added Version 1.21.4 - 1.21.8

gradle.properties

@@ -2,9 +2,9 @@
 org.gradle.jvmargs=-Xmx1G
 # Fabric Properties
 # check these on https://fabricmc.net/develop/
-minecraft_version=1.20.5
-yarn_mappings=1.20.5+build.1
-loader_version=0.15.0
+minecraft_version=1.21.4
+yarn_mappings=1.21.4+build.1
+loader_version=0.16.9
 # Mod Properties
 mod_version=2.0.0
 maven_group=ml.unbreakinggold

src/main/java/ml/unbreakinggold/datapackinstaller/mixin/client/CreateWorldScreenMixin.java

@@ -1,35 +1,44 @@
 package ml.unbreakinggold.datapackinstaller.mixin.client;
 
 import ml.unbreakinggold.datapackinstaller.client.DatapackInstallerClient;
+import net.minecraft.client.MinecraftClient;
+import net.minecraft.client.gui.screen.Screen;
+import net.minecraft.client.gui.screen.world.CreateWorldCallback;
 import net.minecraft.client.gui.screen.world.CreateWorldScreen;
+import net.minecraft.client.world.GeneratorOptionsHolder;
 import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
 import org.jetbrains.annotations.Nullable;
 import org.spongepowered.asm.mixin.Mixin;
 import org.spongepowered.asm.mixin.Overwrite;
 import org.spongepowered.asm.mixin.Shadow;
 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.callback.CallbackInfo;
 
 import java.nio.file.Path;
+import java.util.Optional;
+import java.util.OptionalLong;
 
 @Mixin(CreateWorldScreen.class)
 public abstract class CreateWorldScreenMixin {
     @Unique
     private static final Logger LOGGER = LogManager.getLogger(CreateWorldScreenMixin.class);
+
     @Shadow
     @Nullable
     private Path dataPackTempDir;
 
     /**
-     * @author Jomar Milan - July 31st, 2024 - Minecraft 1.20.5
-     * @reason Use persistent mod directory instead of vanilla temporary directory
+     * Inject after CreateWorldScreen.create(...), replaces the data pack directory with thr persistent one.
      */
-    @Overwrite
-    @Nullable
-    private Path getDataPackTempDir() {
+    @Inject(
+            method = "<init>",
+            at = @At("TAIL")
+    )
+    private void onInit(MinecraftClient client, Screen parent, GeneratorOptionsHolder generatorOptionsHolder, Optional defaultWorldType, OptionalLong seed, CreateWorldCallback callback, CallbackInfo ci) {
         this.dataPackTempDir = DatapackInstallerClient.MAIN_PATH;
-
-        return this.dataPackTempDir;
     }
 
     /**