Add a DecoratorTypes accessor similar to PlacerTypes; Terrestria can …

…use this.

- Add a DecoratorTypes accessor similar to PlacerTypes

gradle.properties

@@ -3,7 +3,7 @@ org.gradle.parallel=true
 fabric.loom.multiProjectOptimisation=true
 
 maven_group=com.terraformersmc.terraform-api
-version=10.0.0-alpha.8
+version=10.0.0-alpha.9
 
 minecraft_version=24w13a
 yarn_mappings=24w13a+build.2

terraform-tree-api-v1/src/main/java/com/terraformersmc/terraform/tree/decorator/DecoratorTypes.java

@@ -0,0 +1,23 @@
+package com.terraformersmc.terraform.tree.decorator;
+
+import com.mojang.serialization.MapCodec;
+import com.terraformersmc.terraform.tree.mixin.InvokerTreeDecoratorType;
+import net.minecraft.util.Identifier;
+import net.minecraft.world.gen.treedecorator.TreeDecorator;
+import net.minecraft.world.gen.treedecorator.TreeDecoratorType;
+
+public final class DecoratorTypes {
+	private DecoratorTypes() {
+		return;
+	}
+
+	// Deprecated annotation is just a warning for non-internal references
+	@SuppressWarnings("deprecation")
+	public static <D extends TreeDecorator> TreeDecoratorType<D> registerTreeDecorator(String id, MapCodec<D> codec) {
+		return InvokerTreeDecoratorType.callRegister(id, codec);
+	}
+
+	public static <D extends TreeDecorator> TreeDecoratorType<D> registerTreeDecorator(Identifier id, MapCodec<D> codec) {
+		return registerTreeDecorator(id.toString(), codec);
+	}
+}

terraform-tree-api-v1/src/main/java/com/terraformersmc/terraform/tree/mixin/InvokerTreeDecoratorType.java

@@ -0,0 +1,16 @@
+package com.terraformersmc.terraform.tree.mixin;
+
+import com.mojang.serialization.MapCodec;
+import net.minecraft.world.gen.treedecorator.TreeDecorator;
+import net.minecraft.world.gen.treedecorator.TreeDecoratorType;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.gen.Invoker;
+
+@Mixin(TreeDecoratorType.class)
+public interface InvokerTreeDecoratorType {
+	@Invoker
+	@Deprecated
+	static <D extends TreeDecorator> TreeDecoratorType<D> callRegister(String id, MapCodec<D> codec) {
+		throw new UnsupportedOperationException();
+	}
+}

terraform-tree-api-v1/src/main/resources/mixins.terraform-tree-api-v1.json

@@ -4,6 +4,7 @@
   "compatibilityLevel": "JAVA_17",
   "mixins": [
     "InvokerFoliagePlacerType",
+    "InvokerTreeDecoratorType",
     "InvokerTrunkPlacerType",
     "MixinTrunkPlacer"
   ],