package net.minecraft.world.gen.feature;
import java.util.Random;
import net.minecraft.block.Block;
import net.minecraft.entity.item.EntityEnderCrystal;
import net.minecraft.world.World;
public class WorldGenSpikes extends WorldGenerator
{
/**
* The Block ID that the generator is allowed to replace while generating the terrain.
*/
private int replaceID;
public WorldGenSpikes(int par1)
{
this.replaceID = par1;
}
public boolean generate(World par1World, Random par2Random, int par3, int par4, int par5)
{
if (par1World.isAirBlock(par3, par4, par5) && par1World.getBlockId(par3, par4 - 1, par5) == this.replaceID)
{
int var6 = par2Random.nextInt(32) + 6;
int var7 = par2Random.nextInt(4) + 1;
int var8;
int var9;
int var10;
int var11;
for (var8 = par3 - var7; var8 <= par3 + var7; ++var8)
{
for (var9 = par5 - var7; var9 <= par5 + var7; ++var9)
{
var10 = var8 - par3;
var11 = var9 - par5;
if (var10 * var10 + var11 * var11 <= var7 * var7 + 1 && par1World.getBlockId(var8, par4 - 1, var9) != this.replaceID)
{
return false;
}
}
}
for (var8 = par4; var8 < par4 + var6 && var8 < 128; ++var8)
{
for (var9 = par3 - var7; var9 <= par3 + var7; ++var9)
{
for (var10 = par5 - var7; var10 <= par5 + var7; ++var10)
{
var11 = var9 - par3;
int var12 = var10 - par5;
if (var11 * var11 + var12 * var12 <= var7 * var7 + 1)
{
par1World.setBlockWithNotify(var9, var8, var10, Block.obsidian.blockID);
}
}
}
}
EntityEnderCrystal var13 = new EntityEnderCrystal(par1World);
var13.setLocationAndAngles((double)((float)par3 + 0.5F), (double)(par4 + var6), (double)((float)par5 + 0.5F), par2Random.nextFloat() * 360.0F, 0.0F);
par1World.spawnEntityInWorld(var13);
par1World.setBlockWithNotify(par3, par4 + var6, par5, Block.bedrock.blockID);
return true;
}
else
{
return false;
}
}
}