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package net.minecraft.server;
import java.util.ArrayList;
import java.util.List;
public class PlayerManager {
private List a = new ArrayList();
private PlayerList b = new PlayerList();
private List c = new ArrayList();
private MinecraftServer server;
private final int[][] e = new int[][] { { 1, 0}, { 0, 1}, { -1, 0}, { 0, -1}};
// CraftBukkit start
public WorldServer world;
// CraftBukkit - change of method signature
public PlayerManager(MinecraftServer minecraftserver, WorldServer world) {
this.world = world;
// CraftBukkit end
this.server = minecraftserver;
}
public void flush() {
for (int i = 0; i < this.c.size(); ++i) {
((PlayerInstance) this.c.get(i)).a();
}
this.c.clear();
}
private PlayerInstance a(int i, int j, boolean flag) {
long k = (long) i + 2147483647L | (long) j + 2147483647L << 32;
PlayerInstance playerinstance = (PlayerInstance) this.b.a(k);
if (playerinstance == null && flag) {
playerinstance = new PlayerInstance(this, i, j);
this.b.a(k, playerinstance);
}
return playerinstance;
}
public void flagDirty(int i, int j, int k) {
int l = i >> 4;
int i1 = k >> 4;
PlayerInstance playerinstance = this.a(l, i1, false);
if (playerinstance != null) {
playerinstance.a(i & 15, j, k & 15);
}
}
public void addPlayer(EntityPlayer entityplayer) {
int i = (int) entityplayer.locX >> 4;
int j = (int) entityplayer.locZ >> 4;
entityplayer.d = entityplayer.locX;
entityplayer.e = entityplayer.locZ;
int k = 0;
byte b0 = 10;
int l = 0;
int i1 = 0;
this.a(i, j, true).a(entityplayer);
int j1;
for (j1 = 1; j1 <= b0 * 2; ++j1) {
for (int k1 = 0; k1 < 2; ++k1) {
int[] aint = this.e[k++ % 4];
for (int l1 = 0; l1 < j1; ++l1) {
l += aint[0];
i1 += aint[1];
this.a(i + l, j + i1, true).a(entityplayer);
}
}
}
k %= 4;
for (j1 = 0; j1 < b0 * 2; ++j1) {
l += this.e[k][0];
i1 += this.e[k][1];
this.a(i + l, j + i1, true).a(entityplayer);
}
this.a.add(entityplayer);
}
public void removePlayer(EntityPlayer entityplayer) {
int i = (int) entityplayer.d >> 4;
int j = (int) entityplayer.e >> 4;
for (int k = i - 10; k <= i + 10; ++k) {
for (int l = j - 10; l <= j + 10; ++l) {
PlayerInstance playerinstance = this.a(k, l, false);
if (playerinstance != null) {
playerinstance.b(entityplayer);
}
}
}
this.a.remove(entityplayer);
}
private boolean a(int i, int j, int k, int l) {
int i1 = i - k;
int j1 = j - l;
return i1 >= -10 && i1 <= 10 ? j1 >= -10 && j1 <= 10 : false;
}
public void movePlayer(EntityPlayer entityplayer) {
int i = (int) entityplayer.locX >> 4;
int j = (int) entityplayer.locZ >> 4;
double d0 = entityplayer.d - entityplayer.locX;
double d1 = entityplayer.e - entityplayer.locZ;
double d2 = d0 * d0 + d1 * d1;
if (d2 >= 64.0D) {
int k = (int) entityplayer.d >> 4;
int l = (int) entityplayer.e >> 4;
int i1 = i - k;
int j1 = j - l;
// CraftBukkit start
if (i1 > 10 || i1 < -10 || j1 > 10 || j1 < -10) {
this.removePlayer(entityplayer);
this.addPlayer(entityplayer);
return;
}
// CraftBukkit end
if (i1 != 0 || j1 != 0) {
for (int k1 = i - 10; k1 <= i + 10; ++k1) {
for (int l1 = j - 10; l1 <= j + 10; ++l1) {
if (!this.a(k1, l1, k, l)) {
this.a(k1, l1, true).a(entityplayer);
}
if (!this.a(k1 - i1, l1 - j1, i, j)) {
PlayerInstance playerinstance = this.a(k1 - i1, l1 - j1, false);
if (playerinstance != null) {
playerinstance.b(entityplayer);
}
}
}
}
entityplayer.d = entityplayer.locX;
entityplayer.e = entityplayer.locZ;
}
}
}
public int b() {
return 144;
}
static MinecraftServer a(PlayerManager playermanager) {
return playermanager.server;
}
static PlayerList b(PlayerManager playermanager) {
return playermanager.b;
}
static List c(PlayerManager playermanager) {
return playermanager.c;
}
}
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