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package net.minecraft.server;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
class PlayerInstance {
private final List b;
private final ChunkCoordIntPair location;
private short[] dirtyBlocks;
private int dirtyCount;
private int f;
final PlayerManager playerManager;
public PlayerInstance(PlayerManager playermanager, int i, int j) {
this.playerManager = playermanager;
this.b = new ArrayList();
this.dirtyBlocks = new short[64];
this.dirtyCount = 0;
this.location = new ChunkCoordIntPair(i, j);
playermanager.a().chunkProviderServer.getChunkAt(i, j);
}
public void a(EntityPlayer entityplayer) {
if (this.b.contains(entityplayer)) {
throw new IllegalStateException("Failed to add player. " + entityplayer + " already is in chunk " + this.location.x + ", " + this.location.z);
} else {
this.b.add(entityplayer);
entityplayer.chunkCoordIntPairQueue.add(this.location);
}
}
public void b(EntityPlayer entityplayer) {
if (this.b.contains(entityplayer)) {
entityplayer.netServerHandler.sendPacket(new Packet51MapChunk(PlayerManager.a(this.playerManager).getChunkAt(this.location.x, this.location.z), true, 0));
this.b.remove(entityplayer);
entityplayer.chunkCoordIntPairQueue.remove(this.location);
if (this.b.isEmpty()) {
long i = (long) this.location.x + 2147483647L | (long) this.location.z + 2147483647L << 32;
PlayerManager.b(this.playerManager).remove(i);
if (this.dirtyCount > 0) {
PlayerManager.c(this.playerManager).remove(this);
}
this.playerManager.a().chunkProviderServer.queueUnload(this.location.x, this.location.z);
}
}
}
public void a(int i, int j, int k) {
if (this.dirtyCount == 0) {
PlayerManager.c(this.playerManager).add(this);
}
this.f |= 1 << (j >> 4);
if (this.dirtyCount < 64) {
short short1 = (short) (i << 12 | k << 8 | j);
for (int l = 0; l < this.dirtyCount; ++l) {
if (this.dirtyBlocks[l] == short1) {
return;
}
}
this.dirtyBlocks[this.dirtyCount++] = short1;
}
}
public void sendAll(Packet packet) {
Iterator iterator = this.b.iterator();
while (iterator.hasNext()) {
EntityPlayer entityplayer = (EntityPlayer) iterator.next();
if (!entityplayer.chunkCoordIntPairQueue.contains(this.location)) {
entityplayer.netServerHandler.sendPacket(packet);
}
}
}
public void a() {
if (this.dirtyCount != 0) {
int i;
int j;
int k;
if (this.dirtyCount == 1) {
i = this.location.x * 16 + (this.dirtyBlocks[0] >> 12 & 15);
j = this.dirtyBlocks[0] & 255;
k = this.location.z * 16 + (this.dirtyBlocks[0] >> 8 & 15);
this.sendAll(new Packet53BlockChange(i, j, k, PlayerManager.a(this.playerManager)));
if (PlayerManager.a(this.playerManager).isTileEntity(i, j, k)) {
this.sendTileEntity(PlayerManager.a(this.playerManager).getTileEntity(i, j, k));
}
} else {
int l;
if (this.dirtyCount == 64) {
i = this.location.x * 16;
j = this.location.z * 16;
this.sendAll(new Packet51MapChunk(PlayerManager.a(this.playerManager).getChunkAt(this.location.x, this.location.z), (this.f == 0xFFFF), this.f)); // CraftBukkit - send everything (including biome) if all sections flagged
for (k = 0; k < 16; ++k) {
if ((this.f & 1 << k) != 0) {
l = k << 4;
List list = PlayerManager.a(this.playerManager).getTileEntities(i, l, j, i + 16, l + 16, j + 16);
Iterator iterator = list.iterator();
while (iterator.hasNext()) {
TileEntity tileentity = (TileEntity) iterator.next();
this.sendTileEntity(tileentity);
}
}
}
} else {
this.sendAll(new Packet52MultiBlockChange(this.location.x, this.location.z, this.dirtyBlocks, this.dirtyCount, PlayerManager.a(this.playerManager)));
for (i = 0; i < this.dirtyCount; ++i) {
j = this.location.x * 16 + (this.dirtyBlocks[i] >> 12 & 15);
k = this.dirtyBlocks[i] & 255;
l = this.location.z * 16 + (this.dirtyBlocks[i] >> 8 & 15);
if (PlayerManager.a(this.playerManager).isTileEntity(j, k, l)) {
this.sendTileEntity(PlayerManager.a(this.playerManager).getTileEntity(j, k, l));
}
}
}
}
this.dirtyCount = 0;
this.f = 0;
}
}
private void sendTileEntity(TileEntity tileentity) {
if (tileentity != null) {
Packet packet = tileentity.e();
if (packet != null) {
this.sendAll(packet);
}
}
}
static ChunkCoordIntPair a(PlayerInstance playerinstance) {
return playerinstance.location;
}
static List b(PlayerInstance playerinstance) {
return playerinstance.b;
}
}
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