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Add usefull methods in DisplayUtil

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This commit is contained in:
Marc Baloup 2017-07-06 20:53:25 +02:00
parent a2b3e15e65
commit a13e7f14b7
1 changed files with 144 additions and 0 deletions
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144
src/main/java/fr/pandacube/java/util/text_display/DisplayUtil.java
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@ -1,6 +1,8 @@
package fr.pandacube.java.util.text_display;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.Map;
import com.google.common.collect.ImmutableMap;
@ -273,4 +275,146 @@ public class DisplayUtil {
return 6 + (bold ? 1 : 0);
}
public static List<String> wrapInLimitedPixels(String legacyText, int pixelWidth) {
List<String> lines = new ArrayList<>();
legacyText += "\n"; // workaround to force algorithm to compute last lines;
String currentLine = "";
int currentLineSize = 0;
int index = 0;
String currentWord = "";
int currentWordSize = 0;
boolean bold = false;
boolean firstCharCurrentWorldBold = false;
do {
char c = legacyText.charAt(index);
if (c == ChatColor.COLOR_CHAR && index < legacyText.length() - 1) {
currentWord += c;
c = legacyText.charAt(++index);
currentWord += c;
if (c == 'l' || c == 'L') // bold
bold = true;
if ((c >= '0' && c <= '9') // reset bold
|| (c >= 'a' && c <= 'f')
|| (c >= 'A' && c <= 'F')
|| c == 'r' || c == 'R')
bold = false;
}
else if (c == ' ') {
if (currentLineSize + currentWordSize > pixelWidth && currentLineSize > 0) { // wrap before word
lines.add(currentLine);
String lastStyle = getLastColors(currentLine);
if (currentWord.charAt(0) == ' ') {
currentWord = currentWord.substring(1);
currentWordSize -= charW(' ', false, firstCharCurrentWorldBold);
}
currentLine = (lastStyle.equals("§r") ? "" : lastStyle) + currentWord;
currentLineSize = currentWordSize;
}
else {
currentLine += currentWord;
currentLineSize += currentWordSize;
}
currentWord = ""+c;
currentWordSize = charW(c, false, bold);
firstCharCurrentWorldBold = bold;
}
else if (c == '\n') {
if (currentLineSize + currentWordSize > pixelWidth && currentLineSize > 0) { // wrap before word
lines.add(currentLine);
String lastStyle = getLastColors(currentLine);
if (currentWord.charAt(0) == ' ') {
currentWord = currentWord.substring(1);
currentWordSize -= charW(' ', false, firstCharCurrentWorldBold);
}
currentLine = (lastStyle.equals("§r") ? "" : lastStyle) + currentWord;
currentLineSize = currentWordSize;
}
else {
currentLine += currentWord;
currentLineSize += currentWordSize;
}
// wrap after
lines.add(currentLine);
String lastStyle = getLastColors(currentLine);
currentLine = lastStyle.equals("§r") ? "" : lastStyle;
currentLineSize = 0;
currentWord = "";
currentWordSize = 0;
firstCharCurrentWorldBold = bold;
}
else {
currentWord += c;
currentWordSize += charW(c, false, bold);
}
} while(++index < legacyText.length());
return lines;
}
public static String getLastColors(String legacyText) {
String result = "";
int length = legacyText.length();
// Search backwards from the end as it is faster
for (int index = length - 1; index > -1; index--) {
char section = legacyText.charAt(index);
if (section == ChatColor.COLOR_CHAR && index < length - 1) {
char c = legacyText.charAt(index + 1);
ChatColor color = getChatColorByChar(c);
if (color != null) {
result = color.toString() + result;
// Once we find a color or reset we can stop searching
char col = color.toString().charAt(1);
if ((col >= '0' && col <= '9')
|| (col >= 'a' && col <= 'f')
|| col == 'r') {
break;
}
}
}
}
return result;
}
public static ChatColor getChatColorByChar(char code) {
return ChatColor.getByChar(Character.toLowerCase(code));
}
}