feat: jank way to prevent chat clearing

src/main/java/ftbsc/bscv/patches/ChatPatch.java

@@ -0,0 +1,32 @@
+package ftbsc.bscv.patches;
+
+import ftbsc.lll.processor.annotations.Injector;
+import ftbsc.lll.processor.annotations.Patch;
+import ftbsc.lll.processor.annotations.Target;
+import net.minecraft.client.gui.NewChatGui;
+import org.objectweb.asm.Opcodes;
+import org.objectweb.asm.tree.*;
+
+
+public class ChatPatch {
+
+	@Patch(value = NewChatGui.class, reason = "add hook to prevent chat from being cleared")
+	public abstract static class ChatClearInterceptor implements Opcodes {
+
+		/*
+		 * TODO this patch is pretty bad because it prevents everyone from clearing the chat history.
+		 *
+		 * A better (but more complex) approach would be to patch in Minecraft.setScreen() and prevent clearing 
+		 *  chat history upon getting into main menu / multiplayer menu
+		 */
+
+		@Target
+		abstract void clearMessages(boolean clearSent);
+
+		@Injector
+		public void inject(ClassNode clazz, MethodNode main) {
+			main.instructions.insert(new InsnNode(RETURN));
+		}
+	}
+
+}