do not use ModifyArgs

fixes #18

common/src/main/java/moe/caramel/chat/mixin/MixinSignEditScreen.java

@@ -1,9 +1,13 @@
 package moe.caramel.chat.mixin;
 
+import com.llamalad7.mixinextras.injector.wrapoperation.Operation;
+import com.llamalad7.mixinextras.injector.wrapoperation.WrapOperation;
 import moe.caramel.chat.controller.ScreenController;
 import moe.caramel.chat.wrapper.AbstractIMEWrapper;
 import moe.caramel.chat.wrapper.WrapperSignEditScreen;
 import net.minecraft.ChatFormatting;
+import net.minecraft.client.gui.Font;
+import net.minecraft.client.gui.GuiGraphics;
 import net.minecraft.client.gui.font.TextFieldHelper;
 import net.minecraft.client.gui.screens.inventory.AbstractSignEditScreen;
 import net.minecraft.world.level.block.entity.SignBlockEntity;
@@ -14,11 +18,9 @@
 import org.spongepowered.asm.mixin.Unique;
 import org.spongepowered.asm.mixin.injection.At;
 import org.spongepowered.asm.mixin.injection.Inject;
-import org.spongepowered.asm.mixin.injection.ModifyArgs;
 import org.spongepowered.asm.mixin.injection.Redirect;
 import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
 import org.spongepowered.asm.mixin.injection.callback.CallbackInfoReturnable;
-import org.spongepowered.asm.mixin.injection.invoke.arg.Args;
 import java.util.function.Consumer;
 
 /**
@@ -76,36 +78,36 @@ private boolean helperKeyPressed(final TextFieldHelper helper, final int key) {
         return result;
     }
 
-    @ModifyArgs(
+    @WrapOperation(
         method = "renderSignText",
         at = @At(
             value = "INVOKE",
             target = "Lnet/minecraft/client/gui/GuiGraphics;drawString(Lnet/minecraft/client/gui/Font;Ljava/lang/String;IIIZ)I",
             ordinal = 0
         )
     )
-    private void renderCaret(final Args args) {
+    private int renderCaret(final GuiGraphics instance, final Font font, final String text, final int x, final int y, final int color, final boolean dropShadow, final Operation<Integer> original) {
         // Check IME Status
-        final String original = args.get(1);
-        if (original.isEmpty() || caramelChat$wrapper.getStatus() == AbstractIMEWrapper.InputStatus.NONE) {
-            return;
+        if (text.isEmpty() || caramelChat$wrapper.getStatus() == AbstractIMEWrapper.InputStatus.NONE) {
+            return original.call(instance, font, text, x, y, color, dropShadow);
         }
 
         // Line Check (stupid way...)
         final int lineHeight = this.sign.getTextLineHeight();
         final int centerHeight = (4 * lineHeight / 2);
-        final int line = (((int) args.get(3) + centerHeight) / lineHeight);
+        final int line = ((y + centerHeight) / lineHeight);
         if (line != this.line) {
-            return;
+            return original.call(instance, font, text, x, y, color, dropShadow);
         }
 
         // Render Caret
         final int firstEndPos = caramelChat$wrapper.getFirstEndPos();
         final int secondStartPos = caramelChat$wrapper.getSecondStartPos();
 
-        final String first = original.substring(0, firstEndPos);
-        final String input = original.substring(firstEndPos, secondStartPos);
-        final String second = original.substring(secondStartPos);
-        args.set(1, first + ChatFormatting.UNDERLINE + input + ChatFormatting.RESET + second); // OMG..
+        final String first = text.substring(0, firstEndPos);
+        final String input = text.substring(firstEndPos, secondStartPos);
+        final String second = text.substring(secondStartPos);
+        final String result = (first + ChatFormatting.UNDERLINE + input + ChatFormatting.RESET + second); // OMG..
+        return original.call(instance, font, result, x, y, color, dropShadow);
     }
 }