package net.minecraft.world.gen;
import com.google.common.base.Objects;
import java.util.Random;
import net.minecraft.block.BlockSand;
import net.minecraft.block.material.Material;
import net.minecraft.block.state.IBlockState;
import net.minecraft.init.Blocks;
import net.minecraft.util.BlockPos;
import net.minecraft.util.MathHelper;
import net.minecraft.world.World;
import net.minecraft.world.chunk.ChunkPrimer;
public class MapGenCaves extends MapGenBase
{
private static final String __OBFID = "CL_00000393";
protected void func_180703_a(long p_180703_1_, int p_180703_3_, int p_180703_4_, ChunkPrimer p_180703_5_, double p_180703_6_, double p_180703_8_, double p_180703_10_)
{
this.func_180702_a(p_180703_1_, p_180703_3_, p_180703_4_, p_180703_5_, p_180703_6_, p_180703_8_, p_180703_10_, 1.0F + this.rand.nextFloat() * 6.0F, 0.0F, 0.0F, -1, -1, 0.5D);
}
protected void func_180702_a(long p_180702_1_, int p_180702_3_, int p_180702_4_, ChunkPrimer p_180702_5_, double p_180702_6_, double p_180702_8_, double p_180702_10_, float p_180702_12_, float p_180702_13_, float p_180702_14_, int p_180702_15_, int p_180702_16_, double p_180702_17_)
{
double var19 = (double)(p_180702_3_ * 16 + 8);
double var21 = (double)(p_180702_4_ * 16 + 8);
float var23 = 0.0F;
float var24 = 0.0F;
Random var25 = new Random(p_180702_1_);
if (p_180702_16_ <= 0)
{
int var26 = this.range * 16 - 16;
p_180702_16_ = var26 - var25.nextInt(var26 / 4);
}
boolean var54 = false;
if (p_180702_15_ == -1)
{
p_180702_15_ = p_180702_16_ / 2;
var54 = true;
}
int var27 = var25.nextInt(p_180702_16_ / 2) + p_180702_16_ / 4;
for (boolean var28 = var25.nextInt(6) == 0; p_180702_15_ < p_180702_16_; ++p_180702_15_)
{
double var29 = 1.5D + (double)(MathHelper.sin((float)p_180702_15_ * (float)Math.PI / (float)p_180702_16_) * p_180702_12_ * 1.0F);
double var31 = var29 * p_180702_17_;
float var33 = MathHelper.cos(p_180702_14_);
float var34 = MathHelper.sin(p_180702_14_);
p_180702_6_ += (double)(MathHelper.cos(p_180702_13_) * var33);
p_180702_8_ += (double)var34;
p_180702_10_ += (double)(MathHelper.sin(p_180702_13_) * var33);
if (var28)
{
p_180702_14_ *= 0.92F;
}
else
{
p_180702_14_ *= 0.7F;
}
p_180702_14_ += var24 * 0.1F;
p_180702_13_ += var23 * 0.1F;
var24 *= 0.9F;
var23 *= 0.75F;
var24 += (var25.nextFloat() - var25.nextFloat()) * var25.nextFloat() * 2.0F;
var23 += (var25.nextFloat() - var25.nextFloat()) * var25.nextFloat() * 4.0F;
if (!var54 && p_180702_15_ == var27 && p_180702_12_ > 1.0F && p_180702_16_ > 0)
{
this.func_180702_a(var25.nextLong(), p_180702_3_, p_180702_4_, p_180702_5_, p_180702_6_, p_180702_8_, p_180702_10_, var25.nextFloat() * 0.5F + 0.5F, p_180702_13_ - ((float)Math.PI / 2F), p_180702_14_ / 3.0F, p_180702_15_, p_180702_16_, 1.0D);
this.func_180702_a(var25.nextLong(), p_180702_3_, p_180702_4_, p_180702_5_, p_180702_6_, p_180702_8_, p_180702_10_, var25.nextFloat() * 0.5F + 0.5F, p_180702_13_ + ((float)Math.PI / 2F), p_180702_14_ / 3.0F, p_180702_15_, p_180702_16_, 1.0D);
return;
}
if (var54 || var25.nextInt(4) != 0)
{
double var35 = p_180702_6_ - var19;
double var37 = p_180702_10_ - var21;
double var39 = (double)(p_180702_16_ - p_180702_15_);
double var41 = (double)(p_180702_12_ + 2.0F + 16.0F);
if (var35 * var35 + var37 * var37 - var39 * var39 > var41 * var41)
{
return;
}
if (p_180702_6_ >= var19 - 16.0D - var29 * 2.0D && p_180702_10_ >= var21 - 16.0D - var29 * 2.0D && p_180702_6_ <= var19 + 16.0D + var29 * 2.0D && p_180702_10_ <= var21 + 16.0D + var29 * 2.0D)
{
int var55 = MathHelper.floor_double(p_180702_6_ - var29) - p_180702_3_ * 16 - 1;
int var36 = MathHelper.floor_double(p_180702_6_ + var29) - p_180702_3_ * 16 + 1;
int var56 = MathHelper.floor_double(p_180702_8_ - var31) - 1;
int var38 = MathHelper.floor_double(p_180702_8_ + var31) + 1;
int var57 = MathHelper.floor_double(p_180702_10_ - var29) - p_180702_4_ * 16 - 1;
int var40 = MathHelper.floor_double(p_180702_10_ + var29) - p_180702_4_ * 16 + 1;
if (var55 < 0)
{
var55 = 0;
}
if (var36 > 16)
{
var36 = 16;
}
if (var56 < 1)
{
var56 = 1;
}
if (var38 > 248)
{
var38 = 248;
}
if (var57 < 0)
{
var57 = 0;
}
if (var40 > 16)
{
var40 = 16;
}
boolean var58 = false;
int var42;
for (var42 = var55; !var58 && var42 < var36; ++var42)
{
for (int var43 = var57; !var58 && var43 < var40; ++var43)
{
for (int var44 = var38 + 1; !var58 && var44 >= var56 - 1; --var44)
{
if (var44 >= 0 && var44 < 256)
{
IBlockState var45 = p_180702_5_.getBlockState(var42, var44, var43);
if (var45.getBlock() == Blocks.flowing_water || var45.getBlock() == Blocks.water)
{
var58 = true;
}
if (var44 != var56 - 1 && var42 != var55 && var42 != var36 - 1 && var43 != var57 && var43 != var40 - 1)
{
var44 = var56;
}
}
}
}
}
if (!var58)
{
for (var42 = var55; var42 < var36; ++var42)
{
double var59 = ((double)(var42 + p_180702_3_ * 16) + 0.5D - p_180702_6_) / var29;
for (int var60 = var57; var60 < var40; ++var60)
{
double var46 = ((double)(var60 + p_180702_4_ * 16) + 0.5D - p_180702_10_) / var29;
boolean var48 = false;
if (var59 * var59 + var46 * var46 < 1.0D)
{
for (int var49 = var38; var49 > var56; --var49)
{
double var50 = ((double)(var49 - 1) + 0.5D - p_180702_8_) / var31;
if (var50 > -0.7D && var59 * var59 + var50 * var50 + var46 * var46 < 1.0D)
{
IBlockState var52 = p_180702_5_.getBlockState(var42, var49, var60);
IBlockState var53 = (IBlockState)Objects.firstNonNull(p_180702_5_.getBlockState(var42, var49 + 1, var60), Blocks.air.getDefaultState());
if (var52.getBlock() == Blocks.grass || var52.getBlock() == Blocks.mycelium)
{
var48 = true;
}
if (this.func_175793_a(var52, var53))
{
if (var49 - 1 < 10)
{
p_180702_5_.setBlockState(var42, var49, var60, Blocks.lava.getDefaultState());
}
else
{
p_180702_5_.setBlockState(var42, var49, var60, Blocks.air.getDefaultState());
if (var53.getBlock() == Blocks.sand)
{
p_180702_5_.setBlockState(var42, var49 + 1, var60, var53.getValue(BlockSand.VARIANT_PROP) == BlockSand.EnumType.RED_SAND ? Blocks.red_sandstone.getDefaultState() : Blocks.sandstone.getDefaultState());
}
if (var48 && p_180702_5_.getBlockState(var42, var49 - 1, var60).getBlock() == Blocks.dirt)
{
p_180702_5_.setBlockState(var42, var49 - 1, var60, this.worldObj.getBiomeGenForCoords(new BlockPos(var42 + p_180702_3_ * 16, 0, var60 + p_180702_4_ * 16)).topBlock.getBlock().getDefaultState());
}
}
}
}
}
}
}
}
if (var54)
{
break;
}
}
}
}
}
}
protected boolean func_175793_a(IBlockState p_175793_1_, IBlockState p_175793_2_)
{
return p_175793_1_.getBlock() == Blocks.stone ? true : (p_175793_1_.getBlock() == Blocks.dirt ? true : (p_175793_1_.getBlock() == Blocks.grass ? true : (p_175793_1_.getBlock() == Blocks.hardened_clay ? true : (p_175793_1_.getBlock() == Blocks.stained_hardened_clay ? true : (p_175793_1_.getBlock() == Blocks.sandstone ? true : (p_175793_1_.getBlock() == Blocks.red_sandstone ? true : (p_175793_1_.getBlock() == Blocks.mycelium ? true : (p_175793_1_.getBlock() == Blocks.snow_layer ? true : (p_175793_1_.getBlock() == Blocks.sand || p_175793_1_.getBlock() == Blocks.gravel) && p_175793_2_.getBlock().getMaterial() != Material.water))))))));
}
protected void func_180701_a(World worldIn, int p_180701_2_, int p_180701_3_, int p_180701_4_, int p_180701_5_, ChunkPrimer p_180701_6_)
{
int var7 = this.rand.nextInt(this.rand.nextInt(this.rand.nextInt(15) + 1) + 1);
if (this.rand.nextInt(7) != 0)
{
var7 = 0;
}
for (int var8 = 0; var8 < var7; ++var8)
{
double var9 = (double)(p_180701_2_ * 16 + this.rand.nextInt(16));
double var11 = (double)this.rand.nextInt(this.rand.nextInt(120) + 8);
double var13 = (double)(p_180701_3_ * 16 + this.rand.nextInt(16));
int var15 = 1;
if (this.rand.nextInt(4) == 0)
{
this.func_180703_a(this.rand.nextLong(), p_180701_4_, p_180701_5_, p_180701_6_, var9, var11, var13);
var15 += this.rand.nextInt(4);
}
for (int var16 = 0; var16 < var15; ++var16)
{
float var17 = this.rand.nextFloat() * (float)Math.PI * 2.0F;
float var18 = (this.rand.nextFloat() - 0.5F) * 2.0F / 8.0F;
float var19 = this.rand.nextFloat() * 2.0F + this.rand.nextFloat();
if (this.rand.nextInt(10) == 0)
{
var19 *= this.rand.nextFloat() * this.rand.nextFloat() * 3.0F + 1.0F;
}
this.func_180702_a(this.rand.nextLong(), p_180701_4_, p_180701_5_, p_180701_6_, var9, var11, var13, var19, var17, var18, 0, 0, 1.0D);
}
}
}
}