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papermc/CraftBukkit-Patches/0002-mc-dev-imports.patch
md_5 ce85ede2bb Optimize DataWatcher 
Use primitive orientated collections, as well as more effective copies across collections.
2013-12-13 11:45:53 +11:00

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From 2993d045a90bcfeae07f067426b3c7017cea19de Mon Sep 17 00:00:00 2001
From: md_5 <md_5@live.com.au>
Date: Sun, 1 Dec 2013 15:10:48 +1100
Subject: [PATCH] mc-dev imports
diff --git a/src/main/java/net/minecraft/server/BlockBrewingStand.java b/src/main/java/net/minecraft/server/BlockBrewingStand.java
new file mode 100644
index 0000000..3287d77
--- /dev/null
+++ b/src/main/java/net/minecraft/server/BlockBrewingStand.java
@@ -0,0 +1,109 @@
+package net.minecraft.server;
+
+import java.util.List;
+import java.util.Random;
+
+public class BlockBrewingStand extends BlockContainer {
+
+ private Random a = new Random();
+
+ public BlockBrewingStand() {
+ super(Material.ORE);
+ }
+
+ public boolean c() {
+ return false;
+ }
+
+ public int b() {
+ return 25;
+ }
+
+ public TileEntity a(World world, int i) {
+ return new TileEntityBrewingStand();
+ }
+
+ public boolean d() {
+ return false;
+ }
+
+ public void a(World world, int i, int j, int k, AxisAlignedBB axisalignedbb, List list, Entity entity) {
+ this.a(0.4375F, 0.0F, 0.4375F, 0.5625F, 0.875F, 0.5625F);
+ super.a(world, i, j, k, axisalignedbb, list, entity);
+ this.g();
+ super.a(world, i, j, k, axisalignedbb, list, entity);
+ }
+
+ public void g() {
+ this.a(0.0F, 0.0F, 0.0F, 1.0F, 0.125F, 1.0F);
+ }
+
+ public boolean interact(World world, int i, int j, int k, EntityHuman entityhuman, int l, float f, float f1, float f2) {
+ if (world.isStatic) {
+ return true;
+ } else {
+ TileEntityBrewingStand tileentitybrewingstand = (TileEntityBrewingStand) world.getTileEntity(i, j, k);
+
+ if (tileentitybrewingstand != null) {
+ entityhuman.openBrewingStand(tileentitybrewingstand);
+ }
+
+ return true;
+ }
+ }
+
+ public void postPlace(World world, int i, int j, int k, EntityLiving entityliving, ItemStack itemstack) {
+ if (itemstack.hasName()) {
+ ((TileEntityBrewingStand) world.getTileEntity(i, j, k)).a(itemstack.getName());
+ }
+ }
+
+ public void remove(World world, int i, int j, int k, Block block, int l) {
+ TileEntity tileentity = world.getTileEntity(i, j, k);
+
+ if (tileentity instanceof TileEntityBrewingStand) {
+ TileEntityBrewingStand tileentitybrewingstand = (TileEntityBrewingStand) tileentity;
+
+ for (int i1 = 0; i1 < tileentitybrewingstand.getSize(); ++i1) {
+ ItemStack itemstack = tileentitybrewingstand.getItem(i1);
+
+ if (itemstack != null) {
+ float f = this.a.nextFloat() * 0.8F + 0.1F;
+ float f1 = this.a.nextFloat() * 0.8F + 0.1F;
+ float f2 = this.a.nextFloat() * 0.8F + 0.1F;
+
+ while (itemstack.count > 0) {
+ int j1 = this.a.nextInt(21) + 10;
+
+ if (j1 > itemstack.count) {
+ j1 = itemstack.count;
+ }
+
+ itemstack.count -= j1;
+ EntityItem entityitem = new EntityItem(world, (double) ((float) i + f), (double) ((float) j + f1), (double) ((float) k + f2), new ItemStack(itemstack.getItem(), j1, itemstack.getData()));
+ float f3 = 0.05F;
+
+ entityitem.motX = (double) ((float) this.a.nextGaussian() * f3);
+ entityitem.motY = (double) ((float) this.a.nextGaussian() * f3 + 0.2F);
+ entityitem.motZ = (double) ((float) this.a.nextGaussian() * f3);
+ world.addEntity(entityitem);
+ }
+ }
+ }
+ }
+
+ super.remove(world, i, j, k, block, l);
+ }
+
+ public Item getDropType(int i, Random random, int j) {
+ return Items.BREWING_STAND;
+ }
+
+ public boolean M() {
+ return true;
+ }
+
+ public int g(World world, int i, int j, int k, int l) {
+ return Container.b((IInventory) world.getTileEntity(i, j, k));
+ }
+}
diff --git a/src/main/java/net/minecraft/server/BlockFlowerPot.java b/src/main/java/net/minecraft/server/BlockFlowerPot.java
new file mode 100644
index 0000000..ef909f7
--- /dev/null
+++ b/src/main/java/net/minecraft/server/BlockFlowerPot.java
@@ -0,0 +1,195 @@
+package net.minecraft.server;
+
+import java.util.Random;
+
+public class BlockFlowerPot extends BlockContainer {
+
+ public BlockFlowerPot() {
+ super(Material.ORIENTABLE);
+ this.g();
+ }
+
+ public void g() {
+ float f = 0.375F;
+ float f1 = f / 2.0F;
+
+ this.a(0.5F - f1, 0.0F, 0.5F - f1, 0.5F + f1, f, 0.5F + f1);
+ }
+
+ public boolean c() {
+ return false;
+ }
+
+ public int b() {
+ return 33;
+ }
+
+ public boolean d() {
+ return false;
+ }
+
+ public boolean interact(World world, int i, int j, int k, EntityHuman entityhuman, int l, float f, float f1, float f2) {
+ ItemStack itemstack = entityhuman.inventory.getItemInHand();
+
+ if (itemstack != null && itemstack.getItem() instanceof ItemBlock) {
+ if (world.getData(i, j, k) != 0) {
+ return false;
+ } else {
+ TileEntityFlowerPot tileentityflowerpot = this.e(world, i, j, k);
+
+ if (tileentityflowerpot != null) {
+ Block block = Block.a(itemstack.getItem());
+
+ if (!this.a(block, itemstack.getData())) {
+ return false;
+ } else {
+ tileentityflowerpot.a(itemstack.getItem(), itemstack.getData());
+ tileentityflowerpot.update();
+ if (!world.setData(i, j, k, itemstack.getData(), 2)) {
+ world.notify(i, j, k);
+ }
+
+ if (!entityhuman.abilities.canInstantlyBuild && --itemstack.count <= 0) {
+ entityhuman.inventory.setItem(entityhuman.inventory.itemInHandIndex, (ItemStack) null);
+ }
+
+ return true;
+ }
+ } else {
+ return false;
+ }
+ }
+ } else {
+ return false;
+ }
+ }
+
+ private boolean a(Block block, int i) {
+ return block != Blocks.YELLOW_FLOWER && block != Blocks.RED_ROSE && block != Blocks.CACTUS && block != Blocks.BROWN_MUSHROOM && block != Blocks.RED_MUSHROOM && block != Blocks.SAPLING && block != Blocks.DEAD_BUSH ? block == Blocks.LONG_GRASS && i == 2 : true;
+ }
+
+ public int getDropData(World world, int i, int j, int k) {
+ TileEntityFlowerPot tileentityflowerpot = this.e(world, i, j, k);
+
+ return tileentityflowerpot != null && tileentityflowerpot.a() != null ? tileentityflowerpot.b() : 0;
+ }
+
+ public boolean canPlace(World world, int i, int j, int k) {
+ return super.canPlace(world, i, j, k) && World.a((IBlockAccess) world, i, j - 1, k);
+ }
+
+ public void doPhysics(World world, int i, int j, int k, Block block) {
+ if (!World.a((IBlockAccess) world, i, j - 1, k)) {
+ this.b(world, i, j, k, world.getData(i, j, k), 0);
+ world.setAir(i, j, k);
+ }
+ }
+
+ public void dropNaturally(World world, int i, int j, int k, int l, float f, int i1) {
+ super.dropNaturally(world, i, j, k, l, f, i1);
+ TileEntityFlowerPot tileentityflowerpot = this.e(world, i, j, k);
+
+ if (tileentityflowerpot != null && tileentityflowerpot.a() != null) {
+ this.a(world, i, j, k, new ItemStack(tileentityflowerpot.a(), 1, tileentityflowerpot.b()));
+ }
+ }
+
+ public void remove(World world, int i, int j, int k, Block block, int l) {
+ TileEntityFlowerPot tileentityflowerpot = this.e(world, i, j, k);
+
+ if (tileentityflowerpot != null && tileentityflowerpot.a() != null) {
+ this.a(world, i, j, k, new ItemStack(tileentityflowerpot.a(), 1, tileentityflowerpot.b()));
+ }
+
+ super.remove(world, i, j, k, block, l);
+ }
+
+ public void a(World world, int i, int j, int k, int l, EntityHuman entityhuman) {
+ super.a(world, i, j, k, l, entityhuman);
+ if (entityhuman.abilities.canInstantlyBuild) {
+ TileEntityFlowerPot tileentityflowerpot = this.e(world, i, j, k);
+
+ if (tileentityflowerpot != null) {
+ tileentityflowerpot.a(Item.d(0), 0);
+ }
+ }
+ }
+
+ public Item getDropType(int i, Random random, int j) {
+ return Items.FLOWER_POT;
+ }
+
+ private TileEntityFlowerPot e(World world, int i, int j, int k) {
+ TileEntity tileentity = world.getTileEntity(i, j, k);
+
+ return tileentity != null && tileentity instanceof TileEntityFlowerPot ? (TileEntityFlowerPot) tileentity : null;
+ }
+
+ public TileEntity a(World world, int i) {
+ Object object = null;
+ byte b0 = 0;
+
+ switch (i) {
+ case 1:
+ object = Blocks.RED_ROSE;
+ b0 = 0;
+ break;
+
+ case 2:
+ object = Blocks.YELLOW_FLOWER;
+ break;
+
+ case 3:
+ object = Blocks.SAPLING;
+ b0 = 0;
+ break;
+
+ case 4:
+ object = Blocks.SAPLING;
+ b0 = 1;
+ break;
+
+ case 5:
+ object = Blocks.SAPLING;
+ b0 = 2;
+ break;
+
+ case 6:
+ object = Blocks.SAPLING;
+ b0 = 3;
+ break;
+
+ case 7:
+ object = Blocks.RED_MUSHROOM;
+ break;
+
+ case 8:
+ object = Blocks.BROWN_MUSHROOM;
+ break;
+
+ case 9:
+ object = Blocks.CACTUS;
+ break;
+
+ case 10:
+ object = Blocks.DEAD_BUSH;
+ break;
+
+ case 11:
+ object = Blocks.LONG_GRASS;
+ b0 = 2;
+ break;
+
+ case 12:
+ object = Blocks.SAPLING;
+ b0 = 4;
+ break;
+
+ case 13:
+ object = Blocks.SAPLING;
+ b0 = 5;
+ }
+
+ return new TileEntityFlowerPot(Item.getItemOf((Block) object), b0);
+ }
+}
diff --git a/src/main/java/net/minecraft/server/BlockTNT.java b/src/main/java/net/minecraft/server/BlockTNT.java
new file mode 100644
index 0000000..6d5090b
--- /dev/null
+++ b/src/main/java/net/minecraft/server/BlockTNT.java
@@ -0,0 +1,80 @@
+package net.minecraft.server;
+
+import java.util.Random;
+
+public class BlockTNT extends Block {
+
+ public BlockTNT() {
+ super(Material.TNT);
+ this.a(CreativeModeTab.d);
+ }
+
+ public void onPlace(World world, int i, int j, int k) {
+ super.onPlace(world, i, j, k);
+ if (world.isBlockIndirectlyPowered(i, j, k)) {
+ this.postBreak(world, i, j, k, 1);
+ world.setAir(i, j, k);
+ }
+ }
+
+ public void doPhysics(World world, int i, int j, int k, Block block) {
+ if (world.isBlockIndirectlyPowered(i, j, k)) {
+ this.postBreak(world, i, j, k, 1);
+ world.setAir(i, j, k);
+ }
+ }
+
+ public int a(Random random) {
+ return 1;
+ }
+
+ public void wasExploded(World world, int i, int j, int k, Explosion explosion) {
+ if (!world.isStatic) {
+ EntityTNTPrimed entitytntprimed = new EntityTNTPrimed(world, (double) ((float) i + 0.5F), (double) ((float) j + 0.5F), (double) ((float) k + 0.5F), explosion.c());
+
+ entitytntprimed.fuseTicks = world.random.nextInt(entitytntprimed.fuseTicks / 4) + entitytntprimed.fuseTicks / 8;
+ world.addEntity(entitytntprimed);
+ }
+ }
+
+ public void postBreak(World world, int i, int j, int k, int l) {
+ this.a(world, i, j, k, l, (EntityLiving) null);
+ }
+
+ public void a(World world, int i, int j, int k, int l, EntityLiving entityliving) {
+ if (!world.isStatic) {
+ if ((l & 1) == 1) {
+ EntityTNTPrimed entitytntprimed = new EntityTNTPrimed(world, (double) ((float) i + 0.5F), (double) ((float) j + 0.5F), (double) ((float) k + 0.5F), entityliving);
+
+ world.addEntity(entitytntprimed);
+ world.makeSound(entitytntprimed, "game.tnt.primed", 1.0F, 1.0F);
+ }
+ }
+ }
+
+ public boolean interact(World world, int i, int j, int k, EntityHuman entityhuman, int l, float f, float f1, float f2) {
+ if (entityhuman.bD() != null && entityhuman.bD().getItem() == Items.FLINT_AND_STEEL) {
+ this.a(world, i, j, k, 1, entityhuman);
+ world.setAir(i, j, k);
+ entityhuman.bD().damage(1, entityhuman);
+ return true;
+ } else {
+ return super.interact(world, i, j, k, entityhuman, l, f, f1, f2);
+ }
+ }
+
+ public void a(World world, int i, int j, int k, Entity entity) {
+ if (entity instanceof EntityArrow && !world.isStatic) {
+ EntityArrow entityarrow = (EntityArrow) entity;
+
+ if (entityarrow.isBurning()) {
+ this.a(world, i, j, k, 1, entityarrow.shooter instanceof EntityLiving ? (EntityLiving) entityarrow.shooter : null);
+ world.setAir(i, j, k);
+ }
+ }
+ }
+
+ public boolean a(Explosion explosion) {
+ return false;
+ }
+}
diff --git a/src/main/java/net/minecraft/server/DataWatcher.java b/src/main/java/net/minecraft/server/DataWatcher.java
new file mode 100644
index 0000000..90a2a80
--- /dev/null
+++ b/src/main/java/net/minecraft/server/DataWatcher.java
@@ -0,0 +1,306 @@
+package net.minecraft.server;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.List;
+import java.util.Map;
+import java.util.concurrent.locks.ReadWriteLock;
+import java.util.concurrent.locks.ReentrantReadWriteLock;
+
+import net.minecraft.util.org.apache.commons.lang3.ObjectUtils;
+
+public class DataWatcher {
+
+ private final Entity a;
+ private boolean b = true;
+ private static final HashMap c = new HashMap();
+ private final Map d = new HashMap();
+ private boolean e;
+ private ReadWriteLock f = new ReentrantReadWriteLock();
+
+ public DataWatcher(Entity entity) {
+ this.a = entity;
+ }
+
+ public void a(int i, Object object) {
+ Integer integer = (Integer) c.get(object.getClass());
+
+ if (integer == null) {
+ throw new IllegalArgumentException("Unknown data type: " + object.getClass());
+ } else if (i > 31) {
+ throw new IllegalArgumentException("Data value id is too big with " + i + "! (Max is " + 31 + ")");
+ } else if (this.d.containsKey(Integer.valueOf(i))) {
+ throw new IllegalArgumentException("Duplicate id value for " + i + "!");
+ } else {
+ WatchableObject watchableobject = new WatchableObject(integer.intValue(), i, object);
+
+ this.f.writeLock().lock();
+ this.d.put(Integer.valueOf(i), watchableobject);
+ this.f.writeLock().unlock();
+ this.b = false;
+ }
+ }
+
+ public void a(int i, int j) {
+ WatchableObject watchableobject = new WatchableObject(j, i, null);
+
+ this.f.writeLock().lock();
+ this.d.put(Integer.valueOf(i), watchableobject);
+ this.f.writeLock().unlock();
+ this.b = false;
+ }
+
+ public byte getByte(int i) {
+ return ((Byte) this.i(i).b()).byteValue();
+ }
+
+ public short getShort(int i) {
+ return ((Short) this.i(i).b()).shortValue();
+ }
+
+ public int getInt(int i) {
+ return ((Integer) this.i(i).b()).intValue();
+ }
+
+ public float getFloat(int i) {
+ return ((Float) this.i(i).b()).floatValue();
+ }
+
+ public String getString(int i) {
+ return (String) this.i(i).b();
+ }
+
+ public ItemStack getItemStack(int i) {
+ return (ItemStack) this.i(i).b();
+ }
+
+ private WatchableObject i(int i) {
+ this.f.readLock().lock();
+
+ WatchableObject watchableobject;
+
+ try {
+ watchableobject = (WatchableObject) this.d.get(Integer.valueOf(i));
+ } catch (Throwable throwable) {
+ CrashReport crashreport = CrashReport.a(throwable, "Getting synched entity data");
+ CrashReportSystemDetails crashreportsystemdetails = crashreport.a("Synched entity data");
+
+ crashreportsystemdetails.a("Data ID", Integer.valueOf(i));
+ throw new ReportedException(crashreport);
+ }
+
+ this.f.readLock().unlock();
+ return watchableobject;
+ }
+
+ public void watch(int i, Object object) {
+ WatchableObject watchableobject = this.i(i);
+
+ if (ObjectUtils.notEqual(object, watchableobject.b())) {
+ watchableobject.a(object);
+ this.a.i(i);
+ watchableobject.a(true);
+ this.e = true;
+ }
+ }
+
+ public void h(int i) {
+ WatchableObject.a(this.i(i), true);
+ this.e = true;
+ }
+
+ public boolean a() {
+ return this.e;
+ }
+
+ public static void a(List list, PacketDataSerializer packetdataserializer) {
+ if (list != null) {
+ Iterator iterator = list.iterator();
+
+ while (iterator.hasNext()) {
+ WatchableObject watchableobject = (WatchableObject) iterator.next();
+
+ a(packetdataserializer, watchableobject);
+ }
+ }
+
+ packetdataserializer.writeByte(127);
+ }
+
+ public List b() {
+ ArrayList arraylist = null;
+
+ if (this.e) {
+ this.f.readLock().lock();
+ Iterator iterator = this.d.values().iterator();
+
+ while (iterator.hasNext()) {
+ WatchableObject watchableobject = (WatchableObject) iterator.next();
+
+ if (watchableobject.d()) {
+ watchableobject.a(false);
+ if (arraylist == null) {
+ arraylist = new ArrayList();
+ }
+
+ arraylist.add(watchableobject);
+ }
+ }
+
+ this.f.readLock().unlock();
+ }
+
+ this.e = false;
+ return arraylist;
+ }
+
+ public void a(PacketDataSerializer packetdataserializer) {
+ this.f.readLock().lock();
+ Iterator iterator = this.d.values().iterator();
+
+ while (iterator.hasNext()) {
+ WatchableObject watchableobject = (WatchableObject) iterator.next();
+
+ a(packetdataserializer, watchableobject);
+ }
+
+ this.f.readLock().unlock();
+ packetdataserializer.writeByte(127);
+ }
+
+ public List c() {
+ ArrayList arraylist = null;
+
+ this.f.readLock().lock();
+
+ WatchableObject watchableobject;
+
+ for (Iterator iterator = this.d.values().iterator(); iterator.hasNext(); arraylist.add(watchableobject)) {
+ watchableobject = (WatchableObject) iterator.next();
+ if (arraylist == null) {
+ arraylist = new ArrayList();
+ }
+ }
+
+ this.f.readLock().unlock();
+ return arraylist;
+ }
+
+ private static void a(PacketDataSerializer packetdataserializer, WatchableObject watchableobject) {
+ int i = (watchableobject.c() << 5 | watchableobject.a() & 31) & 255;
+
+ packetdataserializer.writeByte(i);
+ switch (watchableobject.c()) {
+ case 0:
+ packetdataserializer.writeByte(((Byte) watchableobject.b()).byteValue());
+ break;
+
+ case 1:
+ packetdataserializer.writeShort(((Short) watchableobject.b()).shortValue());
+ break;
+
+ case 2:
+ packetdataserializer.writeInt(((Integer) watchableobject.b()).intValue());
+ break;
+
+ case 3:
+ packetdataserializer.writeFloat(((Float) watchableobject.b()).floatValue());
+ break;
+
+ case 4:
+ try {
+ packetdataserializer.a((String) watchableobject.b());
+ } catch (java.io.IOException ex) {
+ throw new RuntimeException(ex);
+ }
+ break;
+
+ case 5:
+ ItemStack itemstack = (ItemStack) watchableobject.b();
+
+ packetdataserializer.a(itemstack);
+ break;
+
+ case 6:
+ ChunkCoordinates chunkcoordinates = (ChunkCoordinates) watchableobject.b();
+
+ packetdataserializer.writeInt(chunkcoordinates.x);
+ packetdataserializer.writeInt(chunkcoordinates.y);
+ packetdataserializer.writeInt(chunkcoordinates.z);
+ }
+ }
+
+ public static List b(PacketDataSerializer packetdataserializer) {
+ ArrayList arraylist = null;
+
+ for (byte b0 = packetdataserializer.readByte(); b0 != 127; b0 = packetdataserializer.readByte()) {
+ if (arraylist == null) {
+ arraylist = new ArrayList();
+ }
+
+ int i = (b0 & 224) >> 5;
+ int j = b0 & 31;
+ WatchableObject watchableobject = null;
+
+ switch (i) {
+ case 0:
+ watchableobject = new WatchableObject(i, j, Byte.valueOf(packetdataserializer.readByte()));
+ break;
+
+ case 1:
+ watchableobject = new WatchableObject(i, j, Short.valueOf(packetdataserializer.readShort()));
+ break;
+
+ case 2:
+ watchableobject = new WatchableObject(i, j, Integer.valueOf(packetdataserializer.readInt()));
+ break;
+
+ case 3:
+ watchableobject = new WatchableObject(i, j, Float.valueOf(packetdataserializer.readFloat()));
+ break;
+
+ case 4:
+ try {
+ watchableobject = new WatchableObject(i, j, packetdataserializer.c(32767));
+ } catch (java.io.IOException ex) {
+ throw new RuntimeException(ex);
+ }
+ break;
+
+ case 5:
+ watchableobject = new WatchableObject(i, j, packetdataserializer.c());
+ break;
+
+ case 6:
+ int k = packetdataserializer.readInt();
+ int l = packetdataserializer.readInt();
+ int i1 = packetdataserializer.readInt();
+
+ watchableobject = new WatchableObject(i, j, new ChunkCoordinates(k, l, i1));
+ }
+
+ arraylist.add(watchableobject);
+ }
+
+ return arraylist;
+ }
+
+ public boolean d() {
+ return this.b;
+ }
+
+ public void e() {
+ this.e = false;
+ }
+
+ static {
+ c.put(Byte.class, Integer.valueOf(0));
+ c.put(Short.class, Integer.valueOf(1));
+ c.put(Integer.class, Integer.valueOf(2));
+ c.put(Float.class, Integer.valueOf(3));
+ c.put(String.class, Integer.valueOf(4));
+ c.put(ItemStack.class, Integer.valueOf(5));
+ c.put(ChunkCoordinates.class, Integer.valueOf(6));
+ }
+}
diff --git a/src/main/java/net/minecraft/server/NextTickListEntry.java b/src/main/java/net/minecraft/server/NextTickListEntry.java
new file mode 100644
index 0000000..06934a1
--- /dev/null
+++ b/src/main/java/net/minecraft/server/NextTickListEntry.java
@@ -0,0 +1,60 @@
+package net.minecraft.server;
+
+public class NextTickListEntry implements Comparable {
+
+ private static long f;
+ private final Block g;
+ public int a;
+ public int b;
+ public int c;
+ public long d;
+ public int e;
+ private long h;
+
+ public NextTickListEntry(int i, int j, int k, Block block) {
+ this.h = (long) (f++);
+ this.a = i;
+ this.b = j;
+ this.c = k;
+ this.g = block;
+ }
+
+ public boolean equals(Object object) {
+ if (!(object instanceof NextTickListEntry)) {
+ return false;
+ } else {
+ NextTickListEntry nextticklistentry = (NextTickListEntry) object;
+
+ return this.a == nextticklistentry.a && this.b == nextticklistentry.b && this.c == nextticklistentry.c && Block.a(this.g, nextticklistentry.g);
+ }
+ }
+
+ public int hashCode() {
+ return (this.a * 1024 * 1024 + this.c * 1024 + this.b) * 256;
+ }
+
+ public NextTickListEntry a(long i) {
+ this.d = i;
+ return this;
+ }
+
+ public void a(int i) {
+ this.e = i;
+ }
+
+ public int compareTo(NextTickListEntry nextticklistentry) {
+ return this.d < nextticklistentry.d ? -1 : (this.d > nextticklistentry.d ? 1 : (this.e != nextticklistentry.e ? this.e - nextticklistentry.e : (this.h < nextticklistentry.h ? -1 : (this.h > nextticklistentry.h ? 1 : 0))));
+ }
+
+ public String toString() {
+ return Block.b(this.g) + ": (" + this.a + ", " + this.b + ", " + this.c + "), " + this.d + ", " + this.e + ", " + this.h;
+ }
+
+ public Block a() {
+ return this.g;
+ }
+
+ public int compareTo(Object object) {
+ return this.compareTo((NextTickListEntry) object);
+ }
+}
diff --git a/src/main/java/net/minecraft/server/NibbleArray.java b/src/main/java/net/minecraft/server/NibbleArray.java
new file mode 100644
index 0000000..5d75a54
--- /dev/null
+++ b/src/main/java/net/minecraft/server/NibbleArray.java
@@ -0,0 +1,40 @@
+package net.minecraft.server;
+
+public class NibbleArray {
+
+ public final byte[] a;
+ private final int b;
+ private final int c;
+
+ public NibbleArray(int i, int j) {
+ this.a = new byte[i >> 1];
+ this.b = j;
+ this.c = j + 4;
+ }
+
+ public NibbleArray(byte[] abyte, int i) {
+ this.a = abyte;
+ this.b = i;
+ this.c = i + 4;
+ }
+
+ public int a(int i, int j, int k) {
+ int l = j << this.c | k << this.b | i;
+ int i1 = l >> 1;
+ int j1 = l & 1;
+
+ return j1 == 0 ? this.a[i1] & 15 : this.a[i1] >> 4 & 15;
+ }
+
+ public void a(int i, int j, int k, int l) {
+ int i1 = j << this.c | k << this.b | i;
+ int j1 = i1 >> 1;
+ int k1 = i1 & 1;
+
+ if (k1 == 0) {
+ this.a[j1] = (byte) (this.a[j1] & 240 | l & 15);
+ } else {
+ this.a[j1] = (byte) (this.a[j1] & 15 | (l & 15) << 4);
+ }
+ }
+}
diff --git a/src/main/java/net/minecraft/server/OldChunkLoader.java b/src/main/java/net/minecraft/server/OldChunkLoader.java
new file mode 100644
index 0000000..fcb9912
--- /dev/null
+++ b/src/main/java/net/minecraft/server/OldChunkLoader.java
@@ -0,0 +1,120 @@
+package net.minecraft.server;
+
+public class OldChunkLoader {
+
+ public static OldChunk a(NBTTagCompound nbttagcompound) {
+ int i = nbttagcompound.getInt("xPos");
+ int j = nbttagcompound.getInt("zPos");
+ OldChunk oldchunk = new OldChunk(i, j);
+
+ oldchunk.g = nbttagcompound.getByteArray("Blocks");
+ oldchunk.f = new OldNibbleArray(nbttagcompound.getByteArray("Data"), 7);
+ oldchunk.e = new OldNibbleArray(nbttagcompound.getByteArray("SkyLight"), 7);
+ oldchunk.d = new OldNibbleArray(nbttagcompound.getByteArray("BlockLight"), 7);
+ oldchunk.c = nbttagcompound.getByteArray("HeightMap");
+ oldchunk.b = nbttagcompound.getBoolean("TerrainPopulated");
+ oldchunk.h = nbttagcompound.getList("Entities", 10);
+ oldchunk.i = nbttagcompound.getList("TileEntities", 10);
+ oldchunk.j = nbttagcompound.getList("TileTicks", 10);
+
+ try {
+ oldchunk.a = nbttagcompound.getLong("LastUpdate");
+ } catch (ClassCastException classcastexception) {
+ oldchunk.a = (long) nbttagcompound.getInt("LastUpdate");
+ }
+
+ return oldchunk;
+ }
+
+ public static void a(OldChunk oldchunk, NBTTagCompound nbttagcompound, WorldChunkManager worldchunkmanager) {
+ nbttagcompound.setInt("xPos", oldchunk.k);
+ nbttagcompound.setInt("zPos", oldchunk.l);
+ nbttagcompound.setLong("LastUpdate", oldchunk.a);
+ int[] aint = new int[oldchunk.c.length];
+
+ for (int i = 0; i < oldchunk.c.length; ++i) {
+ aint[i] = oldchunk.c[i];
+ }
+
+ nbttagcompound.setIntArray("HeightMap", aint);
+ nbttagcompound.setBoolean("TerrainPopulated", oldchunk.b);
+ NBTTagList nbttaglist = new NBTTagList();
+
+ int j;
+
+ for (int k = 0; k < 8; ++k) {
+ boolean flag = true;
+
+ for (j = 0; j < 16 && flag; ++j) {
+ int l = 0;
+
+ while (l < 16 && flag) {
+ int i1 = 0;
+
+ while (true) {
+ if (i1 < 16) {
+ int j1 = j << 11 | i1 << 7 | l + (k << 4);
+ byte b0 = oldchunk.g[j1];
+
+ if (b0 == 0) {
+ ++i1;
+ continue;
+ }
+
+ flag = false;
+ }
+
+ ++l;
+ break;
+ }
+ }
+ }
+
+ if (!flag) {
+ byte[] abyte = new byte[4096];
+ NibbleArray nibblearray = new NibbleArray(abyte.length, 4);
+ NibbleArray nibblearray1 = new NibbleArray(abyte.length, 4);
+ NibbleArray nibblearray2 = new NibbleArray(abyte.length, 4);
+
+ for (int k1 = 0; k1 < 16; ++k1) {
+ for (int l1 = 0; l1 < 16; ++l1) {
+ for (int i2 = 0; i2 < 16; ++i2) {
+ int j2 = k1 << 11 | i2 << 7 | l1 + (k << 4);
+ byte b1 = oldchunk.g[j2];
+
+ abyte[l1 << 8 | i2 << 4 | k1] = (byte) (b1 & 255);
+ nibblearray.a(k1, l1, i2, oldchunk.f.a(k1, l1 + (k << 4), i2));
+ nibblearray1.a(k1, l1, i2, oldchunk.e.a(k1, l1 + (k << 4), i2));
+ nibblearray2.a(k1, l1, i2, oldchunk.d.a(k1, l1 + (k << 4), i2));
+ }
+ }
+ }
+
+ NBTTagCompound nbttagcompound1 = new NBTTagCompound();
+
+ nbttagcompound1.setByte("Y", (byte) (k & 255));
+ nbttagcompound1.setByteArray("Blocks", abyte);
+ nbttagcompound1.setByteArray("Data", nibblearray.a);
+ nbttagcompound1.setByteArray("SkyLight", nibblearray1.a);
+ nbttagcompound1.setByteArray("BlockLight", nibblearray2.a);
+ nbttaglist.add(nbttagcompound1);
+ }
+ }
+
+ nbttagcompound.set("Sections", nbttaglist);
+ byte[] abyte1 = new byte[256];
+
+ for (int k2 = 0; k2 < 16; ++k2) {
+ for (j = 0; j < 16; ++j) {
+ abyte1[j << 4 | k2] = (byte) (worldchunkmanager.getBiome(oldchunk.k << 4 | k2, oldchunk.l << 4 | j).id & 255);
+ }
+ }
+
+ nbttagcompound.setByteArray("Biomes", abyte1);
+ nbttagcompound.set("Entities", oldchunk.h);
+ nbttagcompound.set("TileEntities", oldchunk.i);
+ if (oldchunk.j != null) {
+ nbttagcompound.set("TileTicks", oldchunk.j);
+ }
+ }
+}
diff --git a/src/main/java/net/minecraft/server/PacketPlayOutMapChunk.java b/src/main/java/net/minecraft/server/PacketPlayOutMapChunk.java
new file mode 100644
index 0000000..c7b799a
--- /dev/null
+++ b/src/main/java/net/minecraft/server/PacketPlayOutMapChunk.java
@@ -0,0 +1,190 @@
+package net.minecraft.server;
+
+import java.io.IOException;
+import java.util.zip.DataFormatException;
+import java.util.zip.Deflater;
+import java.util.zip.Inflater;
+
+public class PacketPlayOutMapChunk extends Packet {
+
+ private int a;
+ private int b;
+ private int c;
+ private int d;
+ private byte[] e;
+ private byte[] buffer;
+ private boolean inflatedBuffer;
+ private int size;
+ private static byte[] buildBuffer = new byte[196864];
+
+ public PacketPlayOutMapChunk() {}
+
+ public PacketPlayOutMapChunk(Chunk chunk, boolean flag, int i) {
+ this.a = chunk.locX;
+ this.b = chunk.locZ;
+ this.inflatedBuffer = flag;
+ ChunkMap chunkmap = a(chunk, flag, i);
+ Deflater deflater = new Deflater(-1);
+
+ this.d = chunkmap.c;
+ this.c = chunkmap.b;
+
+ try {
+ this.buffer = chunkmap.a;
+ deflater.setInput(chunkmap.a, 0, chunkmap.a.length);
+ deflater.finish();
+ this.e = new byte[chunkmap.a.length];
+ this.size = deflater.deflate(this.e);
+ } finally {
+ deflater.end();
+ }
+ }
+
+ public static int c() {
+ return 196864;
+ }
+
+ public void a(PacketDataSerializer packetdataserializer) throws IOException {
+ this.a = packetdataserializer.readInt();
+ this.b = packetdataserializer.readInt();
+ this.inflatedBuffer = packetdataserializer.readBoolean();
+ this.c = packetdataserializer.readShort();
+ this.d = packetdataserializer.readShort();
+ this.size = packetdataserializer.readInt();
+ if (buildBuffer.length < this.size) {
+ buildBuffer = new byte[this.size];
+ }
+
+ packetdataserializer.readBytes(buildBuffer, 0, this.size);
+ int i = 0;
+
+ int j;
+
+ for (j = 0; j < 16; ++j) {
+ i += this.c >> j & 1;
+ }
+
+ j = 12288 * i;
+ if (this.inflatedBuffer) {
+ j += 256;
+ }
+
+ this.buffer = new byte[j];
+ Inflater inflater = new Inflater();
+
+ inflater.setInput(buildBuffer, 0, this.size);
+
+ try {
+ inflater.inflate(this.buffer);
+ } catch (DataFormatException dataformatexception) {
+ throw new IOException("Bad compressed data format");
+ } finally {
+ inflater.end();
+ }
+ }
+
+ public void b(PacketDataSerializer packetdataserializer) {
+ packetdataserializer.writeInt(this.a);
+ packetdataserializer.writeInt(this.b);
+ packetdataserializer.writeBoolean(this.inflatedBuffer);
+ packetdataserializer.writeShort((short) (this.c & '\uffff'));
+ packetdataserializer.writeShort((short) (this.d & '\uffff'));
+ packetdataserializer.writeInt(this.size);
+ packetdataserializer.writeBytes(this.e, 0, this.size);
+ }
+
+ public void a(PacketPlayOutListener packetplayoutlistener) {
+ packetplayoutlistener.a(this);
+ }
+
+ public String b() {
+ return String.format("x=%d, z=%d, full=%b, sects=%d, add=%d, size=%d", new Object[] { Integer.valueOf(this.a), Integer.valueOf(this.b), Boolean.valueOf(this.inflatedBuffer), Integer.valueOf(this.c), Integer.valueOf(this.d), Integer.valueOf(this.size)});
+ }
+
+ public static ChunkMap a(Chunk chunk, boolean flag, int i) {
+ int j = 0;
+ ChunkSection[] achunksection = chunk.i();
+ int k = 0;
+ ChunkMap chunkmap = new ChunkMap();
+ byte[] abyte = buildBuffer;
+
+ if (flag) {
+ chunk.q = true;
+ }
+
+ int l;
+
+ for (l = 0; l < achunksection.length; ++l) {
+ if (achunksection[l] != null && (!flag || !achunksection[l].isEmpty()) && (i & 1 << l) != 0) {
+ chunkmap.b |= 1 << l;
+ if (achunksection[l].getExtendedIdArray() != null) {
+ chunkmap.c |= 1 << l;
+ ++k;
+ }
+ }
+ }
+
+ for (l = 0; l < achunksection.length; ++l) {
+ if (achunksection[l] != null && (!flag || !achunksection[l].isEmpty()) && (i & 1 << l) != 0) {
+ byte[] abyte1 = achunksection[l].getIdArray();
+
+ System.arraycopy(abyte1, 0, abyte, j, abyte1.length);
+ j += abyte1.length;
+ }
+ }
+
+ NibbleArray nibblearray;
+
+ for (l = 0; l < achunksection.length; ++l) {
+ if (achunksection[l] != null && (!flag || !achunksection[l].isEmpty()) && (i & 1 << l) != 0) {
+ nibblearray = achunksection[l].getDataArray();
+ System.arraycopy(nibblearray.a, 0, abyte, j, nibblearray.a.length);
+ j += nibblearray.a.length;
+ }
+ }
+
+ for (l = 0; l < achunksection.length; ++l) {
+ if (achunksection[l] != null && (!flag || !achunksection[l].isEmpty()) && (i & 1 << l) != 0) {
+ nibblearray = achunksection[l].getEmittedLightArray();
+ System.arraycopy(nibblearray.a, 0, abyte, j, nibblearray.a.length);
+ j += nibblearray.a.length;
+ }
+ }
+
+ if (!chunk.world.worldProvider.g) {
+ for (l = 0; l < achunksection.length; ++l) {
+ if (achunksection[l] != null && (!flag || !achunksection[l].isEmpty()) && (i & 1 << l) != 0) {
+ nibblearray = achunksection[l].getSkyLightArray();
+ System.arraycopy(nibblearray.a, 0, abyte, j, nibblearray.a.length);
+ j += nibblearray.a.length;
+ }
+ }
+ }
+
+ if (k > 0) {
+ for (l = 0; l < achunksection.length; ++l) {
+ if (achunksection[l] != null && (!flag || !achunksection[l].isEmpty()) && achunksection[l].getExtendedIdArray() != null && (i & 1 << l) != 0) {
+ nibblearray = achunksection[l].getExtendedIdArray();
+ System.arraycopy(nibblearray.a, 0, abyte, j, nibblearray.a.length);
+ j += nibblearray.a.length;
+ }
+ }
+ }
+
+ if (flag) {
+ byte[] abyte2 = chunk.m();
+
+ System.arraycopy(abyte2, 0, abyte, j, abyte2.length);
+ j += abyte2.length;
+ }
+
+ chunkmap.a = new byte[j];
+ System.arraycopy(abyte, 0, chunkmap.a, 0, j);
+ return chunkmap;
+ }
+
+ @Override
+ public void handle(PacketListener packetlistener) {
+ this.a((PacketPlayOutListener) packetlistener);
+ }
+}
diff --git a/src/main/java/net/minecraft/server/RegionFileCache.java b/src/main/java/net/minecraft/server/RegionFileCache.java
new file mode 100644
index 0000000..900ed68
--- /dev/null
+++ b/src/main/java/net/minecraft/server/RegionFileCache.java
@@ -0,0 +1,67 @@
+package net.minecraft.server;
+
+import java.io.DataInputStream;
+import java.io.DataOutputStream;
+import java.io.File;
+import java.io.IOException;
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.Map;
+
+public class RegionFileCache {
+
+ private static final Map a = new HashMap();
+
+ public static synchronized RegionFile a(File file1, int i, int j) {
+ File file2 = new File(file1, "region");
+ File file3 = new File(file2, "r." + (i >> 5) + "." + (j >> 5) + ".mca");
+ RegionFile regionfile = (RegionFile) a.get(file3);
+
+ if (regionfile != null) {
+ return regionfile;
+ } else {
+ if (!file2.exists()) {
+ file2.mkdirs();
+ }
+
+ if (a.size() >= 256) {
+ a();
+ }
+
+ RegionFile regionfile1 = new RegionFile(file3);
+
+ a.put(file3, regionfile1);
+ return regionfile1;
+ }
+ }
+
+ public static synchronized void a() {
+ Iterator iterator = a.values().iterator();
+
+ while (iterator.hasNext()) {
+ RegionFile regionfile = (RegionFile) iterator.next();
+
+ try {
+ if (regionfile != null) {
+ regionfile.c();
+ }
+ } catch (IOException ioexception) {
+ ioexception.printStackTrace();
+ }
+ }
+
+ a.clear();
+ }
+
+ public static DataInputStream c(File file1, int i, int j) {
+ RegionFile regionfile = a(file1, i, j);
+
+ return regionfile.a(i & 31, j & 31);
+ }
+
+ public static DataOutputStream d(File file1, int i, int j) {
+ RegionFile regionfile = a(file1, i, j);
+
+ return regionfile.b(i & 31, j & 31);
+ }
+}
diff --git a/src/main/java/net/minecraft/server/StructureGenerator.java b/src/main/java/net/minecraft/server/StructureGenerator.java
new file mode 100644
index 0000000..1eb87ae
--- /dev/null
+++ b/src/main/java/net/minecraft/server/StructureGenerator.java
@@ -0,0 +1,217 @@
+package net.minecraft.server;
+
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.List;
+import java.util.Map;
+import java.util.Random;
+import java.util.concurrent.Callable;
+
+public abstract class StructureGenerator extends WorldGenBase {
+
+ private PersistentStructure e;
+ protected Map d = new HashMap();
+
+ public StructureGenerator() {}
+
+ public abstract String a();
+
+ protected final void a(World world, int i, int j, int k, int l, Block[] ablock) {
+ this.a(world);
+ if (!this.d.containsKey(Long.valueOf(ChunkCoordIntPair.a(i, j)))) {
+ this.b.nextInt();
+
+ try {
+ if (this.a(i, j)) {
+ StructureStart structurestart = this.b(i, j);
+
+ this.d.put(Long.valueOf(ChunkCoordIntPair.a(i, j)), structurestart);
+ this.a(i, j, structurestart);
+ }
+ } catch (Throwable throwable) {
+ CrashReport crashreport = CrashReport.a(throwable, "Exception preparing structure feature");
+ CrashReportSystemDetails crashreportsystemdetails = crashreport.a("Feature being prepared");
+
+ crashreportsystemdetails.a("Is feature chunk", (Callable) (new CrashReportIsFeatureChunk(this, i, j)));
+ crashreportsystemdetails.a("Chunk location", String.format("%d,%d", new Object[] { Integer.valueOf(i), Integer.valueOf(j)}));
+ crashreportsystemdetails.a("Chunk pos hash", (Callable) (new CrashReportChunkPosHash(this, i, j)));
+ crashreportsystemdetails.a("Structure type", (Callable) (new CrashReportStructureType(this)));
+ throw new ReportedException(crashreport);
+ }
+ }
+ }
+
+ public boolean a(World world, Random random, int i, int j) {
+ this.a(world);
+ int k = (i << 4) + 8;
+ int l = (j << 4) + 8;
+ boolean flag = false;
+ Iterator iterator = this.d.values().iterator();
+
+ while (iterator.hasNext()) {
+ StructureStart structurestart = (StructureStart) iterator.next();
+
+ if (structurestart.d() && structurestart.a().a(k, l, k + 15, l + 15)) {
+ structurestart.a(world, random, new StructureBoundingBox(k, l, k + 15, l + 15));
+ flag = true;
+ this.a(structurestart.e(), structurestart.f(), structurestart);
+ }
+ }
+
+ return flag;
+ }
+
+ public boolean b(int i, int j, int k) {
+ this.a(this.c);
+ return this.c(i, j, k) != null;
+ }
+
+ protected StructureStart c(int i, int j, int k) {
+ Iterator iterator = this.d.values().iterator();
+
+ while (iterator.hasNext()) {
+ StructureStart structurestart = (StructureStart) iterator.next();
+
+ if (structurestart.d() && structurestart.a().a(i, k, i, k)) {
+ Iterator iterator1 = structurestart.b().iterator();
+
+ while (iterator1.hasNext()) {
+ StructurePiece structurepiece = (StructurePiece) iterator1.next();
+
+ if (structurepiece.c().b(i, j, k)) {
+ return structurestart;
+ }
+ }
+ }
+ }
+
+ return null;
+ }
+
+ public boolean d(int i, int j, int k) {
+ this.a(this.c);
+ Iterator iterator = this.d.values().iterator();
+
+ StructureStart structurestart;
+
+ do {
+ if (!iterator.hasNext()) {
+ return false;
+ }
+
+ structurestart = (StructureStart) iterator.next();
+ } while (!structurestart.d());
+
+ return structurestart.a().a(i, k, i, k);
+ }
+
+ public ChunkPosition getNearestGeneratedFeature(World world, int i, int j, int k) {
+ this.c = world;
+ this.a(world);
+ this.b.setSeed(world.getSeed());
+ long l = this.b.nextLong();
+ long i1 = this.b.nextLong();
+ long j1 = (long) (i >> 4) * l;
+ long k1 = (long) (k >> 4) * i1;
+
+ this.b.setSeed(j1 ^ k1 ^ world.getSeed());
+ this.a(world, i >> 4, k >> 4, 0, 0, (Block[]) null);
+ double d0 = Double.MAX_VALUE;
+ ChunkPosition chunkposition = null;
+ Iterator iterator = this.d.values().iterator();
+
+ ChunkPosition chunkposition1;
+ int l1;
+ int i2;
+ double d1;
+ int j2;
+
+ while (iterator.hasNext()) {
+ StructureStart structurestart = (StructureStart) iterator.next();
+
+ if (structurestart.d()) {
+ StructurePiece structurepiece = (StructurePiece) structurestart.b().get(0);
+
+ chunkposition1 = structurepiece.a();
+ i2 = chunkposition1.x - i;
+ l1 = chunkposition1.y - j;
+ j2 = chunkposition1.z - k;
+ d1 = (double) (i2 * i2 + l1 * l1 + j2 * j2);
+ if (d1 < d0) {
+ d0 = d1;
+ chunkposition = chunkposition1;
+ }
+ }
+ }
+
+ if (chunkposition != null) {
+ return chunkposition;
+ } else {
+ List list = this.o_();
+
+ if (list != null) {
+ ChunkPosition chunkposition2 = null;
+ Iterator iterator1 = list.iterator();
+
+ while (iterator1.hasNext()) {
+ chunkposition1 = (ChunkPosition) iterator1.next();
+ i2 = chunkposition1.x - i;
+ l1 = chunkposition1.y - j;
+ j2 = chunkposition1.z - k;
+ d1 = (double) (i2 * i2 + l1 * l1 + j2 * j2);
+ if (d1 < d0) {
+ d0 = d1;
+ chunkposition2 = chunkposition1;
+ }
+ }
+
+ return chunkposition2;
+ } else {
+ return null;
+ }
+ }
+ }
+
+ protected List o_() {
+ return null;
+ }
+
+ private void a(World world) {
+ if (this.e == null) {
+ this.e = (PersistentStructure) world.a(PersistentStructure.class, this.a());
+ if (this.e == null) {
+ this.e = new PersistentStructure(this.a());
+ world.a(this.a(), (PersistentBase) this.e);
+ } else {
+ NBTTagCompound nbttagcompound = this.e.a();
+ Iterator iterator = nbttagcompound.c().iterator();
+
+ while (iterator.hasNext()) {
+ String s = (String) iterator.next();
+ NBTBase nbtbase = nbttagcompound.get(s);
+
+ if (nbtbase.getTypeId() == 10) {
+ NBTTagCompound nbttagcompound1 = (NBTTagCompound) nbtbase;
+
+ if (nbttagcompound1.hasKey("ChunkX") && nbttagcompound1.hasKey("ChunkZ")) {
+ int i = nbttagcompound1.getInt("ChunkX");
+ int j = nbttagcompound1.getInt("ChunkZ");
+ StructureStart structurestart = WorldGenFactory.a(nbttagcompound1, world);
+
+ this.d.put(Long.valueOf(ChunkCoordIntPair.a(i, j)), structurestart);
+ }
+ }
+ }
+ }
+ }
+ }
+
+ private void a(int i, int j, StructureStart structurestart) {
+ this.e.a(structurestart.a(i, j), i, j);
+ this.e.c();
+ }
+
+ protected abstract boolean a(int i, int j);
+
+ protected abstract StructureStart b(int i, int j);
+}
diff --git a/src/main/java/net/minecraft/server/WatchableObject.java b/src/main/java/net/minecraft/server/WatchableObject.java
new file mode 100644
index 0000000..678aa91
--- /dev/null
+++ b/src/main/java/net/minecraft/server/WatchableObject.java
@@ -0,0 +1,44 @@
+package net.minecraft.server;
+
+public class WatchableObject {
+
+ private final int a;
+ private final int b;
+ private Object c;
+ private boolean d;
+
+ public WatchableObject(int i, int j, Object object) {
+ this.b = j;
+ this.c = object;
+ this.a = i;
+ this.d = true;
+ }
+
+ public int a() {
+ return this.b;
+ }
+
+ public void a(Object object) {
+ this.c = object;
+ }
+
+ public Object b() {
+ return this.c;
+ }
+
+ public int c() {
+ return this.a;
+ }
+
+ public boolean d() {
+ return this.d;
+ }
+
+ public void a(boolean flag) {
+ this.d = flag;
+ }
+
+ static boolean a(WatchableObject watchableobject, boolean flag) {
+ return watchableobject.d = flag;
+ }
+}
diff --git a/src/main/java/net/minecraft/server/WorldGenPackedIce2.java b/src/main/java/net/minecraft/server/WorldGenPackedIce2.java
new file mode 100644
index 0000000..c0db754
--- /dev/null
+++ b/src/main/java/net/minecraft/server/WorldGenPackedIce2.java
@@ -0,0 +1,101 @@
+package net.minecraft.server;
+
+import java.util.Random;
+
+public class WorldGenPackedIce2 extends WorldGenerator {
+
+ public WorldGenPackedIce2() {}
+
+ public boolean a(World world, Random random, int i, int j, int k) {
+ while (world.isEmpty(i, j, k) && j > 2) {
+ --j;
+ }
+
+ if (world.getType(i, j, k) != Blocks.SNOW_BLOCK) {
+ return false;
+ } else {
+ j += random.nextInt(4);
+ int l = random.nextInt(4) + 7;
+ int i1 = l / 4 + random.nextInt(2);
+
+ if (i1 > 1 && random.nextInt(60) == 0) {
+ j += 10 + random.nextInt(30);
+ }
+
+ int j1;
+ int k1;
+ int l1;
+
+ for (j1 = 0; j1 < l; ++j1) {
+ float f = (1.0F - (float) j1 / (float) l) * (float) i1;
+
+ k1 = MathHelper.f(f);
+
+ for (l1 = -k1; l1 <= k1; ++l1) {
+ float f1 = (float) MathHelper.a(l1) - 0.25F;
+
+ for (int i2 = -k1; i2 <= k1; ++i2) {
+ float f2 = (float) MathHelper.a(i2) - 0.25F;
+
+ if ((l1 == 0 && i2 == 0 || f1 * f1 + f2 * f2 <= f * f) && (l1 != -k1 && l1 != k1 && i2 != -k1 && i2 != k1 || random.nextFloat() <= 0.75F)) {
+ Block block = world.getType(i + l1, j + j1, k + i2);
+
+ if (block.getMaterial() == Material.AIR || block == Blocks.DIRT || block == Blocks.SNOW_BLOCK || block == Blocks.ICE) {
+ this.setType(world, i + l1, j + j1, k + i2, Blocks.PACKED_ICE);
+ }
+
+ if (j1 != 0 && k1 > 1) {
+ block = world.getType(i + l1, j - j1, k + i2);
+ if (block.getMaterial() == Material.AIR || block == Blocks.DIRT || block == Blocks.SNOW_BLOCK || block == Blocks.ICE) {
+ this.setType(world, i + l1, j - j1, k + i2, Blocks.PACKED_ICE);
+ }
+ }
+ }
+ }
+ }
+ }
+
+ j1 = i1 - 1;
+ if (j1 < 0) {
+ j1 = 0;
+ } else if (j1 > 1) {
+ j1 = 1;
+ }
+
+ for (int j2 = -j1; j2 <= j1; ++j2) {
+ k1 = -j1;
+
+ while (k1 <= j1) {
+ l1 = j - 1;
+ int k2 = 50;
+
+ if (Math.abs(j2) == 1 && Math.abs(k1) == 1) {
+ k2 = random.nextInt(5);
+ }
+
+ while (true) {
+ if (l1 > 50) {
+ Block block1 = world.getType(i + j2, l1, k + k1);
+
+ if (block1.getMaterial() == Material.AIR || block1 == Blocks.DIRT || block1 == Blocks.SNOW_BLOCK || block1 == Blocks.ICE || block1 == Blocks.PACKED_ICE) {
+ this.setType(world, i + j2, l1, k + k1, Blocks.PACKED_ICE);
+ --l1;
+ --k2;
+ if (k2 <= 0) {
+ l1 -= random.nextInt(5) + 1;
+ k2 = random.nextInt(5);
+ }
+ continue;
+ }
+ }
+
+ ++k1;
+ break;
+ }
+ }
+ }
+
+ return true;
+ }
+ }
+}
--
1.8.3.2
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