package net.minecraft.world;
import com.google.common.collect.Sets;
import java.util.Iterator;
import java.util.List;
import java.util.Random;
import java.util.Set;
import net.minecraft.block.Block;
import net.minecraft.entity.EntityLiving;
import net.minecraft.entity.EntitySpawnPlacementRegistry;
import net.minecraft.entity.EnumCreatureType;
import net.minecraft.entity.IEntityLivingData;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.init.Blocks;
import net.minecraft.util.BlockPos;
import net.minecraft.util.MathHelper;
import net.minecraft.util.WeightedRandom;
import net.minecraft.world.biome.BiomeGenBase;
import net.minecraft.world.chunk.Chunk;
public final class SpawnerAnimals
{
private static final int field_180268_a = (int)Math.pow(17.0D, 2.0D);
/** The 17x17 area around the player where mobs can spawn */
private final Set eligibleChunksForSpawning = Sets.newHashSet();
private static final String __OBFID = "CL_00000152";
/**
* adds all chunks within the spawn radius of the players to eligibleChunksForSpawning. pars: the world,
* hostileCreatures, passiveCreatures. returns number of eligible chunks.
*/
public int findChunksForSpawning(WorldServer p_77192_1_, boolean p_77192_2_, boolean p_77192_3_, boolean p_77192_4_)
{
if (!p_77192_2_ && !p_77192_3_)
{
return 0;
}
else
{
this.eligibleChunksForSpawning.clear();
int var5 = 0;
Iterator var6 = p_77192_1_.playerEntities.iterator();
int var9;
int var12;
while (var6.hasNext())
{
EntityPlayer var7 = (EntityPlayer)var6.next();
if (!var7.func_175149_v())
{
int var8 = MathHelper.floor_double(var7.posX / 16.0D);
var9 = MathHelper.floor_double(var7.posZ / 16.0D);
byte var10 = 8;
for (int var11 = -var10; var11 <= var10; ++var11)
{
for (var12 = -var10; var12 <= var10; ++var12)
{
boolean var13 = var11 == -var10 || var11 == var10 || var12 == -var10 || var12 == var10;
ChunkCoordIntPair var14 = new ChunkCoordIntPair(var11 + var8, var12 + var9);
if (!this.eligibleChunksForSpawning.contains(var14))
{
++var5;
if (!var13 && p_77192_1_.getWorldBorder().contains(var14))
{
this.eligibleChunksForSpawning.add(var14);
}
}
}
}
}
}
int var36 = 0;
BlockPos var37 = p_77192_1_.getSpawnPoint();
EnumCreatureType[] var38 = EnumCreatureType.values();
var9 = var38.length;
for (int var39 = 0; var39 < var9; ++var39)
{
EnumCreatureType var40 = var38[var39];
if ((!var40.getPeacefulCreature() || p_77192_3_) && (var40.getPeacefulCreature() || p_77192_2_) && (!var40.getAnimal() || p_77192_4_))
{
var12 = p_77192_1_.countEntities(var40.getCreatureClass());
int var41 = var40.getMaxNumberOfCreature() * var5 / field_180268_a;
if (var12 <= var41)
{
Iterator var42 = this.eligibleChunksForSpawning.iterator();
label115:
while (var42.hasNext())
{
ChunkCoordIntPair var15 = (ChunkCoordIntPair)var42.next();
BlockPos var16 = func_180621_a(p_77192_1_, var15.chunkXPos, var15.chunkZPos);
int var17 = var16.getX();
int var18 = var16.getY();
int var19 = var16.getZ();
Block var20 = p_77192_1_.getBlockState(var16).getBlock();
if (!var20.isNormalCube())
{
int var21 = 0;
int var22 = 0;
while (var22 < 3)
{
int var23 = var17;
int var24 = var18;
int var25 = var19;
byte var26 = 6;
BiomeGenBase.SpawnListEntry var27 = null;
IEntityLivingData var28 = null;
int var29 = 0;
while (true)
{
if (var29 < 4)
{
label108:
{
var23 += p_77192_1_.rand.nextInt(var26) - p_77192_1_.rand.nextInt(var26);
var24 += p_77192_1_.rand.nextInt(1) - p_77192_1_.rand.nextInt(1);
var25 += p_77192_1_.rand.nextInt(var26) - p_77192_1_.rand.nextInt(var26);
BlockPos var30 = new BlockPos(var23, var24, var25);
float var31 = (float)var23 + 0.5F;
float var32 = (float)var25 + 0.5F;
if (!p_77192_1_.func_175636_b((double)var31, (double)var24, (double)var32, 24.0D) && var37.distanceSq((double)var31, (double)var24, (double)var32) >= 576.0D)
{
if (var27 == null)
{
var27 = p_77192_1_.func_175734_a(var40, var30);
if (var27 == null)
{
break label108;
}
}
if (p_77192_1_.func_175732_a(var40, var27, var30) && func_180267_a(EntitySpawnPlacementRegistry.func_180109_a(var27.entityClass), p_77192_1_, var30))
{
EntityLiving var33;
try
{
var33 = (EntityLiving)var27.entityClass.getConstructor(new Class[] {World.class}).newInstance(new Object[] {p_77192_1_});
}
catch (Exception var35)
{
var35.printStackTrace();
return var36;
}
var33.setLocationAndAngles((double)var31, (double)var24, (double)var32, p_77192_1_.rand.nextFloat() * 360.0F, 0.0F);
if (var33.getCanSpawnHere() && var33.handleLavaMovement())
{
var28 = var33.func_180482_a(p_77192_1_.getDifficultyForLocation(new BlockPos(var33)), var28);
if (var33.handleLavaMovement())
{
++var21;
p_77192_1_.spawnEntityInWorld(var33);
}
if (var21 >= var33.getMaxSpawnedInChunk())
{
continue label115;
}
}
var36 += var21;
}
}
++var29;
continue;
}
}
++var22;
break;
}
}
}
}
}
}
}
return var36;
}
}
protected static BlockPos func_180621_a(World worldIn, int p_180621_1_, int p_180621_2_)
{
Chunk var3 = worldIn.getChunkFromChunkCoords(p_180621_1_, p_180621_2_);
int var4 = p_180621_1_ * 16 + worldIn.rand.nextInt(16);
int var5 = p_180621_2_ * 16 + worldIn.rand.nextInt(16);
int var6 = MathHelper.func_154354_b(var3.getHeight(new BlockPos(var4, 0, var5)) + 1, 16);
int var7 = worldIn.rand.nextInt(var6 > 0 ? var6 : var3.getTopFilledSegment() + 16 - 1);
return new BlockPos(var4, var7, var5);
}
public static boolean func_180267_a(EntityLiving.SpawnPlacementType p_180267_0_, World worldIn, BlockPos p_180267_2_)
{
if (!worldIn.getWorldBorder().contains(p_180267_2_))
{
return false;
}
else
{
Block var3 = worldIn.getBlockState(p_180267_2_).getBlock();
if (p_180267_0_ == EntityLiving.SpawnPlacementType.IN_WATER)
{
return var3.getMaterial().isLiquid() && worldIn.getBlockState(p_180267_2_.offsetDown()).getBlock().getMaterial().isLiquid() && !worldIn.getBlockState(p_180267_2_.offsetUp()).getBlock().isNormalCube();
}
else
{
BlockPos var4 = p_180267_2_.offsetDown();
if (!World.doesBlockHaveSolidTopSurface(worldIn, var4))
{
return false;
}
else
{
Block var5 = worldIn.getBlockState(var4).getBlock();
boolean var6 = var5 != Blocks.bedrock && var5 != Blocks.barrier;
return var6 && !var3.isNormalCube() && !var3.getMaterial().isLiquid() && !worldIn.getBlockState(p_180267_2_.offsetUp()).getBlock().isNormalCube();
}
}
}
}
/**
* Called during chunk generation to spawn initial creatures.
*/
public static void performWorldGenSpawning(World worldIn, BiomeGenBase p_77191_1_, int p_77191_2_, int p_77191_3_, int p_77191_4_, int p_77191_5_, Random p_77191_6_)
{
List var7 = p_77191_1_.getSpawnableList(EnumCreatureType.CREATURE);
if (!var7.isEmpty())
{
while (p_77191_6_.nextFloat() < p_77191_1_.getSpawningChance())
{
BiomeGenBase.SpawnListEntry var8 = (BiomeGenBase.SpawnListEntry)WeightedRandom.getRandomItem(worldIn.rand, var7);
int var9 = var8.minGroupCount + p_77191_6_.nextInt(1 + var8.maxGroupCount - var8.minGroupCount);
IEntityLivingData var10 = null;
int var11 = p_77191_2_ + p_77191_6_.nextInt(p_77191_4_);
int var12 = p_77191_3_ + p_77191_6_.nextInt(p_77191_5_);
int var13 = var11;
int var14 = var12;
for (int var15 = 0; var15 < var9; ++var15)
{
boolean var16 = false;
for (int var17 = 0; !var16 && var17 < 4; ++var17)
{
BlockPos var18 = worldIn.func_175672_r(new BlockPos(var11, 0, var12));
if (func_180267_a(EntityLiving.SpawnPlacementType.ON_GROUND, worldIn, var18))
{
EntityLiving var19;
try
{
var19 = (EntityLiving)var8.entityClass.getConstructor(new Class[] {World.class}).newInstance(new Object[] {worldIn});
}
catch (Exception var21)
{
var21.printStackTrace();
continue;
}
var19.setLocationAndAngles((double)((float)var11 + 0.5F), (double)var18.getY(), (double)((float)var12 + 0.5F), p_77191_6_.nextFloat() * 360.0F, 0.0F);
worldIn.spawnEntityInWorld(var19);
var10 = var19.func_180482_a(worldIn.getDifficultyForLocation(new BlockPos(var19)), var10);
var16 = true;
}
var11 += p_77191_6_.nextInt(5) - p_77191_6_.nextInt(5);
for (var12 += p_77191_6_.nextInt(5) - p_77191_6_.nextInt(5); var11 < p_77191_2_ || var11 >= p_77191_2_ + p_77191_4_ || var12 < p_77191_3_ || var12 >= p_77191_3_ + p_77191_4_; var12 = var14 + p_77191_6_.nextInt(5) - p_77191_6_.nextInt(5))
{
var11 = var13 + p_77191_6_.nextInt(5) - p_77191_6_.nextInt(5);
}
}
}
}
}
}
}