Ignore text size if starts with command (. by default)

src/main/java/anticope/rejects/mixin/ChatScreenMixin.java

@@ -0,0 +1,50 @@
+package anticope.rejects.mixin;
+
+import meteordevelopment.meteorclient.systems.modules.Modules;
+import meteordevelopment.meteorclient.systems.modules.misc.BetterChat;
+import meteordevelopment.meteorclient.systems.config.Config;
+import net.minecraft.client.gui.screen.ChatScreen;
+import net.minecraft.client.gui.widget.TextFieldWidget;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.Shadow;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Inject;
+import org.spongepowered.asm.mixin.injection.ModifyArg;
+import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
+import org.spongepowered.asm.mixin.injection.callback.CallbackInfoReturnable;
+
+@Mixin(ChatScreen.class)
+public abstract class ChatScreenMixin {
+    @Shadow protected TextFieldWidget chatField;
+
+    @Inject(method = "onChatFieldUpdate", at = @At("HEAD"))
+    private void onChatFieldUpdate(String chatText, CallbackInfo ci) {
+        setCommandMaxLength(chatText);
+    }
+
+    @ModifyArg(method = "setChatFromHistory", at = @At(value = "INVOKE", target = "Lnet/minecraft/client/gui/widget/TextFieldWidget;setText(Ljava/lang/String;)V"))
+    private String setText(String text) {
+        setCommandMaxLength(text);
+        return text;
+    }
+
+    private void setCommandMaxLength(String message) {
+		String prefix = Config.get().prefix.get();
+
+        if (message.startsWith(prefix) || (Modules.get().get(BetterChat.class).isInfiniteChatBox()))
+            chatField.setMaxLength(Integer.MAX_VALUE);
+        else {
+            if (chatField.getCursor() > 256)
+                chatField.setCursor(Math.min(256, chatField.getText().length()));
+            chatField.setMaxLength(256);
+        }
+    }
+
+    @Inject(method = "normalize", at = @At(value = "HEAD"), cancellable = true)
+    private void avoidNormalizeWithCommand(String str, CallbackInfoReturnable<String> cir) {
+		String prefix = Config.get().prefix.get();
+
+        if (str.startsWith(prefix) || (Modules.get().get(BetterChat.class).isInfiniteChatBox()))
+            cir.setReturnValue(str);
+    }
+}

src/main/resources/meteor-rejects.mixins.json

@@ -21,7 +21,9 @@
     "TexturedRenderLayersMixin",
     "ToastManagerMixin",
     "VehicleMoveC2SPacketAccessor",
-    "baritone.MineProcessMixin"
+    "baritone.MineProcessMixin",
+    "MixinEntity",
+    "ChatScreenMixin"
   ],
   "injectors": {
     "defaultRequire": 1