Fix TextWrapping issues; Now limits the packets send to the client to either: 119 chars or 320 width. This will strip disallowed characters, propagate colors properly to the next line and not 'eat' multiple color-codes.

src/main/java/net/minecraft/server/NetServerHandler.java

@@ -14,6 +14,7 @@ import org.bukkit.craftbukkit.block.CraftBlock;
 import org.bukkit.craftbukkit.entity.CraftPlayer;
 import org.bukkit.craftbukkit.event.CraftEventFactory;
 import org.bukkit.craftbukkit.CraftServer;
+import org.bukkit.craftbukkit.TextWrapper;
 import org.bukkit.entity.Player;
 import org.bukkit.event.Event;
 import org.bukkit.event.block.*;
@@ -579,9 +580,15 @@ public class NetServerHandler extends NetHandler implements ICommandListener {
         if (packet instanceof Packet6SpawnPosition) {
             Packet6SpawnPosition packet6 = (Packet6SpawnPosition) packet;
             this.player.compassTarget = new Location(getPlayer().getWorld(), packet6.x, packet6.y, packet6.z);
+        } else if (packet instanceof Packet3Chat) {
+            String message = ((Packet3Chat) packet).a;
+            for (final String line: TextWrapper.wrapText(message)) {
+                this.networkManager.a(new Packet3Chat(line));
+            }
+            packet = null;
         }
+        if (packet != null) this.networkManager.a(packet);
         // CraftBukkit
-        this.networkManager.a(packet);
         this.g = this.f;
     }
 

src/main/java/net/minecraft/server/Packet.java

@@ -150,9 +150,9 @@ public abstract class Packet {
         }
     }
 
-    public abstract void a(DataInputStream datainputstream);
+    public abstract void a(DataInputStream datainputstream) throws IOException; // CraftBukkit
 
-    public abstract void a(DataOutputStream dataoutputstream);
+    public abstract void a(DataOutputStream dataoutputstream) throws IOException; // CraftBukkit
 
     public abstract void a(NetHandler nethandler);
 

src/main/java/net/minecraft/server/Packet3Chat.java

@@ -0,0 +1,38 @@
+package net.minecraft.server;
+
+import java.io.DataInputStream;
+import java.io.DataOutputStream;
+import java.io.IOException;
+
+public class Packet3Chat extends Packet {
+
+    public String a;
+
+    public Packet3Chat() {}
+
+    public Packet3Chat(String s) {
+        // CraftBukkit start - handle this later
+        //if (s.length() > 119) {
+        //    s = s.substring(0, 119);
+        //}
+        // CraftBukkit end
+
+        this.a = s;
+    }
+
+    public void a(DataInputStream datainputstream) throws IOException { // CraftBukkit
+        this.a = a(datainputstream, 119);
+    }
+
+    public void a(DataOutputStream dataoutputstream) throws IOException { // CraftBukkit
+        a(this.a, dataoutputstream);
+    }
+
+    public void a(NetHandler nethandler) {
+        nethandler.a(this);
+    }
+
+    public int a() {
+        return this.a.length();
+    }
+}