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package de.hysky.skyblocker.utils;
import org.jetbrains.annotations.NotNull;
import it.unimi.dsi.fastutil.chars.CharList;
import net.minecraft.text.MutableText;
import net.minecraft.text.Style;
import net.minecraft.text.Text;
import net.minecraft.util.Formatting;
/**
* Contains utilities for transforming text. These methods are from Aaron's Mod.
*
* @author AzureAaron
*/
public class TextTransformer {
private static final CharList FORMAT_CODES = CharList.of('4', 'c', '6', 'e', '2', 'a','b', '3', '1', '9', 'd', '5', 'f', '7', '8', '0', 'r', 'k', 'l', 'm', 'n', 'o');
/**
* Converts strings with section symbol/legacy formatting to MutableText objects.
*
* @param legacy The string with legacy formatting to be transformed
* @return A {@link MutableText} object matching the exact formatting of the input
*
* @author AzureAaron
*/
public static MutableText fromLegacy(@NotNull String legacy) {
MutableText newText = Text.empty();
StringBuilder builder = new StringBuilder();
Formatting formatting = null;
boolean bold = false;
boolean italic = false;
boolean underline = false;
boolean strikethrough = false;
boolean obfuscated = false;
for (int i = 0; i < legacy.length(); i++) {
//If we've encountered a new formatting code then append the text from the previous "sequence" and reset state
if (i != 0 && legacy.charAt(i - 1) == '§' && FORMAT_CODES.contains(Character.toLowerCase(legacy.charAt(i))) && !builder.isEmpty()) {
newText.append(Text.literal(builder.toString()).setStyle(Style.EMPTY
.withColor(formatting)
.withBold(bold)
.withItalic(italic)
.withUnderline(underline)
.withStrikethrough(strikethrough)
.withObfuscated(obfuscated)));
//Erase all characters in the builder so we can reuse it, also clear formatting
builder.delete(0, builder.length());
formatting = null;
bold = false;
italic = false;
underline = false;
strikethrough = false;
obfuscated = false;
}
if (i != 0 && legacy.charAt(i - 1) == '§') {
Formatting fmt = Formatting.byCode(legacy.charAt(i));
switch (fmt) {
case BOLD -> bold = true;
case ITALIC -> italic = true;
case UNDERLINE -> underline = true;
case STRIKETHROUGH -> strikethrough = true;
case OBFUSCATED -> obfuscated = true;
default -> formatting = fmt;
}
continue;
}
//This character isn't the start of a formatting sequence or this character isn't part of a formatting sequence
if (legacy.charAt(i) != '§' && (i == 0 || (i != 0 && legacy.charAt(i - 1) != '§'))) {
builder.append(legacy.charAt(i));
}
// We've read the last character so append the last text with all of the formatting
if (i == legacy.length() - 1) {
newText.append(Text.literal(builder.toString()).setStyle(Style.EMPTY
.withColor(formatting)
.withBold(bold)
.withItalic(italic)
.withUnderline(underline)
.withStrikethrough(strikethrough)
.withObfuscated(obfuscated)));
}
}
return newText;
}
}
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