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Merge pull request #7 from RedCarl/master
feat(color): ColorParser RGB gradient color support.
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commit
d2b3224b61
@ -1,6 +1,11 @@
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package cc.carm.lib.easyplugin.utils;
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import net.md_5.bungee.api.ChatColor;
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import java.awt.*;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.LinkedList;
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import java.util.List;
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import java.util.regex.Matcher;
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import java.util.regex.Pattern;
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@ -41,4 +46,72 @@ public class ColorParser {
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.collect(Collectors.joining("", '§' + "x", ""));
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}
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private static final String RAW_GRADIENT_HEX_REGEX = "<\\$#[A-Fa-f0-9]{6}>";
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public static String gradient(String legacyMsg) {
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List<String> hexes = new ArrayList<>();
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Matcher matcher = Pattern.compile(RAW_GRADIENT_HEX_REGEX).matcher(legacyMsg);
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while (matcher.find()) {
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hexes.add(matcher.group().replace("<$", "").replace(">", ""));
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}
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int hexIndex = 0;
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List<String> texts = new LinkedList<>(Arrays.asList(legacyMsg.split(RAW_GRADIENT_HEX_REGEX)));
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StringBuilder finalMsg = new StringBuilder();
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for (String text : texts) {
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if (texts.get(0).equalsIgnoreCase(text)) {
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finalMsg.append(text);
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continue;
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}
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if (text.length() == 0) continue;
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if (hexIndex + 1 >= hexes.size()) {
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if (!finalMsg.toString().contains(text)) finalMsg.append(text);
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continue;
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}
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String fromHex = hexes.get(hexIndex);
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String toHex = hexes.get(hexIndex + 1);
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finalMsg.append(insertFades(text, fromHex, toHex, text.contains("&l"), text.contains("&o"), text.contains("&n"), text.contains("&m"), text.contains("&k")));
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hexIndex++;
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}
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return finalMsg.toString().replace("&","§");
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}
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private static String insertFades(String msg, String fromHex, String toHex, boolean bold, boolean italic, boolean underlined, boolean strikethrough, boolean magic) {
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msg = msg.replaceAll("&k", "");
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msg = msg.replaceAll("&l", "");
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msg = msg.replaceAll("&m", "");
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msg = msg.replaceAll("&n", "");
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msg = msg.replaceAll("&o", "");
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int length = msg.length();
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Color fromRGB = Color.decode(fromHex);
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Color toRGB = Color.decode(toHex);
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double rStep = Math.abs((double) (fromRGB.getRed() - toRGB.getRed()) / length);
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double gStep = Math.abs((double) (fromRGB.getGreen() - toRGB.getGreen()) / length);
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double bStep = Math.abs((double) (fromRGB.getBlue() - toRGB.getBlue()) / length);
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if (fromRGB.getRed() > toRGB.getRed()) rStep = -rStep; //200, 100
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if (fromRGB.getGreen() > toRGB.getGreen()) gStep = -gStep; //200, 100
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if (fromRGB.getBlue() > toRGB.getBlue()) bStep = -bStep; //200, 100
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Color finalColor = new Color(fromRGB.getRGB());
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msg = msg.replaceAll(RAW_GRADIENT_HEX_REGEX, "");
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msg = msg.replace("", "<$>");
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for (int index = 0; index <= length; index++) {
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int red = (int) Math.round(finalColor.getRed() + rStep);
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int green = (int) Math.round(finalColor.getGreen() + gStep);
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int blue = (int) Math.round(finalColor.getBlue() + bStep);
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if (red > 255) red = 255; if (red < 0) red = 0;
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if (green > 255) green = 255; if (green < 0) green = 0;
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if (blue > 255) blue = 255; if (blue < 0) blue = 0;
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finalColor = new Color(red, green, blue);
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String hex = "#" + Integer.toHexString(finalColor.getRGB()).substring(2);
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String formats = "";
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if (bold) formats += "l";
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if (italic) formats += "o";
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if (underlined) formats += "n";
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if (strikethrough) formats += "m";
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if (magic) formats += "k";
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// Todo ChatColor 能替换掉就好了
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msg = msg.replaceFirst("<\\$>", "" + ChatColor.stripColor(hex) + formats);
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}
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return msg;
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}
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}
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