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Есть ли более лёгкий (возможно даже стандартный) способ использования HEX цветов и/или градиентов? Просто то что я скопипастил с плагина Chatty - меня пугает.
Java:
import com.google.common.base.Preconditions;
import net.md_5.bungee.api.ChatColor;
import lombok.experimental.UtilityClass;
import java.awt.*;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
@UtilityClass
public class FormatChatColor {
private final Pattern HEX_COLORS_PATTERN = Pattern.compile("\\{#([a-fA-F0-9]{6})}");
private final Pattern HEX_GRADIENT_PATTERN = Pattern.compile("\\{#([a-fA-F0-9]{6})(:#([a-fA-F0-9]{6}))+( )([^{}])*(})");
private final Pattern HEX_SPIGOT_PATTERN = Pattern.compile("§[xX](§[a-fA-F0-9]){6}");
private final List<ChatColor> FORMAT_COLORS = Arrays.asList(ChatColor.BOLD, ChatColor.ITALIC, ChatColor.UNDERLINE, ChatColor.MAGIC, ChatColor.STRIKETHROUGH, ChatColor.RESET);
public ChatColor parseChatColor(String string) {
Preconditions.checkArgument(string != null, "string cannot be null");
if (string.startsWith("#") && string.length() == 7) {
return ChatColor.of(string);
}
return ChatColor.valueOf(string);
}
public boolean isColor(ChatColor color) {
for (ChatColor formatColor : FORMAT_COLORS) {
if (formatColor == color) {
return false;
}
}
return true;
}
public boolean isFormat(ChatColor color) {
return !isColor(color);
}
/**
* Removes spigot hex-codes from string
*
* @param str string to strip hex
* @return stripped string
*/
public String stripHex(String str) {
if (str == null) {
return null;
}
Matcher matcher = HEX_SPIGOT_PATTERN.matcher(str);
return matcher.replaceAll("");
}
/**
* Finds simple and gradient hex patterns in string and converts it to Spigot format
*
* @param text string to stylish
* @return stylished string
*/
public String stylish(String text) {
if (text == null) {
return null;
}
Matcher matcher = HEX_GRADIENT_PATTERN.matcher(text);
StringBuffer stringBuffer = new StringBuffer();
while (matcher.find()) {
String gradient = matcher.group();
int groups = 0;
for (int i = 1; gradient.charAt(i) == '#'; i += 8) {
groups++;
}
Color[] colors = new Color[groups];
for (int i = 0; i < groups; i++) {
colors[i] = ChatColor.of(gradient.substring((8 * i) + 1, (8 * i) + 8)).getColor();
}
String substring = gradient.substring((groups - 1) * 8 + 9, gradient.length() - 1);
char[] chars = substring.toCharArray();
StringBuilder gradientBuilder = new StringBuilder();
int colorLength = chars.length / (colors.length - 1);
int lastColorLength;
if (colorLength == 0) {
colorLength = 1;
lastColorLength = 1;
colors = Arrays.copyOfRange(colors, 0, chars.length);
} else {
lastColorLength = chars.length % (colorLength * (colors.length - 1)) + colorLength;
}
List<ChatColor> currentStyles = new ArrayList<>();
for (int i = 0; i < (colors.length - 1); i++) {
int currentColorLength = ((i == colors.length - 2) ? lastColorLength : colorLength);
for (int j = 0; j < currentColorLength; j++) {
Color color = calculateGradientColor(j + 1, currentColorLength, colors[i], colors[i + 1]);
ChatColor chatColor = ChatColor.of(color);
int charIndex = colorLength * i + j;
if (charIndex + 1 < chars.length) {
if (chars[charIndex] == '&' || chars[charIndex] == '§') {
if (chars[charIndex + 1] == 'r') {
currentStyles.clear();
j++;
continue;
}
ChatColor style = ChatColor.getByChar(chars[charIndex + 1]);
if (style != null) {
currentStyles.add(style);
j++;
continue;
}
}
}
StringBuilder builder = gradientBuilder.append(chatColor.toString());
for (ChatColor currentStyle : currentStyles) {
builder.append(currentStyle.toString());
}
builder.append(chars[charIndex]);
}
}
matcher.appendReplacement(stringBuffer, gradientBuilder.toString());
}
matcher.appendTail(stringBuffer);
text = stringBuffer.toString();
matcher = HEX_COLORS_PATTERN.matcher(text);
stringBuffer = new StringBuffer();
while (matcher.find()) {
String hexColorString = matcher.group();
matcher.appendReplacement(stringBuffer, ChatColor.of(hexColorString.substring(1, hexColorString.length() - 1)).toString());
}
matcher.appendTail(stringBuffer);
return ChatColor.translateAlternateColorCodes('&', stringBuffer.toString());
}
private Color calculateGradientColor(int x, int parts, Color from, Color to) {
double p = (double) (parts - x + 1) / (double) parts;
return new Color(
(int) (from.getRed() * p + to.getRed() * (1 - p)),
(int) (from.getGreen() * p + to.getGreen() * (1 - p)),
(int) (from.getBlue() * p + to.getBlue() * (1 - p))
);
}
}
