package net.minecraft.server;

import java.util.ArrayList;
import java.util.List;

class PlayerInstance {
	private List b;
	private int c;
	private int d;
	private ChunkCoordIntPair e;
	private short[] f;
	private int g;
	private int h;
	private int i;
	private int j;
	private int k;
	private int l;
	private int m;
	final PlayerManager a;

	public PlayerInstance(PlayerManager playermanager, int i, int j) {
		this.a = playermanager;
		this.b = new ArrayList();
		this.f = new short[10];
		this.g = 0;
		this.c = i;
		this.d = j;
		this.e = new ChunkCoordIntPair(i, j);
		playermanager.world.u.d(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.c + ", " + this.d);
		} else {
			entityplayer.g.add(this.e);
			entityplayer.a.b(new Packet50PreChunk(this.e.a, this.e.b, true));
			this.b.add(entityplayer);
			entityplayer.f.add(this.e);
		}
	}

	public void b(EntityPlayer entityplayer) {
		if (!this.b.contains(entityplayer)) {
			//(new IllegalStateException(
			//		"Failed to remove player. " + entityplayer + " isn't in chunk " + this.c + ", " + this.d))
			//		.printStackTrace();
		} else {
			this.b.remove(entityplayer);
			if (this.b.size() == 0) {
				long i = (long) this.c + 2147483647L | (long) this.d + 2147483647L << 32;
				PlayerManager.b(this.a).b(i);
				if (this.g > 0) {
					PlayerManager.c(this.a).remove(this);
				}

				((WorldServer) entityplayer.world).u.c(this.c, this.d);
			}

			entityplayer.f.remove(this.e);
			if (entityplayer.g.contains(this.e)) {
				entityplayer.a.b(new Packet50PreChunk(this.c, this.d, false));
			}
		}

	}

	public void a(int i, int j, int k) {
		if (this.g == 0) {
			PlayerManager.c(this.a).add(this);
			this.h = this.i = i;
			this.j = this.k = j;
			this.l = this.m = k;
		}

		if (this.h > i) {
			this.h = i;
		}

		if (this.i < i) {
			this.i = i;
		}

		if (this.j > j) {
			this.j = j;
		}

		if (this.k < j) {
			this.k = j;
		}

		if (this.l > k) {
			this.l = k;
		}

		if (this.m < k) {
			this.m = k;
		}

		if (this.g < 10) {
			short short1 = (short) (i << 12 | k << 8 | j);

			for (int l = 0; l < this.g; ++l) {
				if (this.f[l] == short1) {
					return;
				}
			}

			this.f[this.g++] = short1;
		}

	}

	public void a(Packet packet) {
		for (int i = 0; i < this.b.size(); ++i) {
			EntityPlayer entityplayer = (EntityPlayer) this.b.get(i);
			if (entityplayer.g.contains(this.e)) {
				entityplayer.a.b(packet);
			}
		}

	}

	public void a() {
		if (this.g != 0) {
			int i;
			int j;
			int k;
			if (this.g == 1) {
				i = this.c * 16 + this.h;
				j = this.j;
				k = this.d * 16 + this.l;
				this.a((Packet) (new Packet53BlockChange(i, j, k, this.a.world)));
				if (Block.p[this.a.world.getTypeId(i, j, k)]) {
					this.a(this.a.world.getTileEntity(i, j, k));
				}
			} else {
				int l;
				if (this.g == 10) {
					this.j = this.j / 2 * 2;
					this.k = (this.k / 2 + 1) * 2;
					i = this.h + this.c * 16;
					j = this.j;
					k = this.l + this.d * 16;
					l = this.i - this.h + 1;
					int i1 = this.k - this.j + 2;
					int j1 = this.m - this.l + 1;
					this.a((Packet) (new Packet51MapChunk(i, j, k, l, i1, j1, this.a.world)));
					List list = this.a.world.d(i, j, k, i + l, j + i1, k + j1);

					for (int k1 = 0; k1 < list.size(); ++k1) {
						this.a((TileEntity) list.get(k1));
					}
				} else {
					this.a((Packet) (new Packet52MultiBlockChange(this.c, this.d, this.f, this.g, this.a.world)));

					for (i = 0; i < this.g; ++i) {
						j = this.c * 16 + (this.g >> 12 & 15);
						k = this.g & 255;
						l = this.d * 16 + (this.g >> 8 & 15);
						if (Block.p[this.a.world.getTypeId(j, k, l)]) {
							System.out.println("Sending!");
							this.a(this.a.world.getTileEntity(j, k, l));
						}
					}
				}
			}

			this.g = 0;
		}

	}

	private void a(TileEntity tileentity) {
		if (tileentity != null) {
			Packet packet = tileentity.e();
			if (packet != null) {
				this.a(packet);
			}
		}

	}
}