Fix MC chat scale not being linked with Chatting's

Author: Wyvest

src/main/java/org/polyfrost/chatting/mixin/GameSettingsMixin.java

@@ -0,0 +1,21 @@
+package org.polyfrost.chatting.mixin;
+
+import net.minecraft.client.Minecraft;
+import net.minecraft.client.settings.GameSettings;
+import org.objectweb.asm.Opcodes;
+import org.polyfrost.chatting.config.ChattingConfig;
+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.callback.CallbackInfo;
+
+@Mixin(GameSettings.class)
+public class GameSettingsMixin {
+    @Shadow protected Minecraft mc;
+
+    @Inject(method = "setOptionFloatValue", at = @At(value = "FIELD", target = "Lnet/minecraft/client/settings/GameSettings;chatScale:F", opcode = Opcodes.PUTFIELD, shift = At.Shift.AFTER))
+    private void onChatScaleChange(GameSettings.Options settingsOption, float value, CallbackInfo ci) {
+        ChattingConfig.INSTANCE.getChatWindow().updateMCChatScale();
+    }
+}

src/main/kotlin/org/polyfrost/chatting/Chatting.kt

@@ -74,6 +74,16 @@ object Chatting {
     @Mod.EventHandler
     fun onInitialization(event: FMLInitializationEvent) {
         ChattingConfig
+        if (!ChattingConfig.enabled) {
+            ChattingConfig.enabled = true
+            ChattingConfig.save()
+        }
+        if (!ChattingConfig.chatWindow.transferOverScale) {
+            ChattingConfig.chatWindow.normalScale = ChattingConfig.chatWindow.scale
+            ChattingConfig.chatWindow.transferOverScale = true
+            ChattingConfig.save()
+        }
+        ChattingConfig.chatWindow.updateMCChatScale()
         CommandManager.INSTANCE.registerCommand(ChattingCommand())
         ClientRegistry.registerKeyBinding(keybind)
         EVENT_BUS.register(this)

src/main/kotlin/org/polyfrost/chatting/chat/ChatWindow.kt

@@ -69,6 +69,10 @@ class ChatWindow : BasicHud(true, 2f, 1080 - 27f - 45f - 12f,
     @Exclude
     var wasInChatGui = false
 
+    var normalScale = 1f
+    var lastChatGuiScale = -1f
+    var transferOverScale = false
+
     @Switch(
         name = "Custom Chat Height",
         description = "Set a custom height for the chat window. Allows for more customization than the vanilla chat height options."
@@ -279,4 +283,15 @@ class ChatWindow : BasicHud(true, 2f, 1080 - 27f - 45f - 12f,
         bgColor = color
     }
 
+    override fun setScale(scale: Float, example: Boolean) {
+        super.setScale(scale, example)
+        normalScale = scale
+    }
+
+    fun updateMCChatScale() {
+        if (ChattingConfig.chatWindow.lastChatGuiScale != mc.gameSettings.chatScale) {
+            ChattingConfig.chatWindow.scale = ChattingConfig.chatWindow.normalScale * mc.gameSettings.chatScale
+        }
+    }
+
 }

src/main/kotlin/org/polyfrost/chatting/config/ChattingConfig.kt

@@ -26,7 +26,7 @@ object ChattingConfig : Config(
         ModType.UTIL_QOL,
         "/chatting_dark.svg",
         VigilanceMigrator(File(Chatting.oldModDir, Chatting.ID + ".toml").toPath().toString())
-    ), "chatting.json"
+    ), "chatting.json", true, false
 ) {
 
     @Dropdown(

src/main/resources/mixins.chatting.json

@@ -9,6 +9,7 @@
     "ClientCommandHandlerMixin",
     "EntityPlayerSPMixin",
     "EntityRendererMixin",
+    "GameSettingsMixin",
     "GuiChatMixin",
     "GuiIngameForgeAccessor",
     "GuiIngameForgeMixin",