From 0f7ed0db4b5671c9ca72b81b6f4cca3f1a51af89 Mon Sep 17 00:00:00 2001
From: MattMX <mangrovethefox@outlook.com>
Date: Sun, 1 Dec 2024 01:02:01 +0000
Subject: [PATCH] :bug: Add Legacy hex code converter #32

---
 .../com/mattmx/nametags/EventsListener.java   | 24 +++++++++--------
 .../mattmx/nametags/config/TextFormatter.java | 27 ++++++++++++++++++-
 2 files changed, 39 insertions(+), 12 deletions(-)

diff --git a/src/main/java/com/mattmx/nametags/EventsListener.java b/src/main/java/com/mattmx/nametags/EventsListener.java
index cdc325e..9f3aed6 100644
--- a/src/main/java/com/mattmx/nametags/EventsListener.java
+++ b/src/main/java/com/mattmx/nametags/EventsListener.java
@@ -5,6 +5,8 @@
 import com.mattmx.nametags.entity.trait.SneakTrait;
 import org.bukkit.event.EventHandler;
 import org.bukkit.event.Listener;
+import org.bukkit.event.entity.EntityDeathEvent;
+import org.bukkit.event.entity.EntityRemoveEvent;
 import org.bukkit.event.player.PlayerChangedWorldEvent;
 import org.bukkit.event.player.PlayerJoinEvent;
 import org.bukkit.event.player.PlayerQuitEvent;
@@ -26,17 +28,17 @@ public void onPlayerJoin(@NotNull PlayerJoinEvent event) {
             .updateVisibility();
     }
 
-    @EventHandler
-    public void onEntityRemove(@NotNull EntityRemoveFromWorldEvent event) {
-        plugin.getEntityManager().removeLastSentPassengersCache(event.getEntity().getEntityId());
-
-        NameTagEntity entity = plugin.getEntityManager()
-            .removeEntity(event.getEntity());
-
-        if (entity != null) {
-            entity.destroy();
-        }
-    }
+//    @EventHandler
+//    public void onEntityRemove(@NotNull EntityRemoveFromWorldEvent event) {
+//        plugin.getEntityManager().removeLastSentPassengersCache(event.getEntity().getEntityId());
+//
+//        NameTagEntity entity = plugin.getEntityManager()
+//            .removeEntity(event.getEntity());
+//
+//        if (entity != null) {
+//            entity.destroy();
+//        }
+//    }
 
     @EventHandler
     public void onPlayerQuit(@NotNull PlayerQuitEvent event) {
diff --git a/src/main/java/com/mattmx/nametags/config/TextFormatter.java b/src/main/java/com/mattmx/nametags/config/TextFormatter.java
index 0850398..8630e2e 100644
--- a/src/main/java/com/mattmx/nametags/config/TextFormatter.java
+++ b/src/main/java/com/mattmx/nametags/config/TextFormatter.java
@@ -8,6 +8,8 @@
 import java.util.Arrays;
 import java.util.Optional;
 import java.util.function.Function;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
 
 public enum TextFormatter {
     MINI_MESSAGE(
@@ -16,10 +18,33 @@ public enum TextFormatter {
     ),
     LEGACY(
         "legacy",
-        (line) -> getLegacySerializer().deserialize(line)
+        (line) -> getLegacySerializer().deserialize(convertLegacyHex(line))
     )
     ;
 
+    // Converts legacy hex format &x&9&0&0&c&3&f to modern hex format &#900c3f
+    // https://github.com/Matt-MX/DisplayNameTags/issues/32#issuecomment-2509403581
+    private static String convertLegacyHex(String input) {
+        //regex to match the legacy hex format
+        String legacyHexPattern = "&x(&[0-9a-fA-F]){6}";
+        Pattern pattern = Pattern.compile(legacyHexPattern);
+        Matcher matcher = pattern.matcher(input);
+
+        StringBuilder result = new StringBuilder();
+        while (matcher.find()) {
+            String legacyHex = matcher.group();
+            //extract hex digits from the legacy format
+            String hexColor = legacyHex.replace("&x", "")
+                .replace("&", "");
+            //replace with modern format
+            String modernHex = "&#" + hexColor;
+            matcher.appendReplacement(result, modernHex);
+        }
+        matcher.appendTail(result);
+
+        return result.toString();
+    }
+
     private static final LegacyComponentSerializer legacy = LegacyComponentSerializer.builder()
         .character('&')
         .hexCharacter('#')