apply mixin plugin

gradle.properties

@@ -74,7 +74,7 @@ apiPackage =
 accessTransformersFile =
 
 # Provides setup for Mixins if enabled. If you don't know what mixins are: Keep it disabled!
-usesMixins = false
+usesMixins = true
 
 # Set to a non-empty string to configure mixins in a separate source set under src/VALUE, instead of src/main.
 # This can speed up compile times thanks to not running the mixin annotation processor on all input sources.
@@ -88,7 +88,7 @@ usesMixinDebug = false
 mixinPlugin =
 
 # Specify the package that contains all of your Mixins. You may only place Mixins in this package or the build will fail!
-mixinsPackage =
+mixinsPackage = Mixins
 
 # Specify the core mod entry class if you use a core mod. This class must implement IFMLLoadingPlugin!
 # This parameter is for legacy compatibility only

src/main/java/com/xir/NHUtilities/Mixins/MixinPlugin.java

@@ -0,0 +1,46 @@
+package com.xir.NHUtilities.Mixins;
+
+import java.util.List;
+import java.util.Set;
+
+import org.spongepowered.asm.lib.tree.ClassNode;
+import org.spongepowered.asm.mixin.extensibility.IMixinConfigPlugin;
+import org.spongepowered.asm.mixin.extensibility.IMixinInfo;
+
+public class MixinPlugin implements IMixinConfigPlugin {
+
+    @Override
+    public void onLoad(String mixinPackage) {
+
+    }
+
+    @Override
+    public String getRefMapperConfig() {
+        return "";
+    }
+
+    @Override
+    public boolean shouldApplyMixin(String targetClassName, String mixinClassName) {
+        return false;
+    }
+
+    @Override
+    public void acceptTargets(Set<String> myTargets, Set<String> otherTargets) {
+
+    }
+
+    @Override
+    public List<String> getMixins() {
+        return List.of();
+    }
+
+    @Override
+    public void preApply(String s, ClassNode classNode, String s1, IMixinInfo iMixinInfo) {
+
+    }
+
+    @Override
+    public void postApply(String s, ClassNode classNode, String s1, IMixinInfo iMixinInfo) {
+
+    }
+}

src/main/resources/mixins.NHUtilities.json

@@ -0,0 +1,9 @@
+{
+  "required": true,
+  "minVersion": "0.8.5-GTNH",
+  "package": "com.xir.NHUtilities.Mixins",
+  "plugin": "com.xir.NHUtilities.Mixins.MixinPlugin",
+  "refmap": "mixins.NHUtilities.refmap.json",
+  "target": "@env(DEFAULT)",
+  "compatibilityLevel": "JAVA_8"
+}