Ignoring wool block when spawning floor

src/ca/gibstick/discosheep/DiscoParty.java

@@ -304,12 +304,14 @@ public class DiscoParty {
 		for (int x = loc.getBlockX() - this.radius; x < loc.getX() + this.radius; ++x) {
 			for (int z = loc.getBlockZ() - this.radius; z < loc.getZ() + this.radius; ++z) {
 				Block block = world.getBlockAt(x, loc.getBlockY(), z);
+				if (block.getType() != Material.WOOL) {
 					this.getFloorCache().add(block.getState());
 					block.setType(Material.WOOL);
 					this.getFloorBlocks().add(block);
 				}
 			}
 		}
+	}
 
 	// Mark all guests for removal, then clear the array
 	void removeAll() {