PaperMC/Spigot-Server-Patches/mc-dev-imports.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Zach Brown <1254957+zachbr@users.noreply.github.com>
Date: Mon, 25 May 2015 15:37:00 -0500
Subject: [PATCH] mc-dev imports


diff --git a/src/main/java/net/minecraft/server/BiomeBase.java b/src/main/java/net/minecraft/server/BiomeBase.java
new file mode 100644
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
--- /dev/null
+++ b/src/main/java/net/minecraft/server/BiomeBase.java
@@ -0,0 +0,0 @@
+package net.minecraft.server;
+
+import com.google.common.collect.Lists;
+import com.google.common.collect.Maps;
+import com.google.common.collect.Sets;
+import java.util.Collections;
+import java.util.List;
+import java.util.Map;
+import java.util.Random;
+import java.util.Set;
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
+
+public abstract class BiomeBase {
+
+    private static final Logger aD = LogManager.getLogger();
+    protected static final BiomeTemperature a = new BiomeTemperature(0.1F, 0.2F);
+    protected static final BiomeTemperature b = new BiomeTemperature(-0.5F, 0.0F);
+    protected static final BiomeTemperature c = new BiomeTemperature(-1.0F, 0.1F);
+    protected static final BiomeTemperature d = new BiomeTemperature(-1.8F, 0.1F);
+    protected static final BiomeTemperature e = new BiomeTemperature(0.125F, 0.05F);
+    protected static final BiomeTemperature f = new BiomeTemperature(0.2F, 0.2F);
+    protected static final BiomeTemperature g = new BiomeTemperature(0.45F, 0.3F);
+    protected static final BiomeTemperature h = new BiomeTemperature(1.5F, 0.025F);
+    protected static final BiomeTemperature i = new BiomeTemperature(1.0F, 0.5F);
+    protected static final BiomeTemperature j = new BiomeTemperature(0.0F, 0.025F);
+    protected static final BiomeTemperature k = new BiomeTemperature(0.1F, 0.8F);
+    protected static final BiomeTemperature l = new BiomeTemperature(0.2F, 0.3F);
+    protected static final BiomeTemperature m = new BiomeTemperature(-0.2F, 0.1F);
+    private static final BiomeBase[] biomes = new BiomeBase[256];
+    public static final Set<BiomeBase> n = Sets.newHashSet();
+    public static final Map<String, BiomeBase> o = Maps.newHashMap();
+    public static final BiomeBase OCEAN = (new BiomeOcean(0)).b(112).a("Ocean").a(BiomeBase.c);
+    public static final BiomeBase PLAINS = (new BiomePlains(1)).b(9286496).a("Plains");
+    public static final BiomeBase DESERT = (new BiomeDesert(2)).b(16421912).a("Desert").b().a(2.0F, 0.0F).a(BiomeBase.e);
+    public static final BiomeBase EXTREME_HILLS = (new BiomeBigHills(3, false)).b(6316128).a("Extreme Hills").a(BiomeBase.i).a(0.2F, 0.3F);
+    public static final BiomeBase FOREST = (new BiomeForest(4, 0)).b(353825).a("Forest");
+    public static final BiomeBase TAIGA = (new BiomeTaiga(5, 0)).b(747097).a("Taiga").a(5159473).a(0.25F, 0.8F).a(BiomeBase.f);
+    public static final BiomeBase SWAMPLAND = (new BiomeSwamp(6)).b(522674).a("Swampland").a(9154376).a(BiomeBase.m).a(0.8F, 0.9F);
+    public static final BiomeBase RIVER = (new BiomeRiver(7)).b(255).a("River").a(BiomeBase.b);
+    public static final BiomeBase HELL = (new BiomeHell(8)).b(16711680).a("Hell").b().a(2.0F, 0.0F);
+    public static final BiomeBase SKY = (new BiomeTheEnd(9)).b(8421631).a("The End").b();
+    public static final BiomeBase FROZEN_OCEAN = (new BiomeOcean(10)).b(9474208).a("FrozenOcean").c().a(BiomeBase.c).a(0.0F, 0.5F);
+    public static final BiomeBase FROZEN_RIVER = (new BiomeRiver(11)).b(10526975).a("FrozenRiver").c().a(BiomeBase.b).a(0.0F, 0.5F);
+    public static final BiomeBase ICE_PLAINS = (new BiomeIcePlains(12, false)).b(16777215).a("Ice Plains").c().a(0.0F, 0.5F).a(BiomeBase.e);
+    public static final BiomeBase ICE_MOUNTAINS = (new BiomeIcePlains(13, false)).b(10526880).a("Ice Mountains").c().a(BiomeBase.g).a(0.0F, 0.5F);
+    public static final BiomeBase MUSHROOM_ISLAND = (new BiomeMushrooms(14)).b(16711935).a("MushroomIsland").a(0.9F, 1.0F).a(BiomeBase.l);
+    public static final BiomeBase MUSHROOM_SHORE = (new BiomeMushrooms(15)).b(10486015).a("MushroomIslandShore").a(0.9F, 1.0F).a(BiomeBase.j);
+    public static final BiomeBase BEACH = (new BiomeBeach(16)).b(16440917).a("Beach").a(0.8F, 0.4F).a(BiomeBase.j);
+    public static final BiomeBase DESERT_HILLS = (new BiomeDesert(17)).b(13786898).a("DesertHills").b().a(2.0F, 0.0F).a(BiomeBase.g);
+    public static final BiomeBase FOREST_HILLS = (new BiomeForest(18, 0)).b(2250012).a("ForestHills").a(BiomeBase.g);
+    public static final BiomeBase TAIGA_HILLS = (new BiomeTaiga(19, 0)).b(1456435).a("TaigaHills").a(5159473).a(0.25F, 0.8F).a(BiomeBase.g);
+    public static final BiomeBase SMALL_MOUNTAINS = (new BiomeBigHills(20, true)).b(7501978).a("Extreme Hills Edge").a(BiomeBase.i.a()).a(0.2F, 0.3F);
+    public static final BiomeBase JUNGLE = (new BiomeJungle(21, false)).b(5470985).a("Jungle").a(5470985).a(0.95F, 0.9F);
+    public static final BiomeBase JUNGLE_HILLS = (new BiomeJungle(22, false)).b(2900485).a("JungleHills").a(5470985).a(0.95F, 0.9F).a(BiomeBase.g);
+    public static final BiomeBase JUNGLE_EDGE = (new BiomeJungle(23, true)).b(6458135).a("JungleEdge").a(5470985).a(0.95F, 0.8F);
+    public static final BiomeBase DEEP_OCEAN = (new BiomeOcean(24)).b(48).a("Deep Ocean").a(BiomeBase.d);
+    public static final BiomeBase STONE_BEACH = (new BiomeStoneBeach(25)).b(10658436).a("Stone Beach").a(0.2F, 0.3F).a(BiomeBase.k);
+    public static final BiomeBase COLD_BEACH = (new BiomeBeach(26)).b(16445632).a("Cold Beach").a(0.05F, 0.3F).a(BiomeBase.j).c();
+    public static final BiomeBase BIRCH_FOREST = (new BiomeForest(27, 2)).a("Birch Forest").b(3175492);
+    public static final BiomeBase BIRCH_FOREST_HILLS = (new BiomeForest(28, 2)).a("Birch Forest Hills").b(2055986).a(BiomeBase.g);
+    public static final BiomeBase ROOFED_FOREST = (new BiomeForest(29, 3)).b(4215066).a("Roofed Forest");
+    public static final BiomeBase COLD_TAIGA = (new BiomeTaiga(30, 0)).b(3233098).a("Cold Taiga").a(5159473).c().a(-0.5F, 0.4F).a(BiomeBase.f).c(16777215);
+    public static final BiomeBase COLD_TAIGA_HILLS = (new BiomeTaiga(31, 0)).b(2375478).a("Cold Taiga Hills").a(5159473).c().a(-0.5F, 0.4F).a(BiomeBase.g).c(16777215);
+    public static final BiomeBase MEGA_TAIGA = (new BiomeTaiga(32, 1)).b(5858897).a("Mega Taiga").a(5159473).a(0.3F, 0.8F).a(BiomeBase.f);
+    public static final BiomeBase MEGA_TAIGA_HILLS = (new BiomeTaiga(33, 1)).b(4542270).a("Mega Taiga Hills").a(5159473).a(0.3F, 0.8F).a(BiomeBase.g);
+    public static final BiomeBase EXTREME_HILLS_PLUS = (new BiomeBigHills(34, true)).b(5271632).a("Extreme Hills+").a(BiomeBase.i).a(0.2F, 0.3F);
+    public static final BiomeBase SAVANNA = (new BiomeSavanna(35)).b(12431967).a("Savanna").a(1.2F, 0.0F).b().a(BiomeBase.e);
+    public static final BiomeBase SAVANNA_PLATEAU = (new BiomeSavanna(36)).b(10984804).a("Savanna Plateau").a(1.0F, 0.0F).b().a(BiomeBase.h);
+    public static final BiomeBase MESA = (new BiomeMesa(37, false, false)).b(14238997).a("Mesa");
+    public static final BiomeBase MESA_PLATEAU_F = (new BiomeMesa(38, false, true)).b(11573093).a("Mesa Plateau F").a(BiomeBase.h);
+    public static final BiomeBase MESA_PLATEAU = (new BiomeMesa(39, false, false)).b(13274213).a("Mesa Plateau").a(BiomeBase.h);
+    public static final BiomeBase ad = BiomeBase.OCEAN;
+    protected static final NoiseGenerator3 ae;
+    protected static final NoiseGenerator3 af;
+    protected static final WorldGenTallPlant ag;
+    public String ah;
+    public int ai;
+    public int aj;
+    public IBlockData ak;
+    public IBlockData al;
+    public int am;
+    public float an;
+    public float ao;
+    public float temperature;
+    public float humidity;
+    public int ar;
+    public BiomeDecorator as;
+    protected List<BiomeMeta> at;
+    protected List<BiomeMeta> au;
+    protected List<BiomeMeta> av;
+    protected List<BiomeMeta> aw;
+    protected boolean ax;
+    protected boolean ay;
+    public final int id;
+    protected WorldGenTrees aA;
+    protected WorldGenBigTree aB;
+    protected WorldGenSwampTree aC;
+
+    protected BiomeBase(int i) {
+        this.ak = Blocks.GRASS.getBlockData();
+        this.al = Blocks.DIRT.getBlockData();
+        this.am = 5169201;
+        this.an = BiomeBase.a.a;
+        this.ao = BiomeBase.a.b;
+        this.temperature = 0.5F;
+        this.humidity = 0.5F;
+        this.ar = 16777215;
+        this.at = Lists.newArrayList();
+        this.au = Lists.newArrayList();
+        this.av = Lists.newArrayList();
+        this.aw = Lists.newArrayList();
+        this.ay = true;
+        this.aA = new WorldGenTrees(false);
+        this.aB = new WorldGenBigTree(false);
+        this.aC = new WorldGenSwampTree();
+        this.id = i;
+        BiomeBase.biomes[i] = this;
+        this.as = this.a();
+        this.au.add(new BiomeMeta(EntitySheep.class, 12, 4, 4));
+        this.au.add(new BiomeMeta(EntityRabbit.class, 10, 3, 3));
+        this.au.add(new BiomeMeta(EntityPig.class, 10, 4, 4));
+        this.au.add(new BiomeMeta(EntityChicken.class, 10, 4, 4));
+        this.au.add(new BiomeMeta(EntityCow.class, 8, 4, 4));
+        this.at.add(new BiomeMeta(EntitySpider.class, 100, 4, 4));
+        this.at.add(new BiomeMeta(EntityZombie.class, 100, 4, 4));
+        this.at.add(new BiomeMeta(EntitySkeleton.class, 100, 4, 4));
+        this.at.add(new BiomeMeta(EntityCreeper.class, 100, 4, 4));
+        this.at.add(new BiomeMeta(EntitySlime.class, 100, 4, 4));
+        this.at.add(new BiomeMeta(EntityEnderman.class, 10, 1, 4));
+        this.at.add(new BiomeMeta(EntityWitch.class, 5, 1, 1));
+        this.av.add(new BiomeMeta(EntitySquid.class, 10, 4, 4));
+        this.aw.add(new BiomeMeta(EntityBat.class, 10, 8, 8));
+    }
+
+    protected BiomeDecorator a() {
+        return new BiomeDecorator();
+    }
+
+    protected BiomeBase a(float f, float f1) {
+        if (f > 0.1F && f < 0.2F) {
+            throw new IllegalArgumentException("Please avoid temperatures in the range 0.1 - 0.2 because of snow");
+        } else {
+            this.temperature = f;
+            this.humidity = f1;
+            return this;
+        }
+    }
+
+    protected final BiomeBase a(BiomeTemperature biomebase_biometemperature) {
+        this.an = biomebase_biometemperature.a;
+        this.ao = biomebase_biometemperature.b;
+        return this;
+    }
+
+    protected BiomeBase b() {
+        this.ay = false;
+        return this;
+    }
+
+    public WorldGenTreeAbstract a(Random random) {
+        return (WorldGenTreeAbstract) (random.nextInt(10) == 0 ? this.aB : this.aA);
+    }
+
+    public WorldGenerator b(Random random) {
+        return new WorldGenGrass(BlockLongGrass.EnumTallGrassType.GRASS);
+    }
+
+    public BlockFlowers.EnumFlowerVarient a(Random random, BlockPosition blockposition) {
+        return random.nextInt(3) > 0 ? BlockFlowers.EnumFlowerVarient.DANDELION : BlockFlowers.EnumFlowerVarient.POPPY;
+    }
+
+    protected BiomeBase c() {
+        this.ax = true;
+        return this;
+    }
+
+    protected BiomeBase a(String s) {
+        this.ah = s;
+        return this;
+    }
+
+    protected BiomeBase a(int i) {
+        this.am = i;
+        return this;
+    }
+
+    protected BiomeBase b(int i) {
+        this.a(i, false);
+        return this;
+    }
+
+    protected BiomeBase c(int i) {
+        this.aj = i;
+        return this;
+    }
+
+    protected BiomeBase a(int i, boolean flag) {
+        this.ai = i;
+        if (flag) {
+            this.aj = (i & 16711422) >> 1;
+        } else {
+            this.aj = i;
+        }
+
+        return this;
+    }
+
+    public List<BiomeMeta> getMobs(EnumCreatureType enumcreaturetype) {
+        switch (SyntheticClass_1.switchMap[enumcreaturetype.ordinal()]) {
+        case 1:
+            return this.at;
+
+        case 2:
+            return this.au;
+
+        case 3:
+            return this.av;
+
+        case 4:
+            return this.aw;
+
+        default:
+            return Collections.emptyList();
+        }
+    }
+
+    public boolean d() {
+        return this.j();
+    }
+
+    public boolean e() {
+        return this.j() ? false : this.ay;
+    }
+
+    public boolean f() {
+        return this.humidity > 0.85F;
+    }
+
+    public float g() {
+        return 0.1F;
+    }
+
+    public final int h() {
+        return (int) (this.humidity * 65536.0F);
+    }
+
+    public final float a(BlockPosition blockposition) {
+        if (blockposition.getY() > 64) {
+            float f = (float) (BiomeBase.ae.a((double) blockposition.getX() * 1.0D / 8.0D, (double) blockposition.getZ() * 1.0D / 8.0D) * 4.0D);
+
+            return this.temperature - (f + (float) blockposition.getY() - 64.0F) * 0.05F / 30.0F;
+        } else {
+            return this.temperature;
+        }
+    }
+
+    public void a(World world, Random random, BlockPosition blockposition) {
+        this.as.a(world, random, this, blockposition);
+    }
+
+    public boolean j() {
+        return this.ax;
+    }
+
+    public void a(World world, Random random, ChunkSnapshot chunksnapshot, int i, int j, double d0) {
+        this.b(world, random, chunksnapshot, i, j, d0);
+    }
+
+    public final void b(World world, Random random, ChunkSnapshot chunksnapshot, int i, int j, double d0) {
+        int k = world.F();
+        IBlockData iblockdata = this.ak;
+        IBlockData iblockdata1 = this.al;
+        int l = -1;
+        int i1 = (int) (d0 / 3.0D + 3.0D + random.nextDouble() * 0.25D);
+        int j1 = i & 15;
+        int k1 = j & 15;
+        BlockPosition.MutableBlockPosition blockposition_mutableblockposition = new BlockPosition.MutableBlockPosition();
+
+        for (int l1 = 255; l1 >= 0; --l1) {
+            if (l1 <= random.nextInt(5)) {
+                chunksnapshot.a(k1, l1, j1, Blocks.BEDROCK.getBlockData());
+            } else {
+                IBlockData iblockdata2 = chunksnapshot.a(k1, l1, j1);
+
+                if (iblockdata2.getBlock().getMaterial() == Material.AIR) {
+                    l = -1;
+                } else if (iblockdata2.getBlock() == Blocks.STONE) {
+                    if (l == -1) {
+                        if (i1 <= 0) {
+                            iblockdata = null;
+                            iblockdata1 = Blocks.STONE.getBlockData();
+                        } else if (l1 >= k - 4 && l1 <= k + 1) {
+                            iblockdata = this.ak;
+                            iblockdata1 = this.al;
+                        }
+
+                        if (l1 < k && (iblockdata == null || iblockdata.getBlock().getMaterial() == Material.AIR)) {
+                            if (this.a((BlockPosition) blockposition_mutableblockposition.c(i, l1, j)) < 0.15F) {
+                                iblockdata = Blocks.ICE.getBlockData();
+                            } else {
+                                iblockdata = Blocks.WATER.getBlockData();
+                            }
+                        }
+
+                        l = i1;
+                        if (l1 >= k - 1) {
+                            chunksnapshot.a(k1, l1, j1, iblockdata);
+                        } else if (l1 < k - 7 - i1) {
+                            iblockdata = null;
+                            iblockdata1 = Blocks.STONE.getBlockData();
+                            chunksnapshot.a(k1, l1, j1, Blocks.GRAVEL.getBlockData());
+                        } else {
+                            chunksnapshot.a(k1, l1, j1, iblockdata1);
+                        }
+                    } else if (l > 0) {
+                        --l;
+                        chunksnapshot.a(k1, l1, j1, iblockdata1);
+                        if (l == 0 && iblockdata1.getBlock() == Blocks.SAND) {
+                            l = random.nextInt(4) + Math.max(0, l1 - 63);
+                            iblockdata1 = iblockdata1.get(BlockSand.VARIANT) == BlockSand.EnumSandVariant.RED_SAND ? Blocks.RED_SANDSTONE.getBlockData() : Blocks.SANDSTONE.getBlockData();
+                        }
+                    }
+                }
+            }
+        }
+
+    }
+
+    protected BiomeBase k() {
+        return this.d(this.id + 128);
+    }
+
+    protected BiomeBase d(int i) {
+        return new BiomeBaseSub(i, this);
+    }
+
+    public Class<? extends BiomeBase> l() {
+        return this.getClass();
+    }
+
+    public boolean a(BiomeBase biomebase) {
+        return biomebase == this ? true : (biomebase == null ? false : this.l() == biomebase.l());
+    }
+
+    public EnumTemperature m() {
+        return (double) this.temperature < 0.2D ? EnumTemperature.COLD : ((double) this.temperature < 1.0D ? EnumTemperature.MEDIUM : EnumTemperature.WARM);
+    }
+
+    public static BiomeBase[] getBiomes() {
+        return BiomeBase.biomes;
+    }
+
+    public static BiomeBase getBiome(int i) {
+        return getBiome(i, (BiomeBase) null);
+    }
+
+    public static BiomeBase getBiome(int i, BiomeBase biomebase) {
+        if (i >= 0 && i <= BiomeBase.biomes.length) {
+            BiomeBase biomebase1 = BiomeBase.biomes[i];
+
+            return biomebase1 == null ? biomebase : biomebase1;
+        } else {
+            BiomeBase.aD.warn("Biome ID is out of bounds: " + i + ", defaulting to 0 (Ocean)");
+            return BiomeBase.OCEAN;
+        }
+    }
+
+    static {
+        BiomeBase.PLAINS.k();
+        BiomeBase.DESERT.k();
+        BiomeBase.FOREST.k();
+        BiomeBase.TAIGA.k();
+        BiomeBase.SWAMPLAND.k();
+        BiomeBase.ICE_PLAINS.k();
+        BiomeBase.JUNGLE.k();
+        BiomeBase.JUNGLE_EDGE.k();
+        BiomeBase.COLD_TAIGA.k();
+        BiomeBase.SAVANNA.k();
+        BiomeBase.SAVANNA_PLATEAU.k();
+        BiomeBase.MESA.k();
+        BiomeBase.MESA_PLATEAU_F.k();
+        BiomeBase.MESA_PLATEAU.k();
+        BiomeBase.BIRCH_FOREST.k();
+        BiomeBase.BIRCH_FOREST_HILLS.k();
+        BiomeBase.ROOFED_FOREST.k();
+        BiomeBase.MEGA_TAIGA.k();
+        BiomeBase.EXTREME_HILLS.k();
+        BiomeBase.EXTREME_HILLS_PLUS.k();
+        BiomeBase.MEGA_TAIGA.d(BiomeBase.MEGA_TAIGA_HILLS.id + 128).a("Redwood Taiga Hills M");
+        BiomeBase[] abiomebase = BiomeBase.biomes;
+        int i = abiomebase.length;
+
+        for (int j = 0; j < i; ++j) {
+            BiomeBase biomebase = abiomebase[j];
+
+            if (biomebase != null) {
+                if (BiomeBase.o.containsKey(biomebase.ah)) {
+                    throw new Error("Biome \"" + biomebase.ah + "\" is defined as both ID " + ((BiomeBase) BiomeBase.o.get(biomebase.ah)).id + " and " + biomebase.id);
+                }
+
+                BiomeBase.o.put(biomebase.ah, biomebase);
+                if (biomebase.id < 128) {
+                    BiomeBase.n.add(biomebase);
+                }
+            }
+        }
+
+        BiomeBase.n.remove(BiomeBase.HELL);
+        BiomeBase.n.remove(BiomeBase.SKY);
+        BiomeBase.n.remove(BiomeBase.FROZEN_OCEAN);
+        BiomeBase.n.remove(BiomeBase.SMALL_MOUNTAINS);
+        ae = new NoiseGenerator3(new Random(1234L), 1);
+        af = new NoiseGenerator3(new Random(2345L), 1);
+        ag = new WorldGenTallPlant();
+    }
+
+    static class SyntheticClass_1 {
+
+        static final int[] switchMap = new int[EnumCreatureType.values().length];
+
+        static {
+            try {
+                SyntheticClass_1.switchMap[EnumCreatureType.MONSTER.ordinal()] = 1;
+            } catch (NoSuchFieldError nosuchfielderror) {
+                ;
+            }
+
+            try {
+                SyntheticClass_1.switchMap[EnumCreatureType.CREATURE.ordinal()] = 2;
+            } catch (NoSuchFieldError nosuchfielderror1) {
+                ;
+            }
+
+            try {
+                SyntheticClass_1.switchMap[EnumCreatureType.WATER_CREATURE.ordinal()] = 3;
+            } catch (NoSuchFieldError nosuchfielderror2) {
+                ;
+            }
+
+            try {
+                SyntheticClass_1.switchMap[EnumCreatureType.AMBIENT.ordinal()] = 4;
+            } catch (NoSuchFieldError nosuchfielderror3) {
+                ;
+            }
+
+        }
+    }
+
+    public static class BiomeMeta extends WeightedRandom.WeightedRandomChoice {
+
+        public Class<? extends EntityInsentient> b;
+        public int c;
+        public int d;
+
+        public BiomeMeta(Class<? extends EntityInsentient> oclass, int i, int j, int k) {
+            super(i);
+            this.b = oclass;
+            this.c = j;
+            this.d = k;
+        }
+
+        public String toString() {
+            return this.b.getSimpleName() + "*(" + this.c + "-" + this.d + "):" + this.a;
+        }
+    }
+
+    public static class BiomeTemperature {
+
+        public float a;
+        public float b;
+
+        public BiomeTemperature(float f, float f1) {
+            this.a = f;
+            this.b = f1;
+        }
+
+        public BiomeTemperature a() {
+            return new BiomeTemperature(this.a * 0.8F, this.b * 0.6F);
+        }
+    }
+
+    public static enum EnumTemperature {
+
+        OCEAN, COLD, MEDIUM, WARM;
+
+        private EnumTemperature() {}
+    }
+}
diff --git a/src/main/java/net/minecraft/server/BiomeMesa.java b/src/main/java/net/minecraft/server/BiomeMesa.java
new file mode 100644
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
--- /dev/null
+++ b/src/main/java/net/minecraft/server/BiomeMesa.java
@@ -0,0 +0,0 @@
+package net.minecraft.server;
+
+import java.util.Arrays;
+import java.util.Random;
+
+public class BiomeMesa extends BiomeBase {
+
+    private IBlockData[] aD;
+    private long aE;
+    private NoiseGenerator3 aF;
+    private NoiseGenerator3 aG;
+    private NoiseGenerator3 aH;
+    private boolean aI;
+    private boolean aJ;
+
+    public BiomeMesa(int i, boolean flag, boolean flag1) {
+        super(i);
+        this.aI = flag;
+        this.aJ = flag1;
+        this.b();
+        this.a(2.0F, 0.0F);
+        this.au.clear();
+        this.ak = Blocks.SAND.getBlockData().set(BlockSand.VARIANT, BlockSand.EnumSandVariant.RED_SAND);
+        this.al = Blocks.STAINED_HARDENED_CLAY.getBlockData();
+        this.as.A = -999;
+        this.as.D = 20;
+        this.as.F = 3;
+        this.as.G = 5;
+        this.as.B = 0;
+        this.au.clear();
+        if (flag1) {
+            this.as.A = 5;
+        }
+
+    }
+
+    public WorldGenTreeAbstract a(Random random) {
+        return this.aA;
+    }
+
+    public void a(World world, Random random, BlockPosition blockposition) {
+        super.a(world, random, blockposition);
+    }
+
+    public void a(World world, Random random, ChunkSnapshot chunksnapshot, int i, int j, double d0) {
+        if (this.aD == null || this.aE != world.getSeed()) {
+            this.a(world.getSeed());
+        }
+
+        if (this.aF == null || this.aG == null || this.aE != world.getSeed()) {
+            Random random1 = new Random(this.aE);
+
+            this.aF = new NoiseGenerator3(random1, 4);
+            this.aG = new NoiseGenerator3(random1, 1);
+        }
+
+        this.aE = world.getSeed();
+        double d1 = 0.0D;
+        int k;
+        int l;
+
+        if (this.aI) {
+            k = (i & -16) + (j & 15);
+            l = (j & -16) + (i & 15);
+            double d2 = Math.min(Math.abs(d0), this.aF.a((double) k * 0.25D, (double) l * 0.25D));
+
+            if (d2 > 0.0D) {
+                double d3 = 0.001953125D;
+                double d4 = Math.abs(this.aG.a((double) k * d3, (double) l * d3));
+
+                d1 = d2 * d2 * 2.5D;
+                double d5 = Math.ceil(d4 * 50.0D) + 14.0D;
+
+                if (d1 > d5) {
+                    d1 = d5;
+                }
+
+                d1 += 64.0D;
+            }
+        }
+
+        k = i & 15;
+        l = j & 15;
+        int i1 = world.F();
+        IBlockData iblockdata = Blocks.STAINED_HARDENED_CLAY.getBlockData();
+        IBlockData iblockdata1 = this.al;
+        int j1 = (int) (d0 / 3.0D + 3.0D + random.nextDouble() * 0.25D);
+        boolean flag = Math.cos(d0 / 3.0D * 3.141592653589793D) > 0.0D;
+        int k1 = -1;
+        boolean flag1 = false;
+
+        for (int l1 = 255; l1 >= 0; --l1) {
+            if (chunksnapshot.a(l, l1, k).getBlock().getMaterial() == Material.AIR && l1 < (int) d1) {
+                chunksnapshot.a(l, l1, k, Blocks.STONE.getBlockData());
+            }
+
+            if (l1 <= random.nextInt(5)) {
+                chunksnapshot.a(l, l1, k, Blocks.BEDROCK.getBlockData());
+            } else {
+                IBlockData iblockdata2 = chunksnapshot.a(l, l1, k);
+
+                if (iblockdata2.getBlock().getMaterial() == Material.AIR) {
+                    k1 = -1;
+                } else if (iblockdata2.getBlock() == Blocks.STONE) {
+                    IBlockData iblockdata3;
+
+                    if (k1 == -1) {
+                        flag1 = false;
+                        if (j1 <= 0) {
+                            iblockdata = null;
+                            iblockdata1 = Blocks.STONE.getBlockData();
+                        } else if (l1 >= i1 - 4 && l1 <= i1 + 1) {
+                            iblockdata = Blocks.STAINED_HARDENED_CLAY.getBlockData();
+                            iblockdata1 = this.al;
+                        }
+
+                        if (l1 < i1 && (iblockdata == null || iblockdata.getBlock().getMaterial() == Material.AIR)) {
+                            iblockdata = Blocks.WATER.getBlockData();
+                        }
+
+                        k1 = j1 + Math.max(0, l1 - i1);
+                        if (l1 >= i1 - 1) {
+                            if (this.aJ && l1 > 86 + j1 * 2) {
+                                if (flag) {
+                                    chunksnapshot.a(l, l1, k, Blocks.DIRT.getBlockData().set(BlockDirt.VARIANT, BlockDirt.EnumDirtVariant.COARSE_DIRT));
+                                } else {
+                                    chunksnapshot.a(l, l1, k, Blocks.GRASS.getBlockData());
+                                }
+                            } else if (l1 > i1 + 3 + j1) {
+                                if (l1 >= 64 && l1 <= 127) {
+                                    if (flag) {
+                                        iblockdata3 = Blocks.HARDENED_CLAY.getBlockData();
+                                    } else {
+                                        iblockdata3 = this.a(i, l1, j);
+                                    }
+                                } else {
+                                    iblockdata3 = Blocks.STAINED_HARDENED_CLAY.getBlockData().set(BlockCloth.COLOR, EnumColor.ORANGE);
+                                }
+
+                                chunksnapshot.a(l, l1, k, iblockdata3);
+                            } else {
+                                chunksnapshot.a(l, l1, k, this.ak);
+                                flag1 = true;
+                            }
+                        } else {
+                            chunksnapshot.a(l, l1, k, iblockdata1);
+                            if (iblockdata1.getBlock() == Blocks.STAINED_HARDENED_CLAY) {
+                                chunksnapshot.a(l, l1, k, iblockdata1.getBlock().getBlockData().set(BlockCloth.COLOR, EnumColor.ORANGE));
+                            }
+                        }
+                    } else if (k1 > 0) {
+                        --k1;
+                        if (flag1) {
+                            chunksnapshot.a(l, l1, k, Blocks.STAINED_HARDENED_CLAY.getBlockData().set(BlockCloth.COLOR, EnumColor.ORANGE));
+                        } else {
+                            iblockdata3 = this.a(i, l1, j);
+                            chunksnapshot.a(l, l1, k, iblockdata3);
+                        }
+                    }
+                }
+            }
+        }
+
+    }
+
+    private void a(long i) {
+        this.aD = new IBlockData[64];
+        Arrays.fill(this.aD, Blocks.HARDENED_CLAY.getBlockData());
+        Random random = new Random(i);
+
+        this.aH = new NoiseGenerator3(random, 1);
+
+        int j;
+
+        for (j = 0; j < 64; ++j) {
+            j += random.nextInt(5) + 1;
+            if (j < 64) {
+                this.aD[j] = Blocks.STAINED_HARDENED_CLAY.getBlockData().set(BlockCloth.COLOR, EnumColor.ORANGE);
+            }
+        }
+
+        j = random.nextInt(4) + 2;
+
+        int k;
+        int l;
+        int i1;
+        int j1;
+
+        for (k = 0; k < j; ++k) {
+            l = random.nextInt(3) + 1;
+            i1 = random.nextInt(64);
+
+            for (j1 = 0; i1 + j1 < 64 && j1 < l; ++j1) {
+                this.aD[i1 + j1] = Blocks.STAINED_HARDENED_CLAY.getBlockData().set(BlockCloth.COLOR, EnumColor.YELLOW);
+            }
+        }
+
+        k = random.nextInt(4) + 2;
+
+        int k1;
+
+        for (l = 0; l < k; ++l) {
+            i1 = random.nextInt(3) + 2;
+            j1 = random.nextInt(64);
+
+            for (k1 = 0; j1 + k1 < 64 && k1 < i1; ++k1) {
+                this.aD[j1 + k1] = Blocks.STAINED_HARDENED_CLAY.getBlockData().set(BlockCloth.COLOR, EnumColor.BROWN);
+            }
+        }
+
+        l = random.nextInt(4) + 2;
+
+        for (i1 = 0; i1 < l; ++i1) {
+            j1 = random.nextInt(3) + 1;
+            k1 = random.nextInt(64);
+
+            for (int l1 = 0; k1 + l1 < 64 && l1 < j1; ++l1) {
+                this.aD[k1 + l1] = Blocks.STAINED_HARDENED_CLAY.getBlockData().set(BlockCloth.COLOR, EnumColor.RED);
+            }
+        }
+
+        i1 = random.nextInt(3) + 3;
+        j1 = 0;
+
+        for (k1 = 0; k1 < i1; ++k1) {
+            byte b0 = 1;
+
+            j1 += random.nextInt(16) + 4;
+
+            for (int i2 = 0; j1 + i2 < 64 && i2 < b0; ++i2) {
+                this.aD[j1 + i2] = Blocks.STAINED_HARDENED_CLAY.getBlockData().set(BlockCloth.COLOR, EnumColor.WHITE);
+                if (j1 + i2 > 1 && random.nextBoolean()) {
+                    this.aD[j1 + i2 - 1] = Blocks.STAINED_HARDENED_CLAY.getBlockData().set(BlockCloth.COLOR, EnumColor.SILVER);
+                }
+
+                if (j1 + i2 < 63 && random.nextBoolean()) {
+                    this.aD[j1 + i2 + 1] = Blocks.STAINED_HARDENED_CLAY.getBlockData().set(BlockCloth.COLOR, EnumColor.SILVER);
+                }
+            }
+        }
+
+    }
+
+    private IBlockData a(int i, int j, int k) {
+        int l = (int) Math.round(this.aH.a((double) i * 1.0D / 512.0D, (double) i * 1.0D / 512.0D) * 2.0D);
+
+        return this.aD[(j + l + 64) % 64];
+    }
+
+    protected BiomeBase d(int i) {
+        boolean flag = this.id == BiomeBase.MESA.id;
+        BiomeMesa biomemesa = new BiomeMesa(i, flag, this.aJ);
+
+        if (!flag) {
+            biomemesa.a(BiomeMesa.g);
+            biomemesa.a(this.ah + " M");
+        } else {
+            biomemesa.a(this.ah + " (Bryce)");
+        }
+
+        biomemesa.a(this.ai, true);
+        return biomemesa;
+    }
+}
diff --git a/src/main/java/net/minecraft/server/BlockChest.java b/src/main/java/net/minecraft/server/BlockChest.java
new file mode 100644
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
--- /dev/null
+++ b/src/main/java/net/minecraft/server/BlockChest.java
@@ -0,0 +0,0 @@
+package net.minecraft.server;
+
+import com.google.common.base.Predicate;
+import java.util.Iterator;
+
+public class BlockChest extends BlockContainer {
+
+    public static final BlockStateDirection FACING = BlockStateDirection.of("facing", (Predicate) EnumDirection.EnumDirectionLimit.HORIZONTAL);
+    public final int b;
+
+    protected BlockChest(int i) {
+        super(Material.WOOD);
+        this.j(this.blockStateList.getBlockData().set(BlockChest.FACING, EnumDirection.NORTH));
+        this.b = i;
+        this.a(CreativeModeTab.c);
+        this.a(0.0625F, 0.0F, 0.0625F, 0.9375F, 0.875F, 0.9375F);
+    }
+
+    public boolean c() {
+        return false;
+    }
+
+    public boolean d() {
+        return false;
+    }
+
+    public int b() {
+        return 2;
+    }
+
+    public void updateShape(IBlockAccess iblockaccess, BlockPosition blockposition) {
+        if (iblockaccess.getType(blockposition.north()).getBlock() == this) {
+            this.a(0.0625F, 0.0F, 0.0F, 0.9375F, 0.875F, 0.9375F);
+        } else if (iblockaccess.getType(blockposition.south()).getBlock() == this) {
+            this.a(0.0625F, 0.0F, 0.0625F, 0.9375F, 0.875F, 1.0F);
+        } else if (iblockaccess.getType(blockposition.west()).getBlock() == this) {
+            this.a(0.0F, 0.0F, 0.0625F, 0.9375F, 0.875F, 0.9375F);
+        } else if (iblockaccess.getType(blockposition.east()).getBlock() == this) {
+            this.a(0.0625F, 0.0F, 0.0625F, 1.0F, 0.875F, 0.9375F);
+        } else {
+            this.a(0.0625F, 0.0F, 0.0625F, 0.9375F, 0.875F, 0.9375F);
+        }
+
+    }
+
+    public void onPlace(World world, BlockPosition blockposition, IBlockData iblockdata) {
+        this.e(world, blockposition, iblockdata);
+        Iterator iterator = EnumDirection.EnumDirectionLimit.HORIZONTAL.iterator();
+
+        while (iterator.hasNext()) {
+            EnumDirection enumdirection = (EnumDirection) iterator.next();
+            BlockPosition blockposition1 = blockposition.shift(enumdirection);
+            IBlockData iblockdata1 = world.getType(blockposition1);
+
+            if (iblockdata1.getBlock() == this) {
+                this.e(world, blockposition1, iblockdata1);
+            }
+        }
+
+    }
+
+    public IBlockData getPlacedState(World world, BlockPosition blockposition, EnumDirection enumdirection, float f, float f1, float f2, int i, EntityLiving entityliving) {
+        return this.getBlockData().set(BlockChest.FACING, entityliving.getDirection());
+    }
+
+    public void postPlace(World world, BlockPosition blockposition, IBlockData iblockdata, EntityLiving entityliving, ItemStack itemstack) {
+        EnumDirection enumdirection = EnumDirection.fromType2(MathHelper.floor((double) (entityliving.yaw * 4.0F / 360.0F) + 0.5D) & 3).opposite();
+
+        iblockdata = iblockdata.set(BlockChest.FACING, enumdirection);
+        BlockPosition blockposition1 = blockposition.north();
+        BlockPosition blockposition2 = blockposition.south();
+        BlockPosition blockposition3 = blockposition.west();
+        BlockPosition blockposition4 = blockposition.east();
+        boolean flag = this == world.getType(blockposition1).getBlock();
+        boolean flag1 = this == world.getType(blockposition2).getBlock();
+        boolean flag2 = this == world.getType(blockposition3).getBlock();
+        boolean flag3 = this == world.getType(blockposition4).getBlock();
+
+        if (!flag && !flag1 && !flag2 && !flag3) {
+            world.setTypeAndData(blockposition, iblockdata, 3);
+        } else if (enumdirection.k() == EnumDirection.EnumAxis.X && (flag || flag1)) {
+            if (flag) {
+                world.setTypeAndData(blockposition1, iblockdata, 3);
+            } else {
+                world.setTypeAndData(blockposition2, iblockdata, 3);
+            }
+
+            world.setTypeAndData(blockposition, iblockdata, 3);
+        } else if (enumdirection.k() == EnumDirection.EnumAxis.Z && (flag2 || flag3)) {
+            if (flag2) {
+                world.setTypeAndData(blockposition3, iblockdata, 3);
+            } else {
+                world.setTypeAndData(blockposition4, iblockdata, 3);
+            }
+
+            world.setTypeAndData(blockposition, iblockdata, 3);
+        }
+
+        if (itemstack.hasName()) {
+            TileEntity tileentity = world.getTileEntity(blockposition);
+
+            if (tileentity instanceof TileEntityChest) {
+                ((TileEntityChest) tileentity).a(itemstack.getName());
+            }
+        }
+
+    }
+
+    public IBlockData e(World world, BlockPosition blockposition, IBlockData iblockdata) {
+        if (world.isClientSide) {
+            return iblockdata;
+        } else {
+            IBlockData iblockdata1 = world.getType(blockposition.north());
+            IBlockData iblockdata2 = world.getType(blockposition.south());
+            IBlockData iblockdata3 = world.getType(blockposition.west());
+            IBlockData iblockdata4 = world.getType(blockposition.east());
+            EnumDirection enumdirection = (EnumDirection) iblockdata.get(BlockChest.FACING);
+            Block block = iblockdata1.getBlock();
+            Block block1 = iblockdata2.getBlock();
+            Block block2 = iblockdata3.getBlock();
+            Block block3 = iblockdata4.getBlock();
+
+            if (block != this && block1 != this) {
+                boolean flag = block.o();
+                boolean flag1 = block1.o();
+
+                if (block2 == this || block3 == this) {
+                    BlockPosition blockposition1 = block2 == this ? blockposition.west() : blockposition.east();
+                    IBlockData iblockdata5 = world.getType(blockposition1.north());
+                    IBlockData iblockdata6 = world.getType(blockposition1.south());
+
+                    enumdirection = EnumDirection.SOUTH;
+                    EnumDirection enumdirection1;
+
+                    if (block2 == this) {
+                        enumdirection1 = (EnumDirection) iblockdata3.get(BlockChest.FACING);
+                    } else {
+                        enumdirection1 = (EnumDirection) iblockdata4.get(BlockChest.FACING);
+                    }
+
+                    if (enumdirection1 == EnumDirection.NORTH) {
+                        enumdirection = EnumDirection.NORTH;
+                    }
+
+                    Block block4 = iblockdata5.getBlock();
+                    Block block5 = iblockdata6.getBlock();
+
+                    if ((flag || block4.o()) && !flag1 && !block5.o()) {
+                        enumdirection = EnumDirection.SOUTH;
+                    }
+
+                    if ((flag1 || block5.o()) && !flag && !block4.o()) {
+                        enumdirection = EnumDirection.NORTH;
+                    }
+                }
+            } else {
+                BlockPosition blockposition2 = block == this ? blockposition.north() : blockposition.south();
+                IBlockData iblockdata7 = world.getType(blockposition2.west());
+                IBlockData iblockdata8 = world.getType(blockposition2.east());
+
+                enumdirection = EnumDirection.EAST;
+                EnumDirection enumdirection2;
+
+                if (block == this) {
+                    enumdirection2 = (EnumDirection) iblockdata1.get(BlockChest.FACING);
+                } else {
+                    enumdirection2 = (EnumDirection) iblockdata2.get(BlockChest.FACING);
+                }
+
+                if (enumdirection2 == EnumDirection.WEST) {
+                    enumdirection = EnumDirection.WEST;
+                }
+
+                Block block6 = iblockdata7.getBlock();
+                Block block7 = iblockdata8.getBlock();
+
+                if ((block2.o() || block6.o()) && !block3.o() && !block7.o()) {
+                    enumdirection = EnumDirection.EAST;
+                }
+
+                if ((block3.o() || block7.o()) && !block2.o() && !block6.o()) {
+                    enumdirection = EnumDirection.WEST;
+                }
+            }
+
+            iblockdata = iblockdata.set(BlockChest.FACING, enumdirection);
+            world.setTypeAndData(blockposition, iblockdata, 3);
+            return iblockdata;
+        }
+    }
+
+    public IBlockData f(World world, BlockPosition blockposition, IBlockData iblockdata) {
+        EnumDirection enumdirection = null;
+        Iterator iterator = EnumDirection.EnumDirectionLimit.HORIZONTAL.iterator();
+
+        while (iterator.hasNext()) {
+            EnumDirection enumdirection1 = (EnumDirection) iterator.next();
+            IBlockData iblockdata1 = world.getType(blockposition.shift(enumdirection1));
+
+            if (iblockdata1.getBlock() == this) {
+                return iblockdata;
+            }
+
+            if (iblockdata1.getBlock().o()) {
+                if (enumdirection != null) {
+                    enumdirection = null;
+                    break;
+                }
+
+                enumdirection = enumdirection1;
+            }
+        }
+
+        if (enumdirection != null) {
+            return iblockdata.set(BlockChest.FACING, enumdirection.opposite());
+        } else {
+            EnumDirection enumdirection2 = (EnumDirection) iblockdata.get(BlockChest.FACING);
+
+            if (world.getType(blockposition.shift(enumdirection2)).getBlock().o()) {
+                enumdirection2 = enumdirection2.opposite();
+            }
+
+            if (world.getType(blockposition.shift(enumdirection2)).getBlock().o()) {
+                enumdirection2 = enumdirection2.e();
+            }
+
+            if (world.getType(blockposition.shift(enumdirection2)).getBlock().o()) {
+                enumdirection2 = enumdirection2.opposite();
+            }
+
+            return iblockdata.set(BlockChest.FACING, enumdirection2);
+        }
+    }
+
+    public boolean canPlace(World world, BlockPosition blockposition) {
+        int i = 0;
+        BlockPosition blockposition1 = blockposition.west();
+        BlockPosition blockposition2 = blockposition.east();
+        BlockPosition blockposition3 = blockposition.north();
+        BlockPosition blockposition4 = blockposition.south();
+
+        if (world.getType(blockposition1).getBlock() == this) {
+            if (this.m(world, blockposition1)) {
+                return false;
+            }
+
+            ++i;
+        }
+
+        if (world.getType(blockposition2).getBlock() == this) {
+            if (this.m(world, blockposition2)) {
+                return false;
+            }
+
+            ++i;
+        }
+
+        if (world.getType(blockposition3).getBlock() == this) {
+            if (this.m(world, blockposition3)) {
+                return false;
+            }
+
+            ++i;
+        }
+
+        if (world.getType(blockposition4).getBlock() == this) {
+            if (this.m(world, blockposition4)) {
+                return false;
+            }
+
+            ++i;
+        }
+
+        return i <= 1;
+    }
+
+    private boolean m(World world, BlockPosition blockposition) {
+        if (world.getType(blockposition).getBlock() != this) {
+            return false;
+        } else {
+            Iterator iterator = EnumDirection.EnumDirectionLimit.HORIZONTAL.iterator();
+
+            EnumDirection enumdirection;
+
+            do {
+                if (!iterator.hasNext()) {
+                    return false;
+                }
+
+                enumdirection = (EnumDirection) iterator.next();
+            } while (world.getType(blockposition.shift(enumdirection)).getBlock() != this);
+
+            return true;
+        }
+    }
+
+    public void doPhysics(World world, BlockPosition blockposition, IBlockData iblockdata, Block block) {
+        super.doPhysics(world, blockposition, iblockdata, block);
+        TileEntity tileentity = world.getTileEntity(blockposition);
+
+        if (tileentity instanceof TileEntityChest) {
+            tileentity.E();
+        }
+
+    }
+
+    public void remove(World world, BlockPosition blockposition, IBlockData iblockdata) {
+        TileEntity tileentity = world.getTileEntity(blockposition);
+
+        if (tileentity instanceof IInventory) {
+            InventoryUtils.dropInventory(world, blockposition, (IInventory) tileentity);
+            world.updateAdjacentComparators(blockposition, this);
+        }
+
+        super.remove(world, blockposition, iblockdata);
+    }
+
+    public boolean interact(World world, BlockPosition blockposition, IBlockData iblockdata, EntityHuman entityhuman, EnumDirection enumdirection, float f, float f1, float f2) {
+        if (world.isClientSide) {
+            return true;
+        } else {
+            ITileInventory itileinventory = this.f(world, blockposition);
+
+            if (itileinventory != null) {
+                entityhuman.openContainer(itileinventory);
+                if (this.b == 0) {
+                    entityhuman.b(StatisticList.aa);
+                } else if (this.b == 1) {
+                    entityhuman.b(StatisticList.U);
+                }
+            }
+
+            return true;
+        }
+    }
+
+    public ITileInventory f(World world, BlockPosition blockposition) {
+        TileEntity tileentity = world.getTileEntity(blockposition);
+
+        if (!(tileentity instanceof TileEntityChest)) {
+            return null;
+        } else {
+            Object object = (TileEntityChest) tileentity;
+
+            if (this.n(world, blockposition)) {
+                return null;
+            } else {
+                Iterator iterator = EnumDirection.EnumDirectionLimit.HORIZONTAL.iterator();
+
+                while (iterator.hasNext()) {
+                    EnumDirection enumdirection = (EnumDirection) iterator.next();
+                    BlockPosition blockposition1 = blockposition.shift(enumdirection);
+                    Block block = world.getType(blockposition1).getBlock();
+
+                    if (block == this) {
+                        if (this.n(world, blockposition1)) {
+                            return null;
+                        }
+
+                        TileEntity tileentity1 = world.getTileEntity(blockposition1);
+
+                        if (tileentity1 instanceof TileEntityChest) {
+                            if (enumdirection != EnumDirection.WEST && enumdirection != EnumDirection.NORTH) {
+                                object = new InventoryLargeChest("container.chestDouble", (ITileInventory) object, (TileEntityChest) tileentity1);
+                            } else {
+                                object = new InventoryLargeChest("container.chestDouble", (TileEntityChest) tileentity1, (ITileInventory) object);
+                            }
+                        }
+                    }
+                }
+
+                return (ITileInventory) object;
+            }
+        }
+    }
+
+    public TileEntity a(World world, int i) {
+        return new TileEntityChest();
+    }
+
+    public boolean isPowerSource() {
+        return this.b == 1;
+    }
+
+    public int a(IBlockAccess iblockaccess, BlockPosition blockposition, IBlockData iblockdata, EnumDirection enumdirection) {
+        if (!this.isPowerSource()) {
+            return 0;
+        } else {
+            int i = 0;
+            TileEntity tileentity = iblockaccess.getTileEntity(blockposition);
+
+            if (tileentity instanceof TileEntityChest) {
+                i = ((TileEntityChest) tileentity).l;
+            }
+
+            return MathHelper.clamp(i, 0, 15);
+        }
+    }
+
+    public int b(IBlockAccess iblockaccess, BlockPosition blockposition, IBlockData iblockdata, EnumDirection enumdirection) {
+        return enumdirection == EnumDirection.UP ? this.a(iblockaccess, blockposition, iblockdata, enumdirection) : 0;
+    }
+
+    private boolean n(World world, BlockPosition blockposition) {
+        return this.o(world, blockposition) || this.p(world, blockposition);
+    }
+
+    private boolean o(World world, BlockPosition blockposition) {
+        return world.getType(blockposition.up()).getBlock().isOccluding();
+    }
+
+    private boolean p(World world, BlockPosition blockposition) {
+        Iterator iterator = world.a(EntityOcelot.class, new AxisAlignedBB((double) blockposition.getX(), (double) (blockposition.getY() + 1), (double) blockposition.getZ(), (double) (blockposition.getX() + 1), (double) (blockposition.getY() + 2), (double) (blockposition.getZ() + 1))).iterator();
+
+        EntityOcelot entityocelot;
+
+        do {
+            if (!iterator.hasNext()) {
+                return false;
+            }
+
+            Entity entity = (Entity) iterator.next();
+
+            entityocelot = (EntityOcelot) entity;
+        } while (!entityocelot.isSitting());
+
+        return true;
+    }
+
+    public boolean isComplexRedstone() {
+        return true;
+    }
+
+    public int l(World world, BlockPosition blockposition) {
+        return Container.b((IInventory) this.f(world, blockposition));
+    }
+
+    public IBlockData fromLegacyData(int i) {
+        EnumDirection enumdirection = EnumDirection.fromType1(i);
+
+        if (enumdirection.k() == EnumDirection.EnumAxis.Y) {
+            enumdirection = EnumDirection.NORTH;
+        }
+
+        return this.getBlockData().set(BlockChest.FACING, enumdirection);
+    }
+
+    public int toLegacyData(IBlockData iblockdata) {
+        return ((EnumDirection) iblockdata.get(BlockChest.FACING)).a();
+    }
+
+    protected BlockStateList getStateList() {
+        return new BlockStateList(this, new IBlockState[] { BlockChest.FACING});
+    }
+}
diff --git a/src/main/java/net/minecraft/server/BlockFalling.java b/src/main/java/net/minecraft/server/BlockFalling.java
new file mode 100644
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
--- /dev/null
+++ b/src/main/java/net/minecraft/server/BlockFalling.java
@@ -0,0 +0,0 @@
+package net.minecraft.server;
+
+import java.util.Random;
+
+public class BlockFalling extends Block {
+
+    public static boolean instaFall;
+
+    public BlockFalling() {
+        super(Material.SAND);
+        this.a(CreativeModeTab.b);
+    }
+
+    public BlockFalling(Material material) {
+        super(material);
+    }
+
+    public void onPlace(World world, BlockPosition blockposition, IBlockData iblockdata) {
+        world.a(blockposition, (Block) this, this.a(world));
+    }
+
+    public void doPhysics(World world, BlockPosition blockposition, IBlockData iblockdata, Block block) {
+        world.a(blockposition, (Block) this, this.a(world));
+    }
+
+    public void b(World world, BlockPosition blockposition, IBlockData iblockdata, Random random) {
+        if (!world.isClientSide) {
+            this.f(world, blockposition);
+        }
+
+    }
+
+    private void f(World world, BlockPosition blockposition) {
+        if (canFall(world, blockposition.down()) && blockposition.getY() >= 0) {
+            byte b0 = 32;
+
+            if (!BlockFalling.instaFall && world.areChunksLoadedBetween(blockposition.a(-b0, -b0, -b0), blockposition.a(b0, b0, b0))) {
+                if (!world.isClientSide) {
+                    EntityFallingBlock entityfallingblock = new EntityFallingBlock(world, (double) blockposition.getX() + 0.5D, (double) blockposition.getY(), (double) blockposition.getZ() + 0.5D, world.getType(blockposition));
+
+                    this.a(entityfallingblock);
+                    world.addEntity(entityfallingblock);
+                }
+            } else {
+                world.setAir(blockposition);
+
+                BlockPosition blockposition1;
+
+                for (blockposition1 = blockposition.down(); canFall(world, blockposition1) && blockposition1.getY() > 0; blockposition1 = blockposition1.down()) {
+                    ;
+                }
+
+                if (blockposition1.getY() > 0) {
+                    world.setTypeUpdate(blockposition1.up(), this.getBlockData());
+                }
+            }
+
+        }
+    }
+
+    protected void a(EntityFallingBlock entityfallingblock) {}
+
+    public int a(World world) {
+        return 2;
+    }
+
+    public static boolean canFall(World world, BlockPosition blockposition) {
+        Block block = world.getType(blockposition).getBlock();
+        Material material = block.material;
+
+        return block == Blocks.FIRE || material == Material.AIR || material == Material.WATER || material == Material.LAVA;
+    }
+
+    public void a_(World world, BlockPosition blockposition) {}
+}
diff --git a/src/main/java/net/minecraft/server/BlockFluids.java b/src/main/java/net/minecraft/server/BlockFluids.java
new file mode 100644
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
--- /dev/null
+++ b/src/main/java/net/minecraft/server/BlockFluids.java
@@ -0,0 +0,0 @@
+package net.minecraft.server;
+
+import java.util.Iterator;
+import java.util.Random;
+
+public abstract class BlockFluids extends Block {
+
+    public static final BlockStateInteger LEVEL = BlockStateInteger.of("level", 0, 15);
+
+    protected BlockFluids(Material material) {
+        super(material);
+        this.j(this.blockStateList.getBlockData().set(BlockFluids.LEVEL, Integer.valueOf(0)));
+        this.a(0.0F, 0.0F, 0.0F, 1.0F, 1.0F, 1.0F);
+        this.a(true);
+    }
+
+    public boolean b(IBlockAccess iblockaccess, BlockPosition blockposition) {
+        return this.material != Material.LAVA;
+    }
+
+    public static float b(int i) {
+        if (i >= 8) {
+            i = 0;
+        }
+
+        return (float) (i + 1) / 9.0F;
+    }
+
+    protected int e(IBlockAccess iblockaccess, BlockPosition blockposition) {
+        return iblockaccess.getType(blockposition).getBlock().getMaterial() == this.material ? ((Integer) iblockaccess.getType(blockposition).get(BlockFluids.LEVEL)).intValue() : -1;
+    }
+
+    protected int f(IBlockAccess iblockaccess, BlockPosition blockposition) {
+        int i = this.e(iblockaccess, blockposition);
+
+        return i >= 8 ? 0 : i;
+    }
+
+    public boolean d() {
+        return false;
+    }
+
+    public boolean c() {
+        return false;
+    }
+
+    public boolean a(IBlockData iblockdata, boolean flag) {
+        return flag && ((Integer) iblockdata.get(BlockFluids.LEVEL)).intValue() == 0;
+    }
+
+    public boolean b(IBlockAccess iblockaccess, BlockPosition blockposition, EnumDirection enumdirection) {
+        Material material = iblockaccess.getType(blockposition).getBlock().getMaterial();
+
+        return material == this.material ? false : (enumdirection == EnumDirection.UP ? true : (material == Material.ICE ? false : super.b(iblockaccess, blockposition, enumdirection)));
+    }
+
+    public AxisAlignedBB a(World world, BlockPosition blockposition, IBlockData iblockdata) {
+        return null;
+    }
+
+    public int b() {
+        return 1;
+    }
+
+    public Item getDropType(IBlockData iblockdata, Random random, int i) {
+        return null;
+    }
+
+    public int a(Random random) {
+        return 0;
+    }
+
+    protected Vec3D h(IBlockAccess iblockaccess, BlockPosition blockposition) {
+        Vec3D vec3d = new Vec3D(0.0D, 0.0D, 0.0D);
+        int i = this.f(iblockaccess, blockposition);
+        Iterator iterator = EnumDirection.EnumDirectionLimit.HORIZONTAL.iterator();
+
+        EnumDirection enumdirection;
+        BlockPosition blockposition1;
+
+        while (iterator.hasNext()) {
+            enumdirection = (EnumDirection) iterator.next();
+            blockposition1 = blockposition.shift(enumdirection);
+            int j = this.f(iblockaccess, blockposition1);
+            int k;
+
+            if (j < 0) {
+                if (!iblockaccess.getType(blockposition1).getBlock().getMaterial().isSolid()) {
+                    j = this.f(iblockaccess, blockposition1.down());
+                    if (j >= 0) {
+                        k = j - (i - 8);
+                        vec3d = vec3d.add((double) ((blockposition1.getX() - blockposition.getX()) * k), (double) ((blockposition1.getY() - blockposition.getY()) * k), (double) ((blockposition1.getZ() - blockposition.getZ()) * k));
+                    }
+                }
+            } else if (j >= 0) {
+                k = j - i;
+                vec3d = vec3d.add((double) ((blockposition1.getX() - blockposition.getX()) * k), (double) ((blockposition1.getY() - blockposition.getY()) * k), (double) ((blockposition1.getZ() - blockposition.getZ()) * k));
+            }
+        }
+
+        if (((Integer) iblockaccess.getType(blockposition).get(BlockFluids.LEVEL)).intValue() >= 8) {
+            iterator = EnumDirection.EnumDirectionLimit.HORIZONTAL.iterator();
+
+            while (iterator.hasNext()) {
+                enumdirection = (EnumDirection) iterator.next();
+                blockposition1 = blockposition.shift(enumdirection);
+                if (this.b(iblockaccess, blockposition1, enumdirection) || this.b(iblockaccess, blockposition1.up(), enumdirection)) {
+                    vec3d = vec3d.a().add(0.0D, -6.0D, 0.0D);
+                    break;
+                }
+            }
+        }
+
+        return vec3d.a();
+    }
+
+    public Vec3D a(World world, BlockPosition blockposition, Entity entity, Vec3D vec3d) {
+        return vec3d.e(this.h(world, blockposition));
+    }
+
+    public int a(World world) {
+        return this.material == Material.WATER ? 5 : (this.material == Material.LAVA ? (world.worldProvider.o() ? 10 : 30) : 0);
+    }
+
+    public void onPlace(World world, BlockPosition blockposition, IBlockData iblockdata) {
+        this.e(world, blockposition, iblockdata);
+    }
+
+    public void doPhysics(World world, BlockPosition blockposition, IBlockData iblockdata, Block block) {
+        this.e(world, blockposition, iblockdata);
+    }
+
+    public boolean e(World world, BlockPosition blockposition, IBlockData iblockdata) {
+        if (this.material == Material.LAVA) {
+            boolean flag = false;
+            EnumDirection[] aenumdirection = EnumDirection.values();
+            int i = aenumdirection.length;
+
+            for (int j = 0; j < i; ++j) {
+                EnumDirection enumdirection = aenumdirection[j];
+
+                if (enumdirection != EnumDirection.DOWN && world.getType(blockposition.shift(enumdirection)).getBlock().getMaterial() == Material.WATER) {
+                    flag = true;
+                    break;
+                }
+            }
+
+            if (flag) {
+                Integer integer = (Integer) iblockdata.get(BlockFluids.LEVEL);
+
+                if (integer.intValue() == 0) {
+                    world.setTypeUpdate(blockposition, Blocks.OBSIDIAN.getBlockData());
+                    this.fizz(world, blockposition);
+                    return true;
+                }
+
+                if (integer.intValue() <= 4) {
+                    world.setTypeUpdate(blockposition, Blocks.COBBLESTONE.getBlockData());
+                    this.fizz(world, blockposition);
+                    return true;
+                }
+            }
+        }
+
+        return false;
+    }
+
+    protected void fizz(World world, BlockPosition blockposition) {
+        double d0 = (double) blockposition.getX();
+        double d1 = (double) blockposition.getY();
+        double d2 = (double) blockposition.getZ();
+
+        world.makeSound(d0 + 0.5D, d1 + 0.5D, d2 + 0.5D, "random.fizz", 0.5F, 2.6F + (world.random.nextFloat() - world.random.nextFloat()) * 0.8F);
+
+        for (int i = 0; i < 8; ++i) {
+            world.addParticle(EnumParticle.SMOKE_LARGE, d0 + Math.random(), d1 + 1.2D, d2 + Math.random(), 0.0D, 0.0D, 0.0D, new int[0]);
+        }
+
+    }
+
+    public IBlockData fromLegacyData(int i) {
+        return this.getBlockData().set(BlockFluids.LEVEL, Integer.valueOf(i));
+    }
+
+    public int toLegacyData(IBlockData iblockdata) {
+        return ((Integer) iblockdata.get(BlockFluids.LEVEL)).intValue();
+    }
+
+    protected BlockStateList getStateList() {
+        return new BlockStateList(this, new IBlockState[] { BlockFluids.LEVEL});
+    }
+
+    public static BlockFlowing a(Material material) {
+        if (material == Material.WATER) {
+            return Blocks.FLOWING_WATER;
+        } else if (material == Material.LAVA) {
+            return Blocks.FLOWING_LAVA;
+        } else {
+            throw new IllegalArgumentException("Invalid material");
+        }
+    }
+
+    public static BlockStationary b(Material material) {
+        if (material == Material.WATER) {
+            return Blocks.WATER;
+        } else if (material == Material.LAVA) {
+            return Blocks.LAVA;
+        } else {
+            throw new IllegalArgumentException("Invalid material");
+        }
+    }
+}
diff --git a/src/main/java/net/minecraft/server/ChunkProviderFlat.java b/src/main/java/net/minecraft/server/ChunkProviderFlat.java
new file mode 100644
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
--- /dev/null
+++ b/src/main/java/net/minecraft/server/ChunkProviderFlat.java
@@ -0,0 +0,0 @@
+package net.minecraft.server;
+
+import com.google.common.collect.Lists;
+import java.util.Iterator;
+import java.util.List;
+import java.util.Map;
+import java.util.Random;
+
+public class ChunkProviderFlat implements IChunkProvider {
+
+    private World a;
+    private Random b;
+    private final IBlockData[] c = new IBlockData[256];
+    private final WorldGenFlatInfo d;
+    private final List<StructureGenerator> e = Lists.newArrayList();
+    private final boolean f;
+    private final boolean g;
+    private WorldGenLakes h;
+    private WorldGenLakes i;
+
+    public ChunkProviderFlat(World world, long i, boolean flag, String s) {
+        this.a = world;
+        this.b = new Random(i);
+        this.d = WorldGenFlatInfo.a(s);
+        if (flag) {
+            Map map = this.d.b();
+
+            if (map.containsKey("village")) {
+                Map map1 = (Map) map.get("village");
+
+                if (!map1.containsKey("size")) {
+                    map1.put("size", "1");
+                }
+
+                this.e.add(new WorldGenVillage(map1));
+            }
+
+            if (map.containsKey("biome_1")) {
+                this.e.add(new WorldGenLargeFeature((Map) map.get("biome_1")));
+            }
+
+            if (map.containsKey("mineshaft")) {
+                this.e.add(new WorldGenMineshaft((Map) map.get("mineshaft")));
+            }
+
+            if (map.containsKey("stronghold")) {
+                this.e.add(new WorldGenStronghold((Map) map.get("stronghold")));
+            }
+
+            if (map.containsKey("oceanmonument")) {
+                this.e.add(new WorldGenMonument((Map) map.get("oceanmonument")));
+            }
+        }
+
+        if (this.d.b().containsKey("lake")) {
+            this.h = new WorldGenLakes(Blocks.WATER);
+        }
+
+        if (this.d.b().containsKey("lava_lake")) {
+            this.i = new WorldGenLakes(Blocks.LAVA);
+        }
+
+        this.g = this.d.b().containsKey("dungeon");
+        int j = 0;
+        int k = 0;
+        boolean flag1 = true;
+        Iterator iterator = this.d.c().iterator();
+
+        while (iterator.hasNext()) {
+            WorldGenFlatLayerInfo worldgenflatlayerinfo = (WorldGenFlatLayerInfo) iterator.next();
+
+            for (int l = worldgenflatlayerinfo.d(); l < worldgenflatlayerinfo.d() + worldgenflatlayerinfo.b(); ++l) {
+                IBlockData iblockdata = worldgenflatlayerinfo.c();
+
+                if (iblockdata.getBlock() != Blocks.AIR) {
+                    flag1 = false;
+                    this.c[l] = iblockdata;
+                }
+            }
+
+            if (worldgenflatlayerinfo.c().getBlock() == Blocks.AIR) {
+                k += worldgenflatlayerinfo.b();
+            } else {
+                j += worldgenflatlayerinfo.b() + k;
+                k = 0;
+            }
+        }
+
+        world.b(j);
+        this.f = flag1 ? false : this.d.b().containsKey("decoration");
+    }
+
+    public Chunk getOrCreateChunk(int i, int j) {
+        ChunkSnapshot chunksnapshot = new ChunkSnapshot();
+
+        int k;
+
+        for (int l = 0; l < this.c.length; ++l) {
+            IBlockData iblockdata = this.c[l];
+
+            if (iblockdata != null) {
+                for (int i1 = 0; i1 < 16; ++i1) {
+                    for (k = 0; k < 16; ++k) {
+                        chunksnapshot.a(i1, l, k, iblockdata);
+                    }
+                }
+            }
+        }
+
+        Iterator iterator = this.e.iterator();
+
+        while (iterator.hasNext()) {
+            WorldGenBase worldgenbase = (WorldGenBase) iterator.next();
+
+            worldgenbase.a(this, this.a, i, j, chunksnapshot);
+        }
+
+        Chunk chunk = new Chunk(this.a, chunksnapshot, i, j);
+        BiomeBase[] abiomebase = this.a.getWorldChunkManager().getBiomeBlock((BiomeBase[]) null, i * 16, j * 16, 16, 16);
+        byte[] abyte = chunk.getBiomeIndex();
+
+        for (k = 0; k < abyte.length; ++k) {
+            abyte[k] = (byte) abiomebase[k].id;
+        }
+
+        chunk.initLighting();
+        return chunk;
+    }
+
+    public boolean isChunkLoaded(int i, int j) {
+        return true;
+    }
+
+    public void getChunkAt(IChunkProvider ichunkprovider, int i, int j) {
+        int k = i * 16;
+        int l = j * 16;
+        BlockPosition blockposition = new BlockPosition(k, 0, l);
+        BiomeBase biomebase = this.a.getBiome(new BlockPosition(k + 16, 0, l + 16));
+        boolean flag = false;
+
+        this.b.setSeed(this.a.getSeed());
+        long i1 = this.b.nextLong() / 2L * 2L + 1L;
+        long j1 = this.b.nextLong() / 2L * 2L + 1L;
+
+        this.b.setSeed((long) i * i1 + (long) j * j1 ^ this.a.getSeed());
+        ChunkCoordIntPair chunkcoordintpair = new ChunkCoordIntPair(i, j);
+        Iterator iterator = this.e.iterator();
+
+        while (iterator.hasNext()) {
+            StructureGenerator structuregenerator = (StructureGenerator) iterator.next();
+            boolean flag1 = structuregenerator.a(this.a, this.b, chunkcoordintpair);
+
+            if (structuregenerator instanceof WorldGenVillage) {
+                flag |= flag1;
+            }
+        }
+
+        if (this.h != null && !flag && this.b.nextInt(4) == 0) {
+            this.h.generate(this.a, this.b, blockposition.a(this.b.nextInt(16) + 8, this.b.nextInt(256), this.b.nextInt(16) + 8));
+        }
+
+        if (this.i != null && !flag && this.b.nextInt(8) == 0) {
+            BlockPosition blockposition1 = blockposition.a(this.b.nextInt(16) + 8, this.b.nextInt(this.b.nextInt(248) + 8), this.b.nextInt(16) + 8);
+
+            if (blockposition1.getY() < this.a.F() || this.b.nextInt(10) == 0) {
+                this.i.generate(this.a, this.b, blockposition1);
+            }
+        }
+
+        if (this.g) {
+            for (int k1 = 0; k1 < 8; ++k1) {
+                (new WorldGenDungeons()).generate(this.a, this.b, blockposition.a(this.b.nextInt(16) + 8, this.b.nextInt(256), this.b.nextInt(16) + 8));
+            }
+        }
+
+        if (this.f) {
+            biomebase.a(this.a, this.b, blockposition);
+        }
+
+    }
+
+    public boolean a(IChunkProvider ichunkprovider, Chunk chunk, int i, int j) {
+        return false;
+    }
+
+    public boolean saveChunks(boolean flag, IProgressUpdate iprogressupdate) {
+        return true;
+    }
+
+    public void c() {}
+
+    public boolean unloadChunks() {
+        return false;
+    }
+
+    public boolean canSave() {
+        return true;
+    }
+
+    public String getName() {
+        return "FlatLevelSource";
+    }
+
+    public List<BiomeBase.BiomeMeta> getMobsFor(EnumCreatureType enumcreaturetype, BlockPosition blockposition) {
+        BiomeBase biomebase = this.a.getBiome(blockposition);
+
+        return biomebase.getMobs(enumcreaturetype);
+    }
+
+    public BlockPosition findNearestMapFeature(World world, String s, BlockPosition blockposition) {
+        if ("Stronghold".equals(s)) {
+            Iterator iterator = this.e.iterator();
+
+            while (iterator.hasNext()) {
+                StructureGenerator structuregenerator = (StructureGenerator) iterator.next();
+
+                if (structuregenerator instanceof WorldGenStronghold) {
+                    return structuregenerator.getNearestGeneratedFeature(world, blockposition);
+                }
+            }
+        }
+
+        return null;
+    }
+
+    public int getLoadedChunks() {
+        return 0;
+    }
+
+    public void recreateStructures(Chunk chunk, int i, int j) {
+        Iterator iterator = this.e.iterator();
+
+        while (iterator.hasNext()) {
+            StructureGenerator structuregenerator = (StructureGenerator) iterator.next();
+
+            structuregenerator.a(this, this.a, i, j, (ChunkSnapshot) null);
+        }
+
+    }
+
+    public Chunk getChunkAt(BlockPosition blockposition) {
+        return this.getOrCreateChunk(blockposition.getX() >> 4, blockposition.getZ() >> 4);
+    }
+}
diff --git a/src/main/java/net/minecraft/server/ChunkProviderGenerate.java b/src/main/java/net/minecraft/server/ChunkProviderGenerate.java
new file mode 100644
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
--- /dev/null
+++ b/src/main/java/net/minecraft/server/ChunkProviderGenerate.java
@@ -0,0 +0,0 @@
+package net.minecraft.server;
+
+import java.util.List;
+import java.util.Random;
+
+public class ChunkProviderGenerate implements IChunkProvider {
+
+    private Random h;
+    private NoiseGeneratorOctaves i;
+    private NoiseGeneratorOctaves j;
+    private NoiseGeneratorOctaves k;
+    private NoiseGenerator3 l;
+    public NoiseGeneratorOctaves a;
+    public NoiseGeneratorOctaves b;
+    public NoiseGeneratorOctaves c;
+    private World m;
+    private final boolean n;
+    private WorldType o;
+    private final double[] p;
+    private final float[] q;
+    private CustomWorldSettingsFinal r;
+    private Block s;
+    private double[] t;
+    private WorldGenBase u;
+    private WorldGenStronghold v;
+    private WorldGenVillage w;
+    private WorldGenMineshaft x;
+    private WorldGenLargeFeature y;
+    private WorldGenBase z;
+    private WorldGenMonument A;
+    private BiomeBase[] B;
+    double[] d;
+    double[] e;
+    double[] f;
+    double[] g;
+
+    public ChunkProviderGenerate(World world, long i, boolean flag, String s) {
+        this.s = Blocks.WATER;
+        this.t = new double[256];
+        this.u = new WorldGenCaves();
+        this.v = new WorldGenStronghold();
+        this.w = new WorldGenVillage();
+        this.x = new WorldGenMineshaft();
+        this.y = new WorldGenLargeFeature();
+        this.z = new WorldGenCanyon();
+        this.A = new WorldGenMonument();
+        this.m = world;
+        this.n = flag;
+        this.o = world.getWorldData().getType();
+        this.h = new Random(i);
+        this.i = new NoiseGeneratorOctaves(this.h, 16);
+        this.j = new NoiseGeneratorOctaves(this.h, 16);
+        this.k = new NoiseGeneratorOctaves(this.h, 8);
+        this.l = new NoiseGenerator3(this.h, 4);
+        this.a = new NoiseGeneratorOctaves(this.h, 10);
+        this.b = new NoiseGeneratorOctaves(this.h, 16);
+        this.c = new NoiseGeneratorOctaves(this.h, 8);
+        this.p = new double[825];
+        this.q = new float[25];
+
+        for (int j = -2; j <= 2; ++j) {
+            for (int k = -2; k <= 2; ++k) {
+                float f = 10.0F / MathHelper.c((float) (j * j + k * k) + 0.2F);
+
+                this.q[j + 2 + (k + 2) * 5] = f;
+            }
+        }
+
+        if (s != null) {
+            this.r = CustomWorldSettingsFinal.CustomWorldSettings.a(s).b();
+            this.s = this.r.E ? Blocks.LAVA : Blocks.WATER;
+            world.b(this.r.q);
+        }
+
+    }
+
+    public void a(int i, int j, ChunkSnapshot chunksnapshot) {
+        this.B = this.m.getWorldChunkManager().getBiomes(this.B, i * 4 - 2, j * 4 - 2, 10, 10);
+        this.a(i * 4, 0, j * 4);
+
+        for (int k = 0; k < 4; ++k) {
+            int l = k * 5;
+            int i1 = (k + 1) * 5;
+
+            for (int j1 = 0; j1 < 4; ++j1) {
+                int k1 = (l + j1) * 33;
+                int l1 = (l + j1 + 1) * 33;
+                int i2 = (i1 + j1) * 33;
+                int j2 = (i1 + j1 + 1) * 33;
+
+                for (int k2 = 0; k2 < 32; ++k2) {
+                    double d0 = 0.125D;
+                    double d1 = this.p[k1 + k2];
+                    double d2 = this.p[l1 + k2];
+                    double d3 = this.p[i2 + k2];
+                    double d4 = this.p[j2 + k2];
+                    double d5 = (this.p[k1 + k2 + 1] - d1) * d0;
+                    double d6 = (this.p[l1 + k2 + 1] - d2) * d0;
+                    double d7 = (this.p[i2 + k2 + 1] - d3) * d0;
+                    double d8 = (this.p[j2 + k2 + 1] - d4) * d0;
+
+                    for (int l2 = 0; l2 < 8; ++l2) {
+                        double d9 = 0.25D;
+                        double d10 = d1;
+                        double d11 = d2;
+                        double d12 = (d3 - d1) * d9;
+                        double d13 = (d4 - d2) * d9;
+
+                        for (int i3 = 0; i3 < 4; ++i3) {
+                            double d14 = 0.25D;
+                            double d15 = (d11 - d10) * d14;
+                            double d16 = d10 - d15;
+
+                            for (int j3 = 0; j3 < 4; ++j3) {
+                                if ((d16 += d15) > 0.0D) {
+                                    chunksnapshot.a(k * 4 + i3, k2 * 8 + l2, j1 * 4 + j3, Blocks.STONE.getBlockData());
+                                } else if (k2 * 8 + l2 < this.r.q) {
+                                    chunksnapshot.a(k * 4 + i3, k2 * 8 + l2, j1 * 4 + j3, this.s.getBlockData());
+                                }
+                            }
+
+                            d10 += d12;
+                            d11 += d13;
+                        }
+
+                        d1 += d5;
+                        d2 += d6;
+                        d3 += d7;
+                        d4 += d8;
+                    }
+                }
+            }
+        }
+
+    }
+
+    public void a(int i, int j, ChunkSnapshot chunksnapshot, BiomeBase[] abiomebase) {
+        double d0 = 0.03125D;
+
+        this.t = this.l.a(this.t, (double) (i * 16), (double) (j * 16), 16, 16, d0 * 2.0D, d0 * 2.0D, 1.0D);
+
+        for (int k = 0; k < 16; ++k) {
+            for (int l = 0; l < 16; ++l) {
+                BiomeBase biomebase = abiomebase[l + k * 16];
+
+                biomebase.a(this.m, this.h, chunksnapshot, i * 16 + k, j * 16 + l, this.t[l + k * 16]);
+            }
+        }
+
+    }
+
+    public Chunk getOrCreateChunk(int i, int j) {
+        this.h.setSeed((long) i * 341873128712L + (long) j * 132897987541L);
+        ChunkSnapshot chunksnapshot = new ChunkSnapshot();
+
+        this.a(i, j, chunksnapshot);
+        this.B = this.m.getWorldChunkManager().getBiomeBlock(this.B, i * 16, j * 16, 16, 16);
+        this.a(i, j, chunksnapshot, this.B);
+        if (this.r.r) {
+            this.u.a(this, this.m, i, j, chunksnapshot);
+        }
+
+        if (this.r.z) {
+            this.z.a(this, this.m, i, j, chunksnapshot);
+        }
+
+        if (this.r.w && this.n) {
+            this.x.a(this, this.m, i, j, chunksnapshot);
+        }
+
+        if (this.r.v && this.n) {
+            this.w.a(this, this.m, i, j, chunksnapshot);
+        }
+
+        if (this.r.u && this.n) {
+            this.v.a(this, this.m, i, j, chunksnapshot);
+        }
+
+        if (this.r.x && this.n) {
+            this.y.a(this, this.m, i, j, chunksnapshot);
+        }
+
+        if (this.r.y && this.n) {
+            this.A.a(this, this.m, i, j, chunksnapshot);
+        }
+
+        Chunk chunk = new Chunk(this.m, chunksnapshot, i, j);
+        byte[] abyte = chunk.getBiomeIndex();
+
+        for (int k = 0; k < abyte.length; ++k) {
+            abyte[k] = (byte) this.B[k].id;
+        }
+
+        chunk.initLighting();
+        return chunk;
+    }
+
+    private void a(int i, int j, int k) {
+        this.g = this.b.a(this.g, i, k, 5, 5, (double) this.r.e, (double) this.r.f, (double) this.r.g);
+        float f = this.r.a;
+        float f1 = this.r.b;
+
+        this.d = this.k.a(this.d, i, j, k, 5, 33, 5, (double) (f / this.r.h), (double) (f1 / this.r.i), (double) (f / this.r.j));
+        this.e = this.i.a(this.e, i, j, k, 5, 33, 5, (double) f, (double) f1, (double) f);
+        this.f = this.j.a(this.f, i, j, k, 5, 33, 5, (double) f, (double) f1, (double) f);
+        boolean flag = false;
+        boolean flag1 = false;
+        int l = 0;
+        int i1 = 0;
+
+        for (int j1 = 0; j1 < 5; ++j1) {
+            for (int k1 = 0; k1 < 5; ++k1) {
+                float f2 = 0.0F;
+                float f3 = 0.0F;
+                float f4 = 0.0F;
+                byte b0 = 2;
+                BiomeBase biomebase = this.B[j1 + 2 + (k1 + 2) * 10];
+
+                for (int l1 = -b0; l1 <= b0; ++l1) {
+                    for (int i2 = -b0; i2 <= b0; ++i2) {
+                        BiomeBase biomebase1 = this.B[j1 + l1 + 2 + (k1 + i2 + 2) * 10];
+                        float f5 = this.r.n + biomebase1.an * this.r.m;
+                        float f6 = this.r.p + biomebase1.ao * this.r.o;
+
+                        if (this.o == WorldType.AMPLIFIED && f5 > 0.0F) {
+                            f5 = 1.0F + f5 * 2.0F;
+                            f6 = 1.0F + f6 * 4.0F;
+                        }
+
+                        float f7 = this.q[l1 + 2 + (i2 + 2) * 5] / (f5 + 2.0F);
+
+                        if (biomebase1.an > biomebase.an) {
+                            f7 /= 2.0F;
+                        }
+
+                        f2 += f6 * f7;
+                        f3 += f5 * f7;
+                        f4 += f7;
+                    }
+                }
+
+                f2 /= f4;
+                f3 /= f4;
+                f2 = f2 * 0.9F + 0.1F;
+                f3 = (f3 * 4.0F - 1.0F) / 8.0F;
+                double d0 = this.g[i1] / 8000.0D;
+
+                if (d0 < 0.0D) {
+                    d0 = -d0 * 0.3D;
+                }
+
+                d0 = d0 * 3.0D - 2.0D;
+                if (d0 < 0.0D) {
+                    d0 /= 2.0D;
+                    if (d0 < -1.0D) {
+                        d0 = -1.0D;
+                    }
+
+                    d0 /= 1.4D;
+                    d0 /= 2.0D;
+                } else {
+                    if (d0 > 1.0D) {
+                        d0 = 1.0D;
+                    }
+
+                    d0 /= 8.0D;
+                }
+
+                ++i1;
+                double d1 = (double) f3;
+                double d2 = (double) f2;
+
+                d1 += d0 * 0.2D;
+                d1 = d1 * (double) this.r.k / 8.0D;
+                double d3 = (double) this.r.k + d1 * 4.0D;
+
+                for (int j2 = 0; j2 < 33; ++j2) {
+                    double d4 = ((double) j2 - d3) * (double) this.r.l * 128.0D / 256.0D / d2;
+
+                    if (d4 < 0.0D) {
+                        d4 *= 4.0D;
+                    }
+
+                    double d5 = this.e[l] / (double) this.r.d;
+                    double d6 = this.f[l] / (double) this.r.c;
+                    double d7 = (this.d[l] / 10.0D + 1.0D) / 2.0D;
+                    double d8 = MathHelper.b(d5, d6, d7) - d4;
+
+                    if (j2 > 29) {
+                        double d9 = (double) ((float) (j2 - 29) / 3.0F);
+
+                        d8 = d8 * (1.0D - d9) + -10.0D * d9;
+                    }
+
+                    this.p[l] = d8;
+                    ++l;
+                }
+            }
+        }
+
+    }
+
+    public boolean isChunkLoaded(int i, int j) {
+        return true;
+    }
+
+    public void getChunkAt(IChunkProvider ichunkprovider, int i, int j) {
+        BlockFalling.instaFall = true;
+        int k = i * 16;
+        int l = j * 16;
+        BlockPosition blockposition = new BlockPosition(k, 0, l);
+        BiomeBase biomebase = this.m.getBiome(blockposition.a(16, 0, 16));
+
+        this.h.setSeed(this.m.getSeed());
+        long i1 = this.h.nextLong() / 2L * 2L + 1L;
+        long j1 = this.h.nextLong() / 2L * 2L + 1L;
+
+        this.h.setSeed((long) i * i1 + (long) j * j1 ^ this.m.getSeed());
+        boolean flag = false;
+        ChunkCoordIntPair chunkcoordintpair = new ChunkCoordIntPair(i, j);
+
+        if (this.r.w && this.n) {
+            this.x.a(this.m, this.h, chunkcoordintpair);
+        }
+
+        if (this.r.v && this.n) {
+            flag = this.w.a(this.m, this.h, chunkcoordintpair);
+        }
+
+        if (this.r.u && this.n) {
+            this.v.a(this.m, this.h, chunkcoordintpair);
+        }
+
+        if (this.r.x && this.n) {
+            this.y.a(this.m, this.h, chunkcoordintpair);
+        }
+
+        if (this.r.y && this.n) {
+            this.A.a(this.m, this.h, chunkcoordintpair);
+        }
+
+        int k1;
+        int l1;
+        int i2;
+
+        if (biomebase != BiomeBase.DESERT && biomebase != BiomeBase.DESERT_HILLS && this.r.A && !flag && this.h.nextInt(this.r.B) == 0) {
+            k1 = this.h.nextInt(16) + 8;
+            l1 = this.h.nextInt(256);
+            i2 = this.h.nextInt(16) + 8;
+            (new WorldGenLakes(Blocks.WATER)).generate(this.m, this.h, blockposition.a(k1, l1, i2));
+        }
+
+        if (!flag && this.h.nextInt(this.r.D / 10) == 0 && this.r.C) {
+            k1 = this.h.nextInt(16) + 8;
+            l1 = this.h.nextInt(this.h.nextInt(248) + 8);
+            i2 = this.h.nextInt(16) + 8;
+            if (l1 < this.m.F() || this.h.nextInt(this.r.D / 8) == 0) {
+                (new WorldGenLakes(Blocks.LAVA)).generate(this.m, this.h, blockposition.a(k1, l1, i2));
+            }
+        }
+
+        if (this.r.s) {
+            for (k1 = 0; k1 < this.r.t; ++k1) {
+                l1 = this.h.nextInt(16) + 8;
+                i2 = this.h.nextInt(256);
+                int j2 = this.h.nextInt(16) + 8;
+
+                (new WorldGenDungeons()).generate(this.m, this.h, blockposition.a(l1, i2, j2));
+            }
+        }
+
+        biomebase.a(this.m, this.h, new BlockPosition(k, 0, l));
+        SpawnerCreature.a(this.m, biomebase, k + 8, l + 8, 16, 16, this.h);
+        blockposition = blockposition.a(8, 0, 8);
+
+        for (k1 = 0; k1 < 16; ++k1) {
+            for (l1 = 0; l1 < 16; ++l1) {
+                BlockPosition blockposition1 = this.m.q(blockposition.a(k1, 0, l1));
+                BlockPosition blockposition2 = blockposition1.down();
+
+                if (this.m.v(blockposition2)) {
+                    this.m.setTypeAndData(blockposition2, Blocks.ICE.getBlockData(), 2);
+                }
+
+                if (this.m.f(blockposition1, true)) {
+                    this.m.setTypeAndData(blockposition1, Blocks.SNOW_LAYER.getBlockData(), 2);
+                }
+            }
+        }
+
+        BlockFalling.instaFall = false;
+    }
+
+    public boolean a(IChunkProvider ichunkprovider, Chunk chunk, int i, int j) {
+        boolean flag = false;
+
+        if (this.r.y && this.n && chunk.w() < 3600L) {
+            flag |= this.A.a(this.m, this.h, new ChunkCoordIntPair(i, j));
+        }
+
+        return flag;
+    }
+
+    public boolean saveChunks(boolean flag, IProgressUpdate iprogressupdate) {
+        return true;
+    }
+
+    public void c() {}
+
+    public boolean unloadChunks() {
+        return false;
+    }
+
+    public boolean canSave() {
+        return true;
+    }
+
+    public String getName() {
+        return "RandomLevelSource";
+    }
+
+    public List<BiomeBase.BiomeMeta> getMobsFor(EnumCreatureType enumcreaturetype, BlockPosition blockposition) {
+        BiomeBase biomebase = this.m.getBiome(blockposition);
+
+        if (this.n) {
+            if (enumcreaturetype == EnumCreatureType.MONSTER && this.y.a(blockposition)) {
+                return this.y.b();
+            }
+
+            if (enumcreaturetype == EnumCreatureType.MONSTER && this.r.y && this.A.a(this.m, blockposition)) {
+                return this.A.b();
+            }
+        }
+
+        return biomebase.getMobs(enumcreaturetype);
+    }
+
+    public BlockPosition findNearestMapFeature(World world, String s, BlockPosition blockposition) {
+        return "Stronghold".equals(s) && this.v != null ? this.v.getNearestGeneratedFeature(world, blockposition) : null;
+    }
+
+    public int getLoadedChunks() {
+        return 0;
+    }
+
+    public void recreateStructures(Chunk chunk, int i, int j) {
+        if (this.r.w && this.n) {
+            this.x.a(this, this.m, i, j, (ChunkSnapshot) null);
+        }
+
+        if (this.r.v && this.n) {
+            this.w.a(this, this.m, i, j, (ChunkSnapshot) null);
+        }
+
+        if (this.r.u && this.n) {
+            this.v.a(this, this.m, i, j, (ChunkSnapshot) null);
+        }
+
+        if (this.r.x && this.n) {
+            this.y.a(this, this.m, i, j, (ChunkSnapshot) null);
+        }
+
+        if (this.r.y && this.n) {
+            this.A.a(this, this.m, i, j, (ChunkSnapshot) null);
+        }
+
+    }
+
+    public Chunk getChunkAt(BlockPosition blockposition) {
+        return this.getOrCreateChunk(blockposition.getX() >> 4, blockposition.getZ() >> 4);
+    }
+}
diff --git a/src/main/java/net/minecraft/server/ChunkProviderHell.java b/src/main/java/net/minecraft/server/ChunkProviderHell.java
new file mode 100644
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
--- /dev/null
+++ b/src/main/java/net/minecraft/server/ChunkProviderHell.java
@@ -0,0 +0,0 @@
+package net.minecraft.server;
+
+import java.util.List;
+import java.util.Random;
+
+public class ChunkProviderHell implements IChunkProvider {
+
+    private final World h;
+    private final boolean i;
+    private final Random j;
+    private double[] k = new double[256];
+    private double[] l = new double[256];
+    private double[] m = new double[256];
+    private double[] n;
+    private final NoiseGeneratorOctaves o;
+    private final NoiseGeneratorOctaves p;
+    private final NoiseGeneratorOctaves q;
+    private final NoiseGeneratorOctaves r;
+    private final NoiseGeneratorOctaves s;
+    public final NoiseGeneratorOctaves a;
+    public final NoiseGeneratorOctaves b;
+    private final WorldGenFire t = new WorldGenFire();
+    private final WorldGenLightStone1 u = new WorldGenLightStone1();
+    private final WorldGenLightStone2 v = new WorldGenLightStone2();
+    private final WorldGenerator w;
+    private final WorldGenHellLava x;
+    private final WorldGenHellLava y;
+    private final WorldGenMushrooms z;
+    private final WorldGenMushrooms A;
+    private final WorldGenNether B;
+    private final WorldGenBase C;
+    double[] c;
+    double[] d;
+    double[] e;
+    double[] f;
+    double[] g;
+
+    public ChunkProviderHell(World world, boolean flag, long i) {
+        this.w = new WorldGenMinable(Blocks.QUARTZ_ORE.getBlockData(), 14, BlockPredicate.a(Blocks.NETHERRACK));
+        this.x = new WorldGenHellLava(Blocks.FLOWING_LAVA, true);
+        this.y = new WorldGenHellLava(Blocks.FLOWING_LAVA, false);
+        this.z = new WorldGenMushrooms(Blocks.BROWN_MUSHROOM);
+        this.A = new WorldGenMushrooms(Blocks.RED_MUSHROOM);
+        this.B = new WorldGenNether();
+        this.C = new WorldGenCavesHell();
+        this.h = world;
+        this.i = flag;
+        this.j = new Random(i);
+        this.o = new NoiseGeneratorOctaves(this.j, 16);
+        this.p = new NoiseGeneratorOctaves(this.j, 16);
+        this.q = new NoiseGeneratorOctaves(this.j, 8);
+        this.r = new NoiseGeneratorOctaves(this.j, 4);
+        this.s = new NoiseGeneratorOctaves(this.j, 4);
+        this.a = new NoiseGeneratorOctaves(this.j, 10);
+        this.b = new NoiseGeneratorOctaves(this.j, 16);
+        world.b(63);
+    }
+
+    public void a(int i, int j, ChunkSnapshot chunksnapshot) {
+        byte b0 = 4;
+        int k = this.h.F() / 2 + 1;
+        int l = b0 + 1;
+        byte b1 = 17;
+        int i1 = b0 + 1;
+
+        this.n = this.a(this.n, i * b0, 0, j * b0, l, b1, i1);
+
+        for (int j1 = 0; j1 < b0; ++j1) {
+            for (int k1 = 0; k1 < b0; ++k1) {
+                for (int l1 = 0; l1 < 16; ++l1) {
+                    double d0 = 0.125D;
+                    double d1 = this.n[((j1 + 0) * i1 + k1 + 0) * b1 + l1 + 0];
+                    double d2 = this.n[((j1 + 0) * i1 + k1 + 1) * b1 + l1 + 0];
+                    double d3 = this.n[((j1 + 1) * i1 + k1 + 0) * b1 + l1 + 0];
+                    double d4 = this.n[((j1 + 1) * i1 + k1 + 1) * b1 + l1 + 0];
+                    double d5 = (this.n[((j1 + 0) * i1 + k1 + 0) * b1 + l1 + 1] - d1) * d0;
+                    double d6 = (this.n[((j1 + 0) * i1 + k1 + 1) * b1 + l1 + 1] - d2) * d0;
+                    double d7 = (this.n[((j1 + 1) * i1 + k1 + 0) * b1 + l1 + 1] - d3) * d0;
+                    double d8 = (this.n[((j1 + 1) * i1 + k1 + 1) * b1 + l1 + 1] - d4) * d0;
+
+                    for (int i2 = 0; i2 < 8; ++i2) {
+                        double d9 = 0.25D;
+                        double d10 = d1;
+                        double d11 = d2;
+                        double d12 = (d3 - d1) * d9;
+                        double d13 = (d4 - d2) * d9;
+
+                        for (int j2 = 0; j2 < 4; ++j2) {
+                            double d14 = 0.25D;
+                            double d15 = d10;
+                            double d16 = (d11 - d10) * d14;
+
+                            for (int k2 = 0; k2 < 4; ++k2) {
+                                IBlockData iblockdata = null;
+
+                                if (l1 * 8 + i2 < k) {
+                                    iblockdata = Blocks.LAVA.getBlockData();
+                                }
+
+                                if (d15 > 0.0D) {
+                                    iblockdata = Blocks.NETHERRACK.getBlockData();
+                                }
+
+                                int l2 = j2 + j1 * 4;
+                                int i3 = i2 + l1 * 8;
+                                int j3 = k2 + k1 * 4;
+
+                                chunksnapshot.a(l2, i3, j3, iblockdata);
+                                d15 += d16;
+                            }
+
+                            d10 += d12;
+                            d11 += d13;
+                        }
+
+                        d1 += d5;
+                        d2 += d6;
+                        d3 += d7;
+                        d4 += d8;
+                    }
+                }
+            }
+        }
+
+    }
+
+    public void b(int i, int j, ChunkSnapshot chunksnapshot) {
+        int k = this.h.F() + 1;
+        double d0 = 0.03125D;
+
+        this.k = this.r.a(this.k, i * 16, j * 16, 0, 16, 16, 1, d0, d0, 1.0D);
+        this.l = this.r.a(this.l, i * 16, 109, j * 16, 16, 1, 16, d0, 1.0D, d0);
+        this.m = this.s.a(this.m, i * 16, j * 16, 0, 16, 16, 1, d0 * 2.0D, d0 * 2.0D, d0 * 2.0D);
+
+        for (int l = 0; l < 16; ++l) {
+            for (int i1 = 0; i1 < 16; ++i1) {
+                boolean flag = this.k[l + i1 * 16] + this.j.nextDouble() * 0.2D > 0.0D;
+                boolean flag1 = this.l[l + i1 * 16] + this.j.nextDouble() * 0.2D > 0.0D;
+                int j1 = (int) (this.m[l + i1 * 16] / 3.0D + 3.0D + this.j.nextDouble() * 0.25D);
+                int k1 = -1;
+                IBlockData iblockdata = Blocks.NETHERRACK.getBlockData();
+                IBlockData iblockdata1 = Blocks.NETHERRACK.getBlockData();
+
+                for (int l1 = 127; l1 >= 0; --l1) {
+                    if (l1 < 127 - this.j.nextInt(5) && l1 > this.j.nextInt(5)) {
+                        IBlockData iblockdata2 = chunksnapshot.a(i1, l1, l);
+
+                        if (iblockdata2.getBlock() != null && iblockdata2.getBlock().getMaterial() != Material.AIR) {
+                            if (iblockdata2.getBlock() == Blocks.NETHERRACK) {
+                                if (k1 == -1) {
+                                    if (j1 <= 0) {
+                                        iblockdata = null;
+                                        iblockdata1 = Blocks.NETHERRACK.getBlockData();
+                                    } else if (l1 >= k - 4 && l1 <= k + 1) {
+                                        iblockdata = Blocks.NETHERRACK.getBlockData();
+                                        iblockdata1 = Blocks.NETHERRACK.getBlockData();
+                                        if (flag1) {
+                                            iblockdata = Blocks.GRAVEL.getBlockData();
+                                            iblockdata1 = Blocks.NETHERRACK.getBlockData();
+                                        }
+
+                                        if (flag) {
+                                            iblockdata = Blocks.SOUL_SAND.getBlockData();
+                                            iblockdata1 = Blocks.SOUL_SAND.getBlockData();
+                                        }
+                                    }
+
+                                    if (l1 < k && (iblockdata == null || iblockdata.getBlock().getMaterial() == Material.AIR)) {
+                                        iblockdata = Blocks.LAVA.getBlockData();
+                                    }
+
+                                    k1 = j1;
+                                    if (l1 >= k - 1) {
+                                        chunksnapshot.a(i1, l1, l, iblockdata);
+                                    } else {
+                                        chunksnapshot.a(i1, l1, l, iblockdata1);
+                                    }
+                                } else if (k1 > 0) {
+                                    --k1;
+                                    chunksnapshot.a(i1, l1, l, iblockdata1);
+                                }
+                            }
+                        } else {
+                            k1 = -1;
+                        }
+                    } else {
+                        chunksnapshot.a(i1, l1, l, Blocks.BEDROCK.getBlockData());
+                    }
+                }
+            }
+        }
+
+    }
+
+    public Chunk getOrCreateChunk(int i, int j) {
+        this.j.setSeed((long) i * 341873128712L + (long) j * 132897987541L);
+        ChunkSnapshot chunksnapshot = new ChunkSnapshot();
+
+        this.a(i, j, chunksnapshot);
+        this.b(i, j, chunksnapshot);
+        this.C.a(this, this.h, i, j, chunksnapshot);
+        if (this.i) {
+            this.B.a(this, this.h, i, j, chunksnapshot);
+        }
+
+        Chunk chunk = new Chunk(this.h, chunksnapshot, i, j);
+        BiomeBase[] abiomebase = this.h.getWorldChunkManager().getBiomeBlock((BiomeBase[]) null, i * 16, j * 16, 16, 16);
+        byte[] abyte = chunk.getBiomeIndex();
+
+        for (int k = 0; k < abyte.length; ++k) {
+            abyte[k] = (byte) abiomebase[k].id;
+        }
+
+        chunk.l();
+        return chunk;
+    }
+
+    private double[] a(double[] adouble, int i, int j, int k, int l, int i1, int j1) {
+        if (adouble == null) {
+            adouble = new double[l * i1 * j1];
+        }
+
+        double d0 = 684.412D;
+        double d1 = 2053.236D;
+
+        this.f = this.a.a(this.f, i, j, k, l, 1, j1, 1.0D, 0.0D, 1.0D);
+        this.g = this.b.a(this.g, i, j, k, l, 1, j1, 100.0D, 0.0D, 100.0D);
+        this.c = this.q.a(this.c, i, j, k, l, i1, j1, d0 / 80.0D, d1 / 60.0D, d0 / 80.0D);
+        this.d = this.o.a(this.d, i, j, k, l, i1, j1, d0, d1, d0);
+        this.e = this.p.a(this.e, i, j, k, l, i1, j1, d0, d1, d0);
+        int k1 = 0;
+        double[] adouble1 = new double[i1];
+
+        int l1;
+
+        for (l1 = 0; l1 < i1; ++l1) {
+            adouble1[l1] = Math.cos((double) l1 * 3.141592653589793D * 6.0D / (double) i1) * 2.0D;
+            double d2 = (double) l1;
+
+            if (l1 > i1 / 2) {
+                d2 = (double) (i1 - 1 - l1);
+            }
+
+            if (d2 < 4.0D) {
+                d2 = 4.0D - d2;
+                adouble1[l1] -= d2 * d2 * d2 * 10.0D;
+            }
+        }
+
+        for (l1 = 0; l1 < l; ++l1) {
+            for (int i2 = 0; i2 < j1; ++i2) {
+                double d3 = 0.0D;
+
+                for (int j2 = 0; j2 < i1; ++j2) {
+                    double d4 = 0.0D;
+                    double d5 = adouble1[j2];
+                    double d6 = this.d[k1] / 512.0D;
+                    double d7 = this.e[k1] / 512.0D;
+                    double d8 = (this.c[k1] / 10.0D + 1.0D) / 2.0D;
+
+                    if (d8 < 0.0D) {
+                        d4 = d6;
+                    } else if (d8 > 1.0D) {
+                        d4 = d7;
+                    } else {
+                        d4 = d6 + (d7 - d6) * d8;
+                    }
+
+                    d4 -= d5;
+                    double d9;
+
+                    if (j2 > i1 - 4) {
+                        d9 = (double) ((float) (j2 - (i1 - 4)) / 3.0F);
+                        d4 = d4 * (1.0D - d9) + -10.0D * d9;
+                    }
+
+                    if ((double) j2 < d3) {
+                        d9 = (d3 - (double) j2) / 4.0D;
+                        d9 = MathHelper.a(d9, 0.0D, 1.0D);
+                        d4 = d4 * (1.0D - d9) + -10.0D * d9;
+                    }
+
+                    adouble[k1] = d4;
+                    ++k1;
+                }
+            }
+        }
+
+        return adouble;
+    }
+
+    public boolean isChunkLoaded(int i, int j) {
+        return true;
+    }
+
+    public void getChunkAt(IChunkProvider ichunkprovider, int i, int j) {
+        BlockFalling.instaFall = true;
+        BlockPosition blockposition = new BlockPosition(i * 16, 0, j * 16);
+        ChunkCoordIntPair chunkcoordintpair = new ChunkCoordIntPair(i, j);
+
+        this.B.a(this.h, this.j, chunkcoordintpair);
+
+        int k;
+
+        for (k = 0; k < 8; ++k) {
+            this.y.generate(this.h, this.j, blockposition.a(this.j.nextInt(16) + 8, this.j.nextInt(120) + 4, this.j.nextInt(16) + 8));
+        }
+
+        for (k = 0; k < this.j.nextInt(this.j.nextInt(10) + 1) + 1; ++k) {
+            this.t.generate(this.h, this.j, blockposition.a(this.j.nextInt(16) + 8, this.j.nextInt(120) + 4, this.j.nextInt(16) + 8));
+        }
+
+        for (k = 0; k < this.j.nextInt(this.j.nextInt(10) + 1); ++k) {
+            this.u.generate(this.h, this.j, blockposition.a(this.j.nextInt(16) + 8, this.j.nextInt(120) + 4, this.j.nextInt(16) + 8));
+        }
+
+        for (k = 0; k < 10; ++k) {
+            this.v.generate(this.h, this.j, blockposition.a(this.j.nextInt(16) + 8, this.j.nextInt(128), this.j.nextInt(16) + 8));
+        }
+
+        if (this.j.nextBoolean()) {
+            this.z.generate(this.h, this.j, blockposition.a(this.j.nextInt(16) + 8, this.j.nextInt(128), this.j.nextInt(16) + 8));
+        }
+
+        if (this.j.nextBoolean()) {
+            this.A.generate(this.h, this.j, blockposition.a(this.j.nextInt(16) + 8, this.j.nextInt(128), this.j.nextInt(16) + 8));
+        }
+
+        for (k = 0; k < 16; ++k) {
+            this.w.generate(this.h, this.j, blockposition.a(this.j.nextInt(16), this.j.nextInt(108) + 10, this.j.nextInt(16)));
+        }
+
+        for (k = 0; k < 16; ++k) {
+            this.x.generate(this.h, this.j, blockposition.a(this.j.nextInt(16), this.j.nextInt(108) + 10, this.j.nextInt(16)));
+        }
+
+        BlockFalling.instaFall = false;
+    }
+
+    public boolean a(IChunkProvider ichunkprovider, Chunk chunk, int i, int j) {
+        return false;
+    }
+
+    public boolean saveChunks(boolean flag, IProgressUpdate iprogressupdate) {
+        return true;
+    }
+
+    public void c() {}
+
+    public boolean unloadChunks() {
+        return false;
+    }
+
+    public boolean canSave() {
+        return true;
+    }
+
+    public String getName() {
+        return "HellRandomLevelSource";
+    }
+
+    public List<BiomeBase.BiomeMeta> getMobsFor(EnumCreatureType enumcreaturetype, BlockPosition blockposition) {
+        if (enumcreaturetype == EnumCreatureType.MONSTER) {
+            if (this.B.b(blockposition)) {
+                return this.B.b();
+            }
+
+            if (this.B.a(this.h, blockposition) && this.h.getType(blockposition.down()).getBlock() == Blocks.NETHER_BRICK) {
+                return this.B.b();
+            }
+        }
+
+        BiomeBase biomebase = this.h.getBiome(blockposition);
+
+        return biomebase.getMobs(enumcreaturetype);
+    }
+
+    public BlockPosition findNearestMapFeature(World world, String s, BlockPosition blockposition) {
+        return null;
+    }
+
+    public int getLoadedChunks() {
+        return 0;
+    }
+
+    public void recreateStructures(Chunk chunk, int i, int j) {
+        this.B.a(this, this.h, i, j, (ChunkSnapshot) null);
+    }
+
+    public Chunk getChunkAt(BlockPosition blockposition) {
+        return this.getOrCreateChunk(blockposition.getX() >> 4, blockposition.getZ() >> 4);
+    }
+}
diff --git a/src/main/java/net/minecraft/server/ItemBlock.java b/src/main/java/net/minecraft/server/ItemBlock.java
new file mode 100644
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
--- /dev/null
+++ b/src/main/java/net/minecraft/server/ItemBlock.java
@@ -0,0 +0,0 @@
+package net.minecraft.server;
+
+public class ItemBlock extends Item {
+
+    protected final Block a;
+
+    public ItemBlock(Block block) {
+        this.a = block;
+    }
+
+    public ItemBlock b(String s) {
+        super.c(s);
+        return this;
+    }
+
+    public boolean interactWith(ItemStack itemstack, EntityHuman entityhuman, World world, BlockPosition blockposition, EnumDirection enumdirection, float f, float f1, float f2) {
+        IBlockData iblockdata = world.getType(blockposition);
+        Block block = iblockdata.getBlock();
+
+        if (!block.a(world, blockposition)) {
+            blockposition = blockposition.shift(enumdirection);
+        }
+
+        if (itemstack.count == 0) {
+            return false;
+        } else if (!entityhuman.a(blockposition, enumdirection, itemstack)) {
+            return false;
+        } else if (world.a(this.a, blockposition, false, enumdirection, (Entity) null, itemstack)) {
+            int i = this.filterData(itemstack.getData());
+            IBlockData iblockdata1 = this.a.getPlacedState(world, blockposition, enumdirection, f, f1, f2, i, entityhuman);
+
+            if (world.setTypeAndData(blockposition, iblockdata1, 3)) {
+                iblockdata1 = world.getType(blockposition);
+                if (iblockdata1.getBlock() == this.a) {
+                    a(world, entityhuman, blockposition, itemstack);
+                    this.a.postPlace(world, blockposition, iblockdata1, entityhuman, itemstack);
+                }
+
+                world.makeSound((double) ((float) blockposition.getX() + 0.5F), (double) ((float) blockposition.getY() + 0.5F), (double) ((float) blockposition.getZ() + 0.5F), this.a.stepSound.getPlaceSound(), (this.a.stepSound.getVolume1() + 1.0F) / 2.0F, this.a.stepSound.getVolume2() * 0.8F);
+                --itemstack.count;
+            }
+
+            return true;
+        } else {
+            return false;
+        }
+    }
+
+    public static boolean a(World world, EntityHuman entityhuman, BlockPosition blockposition, ItemStack itemstack) {
+        MinecraftServer minecraftserver = MinecraftServer.getServer();
+
+        if (minecraftserver == null) {
+            return false;
+        } else {
+            if (itemstack.hasTag() && itemstack.getTag().hasKeyOfType("BlockEntityTag", 10)) {
+                TileEntity tileentity = world.getTileEntity(blockposition);
+
+                if (tileentity != null) {
+                    if (!world.isClientSide && tileentity.F() && !minecraftserver.getPlayerList().isOp(entityhuman.getProfile())) {
+                        return false;
+                    }
+
+                    NBTTagCompound nbttagcompound = new NBTTagCompound();
+                    NBTTagCompound nbttagcompound1 = (NBTTagCompound) nbttagcompound.clone();
+
+                    tileentity.b(nbttagcompound);
+                    NBTTagCompound nbttagcompound2 = (NBTTagCompound) itemstack.getTag().get("BlockEntityTag");
+
+                    nbttagcompound.a(nbttagcompound2);
+                    nbttagcompound.setInt("x", blockposition.getX());
+                    nbttagcompound.setInt("y", blockposition.getY());
+                    nbttagcompound.setInt("z", blockposition.getZ());
+                    if (!nbttagcompound.equals(nbttagcompound1)) {
+                        tileentity.a(nbttagcompound);
+                        tileentity.update();
+                        return true;
+                    }
+                }
+            }
+
+            return false;
+        }
+    }
+
+    public String e_(ItemStack itemstack) {
+        return this.a.a();
+    }
+
+    public String getName() {
+        return this.a.a();
+    }
+
+    public Block d() {
+        return this.a;
+    }
+
+    public Item c(String s) {
+        return this.b(s);
+    }
+}
diff --git a/src/main/java/net/minecraft/server/ItemMilkBucket.java b/src/main/java/net/minecraft/server/ItemMilkBucket.java
new file mode 100644
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
--- /dev/null
+++ b/src/main/java/net/minecraft/server/ItemMilkBucket.java
@@ -0,0 +0,0 @@
+package net.minecraft.server;
+
+public class ItemMilkBucket extends Item {
+
+    public ItemMilkBucket() {
+        this.c(1);
+        this.a(CreativeModeTab.f);
+    }
+
+    public ItemStack b(ItemStack itemstack, World world, EntityHuman entityhuman) {
+        if (!entityhuman.abilities.canInstantlyBuild) {
+            --itemstack.count;
+        }
+
+        if (!world.isClientSide) {
+            entityhuman.removeAllEffects();
+        }
+
+        entityhuman.b(StatisticList.USE_ITEM_COUNT[Item.getId(this)]);
+        return itemstack.count <= 0 ? new ItemStack(Items.BUCKET) : itemstack;
+    }
+
+    public int d(ItemStack itemstack) {
+        return 32;
+    }
+
+    public EnumAnimation e(ItemStack itemstack) {
+        return EnumAnimation.DRINK;
+    }
+
+    public ItemStack a(ItemStack itemstack, World world, EntityHuman entityhuman) {
+        entityhuman.a(itemstack, this.d(itemstack));
+        return itemstack;
+    }
+}
diff --git a/src/main/java/net/minecraft/server/MobEffectAttackDamage.java b/src/main/java/net/minecraft/server/MobEffectAttackDamage.java
new file mode 100644
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
--- /dev/null
+++ b/src/main/java/net/minecraft/server/MobEffectAttackDamage.java
@@ -0,0 +0,0 @@
+package net.minecraft.server;
+
+public class MobEffectAttackDamage extends MobEffectList {
+
+    protected MobEffectAttackDamage(int i, MinecraftKey minecraftkey, boolean flag, int j) {
+        super(i, minecraftkey, flag, j);
+    }
+
+    public double a(int i, AttributeModifier attributemodifier) {
+        return this.id == MobEffectList.WEAKNESS.id ? (double) (-0.5F * (float) (i + 1)) : 1.3D * (double) (i + 1);
+    }
+}
diff --git a/src/main/java/net/minecraft/server/PathfinderGoalFloat.java b/src/main/java/net/minecraft/server/PathfinderGoalFloat.java
new file mode 100644
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
--- /dev/null
+++ b/src/main/java/net/minecraft/server/PathfinderGoalFloat.java
@@ -0,0 +0,0 @@
+package net.minecraft.server;
+
+public class PathfinderGoalFloat extends PathfinderGoal {
+
+    private EntityInsentient a;
+
+    public PathfinderGoalFloat(EntityInsentient entityinsentient) {
+        this.a = entityinsentient;
+        this.a(4);
+        ((Navigation) entityinsentient.getNavigation()).d(true);
+    }
+
+    public boolean a() {
+        return this.a.V() || this.a.ab();
+    }
+
+    public void e() {
+        if (this.a.bc().nextFloat() < 0.8F) {
+            this.a.getControllerJump().a();
+        }
+
+    }
+}
diff --git a/src/main/java/net/minecraft/server/TileEntityEnderChest.java b/src/main/java/net/minecraft/server/TileEntityEnderChest.java
new file mode 100644
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
--- /dev/null
+++ b/src/main/java/net/minecraft/server/TileEntityEnderChest.java
@@ -0,0 +0,0 @@
+package net.minecraft.server;
+
+public class TileEntityEnderChest extends TileEntity implements IUpdatePlayerListBox {
+
+    public float a;
+    public float f;
+    public int g;
+    private int h;
+
+    public TileEntityEnderChest() {}
+
+    public void c() {
+        if (++this.h % 20 * 4 == 0) {
+            this.world.playBlockAction(this.position, Blocks.ENDER_CHEST, 1, this.g);
+        }
+
+        this.f = this.a;
+        int i = this.position.getX();
+        int j = this.position.getY();
+        int k = this.position.getZ();
+        float f = 0.1F;
+        double d0;
+
+        if (this.g > 0 && this.a == 0.0F) {
+            double d1 = (double) i + 0.5D;
+
+            d0 = (double) k + 0.5D;
+            this.world.makeSound(d1, (double) j + 0.5D, d0, "random.chestopen", 0.5F, this.world.random.nextFloat() * 0.1F + 0.9F);
+        }
+
+        if (this.g == 0 && this.a > 0.0F || this.g > 0 && this.a < 1.0F) {
+            float f1 = this.a;
+
+            if (this.g > 0) {
+                this.a += f;
+            } else {
+                this.a -= f;
+            }
+
+            if (this.a > 1.0F) {
+                this.a = 1.0F;
+            }
+
+            float f2 = 0.5F;
+
+            if (this.a < f2 && f1 >= f2) {
+                d0 = (double) i + 0.5D;
+                double d2 = (double) k + 0.5D;
+
+                this.world.makeSound(d0, (double) j + 0.5D, d2, "random.chestclosed", 0.5F, this.world.random.nextFloat() * 0.1F + 0.9F);
+            }
+
+            if (this.a < 0.0F) {
+                this.a = 0.0F;
+            }
+        }
+
+    }
+
+    public boolean c(int i, int j) {
+        if (i == 1) {
+            this.g = j;
+            return true;
+        } else {
+            return super.c(i, j);
+        }
+    }
+
+    public void y() {
+        this.E();
+        super.y();
+    }
+
+    public void b() {
+        ++this.g;
+        this.world.playBlockAction(this.position, Blocks.ENDER_CHEST, 1, this.g);
+    }
+
+    public void d() {
+        --this.g;
+        this.world.playBlockAction(this.position, Blocks.ENDER_CHEST, 1, this.g);
+    }
+
+    public boolean a(EntityHuman entityhuman) {
+        return this.world.getTileEntity(this.position) != this ? false : entityhuman.e((double) this.position.getX() + 0.5D, (double) this.position.getY() + 0.5D, (double) this.position.getZ() + 0.5D) <= 64.0D;
+    }
+}
diff --git a/src/main/java/net/minecraft/server/TileEntityLightDetector.java b/src/main/java/net/minecraft/server/TileEntityLightDetector.java
new file mode 100644
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
--- /dev/null
+++ b/src/main/java/net/minecraft/server/TileEntityLightDetector.java
@@ -0,0 +0,0 @@
+package net.minecraft.server;
+
+public class TileEntityLightDetector extends TileEntity implements IUpdatePlayerListBox {
+
+    public TileEntityLightDetector() {}
+
+    public void c() {
+        if (this.world != null && !this.world.isClientSide && this.world.getTime() % 20L == 0L) {
+            this.e = this.w();
+            if (this.e instanceof BlockDaylightDetector) {
+                ((BlockDaylightDetector) this.e).f(this.world, this.position);
+            }
+        }
+
+    }
+}
--