Fix dupe glitch, start on modding API

minecraft_server/src/net/PeytonPlayz585/Location.java

@@ -0,0 +1,13 @@
+package net.PeytonPlayz585;
+
+public class Location {
+	
+	public int x,y,z;
+	
+	public Location(int x, int y, int z) {
+		this.x = x;
+		this.y = y;
+		this.z = z;
+	}
+
+}

minecraft_server/src/net/PeytonPlayz585/Server.java

@@ -0,0 +1,69 @@
+package net.PeytonPlayz585;
+
+import java.util.logging.Logger;
+
+import net.minecraft.server.MinecraftServer;
+import net.minecraft.src.EntityPlayer;
+import net.minecraft.src.EntityPlayerMP;
+
+public class Server {
+	
+	public static String getName() {
+		return "Vanilla Server";
+	}
+	
+	public static String getVersion() {
+		return "Alpha v1.2.6";
+	}
+	
+	public static EntityPlayer[] getOnlinePlayers() {
+		return (EntityPlayer[])MinecraftServer.configManager.playerEntities.toArray(new EntityPlayerMP[MinecraftServer.configManager.playerEntities.size()]);
+	}
+	
+	public static int getMaxPlayers() {
+		return MinecraftServer.configManager.maxPlayers;
+	}
+	
+	public static int getPort() {
+		return MinecraftServer.port == 0 ? 25565 : MinecraftServer.port;
+	}
+	
+	public static String getIP() {
+		if(MinecraftServer.serverIP == null) {
+			return "localhost";
+		}
+		return MinecraftServer.serverIP;
+	}
+	
+	public static String getLevelName() {
+		if(MinecraftServer.levelName == null) {
+			return "world";
+		}
+		return MinecraftServer.levelName;
+	}
+	
+	public static void broadcastMessage(String message) {
+		MinecraftServer.configManager.sendChatMessageToAllPlayers("\u00a77(" + message + ")");
+	}
+	
+	public static EntityPlayer getPlayerByName(String name) {
+		for(int var1 = 0; var1 < MinecraftServer.configManager.playerEntities.size(); ++var1) {
+			EntityPlayerMP player = (EntityPlayerMP)MinecraftServer.configManager.playerEntities.get(var1);
+			if(player.username.equalsIgnoreCase(name)) {
+				return player;
+			}
+		}
+		return null;
+	}
+	
+	public static void savePlayers() {
+		if(MinecraftServer.configManager != null) {
+			MinecraftServer.configManager.savePlayerStates();
+		}
+	}
+	
+	public static Logger getLogger() {
+		return MinecraftServer.logger;
+	}
+
+}

minecraft_server/src/net/PeytonPlayz585/TreeType.java

@@ -0,0 +1,5 @@
+package net.PeytonPlayz585;
+
+public enum TreeType {
+	TREE, BIG_TREE;
+}

minecraft_server/src/net/PeytonPlayz585/World.java

@@ -0,0 +1,106 @@
+package net.PeytonPlayz585;
+
+import net.PeytonPlayzt585.entity.CreatureType;
+import net.minecraft.server.MinecraftServer;
+import net.minecraft.src.Block;
+import net.minecraft.src.Chunk;
+import net.minecraft.src.Entity;
+import net.minecraft.src.IProgressUpdate;
+import net.minecraft.src.WorldProvider;
+
+public class World {
+	
+	public static Block getBlockAt(int var1, int var2, int var3) {
+		return Block.blocksList[MinecraftServer.worldMngr.getBlockId(var1, var2, var3)];
+	}
+	
+	public static Chunk getChunkFromBlockCoords(int var1, int var2) {
+		return MinecraftServer.worldMngr.getChunkFromBlockCoords(var1, var2);
+	}
+	
+	public static Chunk getChunkFromChunkCoords(int var1, int var2) {
+		return MinecraftServer.worldMngr.getChunkFromChunkCoords(var1, var2);
+	}
+	
+	public static boolean isChunkLoaded(int var1, int var2) {
+		Chunk chunk = getChunkFromChunkCoords(var1, var2);
+		if(chunk == null) {
+			chunk = getChunkFromBlockCoords(var1, var2);
+			
+			if(chunk == null) {
+				return false;
+			}
+		}
+		return chunk.func_347_a();
+	}
+	
+	public static boolean loadChunk(int x, int y, boolean var1) {
+		Chunk chunk = MinecraftServer.worldMngr.A.loadChunk(x, y);
+		if(chunk == null) {
+			return false;
+		}
+		return true;
+	}
+	
+	public static void spawnCreature(CreatureType type, double x, double y, double z) {
+		Entity entity = type.nameToEntity(type.name());
+		entity.func_107_c(x, y, z, MinecraftServer.worldMngr.rand.nextFloat() * 360.0F, 0.0F);
+		MinecraftServer.worldMngr.entityJoinedWorld(entity);
+	}
+	
+	public static void spawnCreature(CreatureType type, float x, float y, float z) {
+		Entity entity = type.nameToEntity(type.name());
+		entity.func_107_c(x, y, z, MinecraftServer.worldMngr.rand.nextFloat() * 360.0F, 0.0F);
+		MinecraftServer.worldMngr.entityJoinedWorld(entity);
+	}
+	
+	public static void spawnCreature(CreatureType type, int x, int y, int z) {
+		Entity entity = type.nameToEntity(type.name());
+		entity.func_107_c(x, y, z, MinecraftServer.worldMngr.rand.nextFloat() * 360.0F, 0.0F);
+		MinecraftServer.worldMngr.entityJoinedWorld(entity);
+	}
+	
+	public static Location getSpawnLocation() {
+		int x = MinecraftServer.worldMngr.spawnX;
+		int y = MinecraftServer.worldMngr.spawnY;
+		int z = MinecraftServer.worldMngr.spawnZ;
+		return new Location(x, y, z);
+	}
+	
+	public static void setSpawnLocation(int x, int y, int z) {
+		MinecraftServer.worldMngr.spawnX = x;
+		MinecraftServer.worldMngr.spawnY = y;
+		MinecraftServer.worldMngr.spawnZ = z;
+	}
+	
+	public static long getWorldTime() {
+		return MinecraftServer.worldMngr.worldTime;
+	}
+	
+	public static void setWorldTime(long time) {
+		MinecraftServer.worldMngr.worldTime = time;
+	}
+	
+	public static void saveWorld() {
+		MinecraftServer.logger.info("Saving World!");
+		
+		if(MinecraftServer.configManager != null) {
+			MinecraftServer.configManager.savePlayerStates();
+		}
+		
+		MinecraftServer.worldMngr.func_485_a(true, (IProgressUpdate)null);
+	}
+	
+	public static Environment getEnvironment() {
+		if(WorldProvider.dimension == 0) {
+			return Environment.NORMAL;
+		} else {
+			return Environment.NETHER;
+		}
+	}
+	
+	public enum Environment {
+		NORMAL, NETHER;
+	}
+
+}

minecraft_server/src/net/PeytonPlayzt585/entity/CreatureType.java

@@ -0,0 +1,87 @@
+package net.PeytonPlayzt585.entity;
+
+import java.lang.reflect.InvocationTargetException;
+import java.util.EnumSet;
+import java.util.HashMap;
+import java.util.Map;
+
+import net.minecraft.server.MinecraftServer;
+import net.minecraft.src.Entity;
+import net.minecraft.src.EntityChicken;
+import net.minecraft.src.EntityCow;
+import net.minecraft.src.EntityCreeper;
+import net.minecraft.src.EntityGhast;
+import net.minecraft.src.EntityPig;
+import net.minecraft.src.EntitySheep;
+import net.minecraft.src.EntitySkeleton;
+import net.minecraft.src.EntitySlime;
+import net.minecraft.src.EntitySpider;
+import net.minecraft.src.EntityZombie;
+import net.minecraft.src.World;
+
+public enum CreatureType {
+  CHICKEN("Chicken"),
+  COW("Cow"),
+  CREEPER("Creeper"),
+  GHAST("Ghast"),
+  PIG("Pig"),
+  SHEEP("Sheep"),
+  SKELETON("Skeleton"),
+  SLIME("Slime"),
+  SPIDER("Spider"),
+  ZOMBIE("Zombie");
+  
+  private String name;
+  
+  private static final Map<String, CreatureType> mapping;
+  
+  static {
+    mapping = new HashMap<String, CreatureType>();
+    for (CreatureType type : EnumSet.<CreatureType>allOf(CreatureType.class))
+      mapping.put(type.name, type); 
+  }
+  
+  CreatureType(String name) {
+    this.name = name;
+  }
+  
+  public String getName() {
+    return this.name;
+  }
+  
+  public Entity nameToEntity(String name) {
+	  try {
+		  if(name.equals("Chicken")) {
+			  return EntityChicken.class.getConstructor(new Class[]{World.class}).newInstance(new Object[]{MinecraftServer.worldMngr});
+		  } else if(name.equals("Cow")) {
+			  return EntityCow.class.getConstructor(new Class[]{World.class}).newInstance(new Object[]{MinecraftServer.worldMngr});
+		  } else if(name.equals("Creeper")) {
+			  return EntityCreeper.class.getConstructor(new Class[]{World.class}).newInstance(new Object[]{MinecraftServer.worldMngr});
+		  } else if(name.equals("Ghast")) {
+			  return EntityGhast.class.getConstructor(new Class[]{World.class}).newInstance(new Object[]{MinecraftServer.worldMngr});
+		  } else if(name.equals("Pig")) {
+			  return EntityPig.class.getConstructor(new Class[]{World.class}).newInstance(new Object[]{MinecraftServer.worldMngr});
+		  } else if(name.equals("Sheep")) {
+			  return EntitySheep.class.getConstructor(new Class[]{World.class}).newInstance(new Object[]{MinecraftServer.worldMngr});
+		  } else if(name.equals("Skeleton")) {
+			  return EntitySkeleton.class.getConstructor(new Class[]{World.class}).newInstance(new Object[]{MinecraftServer.worldMngr});
+		  } else if(name.equals("Slime")) {
+			  return EntitySlime.class.getConstructor(new Class[]{World.class}).newInstance(new Object[]{MinecraftServer.worldMngr});
+		  } else if(name.equals("Spider")) {
+			  return EntitySpider.class.getConstructor(new Class[]{World.class}).newInstance(new Object[]{MinecraftServer.worldMngr});
+		  } else if(name.equals("Zombie")) {
+			  return EntityZombie.class.getConstructor(new Class[]{World.class}).newInstance(new Object[]{MinecraftServer.worldMngr});
+		  }
+	  } catch(InstantiationException | IllegalAccessException | InvocationTargetException | NoSuchMethodException e) {
+		  System.err.println("Error mapping entity name to class!");
+		  return null;
+	  }
+	  
+	  System.err.println("Entity (" + name + ") not found!");
+	  return null;
+  }
+  
+  public static CreatureType fromName(String name) {
+    return mapping.get(name);
+  }
+}

minecraft_server/src/net/minecraft/server/MinecraftServer.java

@@ -40,8 +40,8 @@ public class MinecraftServer implements ICommandListener, Runnable {
 	public static HashMap field_6037_b = new HashMap();
 	public NetworkListenThread field_6036_c;
 	public PropertyManager propertyManagerObj;
-	public WorldServer worldMngr;
-	public ServerConfigurationManager configManager;
+	public static WorldServer worldMngr;
+	public static ServerConfigurationManager configManager;
 	private boolean field_6025_n = true;
 	public boolean field_6032_g = false;
 	int field_9014_h = 0;
@@ -53,6 +53,9 @@ public class MinecraftServer implements ICommandListener, Runnable {
 	public boolean onlineMode;
 	public boolean noAnimals;
 	public boolean field_9011_n;
+	public static int port = 0;
+	public static String levelName = null;
+	public static String serverIP = null;
 
 	public MinecraftServer() {
 		new ThreadSleepForever(this);
@@ -78,9 +81,11 @@ public class MinecraftServer implements ICommandListener, Runnable {
 		InetAddress var3 = null;
 		if(var2.length() > 0) {
 			var3 = InetAddress.getByName(var2);
+			serverIP = var3.toString();
 		}
 
 		int var4 = this.propertyManagerObj.getIntProperty("server-port", 25565);
+		port = var4;
 		logger.info("Starting Minecraft server on " + (var2.length() == 0 ? "*" : var2) + ":" + var4);
 
 		try {
@@ -102,6 +107,7 @@ public class MinecraftServer implements ICommandListener, Runnable {
 		this.configManager = new ServerConfigurationManager(this);
 		this.field_6028_k = new EntityTracker(this);
 		String var5 = this.propertyManagerObj.getStringProperty("level-name", "world");
+		levelName = var5;
 		logger.info("Preparing level \"" + var5 + "\"");
 		this.func_6017_c(var5);
 		logger.info("Done! For help, type \"help\" or \"?\"");
@@ -298,6 +304,19 @@ public class MinecraftServer implements ICommandListener, Runnable {
 				} else if(var2.toLowerCase().startsWith("save-on")) {
 					this.func_6014_a(var4, "Enabling level saving..");
 					this.worldMngr.field_816_A = false;
+				} else if(var2.toLowerCase().startsWith("spawn-protection")) {
+					boolean b = this.configManager.isOp(var4) || var4.equals("CONSOLE");
+					if(!b) {
+						return;
+					}
+					String var11 = var2.substring(var2.indexOf(" ")).trim();
+					if(var11.equals("enable")) {
+						this.worldMngr.spawnProtection = true;
+					} else if(var11.equals("disable")) {
+						this.worldMngr.spawnProtection = false;
+					} else {
+						return;
+					}
 				} else {
 					String var11;
 					if(var2.toLowerCase().startsWith("op ")) {

minecraft_server/src/net/minecraft/src/Chunk.java

@@ -521,7 +521,7 @@ public class Chunk {
 
 	}
 
-	public boolean func_347_a(boolean var1) {
+	public boolean func_347_a() {
 		return this.field_679_p ? false : (this.field_677_r && this.worldObj.worldTime != this.field_676_s ? true : this.isModified);
 	}
 

minecraft_server/src/net/minecraft/src/ChunkProviderLoadOrGenerate.java

@@ -144,7 +144,7 @@ public class ChunkProviderLoadOrGenerate implements IChunkProvider {
 		int var5;
 		if(var2 != null) {
 			for(var5 = 0; var5 < this.chunks.length; ++var5) {
-				if(this.chunks[var5] != null && this.chunks[var5].func_347_a(var1)) {
+				if(this.chunks[var5] != null && this.chunks[var5].func_347_a()) {
 					++var4;
 				}
 			}
@@ -158,7 +158,7 @@ public class ChunkProviderLoadOrGenerate implements IChunkProvider {
 					this.func_371_a(this.chunks[var6]);
 				}
 
-				if(this.chunks[var6].func_347_a(var1)) {
+				if(this.chunks[var6].func_347_a()) {
 					this.func_370_b(this.chunks[var6]);
 					this.chunks[var6].isModified = false;
 					++var3;

minecraft_server/src/net/minecraft/src/ChunkProviderServer.java

@@ -150,7 +150,7 @@ public class ChunkProviderServer implements IChunkProvider {
 				this.func_375_a(var5);
 			}
 
-			if(var5.func_347_a(var1)) {
+			if(var5.func_347_a()) {
 				this.func_373_b(var5);
 				var5.isModified = false;
 				++var3;

minecraft_server/src/net/minecraft/src/ItemStack.java

@@ -116,4 +116,8 @@ public final class ItemStack {
 	public ItemStack copy() {
 		return new ItemStack(this.itemID, this.stackSize, this.itemDamage);
 	}
+	
+	public static ItemStack func_20117_a(ItemStack var0) {
+		return var0 == null ? null : var0.copy();
+	}
 }

minecraft_server/src/net/minecraft/src/NetServerHandler.java

@@ -214,13 +214,13 @@ public class NetServerHandler extends NetHandler implements ICommandListener {
 		}
 
 		if(var1.status == 0) {
-			if(var19 > 16 || var2) {
+			if(var19 > 16 || var2 || !this.mcServer.worldMngr.spawnProtection) {
 				this.playerEntity.field_425_ad.func_324_a(var4, var5, var6);
 			}
 		} else if(var1.status == 2) {
 			this.playerEntity.field_425_ad.func_328_a();
 		} else if(var1.status == 1) {
-			if(var19 > 16 || var2) {
+			if(var19 > 16 || var2 || !this.mcServer.worldMngr.spawnProtection) {
 				this.playerEntity.field_425_ad.func_326_a(var4, var5, var6, var18);
 			}
 		} else if(var1.status == 3) {
@@ -231,7 +231,7 @@ public class NetServerHandler extends NetHandler implements ICommandListener {
 			if(var16 < 256.0D) {
 				this.playerEntity.field_421_a.sendPacket(new Packet53BlockChange(var4, var5, var6, this.mcServer.worldMngr));
 			}
-			if(!(var19 > 16 || var2)) {
+			if(!(var19 > 16 || var2) && this.mcServer.worldMngr.spawnProtection) {
 				this.playerEntity.field_421_a.sendPacket(new Packet3Chat("You cannot place/break blocks in this area!"));
 			}
 		}
@@ -241,6 +241,7 @@ public class NetServerHandler extends NetHandler implements ICommandListener {
 
 	public void handlePlace(Packet15Place var1) {
 		boolean var2 = this.mcServer.worldMngr.field_819_z = this.mcServer.configManager.isOp(this.playerEntity.username);
+		ItemStack stack = this.playerEntity.inventory.getCurrentItem();
 		if(var1.direction == 255) {
 			ItemStack var3 = var1.id >= 0 ? new ItemStack(var1.id) : null;
 			this.playerEntity.field_425_ad.func_6154_a(this.playerEntity, this.mcServer.worldMngr, var3);
@@ -255,8 +256,15 @@ public class NetServerHandler extends NetHandler implements ICommandListener {
 				var8 = var7;
 			}
 
-			ItemStack var9 = var1.id >= 0 ? new ItemStack(var1.id) : null;
-			this.playerEntity.field_425_ad.func_327_a(this.playerEntity, this.mcServer.worldMngr, var9, var10, var4, var5, var6);
+			if(this.mcServer.worldMngr.spawnProtection) {
+				if(var8 > 16 || var2) {
+					ItemStack var9 = var1.id >= 0 ? new ItemStack(var1.id) : null;
+					this.playerEntity.field_425_ad.func_327_a(this.playerEntity, this.mcServer.worldMngr, var9, var10, var4, var5, var6);
+				}
+			} else {
+				ItemStack var9 = var1.id >= 0 ? new ItemStack(var1.id) : null;
+				this.playerEntity.field_425_ad.func_327_a(this.playerEntity, this.mcServer.worldMngr, var9, var10, var4, var5, var6);
+			}
 
 			this.playerEntity.field_421_a.sendPacket(new Packet53BlockChange(var10, var4, var5, this.mcServer.worldMngr));
 			if(var6 == 0) {
@@ -285,21 +293,13 @@ public class NetServerHandler extends NetHandler implements ICommandListener {
 
 			this.playerEntity.field_421_a.sendPacket(new Packet53BlockChange(var10, var4, var5, this.mcServer.worldMngr));
 			
-			if(!(var8 > 16 | var2)) {
-				if(field_10_k != null) {
-					this.playerEntity.field_421_a.sendPacket(new Packet3Chat("You cannot place/break blocks in this area!"));
-					this.playerEntity.field_425_ad.func_323_b(var10, var4, var5);
-					this.playerEntity.field_421_a.sendPacket(new Packet53BlockChange(var10, var4, var5, this.mcServer.worldMngr));
-					ItemStack[] stack = this.playerEntity.inventory.mainInventory.clone();
-					ItemStack stack1 = new ItemStack(var1.id);
-					if(stack[this.playerEntity.inventory.currentItem] != null) {
-						stack1.stackSize = stack[this.playerEntity.inventory.currentItem].stackSize + 1;	
-					} else {
-						stack1.stackSize = 1;
-					}
-					stack[this.playerEntity.inventory.currentItem] = stack1;
-					this.playerEntity.field_421_a.sendPacket(new Packet5PlayerInventory(-1, stack));
+			if(!(var8 > 16 | var2) && this.mcServer.worldMngr.spawnProtection) {
+				this.playerEntity.field_421_a.sendPacket(new Packet3Chat("You cannot place/break blocks in this area!"));
+				if(stack != null && stack.stackSize == 0) {
+					this.playerEntity.inventory.mainInventory[this.playerEntity.inventory.currentItem] = null;
 				}
+				this.playerEntity.inventory.mainInventory[this.playerEntity.inventory.currentItem] = ItemStack.func_20117_a(this.playerEntity.inventory.mainInventory[this.playerEntity.inventory.currentItem]);
+				this.playerEntity.field_421_a.sendPacket(new Packet5PlayerInventory(-1, this.playerEntity.inventory.mainInventory));
 			}
 		}
 

minecraft_server/src/net/minecraft/src/NetworkManager.java

@@ -9,6 +9,7 @@ import java.io.IOException;
 import java.io.InputStream;
 import java.net.Socket;
 import java.net.SocketAddress;
+import java.net.SocketException;
 import java.nio.ByteBuffer;
 import java.util.ArrayList;
 import java.util.Collections;
@@ -92,12 +93,22 @@ public class NetworkManager {
 					DataOutputStream yee = new DataOutputStream(sendBuffer);
 					Packet.writePacket(var2, yee);
 					yee.flush();
-					socketOutputStream.write(sendBuffer.toByteArray());
+					try {
+						socketOutputStream.write(sendBuffer.toByteArray());
+					} catch(SocketException e) {
+						if (e.getMessage().contains("connection abort") || e.getMessage().contains("connection reset")) {
+							this.networkShutdown("Connection reset");
+							return;
+						} else {
+							this.onNetworkError(e);
+							e.printStackTrace();
+						}
+					}
 					sendBuffer.flush();
 					socketOutputStream.flush();
 				} catch(Exception e) {
+					e.printStackTrace();
 					this.sendQueueByteLength = oldSendQueue;
-					System.err.println("Error occured while sending data packets! " + e.getStackTrace().toString());
 				}
 			}
 
@@ -116,14 +127,24 @@ public class NetworkManager {
 					DataOutputStream yee = new DataOutputStream(sendBuffer);
 					Packet.writePacket(var2, yee);
 					yee.flush();
-					socketOutputStream.write(sendBuffer.toByteArray());
+					try {
+						socketOutputStream.write(sendBuffer.toByteArray());
+					} catch(SocketException e) {
+						if (e.getMessage().contains("connection abort") || e.getMessage().contains("connection reset")) {
+							this.networkShutdown("Connection reset");
+							return;
+						} else {
+							this.onNetworkError(e);
+							e.printStackTrace();
+						}
+					}
 					sendBuffer.flush();
 					socketOutputStream.flush();
 					this.chunkDataSendCounter = 50;
 				} catch(Exception e) {
+					e.printStackTrace();
 					this.sendQueueByteLength = oldSendQueue;
 					this.chunkDataSendCounter = oldChunkData;
-					System.err.println("Error occured while sending chunk data! " + e.getStackTrace().toString());
 				}
 			}
 

minecraft_server/src/net/minecraft/src/ServerConfigurationManager.java

@@ -18,7 +18,7 @@ public class ServerConfigurationManager {
 	public List playerEntities = new ArrayList();
 	private MinecraftServer mcServer;
 	private PlayerManager playerManagerObj;
-	private int maxPlayers;
+	public int maxPlayers;
 	private Set field_9252_f = new HashSet();
 	private Set bannedIPs = new HashSet();
 	private Set ops = new HashSet();

minecraft_server/src/net/minecraft/src/World.java

@@ -54,6 +54,8 @@ public class World implements IBlockAccess {
 	private int field_4263_L = this.rand.nextInt(12000);
 	private List field_778_L = new ArrayList();
 	public boolean multiplayerWorld = false;
+	public int dimension = 0;
+	public boolean spawnProtection = true;
 
 	public WorldChunkManager func_4077_a() {
 		return this.field_4272_q.field_4301_b;
@@ -92,6 +94,11 @@ public class World implements IBlockAccess {
 				this.spawnY = var9.getInteger("SpawnY");
 				this.spawnZ = var9.getInteger("SpawnZ");
 				this.worldTime = var9.getLong("Time");
+				if(var9.hasKey("spawnProtection")) {
+					this.spawnProtection = var9.getBoolean("spawnProtection");
+				} else {
+					spawnProtection = true;
+				}
 				this.sizeOnDisk = var9.getLong("SizeOnDisk");
 				if(var9.hasKey("Player")) {
 					this.nbtCompoundPlayer = var9.getCompoundTag("Player");
@@ -170,6 +177,7 @@ public class World implements IBlockAccess {
 		var1.setLong("Time", this.worldTime);
 		var1.setLong("SizeOnDisk", this.sizeOnDisk);
 		var1.setLong("LastPlayed", System.currentTimeMillis());
+		var1.setBoolean("spawnProtection", this.spawnProtection);
 		EntityPlayer var2 = null;
 		if(this.playerEntities.size() > 0) {
 			var2 = (EntityPlayer)this.playerEntities.get(0);

minecraft_server/src/net/minecraft/src/WorldProvider.java

@@ -11,6 +11,7 @@ public class WorldProvider {
 	public float[] lightBrightnessTable = new float[16];
 	public int field_6165_g = 0;
 	private float[] field_6164_h = new float[4];
+	public static int dimension = 0;
 
 	public final void func_4093_a(World var1) {
 		this.field_4302_a = var1;
@@ -63,6 +64,7 @@ public class WorldProvider {
 	}
 
 	public static WorldProvider func_4091_a(int var0) {
+		dimension = var0;
 		return (WorldProvider)(var0 == 0 ? new WorldProvider() : (var0 == -1 ? new WorldProviderHell() : null));
 	}
 }

minecraft_server/src/net/minecraft/src/WorldServer.java

@@ -62,7 +62,7 @@ public class WorldServer extends World {
 			var6 = var5;
 		}
 
-		return var6 > 16 || this.field_6160_D.configManager.isOp(var1.username);
+		return var6 > 16 || this.field_6160_D.configManager.isOp(var1.username) || !this.spawnProtection;
 	}
 
 	protected void func_479_b(Entity var1) {