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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 d;
public PlayerManager(MinecraftServer minecraftserver) {
this.d = minecraftserver;
}
public void a() {
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 a(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);
}
}
// CraftBukkit start
private final int[][] direction = new int[][] {
{ 1, 0 },
{ 0, 1 },
{ -1, 0 },
{ 0, -1 },
};
// CraftBukkit end
public void a(EntityPlayer entityplayer) {
int i = (int) entityplayer.locX >> 4;
int j = (int) entityplayer.locZ >> 4;
entityplayer.d = entityplayer.locX;
entityplayer.e = entityplayer.locZ;
// CraftBukkit start
int facing = 0;
int size = 10;
int dx = 0;
int dz = 0;
// Origin
this.a(i, j, true).a(entityplayer);
// All but the last leg
for (int legSize = 1; legSize <= size * 2; legSize++) {
for (int leg = 0; leg < 2; leg++) {
int[] dir = direction[ facing++ % 4 ];
for (int k = 0; k < legSize; k++ ) {
dx += dir[0];
dz += dir[1];
this.a(i + dx, j + dz, true).a(entityplayer);
}
}
}
// Final leg
facing %= 4;
for (int k = 0; k < size * 2; k++) {
dx += direction[facing][0];
dz += direction[facing][1];
this.a(i + dx, j + dz, true).a(entityplayer);
}
// CraftBukkit end
this.a.add(entityplayer);
}
public void b(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 c(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;
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.d;
}
static PlayerList b(PlayerManager playermanager) {
return playermanager.b;
}
static List c(PlayerManager playermanager) {
return playermanager.c;
}
}
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