From 72daae76ae205f2b4797101ce77696c56d867078 Mon Sep 17 00:00:00 2001
From: Anthony Hilyard <anthony.hilyard@gmail.com>
Date: Mon, 20 Sep 2021 20:17:15 -0700
Subject: Added renderer support for auto registry system.

---
 .../iceberg/registry/AutoRegistry.java              | 19 +++++++++++++++----
 .../iceberg/registry/RendererRegistrar.java         | 21 +++++++++++++++++++++
 2 files changed, 36 insertions(+), 4 deletions(-)
 create mode 100644 src/main/java/com/anthonyhilyard/iceberg/registry/RendererRegistrar.java

diff --git a/src/main/java/com/anthonyhilyard/iceberg/registry/AutoRegistry.java b/src/main/java/com/anthonyhilyard/iceberg/registry/AutoRegistry.java
index dd7da65..c42a8d0 100644
--- a/src/main/java/com/anthonyhilyard/iceberg/registry/AutoRegistry.java
+++ b/src/main/java/com/anthonyhilyard/iceberg/registry/AutoRegistry.java
@@ -14,7 +14,6 @@ import net.minecraft.util.ResourceLocation;
 import net.minecraft.util.SoundEvent;
 import net.minecraftforge.event.RegistryEvent;
 import net.minecraftforge.fml.client.registry.IRenderFactory;
-import net.minecraftforge.fml.client.registry.RenderingRegistry;
 import net.minecraftforge.fml.javafmlmod.FMLJavaModLoadingContext;
 import net.minecraftforge.registries.ForgeRegistries;
 import net.minecraftforge.registries.IForgeRegistry;
@@ -32,6 +31,8 @@ public abstract class AutoRegistry
 
 	private static Map<EntityType<?>, Supplier<AttributeModifierMap.MutableAttribute>> entityAttributes = new HashMap<>();
 
+	private static Map<String, EntityType<? extends Entity>> registeredEntityTypes = new HashMap<>();
+
 	public static void init(String ModID)
 	{
 		MODID = ModID;
@@ -60,6 +61,17 @@ public abstract class AutoRegistry
 		}
 	}
 
+	public static boolean isEntityTypeRegistered(String name)
+	{
+		return registeredEntityTypes.containsKey(name);
+	}
+
+	@SuppressWarnings("unchecked")
+	public static <T extends Entity> EntityType<T> getEntityType(String name)
+	{
+		return (EntityType<T>) registeredEntityTypes.getOrDefault(name, null);
+	}
+
 	@SuppressWarnings("unchecked")
 	private final <T extends IForgeRegistryEntry<T>> void registerAllOfType(Class<IForgeRegistryEntry<?>> type, RegistryEvent.Register<T> event)
 	{
@@ -111,8 +123,8 @@ public abstract class AutoRegistry
 		ResourceLocation resourceLocation = new ResourceLocation(MODID, name);
 		EntityType<T> entityType = (EntityType<T>) builder.build(name).setRegistryName(resourceLocation);
 
-		// Register the rendering handler.
-		RenderingRegistry.registerEntityRenderingHandler(entityType, renderFactory);
+		// Add this entity type to the registered hashmap.
+		registeredEntityTypes.put(name, entityType);
 
 		// Store mob attributes if provided.  These will be added in the attribute creation event below.
 		if (attributes != null)
@@ -120,7 +132,6 @@ public abstract class AutoRegistry
 			entityAttributes.put(entityType, attributes);
 		}
 
-
 		return entityType;
 	}
 
diff --git a/src/main/java/com/anthonyhilyard/iceberg/registry/RendererRegistrar.java b/src/main/java/com/anthonyhilyard/iceberg/registry/RendererRegistrar.java
new file mode 100644
index 0000000..e77fd1f
--- /dev/null
+++ b/src/main/java/com/anthonyhilyard/iceberg/registry/RendererRegistrar.java
@@ -0,0 +1,21 @@
+package com.anthonyhilyard.iceberg.registry;
+
+import net.minecraft.entity.Entity;
+import net.minecraftforge.fml.client.registry.IRenderFactory;
+import net.minecraftforge.fml.client.registry.RenderingRegistry;
+
+public abstract class RendererRegistrar
+{
+	protected static <T extends Entity> void registerRenderer(String name, IRenderFactory<? super T> renderFactory)
+	{
+		if (AutoRegistry.isEntityTypeRegistered(name))
+		{
+			// Register the rendering handler.
+			RenderingRegistry.registerEntityRenderingHandler(AutoRegistry.<T>getEntityType(name), renderFactory);
+		}
+		else
+		{
+			throw new RuntimeException("Tried to register a renderer for an unregistered entity type!  Make sure you register renderers after entities.");
+		}
+	}
+}
-- 
cgit