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Fix TextWrapping issues; Now limits the packets send to the client to either: 119 chars or 320 width. This will strip disallowed characters, propagate colors properly to the next line and not 'eat' multiple color-codes.

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This commit is contained in:
Erik Broes
2011-04-25 18:14:06 +02:00
parent 6940f56d4d
commit 88ebcc8db5
5 changed files with 103 additions and 40 deletions
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82
src/main/java/org/bukkit/craftbukkit/TextWrapper.java
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@@ -2,6 +2,8 @@ package org.bukkit.craftbukkit;
import java.util.regex.Pattern;
import javax.sound.sampled.LineListener;
public class TextWrapper {
private static final int[] characterWidths = new int[] {
1, 9, 9, 8, 8, 8, 8, 7, 9, 8, 9, 9, 8, 9, 9, 9,
@@ -21,50 +23,70 @@ public class TextWrapper {
8, 7, 7, 8, 7, 8, 8, 8, 7, 8, 8, 7, 9, 9, 6, 7,
7, 7, 7, 7, 9, 6, 7, 8, 7, 6, 6, 9, 7, 6, 7, 1
};
private static final char COLOR_CHAR = '\u00A7';
private static final int CHAT_WINDOW_WIDTH = 320;
private static final Pattern pattern = Pattern.compile("\n.*\u00A7", Pattern.DOTALL);
private static final int CHAT_STRING_LENGTH = 119;
private static final String allowedChars = net.minecraft.server.FontAllowedCharacters.a;
public static String[] wrapText(final String text) {
final StringBuilder out = new StringBuilder();
char colorChar = 'f';
int lineWidth = 0;
int lineCount = 0;
boolean hasColored = true;
int lineLenght = 0;
// Go over the message char by char.
for (int i = 0; i < text.length(); i++) {
char ch = text.charAt(i);
if (ch == '\u00A7' && i < text.length() - 1) {
colorChar = text.charAt(++i);
hasColored = false;
continue;
} else if (ch >= characterWidths.length) {
ch = (char) (characterWidths.length - 1);
}
final int width = characterWidths[(int) ch];
if (lineWidth + width >= CHAT_WINDOW_WIDTH) {
out.append('\n');
lineCount++;
if (colorChar != 'f') {
out.append('\u00A7');
out.append(colorChar);
// Get the color
if (ch == COLOR_CHAR && i < text.length() - 1) {
// We might need a linebreak ... so ugly ;(
if (lineLenght + 2 > CHAT_STRING_LENGTH) {
out.append('\n');
lineLenght = 0;
if (colorChar != 'f') {
out.append(COLOR_CHAR).append(colorChar);
lineLenght += 2;
}
}
colorChar = text.charAt(++i);
out.append(COLOR_CHAR).append(colorChar);
lineLenght += 2;
continue;
}
// Figure out if it's allowed
int index = allowedChars.indexOf(ch);
if (index == -1) {
// Invalid character .. skip it.
continue;
} else {
// Sadly needed as the allowedChars string misses the first
index += 32;
}
// Find the width
final int width = characterWidths[ index ];
// See if we need a linebreak
if (lineLenght + 1 > CHAT_STRING_LENGTH || lineWidth + width >= CHAT_WINDOW_WIDTH) {
out.append('\n');
lineLenght = 0;
// Re-apply the last color if it isn't the default
if (colorChar != 'f') {
out.append(COLOR_CHAR).append(colorChar);
lineLenght += 2;
}
out.append(ch);
lineWidth = width;
} else {
if (!hasColored) {
out.append('\u00A7');
out.append(colorChar);
hasColored = true;
}
out.append(ch);
lineWidth += width;
}
out.append(ch);
lineLenght++;
}
// See if we need to split the string
String result = out.toString();
if (pattern.matcher(result).find()) return result.split("\n");
if (lineCount > 0) result.replace("\n", "");
return new String[] {result};
// Return it split
return out.toString().split("\n");
}
}