THE SUPER DUPER COOL BUT TOTALLY NOT STABLE THING THATS NOT READY YET...

src/main/java/com/volmit/iris/util/LinkedTerrainChunk.java

@@ -85,6 +85,11 @@ public class LinkedTerrainChunk implements TerrainChunk {
         biome3D.setBiome(x, 0, z, bio);
     }
 
+    public BiomeGrid getRawBiome()
+    {
+        return storage;
+    }
+
     @Override
     public void setBiome(int x, int y, int z, Biome bio) {
         if (storage != null) {

src/main/java/com/volmit/iris/util/RegistryListBiomeDownfallType.java

@@ -0,0 +1,13 @@
+package com.volmit.iris.util;
+
+import java.lang.annotation.Retention;
+import java.lang.annotation.Target;
+
+import static java.lang.annotation.ElementType.*;
+import static java.lang.annotation.RetentionPolicy.RUNTIME;
+
+@Retention(RUNTIME)
+@Target({PARAMETER, TYPE, FIELD})
+public @interface RegistryListBiomeDownfallType {
+
+}