Update for 1.0.0

src/main/java/org/bukkit/craftbukkit/generator/CustomChunkGenerator.java

@@ -2,10 +2,16 @@ package org.bukkit.craftbukkit.generator;
 
 import java.util.List;
 import java.util.Random;
+import net.minecraft.server.BiomeBase;
 import net.minecraft.server.Chunk;
+import net.minecraft.server.ChunkCoordIntPair;
+import net.minecraft.server.ChunkPosition;
+import net.minecraft.server.EnumCreatureType;
 import net.minecraft.server.IChunkProvider;
 import net.minecraft.server.IProgressUpdate;
 import net.minecraft.server.World;
+import net.minecraft.server.WorldChunkManager;
+import net.minecraft.server.WorldGenStronghold;
 import net.minecraft.server.WorldServer;
 import org.bukkit.generator.BlockPopulator;
 import org.bukkit.generator.ChunkGenerator;
@@ -14,6 +20,7 @@ public class CustomChunkGenerator extends InternalChunkGenerator {
     private final ChunkGenerator generator;
     private final WorldServer world;
     private final Random random;
+    private final WorldGenStronghold strongholdGen = new WorldGenStronghold();
 
     public CustomChunkGenerator(World world, long seed, ChunkGenerator generator) {
         this.world = (WorldServer) world;
@@ -61,11 +68,29 @@ public class CustomChunkGenerator extends InternalChunkGenerator {
         return getOrCreateChunk(x, z);
     }
 
+    @Override
     public boolean canSpawn(org.bukkit.World world, int x, int z) {
         return generator.canSpawn(world, x, z);
     }
 
+    @Override
     public List<BlockPopulator> getDefaultPopulators(org.bukkit.World world) {
         return generator.getDefaultPopulators(world);
     }
+
+    public List a(EnumCreatureType type, int x, int y, int z) {
+        WorldChunkManager worldchunkmanager = world.getWorldChunkManager();
+
+        if (worldchunkmanager == null) {
+            return null;
+        } else {
+            BiomeBase biomebase = worldchunkmanager.a(new ChunkCoordIntPair(x >> 4, z >> 4));
+
+            return biomebase == null ? null : biomebase.a(type);
+        }
+    }
+
+    public ChunkPosition a(World world, String type, int x, int y, int z) {
+        return "Stronghold".equals(type) && this.strongholdGen != null ? this.strongholdGen.a(world, x, y, z) : null;
+    }
 }

src/main/java/org/bukkit/craftbukkit/generator/NormalChunkGenerator.java

@@ -4,6 +4,8 @@ import java.util.ArrayList;
 import java.util.List;
 import java.util.Random;
 import net.minecraft.server.Chunk;
+import net.minecraft.server.ChunkPosition;
+import net.minecraft.server.EnumCreatureType;
 import net.minecraft.server.IChunkProvider;
 import net.minecraft.server.IProgressUpdate;
 import net.minecraft.server.World;
@@ -56,4 +58,12 @@ public class NormalChunkGenerator extends InternalChunkGenerator {
     public boolean canSave() {
         return provider.canSave();
     }
+
+    public List a(EnumCreatureType ect, int i, int i1, int i2) {
+        return provider.a(ect, i, i1, i2);
+    }
+
+    public ChunkPosition a(World world, String string, int i, int i1, int i2) {
+        return provider.a(world, string, i, i1, i2);
+    }
 }