Make ResourceKey comparable

src/main/java/xyz/bluspring/kilt/forgeinjects/resources/ResourceKeyInject.java

@@ -0,0 +1,34 @@
+package xyz.bluspring.kilt.forgeinjects.resources;
+
+import net.minecraft.resources.ResourceKey;
+import net.minecraft.resources.ResourceLocation;
+import org.jetbrains.annotations.NotNull;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.Shadow;
+
+@Mixin(ResourceKey.class)
+public abstract class ResourceKeyInject implements Comparable<ResourceKey<?>> {
+    @Shadow public abstract ResourceLocation location();
+
+    @Shadow public abstract ResourceLocation registry();
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj)
+            return true;
+
+        if (obj == null || this.getClass() != obj.getClass())
+            return false;
+
+        return this.location().equals(((ResourceKey<?>) obj).location()) && this.registry().equals(((ResourceKey<?>) obj).registry());
+    }
+
+    @Override
+    public int compareTo(@NotNull ResourceKey<?> o) {
+        int ret = this.registry().compareTo(o.registry());
+        if (ret == 0)
+            ret = this.location().compareTo(o.location());
+
+        return ret;
+    }
+}

src/main/resources/kilt_forge_injects.mixins.json

@@ -56,6 +56,7 @@
         "network.protocol.status.ServerStatusInject",
         "network.syncher.EntityDataSerializersInject",
         "resources.HolderSetCodecInject",
+        "resources.ResourceKeyInject",
         "resources.ResourceLocationInject",
         "server.BootstrapInject",
         "server.MinecraftServerInject",