Initial commit: LoChat v1.0.0 with Gradient module

src/main/java/com/loki/lochat/gradient/util/DisplayNameUtil.java

@@ -0,0 +1,118 @@
+package com.loki.lochat.gradient.util;
+
+import com.loki.lochat.gradient.GradientModule;
+import com.loki.lochat.gradient.config.GradientConfig;
+import com.loki.lochat.gradient.data.GradientPlayerData;
+import net.kyori.adventure.text.serializer.legacy.LegacyComponentSerializer;
+import org.bukkit.entity.Player;
+
+import java.util.List;
+
+/**
+ * Утилита для обновления отображаемого имени игрока
+ */
+public final class DisplayNameUtil {
+
+    private static final LegacyComponentSerializer SERIALIZER = LegacyComponentSerializer.builder()
+            .character('&')
+            .hexCharacter('#')
+            .hexColors()
+            .build();
+
+    private DisplayNameUtil() {}
+
+    public static void updateDisplayName(GradientModule module, Player player, GradientPlayerData data) {
+        GradientConfig cfg = module.getConfig();
+        
+        String prefix = null;
+        String prefixFormat = cfg.getPrefixFormat();
+        
+        if (data.isPrefixEnabled() && data.hasPrefix()) {
+            prefix = data.getPrefix();
+        } else {
+            String lpPrefix = module.getLuckPermsHook().getActivePrefix(player);
+            if (lpPrefix != null && !lpPrefix.isEmpty()) {
+                String displayName = buildWithLuckPermsPrefix(
+                        lpPrefix, 
+                        player.getName(), 
+                        data.isColorEnabled() ? data.getColors() : null, 
+                        cfg.isUseLegacyRgbFormat(),
+                        cfg.isContinuousGradient()
+                );
+                var component = SERIALIZER.deserialize(displayName);
+                player.displayName(component);
+                player.playerListName(component);
+                return;
+            }
+        }
+        
+        String displayName = GradientUtil.buildDisplayName(
+                prefix,
+                player.getName(),
+                data.isColorEnabled() ? data.getColors() : null,
+                cfg.isGradientOnPrefix(),
+                cfg.isContinuousGradient(),
+                prefixFormat,
+                cfg.isUseLegacyRgbFormat()
+        );
+        var component = SERIALIZER.deserialize(displayName);
+        player.displayName(component);
+        player.playerListName(component);
+    }
+
+    private static String buildWithLuckPermsPrefix(String lpPrefix, String nick, 
+                                                    List<String> colors, 
+                                                    boolean useLegacyFormat,
+                                                    boolean continuousGradient) {
+        if (colors == null || colors.isEmpty()) {
+            return lpPrefix + nick;
+        }
+        
+        if (continuousGradient) {
+            String cleanPrefix = stripColors(lpPrefix);
+            String fullText = cleanPrefix + nick;
+            return GradientUtil.applyGradient(fullText, colors, useLegacyFormat);
+        } else {
+            return lpPrefix + GradientUtil.applyGradient(nick, colors, useLegacyFormat);
+        }
+    }
+
+    private static String stripColors(String text) {
+        if (text == null) return null;
+        return text.replaceAll("(?i)(§x(§[0-9a-f]){6}|§[0-9a-fk-or]|&[0-9a-fk-or]|&#[0-9a-f]{6})", "");
+    }
+
+    public static String buildColoredPrefix(GradientModule module, GradientPlayerData data) {
+        if (!data.hasPrefix() || !data.isPrefixEnabled()) return null;
+        
+        GradientConfig cfg = module.getConfig();
+        String prefix = cfg.getPrefixFormat().replace("{prefix}", data.getPrefix()).stripTrailing();
+        
+        return (data.hasColors() && data.isColorEnabled() && cfg.isGradientOnPrefix())
+                ? GradientUtil.applyGradient(prefix, data.getColors(), cfg.isUseLegacyRgbFormat())
+                : prefix;
+    }
+
+    /**
+     * Получает полное отображаемое имя игрока с градиентом
+     */
+    public static String getFullDisplayName(GradientModule module, Player player) {
+        GradientPlayerData data = module.getDataManager().getPlayerData(player.getUniqueId());
+        GradientConfig cfg = module.getConfig();
+        
+        String prefix = null;
+        if (data.isPrefixEnabled() && data.hasPrefix()) {
+            prefix = data.getPrefix();
+        }
+        
+        return GradientUtil.buildDisplayName(
+                prefix,
+                player.getName(),
+                data.isColorEnabled() ? data.getColors() : null,
+                cfg.isGradientOnPrefix(),
+                cfg.isContinuousGradient(),
+                cfg.getPrefixFormat(),
+                cfg.isUseLegacyRgbFormat()
+        );
+    }
+}