.
+     * @param components the Bungee {@link BaseComponent} array.
+     * @return a {@link Component}.
+     */
+    public static Component toAdventure(BaseComponent[] components) {
+        return BungeeComponentSerializer.get().deserialize(components);
+    }
+    /**
+     * Converts the Bungee {@link BaseComponent} into Adventure {@link Component}.
+     * @param component the Bungee {@link BaseComponent}.
+     * @return a {@link Component}.
+     */
+    public static Component toAdventure(BaseComponent component) {
+        return toAdventure(new BaseComponent[] { component });
+    }
+
+    /**
+     * Converts the Adventure {@link Component} into Bungee {@link BaseComponent} array.
+     * @param component the Adventure {@link Component}.
+     * @return a {@link BaseComponent} array.
+     */
+    public static BaseComponent[] toBungeeArray(ComponentLike component) {
+        return BungeeComponentSerializer.get().serialize(component.asComponent());
+    }
+
+    /**
+     * Converts the Adventure {@link Component} into Bungee {@link BaseComponent}.
+     * @param component the Adventure {@link Component}.
+     * @return a {@link BaseComponent}.
+     */
+    public static BaseComponent toBungee(ComponentLike component) {
+        BaseComponent[] arr = toBungeeArray(component);
+        return arr.length == 1 ? arr[0] : new net.md_5.bungee.api.chat.TextComponent(arr);
+    }
+
+
+    private ChatBungee() {}
+}

pandalib-bungee/pom.xml

@@ -33,7 +33,7 @@
         </dependency>
         <dependency>
             <groupId>fr.pandacube.lib</groupId>
-            <artifactId>pandalib-chat</artifactId>
+            <artifactId>pandalib-bungee-chat</artifactId>
             <version>${project.version}</version>
         </dependency>
         <dependency>

pandalib-bungee/src/main/java/fr/pandacube/lib/bungee/commands/BungeeBrigadierDispatcher.java

@@ -1,6 +1,6 @@
 package fr.pandacube.lib.bungee.commands;
 
-import fr.pandacube.lib.chat.Chat;
+import fr.pandacube.lib.bungee.chat.ChatBungee;
 import fr.pandacube.lib.commands.BrigadierDispatcher;
 import net.kyori.adventure.text.ComponentLike;
 import net.md_5.bungee.api.CommandSender;
@@ -71,6 +71,6 @@ public class BungeeBrigadierDispatcher extends BrigadierDispatcher<CommandSender
 
 	@Override
 	protected void sendSenderMessage(CommandSender sender, ComponentLike message) {
-		sender.sendMessage(Chat.toBungee(message.asComponent()));
+		sender.sendMessage(ChatBungee.toBungee(message.asComponent()));
 	}
 }

pandalib-bungee/src/main/java/fr/pandacube/lib/bungee/players/BungeeOnlinePlayer.java

@@ -1,6 +1,6 @@
 package fr.pandacube.lib.bungee.players;
 
-import fr.pandacube.lib.chat.Chat;
+import fr.pandacube.lib.bungee.chat.ChatBungee;
 import fr.pandacube.lib.core.mc_version.ProtocolVersion;
 import fr.pandacube.lib.players.standalone.AbstractOnlinePlayer;
 import fr.pandacube.lib.reflect.Reflect;
@@ -84,13 +84,13 @@ public interface BungeeOnlinePlayer extends BungeeOffPlayer, AbstractOnlinePlaye
 
     @Override
     default void sendMessage(Component message) {
-        getBungeeProxiedPlayer().sendMessage(Chat.toBungee(message));
+        getBungeeProxiedPlayer().sendMessage(ChatBungee.toBungee(message));
     }
 
     @Override
     default void sendTitle(Component title, Component subtitle, int fadeIn, int stay, int fadeOut) {
         ProxyServer.getInstance().createTitle()
-                .title(Chat.toBungee(title)).subTitle(Chat.toBungee(subtitle))
+                .title(ChatBungee.toBungee(title)).subTitle(ChatBungee.toBungee(subtitle))
                 .fadeIn(fadeIn).stay(stay).fadeOut(fadeOut)
                 .send(getBungeeProxiedPlayer());
     }

pandalib-chat/pom.xml

@@ -30,8 +30,13 @@
         </dependency>
         <dependency>
             <groupId>net.kyori</groupId>
-            <artifactId>adventure-platform-bungeecord</artifactId>
-            <version>4.3.0</version>
+            <artifactId>adventure-text-serializer-gson</artifactId>
+            <version>4.13.0</version>
+        </dependency>
+        <dependency>
+            <groupId>net.kyori</groupId>
+            <artifactId>adventure-text-serializer-legacy</artifactId>
+            <version>4.13.0</version>
         </dependency>
         <dependency>
             <groupId>net.kyori</groupId>
@@ -46,13 +51,6 @@
 
 
 
-        <dependency>
-            <groupId>net.md-5</groupId>
-            <artifactId>bungeecord-chat</artifactId>
-            <version>${bungeecord.version}</version>
-            <scope>compile</scope>
-        </dependency>
-
         <dependency>
             <groupId>com.google.code.gson</groupId>
             <artifactId>gson</artifactId>

pandalib-chat/src/main/java/fr/pandacube/lib/chat/Chat.java

@@ -16,15 +16,13 @@ import net.kyori.adventure.text.format.TextColor;
 import net.kyori.adventure.text.format.TextDecoration;
 import net.kyori.adventure.text.format.TextDecoration.State;
 import net.kyori.adventure.text.minimessage.MiniMessage;
-import net.kyori.adventure.text.serializer.bungeecord.BungeeComponentSerializer;
 import net.kyori.adventure.text.serializer.gson.GsonComponentSerializer;
 import net.kyori.adventure.text.serializer.legacy.LegacyComponentSerializer;
 import net.kyori.adventure.text.serializer.plain.PlainTextComponentSerializer;
-import net.md_5.bungee.api.ChatColor;
-import net.md_5.bungee.api.chat.BaseComponent;
 import org.jetbrains.annotations.NotNull;
 
 import java.awt.*;
+import java.util.Locale;
 import java.util.Objects;
 import java.util.function.Consumer;
 import java.util.function.UnaryOperator;
@@ -67,26 +65,10 @@ public abstract sealed class Chat extends ChatStatic implements HoverEventSource
      * Builds the component into Adventure Component instance.
      * @return the {@link Component} built from this {@link Chat} component.
      */
-    public Component getAdv() {
+    public Component get() {
         return builder.build();
     }
 
-    /**
-     * Builds the component into BungeeCord {@link BaseComponent} instance.
-     * @return the {@link BaseComponent} built from this {@link Chat} component.
-     */
-    public BaseComponent get() {
-        return toBungee(getAdv());
-    }
-
-    /**
-     * Builds the component into BungeeCord {@link BaseComponent} array.
-     * @return the {@link BaseComponent} array built from this {@link Chat} component.
-     */
-    public BaseComponent[] getAsArray() {
-        return toBungeeArray(getAdv());
-    }
-
     private static final LegacyComponentSerializer LEGACY_SERIALIZER_BUNGEE_FRIENDLY = LegacyComponentSerializer.builder()
             .hexColors()
             .useUnusualXRepeatedCharacterHexFormat()
@@ -97,7 +79,7 @@ public abstract sealed class Chat extends ChatStatic implements HoverEventSource
      * @return the legacy text. RGB colors are in BungeeCord format.
      */
     public String getLegacyText() {
-        return LEGACY_SERIALIZER_BUNGEE_FRIENDLY.serialize(getAdv());
+        return LEGACY_SERIALIZER_BUNGEE_FRIENDLY.serialize(get());
     }
 
     /**
@@ -105,12 +87,12 @@ public abstract sealed class Chat extends ChatStatic implements HoverEventSource
      * @return the plain text of this component.
      */
     public String getPlainText() {
-        return PlainTextComponentSerializer.plainText().serializeOr(getAdv(), "");
+        return PlainTextComponentSerializer.plainText().serializeOr(get(), "");
     }
 
     @Override
     public @NotNull HoverEvent<Component> asHoverEvent(@NotNull UnaryOperator<Component> op) {
-        return HoverEvent.showText(op.apply(getAdv()));
+        return HoverEvent.showText(op.apply(get()));
     }
 
     /**
@@ -119,7 +101,7 @@ public abstract sealed class Chat extends ChatStatic implements HoverEventSource
      */
     @Override
     public @NotNull Component asComponent() {
-        return getAdv();
+        return get();
     }
 
     /**
@@ -127,7 +109,7 @@ public abstract sealed class Chat extends ChatStatic implements HoverEventSource
      * @return the {@link Component} built from this {@link Chat} component, with down-sampled colors.
      */
     public Component getAsDownSampledColorsComponent() {
-        String json = GsonComponentSerializer.colorDownsamplingGson().serialize(getAdv());
+        String json = GsonComponentSerializer.colorDownsamplingGson().serialize(get());
         return GsonComponentSerializer.gson().deserialize(json);
     }
 
@@ -144,7 +126,7 @@ public abstract sealed class Chat extends ChatStatic implements HoverEventSource
      * @return the MiniMessage representation if this {@link Chat} component.
      */
     public String getMiniMessage() {
-        return MiniMessage.miniMessage().serialize(getAdv());
+        return MiniMessage.miniMessage().serialize(get());
     }
 
 
@@ -184,15 +166,6 @@ public abstract sealed class Chat extends ChatStatic implements HoverEventSource
         return this;
     }
 
-    /**
-     * Appends a BungeeCord {@link BaseComponent} to this component.
-     * @param comp the component to append.
-     * @return this.
-     */
-    public Chat then(BaseComponent comp) {
-        return then(toAdventure(comp));
-    }
-
     /**
      * Appends a component to this component.
      * @param comp the component to append.
@@ -207,15 +180,6 @@ public abstract sealed class Chat extends ChatStatic implements HoverEventSource
         return then(comp.asComponent());
     }
 
-    /**
-     * Appends a BungeeCord {@link BaseComponent} array to this component.
-     * @param comp the components to append.
-     * @return this.
-     */
-    public Chat then(BaseComponent[] comp) {
-        return then(toAdventure(comp));
-    }
-
 
 
 
@@ -495,17 +459,6 @@ public abstract sealed class Chat extends ChatStatic implements HoverEventSource
      */
     public Chat thenLeftText(ComponentLike leftText) { return then(leftText(leftText, console)); }
 
-    /**
-     * Appends a component filling a chat line with the configured decoration character and
-     * color and a left-aligned text.
-     * @param leftText the text aligned to the left.
-     * @return a new {@link FormatableChat} filling a chat line with the configured decoration character
-     *         and color and a left-aligned text.
-     * @deprecated uses Bungeecord chat API.
-     */
-    @Deprecated
-    public Chat thenLeftText(BaseComponent leftText) { return thenLeftText(chatComponent(leftText)); }
-
     /**
      * Appends a component filling a chat line with the configured decoration character and
      * color and a right-aligned text.
@@ -515,17 +468,6 @@ public abstract sealed class Chat extends ChatStatic implements HoverEventSource
      */
     public Chat thenRightText(ComponentLike rightText) { return then(rightText(rightText, console)); }
 
-    /**
-     * Appends a component filling a chat line with the configured decoration character and
-     * color and a right-aligned text.
-     * @param rightText the text aligned to the right.
-     * @return a new {@link FormatableChat} filling a chat line with the configured decoration character
-     *         and color and a right-aligned text.
-     * @deprecated uses Bungeecord chat API.
-     */
-    @Deprecated
-    public Chat thenRightText(BaseComponent rightText) { return thenRightText(chatComponent(rightText)); }
-
     /**
      * Appends a component filling a chat line with the configured decoration character and
      * color and a centered text.
@@ -537,19 +479,6 @@ public abstract sealed class Chat extends ChatStatic implements HoverEventSource
         return then(centerText(centerText, console));
     }
 
-    /**
-     * Appends a component filling a chat line with the configured decoration character and
-     * color and a centered text.
-     * @param centerText the text aligned to the center.
-     * @return a new {@link FormatableChat} filling a chat line with the configured decoration character
-     *         and color and a centered text.
-     * @deprecated uses Bungeecord chat API.
-     */
-    @Deprecated
-    public Chat thenCenterText(BaseComponent centerText) {
-        return thenCenterText(chatComponent(centerText));
-    }
-
     /**
      * Appends a component filling a chat line with the configured decoration character and color.
      * @return a new {@link FormatableChat} filling a chat line with a decoration character and color.
@@ -629,12 +558,6 @@ public abstract sealed class Chat extends ChatStatic implements HoverEventSource
          * @return this.
          */
         public FormatableChat color(TextColor c) { builder.color(c); return this; }
-        /**
-         * Sets the color of this component.
-         * @param c the color.
-         * @return this.
-         */
-        public FormatableChat color(ChatColor c) { return color(c == null ? null : TextColor.color(c.getColor().getRGB())); }
         /**
          * Sets the color of this component.
          * @param c the color.
@@ -646,7 +569,16 @@ public abstract sealed class Chat extends ChatStatic implements HoverEventSource
          * @param c the color.
          * @return this.
          */
-        public FormatableChat color(String c) { return color(c == null ? null : ChatColor.of(c)); }
+        public FormatableChat color(String c) {
+            if (c == null)
+                return color((TextColor) null);
+            TextColor tc = c.startsWith("#")
+                    ? TextColor.fromCSSHexString(c)
+                    : NamedTextColor.NAMES.value(c.toLowerCase(Locale.ROOT));
+            if (tc == null)
+                throw new IllegalArgumentException("Invalid color string '" + c + "'.");
+            return color(tc);
+        }
 
 
         /**
@@ -924,18 +856,6 @@ public abstract sealed class Chat extends ChatStatic implements HoverEventSource
          * @return this.
          */
         public FormatableChat hover(ComponentLike v) { return hover(v.asComponent()); }
-        /**
-         * Configure this component to show the provided component when hovered.
-         * @param v the component to show.
-         * @return this.
-         */
-        public FormatableChat hover(BaseComponent v) { return hover(toAdventure(v)); }
-        /**
-         * Configure this component to show the provided component when hovered.
-         * @param v the component to show.
-         * @return this.
-         */
-        public FormatableChat hover(BaseComponent[] v) { return hover(toAdventure(v)); }
         /**
          * Configure this component to show the provided legacy text when hovered.
          * @param legacyText the legacy text to show.
@@ -963,7 +883,7 @@ public abstract sealed class Chat extends ChatStatic implements HoverEventSource
 
     @Override
     public int hashCode() {
-        return getAdv().hashCode();
+        return get().hashCode();
     }
 
     @Override
@@ -976,8 +896,6 @@ public abstract sealed class Chat extends ChatStatic implements HoverEventSource
 
     /* package */ static ComponentLike filterObjToComponentLike(Object v) {
         return switch (v) {
-            case BaseComponent[] baseComponents -> toAdventure(baseComponents);
-            case BaseComponent baseComponent -> toAdventure(baseComponent);
             case ComponentLike componentLike -> componentLike;
             case null, default -> Component.text(Objects.toString(v));
         };
@@ -1011,40 +929,6 @@ public abstract sealed class Chat extends ChatStatic implements HoverEventSource
     }
 
 
-    /**
-     * Converts the Bungee {@link BaseComponent} array into Adventure {@link Component}.
-     * @param components the Bungee {@link BaseComponent} array.
-     * @return a {@link Component}.
-     */
-    public static Component toAdventure(BaseComponent[] components) {
-        return BungeeComponentSerializer.get().deserialize(components);
-    }
-    /**
-     * Converts the Bungee {@link BaseComponent} into Adventure {@link Component}.
-     * @param component the Bungee {@link BaseComponent}.
-     * @return a {@link Component}.
-     */
-    public static Component toAdventure(BaseComponent component) {
-        return toAdventure(new BaseComponent[] { component });
-    }
-
-    /**
-     * Converts the Adventure {@link Component} into Bungee {@link BaseComponent} array.
-     * @param component the Adventure {@link Component}.
-     * @return a {@link BaseComponent} array.
-     */
-    public static BaseComponent[] toBungeeArray(Component component) {
-        return BungeeComponentSerializer.get().serialize(component);
-    }
-    /**
-     * Converts the Adventure {@link Component} into Bungee {@link BaseComponent}.
-     * @param component the Adventure {@link Component}.
-     * @return a {@link BaseComponent}.
-     */
-    public static BaseComponent toBungee(Component component) {
-        BaseComponent[] arr = toBungeeArray(component);
-        return arr.length == 1 ? arr[0] : new net.md_5.bungee.api.chat.TextComponent(arr);
-    }
 
     /**
      * Force the italic formatting to be set to false if it is not explicitly set in the component.

pandalib-chat/src/main/java/fr/pandacube/lib/chat/ChatColorUtil.java

@@ -1,14 +1,14 @@
 package fr.pandacube.lib.chat;
 
+import net.kyori.adventure.text.format.TextColor;
+import net.kyori.adventure.text.format.TextDecoration;
+import net.kyori.adventure.text.format.TextFormat;
+import net.kyori.adventure.util.RGBLike;
+
 import java.util.regex.Pattern;
 
-import net.kyori.adventure.text.format.NamedTextColor;
-import net.kyori.adventure.text.format.TextColor;
-import net.kyori.adventure.util.RGBLike;
-import net.md_5.bungee.api.ChatColor;
-
 /**
- * Provides methods to manipulate legacy colors and {@link ChatColor} class.
+ * Provides methods to manipulate legacy colors.
  */
 public class ChatColorUtil {
 
@@ -38,12 +38,12 @@ public class ChatColorUtil {
         int length = legacyText.length();
 
         for (int index = length - 2; index >= 0; index--) {
-            if (legacyText.charAt(index) == ChatColor.COLOR_CHAR) {
+            if (legacyText.charAt(index) == LegacyChatFormat.COLOR_CHAR) {
 
                 // detection of rgb color §x§0§1§2§3§4§5
                 String rgb;
                 if (index > 11
-                        && legacyText.charAt(index - 12) == ChatColor.COLOR_CHAR
+                        && legacyText.charAt(index - 12) == LegacyChatFormat.COLOR_CHAR
                         && (legacyText.charAt(index - 11) == 'x'
                         || legacyText.charAt(index - 11) == 'X')
                         && HEX_COLOR_PATTERN.matcher(rgb = legacyText.substring(index - 12, index + 2)).matches()) {
@@ -64,7 +64,7 @@ public class ChatColorUtil {
 
                 // try detect non-rgb format
                 char colorChar = legacyText.charAt(index + 1);
-                ChatColor legacyColor = getChatColorByChar(colorChar);
+                LegacyChatFormat legacyColor = LegacyChatFormat.of(colorChar);
 
                 if (legacyColor != null) {
                     result.insert(0, legacyColor);
@@ -83,15 +83,6 @@ public class ChatColorUtil {
         return result.toString();
     }
 
-    /**
-     * Returns the {@link ChatColor} associated with the provided char, case-insensitive.
-     * @param code the case-insensitive char code.
-     * @return the corresponding {@link ChatColor}.
-     */
-    public static ChatColor getChatColorByChar(char code) {
-        return ChatColor.getByChar(Character.toLowerCase(code));
-    }
-
 
 
 
@@ -99,7 +90,7 @@ public class ChatColorUtil {
      * Translate the color code of the provided string, that uses the alt color char, to the {@code §} color code
      * format.
      * <p>
-     * This method is the improved version of {@link ChatColor#translateAlternateColorCodes(char, String)},
+     * This method is the improved version of Bukkit’s {@code ChatColor.translateAlternateColorCodes(char, String)},
      * because it takes into account essentials RGB color code, and {@code altColorChar} escaping (by doubling it).
      * Essentials RGB color code are converted to Bungee chat RGB format, so the returned string can be converted
      * to component (see {@link Chat#legacyText(Object)}).
@@ -112,7 +103,7 @@ public class ChatColorUtil {
      */
     public static String translateAlternateColorCodes(char altColorChar, String textToTranslate)
     {
-        char colorChar = ChatColor.COLOR_CHAR;
+        char colorChar = LegacyChatFormat.COLOR_CHAR;
         StringBuilder acc = new StringBuilder();
         char[] b = textToTranslate.toCharArray();
         for ( int i = 0; i < b.length; i++ )
@@ -180,7 +171,7 @@ public class ChatColorUtil {
      * @return the text fully italic.
      */
     public static String forceItalic(String legacyText) {
-        return forceFormat(legacyText, ChatColor.ITALIC);
+        return forceFormat(legacyText, TextDecoration.ITALIC);
     }
 
     /**
@@ -190,7 +181,7 @@ public class ChatColorUtil {
      * @return the text fully bold.
      */
     public static String forceBold(String legacyText) {
-        return forceFormat(legacyText, ChatColor.BOLD);
+        return forceFormat(legacyText, TextDecoration.BOLD);
     }
 
     /**
@@ -200,7 +191,7 @@ public class ChatColorUtil {
      * @return the text fully underlined.
      */
     public static String forceUnderline(String legacyText) {
-        return forceFormat(legacyText, ChatColor.UNDERLINE);
+        return forceFormat(legacyText, TextDecoration.UNDERLINED);
     }
 
     /**
@@ -210,7 +201,7 @@ public class ChatColorUtil {
      * @return the text fully stroked through.
      */
     public static String forceStrikethrough(String legacyText) {
-        return forceFormat(legacyText, ChatColor.STRIKETHROUGH);
+        return forceFormat(legacyText, TextDecoration.STRIKETHROUGH);
     }
 
     /**
@@ -220,15 +211,16 @@ public class ChatColorUtil {
      * @return the text fully obfuscated.
      */
     public static String forceObfuscated(String legacyText) {
-        return forceFormat(legacyText, ChatColor.MAGIC);
+        return forceFormat(legacyText, TextDecoration.OBFUSCATED);
     }
 
 
 
-    private static String forceFormat(String legacyText, ChatColor format) {
+    private static String forceFormat(String legacyText, TextFormat format) {
+        String formatStr = LegacyChatFormat.of(format).toString();
         return format + legacyText
-                .replace(format.toString(), "") // remove previous tag to make the result cleaner
-                .replaceAll("§([a-frA-FR\\d])", "§$1" + format);
+                .replace(formatStr, "") // remove previous tag to make the result cleaner
+                .replaceAll("§([a-frA-FR\\d])", "§$1" + formatStr);
     }
 
 
@@ -243,40 +235,12 @@ public class ChatColorUtil {
      * @return the resulting text.
      */
     public static String resetToColor(String legacyText, String color) {
-        return legacyText.replace(ChatColor.RESET.toString(), color);
+        return legacyText.replace(LegacyChatFormat.RESET.toString(), color);
     }
 
 
 
 
-    /**
-     * Converts the provided {@link ChatColor} to its Adventure counterpart.
-     * @param bungee a BungeeCord {@link ChatColor} instance.
-     * @return the {@link TextColor} equivalent to the provided {@link ChatColor}.
-     */
-    public static TextColor toAdventure(ChatColor bungee) {
-        if (bungee == null)
-            return null;
-        if (bungee.getColor() == null)
-            throw new IllegalArgumentException("The provided Bungee ChatColor must be an actual color (not format nor reset).");
-        return TextColor.color(bungee.getColor().getRGB());
-    }
-
-    /**
-     * Converts the provided {@link TextColor} to its BungeeCord counterpart.
-     * @param col a Adventure {@link TextColor} instance.
-     * @return the {@link ChatColor} equivalent to the provided {@link TextColor}.
-     */
-    public static ChatColor toBungee(TextColor col) {
-        if (col == null)
-            return null;
-        if (col instanceof NamedTextColor) {
-            return ChatColor.of(((NamedTextColor) col).toString());
-        }
-        return ChatColor.of(col.asHexString());
-    }
-
-
     /**
      * Create a color, interpolating between 2 colors.
      * @param v0 the value corresponding to color {@code cc0}.

pandalib-chat/src/main/java/fr/pandacube/lib/chat/ChatConfig.java

@@ -87,7 +87,7 @@ public class ChatConfig {
      */
     public static int getPrefixWidth(boolean console) {
         Chat c;
-        return prefix == null ? 0 : (c = prefix.get()) == null ? 0 : ChatUtil.componentWidth(c.getAdv(), console);
+        return prefix == null ? 0 : (c = prefix.get()) == null ? 0 : ChatUtil.componentWidth(c.get(), console);
     }
 
 

pandalib-chat/src/main/java/fr/pandacube/lib/chat/ChatStatic.java

@@ -1,7 +1,6 @@
 package fr.pandacube.lib.chat;
 
-import java.util.Objects;
-
+import fr.pandacube.lib.chat.Chat.FormatableChat;
 import net.kyori.adventure.text.BlockNBTComponent;
 import net.kyori.adventure.text.Component;
 import net.kyori.adventure.text.ComponentBuilder;
@@ -18,9 +17,8 @@ import net.kyori.adventure.text.format.NamedTextColor;
 import net.kyori.adventure.text.format.TextColor;
 import net.kyori.adventure.text.minimessage.MiniMessage;
 import net.kyori.adventure.text.serializer.legacy.LegacyComponentSerializer;
-import net.md_5.bungee.api.chat.BaseComponent;
 
-import fr.pandacube.lib.chat.Chat.FormatableChat;
+import java.util.Objects;
 
 /**
  * Abstract class holding the publicly accessible methods to create an instance of {@link Chat} component.
@@ -33,15 +31,6 @@ public abstract class ChatStatic {
         return new FormatableChat(componentToBuilder(c));
     }
 
-    /**
-     * Creates a {@link FormatableChat} from the provided Bungee {@link BaseComponent}.
-     * @param c the {@link BaseComponent}.
-     * @return a new {@link FormatableChat}.
-     */
-    public static FormatableChat chatComponent(BaseComponent c) {
-        return new FormatableChat(componentToBuilder(Chat.toAdventure(c)));
-    }
-
     /**
      * Creates a {@link FormatableChat} from the provided {@link ComponentLike}.
      * If the provided component is an instance of {@link Chat}, its content will be duplicated, and the provided one
@@ -61,15 +50,6 @@ public abstract class ChatStatic {
         return new FormatableChat(Component.text());
     }
 
-    /**
-     * Creates a {@link FormatableChat} from the provided Bungee {@link BaseComponent BaseComponent[]}.
-     * @param c the array of {@link BaseComponent}.
-     * @return a new {@link FormatableChat}.
-     */
-    public static FormatableChat chatComponent(BaseComponent[] c) {
-        return chatComponent(Chat.toAdventure(c));
-    }
-
 
 
 

pandalib-chat/src/main/java/fr/pandacube/lib/chat/ChatUtil.java

@@ -1,5 +1,17 @@
 package fr.pandacube.lib.chat;
 
+import fr.pandacube.lib.chat.Chat.FormatableChat;
+import net.kyori.adventure.text.Component;
+import net.kyori.adventure.text.ComponentLike;
+import net.kyori.adventure.text.TextComponent;
+import net.kyori.adventure.text.TranslatableComponent;
+import net.kyori.adventure.text.TranslationArgument;
+import net.kyori.adventure.text.format.NamedTextColor;
+import net.kyori.adventure.text.format.TextColor;
+import net.kyori.adventure.text.format.TextDecoration;
+import net.kyori.adventure.text.format.TextDecoration.State;
+import net.kyori.adventure.text.serializer.legacy.LegacyComponentSerializer;
+
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collections;
@@ -10,19 +22,6 @@ import java.util.Set;
 import java.util.TreeSet;
 import java.util.stream.Collectors;
 
-import net.kyori.adventure.text.Component;
-import net.kyori.adventure.text.ComponentLike;
-import net.kyori.adventure.text.TextComponent;
-import net.kyori.adventure.text.TranslatableComponent;
-import net.kyori.adventure.text.TranslationArgument;
-import net.kyori.adventure.text.format.NamedTextColor;
-import net.kyori.adventure.text.format.TextColor;
-import net.kyori.adventure.text.format.TextDecoration;
-import net.kyori.adventure.text.format.TextDecoration.State;
-import net.md_5.bungee.api.ChatColor;
-
-import fr.pandacube.lib.chat.Chat.FormatableChat;
-
 import static fr.pandacube.lib.chat.ChatStatic.chat;
 
 /**
@@ -351,7 +350,7 @@ public class ChatUtil {
 
         do {
             char c = legacyText.charAt(index);
-            if (c == ChatColor.COLOR_CHAR && index < legacyText.length() - 1) {
+            if (c == LegacyComponentSerializer.SECTION_CHAR && index < legacyText.length() - 1) {
                 currentWord.append(c);
                 c = legacyText.charAt(++index);
                 currentWord.append(c);
@@ -482,7 +481,7 @@ public class ChatUtil {
             }
             if (!row.isEmpty())
                 spacedRow.then(row.getLast());
-            spacedRows.add(spacedRow.getAdv());
+            spacedRows.add(spacedRow.get());
         }
 
         return spacedRows;
@@ -504,14 +503,14 @@ public class ChatUtil {
      */
     public static Component customWidthSpace(int width, boolean console) {
         if (console)
-            return Chat.text(" ".repeat(width)).getAdv();
+            return Chat.text(" ".repeat(width)).get();
         return switch (width) {
             case 0, 1 -> Component.empty();
-            case 2 -> Chat.text(".").black().getAdv();
-            case 3 -> Chat.text("`").black().getAdv();
-            case 6 -> Chat.text(". ").black().getAdv();
-            case 7 -> Chat.text("` ").black().getAdv();
-            case 11 -> Chat.text("`  ").black().getAdv();
+            case 2 -> Chat.text(".").black().get();
+            case 3 -> Chat.text("`").black().get();
+            case 6 -> Chat.text(". ").black().get();
+            case 7 -> Chat.text("` ").black().get();
+            case 11 -> Chat.text("`  ").black().get();
             default -> {
                 int nbSpace = width / 4;
                 int nbBold = width % 4;
@@ -520,13 +519,13 @@ public class ChatUtil {
                     if (nbBold > 0) {
                         yield Chat.text(" ".repeat(nbNotBold)).bold(false)
                                 .then(Chat.text(" ".repeat(nbBold)).bold(true))
-                                .getAdv();
+                                .get();
                     }
                     else
-                        yield Chat.text(" ".repeat(nbNotBold)).bold(false).getAdv();
+                        yield Chat.text(" ".repeat(nbNotBold)).bold(false).get();
                 }
                 else if (nbBold > 0) {
-                    yield Chat.text(" ".repeat(nbBold)).bold(true).getAdv();
+                    yield Chat.text(" ".repeat(nbBold)).bold(true).get();
                 }
                 throw new IllegalStateException("Should not be here (width=" + width + "; nbSpace=" + nbSpace + "; nbBold=" + nbBold + "; nbNotBold=" + nbNotBold + ")");
             }

pandalib-chat/src/main/java/fr/pandacube/lib/chat/LegacyChatFormat.java

@@ -0,0 +1,230 @@
+package fr.pandacube.lib.chat;
+
+import net.kyori.adventure.text.format.TextColor;
+import net.kyori.adventure.text.format.TextDecoration;
+import net.kyori.adventure.text.format.TextFormat;
+import net.kyori.adventure.text.serializer.legacy.LegacyComponentSerializer;
+import net.kyori.adventure.text.serializer.legacy.LegacyFormat;
+
+import java.util.Arrays;
+import java.util.LinkedHashMap;
+import java.util.Map;
+import java.util.stream.Collectors;
+
+/**
+ * Convenient enum to uses legacy format while keeping compatibility with modern chat format and API (Adventure, ...)
+ */
+public enum LegacyChatFormat {
+
+    /**
+     * Black (0) color format code.
+     */
+    BLACK('0'),
+    /**
+     * Dark blue (1) color format code.
+     */
+    DARK_BLUE('1'),
+    /**
+     * Dark green (2) color format code.
+     */
+    DARK_GREEN('2'),
+    /**
+     * Dark aqua (3) color format code.
+     */
+    DARK_AQUA('3'),
+    /**
+     * Dark red (4) color format code.
+     */
+    DARK_RED('4'),
+    /**
+     * Dark purple (5) color format code.
+     */
+    DARK_PURPLE('5'),
+    /**
+     * Gold (6) color format code.
+     */
+    GOLD('6'),
+    /**
+     * Gray (7) color format code.
+     */
+    GRAY('7'),
+    /**
+     * Dark gray (8) color format code.
+     */
+    DARK_GRAY('8'),
+    /**
+     * Blue (9) color format code.
+     */
+    BLUE('9'),
+    /**
+     * Green (A) color format code.
+     */
+    GREEN('a'),
+    /**
+     * Aqua (B) color format code.
+     */
+    AQUA('b'),
+    /**
+     * Red (C) color format code.
+     */
+    RED('c'),
+    /**
+     * Light purple (D) color format code.
+     */
+    LIGHT_PURPLE('d'),
+    /**
+     * Yellow (E) color format code.
+     */
+    YELLOW('e'),
+    /**
+     * White (F) color format code.
+     */
+    WHITE('f'),
+    /**
+     * Obfuscated (K) decoration format code.
+     */
+    OBFUSCATED('k'),
+    /**
+     * Bold (L) decoration format code.
+     */
+    BOLD('l'),
+    /**
+     * Strikethrough (M) decoration format code.
+     */
+    STRIKETHROUGH('m'),
+    /**
+     * Underlined (N) decoration format code.
+     */
+    UNDERLINED('n'),
+    /**
+     * Italic (O) decoration format code.
+     */
+    ITALIC('o'),
+    /**
+     * Reset (R) format code.
+     */
+    RESET('r');
+
+
+    /**
+     * The character used by Minecraft for legacy chat format.
+     */
+    public static final char COLOR_CHAR = LegacyComponentSerializer.SECTION_CHAR;
+
+    /** {@link #COLOR_CHAR} but as a String! */
+    public static final String COLOR_STR_PREFIX = Character.toString(COLOR_CHAR);
+
+    private static final Map<Character, LegacyChatFormat> BY_CHAR;
+    private static final Map<TextFormat, LegacyChatFormat> BY_FORMAT;
+    private static final Map<LegacyFormat, LegacyChatFormat> BY_LEGACY;
+
+
+    /**
+     * Gets the {@link LegacyChatFormat} from the provided chat color code.
+     * @param code the character code from [0-9A-Fa-fK-Ok-oRr].
+     * @return the {@link LegacyChatFormat} related to the provided code.
+     */
+    public static LegacyChatFormat of(char code) {
+        return BY_CHAR.get(Character.toLowerCase(code));
+    }
+
+    /**
+     * Gets the {@link LegacyChatFormat} from the provided {@link TextFormat} instance.
+     * @param format the {@link TextFormat} instance.
+     * @return the {@link LegacyChatFormat} related to the provided format.
+     */
+    public static LegacyChatFormat of(TextFormat format) {
+        LegacyChatFormat colorOrDecoration = BY_FORMAT.get(format);
+        if (colorOrDecoration != null)
+            return colorOrDecoration;
+        if (format.getClass().getSimpleName().equals("Reset")) // an internal class of legacy serializer library
+            return RESET;
+        throw new IllegalArgumentException("Unsupported format of type " + format.getClass());
+    }
+
+    /**
+     * Gets the {@link LegacyChatFormat} from the provided {@link LegacyFormat} instance.
+     * @param advLegacy the {@link LegacyFormat} instance.
+     * @return the {@link LegacyChatFormat} related to the provided format.
+     */
+    public static LegacyChatFormat of(LegacyFormat advLegacy) {
+        return BY_LEGACY.get(advLegacy);
+    }
+
+
+    /**
+     * The format code of this chat format.
+     */
+    public final char code;
+
+    /**
+     * The Adventure legacy format instance related to this chat format.
+     */
+    public final LegacyFormat advLegacyFormat;
+
+    LegacyChatFormat(char code) {
+        this.code = code;
+        advLegacyFormat = LegacyComponentSerializer.parseChar(code);
+    }
+
+    /**
+     * Gets the related {@link TextColor}, or null if it's not a color.
+     * @return the related {@link TextColor}, or null if it's not a color.
+     */
+    public TextColor getTextColor() {
+        return advLegacyFormat.color();
+    }
+
+    /**
+     * Tells if this format is a color.
+     * @return true if this format is a color, false otherwise.
+     */
+    public boolean isColor() {
+        return getTextColor() != null;
+    }
+
+    /**
+     * Gets the related {@link TextDecoration}, or null if it's not a decoration.
+     * @return the related {@link TextDecoration}, or null if it's not a decoration.
+     */
+    public TextDecoration getTextDecoration() {
+        return advLegacyFormat.decoration();
+    }
+
+    /**
+     * Tells if this format is a decoration (bold, italic, ...).
+     * @return true if this format is a decoration, false otherwise.
+     */
+    public boolean isDecoration() {
+        return getTextDecoration() != null;
+    }
+
+    /**
+     * Tells if this format is the reset.
+     * @return true if this format is the reset, false otherwise.
+     */
+    public boolean isReset() {
+        return this == RESET;
+    }
+
+    @Override
+    public String toString() {
+        return COLOR_STR_PREFIX + code;
+    }
+
+
+
+    static {
+        BY_CHAR = Arrays.stream(values()).sequential()
+                .collect(Collectors.toMap(e -> e.code, e -> e, (e1, e2) -> e1, LinkedHashMap::new));
+        BY_FORMAT = Arrays.stream(values()).sequential()
+                .filter(e -> e.isColor() || e.isDecoration())
+                .collect(Collectors.toMap(e -> {
+                    if (e.isColor())
+                        return e.getTextColor();
+                    return e.getTextDecoration();
+                }, e -> e, (e1, e2) -> e1, LinkedHashMap::new));
+        BY_LEGACY = Arrays.stream(values()).sequential()
+                .collect(Collectors.toMap(e -> e.advLegacyFormat, e -> e, (e1, e2) -> e1, LinkedHashMap::new));
+    }
+}

pandalib-cli/pom.xml

@@ -15,42 +15,36 @@
     <packaging>jar</packaging>
     
 	<repositories>
-		<repository>
-			<id>minecraft-libraries</id>
-			<name>Minecraft Libraries</name>
-			<url>https://libraries.minecraft.net</url>
-		</repository>
         <repository>
             <id>bungeecord-repo</id>
             <url>https://oss.sonatype.org/content/repositories/snapshots</url>
         </repository>
     </repositories>
 
-  <dependencies>
-      <dependency>
-          <groupId>fr.pandacube.lib</groupId>
-          <artifactId>pandalib-core</artifactId>
-          <version>${project.version}</version>
-      </dependency>
-      <dependency>
-          <groupId>fr.pandacube.lib</groupId>
-          <artifactId>pandalib-reflect</artifactId>
-          <version>${project.version}</version>
-      </dependency>
-      <dependency>
-          <groupId>fr.pandacube.lib</groupId>
-          <artifactId>pandalib-commands</artifactId>
-          <version>${project.version}</version>
-      </dependency>
-
+    <dependencies>
         <dependency>
-            <groupId>net.md-5</groupId>
-            <artifactId>bungeecord-log</artifactId>
-            <version>${bungeecord.version}</version>
+            <groupId>fr.pandacube.lib</groupId>
+            <artifactId>pandalib-core</artifactId>
+            <version>${project.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>fr.pandacube.lib</groupId>
+            <artifactId>pandalib-reflect</artifactId>
+            <version>${project.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>fr.pandacube.lib</groupId>
+            <artifactId>pandalib-commands</artifactId>
+            <version>${project.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>fr.pandacube.lib</groupId>
+            <artifactId>pandalib-config</artifactId>
+            <version>${project.version}</version>
         </dependency>
         <dependency>
             <groupId>net.md-5</groupId>
-            <artifactId>bungeecord-config</artifactId>
+            <artifactId>bungeecord-log</artifactId>
             <version>${bungeecord.version}</version>
         </dependency>
 

pandalib-cli/src/main/java/fr/pandacube/lib/cli/commands/CommandAdmin.java

@@ -18,7 +18,7 @@ import fr.pandacube.lib.chat.Chat.FormatableChat;
 import fr.pandacube.lib.chat.ChatTreeNode;
 import fr.pandacube.lib.cli.CLIApplication;
 import fr.pandacube.lib.util.log.Log;
-import net.md_5.bungee.api.chat.BaseComponent;
+import net.kyori.adventure.text.Component;
 
 import java.util.ArrayList;
 import java.util.Arrays;
@@ -192,7 +192,7 @@ public class CommandAdmin extends CLIBrigadierCommand {
 	
 	
 	
-	private BaseComponent displayCurrentNode(CommandNode<CLICommandSender> node, boolean redirectTarget, CLICommandSender sender) {
+	private Component displayCurrentNode(CommandNode<CLICommandSender> node, boolean redirectTarget, CLICommandSender sender) {
 		if (node == null)
 			throw new IllegalArgumentException("node must not be null");
 		FormatableChat d;

pandalib-commands/src/main/java/fr/pandacube/lib/commands/BadCommandUsage.java

@@ -11,27 +11,31 @@ import java.util.logging.Logger;
  */
 public class BadCommandUsage extends RuntimeException {
 
-	/** Constructs a new runtime exception with no message or cause.
+	/**
+	 * Constructs a new runtime exception with no message or cause.
 	 */
 	public BadCommandUsage() {
 		super();
 	}
 
-	/** Constructs a new runtime exception with the specified cause.
+	/**
+	 * Constructs a new runtime exception with the specified cause.
 	 * @param cause the cause.
 	 */
 	public BadCommandUsage(Throwable cause) {
 		super(cause);
 	}
 
-	/** Constructs a new runtime exception with the specified message.
+	/**
+	 * Constructs a new runtime exception with the specified message.
 	 * @param message the message.
 	 */
 	public BadCommandUsage(String message) {
 		super(message);
 	}
 
-	/** Constructs a new runtime exception with the specified message and cause.
+	/**
+	 * Constructs a new runtime exception with the specified message and cause.
 	 * @param message the message.
 	 * @param cause the cause.
 	 */

pandalib-config/pom.xml

@@ -0,0 +1,33 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <parent>
+        <artifactId>pandalib-parent</artifactId>
+        <groupId>fr.pandacube.lib</groupId>
+        <version>1.0-SNAPSHOT</version>
+        <relativePath>../pom.xml</relativePath>
+    </parent>
+    <modelVersion>4.0.0</modelVersion>
+
+    <artifactId>pandalib-config</artifactId>
+    <packaging>jar</packaging>
+
+    <repositories>
+        <repository>
+            <id>bungeecord-repo</id>
+            <url>https://oss.sonatype.org/content/repositories/snapshots</url>
+        </repository>
+    </repositories>
+
+    <dependencies>
+
+        <dependency>
+            <groupId>net.md-5</groupId>
+            <artifactId>bungeecord-config</artifactId>
+            <version>${bungeecord.version}</version>
+        </dependency>
+
+    </dependencies>
+
+</project>

pandalib-config/src/main/java/fr/pandacube/lib/config/AbstractConfig.java

@@ -1,7 +1,4 @@
-package fr.pandacube.lib.core.config;
-
-import fr.pandacube.lib.chat.ChatColorUtil;
-import fr.pandacube.lib.util.log.Log;
+package fr.pandacube.lib.config;
 
 import java.io.BufferedReader;
 import java.io.File;
@@ -56,7 +53,7 @@ public abstract class AbstractConfig {
 		while ((line = reader.readLine()) != null) {
 			String trimmedLine = line.trim();
 			
-			if (ignoreEmpty && trimmedLine.equals(""))
+			if (ignoreEmpty && trimmedLine.isEmpty())
 				continue;
 			
 			if (ignoreHashtagComment && trimmedLine.startsWith("#"))
@@ -114,25 +111,6 @@ public abstract class AbstractConfig {
 	}
 
 
-	/**
-	 * Utility method to that translate the {@code '&'} formatted string to the legacy format.
-	 * @param string the string to convert.
-	 * @return a legacy formatted string (using {@code '§'}).
-	 */
-	public static String getTranslatedColorCode(String string) {
-		return ChatColorUtil.translateAlternateColorCodes('&', string);
-	}
-
-
-	/**
-	 * Logs the message as a warning into console, prefixed with the context of this config.
-	 * @param message the message to log.
-	 */
-	protected void warning(String message) {
-		Log.warning("Error in configuration '"+configFile.getName()+"': " + message);
-	}
-
-
 	/**
 	 * The type of config.
 	 */

pandalib-config/src/main/java/fr/pandacube/lib/config/AbstractConfigManager.java

@@ -1,4 +1,4 @@
-package fr.pandacube.lib.core.config;
+package fr.pandacube.lib.config;
 
 import java.io.File;
 import java.io.IOException;

pandalib-core/pom.xml

@@ -37,6 +37,12 @@
             <version>${project.version}</version>
         </dependency>
 
+        <dependency>
+            <groupId>com.google.guava</groupId>
+            <artifactId>guava</artifactId>
+            <version>${guava.version}</version>
+        </dependency>
+
         <!-- Cron expression interpreter -->
         <dependency>
             <groupId>ch.eitchnet</groupId>

pandalib-core/src/main/java/fr/pandacube/lib/core/backup/BackupCleaner.java

@@ -1,8 +1,8 @@
 package fr.pandacube.lib.core.backup;
 
 import fr.pandacube.lib.chat.Chat;
+import fr.pandacube.lib.chat.LegacyChatFormat;
 import fr.pandacube.lib.util.log.Log;
-import net.md_5.bungee.api.ChatColor;
 
 import java.io.File;
 import java.time.LocalDateTime;
@@ -107,14 +107,14 @@ public abstract class BackupCleaner implements UnaryOperator<TreeSet<LocalDateTi
         if (files == null)
             return;
 
-        Log.info("[Backup] Cleaning up backup directory " + ChatColor.GRAY + compressDisplayName + ChatColor.RESET + "...");
+        Log.info("[Backup] Cleaning up backup directory " + LegacyChatFormat.GRAY + compressDisplayName + LegacyChatFormat.RESET + "...");
 
         TreeMap<LocalDateTime, File> datedFiles = new TreeMap<>();
 
         for (String filename : files) {
             File file = new File(archiveDir, filename);
             if (!filename.matches("\\d{8}-\\d{6}\\.zip")) {
-                Log.warning("[Backup] " + ChatColor.GRAY + compressDisplayName + ChatColor.RESET + " Invalid file in backup directory: " + filename);
+                Log.warning("[Backup] " + LegacyChatFormat.GRAY + compressDisplayName + LegacyChatFormat.RESET + " Invalid file in backup directory: " + filename);
                 continue;
             }
 
@@ -123,7 +123,7 @@ public abstract class BackupCleaner implements UnaryOperator<TreeSet<LocalDateTi
             try {
                 ldt = LocalDateTime.parse(dateTimeStr, BackupProcess.dateFileNameFormatter);
             } catch (DateTimeParseException e) {
-                Log.warning("[Backup] " + ChatColor.GRAY + compressDisplayName + ChatColor.RESET + " Unable to parse file name to a date-time: " + filename, e);
+                Log.warning("[Backup] " + LegacyChatFormat.GRAY + compressDisplayName + LegacyChatFormat.RESET + " Unable to parse file name to a date-time: " + filename, e);
                 continue;
             }
 
@@ -156,7 +156,7 @@ public abstract class BackupCleaner implements UnaryOperator<TreeSet<LocalDateTi
         if (testOnly || oneDeleted)
             Log.warning(c.getLegacyText());
 
-        Log.info("[Backup] Backup directory " + ChatColor.GRAY + compressDisplayName + ChatColor.RESET + " cleaned.");
+        Log.info("[Backup] Backup directory " + LegacyChatFormat.GRAY + compressDisplayName + LegacyChatFormat.RESET + " cleaned.");
     }
 
 

pandalib-core/src/main/java/fr/pandacube/lib/core/backup/BackupProcess.java

@@ -1,10 +1,10 @@
 package fr.pandacube.lib.core.backup;
 
 import fc.cron.CronExpression;
+import fr.pandacube.lib.chat.LegacyChatFormat;
 import fr.pandacube.lib.core.cron.CronScheduler;
 import fr.pandacube.lib.util.FileUtils;
 import fr.pandacube.lib.util.log.Log;
-import net.md_5.bungee.api.ChatColor;
 
 import java.io.File;
 import java.text.DateFormat;
@@ -209,7 +209,7 @@ public abstract class BackupProcess implements Comparable<BackupProcess>, Runnab
             File sourceDir = getSourceDir();
 
             if (!sourceDir.exists()) {
-                Log.warning("[Backup] Unable to compress " + ChatColor.GRAY + getDisplayName() + ChatColor.RESET + ": source directory " + sourceDir + " doesn't exist");
+                Log.warning("[Backup] Unable to compress " + LegacyChatFormat.GRAY + getDisplayName() + LegacyChatFormat.RESET + ": source directory " + sourceDir + " doesn't exist");
                 return;
             }
 
@@ -219,7 +219,7 @@ public abstract class BackupProcess implements Comparable<BackupProcess>, Runnab
             onBackupStart();
 
             new Thread(() -> {
-                Log.info("[Backup] Starting for " + ChatColor.GRAY + getDisplayName() + ChatColor.RESET + " ...");
+                Log.info("[Backup] Starting for " + LegacyChatFormat.GRAY + getDisplayName() + LegacyChatFormat.RESET + " ...");
 
                 compressor = new ZipCompressor(sourceDir, target, 9, filter);
 
@@ -229,7 +229,7 @@ public abstract class BackupProcess implements Comparable<BackupProcess>, Runnab
 
                     success = true;
 
-                    Log.info("[Backup] Finished for " + ChatColor.GRAY + getDisplayName() + ChatColor.RESET);
+                    Log.info("[Backup] Finished for " + LegacyChatFormat.GRAY + getDisplayName() + LegacyChatFormat.RESET);
 
                     try {
                         BackupCleaner cleaner = getBackupCleaner();
@@ -267,7 +267,7 @@ public abstract class BackupProcess implements Comparable<BackupProcess>, Runnab
      * Logs the scheduling status of this backup process.
      */
     public void displayNextSchedule() {
-        Log.info("[Backup] " + ChatColor.GRAY + getDisplayName() + ChatColor.RESET + " next backup on "
+        Log.info("[Backup] " + LegacyChatFormat.GRAY + getDisplayName() + LegacyChatFormat.RESET + " next backup on "
                 + DateFormat.getDateTimeInstance(DateFormat.LONG, DateFormat.LONG).format(new Date(getNext())));
     }
 
@@ -297,7 +297,7 @@ public abstract class BackupProcess implements Comparable<BackupProcess>, Runnab
     public void logProgress() {
         if (compressor == null)
             return;
-        Log.info("[Backup] " + ChatColor.GRAY + getDisplayName() + ChatColor.RESET + ": " + compressor.getState().getLegacyText());
+        Log.info("[Backup] " + LegacyChatFormat.GRAY + getDisplayName() + LegacyChatFormat.RESET + ": " + compressor.getState().getLegacyText());
     }
 
 

pandalib-core/src/main/java/fr/pandacube/lib/core/backup/RotatedLogsBackupProcess.java

@@ -1,8 +1,8 @@
 package fr.pandacube.lib.core.backup;
 
 import com.google.common.io.Files;
+import fr.pandacube.lib.chat.LegacyChatFormat;
 import fr.pandacube.lib.util.log.Log;
-import net.md_5.bungee.api.ChatColor;
 
 import java.io.File;
 import java.io.IOException;
@@ -53,7 +53,7 @@ public class RotatedLogsBackupProcess extends BackupProcess {
         if (!getSourceDir().isDirectory())
             return;
 
-        Log.info("[Backup] Starting for " + ChatColor.GRAY + getDisplayName() + ChatColor.RESET + " ...");
+        Log.info("[Backup] Starting for " + LegacyChatFormat.GRAY + getDisplayName() + LegacyChatFormat.RESET + " ...");
 
         try {
             // wait a little after the log message above, in case the log file rotation has to be performed.
@@ -82,9 +82,9 @@ public class RotatedLogsBackupProcess extends BackupProcess {
 
             success = true;
 
-            Log.info("[Backup] Finished for " + ChatColor.GRAY + getDisplayName() + ChatColor.RESET);
+            Log.info("[Backup] Finished for " + LegacyChatFormat.GRAY + getDisplayName() + LegacyChatFormat.RESET);
         } catch (Exception e) {
-            Log.severe("[Backup] Failed for : " + ChatColor.GRAY + getDisplayName() + ChatColor.RESET, e);
+            Log.severe("[Backup] Failed for : " + LegacyChatFormat.GRAY + getDisplayName() + LegacyChatFormat.RESET, e);
         } finally {
             onBackupEnd(success);
 

pandalib-core/src/main/java/fr/pandacube/lib/core/backup/ZipCompressor.java

@@ -5,6 +5,7 @@ import java.io.File;
 import java.io.FileOutputStream;
 import java.io.IOException;
 import java.nio.file.Files;
+import java.nio.file.NoSuchFileException;
 import java.nio.file.attribute.BasicFileAttributes;
 import java.util.ArrayList;
 import java.util.List;
@@ -117,7 +118,11 @@ public class ZipCompressor {
 			}
 			
 			for (Entry entry : entriesToCompress) {
-				entry.zip();
+				try {
+					entry.zip();
+				} catch (NoSuchFileException ignored) {
+					// file has been deleted since
+				}
 			}
 			
 			synchronized (stateLock) {

pandalib-core/src/main/resources/fr/pandacube/lib/core/mc_version/mcversion.json

@@ -67,7 +67,11 @@
     "1.20.4": 765,
     "1.20.5": 766,
     "1.20.6": 766,
-    "1.21": 767
+    "1.21": 767,
+    "1.21.1": 767,
+    "1.21.2": 768,
+    "1.21.3": 768,
+    "1.21.4": 769
   },
   "versionsOfProtocol": {
     "4": [
@@ -220,7 +224,15 @@
       "1.20.6"
     ],
     "767": [
-      "1.21"
+      "1.21",
+      "1.21.1"
+    ],
+    "768": [
+      "1.21.2",
+      "1.21.3"
+    ],
+    "769": [
+      "1.21.4"
     ]
   }
 }

pandalib-db/src/main/java/fr/pandacube/lib/db/DBConnection.java

@@ -23,7 +23,8 @@ public class DBConnection {
     public DBConnection(String host, int port, String dbname, String login, String password) {
         this("jdbc:mysql://" + host + ":" + port + "/" + dbname
                         + "?useUnicode=true"
-                        + "&useSSL=false"
+                        + "&sslMode=DISABLED"
+                        + "&allowPublicKeyRetrieval=true"
                         + "&characterEncoding=utf8"
                         + "&characterSetResults=utf8"
                         + "&character_set_server=utf8mb4"

pandalib-paper-permissions/pom.xml

@@ -16,7 +16,7 @@
     <repositories>
         <repository>
             <id>papermc</id>
-            <url>https://papermc.io/repo/repository/maven-public/</url>
+            <url>https://repo.papermc.io/repository/maven-public/</url>
         </repository>
 
         <!-- WorldEdit -->

pandalib-paper/pom.xml

@@ -16,7 +16,7 @@
     <repositories>
         <repository>
             <id>papermc</id>
-            <url>https://papermc.io/repo/repository/maven-public/</url>
+            <url>https://repo.papermc.io/repository/maven-public/</url>
         </repository>
         <repository>
             <id>fabricmc</id>
@@ -71,6 +71,12 @@
             <version>${project.version}</version>
         </dependency>
 
+        <dependency>
+            <groupId>fr.pandacube.lib</groupId>
+            <artifactId>pandalib-bungee-chat</artifactId>
+            <version>${project.version}</version>
+        </dependency>
+
         <dependency>
             <groupId>fr.pandacube.lib</groupId>
             <artifactId>pandalib-paper-permissions</artifactId>
@@ -84,11 +90,6 @@
             <artifactId>paper-api</artifactId>
             <version>${paper.version}-SNAPSHOT</version>
         </dependency>
-        <dependency>
-            <groupId>io.papermc.paper</groupId>
-            <artifactId>paper-mojangapi</artifactId>
-            <version>${paper.version}-SNAPSHOT</version>
-        </dependency>
     </dependencies>
 
     <build>

pandalib-paper/src/main/java/fr/pandacube/lib/paper/PandaLibPaper.java

@@ -5,27 +5,47 @@ import fr.pandacube.lib.paper.json.PaperJson;
 import fr.pandacube.lib.paper.modules.PerformanceAnalysisManager;
 import org.bukkit.plugin.Plugin;
 
+/**
+ * Main class for pandalib-paper.
+ */
 public class PandaLibPaper {
 	
 	private static Plugin plugin;
-	
+
+	/**
+	 * Method to call in plugin's {@link Plugin#onLoad()} method.
+	 * @param plugin the plugin instance.
+	 */
 	public static void onLoad(Plugin plugin) {
 		PandaLibPaper.plugin = plugin;
 		PaperJson.init();
 	}
 
+	/**
+	 * Method to call in plugin's {@link Plugin#onEnable()} method.
+	 */
 	public static void onEnable() {
 		PerformanceAnalysisManager.getInstance(); // initialize
 		ServerStopEvent.init();
 	}
 
 
+
+	/**
+	 * Method to call in plugin's {@link Plugin#onDisable()} method.
+	 */
 	public static void disable() {
-		PerformanceAnalysisManager.getInstance().cancelInternalBossBar();
+		PerformanceAnalysisManager.getInstance().deinit();
 	}
-	
+
+	/**
+	 * Gets the plugin instance.
+	 * @return the plugin instance provided with {@link #onLoad(Plugin)}.
+	 */
 	public static Plugin getPlugin() {
 		return plugin;
 	}
 
+	private PandaLibPaper() {}
+
 }

pandalib-paper/src/main/java/fr/pandacube/lib/paper/backup/PaperBackupConfig.java

@@ -6,14 +6,65 @@ import java.io.File;
 import java.util.ArrayList;
 import java.util.List;
 
+/**
+ * A basic class holding configuration for {@link PaperBackupManager}.
+ */
 @SuppressWarnings("CanBeFinal")
 public class PaperBackupConfig {
+
+    /**
+     * Creates a new Paper backup config.
+     */
+    public PaperBackupConfig() {}
+
+    /**
+     * Set to true to enable worlds backup.
+     * Defaults to true.
+     */
     public boolean worldBackupEnabled = true;
+
+    /**
+     * Set to true to enable the backup of the working directory.
+     * The workdir backup will already ignore the logs directory and any world folder (folder with a level.dat file in it).
+     * Defaults to true.
+     */
     public boolean workdirBackupEnabled = true;
+
+    /**
+     * Set to true to enable the backup of logs.
+     * Defaults to true.
+     */
     public boolean logsBackupEnabled = true;
+
+    /**
+     * The cron-formatted scheduling of the worlds and workdir backups.
+     * The default value is {@code "0 2 * * *"}, that is every day at 2am.
+     */
     public String scheduling = "0 2 * * *"; // cron format, here is every day at 2am
+
+    /**
+     * The backup target directory.
+     * Must be set (defaults to null).
+     */
     public File backupDirectory = null;
+
+    /**
+     * The backup cleaner for the worlds backup.
+     * Defaults to keep 1 backup every 3 month + the last 5 backups.
+     */
     public BackupCleaner worldBackupCleaner = BackupCleaner.KEEPING_1_EVERY_N_MONTH(3).merge(BackupCleaner.KEEPING_N_LAST(5));
+
+    /**
+     * The backup cleaner for the workdir backup.
+     * Defaults to keep 1 backup every 3 month + the last 5 backups.
+     */
     public BackupCleaner workdirBackupCleaner = BackupCleaner.KEEPING_1_EVERY_N_MONTH(3).merge(BackupCleaner.KEEPING_N_LAST(5));
+
+    /**
+     * The list of files or directory to ignore.
+     * Defaults to none.
+     * The workdir backup will already ignore the logs directory and any world folder (folder with a level.dat file in it).
+     */
     public List<String> workdirIgnoreList = new ArrayList<>();
+
 }

pandalib-paper/src/main/java/fr/pandacube/lib/paper/backup/PaperBackupManager.java

@@ -23,12 +23,19 @@ import java.util.Map;
 import java.util.Set;
 import java.util.concurrent.CancellationException;
 
+/**
+ * The backup manager for Paper servers.
+ */
 public class PaperBackupManager extends BackupManager implements Listener {
 
 	private final Map<String, PaperWorldProcess> compressWorlds = new HashMap<>();
 
 	PaperBackupConfig config;
-	
+
+	/**
+	 * Instantiate a new backup manager.
+	 * @param config the configuration of the backups.
+	 */
 	public PaperBackupManager(PaperBackupConfig config) {
 		super(config.backupDirectory);
 		setConfig(config);
@@ -49,13 +56,17 @@ public class PaperBackupManager extends BackupManager implements Listener {
 		super.addProcess(process);
 	}
 
+	/**
+	 * Updates the backups config
+	 * @param config the new config.
+	 */
 	public void setConfig(PaperBackupConfig config) {
 		this.config = config;
 		backupQueue.forEach(this::updateProcessConfig);
 	}
 
 
-	public void updateProcessConfig(BackupProcess process) {
+	private void updateProcessConfig(BackupProcess process) {
 		if (process instanceof PaperWorkdirProcess) {
 			process.setEnabled(config.workdirBackupEnabled);
 			process.setBackupCleaner(config.workdirBackupCleaner);
@@ -119,12 +130,12 @@ public class PaperBackupManager extends BackupManager implements Listener {
 	private final Set<String> dirtyForSave = new HashSet<>();
 
 	@EventHandler(priority = EventPriority.MONITOR)
-	public void onWorldLoad(WorldLoadEvent event) {
+	void onWorldLoad(WorldLoadEvent event) {
 		initWorldProcess(event.getWorld().getName());
 	}
 
 	@EventHandler(priority = EventPriority.MONITOR)
-	public void onWorldSave(WorldSaveEvent event) {
+	void onWorldSave(WorldSaveEvent event) {
 		if (event.getWorld().getLoadedChunks().length > 0
 				|| dirtyForSave.contains(event.getWorld().getName())) {
 			compressWorlds.get(event.getWorld().getName()).setDirtyAfterSave();
@@ -137,18 +148,18 @@ public class PaperBackupManager extends BackupManager implements Listener {
 
 
 	@EventHandler(priority = EventPriority.MONITOR)
-	public void onPlayerChangeWorldEvent(PlayerChangedWorldEvent event) {
+	void onPlayerChangeWorldEvent(PlayerChangedWorldEvent event) {
 		dirtyForSave.add(event.getFrom().getName());
 		dirtyForSave.add(event.getPlayer().getWorld().getName());
 	}
 
 	@EventHandler(priority = EventPriority.MONITOR)
-	public void onPlayerJoin(PlayerJoinEvent event) {
+	void onPlayerJoin(PlayerJoinEvent event) {
 		dirtyForSave.add(event.getPlayer().getWorld().getName());
 	}
 
 	@EventHandler(priority = EventPriority.MONITOR)
-	public void onPlayerQuit(PlayerQuitEvent event) {
+	void onPlayerQuit(PlayerQuitEvent event) {
 		dirtyForSave.add(event.getPlayer().getWorld().getName());
 	}
 

pandalib-paper/src/main/java/fr/pandacube/lib/paper/backup/PaperBackupProcess.java

@@ -10,11 +10,19 @@ import net.kyori.adventure.bossbar.BossBar.Color;
 import net.kyori.adventure.bossbar.BossBar.Overlay;
 import org.bukkit.Bukkit;
 
+/**
+ * A backup process with specific logic around Paper server.
+ */
 public abstract class PaperBackupProcess extends BackupProcess {
 
 
 	private BossBar bossBar;
-	
+
+	/**
+	 * Instantiates a new backup process.
+	 * @param bm the associated backup manager.
+	 * @param id the process identifier.
+	 */
 	protected PaperBackupProcess(PaperBackupManager bm, String id) {
 		super(bm, id);
 	}

pandalib-paper/src/main/java/fr/pandacube/lib/paper/backup/PaperWorkdirProcess.java

@@ -3,8 +3,15 @@ package fr.pandacube.lib.paper.backup;
 import java.io.File;
 import java.util.function.BiPredicate;
 
+/**
+ * A backup process with specific logic around Paper server working directory.
+ */
 public class PaperWorkdirProcess extends PaperBackupProcess {
-	
+
+	/**
+	 * Instantiates a new backup process for the paper server working directory.
+	 * @param bm the associated backup manager.
+	 */
 	protected PaperWorkdirProcess(PaperBackupManager bm) {
 		super(bm, "workdir");
 	}

pandalib-paper/src/main/java/fr/pandacube/lib/paper/backup/PaperWorldProcess.java

@@ -1,9 +1,9 @@
 package fr.pandacube.lib.paper.backup;
 
+import fr.pandacube.lib.chat.LegacyChatFormat;
 import fr.pandacube.lib.paper.scheduler.SchedulerUtil;
 import fr.pandacube.lib.paper.world.WorldUtil;
 import fr.pandacube.lib.util.log.Log;
-import net.md_5.bungee.api.ChatColor;
 import org.bukkit.Bukkit;
 import org.bukkit.World;
 
@@ -11,14 +11,22 @@ import java.io.File;
 import java.text.DateFormat;
 import java.util.Date;
 
+/**
+ * A backup process with specific logic around Paper server world.
+ */
 public class PaperWorldProcess extends PaperBackupProcess {
 	private final String worldName;
 	
-	private boolean autoSave = true; 
-	
-	protected PaperWorldProcess(PaperBackupManager bm, final String n) {
-		super(bm, "worlds/" + n);
-		worldName = n;
+	private boolean autoSave = true;
+
+	/**
+	 * Instantiates a new backup process for a world.
+	 * @param bm the associated backup manager.
+	 * @param worldName the name of the world.
+	 */
+	protected PaperWorldProcess(PaperBackupManager bm, final String worldName) {
+		super(bm, "worlds/" + worldName);
+		this.worldName = worldName;
 	}
 	
 	private World getWorld() {
@@ -62,11 +70,11 @@ public class PaperWorldProcess extends PaperBackupProcess {
 
 	public void displayNextSchedule() {
 		if (hasNextScheduled()) {
-			Log.info("[Backup] " + ChatColor.GRAY + getDisplayName() + ChatColor.RESET + " is dirty. Next backup on "
+			Log.info("[Backup] " + LegacyChatFormat.GRAY + getDisplayName() + LegacyChatFormat.RESET + " is dirty. Next backup on "
 					+ DateFormat.getDateTimeInstance(DateFormat.LONG, DateFormat.LONG).format(new Date(getNext())));
 		}
 		else {
-			Log.info("[Backup] " + ChatColor.GRAY + getDisplayName() + ChatColor.RESET + " is clean. Next backup not scheduled.");
+			Log.info("[Backup] " + LegacyChatFormat.GRAY + getDisplayName() + LegacyChatFormat.RESET + " is clean. Next backup not scheduled.");
 		}
 	}
 
@@ -80,7 +88,7 @@ public class PaperWorldProcess extends PaperBackupProcess {
 	public void setDirtyAfterSave() {
 		if (!isDirty()) { // don't set dirty if it is already
 			setDirtySinceNow();
-			Log.info("[Backup] " + ChatColor.GRAY + getDisplayName() + ChatColor.RESET + " was saved and is now dirty. Next backup on "
+			Log.info("[Backup] " + LegacyChatFormat.GRAY + getDisplayName() + LegacyChatFormat.RESET + " was saved and is now dirty. Next backup on "
 					+ DateFormat.getDateTimeInstance(DateFormat.LONG, DateFormat.LONG)
 					.format(new Date(getNext()))
 			);

pandalib-paper/src/main/java/fr/pandacube/lib/paper/commands/PaperBrigadierCommand.java

@@ -23,6 +23,8 @@ import fr.pandacube.lib.paper.reflect.wrapper.paper.commands.PluginCommandNode;
 import fr.pandacube.lib.players.standalone.AbstractOffPlayer;
 import fr.pandacube.lib.players.standalone.AbstractOnlinePlayer;
 import fr.pandacube.lib.players.standalone.AbstractPlayerManager;
+import fr.pandacube.lib.reflect.Reflect;
+import fr.pandacube.lib.reflect.ReflectClass;
 import fr.pandacube.lib.util.log.Log;
 import io.papermc.paper.command.brigadier.CommandSourceStack;
 import io.papermc.paper.plugin.lifecycle.event.types.LifecycleEvents;
@@ -37,6 +39,7 @@ import org.bukkit.event.Listener;
 import org.bukkit.plugin.Plugin;
 import org.bukkit.util.Vector;
 
+import java.lang.reflect.InvocationTargetException;
 import java.util.HashSet;
 import java.util.List;
 import java.util.Set;
@@ -54,10 +57,21 @@ public abstract class PaperBrigadierCommand extends BrigadierCommand<CommandSour
 
     private static CommandDispatcher<CommandSourceStack> vanillaPaperDispatcher = null;
 
+    /**
+     * Gets the Brigadier dispatcher provided by paper API during {@link LifecycleEvents#COMMANDS}.
+     * <p>
+     * This Dispatcher is not the vanilla one. Instead, Paper implementation wraps the vanilla one to handle proper registration
+     * of commands from plugins.
+     * @return the Brigadier dispatcher.
+     */
     public static CommandDispatcher<CommandSourceStack> getVanillaPaperDispatcher() {
         return vanillaPaperDispatcher;
     }
 
+    /**
+     * Gets the root node of the dispatcher from {@link #getVanillaPaperDispatcher()}.
+     * @return the root node, or null if {@link #getVanillaPaperDispatcher()} is also null.
+     */
     public static RootCommandNode<CommandSourceStack> getRootNode() {
         return vanillaPaperDispatcher == null ? null : vanillaPaperDispatcher.getRoot();
     }
@@ -65,6 +79,19 @@ public abstract class PaperBrigadierCommand extends BrigadierCommand<CommandSour
     private static void updateVanillaPaperDispatcher(CommandDispatcher<CommandSourceStack> newDispatcher) {
         if (vanillaPaperDispatcher == null || newDispatcher != vanillaPaperDispatcher) {
             vanillaPaperDispatcher = newDispatcher;
+
+            // vanillaPaperDispatcher.getRoot() is not the real root but a wrapped root. Trying to map the fake root with the real one to trick the Paper/Brigadier (un)wrapper
+            RootCommandNode<CommandSourceStack> wrappedRoot = vanillaPaperDispatcher.getRoot();
+            ReflectClass<?> apiMirrorRootNodeClass = Reflect.ofClassOfInstance(wrappedRoot);
+            try {
+                RootCommandNode<?> unwrappedRoot = ((CommandDispatcher<?>) apiMirrorRootNodeClass.method("getDispatcher").invoke(wrappedRoot)).getRoot();
+
+                Reflect.ofClass(CommandNode.class).field("unwrappedCached").setValue(wrappedRoot, unwrappedRoot);
+                Reflect.ofClass(CommandNode.class).field("wrappedCached").setValue(unwrappedRoot, wrappedRoot);
+
+            } catch (InvocationTargetException|IllegalAccessException|NoSuchMethodException|NoSuchFieldException e) {
+                Log.severe("Unable to trick the Paper/Brigadier unwrapper to properly handle commands redirecting to root command node.", e);
+            }
         }
     }
 
@@ -113,12 +140,15 @@ public abstract class PaperBrigadierCommand extends BrigadierCommand<CommandSour
     /**
      * The command node of this command.
      */
-    protected final LiteralCommandNode<CommandSourceStack> commandNode;
+    protected LiteralCommandNode<CommandSourceStack> commandNode;
     /**
      * The command requested aliases.
      */
     protected final String[] aliases;
 
+    /**
+     * The command description.
+     */
     protected final String description;
 
     private final RegistrationPolicy registrationPolicy;
@@ -134,11 +164,9 @@ public abstract class PaperBrigadierCommand extends BrigadierCommand<CommandSour
     public PaperBrigadierCommand(Plugin pl, RegistrationPolicy regPolicy) {
         plugin = pl;
         registrationPolicy = regPolicy;
-        commandNode = buildCommand().build();
         String[] aliasesTmp = getAliases();
         aliases = aliasesTmp == null ? new String[0] : aliasesTmp;
         description = getDescription();
-        postBuildCommand(commandNode);
         register();
         //try {
         //    PandalibPaperPermissions.addPermissionMapping("minecraft.command." + commandNode.getLiteral().toLowerCase(), getTargetPermission().toLowerCase());
@@ -160,12 +188,16 @@ public abstract class PaperBrigadierCommand extends BrigadierCommand<CommandSour
         plugin.getLifecycleManager().registerEventHandler(LifecycleEvents.COMMANDS, event -> {
             updateVanillaPaperDispatcher(event.registrar().getDispatcher());
 
+            commandNode = buildCommand().build();
+            postBuildCommand(commandNode);
+
             if (vanillaPaperDispatcher.getRoot().getChild(commandNode.getName()) != null) {
                 Log.info("Command /" + commandNode.getName() + " found in the vanilla dispatcher during initial command registration. Replacing it by force.");
                 vanillaPaperDispatcher.getRoot().getChildren().removeIf(c -> c.getName().equals(commandNode.getName()));
             }
 
             registeredAliases = new HashSet<>(event.registrar().register(commandNode, description, List.of(aliases)));
+            doPostRegistrationFixes();
 
             if (registrationPolicy == RegistrationPolicy.ALL) {
                 // enforce registration of aliases
@@ -177,40 +209,81 @@ public abstract class PaperBrigadierCommand extends BrigadierCommand<CommandSour
                 }
             }
 
-        });
 
-        Bukkit.getServer().getScheduler().runTask(plugin, () -> {
-            if (vanillaPaperDispatcher == null)
-                return;
+            Bukkit.getServer().getScheduler().runTask(plugin, () -> {
+                if (vanillaPaperDispatcher == null)
+                    return;
 
-            Set<String> forceRegistrationAgain = new HashSet<>();
-            forceRegistrationAgain.add(commandNode.getName());
-            if (registrationPolicy == RegistrationPolicy.ALL)
-                forceRegistrationAgain.addAll(List.of(aliases));
+                Set<String> forceRegistrationAgain = new HashSet<>();
+                forceRegistrationAgain.add(commandNode.getName());
+                if (registrationPolicy == RegistrationPolicy.ALL)
+                    forceRegistrationAgain.addAll(List.of(aliases));
 
-            for (String aliasToForce : forceRegistrationAgain) {
-                CommandNode<CommandSourceStack> actualNode = vanillaPaperDispatcher.getRoot().getChild(aliasToForce);
-                if (actualNode != null) {
-                    //Log.info("Forcing registration of alias /" + aliasToForce + " for command /" + commandNode.getName() + ": replacing " + getCommandIdentity(actualNode) + "?");
-                    if (PluginCommandNode.REFLECT.get().isInstance(actualNode)) {
-                        PluginCommandNode pcn = wrap(actualNode, PluginCommandNode.class);
-                        if (pcn.getPlugin().equals(plugin))
-                            return;
+                for (String aliasToForce : forceRegistrationAgain) {
+                    CommandNode<CommandSourceStack> actualNode = vanillaPaperDispatcher.getRoot().getChild(aliasToForce);
+                    if (actualNode != null) {
+                        //Log.info("Forcing registration of alias /" + aliasToForce + " for command /" + commandNode.getName() + ": replacing " + getCommandIdentity(actualNode) + "?");
+                        if (PluginCommandNode.REFLECT.get().isInstance(actualNode)) {
+                            PluginCommandNode pcn = wrap(actualNode, PluginCommandNode.class);
+                            if (pcn.getPlugin().equals(plugin))
+                                return;
+                        }
+                        else if (BukkitCommandNode.REFLECT.get().isInstance(actualNode)) {
+                            BukkitCommandNode bcn = wrap(actualNode, BukkitCommandNode.class);
+                            if (bcn.getBukkitCommand() instanceof PluginCommand pc && pc.getPlugin().equals(plugin))
+                                return;
+                        }
+                        vanillaPaperDispatcher.getRoot().getChildren().removeIf(c -> c.getName().equals(aliasToForce));
                     }
-                    else if (BukkitCommandNode.REFLECT.get().isInstance(actualNode)) {
-                        BukkitCommandNode bcn = wrap(actualNode, BukkitCommandNode.class);
-                        if (bcn.getBukkitCommand() instanceof PluginCommand pc && pc.getPlugin().equals(plugin))
-                            return;
-                    }
-                    vanillaPaperDispatcher.getRoot().getChildren().removeIf(c -> c.getName().equals(aliasToForce));
-                }
                 /*else {
                     Log.info("Forcing registration of alias /" + aliasToForce + " for command /" + commandNode.getName() + ": no command found for alias. Adding alias.");
                 }*/
-                LiteralCommandNode<CommandSourceStack> newPCN = unwrap(new PluginCommandNode(aliasToForce, plugin.getPluginMeta(), commandNode, description));
-                vanillaPaperDispatcher.getRoot().addChild(newPCN);
-            }
+                    LiteralCommandNode<CommandSourceStack> newPCN = unwrap(new PluginCommandNode(aliasToForce, plugin.getPluginMeta(), commandNode, description));
+                    vanillaPaperDispatcher.getRoot().addChild(newPCN);
+                }
+            });
+
         });
+
+    }
+
+
+
+
+    private void doPostRegistrationFixes() {
+        postRegistrationFixNode(new HashSet<>(), commandNode);
+    }
+
+    private void postRegistrationFixNode(Set<CommandNode<CommandSourceStack>> fixedNodes, CommandNode<CommandSourceStack> originalNode) {
+        if (originalNode instanceof RootCommandNode)
+            return;
+        if (fixedNodes.contains(originalNode))
+            return;
+        fixedNodes.add(originalNode);
+        if (originalNode.getRedirect() != null) {
+            try {
+                @SuppressWarnings("rawtypes")
+                ReflectClass<CommandNode> cmdNodeClass = Reflect.ofClass(CommandNode.class);
+                @SuppressWarnings("unchecked")
+                CommandNode<CommandSourceStack> unwrappedNode = (CommandNode<CommandSourceStack>) cmdNodeClass.field("unwrappedCached").getValue(originalNode);
+                if (unwrappedNode != null) {
+                    cmdNodeClass.field("modifier").setValue(unwrappedNode, cmdNodeClass.field("modifier").getValue(originalNode));
+                    cmdNodeClass.field("forks").setValue(unwrappedNode, cmdNodeClass.field("forks").getValue(originalNode));
+                }
+            } catch (IllegalAccessException | NoSuchFieldException e) {
+                throw new RuntimeException(e);
+            }
+
+            postRegistrationFixNode(fixedNodes, originalNode.getRedirect());
+        }
+        else {
+            try {
+                for (CommandNode<CommandSourceStack> child : originalNode.getChildren())
+                    postRegistrationFixNode(fixedNodes, child);
+            } catch (UnsupportedOperationException ignored) {
+                // in case getChildren is not possible (vanilla commands are wrapped by Paper API)
+            }
+        }
     }
 
 
@@ -276,6 +349,10 @@ public abstract class PaperBrigadierCommand extends BrigadierCommand<CommandSour
         }
     }
 
+    /**
+     * Gets the aliases that are actually registered in the server.
+     * @return the actually registered aliases.
+     */
     protected Set<String> getRegisteredAliases() {
         return Set.copyOf(registeredAliases);
     }
@@ -322,12 +399,15 @@ public abstract class PaperBrigadierCommand extends BrigadierCommand<CommandSour
 
 
 
+    @Override
     public boolean isConsole(CommandSourceStack wrapper) {
         return isConsole(getCommandSender(wrapper));
     }
+    @Override
     public boolean isPlayer(CommandSourceStack wrapper) {
         return isPlayer(getCommandSender(wrapper));
     }
+    @Override
     public Predicate<CommandSourceStack> hasPermission(String permission) {
         return wrapper -> getCommandSender(wrapper).hasPermission(permission);
     }

pandalib-paper/src/main/java/fr/pandacube/lib/paper/event/ServerStopEvent.java

@@ -10,28 +10,38 @@ import org.bukkit.event.server.PluginDisableEvent;
 import org.bukkit.event.server.ServerEvent;
 import org.jetbrains.annotations.NotNull;
 
+/**
+ * Fired at the beginning of the server stop process.
+ * More specifically, this event is called when the first plugin is disabling ({@link PluginDisableEvent}) while
+ * {@link Bukkit#isStopping()} returns true.
+ * <p>
+ * This event can be useful when a plugin want to execute stuff on server stop as soon as possible in the process,
+ * but not when the plugin itself is disabling (because some part of the Bukkit API is not usable at that moment).
+ */
 public class ServerStopEvent extends ServerEvent {
 
 
     private static final HandlerList handlers = new HandlerList();
 
-    @NotNull
-    @Override
-    public HandlerList getHandlers() {
-        return handlers;
-    }
-
+    /**
+     * Gets the handler list of the event.
+     * @return the handler list of the event.
+     */
     @NotNull
     public static HandlerList getHandlerList() {
         return handlers;
     }
 
-
-
-
     private static boolean hasTriggered = false;
+    private static boolean isInit = false;
 
+    /**
+     * Register the event used to detect the server stop.
+     */
     public static void init() {
+        if (isInit)
+            return;
+
         BukkitEvent.register(new Listener() {
 
             @EventHandler(priority = EventPriority.LOWEST)
@@ -45,7 +55,25 @@ public class ServerStopEvent extends ServerEvent {
             }
 
         });
+
+        isInit = true;
     }
 
 
+
+
+
+    private ServerStopEvent() {}
+
+
+    @NotNull
+    @Override
+    public HandlerList getHandlers() {
+        return handlers;
+    }
+
+
+
+
+
 }

pandalib-paper/src/main/java/fr/pandacube/lib/paper/geometry/DirectionalVector.java

@@ -63,6 +63,7 @@ public class DirectionalVector {
      * contained in the provided {@link Location}.
      * {@link Location#getYaw()} and {@link Location#getPitch()} values are automatically
      * converted to conform {@link #yaw} and {@link #pitch} specification.
+     * @param l the location.
      */
     public DirectionalVector(Location l) {
         this(
@@ -79,6 +80,7 @@ public class DirectionalVector {
 
 
     /**
+     * Creates a new {@link DirectionalVector} from a simple {@link Vector}.
      * @param v the vector representing the direction. If v.getX() and v.getZ() are 0,
      *          the yaw will be 0. This may have inconsistency if the vector is calculated
      *          from a {@link Location}'s yaw and pitch. In this case, prefer using
@@ -126,7 +128,10 @@ public class DirectionalVector {
 
     }
 
-
+    /**
+     * Gets a Vector using the internal X, Y and Z values, that is a simple directional 3D vector.
+     * @return this vector as a simple 3D {@link Vector}.
+     */
     public Vector toVector() {
         return new Vector(x, y, z);
     }
@@ -135,7 +140,8 @@ public class DirectionalVector {
     /**
      * Set the yaw and the pitch of the provided {@link Location}
      * with the values inside the current {@link DirectionalVector}
-     * after conversion of these values
+     * after conversion of these values.
+     * @param l the location.
      */
     public void putIntoLocation(Location l) {
         /*              std   : -PI/2         : <0 ? +2PI : MC
@@ -148,7 +154,10 @@ public class DirectionalVector {
         l.setPitch((float) Math.toDegrees(-pitch));
     }
 
-
+    /**
+     * Gets the vector pointing to the opposite direction.
+     * @return the opposite vector.
+     */
     public DirectionalVector getOpposite() {
         return new DirectionalVector(
                 -x,
@@ -163,6 +172,7 @@ public class DirectionalVector {
      * If the current direction is the player face direction,
      * this method return the direction of the back of the head.
      * This is an alias of {@link #getOpposite()}
+     * @return the opposite of this vector.
      */
     public DirectionalVector getBackDirection() {
         return getOpposite();
@@ -171,6 +181,7 @@ public class DirectionalVector {
     /**
      * If the current direction is the player face direction,
      * this method return the direction of the bottom of the head.
+     * @return the vector pointing on the bottom, as if this vector was the front orientation of a player head.
      */
     public DirectionalVector getBottomDirection() {
         return new DirectionalVector(
@@ -182,6 +193,7 @@ public class DirectionalVector {
     /**
      * If the current direction is the player face direction,
      * this method return the direction of the top of the head.
+     * @return the vector pointing on the top, as if this vector was the front orientation of a player head.
      */
     public DirectionalVector getTopDirection() {
         return new DirectionalVector(
@@ -194,6 +206,7 @@ public class DirectionalVector {
     /**
      * If the current direction is the player face direction,
      * this method return the direction of the left of the head.
+     * @return the vector pointing on the left, as if this vector was the front orientation of a player head.
      */
     public DirectionalVector getLeftDirection() {
         return new DirectionalVector(
@@ -206,6 +219,7 @@ public class DirectionalVector {
     /**
      * If the current direction is the player face direction,
      * this method return the direction of the right of the head.
+     * @return the vector pointing on the right, as if this vector was the front orientation of a player head.
      */
     public DirectionalVector getRightDirection() {
         return new DirectionalVector(

pandalib-paper/src/main/java/fr/pandacube/lib/paper/geometry/GeometryUtil.java

@@ -2,24 +2,29 @@ package fr.pandacube.lib.paper.geometry;
 
 import org.bukkit.Location;
 import org.bukkit.entity.Player;
+import org.bukkit.util.BoundingBox;
+import org.bukkit.util.RayTraceResult;
 import org.bukkit.util.Vector;
 
+/**
+ * Utility class related to geometry and Minecraft.
+ */
 public class GeometryUtil {
-	
+
 	/**
 	 * Value equal to <code>{@link Math#PI}</code>.
 	 */
-	public static final double PI   = Math.PI;
-	
+	static final double PI   = Math.PI;
+
 	/**
 	 * Value equal to <code>{@link Math#PI} / 2</code>.
 	 */
-	public static final double PId2 = PI/2;
-	
+	static final double PId2 = PI/2;
+
 	/**
 	 * Value equal to <code>{@link Math#PI} * 2</code>.
 	 */
-	public static final double PIx2 = PI*2;
+	static final double PIx2 = PI*2;
 	
 	
 	
@@ -55,9 +60,21 @@ public class GeometryUtil {
 	 * Value provided by net.minecraft.world.entity.player.Player#getStandingEyeHeight
 	 */
 	public static final double PLAYER_EYE_HEIGHT_SNEAK = 1.27;
+	/**
+	 * The size of a skin pixel.
+	 */
 	public static final double PLAYER_SKIN_PIXEL_SIZE = PLAYER_SKIN_HEIGHT / 32;
+	/**
+	 * The height of the center of rotation of the head, that is the distance between neck and the player's foot.
+	 */
 	public static final double PLAYER_HEAD_ROTATION_HEIGHT = PLAYER_SKIN_PIXEL_SIZE * 24;
+	/**
+	 * The height of the center of rotation of the head, that is the distance between neck and the player's foot, but when the player is sneaking.
+	 */
 	public static final double PLAYER_HEAD_ROTATION_HEIGHT_SNEAK = PLAYER_HEAD_ROTATION_HEIGHT - (PLAYER_SKIN_HEIGHT - PLAYER_SKIN_HEIGHT_SNEAK);
+	/**
+	 * The size of the first layer of the players head.
+	 */
 	public static final double PLAYER_HEAD_SIZE = PLAYER_SKIN_PIXEL_SIZE * 8;
 	
 	
@@ -67,7 +84,6 @@ public class GeometryUtil {
 	
 	
 	
-	
 
 	
 	
@@ -76,7 +92,7 @@ public class GeometryUtil {
 	/**
 	 * Get the {@link Location}s of the 8 vertex of the player head<br/>
 	 * This method only work if the player is standing up
-	 * (not dead, not gliding, not sleeping).
+	 * (not dead, not gliding, not sleeping, not swimming).
 	 * @param playerLocation the location of the player, generally provided by {@link Player#getLocation()}
 	 * @param isSneaking if the player is sneaking. Generally {@link Player#isSneaking()}
 	 * @return an array of 8 {@link Location}s with x, y, and z values filled (yaw and pitch are ignored).
@@ -129,27 +145,22 @@ public class GeometryUtil {
 	/**
 	 * Check if the path from <i>start</i> location to <i>end</i> pass through
 	 * the axis aligned bounding box defined by <i>min</i> and <i>max</i>.
+	 * @param start the start of the path.
+	 * @param end the end of the path.
+	 * @param min the min of the bounding box.
+	 * @param max the max of the bounding box.
+	 * @return true if the path intersects the bounding box.
+	 * @deprecated use {@link BoundingBox#rayTrace(Vector, Vector, double)} instead.
 	 */
+	@Deprecated
     public static boolean hasIntersection(Vector start, Vector end, Vector min, Vector max) {
-        final double epsilon = 0.0001f;
- 
-        Vector d = end.clone().subtract(start).multiply(0.5);
-        Vector e = max.clone().subtract(min).multiply(0.5);
-        Vector c = start.clone().add(d).subtract(min.clone().add(max).multiply(0.5));
-        Vector ad = d.clone();
-        ad.setX(Math.abs(ad.getX()));
-        ad.setY(Math.abs(ad.getY()));
-        ad.setZ(Math.abs(ad.getZ()));
-
-        return !(
-				Math.abs(c.getX()) > e.getX() + ad.getX()
-				|| Math.abs(c.getY()) > e.getY() + ad.getY()
-				|| Math.abs(c.getZ()) > e.getX() + ad.getZ()
-				|| Math.abs(d.getY() * c.getZ() - d.getZ() * c.getY()) > e.getY() * ad.getZ() + e.getZ() * ad.getY() + epsilon
-				|| Math.abs(d.getZ() * c.getX() - d.getX() * c.getZ()) > e.getZ() * ad.getX() + e.getX() * ad.getZ() + epsilon
-				|| Math.abs(d.getX() * c.getY() - d.getY() * c.getX()) > e.getX() * ad.getY() + e.getY() * ad.getX() + epsilon
-		);
+        RayTraceResult res = BoundingBox.of(min, max).rayTrace(start, end.clone().subtract(start), end.distance(start));
+		return res != null;
     }
 
 
+
+	private GeometryUtil() {}
+
+
 }

pandalib-paper/src/main/java/fr/pandacube/lib/paper/geometry/blocks/AABBBlock.java

@@ -2,11 +2,10 @@ package fr.pandacube.lib.paper.geometry.blocks;
 
 import fr.pandacube.lib.util.RandomUtil;
 import org.bukkit.Location;
-import org.bukkit.World;
-import org.bukkit.block.Block;
 import org.bukkit.util.BlockVector;
 import org.bukkit.util.BoundingBox;
 import org.bukkit.util.Vector;
+import org.jetbrains.annotations.NotNull;
 
 import java.util.Iterator;
 
@@ -30,10 +29,19 @@ public class AABBBlock implements BlockSet, Cloneable {
 		volume = original.volume;
 	}
 
+	/**
+	 * Construct a {@link AABBBlock} based on the two provided Bukkit's {@link Vector}.
+	 * @param p1 the first vector.
+	 * @param p2 the second vector.
+	 */
 	public AABBBlock(Vector p1, Vector p2) {
 		this(p1.getBlockX(), p1.getBlockY(), p1.getBlockZ(), p2.getBlockX(), p2.getBlockY(), p2.getBlockZ());
 	}
 
+	/**
+	 * Construct a {@link AABBBlock} based on the provided Bukkit's {@link BoundingBox}.
+	 * @param bb the bounding box.
+	 */
 	public AABBBlock(BoundingBox bb) {
 		pos1 = bb.getMin();
 		pos2 = bb.getMax();
@@ -41,15 +49,35 @@ public class AABBBlock implements BlockSet, Cloneable {
 		volume = (int) bb.getVolume();
 		bukkitBoundingBox = bb;
 	}
-	
+
+	/**
+	 * Construct a {@link AABBBlock} based on the two provided Bukkit's {@link Location}.
+	 * The worlds defined in the provided locations are ignored.
+	 * @param l1 the first location.
+	 * @param l2 the second location.
+	 */
 	public AABBBlock(Location l1, Location l2) {
 		this(l1.getBlockX(), l1.getBlockY(), l1.getBlockZ(), l2.getBlockX(), l2.getBlockY(), l2.getBlockZ());
 	}
-	
+
+	/**
+	 * Construct a {@link AABBBlock} based on the two provided Bukkit's {@link BlockVector}.
+	 * @param l1 the first block vector.
+	 * @param l2 the second block vector.
+	 */
 	public AABBBlock(BlockVector l1, BlockVector l2) {
 		this(l1.getBlockX(), l1.getBlockY(), l1.getBlockZ(), l2.getBlockX(), l2.getBlockY(), l2.getBlockZ());
 	}
-	
+
+	/**
+	 * Construct a {@link AABBBlock} based on the individual coordinates of the 2 vectors.
+	 * @param p1x the x value of the first vector.
+	 * @param p1y the y value of the first vector.
+	 * @param p1z the z value of the first vector.
+	 * @param p2x the x value of the second vector.
+	 * @param p2y the y value of the second vector.
+	 * @param p2z the z value of the second vector.
+	 */
 	public AABBBlock(int p1x, int p1y, int p1z, int p2x, int p2y, int p2z) {
 		/*
 		 * Prends les points extérieurs permettant de former un bounding box englobant
@@ -74,22 +102,45 @@ public class AABBBlock implements BlockSet, Cloneable {
 		return this;
 	}
 
+	/**
+	 * Gets the value of the "minimum" {@link Vector}, that is the vector with the lowest coordinates that is inside this bounding box.
+	 * @return the minimum vector.
+	 */
 	public Vector getMin() {
 		return pos1.clone();
 	}
 
+	/**
+	 * Gets the value of the "maximum" {@link Vector}, that is the vector with the highest coordinates that is inside this bounding box.
+	 * @return the maximum vector.
+	 */
 	public Vector getMax() {
 		return pos2.clone();
 	}
 
+	/**
+	 * Gets the {@link BlockVector} with the lowest coordinates in this bounding box.
+	 * @return the minimum block vector.
+	 */
 	public BlockVector getMinBlock() {
 		return pos1.toBlockVector();
 	}
 
+	/**
+	 * Gets the {@link BlockVector} with the highest coordinates in this bounding box.
+	 * @return the maximum block vector.
+	 */
 	public BlockVector getMaxBlock() {
 		return pos2.clone().add(new Vector(-1, -1, -1)).toBlockVector();
 	}
 
+	/**
+	 * Gets a new {@link AABBBlock} with its coordinates shifted by the provided amount.
+	 * @param x the x shift.
+	 * @param y the y shift.
+	 * @param z the z shift.
+	 * @return a shifted bounding box.
+	 */
 	public AABBBlock shift(int x, int y, int z) {
 		return new AABBBlock(this, x, y, z);
 	}
@@ -101,7 +152,6 @@ public class AABBBlock implements BlockSet, Cloneable {
 	}
 
 
-	
 	public boolean overlaps(BoundingBox bb) {
 		return asBukkitBoundingBox().overlaps(bb);
 	}
@@ -109,15 +159,23 @@ public class AABBBlock implements BlockSet, Cloneable {
 	public boolean isInside(Vector v) {
 		return asBukkitBoundingBox().contains(v);
 	}
-	
+
+	/**
+	 * Gets the coordinate of the center of this bounding box.
+	 * @return the center of this bounding box.
+	 */
 	public Vector getCenter() {
 		return center.clone();
 	}
-	
+
 	public long getVolume() {
 		return volume;
 	}
-	
+
+	/**
+	 * Gets the Bukkit equivalent of this bounding box.
+	 * @return a {@link BoundingBox} corresponding to this {@link AABBBlock}.
+	 */
 	public BoundingBox asBukkitBoundingBox() {
 		if (bukkitBoundingBox == null) {
 			bukkitBoundingBox = new BoundingBox(pos1.getX(), pos1.getY(), pos1.getZ(),
@@ -134,7 +192,7 @@ public class AABBBlock implements BlockSet, Cloneable {
 	}
 	
 	@Override
-	public Iterator<BlockVector> iterator() {
+	public @NotNull Iterator<BlockVector> iterator() {
 		return new Iterator<>() {
 			private int x = pos1.getBlockX(),
 					y = pos1.getBlockY(),
@@ -162,22 +220,6 @@ public class AABBBlock implements BlockSet, Cloneable {
 			}
 		};
 	}
-	
-	
-	public Iterable<Block> asBlockIterable(World w) {
-		return () -> new Iterator<>() {
-			final Iterator<BlockVector> nested = AABBBlock.this.iterator();
-			@Override
-			public boolean hasNext() {
-				return nested.hasNext();
-			}
-			@Override
-			public Block next() {
-				BlockVector bv = nested.next();
-				return w.getBlockAt(bv.getBlockX(), bv.getBlockY(), bv.getBlockZ());
-			}
-		};
-	}
 
 
 	@Override

pandalib-paper/src/main/java/fr/pandacube/lib/paper/geometry/blocks/AABBBlockGroup.java

@@ -12,19 +12,33 @@ import java.util.Collection;
 import java.util.Iterator;
 import java.util.List;
 
+/**
+ * A group of {@link AABBBlock}.
+ */
 public class AABBBlockGroup implements BlockSet {
-	
+
+	/**
+	 * The list of {@link AABBBlock} contained in this group. This list is unmodifiable.
+	 */
 	public final List<AABBBlock> subAABB;
 
 	private final AABBBlock englobingAABB;
 
+	/**
+	 * Creates a new {@link AABBBlockGroup}.
+	 * @param in the list of {@link AABBBlock} that will be contained in this group.
+	 */
 	public AABBBlockGroup(Collection<AABBBlock> in) {
 		if (in.isEmpty())
 			throw new IllegalArgumentException("Provided collection must not be empty.");
 		subAABB = List.copyOf(in);
 		englobingAABB = initEnglobingAABB();
 	}
-	
+
+	/**
+	 * Creates a new {@link AABBBlockGroup}.
+	 * @param in an array of {@link AABBBlock} that will be contained in this group.
+	 */
 	public AABBBlockGroup(AABBBlock... in) {
 		this(Arrays.asList(in));
 	}

pandalib-paper/src/main/java/fr/pandacube/lib/paper/geometry/blocks/BlockSet.java

@@ -1,23 +1,58 @@
 package fr.pandacube.lib.paper.geometry.blocks;
 
 import org.bukkit.Location;
+import org.bukkit.World;
 import org.bukkit.block.Block;
 import org.bukkit.entity.Entity;
 import org.bukkit.util.BlockVector;
 import org.bukkit.util.BoundingBox;
 import org.bukkit.util.Vector;
 
+import java.util.Iterator;
+
+/**
+ * Represents a set of blocks in a world.
+ */
 public interface BlockSet extends Iterable<BlockVector> {
 
+    /**
+     * Gets a random coordinate that is inside this block set.
+     * @return a random coordinate inside this block set.
+     */
     Vector getRandomPosition();
+
+    /**
+     * Gets the volume, in blocks (or cubic meters), of this block set.
+     * @return the volume of this block set.
+     */
     long getVolume();
+
+    /**
+     * Gets the englobing bounding box if this block set.
+     * @return the englobing bounding box if this block set.
+     */
     AABBBlock getEnglobingAABB();
 
 
+    /**
+     * Tells if this block set overlaps the provided bounding box.
+     * @param bb the provided bounding box
+     * @return true if its overlaps, false otherwise.
+     */
     boolean overlaps(BoundingBox bb);
+    /**
+     * Tells if this block set overlaps the bounding box of the provided entity.
+     * @param e the provided entity.
+     * @return true if its overlaps, false otherwise.
+     */
     default boolean overlaps(Entity e) {
         return overlaps(e.getBoundingBox());
     }
+    /**
+     * Tells if this block set overlaps the provided one. that is there is at least one block in common.
+     * @param bs the provided block set.
+     * @return true if its overlaps, false otherwise.
+     */
     default boolean overlaps(BlockSet bs) {
         if (this instanceof AABBBlock b1) {
             if (bs instanceof AABBBlock b2)
@@ -37,20 +72,78 @@ public interface BlockSet extends Iterable<BlockVector> {
     }
 
 
+    /**
+     * Tells if the provided vector is inside this bounding box.
+     * @param v the vector.
+     * @return true if its inside, false otherwise.
+     */
     boolean isInside(Vector v);
+
+    /**
+     * Tells if the provided location is inside this bounding box.
+     * The world of the location is ignored.
+     * @param l the location.
+     * @return true if its inside, false otherwise.
+     */
     default boolean isInside(Location l) {
         return isInside(l.toVector());
     }
+
+    /**
+     * Tells if the provided block is inside this bounding box.
+     * The world of the block is ignored.
+     * @param b the block.
+     * @return true if its inside, false otherwise.
+     */
     default boolean isInside(Block b) {
         return isInside(b.getLocation().add(.5, .5, .5));
     }
-    default boolean isInside(Entity p) {
-        return isInside(p.getLocation());
+
+    /**
+     * Tells if the provided entity is inside this bounding box.
+     * It calls {@link #isInside(Location)} using the returned value of {@link Entity#getLocation()}.
+     * The world of the entity is ignored.
+     * @param e the entity.
+     * @return true if its inside, false otherwise.
+     */
+    default boolean isInside(Entity e) {
+        return isInside(e.getLocation());
     }
 
 
 
 
+
+    /**
+     * Gets an iterator iterating through all the blocks of this block set.
+     * @param w the world of the blocks.
+     * @return a new iterator.
+     */
+    default Iterable<Block> asBlockIterable(World w) {
+        return () -> new Iterator<>() {
+            final Iterator<BlockVector> nested = BlockSet.this.iterator();
+            @Override
+            public boolean hasNext() {
+                return nested.hasNext();
+            }
+            @Override
+            public Block next() {
+                BlockVector bv = nested.next();
+                return w.getBlockAt(bv.getBlockX(), bv.getBlockY(), bv.getBlockZ());
+            }
+        };
+    }
+
+
+
+    /**
+     * Tests the two block set overlap each other.
+     * This method works on any implementation of this interface, but they should override the
+     * {@link #overlaps(BlockSet)} method to provide a more optimized code.
+     * @param bs1 the first block set.
+     * @param bs2 the second block set.
+     * @return true if the two block set overlap, false otherwise.
+     */
     static boolean overlap(BlockSet bs1, BlockSet bs2) {
         if (!bs1.getEnglobingAABB().overlaps(bs2.getEnglobingAABB()))
             return false;

pandalib-paper/src/main/java/fr/pandacube/lib/paper/gui/GUIHotBar.java

@@ -37,13 +37,21 @@ public class GUIHotBar implements Listener {
 	private final int defaultSlot;
 	
 	private final List<Player> currentPlayers = new ArrayList<>();
-	
+
+	/**
+	 * Setup a new gui hot  bar. You should not instantiate more than one hot bar.
+	 * @param defaultSlot the default slot (currently held item) when the player joins the hot bar.
+	 */
 	public GUIHotBar(int defaultSlot) {
 		this.defaultSlot = Math.max(0, Math.min(8, defaultSlot));
 		
 		BukkitEvent.register(this);
 	}
 
+	/**
+	 * Disables this hot bar.
+	 * @param clearPlayerMenuItems if the items of this hot bar should be removed from the players inventories.
+	 */
 	public void disable(boolean clearPlayerMenuItems) {
 		removeAllPlayers(clearPlayerMenuItems);
 
@@ -53,9 +61,10 @@ public class GUIHotBar implements Listener {
 	/**
 	 * Add the item to this hot bar menu. if there is already players hooked to this hot bar, the item will be directly added to
 	 * their inventories.
-	 * @param i the item stack
+	 * @param i the item stack.
 	 * @param setter code executed to put the item in the inventory. Additionally, check for permission before doing the addition.
 	 * @param run the Runnable to run when the user right-click on the item in the hot bar.
+	 * @return itself for daisy-chaining.
 	 */
 	public GUIHotBar addItem(ItemStack i, BiConsumer<PlayerInventory, ItemStack> setter, Consumer<Player> run) {
 		itemsAndSetters.put(i, setter);
@@ -69,8 +78,9 @@ public class GUIHotBar implements Listener {
 	
 	/**
 	 * Add the hot bar elements to this player, or update them if applicable.
-	 * 
+	 * <br>
 	 * The player is automatically removed when they quit. You can remove it before by calling {@link #removePlayer(Player, boolean)}.
+	 * @param p the player to add.
 	 */
 	public void addPlayer(Player p) {
 		if (!currentPlayers.contains(p))
@@ -85,6 +95,7 @@ public class GUIHotBar implements Listener {
 	
 	/**
 	 * Detach this player from this hot bar manager and removes the managed items from the players inventory.
+	 * @param p the player to remove.
 	 */
 	public void removePlayer(Player p) {
 		removePlayer(p, true);
@@ -92,6 +103,8 @@ public class GUIHotBar implements Listener {
 
 	/**
 	 * Detach this player from this hot bar manager and optionally removes the managed items from the players inventory.
+	 * @param p the player to remove.
+	 * @param clearMenuItems if the items from this hot bar should be removed from the player inventory.
 	 */
 	public void removePlayer(Player p, boolean clearMenuItems) {
 		if (!currentPlayers.contains(p))
@@ -106,18 +119,28 @@ public class GUIHotBar implements Listener {
 		currentPlayers.remove(p);
 
 	}
-	
-	
+
+	/**
+	 * Tells if the provided player is attached to this hot bar.
+	 * @param p the player to check.
+	 * @return true if the player is attached, false otherwise.
+	 */
 	public boolean containsPlayer(Player p) {
 		return currentPlayers.contains(p);
 	}
-	
-	
-	
+
+
+	/**
+	 * Detach all players from this hot bar.
+	 */
 	public void removeAllPlayers() {
 		removeAllPlayers(true);
 	}
 
+	/**
+	 * Detach all players from this hot bar.
+	 * @param clearMenuItems if the items from this hot bar should be removed from the player inventory.
+	 */
 	public void removeAllPlayers(boolean clearMenuItems) {
 		for (Player p : new ArrayList<>(currentPlayers))
 			removePlayer(p, clearMenuItems);
@@ -127,7 +150,7 @@ public class GUIHotBar implements Listener {
 	
 	
 	
-	public void addItemToPlayer(Player p, ItemStack is) {
+	private void addItemToPlayer(Player p, ItemStack is) {
 		if (!itemsAndSetters.containsKey(is))
 			throw new IllegalArgumentException("The provided ItemStack is not registered in this GUIHotBar");
 		if (!currentPlayers.contains(p))
@@ -135,7 +158,7 @@ public class GUIHotBar implements Listener {
 		itemsAndSetters.get(is).accept(p.getInventory(), is.clone());
 	}
 	
-	public void removeItemFromPlayer(Player p, ItemStack is) {
+	private void removeItemFromPlayer(Player p, ItemStack is) {
 		p.getInventory().remove(is);
 	}
 	
@@ -144,7 +167,7 @@ public class GUIHotBar implements Listener {
 	
 
 	@EventHandler
-	public void onPlayerDropItem(PlayerDropItemEvent event) {
+	void onPlayerDropItem(PlayerDropItemEvent event) {
 		if (!currentPlayers.contains(event.getPlayer()))
 			return;
 		
@@ -159,7 +182,7 @@ public class GUIHotBar implements Listener {
 	
 	
 	@EventHandler
-	public void onPlayerInteract(PlayerInteractEvent event) {
+	void onPlayerInteract(PlayerInteractEvent event) {
 		if (!currentPlayers.contains(event.getPlayer()))
 			return;
 		
@@ -188,7 +211,7 @@ public class GUIHotBar implements Listener {
 	
 	
 	@EventHandler
-	public void onInventoryClick(InventoryClickEvent event) {
+	void onInventoryClick(InventoryClickEvent event) {
 		if (event.getClickedInventory() == null || !(event.getClickedInventory() instanceof PlayerInventory inv))
 			return;
 
@@ -213,20 +236,20 @@ public class GUIHotBar implements Listener {
 
 	
 	@EventHandler
-	public void onPlayerQuit(PlayerQuitEvent event) {
+	void onPlayerQuit(PlayerQuitEvent event) {
 		removePlayer(event.getPlayer());
 	}
 	
 	
 	@EventHandler
-	public void onPlayerDeath(PlayerDeathEvent event) {
+	void onPlayerDeath(PlayerDeathEvent event) {
 		if (!currentPlayers.contains(event.getEntity()))
 			return;
 		event.getDrops().removeAll(itemsAndSetters.keySet());
 	}
 	
 	@EventHandler
-	public void onPlayerRespawn(PlayerRespawnEvent event) {
+	void onPlayerRespawn(PlayerRespawnEvent event) {
 		if (!currentPlayers.contains(event.getPlayer()))
 			return;
 

pandalib-paper/src/main/java/fr/pandacube/lib/paper/gui/GUIInventory.java

@@ -38,7 +38,7 @@ public class GUIInventory implements Listener {
 		if (title == null)
 			inv = Bukkit.createInventory(null, nbLines * 9);
 		else
-			inv = Bukkit.createInventory(null, nbLines * 9, title.getAdv());
+			inv = Bukkit.createInventory(null, nbLines * 9, title.get());
 
 		setCloseEvent(closeEventAction);
 
@@ -49,7 +49,11 @@ public class GUIInventory implements Listener {
 		Bukkit.getPluginManager().registerEvents(this, PandaLibPaper.getPlugin());
 
 	}
-	
+
+	/**
+	 * Sets the action when the player closes the inventory window.
+	 * @param closeEventAction the action to run.
+	 */
 	protected void setCloseEvent(Consumer<InventoryCloseEvent> closeEventAction) {
 		onCloseEvent = closeEventAction;
 	}
@@ -188,13 +192,13 @@ public class GUIInventory implements Listener {
 			onCloseEvent.accept(event);
 		isOpened = false;
 	}
-	
-	
 
-	
 
-	
-	
+	/**
+	 * Tells the number of inventory line needed to show the provided number of slot.
+	 * @param nb the number of slot.
+	 * @return the number of line.
+	 */
 	public static int nbLineForNbElements(int nb) {
 		return nb / 9 + ((nb % 9 == 0) ? 0 : 1);
 	}

pandalib-paper/src/main/java/fr/pandacube/lib/paper/inventory/DummyPlayerInventory.java

@@ -0,0 +1,191 @@
+package fr.pandacube.lib.paper.inventory;
+
+import com.google.common.base.Preconditions;
+import org.bukkit.Material;
+import org.bukkit.entity.HumanEntity;
+import org.bukkit.inventory.EquipmentSlot;
+import org.bukkit.inventory.Inventory;
+import org.bukkit.inventory.ItemStack;
+import org.bukkit.inventory.PlayerInventory;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+import java.util.Arrays;
+import java.util.Objects;
+
+/**
+ * Dummy implementation of a player inventory.
+ */
+public class DummyPlayerInventory extends InventoryWrapper implements PlayerInventory {
+
+    private int heldItemSlot;
+
+    /**
+     * Creates a dummy player inventory.
+     * @param base the inventory itself.
+     * @param heldItemSlot the currently held item slot, from 0 to 8.
+     */
+    public DummyPlayerInventory(Inventory base, int heldItemSlot) {
+        super(base);
+        if (base.getSize() < 41)
+            throw new IllegalArgumentException("base inventory should have a size of 41 (" + base.getSize() + " given).");
+        if (heldItemSlot < 0 || heldItemSlot > 8)
+            throw new IllegalArgumentException("heldItemSlot should be between 0 and 8 inclusive.");
+        this.heldItemSlot = heldItemSlot;
+    }
+
+    @Override
+    public @Nullable ItemStack @NotNull [] getStorageContents() {
+        return Arrays.copyOfRange(getContents(), 0, 36);
+    }
+
+    @Override
+    public @Nullable ItemStack @NotNull [] getArmorContents() {
+        return Arrays.copyOfRange(getContents(), 36, 40);
+    }
+
+    @Override
+    public void setArmorContents(@Nullable ItemStack[] items) {
+        this.setSlots(items, 36, 4);
+    }
+
+    @Override
+    public @Nullable ItemStack @NotNull [] getExtraContents() {
+        return Arrays.copyOfRange(getContents(), 40, getSize());
+    }
+
+    @Override
+    public void setExtraContents(@Nullable ItemStack[] items) {
+        this.setSlots(items, 40, getSize() - 40);
+    }
+
+    private void setSlots(ItemStack[] items, int baseSlot, int length) {
+        if (items == null) {
+            items = new ItemStack[length];
+        }
+        Preconditions.checkArgument(items.length <= length, "items.length must be < %s", length);
+
+        for (int i = 0; i < length; i++) {
+            if (i >= items.length) {
+                this.setItem(baseSlot + i, null);
+            } else {
+                this.setItem(baseSlot + i, items[i]);
+            }
+        }
+    }
+
+    @Override
+    public ItemStack getHelmet() {
+        return getItem(39);
+    }
+
+    @Override
+    public void setHelmet(@Nullable ItemStack helmet) {
+        setItem(39, helmet);
+    }
+
+    @Override
+    public ItemStack getChestplate() {
+        return getItem(38);
+    }
+
+    @Override
+    public void setChestplate(@Nullable ItemStack chestplate) {
+        setItem(38, chestplate);
+    }
+
+    @Override
+    public ItemStack getLeggings() {
+        return getItem(37);
+    }
+
+    @Override
+    public void setLeggings(@Nullable ItemStack leggings) {
+        setItem(37, leggings);
+    }
+
+    @Override
+    public ItemStack getBoots() {
+        return getItem(36);
+    }
+
+    @Override
+    public void setBoots(@Nullable ItemStack boots) {
+        setItem(36, boots);
+    }
+
+    @Override
+    public void setItem(EquipmentSlot slot, ItemStack item) {
+        Preconditions.checkArgument(slot != null, "slot must not be null");
+
+        switch (slot) {
+            case HAND -> this.setItemInMainHand(item);
+            case OFF_HAND -> this.setItemInOffHand(item);
+            case FEET -> this.setBoots(item);
+            case LEGS -> this.setLeggings(item);
+            case CHEST -> this.setChestplate(item);
+            case HEAD -> this.setHelmet(item);
+            default -> throw new IllegalArgumentException("Not implemented. This is a bug");
+        }
+    }
+
+    @Override
+    public @NotNull ItemStack getItem(@NotNull EquipmentSlot slot) {
+        return switch (slot) {
+            case HAND -> this.getItemInMainHand();
+            case OFF_HAND -> this.getItemInOffHand();
+            case FEET -> Objects.requireNonNullElseGet(this.getBoots(), () -> new ItemStack(Material.AIR));
+            case LEGS -> Objects.requireNonNullElseGet(this.getLeggings(), () -> new ItemStack(Material.AIR));
+            case CHEST -> Objects.requireNonNullElseGet(this.getChestplate(), () -> new ItemStack(Material.AIR));
+            case HEAD -> Objects.requireNonNullElseGet(this.getHelmet(), () -> new ItemStack(Material.AIR));
+            case BODY -> new ItemStack(Material.AIR); // for horses/wolves armor
+        };
+    }
+
+    @Override
+    public @NotNull ItemStack getItemInMainHand() {
+        return Objects.requireNonNullElse(getItem(heldItemSlot), new ItemStack(Material.AIR));
+    }
+
+    @Override
+    public void setItemInMainHand(@Nullable ItemStack item) {
+        setItem(heldItemSlot, item);
+    }
+
+    @Override
+    public @NotNull ItemStack getItemInOffHand() {
+        return Objects.requireNonNullElse(getItem(40), new ItemStack(Material.AIR));
+    }
+
+    @Override
+    public void setItemInOffHand(@Nullable ItemStack item) {
+        setItem(40, item);
+    }
+
+    @Override
+    public @NotNull ItemStack getItemInHand() {
+        return getItemInMainHand();
+    }
+
+    @Override
+    public void setItemInHand(@Nullable ItemStack stack) {
+        setItemInMainHand(stack);
+    }
+
+    @Override
+    public int getHeldItemSlot() {
+        return heldItemSlot;
+    }
+
+    @Override
+    public void setHeldItemSlot(int slot) {
+        if (slot < 0 || slot > 8)
+            throw new IllegalArgumentException("Slot is not between 0 and 8 inclusive");
+        heldItemSlot = slot;
+    }
+
+    @Override
+    public @Nullable HumanEntity getHolder() {
+        return null;
+    }
+}

pandalib-paper/src/main/java/fr/pandacube/lib/paper/inventory/InventoryWrapper.java

@@ -1,4 +1,4 @@
-package fr.pandacube.lib.paper.util;
+package fr.pandacube.lib.paper.inventory;
 
 import org.bukkit.Location;
 import org.bukkit.Material;
@@ -13,12 +13,22 @@ import org.jetbrains.annotations.Nullable;
 import java.util.HashMap;
 import java.util.List;
 import java.util.ListIterator;
+import java.util.Objects;
 
+/**
+ * Wrapper for an {@link Inventory}.
+ * Can be overridden to add specific behaviour to some methods.
+ */
 public class InventoryWrapper implements Inventory {
     private final Inventory base;
 
+    /**
+     * Creates a wrapper for the provided inventory.
+     * @param base the wrapped inventory. Cannot be null.
+     * @throws NullPointerException if the base inventory is null.
+     */
     public InventoryWrapper(Inventory base) {
-        this.base = base;
+        this.base = Objects.requireNonNull(base, "base inventory cannot be null.");
     }
 
 

pandalib-paper/src/main/java/fr/pandacube/lib/paper/inventory/ItemStackBuilder.java

@@ -1,4 +1,4 @@
-package fr.pandacube.lib.paper.util;
+package fr.pandacube.lib.paper.inventory;
 
 import com.google.common.collect.Streams;
 import fr.pandacube.lib.chat.Chat;
@@ -18,6 +18,9 @@ import java.util.function.Consumer;
 
 import static fr.pandacube.lib.chat.ChatStatic.chatComponent;
 
+/**
+ * A builder for {@link ItemStack}.
+ */
 public class ItemStackBuilder {
 
 	/**
@@ -77,10 +80,22 @@ public class ItemStackBuilder {
 		return (cachedMeta != null) ? cachedMeta : (cachedMeta = stack.getItemMeta());
 	}
 
+	/**
+	 * Runs the provided updater on the {@link ItemMeta} instance of the built stack.
+	 * @param metaUpdater the updater that will modify the meta.
+	 * @return itself.
+	 */
 	public ItemStackBuilder meta(Consumer<ItemMeta> metaUpdater) {
 		return meta(metaUpdater, ItemMeta.class);
 	}
 
+	/**
+	 * Runs the provided updater on the {@link ItemMeta} instance of the built stack.
+	 * @param metaUpdater the updater that will modify the meta.
+	 * @param metaType the type of the meta instance.
+	 * @param <T> the type of item meta.
+	 * @return itself.
+	 */
 	public <T extends ItemMeta> ItemStackBuilder meta(Consumer<T> metaUpdater, Class<T> metaType) {
 		stack.editMeta(metaType, m -> {
 			metaUpdater.accept(m);
@@ -88,38 +103,67 @@ public class ItemStackBuilder {
 		});
 		return this;
 	}
-	
+
+	/**
+	 * Sets the amount of the built stack.
+	 * @param a the new amount.
+	 * @return itself.
+	 */
 	public ItemStackBuilder amount(int a) {
 		stack.setAmount(a);
 		return this;
 	}
 
+	/**
+	 * Sets the display name of the item, directly passing to {@link ItemMeta#displayName(Component)}.
+	 * @param displayName the new display name. Can be null to unset.
+	 * @return itself.
+	 */
 	public ItemStackBuilder rawDisplayName(Component displayName) {
 		return meta(m -> m.displayName(displayName));
 	}
-	
+
+	/**
+	 * Sets the display name of the item, filtering to make default italic to false.
+	 * @param displayName the new display name. Can be null to unset.
+	 * @return itself.
+	 */
 	public ItemStackBuilder displayName(ComponentLike displayName) {
-		if (displayName != null) {
-			return rawDisplayName(Chat.italicFalseIfNotSet(chatComponent(displayName)).asComponent());
-		}
-		else
-			return rawDisplayName(null);
+		return rawDisplayName(displayName != null
+				? Chat.italicFalseIfNotSet(chatComponent(displayName)).asComponent()
+				: null);
 	}
-	
+
+	/**
+	 * Sets the lore of the item, directly passing to {@link ItemMeta#lore(List)}.
+	 * @param lore the new lore. Can be null to unset.
+	 * @return itself.
+	 */
 	public ItemStackBuilder rawLore(List<Component> lore) {
 		return meta(m -> m.lore(lore));
 	}
-	
+
+
+	/**
+	 * Sets the lore of the item, filtering to make default italic to false.
+	 * @param lore the new lore. Can be null to unset.
+	 * @return itself.
+	 */
 	public ItemStackBuilder lore(List<? extends ComponentLike> lore) {
 		if (lore != null) {
 			return rawLore(lore.stream()
-					.map(line -> Chat.italicFalseIfNotSet(chatComponent(line)).getAdv())
+					.map(line -> Chat.italicFalseIfNotSet(chatComponent(line)).get())
 					.toList());
 		}
 		else
 			return rawLore(Collections.emptyList());
 	}
-	
+
+	/**
+	 * Adds new lore lines to the existing lore of the item.
+	 * @param lores the added lore lines.
+	 * @return itself.
+	 */
 	public ItemStackBuilder addLoreAfter(List<? extends ComponentLike> lores) {
 		if (lores != null) {
 			List<Component> baseLore = getOrInitMeta().lore();
@@ -128,14 +172,19 @@ public class ItemStackBuilder {
 					Streams.concat(
 							baseLore.stream(),
 							lores.stream()
-							.map(line -> Chat.italicFalseIfNotSet(chatComponent(line)).getAdv())
+							.map(line -> Chat.italicFalseIfNotSet(chatComponent(line)).get())
 					)
 					.toList());
 		}
 		else
 			return this;
 	}
-	
+
+	/**
+	 * Adds new lore lines to the existing lore of the item.
+	 * @param lores the added lore lines.
+	 * @return itself.
+	 */
 	public ItemStackBuilder addLoreAfter(ComponentLike... lores) {
 		if (lores == null || lores.length == 0)
 			return this;
@@ -143,69 +192,120 @@ public class ItemStackBuilder {
 	}
 
 	/**
+	 * Enchant the item.
 	 * Supports unsafe enchants.
+	 * @param enchantment the enchantment.
+	 * @param level the enchant level.
+	 * @return itself.
 	 */
 	public ItemStackBuilder enchant(Enchantment enchantment, int level) {
 		return meta(m -> m.addEnchant(enchantment, level, true));
 	}
 
+	/**
+	 * Adds the provided flags to the item.
+	 * @param flags he flags to add.
+	 * @return itself.
+	 */
 	public ItemStackBuilder flags(ItemFlag... flags) {
 		return flags(true, flags);
 	}
 
+	/**
+	 * Adds or removes the provided flags to the item.
+	 * @param add true to add, false to remove.
+	 * @param flags he flags to add.
+	 * @return itself.
+	 */
 	public ItemStackBuilder flags(boolean add, ItemFlag... flags) {
 		return add ? meta(m -> m.addItemFlags(flags))
 				: meta(m -> m.removeItemFlags(flags));
 	}
 
+	/**
+	 * Hides the enchants from the tooltip of the item.
+	 * Will set the {@link ItemFlag#HIDE_ENCHANTS} flag of the item.
+	 * @return itself.
+	 */
 	public ItemStackBuilder hideEnchants() {
 		return hideEnchants(true);
 	}
 
+	/**
+	 * Sets or unsets the {@link ItemFlag#HIDE_ENCHANTS} flag of the item.
+	 * @param hide true to hide, false to show.
+	 * @return itself.
+	 */
 	public ItemStackBuilder hideEnchants(boolean hide) {
 		return flags(hide, ItemFlag.HIDE_ENCHANTS);
 	}
 
+	/**
+	 * Hides the attributes from the tooltip of the item.
+	 * Will set the {@link ItemFlag#HIDE_ATTRIBUTES} flag of the item.
+	 * @return itself.
+	 */
 	public ItemStackBuilder hideAttributes() {
 		return hideAttributes(true);
 	}
 
+	/**
+	 * Sets or unsets the {@link ItemFlag#HIDE_ATTRIBUTES} flag of the item.
+	 * @param hide true to hide, false to show.
+	 * @return itself.
+	 */
 	public ItemStackBuilder hideAttributes(boolean hide) {
 		return flags(hide, ItemFlag.HIDE_ATTRIBUTES);
 	}
 
+	/**
+	 * Apply the enchantment glint to the item, event if it's not enchant.
+	 * @return itself.
+	 */
 	public ItemStackBuilder fakeEnchant() {
 		return fakeEnchant(true);
 	}
 
+	/**
+	 * Sets the enchantment glint override to the item.
+	 * @param apply true to enforce the enchantment glint, false to set to default.
+	 * @return itself.
+	 */
 	public ItemStackBuilder fakeEnchant(boolean apply) {
-		if (apply) {
-			enchant(Enchantment.UNBREAKING, 1);
-			return hideEnchants();
-		}
-		return this;
+		return meta(m -> m.setEnchantmentGlintOverride(apply ? true : null));
 	}
 
+	/**
+	 * Sets this item as unbreakable.
+	 * @return itself.
+	 */
 	public ItemStackBuilder unbreakable() {
 		return unbreakable(true);
 	}
 
+	/**
+	 * Sets the unbreakable status of this item.
+	 * @param unbreakable the unbreakable status.
+	 * @return itself.
+	 */
 	public ItemStackBuilder unbreakable(boolean unbreakable) {
 		return meta(m -> m.setUnbreakable(unbreakable));
 	}
-	
+
+	/**
+	 * Sets the damage value of this item.
+	 * @param d the new damage value.
+	 * @return itself.
+	 */
 	public ItemStackBuilder damage(int d) {
 		return meta(m -> m.setDamage(d), Damageable.class);
 	}
-	
-	
-	
-	
-	
-	
-	
-	
-	
+
+
+	/**
+	 * Build the {@link ItemStack}.
+	 * @return the build item stack.
+	 */
 	public ItemStack build() {
 		return stack;
 	}

pandalib-paper/src/main/java/fr/pandacube/lib/paper/json/PaperJson.java

@@ -14,4 +14,7 @@ public class PaperJson {
         Json.registerTypeAdapterFactory(ItemStackAdapter.FACTORY);
         Json.registerTypeAdapterFactory(ConfigurationSerializableAdapter.FACTORY);
     }
+
+
+    private PaperJson() {}
 }

pandalib-paper/src/main/java/fr/pandacube/lib/paper/modules/PerformanceAnalysisManager.java

@@ -4,7 +4,6 @@ import com.destroystokyo.paper.event.server.ServerTickEndEvent;
 import com.destroystokyo.paper.event.server.ServerTickStartEvent;
 import fr.pandacube.lib.chat.Chat;
 import fr.pandacube.lib.chat.ChatColorGradient;
-import fr.pandacube.lib.chat.ChatColorUtil;
 import fr.pandacube.lib.chat.ChatConfig.PandaTheme;
 import fr.pandacube.lib.paper.PandaLibPaper;
 import fr.pandacube.lib.paper.players.PaperOffPlayer;
@@ -13,16 +12,15 @@ import fr.pandacube.lib.paper.scheduler.SchedulerUtil;
 import fr.pandacube.lib.paper.util.AutoUpdatedBossBar;
 import fr.pandacube.lib.paper.util.AutoUpdatedBossBar.BarUpdater;
 import fr.pandacube.lib.players.standalone.AbstractPlayerManager;
-import fr.pandacube.lib.util.log.Log;
 import fr.pandacube.lib.util.MemoryUtil;
 import fr.pandacube.lib.util.MemoryUtil.MemoryUnit;
 import fr.pandacube.lib.util.TimeUtil;
+import fr.pandacube.lib.util.log.Log;
 import net.kyori.adventure.bossbar.BossBar;
 import net.kyori.adventure.bossbar.BossBar.Color;
 import net.kyori.adventure.bossbar.BossBar.Overlay;
 import net.kyori.adventure.text.format.NamedTextColor;
 import net.kyori.adventure.text.format.TextColor;
-import net.md_5.bungee.api.ChatColor;
 import org.bukkit.Bukkit;
 import org.bukkit.command.CommandSender;
 import org.bukkit.command.ConsoleCommandSender;
@@ -45,10 +43,17 @@ import static fr.pandacube.lib.chat.ChatStatic.infoText;
 import static fr.pandacube.lib.chat.ChatStatic.successText;
 import static fr.pandacube.lib.chat.ChatStatic.text;
 
+/**
+ * Various tools to supervise the JVM RAM and the CPU usage of the main server thread.
+ */
 public class PerformanceAnalysisManager implements Listener {
 
 	private static PerformanceAnalysisManager instance;
 
+	/**
+	 * Gets the instance of {@link PerformanceAnalysisManager}.
+	 * @return the instance of {@link PerformanceAnalysisManager}.
+	 */
 	public static synchronized PerformanceAnalysisManager getInstance() {
 		if (instance == null)
 			instance = new PerformanceAnalysisManager();
@@ -77,14 +82,22 @@ public class PerformanceAnalysisManager implements Listener {
 	private final LinkedList<Long> interTPSDurations = new LinkedList<>();
 
 
-
-
+	/**
+	 * The boss bar that shows in real time the CPU performance of the main server thread.
+	 */
 	public final AutoUpdatedBossBar tpsBar;
+
+	/**
+	 * The boss bar that shows in real time the JVM RAM usage.
+	 */
 	public final AutoUpdatedBossBar memoryBar;
 	private final List<Player> barPlayers = new ArrayList<>();
 	private final List<BossBar> relatedBossBars = new ArrayList<>();
-	
-	
+
+
+	/**
+	 * The gradient of color covering the common range of TPS values.
+	 */
 	public final ChatColorGradient tps1sGradient = new ChatColorGradient()
 			.add(0, NamedTextColor.BLACK)
 			.add(1, NamedTextColor.DARK_RED)
@@ -95,23 +108,7 @@ public class PerformanceAnalysisManager implements Listener {
 			.add(21, PandaTheme.CHAT_GREEN_1_NORMAL)
 			.add(26, NamedTextColor.BLUE);
 
-
-	public final ChatColorGradient tps10sGradient = new ChatColorGradient()
-			.add(0, NamedTextColor.DARK_RED)
-			.add(5, NamedTextColor.RED)
-			.add(10, NamedTextColor.GOLD)
-			.add(14, NamedTextColor.YELLOW)
-			.add(19, PandaTheme.CHAT_GREEN_1_NORMAL);
-
-
-	public final ChatColorGradient tps1mGradient = new ChatColorGradient()
-			.add(0, NamedTextColor.DARK_RED)
-			.add(8, NamedTextColor.RED)
-			.add(14, NamedTextColor.GOLD)
-			.add(17, NamedTextColor.YELLOW)
-			.add(19, PandaTheme.CHAT_GREEN_1_NORMAL);
-
-	public final ChatColorGradient memoryUsageGradient = new ChatColorGradient()
+	private final ChatColorGradient memoryUsageGradient = new ChatColorGradient()
 			.add(.60f, PandaTheme.CHAT_GREEN_1_NORMAL)
 			.add(.70f, NamedTextColor.YELLOW)
 			.add(.80f, NamedTextColor.GOLD)
@@ -133,10 +130,19 @@ public class PerformanceAnalysisManager implements Listener {
 		
 	}
 
+	/**
+	 * Tells if the provided players is seeing the performance boss bars.
+	 * @param p the player to verify.
+	 * @return true if the provided players is seeing the performance boss bars, false otherwise.
+	 */
 	public boolean barsContainsPlayer(Player p) {
 		return barPlayers.contains(p);
 	}
-	
+
+	/**
+	 * Shows the performance boss bars to the provided player.
+	 * @param p the player.
+	 */
 	public synchronized void addPlayerToBars(Player p) {
 		barPlayers.add(p);
 		p.showBossBar(tpsBar.bar);
@@ -144,7 +150,11 @@ public class PerformanceAnalysisManager implements Listener {
 		for (BossBar bar : relatedBossBars)
 			p.showBossBar(bar);
 	}
-	
+
+	/**
+	 * Hides the performance boss bars from the provided player.
+	 * @param p the player.
+	 */
 	public synchronized void removePlayerToBars(Player p) {
 		p.hideBossBar(tpsBar.bar);
 		p.hideBossBar(memoryBar.bar);
@@ -152,7 +162,11 @@ public class PerformanceAnalysisManager implements Listener {
 			p.hideBossBar(bar);
 		barPlayers.remove(p);
 	}
-	
+
+	/**
+	 * Show an additional boss bar to the players currently seeing the performance ones.
+	 * @param bar the new bar to show.
+	 */
 	public synchronized void addBossBar(BossBar bar) {
 		if (relatedBossBars.contains(bar))
 			return;
@@ -160,7 +174,11 @@ public class PerformanceAnalysisManager implements Listener {
 		for (Player p : barPlayers)
 			p.showBossBar(bar);
 	}
-	
+
+	/**
+	 * Hides an additional boss bar from the players currently seeing the performance ones.
+	 * @param bar the additional bar to hide.
+	 */
 	public synchronized void removeBossBar(BossBar bar) {
 		if (!relatedBossBars.contains(bar))
 			return;
@@ -168,8 +186,11 @@ public class PerformanceAnalysisManager implements Listener {
 		for (Player p : barPlayers)
 			p.hideBossBar(bar);
 	}
-	
-	public synchronized void cancelInternalBossBar() {
+
+	/**
+	 * De-initialize the performance analyzer.
+	 */
+	public synchronized void deinit() {
 		tpsBar.cancel();
 		memoryBar.cancel();
 	}
@@ -179,7 +200,7 @@ public class PerformanceAnalysisManager implements Listener {
 	
 	
 	@EventHandler
-	public synchronized void onTickStart(ServerTickStartEvent event) {
+	synchronized void onTickStart(ServerTickStartEvent event) {
 		tickStartNanoTime = System.nanoTime();
 		tickStartCPUTime = threadMXBean.isThreadCpuTimeSupported() ? threadMXBean.getCurrentThreadCpuTime() : 0;
 		
@@ -187,7 +208,7 @@ public class PerformanceAnalysisManager implements Listener {
 	}
 	
 	@EventHandler
-	public synchronized void onTickEnd(ServerTickEndEvent event) {
+	synchronized void onTickEnd(ServerTickEndEvent event) {
 		tickEndNanoTime = System.nanoTime();
 		long tickEndCPUTime = threadMXBean.isThreadCpuTimeSupported() ? threadMXBean.getCurrentThreadCpuTime() : 0;
 		
@@ -214,7 +235,7 @@ public class PerformanceAnalysisManager implements Listener {
 
 	
 	@EventHandler
-	public void onPlayerJoin(PlayerJoinEvent event) {
+	void onPlayerJoin(PlayerJoinEvent event) {
 		plugin.getServer().getScheduler().runTaskAsynchronously(plugin, () -> {
 			@SuppressWarnings("unchecked")
 			AbstractPlayerManager<PaperOnlinePlayer, PaperOffPlayer> playerManager = (AbstractPlayerManager<PaperOnlinePlayer, PaperOffPlayer>) AbstractPlayerManager.getInstance();
@@ -234,7 +255,7 @@ public class PerformanceAnalysisManager implements Listener {
 
 
 	@EventHandler
-	public void onPlayerQuit(PlayerQuitEvent event) {
+	void onPlayerQuit(PlayerQuitEvent event) {
 		removePlayerToBars(event.getPlayer());
 	}
 
@@ -299,15 +320,17 @@ public class PerformanceAnalysisManager implements Listener {
 					
 					// keep the legacy text when generating the bar to save space when converting to component
 					StringBuilder s = new StringBuilder();
-					ChatColor prevC = ChatColor.RESET;
+					TextColor prevC = null;
 					for (int i = 58; i >= 0; i--) {
 						int t = tpsHistory[i];
-						ChatColor newC = ChatColorUtil.toBungee(tps1sGradient.pickColorAt(t));
+						TextColor newC = tps1sGradient.pickColorAt(t);
 						if (!newC.equals(prevC)) {
-							s.append(newC);
+							s.append(text("|").color(newC).getLegacyText());
 							prevC = newC;
 						}
-						s.append("|");
+						else {
+							s.append("|");
+						}
 					}
 					
 					
@@ -374,28 +397,34 @@ public class PerformanceAnalysisManager implements Listener {
 	}
 	
 	private Chat alteredTPSTitle = null;
-	
+
+	/**
+	 * Temporary change the title of the TPS boss bar.
+	 * @param title the title override. null to restore to the normal TPS title.
+	 */
 	public synchronized void setAlteredTPSTitle(Chat title) {
 		alteredTPSTitle = title;
 	}
-	
-	
-	
-	
-	
-	
-	
-	// special case where the getTPS method always returns a whole number when retrieving the TPS for 1 sec
+
+
+
+
+
+
+
+	/**
+	 * Gets the number of tick in the last second.
+	 * @return the number of tick in the last second.
+	 */
 	public int getTPS1s() {
 		return (int) getTPS(1_000);
 	}
 
 	/**
-	 * 
 	 * @param nbTicks number of ticks when the avg value is computed from history
 	 * @return the avg number of TPS in the interval
 	 */
-	public synchronized float getAvgNano(List<Long> data, int nbTicks) {
+	private synchronized float getAvgNano(List<Long> data, int nbTicks) {
 		if (data.isEmpty())
 			return 0;
 
@@ -409,7 +438,7 @@ public class PerformanceAnalysisManager implements Listener {
 	}
 
 	/**
-	 * 
+	 * Gets the average number of tick per second in the n last milliseconds.
 	 * @param nbMillis number of milliseconds when the avg TPS is computed from history
 	 * @return the avg number of TPS in the interval
 	 */
@@ -428,8 +457,12 @@ public class PerformanceAnalysisManager implements Listener {
 
 		return count * (1000 / (float) nbMillis);
 	}
-	
-	
+
+
+	/**
+	 * Gets the history of TPS performance.
+	 * @return an array of TPS values from the last minute. The value at 0 is in the last second (current second on the clock - 1), the value at index 1 is now - 2, ...
+	 */
 	public synchronized int[] getTPSHistory() {
 		int[] history = new int[60];
 
@@ -447,15 +480,22 @@ public class PerformanceAnalysisManager implements Listener {
 	}
 
 
-
+	/**
+	 * Gets the current server's target tick rate.
+	 * Usually 20 but the server can be configured to tick at a different rate.
+	 * @return the current server's target tick rate.
+	 */
 	public static int getTargetTickRate() {
 		return Math.round(Bukkit.getServerTickManager().getTickRate());
 	}
-	
-	
-	
-	
-	
+
+
+	/**
+	 * Runs the garbage collector on the server.
+	 * Depending on the server load and the used memory, this can freeze the server for a second.
+	 * @param sender the command sender that triggers the garbase collector. Can be null (the report will be sent to the
+	 *               console)
+	 */
 	public static void gc(CommandSender sender) {
 		long t1 = System.currentTimeMillis();
 		long alloc1 = Runtime.getRuntime().totalMemory();
@@ -477,7 +517,7 @@ public class PerformanceAnalysisManager implements Listener {
 			Log.info(finalMessage.getLegacyText());
 	}
 
-	public static String displayRound10(double val) {
+	private static String displayRound10(double val) {
 		long v = (long) Math.ceil(val * 10);
 		return "" + (v / 10f);
 	}

pandalib-paper/src/main/java/fr/pandacube/lib/paper/players/PaperOffPlayer.java

@@ -1,11 +1,10 @@
 package fr.pandacube.lib.paper.players;
 
-import fr.pandacube.lib.paper.reflect.util.PrimaryWorlds;
+import fr.pandacube.lib.paper.world.PrimaryWorlds;
 import fr.pandacube.lib.paper.reflect.wrapper.craftbukkit.CraftServer;
 import fr.pandacube.lib.paper.reflect.wrapper.minecraft.nbt.CompoundTag;
 import fr.pandacube.lib.paper.reflect.wrapper.minecraft.nbt.NbtIo;
-import fr.pandacube.lib.paper.util.PlayerDataWrapper;
-import fr.pandacube.lib.paper.util.PlayerDataWrapper.PlayerDataLoadException;
+import fr.pandacube.lib.paper.players.PlayerDataWrapper.PlayerDataLoadException;
 import fr.pandacube.lib.paper.world.WorldUtil;
 import fr.pandacube.lib.players.standalone.AbstractOffPlayer;
 import fr.pandacube.lib.reflect.wrapper.ReflectWrapper;
@@ -116,26 +115,31 @@ public interface PaperOffPlayer extends AbstractOffPlayer {
      * Player config
      */
 
+    @SuppressWarnings("RedundantThrows") // may be thrown by concrete implementation
     @Override
     default String getConfig(String key) throws Exception {
         return PaperPlayerConfigStorage.get(getUniqueId(), key);
     }
 
+    @SuppressWarnings("RedundantThrows") // may be thrown by concrete implementation
     @Override
     default String getConfig(String key, String deflt) throws Exception {
         return PaperPlayerConfigStorage.get(getUniqueId(), key, deflt);
     }
 
+    @SuppressWarnings("RedundantThrows") // may be thrown by concrete implementation
     @Override
     default void setConfig(String key, String value) throws Exception {
         PaperPlayerConfigStorage.set(getUniqueId(), key, value);
     }
 
+    @SuppressWarnings("RedundantThrows") // may be thrown by concrete implementation
     @Override
     default void updateConfig(String key, String deflt, UnaryOperator<String> updater) throws Exception {
         PaperPlayerConfigStorage.update(getUniqueId(), key, deflt, updater);
     }
 
+    @SuppressWarnings("RedundantThrows") // may be thrown by concrete implementation
     @Override
     default void unsetConfig(String key) throws Exception {
         PaperPlayerConfigStorage.unset(getUniqueId(), key);

pandalib-paper/src/main/java/fr/pandacube/lib/paper/players/PaperOnlinePlayer.java

@@ -3,7 +3,7 @@ package fr.pandacube.lib.paper.players;
 import com.destroystokyo.paper.ClientOption;
 import com.destroystokyo.paper.ClientOption.ChatVisibility;
 import com.destroystokyo.paper.SkinParts;
-import fr.pandacube.lib.paper.players.PlayerNonPersistentConfig.Expiration;
+import fr.pandacube.lib.paper.players.PlayerNonPersistentConfig.ExpirationPolicy;
 import fr.pandacube.lib.paper.reflect.wrapper.craftbukkit.CraftPlayer;
 import fr.pandacube.lib.players.standalone.AbstractOnlinePlayer;
 import fr.pandacube.lib.reflect.wrapper.ReflectWrapper;
@@ -170,7 +170,7 @@ public interface PaperOnlinePlayer extends PaperOffPlayer, AbstractOnlinePlayer
         @Override
         public boolean isChatFullyVisible() {
             ChatVisibility v = getChatVisibility();
-            return v == ChatVisibility.FULL || v == ChatVisibility.UNKNOWN;
+            return v == ChatVisibility.FULL;
         }
 
         @Override
@@ -283,7 +283,7 @@ public interface PaperOnlinePlayer extends PaperOffPlayer, AbstractOnlinePlayer
      * @param relZ the relative z coordinate.
      */
     default void teleportRelatively(float relX, float relY, float relZ) {
-        getBukkitPlayer().teleport(getBukkitPlayer().getLocation().add(relX, relY, relZ), Relative.X, Relative.Y, Relative.Z, Relative.YAW, Relative.PITCH);
+        getBukkitPlayer().teleport(getBukkitPlayer().getLocation().add(relX, relY, relZ), Relative.VELOCITY_X, Relative.VELOCITY_Y, Relative.VELOCITY_Z, Relative.VELOCITY_ROTATION);
     }
 
     /**
@@ -291,7 +291,7 @@ public interface PaperOnlinePlayer extends PaperOffPlayer, AbstractOnlinePlayer
      * @param destination the destination.
      */
     default void teleportRelatively(Location destination) {
-        getBukkitPlayer().teleport(destination, Relative.X, Relative.Y, Relative.Z, Relative.YAW, Relative.PITCH);
+        getBukkitPlayer().teleport(destination, Relative.VELOCITY_X, Relative.VELOCITY_Y, Relative.VELOCITY_Z, Relative.VELOCITY_ROTATION);
     }
 
 
@@ -304,18 +304,39 @@ public interface PaperOnlinePlayer extends PaperOffPlayer, AbstractOnlinePlayer
      * Player config
      */
 
+    /**
+     * Gets the non-persistent value of the provided configuration key of this player.
+     * @param key the configuration key.
+     * @return the value of the configuration, or null if the configuration is not set.
+     */
     default String getNonPersistentConfig(String key) {
         return PlayerNonPersistentConfig.getData(getUniqueId(), key);
     }
 
+    /**
+     * Gets the non-persistent value of the provided configuration key of this player.
+     * @param key the configuration key.
+     * @param deflt the default value if the configuration is not set.
+     * @return the value of the configuration, or {@code deflt} if the configuration is not set.
+     */
     default String getNonPersistentConfig(String key, String deflt) {
         return PlayerNonPersistentConfig.getData(getUniqueId(), key);
     }
 
-    default void setNonPersistentConfig(String key, String value, Expiration expiration) {
-        PlayerNonPersistentConfig.setData(getUniqueId(), key, value, expiration);
+    /**
+     * Sets the non-persistent value of the provided configuration key for this player.
+     * @param key the configuration key to set.
+     * @param value the new value.
+     * @param expirationPolicy the expiration policy.
+     */
+    default void setNonPersistentConfig(String key, String value, ExpirationPolicy expirationPolicy) {
+        PlayerNonPersistentConfig.setData(getUniqueId(), key, value, expirationPolicy);
     }
 
+    /**
+     * Unsets the non-persistent value of the provided configuration key for this player.
+     * @param key the configuration key to update.
+     */
     default void unsetNonPersistentConfig(String key) {
         PlayerNonPersistentConfig.unsetData(getUniqueId(), key);
     }

pandalib-paper/src/main/java/fr/pandacube/lib/paper/players/PaperPlayerConfigStorage.java

@@ -16,6 +16,10 @@ import java.util.UUID;
 import java.util.function.UnaryOperator;
 import java.util.stream.Collectors;
 
+/**
+ * Provides rudimentary player data storage using a file in the plugin configuration.
+ * The file is loaded on the first access, and is auto-saved if needed every 30 seconds.
+ */
 public class PaperPlayerConfigStorage {
 
     static final File storageFile = new File(PandaLibPaper.getPlugin().getDataFolder(), "playerdata.yml");
@@ -77,6 +81,8 @@ public class PaperPlayerConfigStorage {
 
 
     private static synchronized void save() {
+        if (!changed)
+            return;
         YamlConfiguration config = new YamlConfiguration();
         for (UUID pId : playerSortedData.keySet()) {
             String pIdStr = pId.toString();
@@ -109,11 +115,17 @@ public class PaperPlayerConfigStorage {
     }
 
 
-    public static synchronized void set(UUID player, String key, String newValue) {
+    /**
+     * Sets the value of the provided configuration key for the player.
+     * @param player the player.
+     * @param key the configuration key to set.
+     * @param value the new value.
+     */
+    public static synchronized void set(UUID player, String key, String value) {
         initIfNeeded();
         ConfigKey cKey = new ConfigKey(player, key);
         ConfigEntry e = data.get(cKey);
-        if (e != null && newValue == null) { // delete
+        if (e != null && value == null) { // delete
             data.remove(cKey);
             if (playerSortedData.containsKey(player))
                 playerSortedData.get(player).remove(e);
@@ -121,50 +133,91 @@ public class PaperPlayerConfigStorage {
                 keySortedData.get(key).remove(e);
             changed = true;
         }
-        else if (e == null && newValue != null) { // create
-            create(player, key, newValue);
+        else if (e == null && value != null) { // create
+            create(player, key, value);
             changed = true;
         }
-        else if (e != null && !newValue.equals(e.value)) { // update
-            e.value = newValue;
+        else if (e != null && !value.equals(e.value)) { // update
+            e.value = value;
             changed = true;
         }
     }
 
+    /**
+     * Gets the value of the provided configuration key of the player.
+     * @param player the player.
+     * @param key the configuration key.
+     * @return the value of the configuration, or null if the configuration is not set.
+     */
     public static synchronized String get(UUID player, String key) {
         initIfNeeded();
         ConfigEntry e = data.get(new ConfigKey(player, key));
         return e != null ? e.value : null;
     }
 
-    public static String get(UUID p, String k, String deflt) {
-        String value = get(p, k);
+    /**
+     * Gets the value of the provided configuration key of the player.
+     * @param player the player.
+     * @param key the configuration key.
+     * @param deflt the default value if the configuration is not set.
+     * @return the value of the configuration, or {@code deflt} if the configuration is not set.
+     */
+    public static String get(UUID player, String key, String deflt) {
+        String value = get(player, key);
         return value == null ? deflt : value;
     }
 
-    public static synchronized void update(UUID p, String k, String deflt, UnaryOperator<String> updater) {
-        String oldValue = get(p, k, deflt);
-        set(p, k, updater.apply(oldValue));
+    /**
+     * Updates the value of the provided configuration key for the player, using the provided updater.
+     * @param player the player.
+     * @param key the configuration key to update.
+     * @param deflt the default value to use if the configuration is not already set.
+     * @param updater the unary operator to use to update th value. The old value is used as the parameter of the updater,
+     *                and it returns the new value of the configuration.
+     */
+    public static synchronized void update(UUID player, String key, String deflt, UnaryOperator<String> updater) {
+        String oldValue = get(player, key, deflt);
+        set(player, key, updater.apply(oldValue));
     }
 
-    public static void unset(UUID p, String k) {
-        set(p, k, null);
+    /**
+     * Unsets the value of the provided configuration key for the player.
+     * @param player the player.
+     * @param key the configuration key to update.
+     */
+    public static void unset(UUID player, String key) {
+        set(player, key, null);
     }
 
-
-    public static LinkedHashSet<ConfigEntry> getAllFromPlayer(UUID p) {
+    /**
+     * Gets all the config key-value pairs of the provided player.
+     * @param player the player.
+     * @return all the config key-value pairs of the provided player.
+     */
+    public static LinkedHashSet<ConfigEntry> getAllFromPlayer(UUID player) {
         initIfNeeded();
-        return new LinkedHashSet<>(playerSortedData.getOrDefault(p, new LinkedHashSet<>()));
+        return new LinkedHashSet<>(playerSortedData.getOrDefault(player, new LinkedHashSet<>()));
     }
 
+    /**
+     * Gets all the config key-value pairs of all players that have the provided key.
+     * @param key the key.
+     * @return all the config key-value pairs of all players that have the provided key.
+     */
     public static LinkedHashSet<ConfigEntry> getAllWithKeys(String key) {
         initIfNeeded();
         return new LinkedHashSet<>(keySortedData.getOrDefault(key, new LinkedHashSet<>()));
     }
 
-    public static LinkedHashSet<ConfigEntry> getAllWithKeyValue(String k, String v) {
+    /**
+     * Gets all the config key-value pairs of all players that have the provided key AND value.
+     * @param key the key.
+     * @param v the value.
+     * @return all the config key-value pairs of all players that have the provided key AND value.
+     */
+    public static LinkedHashSet<ConfigEntry> getAllWithKeyValue(String key, String v) {
         initIfNeeded();
-        return getAllWithKeys(k).stream()
+        return getAllWithKeys(key).stream()
                 .filter(c -> c.value.equals(v))
                 .collect(Collectors.toCollection(LinkedHashSet::new));
     }
@@ -173,25 +226,46 @@ public class PaperPlayerConfigStorage {
 
     private record ConfigKey(UUID playerId, String key) { }
 
+    /**
+     * Class holding the playerId-key-value triplet.
+     */
     public static class ConfigEntry {
         private final UUID playerId;
         private final String key;
         private String value;
 
+        /**
+         * Creates a new {@link ConfigEntry}.
+         * @param playerId the player id.
+         * @param key the key.
+         * @param value the value.
+         */
         private ConfigEntry(UUID playerId, String key, String value) {
             this.playerId = playerId;
             this.key = key;
             this.value = value;
         }
 
+        /**
+         * Gets the player id.
+         * @return the player id.
+         */
         public UUID getPlayerId() {
             return playerId;
         }
 
+        /**
+         * Gets the config key.
+         * @return the config key.
+         */
         public String getKey() {
             return key;
         }
 
+        /**
+         * Gets the config value.
+         * @return the config value.
+         */
         public String getValue() {
             return value;
         }
@@ -208,4 +282,7 @@ public class PaperPlayerConfigStorage {
                     && Objects.equals(key, o.key);
         }
     }
+
+
+    private PaperPlayerConfigStorage() {}
 }

pandalib-paper/src/main/java/fr/pandacube/lib/paper/players/PlayerDataWrapper.java

@@ -1,39 +1,33 @@
-package fr.pandacube.lib.paper.util;
+package fr.pandacube.lib.paper.players;
 
-import com.google.common.base.Preconditions;
+import fr.pandacube.lib.paper.inventory.DummyPlayerInventory;
 import fr.pandacube.lib.paper.reflect.wrapper.craftbukkit.CraftItemStack;
 import fr.pandacube.lib.paper.reflect.wrapper.minecraft.nbt.CompoundTag;
 import fr.pandacube.lib.paper.reflect.wrapper.minecraft.nbt.ListTag;
 import fr.pandacube.lib.paper.reflect.wrapper.minecraft.nbt.Tag;
+import fr.pandacube.lib.paper.util.ExperienceUtil;
 import org.bukkit.Bukkit;
-import org.bukkit.Material;
-import org.bukkit.entity.HumanEntity;
 import org.bukkit.event.inventory.InventoryType;
-import org.bukkit.inventory.EquipmentSlot;
 import org.bukkit.inventory.Inventory;
 import org.bukkit.inventory.ItemStack;
 import org.bukkit.inventory.PlayerInventory;
-import org.jetbrains.annotations.NotNull;
-import org.jetbrains.annotations.Nullable;
 
-import java.util.Arrays;
 import java.util.Map;
 import java.util.Map.Entry;
-import java.util.Objects;
 import java.util.TreeMap;
 import java.util.UUID;
 import java.util.function.IntUnaryOperator;
 
 /**
- * A wrapper to easily manipulate vanilla player data.
+ * A wrapper to easily manipulate the player data file.
  *
- * @param data The data as they are stored in the player file.
+ * @param data The NBT data structure as it is stored in the player file.
  */
 public record PlayerDataWrapper(CompoundTag data) {
 
     /**
      * Creates a new wrapper for the provided player data.
-     * @param data the data to wrap.
+     * @param data the NBT data to wrap.
      */
     public PlayerDataWrapper(CompoundTag data) {
         this.data = data == null ? new CompoundTag() : data;
@@ -41,8 +35,9 @@ public record PlayerDataWrapper(CompoundTag data) {
 
     /**
      * Gets a snapshot of the inventory of this player.
-     * If modified, call the {@link #setInventory(PlayerInventory)} to update the data.
-     * @return the player inventory
+     * If the inventory is modified, the {@link #setInventory(PlayerInventory)} method should be called to update the
+     * data in this wrapper.
+     * @return the player inventory.
      */
     public PlayerInventory getInventory() {
         return new DummyPlayerInventory(
@@ -67,6 +62,11 @@ public record PlayerDataWrapper(CompoundTag data) {
         throw new IllegalArgumentException("Unrecognized NBT player inventory slot " + nbtSlot);
     }
 
+    /**
+     * Sets the player inventory to the content of the provided one.
+     * The internal data of this wrapper will be updated.
+     * @param inv the inventory to store in this player data in place of the old one.
+     */
     public void setInventory(PlayerInventory inv) {
         setBukkitInventory("Inventory", inv, this::fromBukkitToNBTInventorySlot);
         setHeldItemSlot(inv.getHeldItemSlot());
@@ -86,10 +86,21 @@ public record PlayerDataWrapper(CompoundTag data) {
     }
 
 
+    /**
+     * Gets a snapshot of the enderchest of this player.
+     * If the enderchest is modified, the {@link #setEnderChest(Inventory)} method should be called to update the
+     * data in this wrapper.
+     * @return the player enderchest.
+     */
     public Inventory getEnderChest() {
         return getBukkitInventory("EnderItems", InventoryType.ENDER_CHEST, IntUnaryOperator.identity());
     }
 
+    /**
+     * Sets the player enderchest to the content of the provided one.
+     * The internal data of this wrapper will be updated.
+     * @param inv the enderchest content to store in this player data in place of the old enderchest.
+     */
     public void setEnderChest(Inventory inv) {
         setBukkitInventory("EnderItems", inv, IntUnaryOperator.identity());
     }
@@ -171,6 +182,10 @@ public record PlayerDataWrapper(CompoundTag data) {
     }
 
 
+    /**
+     * Gets the score of the player, as stored in the data with the key {@code Score}.
+     * @return the value of Score.
+     */
     public int getScore() {
         if (!data.contains("Score"))
             return 0;
@@ -178,17 +193,29 @@ public record PlayerDataWrapper(CompoundTag data) {
 
     }
 
+    /**
+     * Sets the score of the player, as stored in the data with the key {@code Score}.
+     * @param score the value of Score to set.
+     */
     public void setScore(int score) {
         data.putInt("Score", score);
     }
 
 
+    /**
+     * Gets the total experience of the player, as stored in the data with the key {@code XpTotal}.
+     * @return the value of XpTotal.
+     */
     public int getTotalExperience() {
         if (!data.contains("XpTotal"))
             return 0;
         return data.getInt("XpTotal");
     }
 
+    /**
+     * Sets the total experience of the player, as stored in the data with the key {@code XpTotal}.
+     * @param xp the value of XpTotal to set.
+     */
     public void setTotalExperience(int xp) {
         data.putInt("XpTotal", xp);
         double levelAndExp = ExperienceUtil.getLevelFromExp(xp);
@@ -198,178 +225,11 @@ public record PlayerDataWrapper(CompoundTag data) {
         data.putFloat("XpP", (float) expProgress);
     }
 
-
-    private static class DummyPlayerInventory extends InventoryWrapper implements PlayerInventory {
-
-        private int heldItemSlot;
-
-        public DummyPlayerInventory(Inventory base, int heldItemSlot) {
-            super(base);
-            this.heldItemSlot = heldItemSlot;
-        }
-
-        @Override
-        public @Nullable ItemStack @NotNull [] getStorageContents() {
-            return Arrays.copyOfRange(getContents(), 0, 36);
-        }
-
-        @Override
-        public @Nullable ItemStack @NotNull [] getArmorContents() {
-            return Arrays.copyOfRange(getContents(), 36, 40);
-        }
-
-        @Override
-        public void setArmorContents(@Nullable ItemStack[] items) {
-            this.setSlots(items, 36, 4);
-        }
-
-        @Override
-        public @Nullable ItemStack @NotNull [] getExtraContents() {
-            return Arrays.copyOfRange(getContents(), 40, getSize());
-        }
-
-        @Override
-        public void setExtraContents(@Nullable ItemStack[] items) {
-            this.setSlots(items, 40, getSize() - 40);
-        }
-
-        private void setSlots(ItemStack[] items, int baseSlot, int length) {
-            if (items == null) {
-                items = new ItemStack[length];
-            }
-            Preconditions.checkArgument(items.length <= length, "items.length must be < %s", length);
-
-            for (int i = 0; i < length; i++) {
-                if (i >= items.length) {
-                    this.setItem(baseSlot + i, null);
-                } else {
-                    this.setItem(baseSlot + i, items[i]);
-                }
-            }
-        }
-
-        @Override
-        public ItemStack getHelmet() {
-            return getItem(39);
-        }
-
-        @Override
-        public void setHelmet(@Nullable ItemStack helmet) {
-            setItem(39, helmet);
-        }
-
-        @Override
-        public ItemStack getChestplate() {
-            return getItem(38);
-        }
-
-        @Override
-        public void setChestplate(@Nullable ItemStack chestplate) {
-            setItem(38, chestplate);
-        }
-
-        @Override
-        public ItemStack getLeggings() {
-            return getItem(37);
-        }
-
-        @Override
-        public void setLeggings(@Nullable ItemStack leggings) {
-            setItem(37, leggings);
-        }
-
-        @Override
-        public ItemStack getBoots() {
-            return getItem(36);
-        }
-
-        @Override
-        public void setBoots(@Nullable ItemStack boots) {
-            setItem(36, boots);
-        }
-
-        @Override
-        public void setItem(EquipmentSlot slot, ItemStack item) {
-            Preconditions.checkArgument(slot != null, "slot must not be null");
-
-            switch (slot) {
-                case HAND -> this.setItemInMainHand(item);
-                case OFF_HAND -> this.setItemInOffHand(item);
-                case FEET -> this.setBoots(item);
-                case LEGS -> this.setLeggings(item);
-                case CHEST -> this.setChestplate(item);
-                case HEAD -> this.setHelmet(item);
-                default -> throw new IllegalArgumentException("Not implemented. This is a bug");
-            }
-        }
-
-        @Override
-        public @NotNull ItemStack getItem(@NotNull EquipmentSlot slot) {
-            return switch (slot) {
-                case HAND -> this.getItemInMainHand();
-                case OFF_HAND -> this.getItemInOffHand();
-                case FEET -> Objects.requireNonNullElseGet(this.getBoots(), () -> new ItemStack(Material.AIR));
-                case LEGS -> Objects.requireNonNullElseGet(this.getLeggings(), () -> new ItemStack(Material.AIR));
-                case CHEST -> Objects.requireNonNullElseGet(this.getChestplate(), () -> new ItemStack(Material.AIR));
-                case HEAD -> Objects.requireNonNullElseGet(this.getHelmet(), () -> new ItemStack(Material.AIR));
-                case BODY -> new ItemStack(Material.AIR); // for horses/wolves armor
-            };
-        }
-
-        @Override
-        public @NotNull ItemStack getItemInMainHand() {
-            return Objects.requireNonNullElse(getItem(heldItemSlot), new ItemStack(Material.AIR));
-        }
-
-        @Override
-        public void setItemInMainHand(@Nullable ItemStack item) {
-            setItem(heldItemSlot, item);
-        }
-
-        @Override
-        public @NotNull ItemStack getItemInOffHand() {
-            return Objects.requireNonNullElse(getItem(40), new ItemStack(Material.AIR));
-        }
-
-        @Override
-        public void setItemInOffHand(@Nullable ItemStack item) {
-            setItem(40, item);
-        }
-
-        @Override
-        public @NotNull ItemStack getItemInHand() {
-            return getItemInMainHand();
-        }
-
-        @Override
-        public void setItemInHand(@Nullable ItemStack stack) {
-            setItemInMainHand(stack);
-        }
-
-        @Override
-        public int getHeldItemSlot() {
-            return heldItemSlot;
-        }
-
-        @Override
-        public void setHeldItemSlot(int slot) {
-            if (slot < 0 || slot > 8)
-                throw new IllegalArgumentException("Slot is not between 0 and 8 inclusive");
-            heldItemSlot = slot;
-        }
-
-        @Override
-        public @Nullable HumanEntity getHolder() {
-            return null;
-        }
-    }
-
-
-
-
-
+    /**
+     * Thrown to indicate that an error occurred while loading the data of the player from the file.
+     */
     public static class PlayerDataLoadException extends RuntimeException {
-        public PlayerDataLoadException(String playerName,  UUID playerId, Throwable cause) {
+        /* package */ PlayerDataLoadException(String playerName,  UUID playerId, Throwable cause) {
             super("Unable to load data of player " + playerName + " (" + playerId + ")", cause);
         }
     }

pandalib-paper/src/main/java/fr/pandacube/lib/paper/players/PlayerNonPersistentConfig.java

@@ -12,6 +12,9 @@ import java.util.Map;
 import java.util.Objects;
 import java.util.UUID;
 
+/**
+ * Handles the player related configuration that is not persisted to disk.
+ */
 public class PlayerNonPersistentConfig {
     private static final Map<UUID, Map<String, ConfigEntry>> data = new HashMap<>();
 
@@ -22,34 +25,58 @@ public class PlayerNonPersistentConfig {
     }
 
 
-    public static void setData(UUID playerId, String key, String value, Expiration expiration) {
-        data.computeIfAbsent(Objects.requireNonNull(playerId, "playerId"), pp -> new HashMap<>())
+    /**
+     * Sets the value of the provided configuration key for the player.
+     * @param player the player.
+     * @param key the configuration key to set.
+     * @param value the new value.
+     * @param expirationPolicy the expiration policy for this config. If the config key already exists for this player. the expiration will be overridden.
+     */
+    public static void setData(UUID player, String key, String value, ExpirationPolicy expirationPolicy) {
+        data.computeIfAbsent(Objects.requireNonNull(player, "playerId"), pp -> new HashMap<>())
                 .put(Objects.requireNonNull(key, "key"),
                         new ConfigEntry(Objects.requireNonNull(value, "value"),
-                                Objects.requireNonNull(expiration, "expiration")
+                                Objects.requireNonNull(expirationPolicy, "expiration")
                         )
                 );
     }
 
-    public static void unsetData(UUID playerId, String key) {
-        data.getOrDefault(Objects.requireNonNull(playerId, "playerId"), new HashMap<>())
+    /**
+     * Unsets the value of the provided configuration key for the player.
+     * @param player the player.
+     * @param key the configuration key to update.
+     */
+    public static void unsetData(UUID player, String key) {
+        data.getOrDefault(Objects.requireNonNull(player, "playerId"), new HashMap<>())
                 .remove(Objects.requireNonNull(key, "key"));
     }
 
-    public static String getData(UUID playerId, String key) {
-        Map<String, ConfigEntry> playerData = data.getOrDefault(Objects.requireNonNull(playerId, "playerId"), new HashMap<>());
+    /**
+     * Gets the value of the provided configuration key of the player.
+     * @param player the player.
+     * @param key the configuration key.
+     * @return the value of the configuration, or {@code deflt} if the configuration is not set.
+     */
+    public static String getData(UUID player, String key) {
+        Map<String, ConfigEntry> playerData = data.getOrDefault(Objects.requireNonNull(player, "playerId"), new HashMap<>());
         ConfigEntry ce = playerData.get(Objects.requireNonNull(key, "key"));
         if (ce == null)
             return null;
-        if (!ce.expiration.valid(playerId, key)) {
+        if (!ce.expirationPolicy.valid(player, key)) {
             playerData.remove(key);
             return null;
         }
         return ce.value;
     }
 
-    public static boolean isDataSet(UUID playerId, String key) {
-        return getData(playerId, key) != null;
+    /**
+     * Tells if the provided config key is set for the player.
+     * @param player the player.
+     * @param key the configuration key.
+     * @return true if the value is set, false otherwise.
+     */
+    public static boolean isDataSet(UUID player, String key) {
+        return getData(player, key) != null;
     }
 
 
@@ -63,34 +90,76 @@ public class PlayerNonPersistentConfig {
 
 
 
-    private record ConfigEntry(String value, Expiration expiration) { }
+    private record ConfigEntry(String value, ExpirationPolicy expirationPolicy) { }
 
 
+    /**
+     * Super class for all expiration policies.
+     */
+    public static abstract class ExpirationPolicy {
+        /**
+         * Creates an expiration policy.
+         */
+        public ExpirationPolicy() {}
 
-
-    public static abstract class Expiration {
+        /**
+         * Tests if the associated configuration is still valid (not expired).
+         * @param player the player.
+         * @param key the configuration key.
+         * @return true if the associated configuration is still valid, false otherwise.
+         */
         abstract boolean valid(UUID player, String key);
     }
 
-    public static class ExpiresLogout extends Expiration {
+    /**
+     * Expiration policy for a config that expires when the player logs out.
+     */
+    public static class ExpiresLogout extends ExpirationPolicy {
+        /**
+         * Creates a logout expiration policy.
+         */
+        public ExpiresLogout() {
+            super();
+        }
+
+        @Override
         protected boolean valid(UUID player, String key) {
             return Bukkit.getPlayer(player) != null; // should not be call if player reconnects because it is removed on player quit
         }
     }
 
-    public static class ExpiresTick extends Expiration {
+    /**
+     * Expiration policy for a config that expires after a certain amount of game tick.
+     */
+    public static class ExpiresTick extends ExpirationPolicy {
         final long expirationTick;
 
+        /**
+         * Creates a delay expiration policy.
+         * @param expirationDelayTick the number of tick after which the config will expire. If 0, will expire immediately ; 1 to expire on the next tick.
+         */
         public ExpiresTick(long expirationDelayTick) {
             expirationTick = tick + expirationDelayTick;
         }
 
+        @Override
         protected boolean valid(UUID player, String key) {
             return tick < expirationTick;
         }
     }
 
-    public static class ExpiresServerStop extends Expiration {
+    /**
+     * Expiration policy for a config that expires when the server stops.
+     */
+    public static class ExpiresServerStop extends ExpirationPolicy {
+        /**
+         * Creates a server stop expiration policy.
+         */
+        public ExpiresServerStop() {
+            super();
+        }
+
+        @Override
         protected boolean valid(UUID player, String key) {
             return true;
         }
@@ -103,7 +172,7 @@ public class PlayerNonPersistentConfig {
 
 
     private static class ConfigListeners implements Listener {
-        public ConfigListeners() {
+        private ConfigListeners() {
             Bukkit.getPluginManager().registerEvents(this, PandaLibPaper.getPlugin());
         }
 
@@ -111,7 +180,7 @@ public class PlayerNonPersistentConfig {
         public void onPlayerQuit(PlayerQuitEvent event) {
             data.getOrDefault(event.getPlayer().getUniqueId(), new HashMap<>())
                     .entrySet()
-                    .removeIf(e -> e.getValue().expiration instanceof ExpiresLogout);
+                    .removeIf(e -> e.getValue().expirationPolicy instanceof ExpiresLogout);
         }
 
         @EventHandler
@@ -119,4 +188,9 @@ public class PlayerNonPersistentConfig {
             tick++;
         }
     }
+
+
+
+
+    private PlayerNonPersistentConfig() {}
 }

pandalib-paper/src/main/java/fr/pandacube/lib/paper/reflect/OBCReflect.java

@@ -23,4 +23,6 @@ public class OBCReflect {
 		return Reflect.ofClass(CRAFTBUKKIT_PACKAGE + "." + obcClass);
 	}
 
+	private OBCReflect() { }
+
 }

pandalib-paper/src/main/java/fr/pandacube/lib/paper/reflect/PandalibPaperReflect.java

@@ -64,6 +64,7 @@ import fr.pandacube.lib.paper.reflect.wrapper.minecraft.world.ItemStack;
 import fr.pandacube.lib.paper.reflect.wrapper.minecraft.world.Level;
 import fr.pandacube.lib.paper.reflect.wrapper.minecraft.world.MapItemSavedData;
 import fr.pandacube.lib.paper.reflect.wrapper.minecraft.world.PlayerDataStorage;
+import fr.pandacube.lib.paper.reflect.wrapper.minecraft.world.RegionFileStorage;
 import fr.pandacube.lib.paper.reflect.wrapper.minecraft.world.SavedData;
 import fr.pandacube.lib.paper.reflect.wrapper.minecraft.world.Vec3;
 import fr.pandacube.lib.paper.reflect.wrapper.minecraft.world.VoxelShape;
@@ -72,13 +73,13 @@ import fr.pandacube.lib.paper.reflect.wrapper.minecraft.world.block.Block;
 import fr.pandacube.lib.paper.reflect.wrapper.netty.ByteBuf;
 import fr.pandacube.lib.paper.reflect.wrapper.netty.Unpooled;
 import fr.pandacube.lib.paper.reflect.wrapper.paper.PaperAdventure;
-import fr.pandacube.lib.paper.reflect.wrapper.paper.QueuedChangesMapLong2Object;
 import fr.pandacube.lib.paper.reflect.wrapper.paper.commands.BukkitCommandNode;
 import fr.pandacube.lib.paper.reflect.wrapper.paper.commands.PaperBrigadier;
 import fr.pandacube.lib.paper.reflect.wrapper.paper.commands.PluginCommandNode;
 import fr.pandacube.lib.paper.reflect.wrapper.paper.commands.ShadowBrigNode;
 import fr.pandacube.lib.paper.reflect.wrapper.paper.configuration.FallbackValue_Int;
 import fr.pandacube.lib.paper.reflect.wrapper.paper.configuration.WorldConfiguration;
+import fr.pandacube.lib.paper.reflect.wrapper.spottedleaf.moonrise.ChunkSystemChunkStorage;
 import fr.pandacube.lib.reflect.ReflectionWrapperBypass;
 import fr.pandacube.lib.util.ThrowableAccumulator;
 
@@ -193,6 +194,7 @@ public class PandalibPaperReflect {
         thAcc.catchThrowable(() -> initWrapper(Level.class, Level.REFLECT.get()));
         thAcc.catchThrowable(() -> initWrapper(MapItemSavedData.class, MapItemSavedData.REFLECT.get()));
         thAcc.catchThrowable(() -> initWrapper(PlayerDataStorage.class, PlayerDataStorage.REFLECT.get()));
+        thAcc.catchThrowable(() -> initWrapper(RegionFileStorage.class, RegionFileStorage.REFLECT.get()));
         thAcc.catchThrowable(() -> initWrapper(SavedData.class, SavedData.REFLECT.get()));
         thAcc.catchThrowable(() -> initWrapper(Vec3.class, Vec3.REFLECT.get()));
         thAcc.catchThrowable(() -> initWrapper(VoxelShape.class, VoxelShape.REFLECT.get()));
@@ -216,10 +218,14 @@ public class PandalibPaperReflect {
         thAcc.catchThrowable(() -> initWrapper(WorldConfiguration.Chunks.class, WorldConfiguration.Chunks.REFLECT.get()));
         // paper
         thAcc.catchThrowable(() -> initWrapper(PaperAdventure.class, PaperAdventure.REFLECT.get()));
-        thAcc.catchThrowable(() -> initWrapper(QueuedChangesMapLong2Object.class, QueuedChangesMapLong2Object.REFLECT.get()));
+
+        // spottedleaf
+        thAcc.catchThrowable(() -> initWrapper(ChunkSystemChunkStorage.class, ChunkSystemChunkStorage.REFLECT.get()));
 
 
         thAcc.throwCaught();
 
     }
+
+    private PandalibPaperReflect() {}
 }

pandalib-paper/src/main/java/fr/pandacube/lib/paper/reflect/util/BedrockBambooCollisionFixer.java

@@ -12,11 +12,25 @@ import org.bukkit.event.Listener;
 import org.bukkit.event.block.BlockPlaceEvent;
 import org.bukkit.util.BoundingBox;
 
-// simplified version of https://github.com/Camotoy/BambooCollisionFix/tree/c7d7d5327791cbb416d106de0b9eb0bf2461acbd/src/main/java/net/camotoy/bamboocollisionfix
-// we remove the bamboo bounding box due to bedrock clients not having the same placement for bamboos
+// simplified version of
+
+/**
+ * Disables the server-side bounding box of the bamboo stalk blocks.
+ * Bamboo stalks are the thin bamboo plants that are shifted differently, depending on the X and Z coordinate.
+ * This X/Z dependent shift is different between Java and Bedrock implementation.
+ * But since this block as a collision box and players cannot go through them, Bedrock players are often rolled back
+ * when they are walking around bamboo stalk due to the server being in Java Edition and thinking the player tries to
+ * move through the bamboo.
+ * To avoid this issue, we reduce to 0 the size of the bounding box on the server.
+ * <br>
+ * See <a href="https://github.com/Camotoy/BambooCollisionFix/tree/c7d7d5327791cbb416d106de0b9eb0bf2461acbd/src/main/java/net/camotoy/bamboocollisionfix">the original implementation</a>.
+ */
 public final class BedrockBambooCollisionFixer implements Listener {
     private final BoundingBox originalBambooBoundingBox = new BoundingBox(6.5D / 16D, 0.0D, 6.5D / 16.0D, 9.5D / 16.0D, 1D, 9.5D / 16.0D);
 
+    /**
+     * Creates a new {@link BedrockBambooCollisionFixer}. There is no need for multiple instances.
+     */
     public BedrockBambooCollisionFixer() {
         // Make the bamboo block have zero collision.
         try {
@@ -34,7 +48,7 @@ public final class BedrockBambooCollisionFixer implements Listener {
      * our ability.
      */
     @EventHandler
-    public void onBlockPlace(BlockPlaceEvent event) {
+    void onBlockPlace(BlockPlaceEvent event) {
         if (event.getBlockPlaced().getBlockData().getMaterial().equals(Material.BAMBOO)) {
             BoundingBox currentBambooBoundingBox = originalBambooBoundingBox.clone().shift(event.getBlockPlaced().getLocation());
             for (LivingEntity e : event.getBlock().getLocation().getNearbyLivingEntities(5)) {

pandalib-paper/src/main/java/fr/pandacube/lib/paper/reflect/util/WorldSaveUtil.java

@@ -1,21 +1,24 @@
 package fr.pandacube.lib.paper.reflect.util;
 
-import org.bukkit.Bukkit;
-import org.bukkit.World;
-
 import fr.pandacube.lib.chat.Chat;
 import fr.pandacube.lib.chat.ChatConfig.PandaTheme;
 import fr.pandacube.lib.paper.modules.PerformanceAnalysisManager;
 import fr.pandacube.lib.paper.reflect.wrapper.craftbukkit.CraftWorld;
-import fr.pandacube.lib.paper.reflect.wrapper.minecraft.server.ChunkMap;
+import fr.pandacube.lib.paper.reflect.wrapper.minecraft.server.ServerLevel;
+import fr.pandacube.lib.paper.reflect.wrapper.minecraft.util.ProgressListener;
 import fr.pandacube.lib.reflect.wrapper.ReflectWrapper;
+import org.bukkit.Bukkit;
+import org.bukkit.World;
 
+/**
+ * Provides static methods to save worlds presumably in a better way than Bukkit provides (better flushing, more released RAM).
+ */
 public class WorldSaveUtil {
-	
-	private static ChunkMap getChunkMap(World w) {
-		return ReflectWrapper.wrapTyped(w, CraftWorld.class).getHandle().getChunkSource().chunkMap;
-	}
-	
+
+	/**
+	 * Save the provided world using the NMS {@link ServerLevel#save(ProgressListener, boolean, boolean)} method.
+	 * @param w the world to save.
+	 */
 	public static void nmsSaveFlush(World w) {
 		PerformanceAnalysisManager.getInstance().setAlteredTPSTitle(
 				Chat.text("Sauvegarde map ").color(PandaTheme.CHAT_BROWN_2_SAT).thenData(w.getName()).thenText(" ...")
@@ -27,9 +30,14 @@ public class WorldSaveUtil {
 			PerformanceAnalysisManager.getInstance().setAlteredTPSTitle(null);
 		}
 	}
-	
+
+	/**
+	 * Save all the loaded worlds, using {@link #nmsSaveFlush(World)}.
+	 */
 	public static void nmsSaveAllFlush() {
 		Bukkit.getWorlds().forEach(WorldSaveUtil::nmsSaveFlush);
 	}
+
+	private WorldSaveUtil() {}
 	
 }

pandalib-paper/src/main/java/fr/pandacube/lib/paper/reflect/wrapper/minecraft/world/ChunkStorage.java

@@ -1,6 +1,7 @@
 package fr.pandacube.lib.paper.reflect.wrapper.minecraft.world;
 
 import fr.pandacube.lib.paper.reflect.wrapper.minecraft.nbt.CompoundTag;
+import fr.pandacube.lib.paper.reflect.wrapper.spottedleaf.moonrise.ChunkSystemChunkStorage;
 import fr.pandacube.lib.reflect.Reflect;
 import fr.pandacube.lib.reflect.ReflectClass;
 import fr.pandacube.lib.reflect.ReflectMethod;
@@ -12,17 +13,13 @@ import java.util.concurrent.CompletableFuture;
 import static fr.pandacube.lib.util.ThrowableUtil.wrapEx;
 import static fr.pandacube.lib.util.ThrowableUtil.wrapReflectEx;
 
-public class ChunkStorage extends ReflectWrapper {
+public class ChunkStorage extends ReflectWrapper implements ChunkSystemChunkStorage {
     public static final ReflectClass<?> REFLECT = wrapEx(() -> Reflect.ofClass("net.minecraft.world.level.chunk.storage.ChunkStorage"));
-    private static final ReflectMethod<?> readSync = wrapEx(() -> REFLECT.method("readSync", ChunkPos.REFLECT.get())); // spigot/paper method
-
-    public CompoundTag readSync(ChunkPos pos) {
-        return wrap(wrapReflectEx(() -> readSync.invoke(__getRuntimeInstance(), unwrap(pos))), CompoundTag.class);
-    }
+    private static final ReflectMethod<?> read = wrapEx(() -> REFLECT.method("read", ChunkPos.REFLECT.get())); // spigot/paper method
 
     public CompletableFuture<Optional<CompoundTag>> read(ChunkPos pos) {
         @SuppressWarnings("unchecked")
-        CompletableFuture<Optional<?>> nmsFuture = (CompletableFuture<Optional<?>>) wrapReflectEx(() -> readSync.invoke(__getRuntimeInstance(), unwrap(pos)));
+        CompletableFuture<Optional<?>> nmsFuture = ((CompletableFuture<Optional<?>>) wrapReflectEx(() -> read.invoke(__getRuntimeInstance(), unwrap(pos))));
         return nmsFuture.thenApply(o -> o.map(c -> wrap(c, CompoundTag.class)));
     }
 

pandalib-paper/src/main/java/fr/pandacube/lib/paper/reflect/wrapper/minecraft/world/RegionFileStorage.java

@@ -0,0 +1,23 @@
+package fr.pandacube.lib.paper.reflect.wrapper.minecraft.world;
+
+import fr.pandacube.lib.paper.reflect.wrapper.minecraft.nbt.CompoundTag;
+import fr.pandacube.lib.reflect.Reflect;
+import fr.pandacube.lib.reflect.ReflectClass;
+import fr.pandacube.lib.reflect.ReflectMethod;
+import fr.pandacube.lib.reflect.wrapper.ReflectWrapper;
+
+import static fr.pandacube.lib.util.ThrowableUtil.wrapEx;
+import static fr.pandacube.lib.util.ThrowableUtil.wrapReflectEx;
+
+public class RegionFileStorage extends ReflectWrapper {
+    public static final ReflectClass<?> REFLECT = wrapEx(() -> Reflect.ofClass("net.minecraft.world.level.chunk.storage.RegionFileStorage"));
+    private static final ReflectMethod<?> read = wrapEx(() -> REFLECT.method("read", ChunkPos.REFLECT.get())); // spigot/paper method
+
+    public CompoundTag read(ChunkPos pos) {
+        return wrap(wrapReflectEx(() -> read.invoke(__getRuntimeInstance(), unwrap(pos))), CompoundTag.class);
+    }
+
+    protected RegionFileStorage(Object obj) {
+        super(obj);
+    }
+}

pandalib-paper/src/main/java/fr/pandacube/lib/paper/reflect/wrapper/paper/QueuedChangesMapLong2Object.java

@@ -1,25 +0,0 @@
-package fr.pandacube.lib.paper.reflect.wrapper.paper;
-
-import fr.pandacube.lib.reflect.Reflect;
-import fr.pandacube.lib.reflect.wrapper.ReflectWrapper;
-import fr.pandacube.lib.reflect.ReflectClass;
-import fr.pandacube.lib.reflect.ReflectMethod;
-
-import it.unimi.dsi.fastutil.longs.Long2ObjectLinkedOpenHashMap;
-
-import static fr.pandacube.lib.util.ThrowableUtil.wrapEx;
-import static fr.pandacube.lib.util.ThrowableUtil.wrapReflectEx;
-
-public class QueuedChangesMapLong2Object extends ReflectWrapper {
-    public static final ReflectClass<?> REFLECT = wrapEx(() -> Reflect.ofClass("com.destroystokyo.paper.util.map.QueuedChangesMapLong2Object"));
-    public static final ReflectMethod<?> getVisibleMap = wrapEx(() -> REFLECT.method("getVisibleMap"));
-
-    /** The entries in the returned value are not mapped */
-    public Long2ObjectLinkedOpenHashMap<?> getVisibleMap() {
-        return (Long2ObjectLinkedOpenHashMap<?>) wrapReflectEx(() -> getVisibleMap.invoke(__getRuntimeInstance()));
-    }
-
-    protected QueuedChangesMapLong2Object(Object obj) {
-        super(obj);
-    }
-}

pandalib-paper/src/main/java/fr/pandacube/lib/paper/reflect/wrapper/spottedleaf/moonrise/ChunkSystemChunkStorage.java

@@ -0,0 +1,31 @@
+package fr.pandacube.lib.paper.reflect.wrapper.spottedleaf.moonrise;
+
+import fr.pandacube.lib.paper.reflect.wrapper.minecraft.world.RegionFileStorage;
+import fr.pandacube.lib.reflect.Reflect;
+import fr.pandacube.lib.reflect.ReflectClass;
+import fr.pandacube.lib.reflect.ReflectMethod;
+import fr.pandacube.lib.reflect.wrapper.ConcreteWrapper;
+import fr.pandacube.lib.reflect.wrapper.ReflectWrapper;
+import fr.pandacube.lib.reflect.wrapper.ReflectWrapperI;
+
+import static fr.pandacube.lib.reflect.wrapper.ReflectWrapper.wrap;
+import static fr.pandacube.lib.util.ThrowableUtil.wrapEx;
+import static fr.pandacube.lib.util.ThrowableUtil.wrapReflectEx;
+
+@ConcreteWrapper(ChunkSystemChunkStorage.__concrete.class)
+public interface ChunkSystemChunkStorage extends ReflectWrapperI {
+    ReflectClass<?> REFLECT = wrapEx(() -> Reflect.ofClass("ca.spottedleaf.moonrise.patches.chunk_system.storage.ChunkSystemChunkStorage"));
+    ReflectMethod<?> moonrise$getRegionStorage = wrapEx(() -> REFLECT.method("moonrise$getRegionStorage"));
+
+    default RegionFileStorage moonrise$getRegionStorage() {
+        return wrap(wrapReflectEx(() -> moonrise$getRegionStorage.invoke(__getRuntimeInstance())), RegionFileStorage.class);
+    }
+
+
+
+    class __concrete extends ReflectWrapper implements ChunkSystemChunkStorage {
+        private __concrete(Object obj) {
+            super(obj);
+        }
+    }
+}

pandalib-paper/src/main/java/fr/pandacube/lib/paper/scheduler/SchedulerUtil.java

@@ -69,6 +69,6 @@ public class SchedulerUtil {
 	}
 	
 	
-	
+	private SchedulerUtil() {}
 
 }

pandalib-paper/src/main/java/fr/pandacube/lib/paper/util/AutoUpdatedBossBar.java

@@ -1,9 +1,11 @@
 package fr.pandacube.lib.paper.util;
 
-import java.util.Timer;
-import java.util.TimerTask;
-import java.util.function.Predicate;
-
+import fr.pandacube.lib.chat.Chat;
+import fr.pandacube.lib.paper.PandaLibPaper;
+import fr.pandacube.lib.util.log.Log;
+import net.kyori.adventure.bossbar.BossBar;
+import net.kyori.adventure.bossbar.BossBar.Color;
+import net.kyori.adventure.text.Component;
 import org.bukkit.Bukkit;
 import org.bukkit.entity.Player;
 import org.bukkit.event.EventHandler;
@@ -14,26 +16,37 @@ import org.bukkit.event.player.PlayerQuitEvent;
 import org.bukkit.scheduler.BukkitScheduler;
 import org.bukkit.scheduler.BukkitTask;
 
-import fr.pandacube.lib.chat.Chat;
-import fr.pandacube.lib.util.log.Log;
-import fr.pandacube.lib.paper.PandaLibPaper;
-import net.kyori.adventure.bossbar.BossBar;
-import net.kyori.adventure.bossbar.BossBar.Color;
-import net.kyori.adventure.text.Component;
+import java.util.Timer;
+import java.util.TimerTask;
+import java.util.function.Predicate;
 
+/**
+ * A {@link BossBar} capable of automatically updating itself by registering a {@link BukkitTask} or using a {@link Timer}.
+ */
 public class AutoUpdatedBossBar implements Listener {
-	
+
+	/**
+	 * The boss bar itself.
+	 */
 	public final BossBar bar;
+	/**
+	 * the function executed to update the boss bar.
+	 */
 	public final BarUpdater updater;
-	
+
 	private Timer timer = null;
 	private BukkitTask bukkitTask = null;
 	
 	private boolean scheduled = false;
 	
-	private boolean followPlayerList = false;
+	private LoginLogoutListener followPlayerList = null;
 	private Predicate<Player> playerCondition = null;
-	
+
+	/**
+	 * Wraps the provided boss bar into a new instance of {@link AutoUpdatedBossBar}.
+	 * @param bar the boss bar itself.
+	 * @param updater the updater that will be run to update the boss bar.
+	 */
 	public AutoUpdatedBossBar(BossBar bar, BarUpdater updater) {
 		this.bar = bar;
 		this.updater = updater;
@@ -66,10 +79,9 @@ public class AutoUpdatedBossBar implements Listener {
 	}
 	
 	/**
-	 * Schedule the update of this boss bar with synchronisation with the main Thread of the
-	 * current Minecraft server (follow the tick count progress).
+	 * Schedule the update of this boss bar with synchronisation with the ticking of this Minecraft server.
 	 * The underlying method called is {@link BukkitScheduler#runTaskTimer(org.bukkit.plugin.Plugin, Runnable, long, long)}.
-	 * The updater is executed by the Server Thread.
+	 * The updater is executed by the main Server Thread.
 	 * @param tickDelay number of server tick before running the first update of this boss bar
 	 * @param tickPeriod number of server tick between each call of the updater
 	 */
@@ -90,55 +102,65 @@ public class AutoUpdatedBossBar implements Listener {
 				}, tickDelay, tickPeriod);
 		
 	}
-	
-	
-	
+
+
+	/**
+	 * Auto-update the boss bar on player join and quit.
+	 * @param condition an additional test that if it's true on player join/quit, will actually run the update. Can be null.
+	 */
 	public synchronized void followLoginLogout(Predicate<Player> condition) {
 		playerCondition = condition;
-		if (followPlayerList)
+		if (followPlayerList != null)
 			return;
-		followPlayerList = true;
-		BukkitEvent.register(this);
-		Bukkit.getServer().getOnlinePlayers().forEach(p -> onPlayerJoin(new PlayerJoinEvent(p, Component.text(""))));
+		followPlayerList = new LoginLogoutListener();
+		BukkitEvent.register(followPlayerList);
+		Bukkit.getServer().getOnlinePlayers().forEach(p -> followPlayerList.onPlayerJoin(new PlayerJoinEvent(p, Component.text(""))));
 	}
-	
+
+	/**
+	 * Cancel the auto-update on player join and quit.
+	 */
 	public synchronized void unfollowPlayerList() {
-		if (!followPlayerList)
+		if (followPlayerList == null)
 			return;
-		followPlayerList = false;
 		playerCondition = null;
-		PlayerJoinEvent.getHandlerList().unregister(this);
-		PlayerQuitEvent.getHandlerList().unregister(this);
+		BukkitEvent.unregister(followPlayerList);
+		followPlayerList = null;
 	}
 
-	@EventHandler(priority=EventPriority.MONITOR)
-	public synchronized void onPlayerJoin(PlayerJoinEvent event) {
-		if (!followPlayerList)
-			return;
-		if (playerCondition != null && !playerCondition.test(event.getPlayer()))
-			return;
-		synchronized (bar) {
-			event.getPlayer().showBossBar(bar);
+	private class LoginLogoutListener implements Listener {
+
+		@EventHandler(priority=EventPriority.MONITOR)
+		public void onPlayerJoin(PlayerJoinEvent event) {
+			if (playerCondition != null && !playerCondition.test(event.getPlayer()))
+				return;
+			synchronized (bar) {
+				event.getPlayer().showBossBar(bar);
+			}
 		}
-	}
-	
-	@EventHandler(priority=EventPriority.HIGH)
-	public synchronized void onPlayerQuit(PlayerQuitEvent event) {
-		if (!followPlayerList)
-			return;
-		synchronized (bar) {
-			event.getPlayer().hideBossBar(bar);
+
+		@EventHandler(priority=EventPriority.HIGH)
+		public void onPlayerQuit(PlayerQuitEvent event) {
+			synchronized (bar) {
+				event.getPlayer().hideBossBar(bar);
+			}
 		}
 	}
 
+
+	/**
+	 * Hides this boss bar from all players.
+	 */
 	public void removeAll() {
 		synchronized (bar) {
 			for (Player p : Bukkit.getOnlinePlayers())
 				p.hideBossBar(bar);
 		}
 	}
-	
-	
+
+	/**
+	 * Cancel any auto-updating of this boss bar.
+	 */
 	public synchronized void cancel() {
 		if (!scheduled)
 			return;
@@ -151,13 +173,19 @@ public class AutoUpdatedBossBar implements Listener {
 			bukkitTask.cancel();
 			bukkitTask = null;
 		}
-		
+		unfollowPlayerList();
 	}
-	
-	
-	
+
+
+	/**
+	 * Functional interface taking an instance of {@link AutoUpdatedBossBar} to update it. Returns nothing.
+	 */
 	@FunctionalInterface
 	public interface BarUpdater {
+		/**
+		 * Updates the boss bar.
+		 * @param bar the auto-updated boss bar instance.
+		 */
 		void update(AutoUpdatedBossBar bar);
 	}
 	
@@ -165,6 +193,7 @@ public class AutoUpdatedBossBar implements Listener {
 	
 	/**
 	 * Utility method to update the title of the boss bar without unnecessary packet.
+	 * @param title the new title.
 	 */
 	public void setTitle(Chat title) {
 		synchronized (bar) {
@@ -174,6 +203,7 @@ public class AutoUpdatedBossBar implements Listener {
 	
 	/**
 	 * Utility method to update the color of the boss bar without unnecessary packet.
+	 * @param color the new color.
 	 */
 	public void setColor(Color color) {
 		synchronized (bar) {
@@ -183,6 +213,7 @@ public class AutoUpdatedBossBar implements Listener {
 	
 	/**
 	 * Utility method to update the progress of the boss bar without unnecessary packet.
+	 * @param progress the new progress value.
 	 */
 	public void setProgress(double progress) {
 		synchronized (bar) {

pandalib-paper/src/main/java/fr/pandacube/lib/paper/util/BukkitChatColorUtil.java

@@ -1,72 +0,0 @@
-package fr.pandacube.lib.paper.util;
-
-import net.kyori.adventure.text.format.NamedTextColor;
-import net.kyori.adventure.text.format.TextColor;
-import org.bukkit.ChatColor;
-import org.bukkit.DyeColor;
-
-/**
- * Utility class around chat coloring.
- */
-public class BukkitChatColorUtil {
-
-
-	
-	
-	/**
-	 * Returns the {@link TextColor} that is visually the closest from the provided {@link DyeColor} when used on a sign.
-	 * @param dye the provided dye color
-	 * @return the closest chat color from {@code dye}
-	 */
-	public static TextColor fromDyeToSignColor(DyeColor dye) {
-		// following code invalid due to text color on sign does not use rgb value of dye color.
-		//org.bukkit.Color col = dye.getColor();
-		//return ChatColor.of(new Color(col.asRGB()));
-
-		// the color values are extracted from IG screenshot of dyed text signs.
-		return switch (dye) {
-			case BLACK -> TextColor.fromHexString("#000000");
-			case RED -> TextColor.fromHexString("#650000");
-			case GREEN -> TextColor.fromHexString("#006500");
-			case BROWN -> TextColor.fromHexString("#361B07");
-			case BLUE -> TextColor.fromHexString("#000065");
-			case PURPLE -> TextColor.fromHexString("#3F0C5F");
-			case CYAN -> TextColor.fromHexString("#006565");
-			case LIGHT_GRAY -> TextColor.fromHexString("#535353");
-			case GRAY -> TextColor.fromHexString("#323232");
-			case PINK -> TextColor.fromHexString("#652947");
-			case LIME -> TextColor.fromHexString("#4B6500");
-			case YELLOW -> TextColor.fromHexString("#656500");
-			case LIGHT_BLUE -> TextColor.fromHexString("#3C4B51");
-			case MAGENTA -> TextColor.fromHexString("#650065");
-			case ORANGE -> TextColor.fromHexString("#65280C");
-			case WHITE -> TextColor.fromHexString("#656565");
-		};
-	}
-	
-
-	@SuppressWarnings("deprecation")
-	public static ChatColor toBukkit(net.md_5.bungee.api.ChatColor color) {
-		return ChatColor.valueOf(color.getName().toUpperCase());
-	}
-
-	@SuppressWarnings("deprecation")
-	public static ChatColor toBukkit(TextColor color) {
-		return toBukkit(NamedTextColor.nearestTo(color));
-	}
-
-	@SuppressWarnings("deprecation")
-	public static ChatColor toBukkit(NamedTextColor color) {
-		return ChatColor.valueOf(color.toString().toUpperCase());
-	}
-
-	@SuppressWarnings("deprecation")
-	public static NamedTextColor toAdventure(ChatColor color) {
-		return NamedTextColor.NAMES.value(color.name().toLowerCase());
-	}
-
-	public static NamedTextColor toAdventure(net.md_5.bungee.api.ChatColor color) {
-		return NamedTextColor.NAMES.value(color.getName());
-	}
-	
-}

pandalib-paper/src/main/java/fr/pandacube/lib/paper/util/BukkitEvent.java

@@ -16,45 +16,102 @@ import org.bukkit.scheduler.BukkitTask;
 import fr.pandacube.lib.paper.PandaLibPaper;
 import fr.pandacube.lib.reflect.Reflect;
 
+/**
+ * Utility class to more concisely handle Bukkit Events
+ */
 public class BukkitEvent {
-	
+
+	/**
+	 * Register a single event executor.
+	 * <p>
+	 * The priority if the event executor is {@link EventPriority#NORMAL}.
+	 * Does not ignore cancelled events.
+	 * @param eventClass the class of the event to listen to.
+	 * @param eventExecutor the executor.
+	 * @return the {@link Listener} instance, that is in our case the provided executor.
+	 * @param <E> the event type.
+	 */
 	public static <E extends Event> Listener register(Class<E> eventClass, EventListener<E> eventExecutor) {
 		return register(eventClass, eventExecutor, EventPriority.NORMAL, false);
 	}
-	
+
+	/**
+	 * Register a single event executor.
+	 * <p>
+	 * Does not ignore cancelled events.
+	 * @param eventClass the class of the event to listen to.
+	 * @param eventExecutor the executor.
+	 * @param priority the event priority.
+	 * @return the {@link Listener} instance, that is in our case the provided executor.
+	 * @param <E> the event type.
+	 */
 	public static <E extends Event> Listener register(Class<E> eventClass, EventListener<E> eventExecutor, EventPriority priority) {
 		return register(eventClass, eventExecutor, priority, false);
 	}
-	
+
+	/**
+	 * Register a single event executor.
+	 * <p>
+	 * The priority if the event executor is {@link EventPriority#NORMAL}.
+	 * @param eventClass the class of the event to listen to.
+	 * @param eventExecutor the executor.
+	 * @param ignoreCancelled whether to pass cancelled events or not.
+	 * @return the {@link Listener} instance, that is in our case the provided executor.
+	 * @param <E> the event type.
+	 */
 	public static <E extends Event> Listener register(Class<E> eventClass, EventListener<E> eventExecutor, boolean ignoreCancelled) {
 		return register(eventClass, eventExecutor, EventPriority.NORMAL, ignoreCancelled);
 	}
-	
+
+	/**
+	 * Register a single event executor.
+	 * @param eventClass the class of the event to listen to.
+	 * @param eventExecutor the executor.
+	 * @param priority the event priority.
+	 * @param ignoreCancelled whether to pass cancelled events or not.
+	 * @return the {@link Listener} instance, that is in our case the provided executor.
+	 * @param <E> the event type.
+	 */
 	public static <E extends Event> Listener register(Class<E> eventClass, EventListener<E> eventExecutor, EventPriority priority, boolean ignoreCancelled) {
 		Bukkit.getPluginManager().registerEvent(eventClass, eventExecutor, priority, eventExecutor, PandaLibPaper.getPlugin(), ignoreCancelled);
 		return eventExecutor;
 	}
-	
+
+	/**
+	 * Register a listener.
+	 * This is equivalent to calling {@code Bukkit.getPluginManager().registerEvents(l, PandaLibPaper.getPlugin());}
+	 * @param l the listener.
+	 */
 	public static void register(Listener l) {
 		Bukkit.getPluginManager().registerEvents(l, PandaLibPaper.getPlugin());
 	}
-	
-	
-	
+
+
+	/**
+	 * Unregister a listener
+	 * @param listener the listener to unregister.
+	 */
 	public static void unregister(Listener listener) {
 		HandlerList.unregisterAll(listener);
 	}
-	
 
 
+	/**
+	 * Lists all existing subclasses of {@link Event}.
+	 * @return a list of all existing subclasses of {@link Event}.
+	 */
 	public static List<Class<? extends Event>> getAllEventClasses() {
 		List<Class<? extends Event>> classes = Reflect.ofClass(Event.class).getAllSubclasses(false);
 		classes.removeIf(e -> getHandlerList(e) == null);
 		return classes;
 	}
-	
-	
-	
+
+
+	/**
+	 * Gets the handlerList of the provided Event class.
+	 * @param type the event class.
+	 * @return the handlerList.
+	 */
     // method retrieved from OB.plugin.SimplePluginManager#getEventListeners
     public static HandlerList getHandlerList(Class<? extends Event> type) {
         try {
@@ -81,11 +138,18 @@ public class BukkitEvent {
             return null;
         }
     }
-	
-	
-	
+
+
+	/**
+	 * An single executor event listener. Used for the {@link #register(Class, EventListener)} static method and the other variants.
+	 * @param <E> the event type.
+	 */
 	public interface EventListener<E extends Event> extends Listener, EventExecutor {
-		
+
+		/**
+		 * The event handler.
+		 * @param event the event.
+		 */
 		void onEvent(E event);
 		
 		@SuppressWarnings("unchecked")
@@ -99,12 +163,17 @@ public class BukkitEvent {
 	 * Abstract implementation of {@link EventListener} that ensure as good as it can,
 	 * that it is the last listener called to handle the event.
 	 *
-	 * @param <E> the type of the event
+	 * @param <E> the type of the event.
 	 */
 	public static abstract class EnforcedLastListener<E extends Event> implements EventListener<E> {
 		private final Class<E> eventClass;
 		private final boolean ignoreCancelled;
-		
+
+		/**
+		 * Creates a new {@link EnforcedLastListener}.
+		 * @param eventClass the event to listen.
+		 * @param ignoreCancelled whether to pass cancelled events or not.
+		 */
 		public EnforcedLastListener(Class<E> eventClass, boolean ignoreCancelled) {
 			this.eventClass = eventClass;
 			this.ignoreCancelled = ignoreCancelled;
@@ -143,6 +212,9 @@ public class BukkitEvent {
 			}
 		}
 	}
+
+
+	private BukkitEvent() {}
 	
 
 }

pandalib-paper/src/main/java/fr/pandacube/lib/paper/util/ColorUtil.java

@@ -3,8 +3,13 @@ package fr.pandacube.lib.paper.util;
 import java.util.ArrayList;
 import java.util.List;
 
+import net.kyori.adventure.text.format.TextColor;
 import org.bukkit.Color;
+import org.bukkit.DyeColor;
 
+/**
+ * Color related utility class.
+ */
 public class ColorUtil {
 	
 	/*
@@ -13,9 +18,10 @@ public class ColorUtil {
 	private static final List<Color> rainbowColors = new ArrayList<>();
 	
 	/**
-	 * Get a rainbow color
+	 * Gets a rainbow color.
 	 * @param variation from 0 (include) to 1 (exclude).
 	 * 0 is red, 1/6 is yellow, 2/6 is green, 3/6 is cyan, 4/6 is blue, 5/6 is magenta
+	 * @return the computed rainbow color.
 	 */
 	public static Color getRainbowColor(double variation) {
 		synchronized (rainbowColors) {
@@ -34,16 +40,42 @@ public class ColorUtil {
 		
 		return rainbowColors.get((int)(variation * rainbowColors.size()));
 	}
+
+
+
+	/**
+	 * Returns the {@link TextColor} that is visually the closest from the provided {@link DyeColor} when used on a sign.
+	 * @param dye the provided dye color
+	 * @return the closest chat color from {@code dye}
+	 */
+	public static TextColor getTextColorOfDyedSign(DyeColor dye) {
+		// following code invalid due to text color on sign does not use rgb value of dye color.
+		//org.bukkit.Color col = dye.getColor();
+		//return ChatColor.of(new Color(col.asRGB()));
+
+		// the color values are extracted from IG screenshot of dyed text signs.
+		return switch (dye) {
+			case BLACK -> TextColor.fromHexString("#000000");
+			case RED -> TextColor.fromHexString("#650000");
+			case GREEN -> TextColor.fromHexString("#006500");
+			case BROWN -> TextColor.fromHexString("#361B07");
+			case BLUE -> TextColor.fromHexString("#000065");
+			case PURPLE -> TextColor.fromHexString("#3F0C5F");
+			case CYAN -> TextColor.fromHexString("#006565");
+			case LIGHT_GRAY -> TextColor.fromHexString("#535353");
+			case GRAY -> TextColor.fromHexString("#323232");
+			case PINK -> TextColor.fromHexString("#652947");
+			case LIME -> TextColor.fromHexString("#4B6500");
+			case YELLOW -> TextColor.fromHexString("#656500");
+			case LIGHT_BLUE -> TextColor.fromHexString("#3C4B51");
+			case MAGENTA -> TextColor.fromHexString("#650065");
+			case ORANGE -> TextColor.fromHexString("#65280C");
+			case WHITE -> TextColor.fromHexString("#656565");
+		};
+	}
+
+
 	
-	
-	
-	
-	
-	
-	
-	
-	
-	
-	
+	private ColorUtil() {}
 
 }

pandalib-paper/src/main/java/fr/pandacube/lib/paper/util/EntityStackUtil.java

@@ -1,49 +0,0 @@
-package fr.pandacube.lib.paper.util;
-
-import org.bukkit.Location;
-import org.bukkit.entity.Entity;
-
-/**
- * Utility class to handle stacks of entities. A stack an entity is when an entity is mounting onto another one.
- * For instance, a player mounting a horse. We also say that the horse is the vehicle of the player.
- */
-public class EntityStackUtil {
-
-	/**
-	 * Teleport a stack of entity, all at once.
-	 *
-	 * @param e An entity that is part of the stack to teleport.
-	 * @param l The location where to send the entity stack.
-	 * @deprecated This method has not been tested since a long time ago.
-	 */
-	@Deprecated
-	public static void teleportStack(Entity e, Location l) {
-
-		// on se place sur l'entité tout en bas de la pile
-		Entity entTemp = e;
-		while (entTemp.getVehicle() != null)
-			entTemp = entTemp.getVehicle();
-		
-		/* La possibilité d'avoir plusieurs passagers sur une entité rend le code
-		 * commenté qui suit invalide. On le remplace temporairement (voire
-		 * définitivement si ça suffit) par le code encore en dessous
-		List<Entity> stack = new ArrayList<>();
-		do {
-			stack.add(entTemp);
-			entTemp = entTemp.getPassenger();
-		} while (entTemp != null);
-
-		if (stack.size() == 1) {
-			stack.get(0).teleport(l);
-			return;
-		}
-
-		stack.get(0).eject();
-		stack.get(0).teleport(l);
-		stack.get(0).setPassenger(stack.get(1));
-		*/
-		
-		entTemp.teleport(l); // entTemp est l'entité le plus en bas de la "pile" d'entité
-	}
-
-}

pandalib-paper/src/main/java/fr/pandacube/lib/paper/util/ExperienceUtil.java

@@ -54,12 +54,12 @@ public class ExperienceUtil {
 
 	/**
 	 * @see <a href="http://minecraft.gamepedia.com/Experience#Leveling_up">Experience (#leveling up) - Minecraft Wiki</a>
-	 *
-	 *      "The formulas for figuring out how many experience orbs you need to
+	 * <p>
+	 * <q>The formulas for figuring out how many experience orbs you need to
 	 *      get to the next level are as follows:
 	 *      Experience Required = 2[Current Level] + 7 (at levels 0-15)
 	 *      5[Current Level] - 38 (at levels 16-30)
-	 *      9[Current Level] - 158 (at level 31+)"
+	 *      9[Current Level] - 158 (at level 31+)</q>
 	 */
 	private static int getExpToNext(int level) {
 		if (level > 30) return 9 * level - 158;
@@ -89,4 +89,7 @@ public class ExperienceUtil {
 		player.setExp((float) (levelAndExp - level));
 	}
 
+
+	private ExperienceUtil() {}
+
 }

pandalib-paper/src/main/java/fr/pandacube/lib/paper/util/GameWorldUtils.java

@@ -1,116 +0,0 @@
-package fr.pandacube.lib.paper.util;
-
-import java.io.File;
-import java.io.IOException;
-import java.util.ArrayList;
-import java.util.function.Consumer;
-
-import org.bukkit.Bukkit;
-import org.bukkit.World;
-import org.bukkit.World.Environment;
-import org.bukkit.WorldCreator;
-import org.bukkit.entity.Player;
-import org.bukkit.event.Listener;
-
-import fr.pandacube.lib.util.BiMap;
-import fr.pandacube.lib.util.FileUtils;
-import fr.pandacube.lib.util.log.Log;
-import fr.pandacube.lib.util.RandomUtil;
-
-public class GameWorldUtils implements Listener {
-	
-	private static final BiMap<String, World> gameWorld = new BiMap<>();
-	
-	
-	public static World getOrLoadGameWorld(String world, Consumer<World> operationOnLoad) throws IOException {
-		if (gameWorld.containsKey(world)) {
-			return gameWorld.get(world);
-		}
-		try {
-			return loadGameWorld(world, operationOnLoad);
-		} catch (IllegalStateException e) {
-			Log.severe(e);
-			return null;
-		}
-	}
-	
-	
-	
-	
-	public static World getGameWorldIfLoaded(String world) {
-		if (gameWorld.containsKey(world)) {
-			return gameWorld.get(world);
-		}
-		return null;
-	}
-	
-	
-	
-	
-	public static boolean unloadGameWorld(String world) {
-		if (gameWorld.containsKey(world)) {
-			World rem = gameWorld.remove(world);
-			String copiedName = rem.getName();
-			boolean ret = Bukkit.unloadWorld(rem, false);
-			if (ret)
-				FileUtils.delete(new File(Bukkit.getWorldContainer(), copiedName));
-			else
-				Log.warning("Unable to unload game world " + copiedName + " for some reason.");
-			return ret;
-		}
-		return true;
-	}
-
-
-
-	public static void unloadUnusedGameWorlds() {
-		for (String world : new ArrayList<>(gameWorld.keySet())) {
-			World rem = gameWorld.get(world);
-			if (rem.getPlayers().stream().noneMatch(Player::isOnline)) {
-				unloadGameWorld(world);
-			}
-		}
-	}
-	
-	
-	
-	
-	public static boolean isGameWorldLoaded(String world) {
-		return gameWorld.containsKey(world);
-	}
-	
-	
-	
-	private static World loadGameWorld(String world, Consumer<World> operationOnLoad) throws IOException {
-		if (gameWorld.containsKey(world))
-			throw new IllegalStateException("GameWorld '"+world+"' is already loaded.");
-		
-		if (!new File(Bukkit.getWorldContainer(), world).isDirectory())
-			throw new IllegalStateException("GameWorld '"+world+"' does not exist");
-		
-		String copiedName = world + "_gen" + RandomUtil.rand.nextInt(100000, 999999);
-		
-		File srcDir = new File(Bukkit.getWorldContainer(), world);
-		File destDir = new File(Bukkit.getWorldContainer(), copiedName);
-		FileUtils.delete(destDir);
-		FileUtils.copy(srcDir, destDir);
-		new File(destDir, "session.lock").delete();
-		new File(destDir, "uid.dat").delete();
-		
-		World w = Bukkit.createWorld(new WorldCreator(copiedName).environment(Environment.NORMAL));
-		if (w == null) {
-			throw new RuntimeException("Unable to create the world " + copiedName + ": Bukkit.createWorld(...) returned null value.");
-		}
-		w.setAutoSave(false);
-		gameWorld.put(world, w);
-		if (Bukkit.getPluginManager().getPlugin("Multiverse-Core") != null)
-			Bukkit.dispatchCommand(Bukkit.getConsoleSender(), "mvm set hidden true "+copiedName);
-		operationOnLoad.accept(w);
-		return w;
-	}
-	
-	
-	
-	
-	
-}

pandalib-paper/src/main/java/fr/pandacube/lib/paper/util/LocationUtil.java

@@ -1,12 +1,7 @@
 package fr.pandacube.lib.paper.util;
 
-import java.util.EnumSet;
-import java.util.Set;
-import java.util.concurrent.CompletableFuture;
-import java.util.concurrent.atomic.AtomicInteger;
-import java.util.concurrent.atomic.AtomicReference;
-import java.util.function.Predicate;
-
+import fr.pandacube.lib.paper.PandaLibPaper;
+import fr.pandacube.lib.util.RandomUtil;
 import org.bukkit.Bukkit;
 import org.bukkit.Location;
 import org.bukkit.Material;
@@ -17,20 +12,35 @@ import org.bukkit.block.Block;
 import org.bukkit.block.BlockFace;
 import org.bukkit.scheduler.BukkitTask;
 
-import fr.pandacube.lib.util.RandomUtil;
-import fr.pandacube.lib.paper.PandaLibPaper;
+import java.util.Set;
+import java.util.concurrent.CompletableFuture;
+import java.util.concurrent.atomic.AtomicInteger;
+import java.util.concurrent.atomic.AtomicReference;
+import java.util.function.Predicate;
 
+/**
+ * Utility class related to {@link Location}.
+ */
 public class LocationUtil {
-	
+
+	/**
+	 * Gets a concise {@link String} representation of a {@link Location}.
+	 * <p>
+	 * The format is {@code (worldName, 12, 45, -1304)}. The coordinates are those of the containing block (the values
+	 * are cast to int).
+	 * @param loc the location.
+	 * @return a short string representation of the location.
+	 */
 	public static String conciseToString(Location loc) {
 		String world = loc.getWorld() == null ? "null" : loc.getWorld().getName();
 		return "(" + world + ", " + loc.getBlockX() + ", " + loc.getBlockY() + ", " + loc.getBlockZ() + ")";
 	}
 	/**
-	 * Return a random secure location in the provided world, inside the current
-	 * WorldBorder. Will be on the surface, for non-nether world, or below the roof of the nether world
-	 * @param w the world in which to pick a location
-	 * @param extraSecureCheck provides extra checks to determine location security
+	 * Return a random secure location in the provided world, inside the current WorldBorder of the world.
+	 * Will be on the surface, for non-nether world, or below the roof of the nether world.
+	 * @param w the world in which to pick a location.
+	 * @param extraSecureCheck provides extra checks to determine location security.
+	 * @return a future that will provide a random secure location.
 	 */
 	public static CompletableFuture<Location> getRandomSecureLocation(World w, Predicate<Location> extraSecureCheck) {
 
@@ -48,6 +58,17 @@ public class LocationUtil {
 	
 
 	private static final int maxTryBeforeCancelRandomLocation = 75;
+
+	/**
+	 * Return a random secure location in the provided world, inside the bounding box defined by min and max.
+	 * Will be on the surface (the height limits of the bounding box are ignored), for non-nether world, or below the
+	 * roof of the nether world.
+	 * @param w the world in which to pick a location.
+	 * @param min the min of the bounding box.
+	 * @param max the max of the bounding box.
+	 * @param extraSecureCheck provides extra checks to determine location security.
+	 * @return a future that will provide a random secure location.
+	 */
 	public static CompletableFuture<Location> getRandomSecureLocation(World w, Location min, Location max, Predicate<Location> extraSecureCheck) {
 
 		CompletableFuture<Location> future = new CompletableFuture<>();
@@ -94,12 +115,12 @@ public class LocationUtil {
 	
 
 	/**
-	 * 
-	 * @param l the source location
-	 * @return a secure location with the same X and Z coordinate as the
+	 * Try to get a secure location with the same X and Z coordinate as the
 	 * provided location, but Y modified to ensure security for player
 	 * who will be teleported to this location.
 	 * May return null if it is impossible to find a secure location.
+	 * @param l the source location
+	 * @return a secure location, or null if not found around the provided location.
 	 */
 	public static Location getSecureLocationOrNull(Location l) {
 		l = l.clone();
@@ -112,7 +133,13 @@ public class LocationUtil {
 		return currPosSafe(b) ? b.getLocation().add(0.5, 0, 0.5) : null;
 		
 	}
-	
+
+	/**
+	 * Tells if the provided block is a safe block to spawn/be teleported in.
+	 * More specifically, this block and its block above is air, and the block below is a non-lethal solid block.
+	 * @param b the block to test.
+	 * @return true if the provided block is a safe block to spawn/be teleported in, false otherwise.
+	 */
 	public static boolean currPosSafe(Block b) {
 		return b.getY() >= b.getWorld().getMinHeight() + 1 && b.getY() <= b.getWorld().getMaxHeight()
 				&& isSecureFloor(b.getRelative(BlockFace.DOWN))
@@ -120,10 +147,10 @@ public class LocationUtil {
 				&& isAir(b.getRelative(BlockFace.UP));
 	}
 	
-	public static boolean isAir(Block b) { return b.getType() == Material.AIR; }
-	public static boolean isSecureFloor(Block b) { return !isAir(b) && !dangerousBlocks.contains(b.getType()); }
+	private static boolean isAir(Block b) { return b.getType() == Material.AIR; }
+	private static boolean isSecureFloor(Block b) { return !isAir(b) && !dangerousBlocks.contains(b.getType()); }
 	
-	public static final Set<Material> dangerousBlocks = EnumSet.of(
+	private static final Set<Material> dangerousBlocks = Set.of(
 			Material.LAVA,
 			Material.WATER,
 			Material.COBWEB,
@@ -137,21 +164,6 @@ public class LocationUtil {
 			Material.NETHER_PORTAL,
 			Material.END_GATEWAY
 	);
-	
-	
-	
-	
-
-	/**
-	 * Check if the {@link Location} l is inside the cuboid formed by the 2 others
-	 * Locations min and max.
-	 * @return true if l is inside the cuboid min-max
-	 */
-	public static boolean isIn(Location l, Location min, Location max) {
-		return (l.getWorld().equals(min.getWorld()) && l.getWorld().equals(max.getWorld()) && l.getX() >= min.getX()
-				&& l.getX() <= max.getX() && l.getY() >= min.getY() && l.getY() <= max.getY() && l.getZ() >= min.getZ()
-				&& l.getZ() <= max.getZ());
-	}
 
 	
 	
@@ -160,14 +172,18 @@ public class LocationUtil {
 	
 	/**
 	 * Return a new location based on the linear interpolation between p0 and p1, according to the value c.
-	 * @param c between 0 and 1. If 0, it returns p0 and if 1, returns p1. Other finite numbers are allowed, but the returned location won't be part of the {@code [p0;p1]} segment.
+	 * @param p0 the first location.
+	 * @param p1 the second location.
+	 * @param c between 0 and 1. If 0, it returns p0 and if 1, returns p1. All finite numbers are allowed.
 	 * @return The location, linearly interpolated between p0 and p1 with the value c. The yaw and pitch in the returned location are those of p0.
 	 * @throws IllegalArgumentException if the provided locations are not in the same world.
 	 */
 	public static Location lerp(Location p0, Location p1, float c) {
 		return p0.clone().add(p1.clone().subtract(p0).multiply(c));
 	}
-	
+
+
+	private LocationUtil() {}
 	
 
 }

pandalib-paper/src/main/java/fr/pandacube/lib/paper/util/MaterialUtil.java

@@ -1,13 +1,29 @@
 package fr.pandacube.lib.paper.util;
 
 import org.bukkit.Material;
+import org.bukkit.block.data.BlockData;
+import org.bukkit.block.data.type.HangingSign;
 import org.bukkit.block.data.type.Sign;
 import org.bukkit.block.data.type.WallSign;
 
+import java.util.Set;
+
+/**
+ * Utility class around {@link Material}.
+ */
 public class MaterialUtil {
-	
+
+	private static final Set<Class<? extends BlockData>> signBlockDataTypes = Set.of(WallSign.class, Sign.class, HangingSign.class);
+
+	/**
+	 * Tells if the provided {@link Material} is a sign, a wall sign or a hanging sign.
+	 * @param m the material.
+	 * @return true if the material is a kind of sign.
+	 */
 	public static boolean isSign(Material m) {
-		return WallSign.class.equals(m.data) || Sign.class.equals(m.data);
+		return signBlockDataTypes.contains(m.data);
 	}
 
+	private MaterialUtil() {}
+
 }

pandalib-paper/src/main/java/fr/pandacube/lib/paper/util/ScoreboardUtil.java

@@ -116,9 +116,9 @@ public class ScoreboardUtil {
 	public static void updateScoreboardSidebar(Scoreboard scBrd, Chat title, Chat[] lines) {
 		Component[] cmpLines = new Component[lines.length];
 		for (int i = 0; i < lines.length; i++) {
-			cmpLines[i] = lines[i].getAdv();
+			cmpLines[i] = lines[i].get();
 		}
-		updateScoreboardSidebar(scBrd, title.getAdv(), cmpLines);
+		updateScoreboardSidebar(scBrd, title.get(), cmpLines);
 	}
 
 
@@ -135,11 +135,13 @@ public class ScoreboardUtil {
 	public static void updateScoreboardSidebar(Scoreboard scBrd, Chat title, List<Chat> lines) {
 		Component[] cmpLines = new Component[lines.size()];
 		for (int i = 0; i < cmpLines.length; i++) {
-			cmpLines[i] = lines.get(i).getAdv();
+			cmpLines[i] = lines.get(i).get();
 		}
-		updateScoreboardSidebar(scBrd, title.getAdv(), cmpLines);
+		updateScoreboardSidebar(scBrd, title.get(), cmpLines);
 	}
 	
-	
+
+
+	private ScoreboardUtil() {}
 
 }

pandalib-paper/src/main/java/fr/pandacube/lib/paper/util/Skull.java

@@ -24,40 +24,73 @@ import fr.pandacube.lib.chat.Chat;
  */
 public enum Skull {
 
+    /** Standard skull of player MHF_ArrowLeft. */
     ARROW_LEFT("MHF_ArrowLeft"),
+    /** Standard skull of player MHF_ArrowRight. */
     ARROW_RIGHT("MHF_ArrowRight"),
+    /** Standard skull of player MHF_ArrowUp. */
     ARROW_UP("MHF_ArrowUp"),
+    /** Standard skull of player MHF_ArrowDown. */
     ARROW_DOWN("MHF_ArrowDown"),
+    /** Standard skull of player MHF_Question. */
     QUESTION("MHF_Question"),
+    /** Standard skull of player MHF_Exclamation. */
     EXCLAMATION("MHF_Exclamation"),
+    /** Standard skull of player FHG_Cam. */
     CAMERA("FHG_Cam"),
 
+    /** Standard skull of player MHF_PigZombie. */
     ZOMBIE_PIGMAN("MHF_PigZombie"),
+    /** Standard skull of player MHF_Pig. */
     PIG("MHF_Pig"),
+    /** Standard skull of player MHF_Sheep. */
     SHEEP("MHF_Sheep"),
+    /** Standard skull of player MHF_Blaze. */
     BLAZE("MHF_Blaze"),
+    /** Standard skull of player MHF_Chicken. */
     CHICKEN("MHF_Chicken"),
+    /** Standard skull of player MHF_Cow. */
     COW("MHF_Cow"),
+    /** Standard skull of player MHF_Slime. */
     SLIME("MHF_Slime"),
+    /** Standard skull of player MHF_Spider. */
     SPIDER("MHF_Spider"),
+    /** Standard skull of player MHF_Squid. */
     SQUID("MHF_Squid"),
+    /** Standard skull of player MHF_Villager. */
     VILLAGER("MHF_Villager"),
+    /** Standard skull of player MHF_Ocelot. */
     OCELOT("MHF_Ocelot"),
+    /** Standard skull of player MHF_Herobrine. */
     HEROBRINE("MHF_Herobrine"),
+    /** Standard skull of player MHF_LavaSlime. */
     LAVA_SLIME("MHF_LavaSlime"),
+    /** Standard skull of player MHF_MushroomCow. */
     MOOSHROOM("MHF_MushroomCow"),
+    /** Standard skull of player MHF_Golem. */
     GOLEM("MHF_Golem"),
+    /** Standard skull of player MHF_Ghast. */
     GHAST("MHF_Ghast"),
+    /** Standard skull of player MHF_Enderman. */
     ENDERMAN("MHF_Enderman"),
+    /** Standard skull of player MHF_CaveSpider. */
     CAVE_SPIDER("MHF_CaveSpider"),
 
+    /** Standard skull of player MHF_Cactus. */
     CACTUS("MHF_Cactus"),
+    /** Standard skull of player MHF_Cake. */
     CAKE("MHF_Cake"),
+    /** Standard skull of player MHF_Chest. */
     CHEST("MHF_Chest"),
+    /** Standard skull of player MHF_Melon. */
     MELON("MHF_Melon"),
+    /** Standard skull of player MHF_OakLog. */
     LOG("MHF_OakLog"),
+    /** Standard skull of player MHF_Pumpkin. */
     PUMPKIN("MHF_Pumpkin"),
+    /** Standard skull of player MHF_TNT. */
     TNT("MHF_TNT"),
+    /** Standard skull of player MHF_TNT2. */
     DYNAMITE("MHF_TNT2");
 
     private final String name;
@@ -76,7 +109,8 @@ public enum Skull {
     }
     /**
      * Return the item based on this Skull enum, with the provided display name and lore.
-     *
+     * @param displayName the display name to add to the returned skull.
+     * @param lore the lore to add to the returned skull.
      * @return item stack
      */
     public ItemStack get(Chat displayName, List<Chat> lore) {
@@ -89,6 +123,8 @@ public enum Skull {
      * Return a skull of a player based on their name.
      *
      * @param name player's name
+     * @param displayName the display name to add to the returned skull.
+     * @param lore the lore to add to the returned skull.
      * @return item stack
      */
 	public static ItemStack getFromPlayerName(String name, Chat displayName, List<Chat> lore) {
@@ -99,10 +135,10 @@ public enum Skull {
         boolean b = meta.setOwner(name);
         
         if (displayName != null)
-        	meta.displayName(displayName.getAdv());
+        	meta.displayName(displayName.get());
         
         if (lore != null)
-        	meta.lore(lore.stream().map(Chat::getAdv).collect(Collectors.toList()));
+        	meta.lore(lore.stream().map(Chat::get).collect(Collectors.toList()));
         
         itemStack.setItemMeta(meta);
         return itemStack;
@@ -120,8 +156,7 @@ public enum Skull {
 
     /**
      * Return a skull that has a custom texture specified by url.
-     *
-     * @param url skin url
+     * @param url skin url.
      * @return item stack
      */
     public static ItemStack getFromSkinURL(String url) {
@@ -131,11 +166,13 @@ public enum Skull {
     /**
      * Return a skull that has a custom texture specified by url.
      *
-     * @param url the skin full url
+     * @param url the skin full url.
+     * @param displayName the display name to add to the returned skull.
+     * @param lore the lore to add to the returned skull.
      * @return item stack
      */
-    public static ItemStack getFromSkinURL(String url, Chat name, List<Chat> lore) {
-        return getFromBase64String(Base64.getEncoder().encodeToString(String.format("{\"textures\":{\"SKIN\":{\"url\":\"%s\"}}}", url).getBytes()), name, lore);
+    public static ItemStack getFromSkinURL(String url, Chat displayName, List<Chat> lore) {
+        return getFromBase64String(Base64.getEncoder().encodeToString(String.format("{\"textures\":{\"SKIN\":{\"url\":\"%s\"}}}", url).getBytes()), displayName, lore);
     }
     
     
@@ -148,7 +185,7 @@ public enum Skull {
     /**
      * Return a skull that has a custom texture specified by a base64 String.
      *
-     * @param str the base64 string from game profile information
+     * @param str the base64 string from game profile information.
      * @return item stack
      */
     public static ItemStack getFromBase64String(String str) {
@@ -159,7 +196,9 @@ public enum Skull {
     /**
      * Return a skull that has a custom texture specified by a base64 String.
      *
-     * @param str the base64 string from game profile information
+     * @param str the base64 string from game profile information.
+     * @param displayName the display name to add to the returned skull.
+     * @param lore the lore to add to the returned skull.
      * @return item stack
      */
     public static ItemStack getFromBase64String(String str, Chat displayName, List<Chat> lore) {
@@ -172,10 +211,10 @@ public enum Skull {
         headMeta.setPlayerProfile(profile);
         
         if (displayName != null)
-        	headMeta.displayName(displayName.getAdv());
+        	headMeta.displayName(displayName.get());
         
         if (lore != null)
-        	headMeta.lore(lore.stream().map(Chat::getAdv).collect(Collectors.toList()));
+        	headMeta.lore(lore.stream().map(Chat::get).collect(Collectors.toList()));
         
         head.setItemMeta(headMeta);
         

pandalib-paper/src/main/java/fr/pandacube/lib/paper/world/ChunkCoord.java

@@ -5,8 +5,17 @@ import org.bukkit.World;
 
 import java.util.concurrent.CompletableFuture;
 
+/**
+ * Represents a XZ chunk coordinates.
+ * @param x the x coordinate.
+ * @param z the z coordinate.
+ */
 public record ChunkCoord(int x, int z) {
 
+    /**
+     * Creates the {@link ChunkCoord} of a {@link Chunk}.
+     * @param c the chunks from which to get its coordinates.
+     */
     public ChunkCoord(Chunk c) {
         this(c.getX(), c.getZ());
     }
@@ -16,22 +25,48 @@ public record ChunkCoord(int x, int z) {
         return "(" + x + ";" + z + ")";
     }
 
+    /**
+     * Gets the coordinates of the region file.
+     * @return the {@link RegionCoord}.
+     */
     public RegionCoord getRegionCoord() {
         return new RegionCoord(x >> 5, z >> 5);
     }
 
+    /**
+     * Get the {@link Chunk} at this coordinate in the provided World.
+     * @param w the {@link World}.
+     * @return a chunk, using {@link World#getChunkAt(int, int)}.
+     */
     public Chunk getChunk(World w) {
         return w.getChunkAt(x, z);
     }
 
+    /**
+     * Get the {@link Chunk} at this coordinate in the provided World.
+     * @param w the {@link World}.
+     * @param generate Whether the chunk should be fully generated or not.
+     * @return a chunk, using {@link World#getChunkAt(int, int, boolean)}.
+     */
     public Chunk getChunk(World w, boolean generate) {
         return w.getChunkAt(x, z, generate);
     }
 
+    /**
+     * Get the {@link Chunk} at this coordinate in the provided World, asynchronously.
+     * @param w the {@link World}.
+     * @return a completable future of a chunk, using {@link World#getChunkAtAsync(int, int)}.
+     */
     public CompletableFuture<Chunk> getChunkAsync(World w) {
         return w.getChunkAtAsync(x, z);
     }
 
+    /**
+     * Get the {@link Chunk} at this coordinate in the provided World, asynchronously.
+     * @param w the {@link World}.
+     * @param generate Whether the chunk should be fully generated or not.
+     * @return a completable future of a chunk, using {@link World#getChunkAtAsync(int, int, boolean)}.
+     */
     public CompletableFuture<Chunk> getChunkAsync(World w, boolean generate) {
         return w.getChunkAtAsync(x, z, generate);
     }

pandalib-paper/src/main/java/fr/pandacube/lib/paper/world/PrimaryWorlds.java

@@ -1,4 +1,4 @@
-package fr.pandacube.lib.paper.reflect.util;
+package fr.pandacube.lib.paper.world;
 
 import fr.pandacube.lib.paper.reflect.wrapper.craftbukkit.CraftServer;
 import fr.pandacube.lib.reflect.wrapper.ReflectWrapper;
@@ -36,5 +36,5 @@ public class PrimaryWorlds {
 	}
 	
 
-	
+	private PrimaryWorlds() {}
 }

pandalib-paper/src/main/java/fr/pandacube/lib/paper/world/RegionCoord.java

@@ -3,20 +3,42 @@ package fr.pandacube.lib.paper.world;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
+/**
+ * Represents a XZ region coordinates.
+ * @param x the x coordinate.
+ * @param z the z coordinate.
+ */
 public record RegionCoord(int x, int z) {
 
+	/**
+	 * Gets the <a href="https://en.wikipedia.org/wiki/Chebyshev_distance">Chebyshev distance</a> from this region to the center (0, 0) region.
+	 * The unit is one region, i.e. the region (1, 0) has a distance of 1 from the center.
+	 * @return the distance.
+	 */
 	public int distToCenter() {
 		return Math.max(Math.abs(x), Math.abs(z));
 	}
 
+	/**
+	 * Gets the file name that store this region.
+	 * @return the region file name.
+	 */
 	public String getFileName() {
 		return "r." + x + "." + z + ".mca";
 	}
 
+	/**
+	 * Gets the chunk with the lowest coordinates of this region.
+	 * @return the chunk with the lowest coordinates of this region.
+	 */
 	public ChunkCoord getMinChunk() {
 		return new ChunkCoord(x << 5, z << 5);
 	}
 
+	/**
+	 * Gets the chunk with the highest coordinates of this region.
+	 * @return the chunk with the highest coordinates of this region.
+	 */
 	public ChunkCoord getMaxChunk() {
 		return new ChunkCoord(x << 5 | 31, z << 5 | 31);
 	}
@@ -25,6 +47,12 @@ public record RegionCoord(int x, int z) {
 
 	private static final Pattern REGION_FILE_NAME_PATTERN = Pattern.compile("^r\\.(-?[0-9]+)\\.(-?[0-9]+)\\.mca$");
 
+	/**
+	 * Parse the coordinate from a region file name.
+	 * @param name the name of the file to parse
+	 * @return a new {@link RegionCoord}
+	 * @throws IllegalArgumentException if the provided file name is not a valid MCA file name (including the extension).
+	 */
 	public static RegionCoord fromFileName(String name) {
 		Matcher m = REGION_FILE_NAME_PATTERN.matcher(name);
 		if (m.find()) {

pandalib-paper/src/main/java/fr/pandacube/lib/paper/world/TemplatedWorldHandler.java

@@ -0,0 +1,145 @@
+package fr.pandacube.lib.paper.world;
+
+import fr.pandacube.lib.util.FileUtils;
+import fr.pandacube.lib.util.RandomUtil;
+import fr.pandacube.lib.util.log.Log;
+import org.bukkit.Bukkit;
+import org.bukkit.World;
+import org.bukkit.World.Environment;
+import org.bukkit.WorldCreator;
+import org.bukkit.entity.Player;
+import org.bukkit.event.Listener;
+
+import java.io.File;
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.function.Consumer;
+
+/**
+ * Handles worlds that are loaded temporarily and based on a template. Useful for mini-game servers.
+ */
+public class TemplatedWorldHandler implements Listener {
+	
+	private static final Map<String, World> loadedWorlds = new HashMap<>();
+
+
+	/**
+	 * Gets a world based on the provided template world.
+	 * <p>
+	 * If a world based on the template is already loaded, it will be returned.
+	 * If there is no world loaded based on the template, the template world will be copied with a temporary name, and
+	 * loaded like a regular world with {@link Bukkit#createWorld(WorldCreator)}.
+	 * Only one copy per template can be loaded per server instance.
+	 * @param templateWorld the template name of the world, that is the name of the original world's folder.
+	 * @param operationOnLoad an optional consumer executed if a world is loaded (it is ignored if a copy of the template is already loaded).
+	 * @return a World instance based on a copy of the provided world.
+	 * @throws IOException if an error occurs while loading a world.
+	 */
+	public static World getOrLoadWorld(String templateWorld, Consumer<World> operationOnLoad) throws IOException {
+		if (loadedWorlds.containsKey(templateWorld)) {
+			return loadedWorlds.get(templateWorld);
+		}
+		try {
+			return loadGameWorld(templateWorld, operationOnLoad);
+		} catch (IllegalStateException e) {
+			Log.severe(e);
+			return null;
+		}
+	}
+
+
+	/**
+	 * Gets the already-loaded world based on the provided template world.
+	 * @param templateWorld the template name of the world, that is the name of the original world's folder.
+	 * @return a World instance based on a copy of the provided world, or null if there is none loaded yet.
+	 */
+	public static World getWorldIfLoaded(String templateWorld) {
+		if (loadedWorlds.containsKey(templateWorld)) {
+			return loadedWorlds.get(templateWorld);
+		}
+		return null;
+	}
+
+
+	/**
+	 * Unload the world based on the provided template world.
+	 * Do nothing if there is no loaded wold based on the provided template.
+	 * After unloading using {@link Bukkit#unloadWorld(World, boolean)}, the copy of the template is deleted.
+	 * @param templateWorld the template name of the world, that is the name of the original world's folder.
+	 * @return true if the world was unloaded successfully (or there were no world to unload), false if the unloading
+	 * failed ({@link Bukkit#unloadWorld(World, boolean)} returned false).
+	 */
+	public static boolean unloadWorld(String templateWorld) {
+		if (loadedWorlds.containsKey(templateWorld)) {
+			World rem = loadedWorlds.remove(templateWorld);
+			String copiedName = rem.getName();
+			boolean ret = Bukkit.unloadWorld(rem, false);
+			if (ret)
+				FileUtils.delete(new File(Bukkit.getWorldContainer(), copiedName));
+			else
+				Log.warning("Unable to unload game world " + copiedName + " for some reason.");
+			return ret;
+		}
+		return true;
+	}
+
+
+	/**
+	 * Unload all the templated worlds, using {@link #unloadWorld(String)}.
+	 */
+	public static void unloadUnusedWorlds() {
+		for (String world : new ArrayList<>(loadedWorlds.keySet())) {
+			World rem = loadedWorlds.get(world);
+			if (rem.getPlayers().stream().noneMatch(Player::isOnline)) {
+				unloadWorld(world);
+			}
+		}
+	}
+
+
+	/**
+	 * Tells if the provided template world has a currently loaded copy.
+	 * @param templateWorld the template name of the world, that is the name of the original world's folder.
+	 * @return true if the world is loaded.
+	 */
+	public static boolean isWorldLoaded(String templateWorld) {
+		return loadedWorlds.containsKey(templateWorld);
+	}
+	
+	
+	
+	private static World loadGameWorld(String world, Consumer<World> operationOnLoad) throws IOException {
+		if (loadedWorlds.containsKey(world))
+			throw new IllegalStateException("GameWorld '"+world+"' is already loaded.");
+		
+		if (!new File(Bukkit.getWorldContainer(), world).isDirectory())
+			throw new IllegalStateException("GameWorld '"+world+"' does not exist");
+		
+		String copiedName = world + "_gen" + RandomUtil.rand.nextInt(100000, 999999);
+		
+		File srcDir = new File(Bukkit.getWorldContainer(), world);
+		File destDir = new File(Bukkit.getWorldContainer(), copiedName);
+		FileUtils.delete(destDir);
+		FileUtils.copy(srcDir, destDir);
+		new File(destDir, "session.lock").delete();
+		new File(destDir, "uid.dat").delete();
+		
+		World w = Bukkit.createWorld(new WorldCreator(copiedName).environment(Environment.NORMAL));
+		if (w == null) {
+			throw new RuntimeException("Unable to create the world " + copiedName + ": Bukkit.createWorld(...) returned null value.");
+		}
+		w.setAutoSave(false);
+		loadedWorlds.put(world, w);
+		if (Bukkit.getPluginManager().getPlugin("Multiverse-Core") != null)
+			Bukkit.dispatchCommand(Bukkit.getConsoleSender(), "mvm set hidden true "+copiedName);
+		operationOnLoad.accept(w);
+		return w;
+	}
+	
+	
+	
+	private TemplatedWorldHandler() {}
+	
+}

pandalib-paper/src/main/java/fr/pandacube/lib/paper/world/WorldUtil.java

@@ -10,11 +10,18 @@ import java.util.List;
 import java.util.Objects;
 import java.util.regex.Pattern;
 
+/**
+ * Provides utility methods to manage and analyze world's directory.
+ */
 public class WorldUtil {
-	
-	
-	
-	
+
+
+	/**
+	 * Determine the {@link Environment} of the provided world.
+	 * @param world the name of the world.
+	 * @return the {@link Environment}.
+	 * @throws IllegalStateException if the provided world is not valid (cannot determine its environment)
+	 */
 	public static Environment determineEnvironment(String world) {
 		World bWorld = Bukkit.getWorld(world);
 		if (bWorld != null) {
@@ -40,7 +47,12 @@ public class WorldUtil {
 		
 		throw new IllegalStateException("Unable to determine the type of the world " + world + ".");
 	}
-	
+
+	/**
+	 * Gets the list of all the regions of the provided world, based on the name of the region files.
+	 * @param world the world.
+	 * @return a {@link List} of {@link RegionCoord}.
+	 */
 	public static List<RegionCoord> getExistingRegions(String world) {
 		Environment env = determineEnvironment(world);
 
@@ -71,11 +83,22 @@ public class WorldUtil {
 	}
 	
 	private static final List<String> REGION_DATA_FILES = Arrays.asList("entities", "poi", "region", "DIM-1", "DIM1");
-	
+
+	/**
+	 * Gets all the directory containing region related data (entities, poi, region, DIM*) of the provided world.
+	 * @param world the world.
+	 * @return a {@link List} of directory.
+	 */
 	public static List<File> regionDataFolders(String world) {
 		return onlyExisting(worldDir(world), REGION_DATA_FILES);
 	}
 
+	/**
+	 * Gets the list of all map related data files.
+	 * That is the file {@code data/idcounts.dat} and all the files with the pattern {@code data/map_*.dat}.
+	 * @param world the world.
+	 * @return the list of all map related data files
+	 */
 	public static List<File> mapFiles(String world) {
 		Pattern mapFilePattern = Pattern.compile("map_\\d+.dat");
 		return List.of(dataDir(world).listFiles((dir, name) -> mapFilePattern.matcher(name).find() || "idcounts.dat".equals(name)));
@@ -88,18 +111,35 @@ public class WorldUtil {
 				.toList();
 	}
 
+	/**
+	 * Gets the directory of the provided world.
+	 * @param world the world.
+	 * @return the directory of the world.
+	 */
 	public static File worldDir(String world) {
 		return new File(Bukkit.getWorldContainer(), world);
 	}
 
+	/**
+	 * Gets the data directory of the provided world.
+	 * @param world the world.
+	 * @return the data directory of the world.
+	 */
 	public static File dataDir(String world) {
 		return new File(worldDir(world), "data");
 	}
-	
+
+	/**
+	 * Tells if the provided world is a valid one (has a directory and contains a file named level.dat).
+	 * @param world the world.
+	 * @return true if the world exists, false otherwise.
+	 */
 	public static boolean isValidWorld(String world) {
 		File d = worldDir(world);
 		return d.isDirectory() && new File(d, "level.dat").isFile(); 
 	}
-	
+
+
+	private WorldUtil() {}
 	
 }

pandalib-permissions/pom.xml

@@ -37,6 +37,12 @@
             <artifactId>javaluator</artifactId>
             <version>3.0.3</version>
         </dependency>
+
+        <dependency>
+            <groupId>com.google.guava</groupId>
+            <artifactId>guava</artifactId>
+            <version>${guava.version}</version>
+        </dependency>
     </dependencies>
 
     <build>

pandalib-permissions/src/main/java/fr/pandacube/lib/permissions/PermissionsResolver.java

@@ -1,5 +1,18 @@
 package fr.pandacube.lib.permissions;
 
+import com.google.common.base.Preconditions;
+import com.google.common.cache.Cache;
+import com.google.common.cache.CacheBuilder;
+import fr.pandacube.lib.chat.Chat;
+import fr.pandacube.lib.chat.ChatTreeNode;
+import fr.pandacube.lib.chat.LegacyChatFormat;
+import fr.pandacube.lib.permissions.PermissionsCachedBackendReader.CachedEntity;
+import fr.pandacube.lib.permissions.PermissionsCachedBackendReader.CachedGroup;
+import fr.pandacube.lib.permissions.PermissionsCachedBackendReader.CachedPlayer;
+import fr.pandacube.lib.permissions.SQLPermissions.EntityType;
+import fr.pandacube.lib.util.log.Log;
+import net.kyori.adventure.text.format.NamedTextColor;
+
 import java.util.ArrayList;
 import java.util.EnumSet;
 import java.util.LinkedHashMap;
@@ -12,19 +25,6 @@ import java.util.concurrent.ExecutionException;
 import java.util.concurrent.TimeUnit;
 import java.util.stream.Collectors;
 
-import com.google.common.base.Preconditions;
-import com.google.common.cache.Cache;
-import com.google.common.cache.CacheBuilder;
-import net.md_5.bungee.api.ChatColor;
-
-import fr.pandacube.lib.chat.Chat;
-import fr.pandacube.lib.chat.ChatTreeNode;
-import fr.pandacube.lib.permissions.PermissionsCachedBackendReader.CachedEntity;
-import fr.pandacube.lib.permissions.PermissionsCachedBackendReader.CachedGroup;
-import fr.pandacube.lib.permissions.PermissionsCachedBackendReader.CachedPlayer;
-import fr.pandacube.lib.permissions.SQLPermissions.EntityType;
-import fr.pandacube.lib.util.log.Log;
-
 /* package */ class PermissionsResolver {
 
 	private final PermissionsCachedBackendReader backendReader;
@@ -105,7 +105,7 @@ import fr.pandacube.lib.util.log.Log;
 			Log.warning("For data " + dataType + ":\n"
 					+ resolutionResult.toDisplayTreeNode().render(true).stream()
 					.map(Chat::getLegacyText)
-					.collect(Collectors.joining(ChatColor.RESET + "\n")));
+					.collect(Collectors.joining(LegacyChatFormat.RESET + "\n")));
 		}
 		
 		return resolutionResult.result != null ? resolutionResult.result : "";
@@ -167,7 +167,7 @@ import fr.pandacube.lib.util.log.Log;
 			if (result == null)
 				c.then(Chat.text(" (non défini)").gray());
 			else
-				c.thenLegacyText(" \"" + ChatColor.RESET + result + ChatColor.RESET + "\"");
+				c.thenLegacyText(" \"" + LegacyChatFormat.RESET + result + LegacyChatFormat.RESET + "\"");
 			if (conflictMessage != null)
 				c.thenFailure(" " + conflictMessage);
 			ChatTreeNode node = new ChatTreeNode(c);
@@ -307,7 +307,7 @@ import fr.pandacube.lib.util.log.Log;
 			Log.warning("For permission " + permission + ":\n"
 					+ resolutionResult.toDisplayTreeNode().render(true).stream()
 					.map(Chat::getLegacyText)
-					.collect(Collectors.joining(ChatColor.RESET + "\n")));
+					.collect(Collectors.joining(LegacyChatFormat.RESET + "\n")));
 		}
 		
 		return resolutionResult.result;
@@ -487,7 +487,7 @@ import fr.pandacube.lib.util.log.Log;
 			Chat c = Chat.chat()
 					.then(result == PermState.UNDEFINED ? Chat.dataText("■") : result == PermState.GRANTED ? Chat.successText("✔") : Chat.failureText("✘"))
 					.then(Chat.text(entity instanceof CachedPlayer cp ? Permissions.playerNameGetter.apply(cp.playerId) : entity.name)
-							.color(entity instanceof CachedPlayer ? ChatColor.GOLD : ChatColor.DARK_AQUA)
+							.color(entity instanceof CachedPlayer ? NamedTextColor.GOLD : NamedTextColor.DARK_AQUA)
 					);
 			if (server != null)
 				c.thenData(" s=" + server);
@@ -523,7 +523,7 @@ import fr.pandacube.lib.util.log.Log;
 		public ChatTreeNode toDisplayTreeNode() {
 			return new ChatTreeNode(Chat.chat()
 					.then(result ? Chat.successText("✔") : Chat.failureText("✘"))
-					.then(Chat.text(permission).color(type == PermType.WILDCARD ? ChatColor.YELLOW : type == PermType.SPECIAL ? ChatColor.LIGHT_PURPLE : ChatColor.WHITE)));
+					.then(Chat.text(permission).color(type == PermType.WILDCARD ? NamedTextColor.YELLOW : type == PermType.SPECIAL ? NamedTextColor.LIGHT_PURPLE : NamedTextColor.WHITE)));
 		}
 	}
 	

pandalib-players/pom.xml

@@ -21,12 +21,11 @@
             <version>${project.version}</version>
         </dependency>
 
-        <!-- <dependency>
-            <groupId>fr.pandacube.lib</groupId>
-            <artifactId>pandalib-util</artifactId>
-            <version>${project.version}</version>
-            <scope>provided</scope>
-        </dependency> -->
+        <dependency>
+            <groupId>com.google.guava</groupId>
+            <artifactId>guava</artifactId>
+            <version>${guava.version}</version>
+        </dependency>
 
     </dependencies>
 

pandalib-reflect/pom.xml

@@ -25,9 +25,9 @@
             <version>${project.version}</version>
         </dependency>
         <dependency>
-            <groupId>com.google.guava</groupId>
-            <artifactId>guava</artifactId>
-            <version>32.1.2-jre</version> <!-- Match the version imported by Paper API/BungeeCord API if possible -->
+            <groupId>org.plumelib</groupId>
+            <artifactId>hashmap-util</artifactId>
+            <version>0.0.1</version>
         </dependency>
     </dependencies>
 
@@ -47,6 +47,7 @@
                             <artifactSet>
                                 <includes>
                                     <include>io.github.classgraph:classgraph</include>
+                                    <include>org.plumelib:*</include>
                                 </includes>
                             </artifactSet>
                             <filters>
@@ -60,6 +61,26 @@
                                         <exclude>META-INF/MANIFEST.MF</exclude>
                                     </excludes>
                                 </filter>
+                                <filter>
+                                    <artifact>org.plumelib:hashmap-util</artifact>
+                                    <excludes>
+                                        <exclude>module-info.class</exclude>
+                                        <exclude>META-INF/*.SF</exclude>
+                                        <exclude>META-INF/*.DSA</exclude>
+                                        <exclude>META-INF/*.RSA</exclude>
+                                        <exclude>META-INF/MANIFEST.MF</exclude>
+                                    </excludes>
+                                </filter>
+                                <filter>
+                                    <artifact>org.plumelib:reflection-util</artifact>
+                                    <excludes>
+                                        <exclude>module-info.class</exclude>
+                                        <exclude>META-INF/*.SF</exclude>
+                                        <exclude>META-INF/*.DSA</exclude>
+                                        <exclude>META-INF/*.RSA</exclude>
+                                        <exclude>META-INF/MANIFEST.MF</exclude>
+                                    </excludes>
+                                </filter>
                             </filters>
                             <relocations>
                                 <relocation>
@@ -70,6 +91,10 @@
                                     <pattern>nonapi.io.github.classgraph</pattern>
                                     <shadedPattern>fr.pandacube.lib.reflect.shaded.classgraph.nonapi</shadedPattern>
                                 </relocation>
+                                <relocation>
+                                    <pattern>org.plumelib</pattern>
+                                    <shadedPattern>fr.pandacube.lib.reflect.shaded.plumelib</shadedPattern>
+                                </relocation>
                             </relocations>
                         </configuration>
                     </execution>

pandalib-reflect/src/main/java/fr/pandacube/lib/reflect/ReflectField.java

@@ -9,7 +9,7 @@ import java.lang.reflect.Modifier;
  */
 public final class ReflectField<T> extends ReflectMember<T, String, Field, NoSuchFieldException> {
 
-    /* Those fields are used to modify the value of a static variable. Depending on the current Java version,
+    /* Those fields are used to modify the value of a final variable. Depending on the current Java version,
      * one of them will be used for this purpose.
      */
     private static sun.misc.Unsafe sunMiscUnsafeInstance;
@@ -122,13 +122,30 @@ public final class ReflectField<T> extends ReflectMember<T, String, Field, NoSuc
             // if the field is final, we have to do some unsafe stuff :/
             if (sunMiscUnsafeInstance != null) { // Java >= 16
                 // set the value of the field, directly in the memory
-                if (Modifier.isStatic(realModifiers)) {
-                    long offset = sunMiscUnsafeInstance.staticFieldOffset(f);
-                    sunMiscUnsafeInstance.putObject(sunMiscUnsafeInstance.staticFieldBase(f), offset, value);
-                } else {
-                    long offset = sunMiscUnsafeInstance.objectFieldOffset(f);
-                    sunMiscUnsafeInstance.putObject(instance, offset, value);
-                }
+                Object unsafeObjInstance = Modifier.isStatic(realModifiers)
+                        ? sunMiscUnsafeInstance.staticFieldBase(f)
+                        : instance;
+                long offset = Modifier.isStatic(realModifiers)
+                        ? sunMiscUnsafeInstance.staticFieldOffset(f)
+                        : sunMiscUnsafeInstance.objectFieldOffset(f);
+                if (char.class.isAssignableFrom(f.getType()))
+                    sunMiscUnsafeInstance.putChar(unsafeObjInstance, offset, (char)value);
+                else if (byte.class.isAssignableFrom(f.getType()))
+                    sunMiscUnsafeInstance.putByte(unsafeObjInstance, offset, (byte)value);
+                else if (short.class.isAssignableFrom(f.getType()))
+                    sunMiscUnsafeInstance.putShort(unsafeObjInstance, offset, (short)value);
+                else if (int.class.isAssignableFrom(f.getType()))
+                    sunMiscUnsafeInstance.putInt(unsafeObjInstance, offset, (int)value);
+                else if (long.class.isAssignableFrom(f.getType()))
+                    sunMiscUnsafeInstance.putLong(unsafeObjInstance, offset, (long)value);
+                else if (boolean.class.isAssignableFrom(f.getType()))
+                    sunMiscUnsafeInstance.putBoolean(unsafeObjInstance, offset, (boolean)value);
+                else if (float.class.isAssignableFrom(f.getType()))
+                    sunMiscUnsafeInstance.putFloat(unsafeObjInstance, offset, (float)value);
+                else if (double.class.isAssignableFrom(f.getType()))
+                    sunMiscUnsafeInstance.putDouble(unsafeObjInstance, offset, (double)value);
+                else
+                    sunMiscUnsafeInstance.putObject(unsafeObjInstance, offset, value);
             } else { // Java < 16
                 // change the modifier in the Field instance so the method #set(instance, value) doesn't throw an exception
                 try {

pandalib-reflect/src/main/java/fr/pandacube/lib/reflect/ReflectMember.java

@@ -50,7 +50,7 @@ public sealed abstract class ReflectMember<T, ID, EL extends AccessibleObject &
                 setAccessible(el);
                 return el;
             } catch (ReflectiveOperationException e2) {
-                ex.addSuppressed(e2);
+                //ex.addSuppressed(e2);
                 throw ex;
             }
         }

pandalib-reflect/src/main/java/fr/pandacube/lib/reflect/ReflectionWrapperBypass.java

@@ -16,15 +16,27 @@ public class ReflectionWrapperBypass {
 
     private static final AtomicBoolean enabled = new AtomicBoolean(false);
 
+    /**
+     * Enables bypassing the eventual translation of the class names when using {@link Class#forName(String)}.
+     */
     public static void enable() {
         enabled.set(true);
     }
 
+    /**
+     * Disables bypassing the eventual translation of the class names when using {@link Class#forName(String)}.
+     */
     public static void disable() {
         enabled.set(false);
     }
 
-
+    /**
+     * Calls {@link Class#forName(String)}, but detects if the returned class has been translated and if so, uses
+     * reflection to call {@link Class#forName(String)} (some sort of reflection-ception).
+     * @param className the binary name of the class or the string representing an array type.
+     * @return the {@link Class} object for the class with the specified name.
+     * @throws ClassNotFoundException if the class cannot be located.
+     */
     public static Class<?> getClass(String className) throws ClassNotFoundException {
         if (!enabled.get()) {
             return Class.forName(className);
@@ -51,4 +63,8 @@ public class ReflectionWrapperBypass {
     }
 
 
+
+    private ReflectionWrapperBypass() {}
+
+
 }

pandalib-reflect/src/main/java/fr/pandacube/lib/reflect/wrapper/ReflectWrapper.java

@@ -1,8 +1,7 @@
 package fr.pandacube.lib.reflect.wrapper;
 
-import com.google.common.collect.MapMaker;
-
 import fr.pandacube.lib.reflect.ReflectConstructor;
+import org.plumelib.util.WeakIdentityHashMap;
 
 import java.util.List;
 import java.util.Map;
@@ -17,7 +16,10 @@ import static fr.pandacube.lib.util.ThrowableUtil.wrapEx;
 public abstract class ReflectWrapper implements ReflectWrapperI {
 
 
-	private static final Map<Object, ReflectWrapperI> objectWrapperCache = new MapMaker().weakKeys().makeMap();
+	private static final Map<Object, ReflectWrapperI> objectWrapperCache = new WeakIdentityHashMap<>();
+	/*
+	 * WeakHashMap is not suitable because we want the keys to be compared by reference (==) and not by the .equals() method.
+	 */
 
 	/**
 	 * Unwraps the object from the provided reflect wrapper.

pandalib-util/src/main/java/fr/pandacube/lib/util/MinecraftVersion.java

@@ -1,394 +0,0 @@
-package fr.pandacube.lib.util;
-
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.EnumSet;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
-import java.util.Set;
-
-/**
- * Enumeration of all known, post Netty-rewrite (1.7.2+), stable Minecraft Java versions.
- * <p>
- * It provides various utility methods to nicely display a set of Minecraft version (for instance "1.13.x",
- * "1.16-1.16.3", "1.8.x and 1.9", "1.18.1 or 1.18.2")
- * <p>
- * Note that this enum uses one value to represent every Minecraft version using the same protocol version number.
- * @deprecated This class may not be updated. Use the class ProtocolVersion in pandalib-core module instead.
- */
-@Deprecated(forRemoval = true)
-public enum MinecraftVersion {
-	/** Minecraft versions 1.7.2 to 1.7.5, protocol version 4. */
-	v1_7_2_to_1_7_5(4, "1.7.2", "1.7.3", "1.7.4", "1.7.5"),
-	/** Minecraft versions 1.7.6 to 1.7.10, protocol version 5. */
-	v1_7_6_to_1_7_10(5, "1.7.6", "1.7.7", "1.7.8", "1.7.9", "1.7.10"),
-
-	/** Minecraft versions 1.8.x, protocol version 47. */
-	v1_8(47, "1.8", "1.8.1", "1.8.2", "1.8.3", "1.8.4", "1.8.5", "1.8.6", "1.8.7", "1.8.8", "1.8.9"),
-
-	/** Minecraft version 1.9, protocol version 107. */
-	v1_9(107, "1.9"),
-	/** Minecraft version 1.9.1, protocol version 108. */
-	v1_9_1(108, "1.9.1"),
-	/** Minecraft version 1.9.2, protocol version 109. */
-	v1_9_2(109, "1.9.2"),
-	/** Minecraft versions 1.9.3 and 1.9.4, protocol version 110. */
-	v1_9_3_to_1_9_4(110, "1.9.3", "1.9.4"),
-
-	/** Minecraft versions 1.10.x, protocol version 210. */
-	v1_10(210, "1.10", "1.10.1", "1.10.2"),
-
-	/** Minecraft version 1.11, protocol version 315. */
-	v1_11(315, "1.11"),
-	/** Minecraft versions 1.11.1 and 1.11.2, protocol version 316. */
-	v1_11_1_to_1_11_2(316, "1.11.1", "1.11.2"),
-
-	/** Minecraft version 1.12, protocol version 335. */
-	v1_12(335, "1.12"),
-	/** Minecraft version 1.12.1, protocol version 338. */
-	v1_12_1(338, "1.12.1"),
-	/** Minecraft version 1.12.2, protocol version 340. */
-	v1_12_2(340, "1.12.2"),
-
-	/** Minecraft version 1.13, protocol version 393. */
-	v1_13(393, "1.13"),
-	/** Minecraft version 1.13.1, protocol version 401. */
-	v1_13_1(401, "1.13.1"),
-	/** Minecraft version 1.13.2, protocol version 404. */
-	v1_13_2(404, "1.13.2"),
-
-	/** Minecraft version 1.14, protocol version 477. */
-	v1_14(477, "1.14"),
-	/** Minecraft version 1.14.1, protocol version 480. */
-	v1_14_1(480, "1.14.1"),
-	/** Minecraft version 1.14.2, protocol version 485. */
-	v1_14_2(485, "1.14.2"),
-	/** Minecraft version 1.14.3, protocol version 490. */
-	v1_14_3(490, "1.14.3"),
-	/** Minecraft version 1.14.4, protocol version 498. */
-	v1_14_4(498, "1.14.4"),
-
-	/** Minecraft version 1.15, protocol version 573. */
-	v1_15(573, "1.15"),
-	/** Minecraft version 1.15.1, protocol version 575. */
-	v1_15_1(575, "1.15.1"),
-	/** Minecraft version 1.15.2, protocol version 578. */
-	v1_15_2(578, "1.15.2"),
-
-	/** Minecraft version 1.16, protocol version 735. */
-	v1_16(735, "1.16"),
-	/** Minecraft version 1.16.1, protocol version 736. */
-	v1_16_1(736, "1.16.1"),
-	/** Minecraft version 1.16.2, protocol version 751. */
-	v1_16_2(751, "1.16.2"),
-	/** Minecraft version 1.16.3, protocol version 753. */
-	v1_16_3(753, "1.16.3"),
-	/** Minecraft versions 1.16.4 and 1.16.5, protocol version 754. */
-	v1_16_4_to_1_16_5(754, "1.16.4", "1.16.5"),
-
-	/** Minecraft version 1.17, protocol version 755. */
-	v1_17(755, "1.17"),
-	/** Minecraft version 1.17.1, protocol version 756. */
-	v1_17_1(756, "1.17.1"),
-
-	/** Minecraft versions 1.18 and 1.18.1, protocol version 757. */
-	v1_18_to_1_18_1(757, "1.18", "1.18.1"),
-	/** Minecraft version 1.18.2, protocol version 758. */
-	v1_18_2(758, "1.18.2"),
-
-	/** Minecraft version 1.19, protocol version 759. */
-	v1_19(759, "1.19"),
-	/** Minecraft versions 1.19.1 and 1.19.2, protocol version 760. */
-	v1_19_1_to_1_19_2(760, "1.19.1", "1.19.2"),
-	/** Minecraft versions 1.19.3, protocol version 761. */
-	v1_19_3(761, "1.19.3"),
-	/** Minecraft versions 1.19.4, protocol version 762. */
-	v1_19_4(762, "1.19.4"),
-
-	/** Minecraft version 1.20 and 1.20.1, protocol version 763. */
-	v1_20(763, "1.20", "1.20.1");
-
-	// IMPORTANT: don't forget to update the versionMergeDisplay value when adding a new version;
-	
-	private static final Map<EnumSet<MinecraftVersion>, List<String>> versionMergeDisplay;
-	
-	static {
-		versionMergeDisplay = new HashMap<>();
-		
-		versionMergeDisplay.put(EnumSet.of(v1_7_2_to_1_7_5, v1_7_6_to_1_7_10),
-				List.of("1.7.2-1.7.10"));
-		
-		versionMergeDisplay.put(EnumSet.of(v1_9, v1_9_1, v1_9_2, v1_9_3_to_1_9_4),
-				List.of("1.9.x"));
-		versionMergeDisplay.put(EnumSet.of(v1_9, v1_9_1, v1_9_2),
-				List.of("1.9-1.9.2"));
-		versionMergeDisplay.put(EnumSet.of(v1_9, v1_9_1),
-				List.of("1.9", "1.9.1"));
-		versionMergeDisplay.put(EnumSet.of(v1_9_1, v1_9_2, v1_9_3_to_1_9_4),
-				List.of("1.9.1-1.9.4"));
-		versionMergeDisplay.put(EnumSet.of(v1_9_1, v1_9_2),
-				List.of("1.9.1", "1.9.2"));
-		versionMergeDisplay.put(EnumSet.of(v1_9_2, v1_9_3_to_1_9_4),
-				List.of("1.9.2-1.9.4"));
-
-		versionMergeDisplay.put(EnumSet.of(v1_11, v1_11_1_to_1_11_2),
-				List.of("1.11.x"));
-
-		versionMergeDisplay.put(EnumSet.of(v1_12, v1_12_1, v1_12_2),
-				List.of("1.12.x"));
-		versionMergeDisplay.put(EnumSet.of(v1_12, v1_12_1),
-				List.of("1.12", "1.12.1"));
-		versionMergeDisplay.put(EnumSet.of(v1_12_1, v1_12_2),
-				List.of("1.12.1", "1.12.2"));
-
-		versionMergeDisplay.put(EnumSet.of(v1_13, v1_13_1, v1_13_2),
-				List.of("1.13.x"));
-		versionMergeDisplay.put(EnumSet.of(v1_13, v1_13_1),
-				List.of("1.13", "1.13.1"));
-		versionMergeDisplay.put(EnumSet.of(v1_13_1, v1_13_2),
-				List.of("1.13.1", "1.13.2"));
-
-		versionMergeDisplay.put(EnumSet.of(v1_14, v1_14_1, v1_14_2, v1_14_3, v1_14_4),
-				List.of("1.14.x"));
-		versionMergeDisplay.put(EnumSet.of(v1_14, v1_14_1, v1_14_2, v1_14_3),
-				List.of("1.14-1.14.3"));
-		versionMergeDisplay.put(EnumSet.of(v1_14_1, v1_14_2, v1_14_3, v1_14_4),
-				List.of("1.14.1-1.14.4"));
-		versionMergeDisplay.put(EnumSet.of(v1_14, v1_14_1, v1_14_2),
-				List.of("1.14-1.14.2"));
-		versionMergeDisplay.put(EnumSet.of(v1_14_1, v1_14_2, v1_14_3),
-				List.of("1.14.1-1.14.3"));
-		versionMergeDisplay.put(EnumSet.of(v1_14_2, v1_14_3, v1_14_4),
-				List.of("1.14.2-1.14.4"));
-		versionMergeDisplay.put(EnumSet.of(v1_14, v1_14_1),
-				List.of("1.14", "1.14.1"));
-		versionMergeDisplay.put(EnumSet.of(v1_14_1, v1_14_2),
-				List.of("1.14.1", "1.14.2"));
-		versionMergeDisplay.put(EnumSet.of(v1_14_2, v1_14_3),
-				List.of("1.14.2", "1.14.3"));
-		versionMergeDisplay.put(EnumSet.of(v1_14_3, v1_14_4),
-				List.of("1.14.3", "1.14.4"));
-		
-		versionMergeDisplay.put(EnumSet.of(v1_15, v1_15_1, v1_15_2),
-				List.of("1.15.x"));
-		versionMergeDisplay.put(EnumSet.of(v1_15, v1_15_1),
-				List.of("1.15", "1.15.1"));
-		versionMergeDisplay.put(EnumSet.of(v1_15_1, v1_15_2),
-				List.of("1.15.1", "1.15.2"));
-
-		versionMergeDisplay.put(EnumSet.of(v1_16, v1_16_1, v1_16_2, v1_16_3, v1_16_4_to_1_16_5),
-				List.of("1.16.x"));
-		versionMergeDisplay.put(EnumSet.of(v1_16, v1_16_1, v1_16_2, v1_16_3),
-				List.of("1.16-1.16.3"));
-		versionMergeDisplay.put(EnumSet.of(v1_16_1, v1_16_2, v1_16_3, v1_16_4_to_1_16_5),
-				List.of("1.16.1-1.16.5"));
-		versionMergeDisplay.put(EnumSet.of(v1_16, v1_16_1, v1_16_2),
-				List.of("1.16-1.16.2"));
-		versionMergeDisplay.put(EnumSet.of(v1_16_1, v1_16_2, v1_16_3),
-				List.of("1.16.1-1.16.3"));
-		versionMergeDisplay.put(EnumSet.of(v1_16_2, v1_16_3, v1_16_4_to_1_16_5),
-				List.of("1.16.2-1.16.5"));
-		versionMergeDisplay.put(EnumSet.of(v1_16, v1_16_1),
-				List.of("1.16", "1.16.1"));
-		versionMergeDisplay.put(EnumSet.of(v1_16_1, v1_16_2),
-				List.of("1.16.1", "1.16.2"));
-		versionMergeDisplay.put(EnumSet.of(v1_16_2, v1_16_3),
-				List.of("1.16.2", "1.16.3"));
-		versionMergeDisplay.put(EnumSet.of(v1_16_3, v1_16_4_to_1_16_5),
-				List.of("1.16.3-1.16.5"));
-		
-		versionMergeDisplay.put(EnumSet.of(v1_17, v1_17_1),
-				List.of("1.17.x"));
-		
-		versionMergeDisplay.put(EnumSet.of(v1_18_to_1_18_1, v1_18_2),
-				List.of("1.18.x"));
-
-		versionMergeDisplay.put(EnumSet.of(v1_19, v1_19_1_to_1_19_2, v1_19_3, v1_19_4),
-				List.of("1.19.x"));
-		versionMergeDisplay.put(EnumSet.of(v1_19, v1_19_1_to_1_19_2, v1_19_3),
-				List.of("1.19-1.19.3"));
-		versionMergeDisplay.put(EnumSet.of(v1_19_1_to_1_19_2, v1_19_3, v1_19_4),
-				List.of("1.19.1-1.19.4"));
-		versionMergeDisplay.put(EnumSet.of(v1_19, v1_19_1_to_1_19_2),
-				List.of("1.19-1.19.2"));
-		versionMergeDisplay.put(EnumSet.of(v1_19_1_to_1_19_2, v1_19_3),
-				List.of("1.19.1-1.19.3"));
-		versionMergeDisplay.put(EnumSet.of(v1_19_3, v1_19_4),
-				List.of("1.19.3-1.19.4"));
-	}
-
-
-	/**
-	 * The protocol version number of this Minecraft version.
-	 */
-	public final int protocolVersionNumber;
-	/**
-	 * All Minecraft version supported by this protocol version number.
-	 */
-	public final List<String> versionsDisplay;
-
-	MinecraftVersion(int protocolVersionNumber, String... versionsDisplay) {
-		this.protocolVersionNumber = protocolVersionNumber;
-		this.versionsDisplay = Arrays.asList(versionsDisplay);
-	}
-
-	@Override
-	public String toString() {
-		return name() + "{protocol=" + protocolVersionNumber + ", toString(\"and\")=" + toString("and") + "}";
-	}
-
-	/**
-	 * Returns a string representation of all the Minecraft version of this enum value, using
-	 * {@link StringUtil#joinGrammatically(CharSequence, CharSequence, List)}.
-	 *
-	 * @param finalWordSeparator the word separator between the two last versions in the returned string, like "and",
-	 *                           "or" or any other word of any language. The spaces before and after are already
-	 *                           concatenated.
-	 * @return a string representation of this {@link MinecraftVersion}.
-	 */
-	public String toString(String finalWordSeparator) {
-		return StringUtil.joinGrammatically(", ", " " + finalWordSeparator + " ", versionsDisplay);
-	}
-
-	/**
-	 * Returns a string representation of all the Minecraft version of this enum value, using
-	 * {@link StringUtil#joinGrammatically(CharSequence, CharSequence, List)} with the grammatical word "et"
-	 * ("and" in french).
-	 *
-	 * @return a string representation of this {@link MinecraftVersion}.
-	 * @deprecated it uses the hardcoded French word "et" as the final word separator.
-	 *             Use {@link #displayOptimizedListOfVersions(List, String)} with "et" as the last parameter instead.
-	 */
-	@Deprecated(forRemoval = true)
-	public String toStringAnd() {
-		return toString("et");
-	}
-
-	/**
-	 * Returns a string representation of all the Minecraft version of this enum value, using
-	 * {@link StringUtil#joinGrammatically(CharSequence, CharSequence, List)} with the grammatical word "ou"
-	 * ("or" in french).
-	 *
-	 * @return a string representation of this {@link MinecraftVersion}.
-	 * @deprecated it uses the hardcoded French word "ou" as the final word separator.
-	 *             Use {@link #displayOptimizedListOfVersions(List, String)} with "ou" as the last parameter instead.
-	 */
-	@Deprecated(forRemoval = true)
-	public String toStringOr() {
-		return toString("ou");
-	}
-
-
-
-
-
-
-
-
-	/**
-	 * Gets the {@link MinecraftVersion} instance associated with the provided protocol version number.
-	 *
-	 * @param protocolVersionNumber the protocol version number
-	 * @return the {@link MinecraftVersion} instance associated with the provided protocol version number, or null if
-	 *         there is none.
-	 */
-	public static MinecraftVersion getVersion(int protocolVersionNumber) {
-		for (MinecraftVersion mcV : values())
-			if (mcV.protocolVersionNumber == protocolVersionNumber) return mcV;
-		return null;
-	}
-
-
-	/**
-	 * Generate a string representation of the provided list of version, using
-	 * {@link StringUtil#joinGrammatically(CharSequence, CharSequence, List)}.
-	 *
-	 * @param versions the minecraft versions to list
-	 * @param finalWordSeparator the word separator between the two last versions in the returned string, like "and",
-	 *                           "or" or any other word of any language. The spaces before and after are already
-	 *                           concatenated.
-	 * @return a string representation of the provided list of version.
-	 */
-	public static String displayOptimizedListOfVersions(List<MinecraftVersion> versions, String finalWordSeparator) {
-		return StringUtil.joinGrammatically(", ", " " + finalWordSeparator + " ", getVersionsDisplayList(versions));
-	}
-
-	/**
-	 * Generate a string representation of the provided list of version, using
-	 * {@link StringUtil#joinGrammatically(CharSequence, CharSequence, List)} with the grammatical word "et"
-	 * ("and" in french).
-	 *
-	 * @param versions the minecraft versions to list
-	 * @return a string representation of the provided list of version.
-	 * @deprecated it uses the hardcoded French word "et" as the final word separator.
-	 *             Use {@link #displayOptimizedListOfVersions(List, String)} with "et" as the last parameter instead.
-	 */
-	@Deprecated(forRemoval = true)
-	public static String displayOptimizedListOfVersionsAnd(List<MinecraftVersion> versions) {
-		return displayOptimizedListOfVersions(versions, "et");
-	}
-
-	/**
-	 * Generate a string representation of the provided list of version, using
-	 * {@link StringUtil#joinGrammatically(CharSequence, CharSequence, List)} with the grammatical word "ou"
-	 * ("or" in french).
-	 *
-	 * @param versions the minecraft versions to list
-	 * @return a string representation of the provided list of version.
-	 * @deprecated it uses the hardcoded French word "ou" as the final word separator.
-	 *             Use {@link #displayOptimizedListOfVersions(List, String)} with "ou" as the last parameter instead.
-	 */
-	@Deprecated(forRemoval = true)
-	public static String displayOptimizedListOfVersionsOr(List<MinecraftVersion> versions) {
-		return displayOptimizedListOfVersions(versions, "ou");
-	}
-
-	/**
-	 * Returns an optimized list of string representation of Minecraft version, that represent the provided list of
-	 * Minecraft version.
-	 * <p>
-	 * This method try to merge successive Minecraft version into a single string: for instance, all versions from 1.18
-	 * to 1.18.2 are represented by the string "1.18.x"; all version from 1.14.1 to 1.14.4 are represented by the string
-	 * "1.14.1-1.14.4".
-	 * <p>
-	 * All possible merges of {@link MinecraftVersion} are listed in the static initializer of this enum.
-	 *
-	 * @param vList the {@link List} of {@link MinecraftVersion}
-	 * @return an optimized list of string representation of Minecraft version.
-	 */
-	public static List<String> getVersionsDisplayList(List<MinecraftVersion> vList) {
-		if (vList == null)
-			return new ArrayList<>();
-		Set<MinecraftVersion> vSet = EnumSet.copyOf(vList);
-		
-		List<String> ret = new ArrayList<>();
-		
-		for (int i = 0; i < values().length; i++) {
-			if (!vSet.contains(values()[i]))
-				continue;
-			
-			EnumSet<MinecraftVersion> vSubSet = EnumSet.of(values()[i]);
-			while (i + 1 < values().length && vSet.contains(values()[i + 1])) {
-				i++;
-				vSubSet.add(values()[i]);
-				if (!versionMergeDisplay.containsKey(vSubSet)) {
-					vSubSet.remove(values()[i]);
-					i--;
-					break;
-				}
-			}
-			
-			if (vSubSet.size() == 1) {
-				ret.addAll(values()[i].versionsDisplay);
-			}
-			else {
-				ret.addAll(versionMergeDisplay.get(vSubSet));
-			}
-		}
-		
-		return ret;
-		
-	}
-
-}

pom.xml

@@ -56,16 +56,20 @@
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         
         <bungeecord.version>1.21-R0.1-SNAPSHOT</bungeecord.version>
-        <paper.version>1.20.6-R0.1</paper.version>
-        <mc.version>1.20.6</mc.version>
+        <paper.version>1.21.3-R0.1</paper.version>
+        <mc.version>1.21.3</mc.version>
+
+        <guava.version>32.1.2-jre</guava.version> <!-- Match the version imported by Paper API/BungeeCord API if possible -->
     </properties>
 	
     <modules>
         <module>pandalib-bungee</module>
+        <module>pandalib-bungee-chat</module>
         <module>pandalib-bungee-permissions</module>
         <module>pandalib-chat</module>
         <module>pandalib-cli</module>
         <module>pandalib-commands</module>
+        <module>pandalib-config</module>
         <module>pandalib-core</module>
         <module>pandalib-db</module>
         <module>pandalib-netapi</module>
@@ -119,11 +123,6 @@
                 </executions>
                 <configuration>
                     <tags>
-                        <tag>
-                            <name>apiNote</name>
-                            <placement>a</placement>
-                            <head>API Note:</head>
-                        </tag>
                         <tag>
                             <name>implSpec</name>
                             <placement>a</placement>