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package net.minecraft.server;
import java.util.ArrayList;
import java.util.List;
// CraftBukkit start
import org.bukkit.craftbukkit.chunkio.ChunkIOExecutor;
import java.util.HashMap;
// CraftBukkit end
class PlayerChunk {
private final List b;
private final ChunkCoordIntPair location;
private short[] dirtyBlocks;
private int dirtyCount;
private int f;
private long g;
final PlayerChunkMap playerChunkMap;
// CraftBukkit start - add fields
private final HashMap<EntityPlayer, Runnable> players = new HashMap<EntityPlayer, Runnable>();
private boolean loaded = false;
private Runnable loadedRunnable = new Runnable() {
public void run() {
PlayerChunk.this.loaded = true;
}
};
// CraftBukkit end
public PlayerChunk(PlayerChunkMap playerchunkmap, int i, int j) {
this.playerChunkMap = playerchunkmap;
this.b = new ArrayList();
this.dirtyBlocks = new short[64];
this.location = new ChunkCoordIntPair(i, j);
playerchunkmap.a().chunkProviderServer.getChunkAt(i, j, this.loadedRunnable); // CraftBukkit
}
public void a(final EntityPlayer entityplayer) { // CraftBukkit - added final to argument
if (this.b.contains(entityplayer)) {
PlayerChunkMap.c().debug("Failed to add player. {} already is in chunk {}, {}", new Object[] { entityplayer, Integer.valueOf(this.location.x), Integer.valueOf(this.location.z)});
} else {
if (this.b.isEmpty()) {
this.g = PlayerChunkMap.a(this.playerChunkMap).getTime();
}
this.b.add(entityplayer);
// CraftBukkit start - use async chunk io
Runnable playerRunnable;
if (this.loaded) {
playerRunnable = null;
entityplayer.chunkCoordIntPairQueue.add(this.location);
} else {
playerRunnable = new Runnable() {
public void run() {
entityplayer.chunkCoordIntPairQueue.add(PlayerChunk.this.location);
}
};
this.playerChunkMap.a().chunkProviderServer.getChunkAt(this.location.x, this.location.z, playerRunnable);
}
this.players.put(entityplayer, playerRunnable);
// CraftBukkit end
}
}
public void b(EntityPlayer entityplayer) {
if (this.b.contains(entityplayer)) {
// CraftBukkit start - If we haven't loaded yet don't load the chunk just so we can clean it up
if (!this.loaded) {
ChunkIOExecutor.dropQueuedChunkLoad(this.playerChunkMap.a(), this.location.x, this.location.z, this.players.get(entityplayer));
this.b.remove(entityplayer);
this.players.remove(entityplayer);
if (this.b.isEmpty()) {
ChunkIOExecutor.dropQueuedChunkLoad(this.playerChunkMap.a(), this.location.x, this.location.z, this.loadedRunnable);
long i = (long) this.location.x + 2147483647L | (long) this.location.z + 2147483647L << 32;
PlayerChunkMap.b(this.playerChunkMap).remove(i);
PlayerChunkMap.c(this.playerChunkMap).remove(this);
}
return;
}
// CraftBukkit end
Chunk chunk = PlayerChunkMap.a(this.playerChunkMap).getChunkAt(this.location.x, this.location.z);
if (chunk.k()) {
entityplayer.playerConnection.sendPacket(new PacketPlayOutMapChunk(chunk, true, 0));
}
this.players.remove(entityplayer); // CraftBukkit
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;
this.a(chunk);
PlayerChunkMap.b(this.playerChunkMap).remove(i);
PlayerChunkMap.c(this.playerChunkMap).remove(this);
if (this.dirtyCount > 0) {
PlayerChunkMap.d(this.playerChunkMap).remove(this);
}
this.playerChunkMap.a().chunkProviderServer.queueUnload(this.location.x, this.location.z);
}
}
}
public void a() {
this.a(PlayerChunkMap.a(this.playerChunkMap).getChunkAt(this.location.x, this.location.z));
}
private void a(Chunk chunk) {
chunk.s += PlayerChunkMap.a(this.playerChunkMap).getTime() - this.g;
this.g = PlayerChunkMap.a(this.playerChunkMap).getTime();
}
public void a(int i, int j, int k) {
if (this.dirtyCount == 0) {
PlayerChunkMap.d(this.playerChunkMap).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) {
for (int i = 0; i < this.b.size(); ++i) {
EntityPlayer entityplayer = (EntityPlayer) this.b.get(i);
if (!entityplayer.chunkCoordIntPairQueue.contains(this.location)) {
entityplayer.playerConnection.sendPacket(packet);
}
}
}
public void b() {
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 PacketPlayOutBlockChange(i, j, k, PlayerChunkMap.a(this.playerChunkMap)));
if (PlayerChunkMap.a(this.playerChunkMap).getType(i, j, k).isTileEntity()) {
this.sendTileEntity(PlayerChunkMap.a(this.playerChunkMap).getTileEntity(i, j, k));
}
} else {
int l;
if (this.dirtyCount == 64) {
i = this.location.x * 16;
j = this.location.z * 16;
this.sendAll(new PacketPlayOutMapChunk(PlayerChunkMap.a(this.playerChunkMap).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 = PlayerChunkMap.a(this.playerChunkMap).getTileEntities(i, l, j, i + 16, l + 16, j + 16);
for (int i1 = 0; i1 < list.size(); ++i1) {
this.sendTileEntity((TileEntity) list.get(i1));
}
}
}
} else {
this.sendAll(new PacketPlayOutMultiBlockChange(this.dirtyCount, this.dirtyBlocks, PlayerChunkMap.a(this.playerChunkMap).getChunkAt(this.location.x, this.location.z)));
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 (PlayerChunkMap.a(this.playerChunkMap).getType(j, k, l).isTileEntity()) {
this.sendTileEntity(PlayerChunkMap.a(this.playerChunkMap).getTileEntity(j, k, l));
}
}
}
}
this.dirtyCount = 0;
this.f = 0;
}
}
private void sendTileEntity(TileEntity tileentity) {
if (tileentity != null) {
Packet packet = tileentity.getUpdatePacket();
if (packet != null) {
this.sendAll(packet);
}
}
}
static ChunkCoordIntPair a(PlayerChunk playerchunk) {
return playerchunk.location;
}
static List b(PlayerChunk playerchunk) {
return playerchunk.b;
}
}
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