package net.minecraft.server.management;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import net.minecraft.entity.player.EntityPlayerMP;
import net.minecraft.network.packet.Packet;
import net.minecraft.network.packet.Packet51MapChunk;
import net.minecraft.network.packet.Packet52MultiBlockChange;
import net.minecraft.network.packet.Packet53BlockChange;
import net.minecraft.tileentity.TileEntity;
import net.minecraft.world.ChunkCoordIntPair;
import net.minecraftforge.common.ForgeDummyContainer;
import net.minecraftforge.common.MinecraftForge;
import net.minecraftforge.event.world.ChunkWatchEvent;
public class PlayerInstance
{
private final List playersInChunk;
/** note: this is final */
private final ChunkCoordIntPair chunkLocation;
private short[] locationOfBlockChange;
private int numberOfTilesToUpdate;
private int field_73260_f;
final PlayerManager thePlayerManager;
public PlayerInstance(PlayerManager par1PlayerManager, int par2, int par3)
{
this.thePlayerManager = par1PlayerManager;
this.playersInChunk = new ArrayList();
this.locationOfBlockChange = new short[64];
this.numberOfTilesToUpdate = 0;
this.chunkLocation = new ChunkCoordIntPair(par2, par3);
par1PlayerManager.getWorldServer().theChunkProviderServer.loadChunk(par2, par3);
}
/**
* called for all chunks within the visible radius of the player
*/
public void addPlayerToChunkWatchingList(EntityPlayerMP par1EntityPlayerMP)
{
if (this.playersInChunk.contains(par1EntityPlayerMP))
{
throw new IllegalStateException("Failed to add player. " + par1EntityPlayerMP + " already is in chunk " + this.chunkLocation.chunkXPos + ", " + this.chunkLocation.chunkZPos);
}
else
{
this.playersInChunk.add(par1EntityPlayerMP);
par1EntityPlayerMP.loadedChunks.add(this.chunkLocation);
}
}
public void sendThisChunkToPlayer(EntityPlayerMP par1EntityPlayerMP)
{
if (this.playersInChunk.contains(par1EntityPlayerMP))
{
par1EntityPlayerMP.playerNetServerHandler.sendPacketToPlayer(new Packet51MapChunk(PlayerManager.getWorldServer(this.thePlayerManager).getChunkFromChunkCoords(this.chunkLocation.chunkXPos, this.chunkLocation.chunkZPos), true, 0));
this.playersInChunk.remove(par1EntityPlayerMP);
par1EntityPlayerMP.loadedChunks.remove(this.chunkLocation);
MinecraftForge.EVENT_BUS.post(new ChunkWatchEvent.UnWatch(chunkLocation, par1EntityPlayerMP));
if (this.playersInChunk.isEmpty())
{
long i = (long)this.chunkLocation.chunkXPos + 2147483647L | (long)this.chunkLocation.chunkZPos + 2147483647L << 32;
PlayerManager.getChunkWatchers(this.thePlayerManager).remove(i);
if (this.numberOfTilesToUpdate > 0)
{
PlayerManager.getChunkWatchersWithPlayers(this.thePlayerManager).remove(this);
}
this.thePlayerManager.getWorldServer().theChunkProviderServer.unloadChunksIfNotNearSpawn(this.chunkLocation.chunkXPos, this.chunkLocation.chunkZPos);
}
}
}
public void flagChunkForUpdate(int par1, int par2, int par3)
{
if (this.numberOfTilesToUpdate == 0)
{
PlayerManager.getChunkWatchersWithPlayers(this.thePlayerManager).add(this);
}
this.field_73260_f |= 1 << (par2 >> 4);
//if (this.numberOfTilesToUpdate < 64) //Forge; Cache everything, so always run
{
short short1 = (short)(par1 << 12 | par3 << 8 | par2);
for (int l = 0; l < this.numberOfTilesToUpdate; ++l)
{
if (this.locationOfBlockChange[l] == short1)
{
return;
}
}
if (numberOfTilesToUpdate == locationOfBlockChange.length)
{
locationOfBlockChange = Arrays.copyOf(locationOfBlockChange, locationOfBlockChange.length << 1);
}
this.locationOfBlockChange[this.numberOfTilesToUpdate++] = short1;
}
}
public void sendToAllPlayersWatchingChunk(Packet par1Packet)
{
for (int i = 0; i < this.playersInChunk.size(); ++i)
{
EntityPlayerMP entityplayermp = (EntityPlayerMP)this.playersInChunk.get(i);
if (!entityplayermp.loadedChunks.contains(this.chunkLocation))
{
entityplayermp.playerNetServerHandler.sendPacketToPlayer(par1Packet);
}
}
}
public void sendChunkUpdate()
{
if (this.numberOfTilesToUpdate != 0)
{
int i;
int j;
int k;
if (this.numberOfTilesToUpdate == 1)
{
i = this.chunkLocation.chunkXPos * 16 + (this.locationOfBlockChange[0] >> 12 & 15);
j = this.locationOfBlockChange[0] & 255;
k = this.chunkLocation.chunkZPos * 16 + (this.locationOfBlockChange[0] >> 8 & 15);
this.sendToAllPlayersWatchingChunk(new Packet53BlockChange(i, j, k, PlayerManager.getWorldServer(this.thePlayerManager)));
if (PlayerManager.getWorldServer(this.thePlayerManager).blockHasTileEntity(i, j, k))
{
this.sendTileToAllPlayersWatchingChunk(PlayerManager.getWorldServer(this.thePlayerManager).getBlockTileEntity(i, j, k));
}
}
else
{
int l;
if (this.numberOfTilesToUpdate >= ForgeDummyContainer.clumpingThreshold)
{
i = this.chunkLocation.chunkXPos * 16;
j = this.chunkLocation.chunkZPos * 16;
this.sendToAllPlayersWatchingChunk(new Packet51MapChunk(PlayerManager.getWorldServer(this.thePlayerManager).getChunkFromChunkCoords(this.chunkLocation.chunkXPos, this.chunkLocation.chunkZPos), false, this.field_73260_f));
/* Forge: Grabs ALL tile entities is costly on a modded server, only send needed ones
for (k = 0; k < 16; ++k)
{
if ((this.field_73260_f & 1 << k) != 0)
{
l = k << 4;
List list = PlayerManager.getWorldServer(this.thePlayerManager).getAllTileEntityInBox(i, l, j, i + 16, l + 16, j + 16);
for (int i1 = 0; i1 < list.size(); ++i1)
{
this.sendTileToAllPlayersWatchingChunk((TileEntity)list.get(i1));
}
}
}
*/
}
else
{
this.sendToAllPlayersWatchingChunk(new Packet52MultiBlockChange(this.chunkLocation.chunkXPos, this.chunkLocation.chunkZPos, this.locationOfBlockChange, this.numberOfTilesToUpdate, PlayerManager.getWorldServer(this.thePlayerManager)));
}
{ //Forge: Send only the tile entities that are updated, Adding this brace lets us keep the indent and the patch small
for (i = 0; i < this.numberOfTilesToUpdate; ++i)
{
j = this.chunkLocation.chunkXPos * 16 + (this.locationOfBlockChange[i] >> 12 & 15);
k = this.locationOfBlockChange[i] & 255;
l = this.chunkLocation.chunkZPos * 16 + (this.locationOfBlockChange[i] >> 8 & 15);
if (PlayerManager.getWorldServer(this.thePlayerManager).blockHasTileEntity(j, k, l))
{
this.sendTileToAllPlayersWatchingChunk(PlayerManager.getWorldServer(this.thePlayerManager).getBlockTileEntity(j, k, l));
}
}
}
}
this.numberOfTilesToUpdate = 0;
this.field_73260_f = 0;
}
}
private void sendTileToAllPlayersWatchingChunk(TileEntity par1TileEntity)
{
if (par1TileEntity != null)
{
Packet packet = par1TileEntity.getDescriptionPacket();
if (packet != null)
{
this.sendToAllPlayersWatchingChunk(packet);
}
}
}
static ChunkCoordIntPair getChunkLocation(PlayerInstance par0PlayerInstance)
{
return par0PlayerInstance.chunkLocation;
}
static List getPlayersInChunk(PlayerInstance par0PlayerInstance)
{
return par0PlayerInstance.playersInChunk;
}
}