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add support for minecraft's color codes
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108 changes: 108 additions & 0 deletions
108
common/src/main/java/io/github/axolotlclient/AxolotlClientConfig/impl/ui/FormattingUtil.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,108 @@ | ||
| package io.github.axolotlclient.AxolotlClientConfig.impl.ui; | ||
|
|
||
| import java.util.HashMap; | ||
| import java.util.Map; | ||
| import java.util.regex.Matcher; | ||
| import java.util.regex.Pattern; | ||
|
|
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| import io.github.axolotlclient.AxolotlClientConfig.api.util.Color; | ||
| import org.lwjgl.nanovg.NVGColor; | ||
| import org.lwjgl.nanovg.NanoVG; | ||
|
|
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| public class FormattingUtil implements DrawingUtil { | ||
| private static final FormattingUtil INSTANCE = new FormattingUtil(); | ||
| private static final Pattern FORMATTING_CODE_PATTERN = Pattern.compile("(?i)§[0-9A-FK-OR]"); | ||
| private static final Pattern PARAGRAPH_PATTERN = Pattern.compile("§"); | ||
| private final Map<Character, NVGColor> MINECRAFT_COLOR_CODES; | ||
|
|
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| static FormattingUtil getInstance() { | ||
| return INSTANCE; | ||
| } | ||
|
|
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| private FormattingUtil() { | ||
| Map<Character, NVGColor> map = new HashMap<>(); | ||
| map.put('0', toNVGColor(0)); // black | ||
| map.put('1', toNVGColor(179)); // dark blue | ||
| map.put('2', toNVGColor(43520)); // dark green | ||
| map.put('3', toNVGColor(43690)); // dark aqua | ||
| map.put('4', toNVGColor(11141120)); // dark red | ||
| map.put('5', toNVGColor(11141290)); // dark purple | ||
| map.put('6', toNVGColor(16755200)); // gold | ||
| map.put('7', toNVGColor(11184810)); // gray | ||
| map.put('8', toNVGColor(5592405)); // dark gray | ||
| map.put('9', toNVGColor(5592575)); // blue | ||
| map.put('a', toNVGColor(5635925)); // green | ||
| map.put('b', toNVGColor(5636095)); // aqua | ||
| map.put('c', toNVGColor(16733525)); // red | ||
| map.put('d', toNVGColor(16733695)); // light_purple | ||
| map.put('e', toNVGColor(16777045)); // yellow | ||
| map.put('f', toNVGColor(16777215)); // white | ||
| MINECRAFT_COLOR_CODES = map; | ||
| MINECRAFT_COLOR_CODES.values().forEach(c -> c.a(1)); | ||
| } | ||
|
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|
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| public float drawStringWithFormatting(long ctx, NVGFont font, String text, float x, float y, Color color) { | ||
| if (text.contains("§")) { // work out Minecraft's formatting codes | ||
| Matcher matcher = FORMATTING_CODE_PATTERN.matcher(text); | ||
| if (matcher.find()) { | ||
| boolean boldItalicSupported = font instanceof VariantFont; | ||
| float lineHeight = font.getLineHeight(); | ||
| String[] parts = PARAGRAPH_PATTERN.split(text); | ||
| NVGColor textColor = color.toNVG(); | ||
| float partX = x; | ||
| float lastPartX; | ||
| boolean strikethrough = false, italic = false, bold = false, underlined = false; | ||
| for (String part : parts) { | ||
| if (part.isEmpty()) { | ||
| continue; | ||
| } | ||
| char first = part.charAt(0); | ||
| switch (first) { | ||
| case 'm': | ||
| strikethrough = true; | ||
| break; | ||
| case 'k': // obfuscated | ||
| break; | ||
| case 'l': | ||
| bold = boldItalicSupported; | ||
| break; | ||
| case 'n': | ||
| underlined = true; | ||
| break; | ||
| case 'o': | ||
| italic = boldItalicSupported; | ||
| break; | ||
| case 'r': | ||
| strikethrough = italic = bold = underlined = false; | ||
| break; | ||
| default: | ||
| textColor = MINECRAFT_COLOR_CODES.getOrDefault(first, color.toNVG()); | ||
| } | ||
| NanoVG.nvgFillColor(ctx, textColor); | ||
| if (bold || italic) { // bold and italic actually are separate fonts | ||
| partX = ((VariantFont) font).renderString(part.substring(1), lastPartX = partX, y, italic, bold); | ||
| } else { | ||
| partX = font.renderString(part.substring(1), lastPartX = partX, y); | ||
| } | ||
| if (underlined || strikethrough) { | ||
| NanoVG.nvgBeginPath(ctx); | ||
| if (underlined) { | ||
| NanoVG.nvgMoveTo(ctx, lastPartX, y + lineHeight + 1); | ||
| NanoVG.nvgLineTo(ctx, partX, y + lineHeight + 1); | ||
| } | ||
| if (strikethrough) { | ||
| NanoVG.nvgMoveTo(ctx, lastPartX, y + lineHeight / 2 + 1); | ||
| NanoVG.nvgLineTo(ctx, partX, y + lineHeight / 2 + 1); | ||
| } | ||
| NanoVG.nvgFill(ctx); | ||
| } | ||
| } | ||
| return partX; | ||
| } | ||
| } | ||
| NanoVG.nvgFillColor(ctx, color.toNVG()); | ||
| font.bind(); | ||
| return font.renderString(text, x, y); | ||
| } | ||
| } |
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