Expose a central place to access all of Vanilla and Forge's registries using the new registry API.

src/main/java/net/minecraftforge/fml/common/FMLContainer.java

@@ -35,6 +35,7 @@ import net.minecraftforge.fml.common.event.FMLPreInitializationEvent;
 import net.minecraftforge.fml.common.network.NetworkCheckHandler;
 import net.minecraftforge.fml.common.network.NetworkRegistry;
 import net.minecraftforge.fml.common.network.internal.FMLNetworkHandler;
+import net.minecraftforge.fml.common.registry.ForgeRegistries;
 import net.minecraftforge.fml.common.registry.PersistentRegistryManager;
 import net.minecraftforge.fml.common.registry.VillagerRegistry;
 import net.minecraftforge.fml.relauncher.Side;
@@ -84,8 +85,9 @@ public final class FMLContainer extends DummyModContainer implements WorldAccess
     @Subscribe
     public void modPreinitialization(FMLPreInitializationEvent evt)
     {
-        // Initialize the villager registry
-        VillagerRegistry.instance();
+        // Initialize all Forge/Vanilla registries {invoke the static init)
+        if (ForgeRegistries.ITEMS == null)
+            throw new RuntimeException("Something horrible went wrong in init, ForgeRegistres didn't create...");
     }
 
     @NetworkCheckHandler

src/main/java/net/minecraftforge/fml/common/registry/ForgeRegistries.java

@@ -0,0 +1,40 @@
+package net.minecraftforge.fml.common.registry;
+
+import net.minecraft.block.Block;
+import net.minecraft.enchantment.Enchantment;
+import net.minecraft.item.Item;
+import net.minecraft.potion.Potion;
+import net.minecraft.potion.PotionType;
+import net.minecraft.util.SoundEvent;
+import net.minecraft.world.biome.BiomeGenBase;
+import net.minecraftforge.fml.common.registry.VillagerRegistry.VillagerProfession;
+
+/**
+ * A class that exposes static references to all vanilla and Forge registries.
+ * Created to have a central place to access the registries directly if modders need.
+ * It is still advised that if you are registering things to go through {@link GameRegistry.register} but queries and iterations can use this.
+ */
+public class ForgeRegistries
+{
+    static { init(); } // This must be above the fields so we guarantee it's run before findRegistry is called. Yay static inializers
+
+    public static final IForgeRegistry<Block>        BLOCKS       = GameRegistry.findRegistry(Block.class);
+    public static final IForgeRegistry<Item>         ITEMS        = GameRegistry.findRegistry(Item.class);
+    public static final IForgeRegistry<Potion>       POTIONS      = GameRegistry.findRegistry(Potion.class);
+    public static final IForgeRegistry<BiomeGenBase> BIOMES       = GameRegistry.findRegistry(BiomeGenBase.class);
+    public static final IForgeRegistry<SoundEvent>   SOUND_EVENTS = GameRegistry.findRegistry(SoundEvent.class);
+    public static final IForgeRegistry<PotionType>   POTION_TYPES = GameRegistry.findRegistry(PotionType.class);
+    public static final IForgeRegistry<Enchantment>  ENCHANTMENTS = GameRegistry.findRegistry(Enchantment.class);
+    public static final IForgeRegistry<VillagerProfession> VILLAGER_PROFESSIONS = GameRegistry.findRegistry(VillagerProfession.class);
+
+
+    /**
+     * This function is just to make sure static inializers in other classes have run and setup their registries before we query them.
+     */
+    private static void init()
+    {
+        GameData.getMain();
+        VillagerRegistry.instance();
+    }
+
+}

src/main/java/net/minecraftforge/fml/common/registry/GameRegistry.java

@@ -184,6 +184,19 @@ public class GameRegistry
         return block;
     }
 
+    /**
+     * Retrieves the registry associated with this super class type.
+     * If the return is non-null it is HIGHLY recommended that modders cache this
+     * value as the return will never change for a given type in a single run of Minecraft once set.
+     *
+     * @param registryType The base class of items in this registry.
+     * @return The registry, Null if none is registered.
+     */
+    public static <K extends IForgeRegistryEntry<K>> IForgeRegistry<K> findRegistry(Class<K> registryType)
+    {
+        return PersistentRegistryManager.findRegistryByType(registryType);
+    }
+
     /**
      * Add a forced persistent substitution alias for the block or item to another block or item. This will have
      * the effect of using the substituted block or item instead of the original, where ever it is

src/main/java/net/minecraftforge/fml/common/registry/PersistentRegistryManager.java

@@ -152,6 +152,11 @@ public class PersistentRegistryManager
         return registry;
     }
 
+    static <V extends IForgeRegistryEntry<V>> IForgeRegistry<V> findRegistryByType(Class<V> registryType)
+    {
+        return PersistentRegistry.ACTIVE.getRegistry(registryType);
+    }
+
 
     public static List<String> injectSnapshot(GameDataSnapshot snapshot, boolean injectFrozenData, boolean isLocalWorld)
     {