From 2ee6402c1a97ffb09db0ac46a7776dd1f8c90f1b Mon Sep 17 00:00:00 2001
From: Alexander01998 <contact.wurstimperium@gmail.com>
Date: Mon, 22 Jul 2024 17:23:00 +0200
Subject: [PATCH] Cache own message pattern for better performance

---
 .../wurstclient/hacks/ChatTranslatorHack.java | 22 ++++++++++++++-----
 1 file changed, 16 insertions(+), 6 deletions(-)

diff --git a/src/main/java/net/wurstclient/hacks/ChatTranslatorHack.java b/src/main/java/net/wurstclient/hacks/ChatTranslatorHack.java
index f72e9931..db92042b 100644
--- a/src/main/java/net/wurstclient/hacks/ChatTranslatorHack.java
+++ b/src/main/java/net/wurstclient/hacks/ChatTranslatorHack.java
@@ -40,6 +40,9 @@ public final class ChatTranslatorHack extends Hack implements ChatInputListener
 			+ " might not work correctly on some servers.",
 		true);
 	
+	private Pattern ownMessagePattern;
+	private String lastUsername;
+	
 	public ChatTranslatorHack()
 	{
 		super("ChatTranslator");
@@ -82,15 +85,22 @@ public final class ChatTranslatorHack extends Hack implements ChatInputListener
 	
 	private boolean isOwnMessage(String message)
 	{
-		// Escape username for regex
-		String playerName = Pattern.quote(MC.getSession().getUsername());
+		updateOwnMessagePattern();
+		return ownMessagePattern.matcher(message).find();
+	}
+	
+	private void updateOwnMessagePattern()
+	{
+		String username = MC.getSession().getUsername();
+		if(username.equals(lastUsername))
+			return;
 		
-		// Allow up to 2 ranks before the username
 		String rankPattern = "(?:\\[[^\\]]+\\] ?){0,2}";
+		String namePattern = Pattern.quote(username);
+		String regex = "^" + rankPattern + "[<\\[]?" + namePattern + "[>\\]:]";
 		
-		// Build regex and check if it matches
-		String regex = "^" + rankPattern + "[<\\[]?" + playerName + "[>\\]:]";
-		return Pattern.compile(regex).matcher(message).find();
+		ownMessagePattern = Pattern.compile(regex);
+		lastUsername = username;
 	}
 	
 	private void showTranslated(String message, Language fromLang,