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package net.minecraft.server;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Set;
// CraftBukkit
import org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason;
public final class SpawnerCreature {
private static Set b = new HashSet();
protected static final Class[] a = new Class[] { EntitySpider.class, EntityZombie.class, EntitySkeleton.class};
public SpawnerCreature() {}
protected static ChunkPosition a(World world, int i, int j) {
int k = i + world.random.nextInt(16);
int l = world.random.nextInt(128);
int i1 = j + world.random.nextInt(16);
return new ChunkPosition(k, l, i1);
}
public static final int spawnEntities(World world, boolean flag, boolean flag1) {
if (!flag && !flag1) {
return 0;
} else {
b.clear();
int i;
int j;
for (i = 0; i < world.players.size(); ++i) {
EntityHuman entityhuman = (EntityHuman) world.players.get(i);
int k = MathHelper.floor(entityhuman.locX / 16.0D);
j = MathHelper.floor(entityhuman.locZ / 16.0D);
byte b0 = 8;
for (int l = -b0; l <= b0; ++l) {
for (int i1 = -b0; i1 <= b0; ++i1) {
b.add(new ChunkCoordIntPair(l + k, i1 + j));
}
}
}
i = 0;
ChunkCoordinates chunkcoordinates = world.getSpawn();
EnumCreatureType[] aenumcreaturetype = EnumCreatureType.values();
j = aenumcreaturetype.length;
for (int j1 = 0; j1 < j; ++j1) {
EnumCreatureType enumcreaturetype = aenumcreaturetype[j1];
if ((!enumcreaturetype.d() || flag1) && (enumcreaturetype.d() || flag) && world.a(enumcreaturetype.a()) <= enumcreaturetype.b() * b.size() / 256) {
Iterator iterator = b.iterator();
label113:
while (iterator.hasNext()) {
ChunkCoordIntPair chunkcoordintpair = (ChunkCoordIntPair) iterator.next();
BiomeBase biomebase = world.getWorldChunkManager().a(chunkcoordintpair);
List list = biomebase.a(enumcreaturetype);
if (list != null && !list.isEmpty()) {
int k1 = 0;
BiomeMeta biomemeta;
for (Iterator iterator1 = list.iterator(); iterator1.hasNext(); k1 += biomemeta.b) {
biomemeta = (BiomeMeta) iterator1.next();
}
int l1 = world.random.nextInt(k1);
biomemeta = (BiomeMeta) list.get(0);
Iterator iterator2 = list.iterator();
while (iterator2.hasNext()) {
BiomeMeta biomemeta1 = (BiomeMeta) iterator2.next();
l1 -= biomemeta1.b;
if (l1 < 0) {
biomemeta = biomemeta1;
break;
}
}
ChunkPosition chunkposition = a(world, chunkcoordintpair.x * 16, chunkcoordintpair.z * 16);
int i2 = chunkposition.x;
int j2 = chunkposition.y;
int k2 = chunkposition.z;
if (!world.d(i2, j2, k2) && world.getMaterial(i2, j2, k2) == enumcreaturetype.c()) {
int l2 = 0;
for (int i3 = 0; i3 < 3; ++i3) {
int j3 = i2;
int k3 = j2;
int l3 = k2;
byte b1 = 6;
for (int i4 = 0; i4 < 4; ++i4) {
j3 += world.random.nextInt(b1) - world.random.nextInt(b1);
k3 += world.random.nextInt(1) - world.random.nextInt(1);
l3 += world.random.nextInt(b1) - world.random.nextInt(b1);
if (a(enumcreaturetype, world, j3, k3, l3)) {
float f = (float) j3 + 0.5F;
float f1 = (float) k3;
float f2 = (float) l3 + 0.5F;
if (world.a((double) f, (double) f1, (double) f2, 24.0D) == null) {
float f3 = f - (float) chunkcoordinates.x;
float f4 = f1 - (float) chunkcoordinates.y;
float f5 = f2 - (float) chunkcoordinates.z;
float f6 = f3 * f3 + f4 * f4 + f5 * f5;
if (f6 >= 576.0F) {
EntityLiving entityliving;
try {
entityliving = (EntityLiving) biomemeta.a.getConstructor(new Class[] { World.class}).newInstance(new Object[] { world});
} catch (Exception exception) {
exception.printStackTrace();
return i;
}
entityliving.setPositionRotation((double) f, (double) f1, (double) f2, world.random.nextFloat() * 360.0F, 0.0F);
if (entityliving.d()) {
++l2;
// CraftBukkit - added a reason for spawning this creature
world.addEntity(entityliving, SpawnReason.NATURAL);
a(entityliving, world, f, f1, f2);
if (l2 >= entityliving.l()) {
continue label113;
}
}
i += l2;
}
}
}
}
}
}
}
}
}
}
return i;
}
}
private static boolean a(EnumCreatureType enumcreaturetype, World world, int i, int j, int k) {
return enumcreaturetype.c() == Material.WATER ? world.getMaterial(i, j, k).isLiquid() && !world.d(i, j + 1, k) : world.d(i, j - 1, k) && !world.d(i, j, k) && !world.getMaterial(i, j, k).isLiquid() && !world.d(i, j + 1, k);
}
private static void a(EntityLiving entityliving, World world, float f, float f1, float f2) {
if (entityliving instanceof EntitySpider && world.random.nextInt(100) == 0) {
EntitySkeleton entityskeleton = new EntitySkeleton(world);
entityskeleton.setPositionRotation((double) f, (double) f1, (double) f2, entityliving.yaw, 0.0F);
// CraftBukkit - added a reason for spawning this creature
world.addEntity(entityskeleton, SpawnReason.NATURAL);
entityskeleton.mount(entityliving);
} else if (entityliving instanceof EntitySheep) {
((EntitySheep) entityliving).setColor(EntitySheep.a(world.random));
}
}
public static boolean a(World world, List list) {
boolean flag = false;
Pathfinder pathfinder = new Pathfinder(world);
Iterator iterator = list.iterator();
while (iterator.hasNext()) {
EntityHuman entityhuman = (EntityHuman) iterator.next();
Class[] aclass = a;
if (aclass != null && aclass.length != 0) {
boolean flag1 = false;
for (int i = 0; i < 20 && !flag1; ++i) {
int j = MathHelper.floor(entityhuman.locX) + world.random.nextInt(32) - world.random.nextInt(32);
int k = MathHelper.floor(entityhuman.locZ) + world.random.nextInt(32) - world.random.nextInt(32);
int l = MathHelper.floor(entityhuman.locY) + world.random.nextInt(16) - world.random.nextInt(16);
if (l < 1) {
l = 1;
} else if (l > 128) {
l = 128;
}
int i1 = world.random.nextInt(aclass.length);
int j1;
for (j1 = l; j1 > 2 && !world.d(j, j1 - 1, k); --j1) {
;
}
while (!a(EnumCreatureType.MONSTER, world, j, j1, k) && j1 < l + 16 && j1 < 128) {
++j1;
}
if (j1 < l + 16 && j1 < 128) {
float f = (float) j + 0.5F;
float f1 = (float) j1;
float f2 = (float) k + 0.5F;
EntityLiving entityliving;
try {
entityliving = (EntityLiving) aclass[i1].getConstructor(new Class[] { World.class}).newInstance(new Object[] { world});
} catch (Exception exception) {
exception.printStackTrace();
return flag;
}
entityliving.setPositionRotation((double) f, (double) f1, (double) f2, world.random.nextFloat() * 360.0F, 0.0F);
if (entityliving.d()) {
PathEntity pathentity = pathfinder.a(entityliving, entityhuman, 32.0F);
if (pathentity != null && pathentity.a > 1) {
PathPoint pathpoint = pathentity.c();
if (Math.abs((double) pathpoint.a - entityhuman.locX) < 1.5D && Math.abs((double) pathpoint.c - entityhuman.locZ) < 1.5D && Math.abs((double) pathpoint.b - entityhuman.locY) < 1.5D) {
ChunkCoordinates chunkcoordinates = BlockBed.g(world, MathHelper.floor(entityhuman.locX), MathHelper.floor(entityhuman.locY), MathHelper.floor(entityhuman.locZ), 1);
if (chunkcoordinates == null) {
chunkcoordinates = new ChunkCoordinates(j, j1 + 1, k);
}
entityliving.setPositionRotation((double) ((float) chunkcoordinates.x + 0.5F), (double) chunkcoordinates.y, (double) ((float) chunkcoordinates.z + 0.5F), 0.0F, 0.0F);
// CraftBukkit - added a reason for spawning this creature
world.addEntity(entityliving, SpawnReason.BED);
a(entityliving, world, (float) chunkcoordinates.x + 0.5F, (float) chunkcoordinates.y, (float) chunkcoordinates.z + 0.5F);
entityhuman.a(true, false, false);
entityliving.P();
flag = true;
flag1 = true;
}
}
}
}
}
}
}
return flag;
}
}
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