Indent the data component and registry entry error messages on a new line

Author: ErrorCraft

src/main/java/net/errorcraft/codecium/mixin/minecraft/command/argument/ItemPredicateArgumentTypeExtender.java

@@ -0,0 +1,40 @@
+package net.errorcraft.codecium.mixin.minecraft.command.argument;
+
+import net.errorcraft.codecium.util.StringUtil;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.ModifyArg;
+
+public class ItemPredicateArgumentTypeExtender {
+    @Mixin(targets = "net/minecraft/command/argument/ItemPredicateArgumentType$ComponentCheck")
+    public static class ComponentCheckExtender {
+        @ModifyArg(
+            method = "method_58537",
+            at = @At(
+                value = "INVOKE",
+                target = "Lcom/mojang/brigadier/exceptions/Dynamic2CommandExceptionType;createWithContext(Lcom/mojang/brigadier/ImmutableStringReader;Ljava/lang/Object;Ljava/lang/Object;)Lcom/mojang/brigadier/exceptions/CommandSyntaxException;",
+                remap = false
+            ),
+            index = 2
+        )
+        private Object indentErrorMessage(Object a) {
+            return "\n" + StringUtil.indent(a.toString());
+        }
+    }
+
+    @Mixin(targets = "net/minecraft/command/argument/ItemPredicateArgumentType$SubPredicateCheck")
+    public static class SubPredicateCheckExtender {
+        @ModifyArg(
+            method = "method_58560",
+            at = @At(
+                value = "INVOKE",
+                target = "Lcom/mojang/brigadier/exceptions/Dynamic2CommandExceptionType;createWithContext(Lcom/mojang/brigadier/ImmutableStringReader;Ljava/lang/Object;Ljava/lang/Object;)Lcom/mojang/brigadier/exceptions/CommandSyntaxException;",
+                remap = false
+            ),
+            index = 2
+        )
+        private Object indentErrorMessage(Object a) {
+            return "\n" + StringUtil.indent(a.toString());
+        }
+    }
+}

src/main/java/net/errorcraft/codecium/mixin/minecraft/command/argument/ItemStringReaderExtender.java

@@ -0,0 +1,24 @@
+package net.errorcraft.codecium.mixin.minecraft.command.argument;
+
+import net.errorcraft.codecium.util.StringUtil;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.ModifyArg;
+
+public class ItemStringReaderExtender {
+    @Mixin(targets = "net/minecraft/command/argument/ItemStringReader$Reader")
+    public static class ReaderExtender {
+        @ModifyArg(
+            method = "method_57806",
+            at = @At(
+                value = "INVOKE",
+                target = "Lcom/mojang/brigadier/exceptions/Dynamic2CommandExceptionType;createWithContext(Lcom/mojang/brigadier/ImmutableStringReader;Ljava/lang/Object;Ljava/lang/Object;)Lcom/mojang/brigadier/exceptions/CommandSyntaxException;",
+                remap = false
+            ),
+            index = 2
+        )
+        private Object indentErrorMessage(Object a) {
+            return "\n" + StringUtil.indent(a.toString());
+        }
+    }
+}

src/main/java/net/errorcraft/codecium/mixin/minecraft/command/argument/RegistryEntryArgumentTypeExtender.java

@@ -0,0 +1,22 @@
+package net.errorcraft.codecium.mixin.minecraft.command.argument;
+
+import net.errorcraft.codecium.util.StringUtil;
+import net.minecraft.command.argument.RegistryEntryArgumentType;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.ModifyArg;
+
+@Mixin(RegistryEntryArgumentType.class)
+public class RegistryEntryArgumentTypeExtender {
+    @ModifyArg(
+        method = "method_58480",
+        at = @At(
+            value = "INVOKE",
+            target = "Lcom/mojang/brigadier/exceptions/DynamicCommandExceptionType;createWithContext(Lcom/mojang/brigadier/ImmutableStringReader;Ljava/lang/Object;)Lcom/mojang/brigadier/exceptions/CommandSyntaxException;",
+            remap = false
+        )
+    )
+    private static Object indentErrorMessage(Object arg) {
+        return "\n" + StringUtil.indent(arg.toString());
+    }
+}

src/main/resources/codecium.mixins.json

@@ -3,6 +3,10 @@
   "package": "net.errorcraft.codecium.mixin",
   "compatibilityLevel": "JAVA_21",
   "mixins": [
+    "minecraft.command.argument.ItemPredicateArgumentTypeExtender$ComponentCheckExtender",
+    "minecraft.command.argument.ItemPredicateArgumentTypeExtender$SubPredicateCheckExtender",
+    "minecraft.command.argument.ItemStringReaderExtender$ReaderExtender",
+    "minecraft.command.argument.RegistryEntryArgumentTypeExtender",
     "minecraft.nbt.NbtOpsExtender",
     "minecraft.nbt.NbtOpsExtender$MapLikeExtender",
     "minecraft.registry.entry.RegistryElementCodecExtender",