package net.minecraft.world.gen.feature;

import java.util.Random;
import net.minecraft.block.Block;
import net.minecraft.init.Blocks;
import net.minecraft.util.MathHelper;
import net.minecraft.world.World;

public class WorldGenMinable extends WorldGenerator
{
	private Block field_150519_a;
	private int numberOfBlocks;
	private Block field_150518_c;
	private static final String __OBFID = "CL_00000426";
	private int mineableBlockMeta;

	public WorldGenMinable(Block p_i45459_1_, int p_i45459_2_)
	{
		this(p_i45459_1_, p_i45459_2_, Blocks.stone);
	}

	public WorldGenMinable(Block p_i45460_1_, int p_i45460_2_, Block p_i45460_3_)
	{
		this.field_150519_a = p_i45460_1_;
		this.numberOfBlocks = p_i45460_2_;
		this.field_150518_c = p_i45460_3_;
	}

	public WorldGenMinable(Block block, int meta, int number, Block target)
	{
		this(block, number, target);
		this.mineableBlockMeta = meta;
	}

	public boolean generate(World par1World, Random par2Random, int par3, int par4, int par5)
	{
		float f = par2Random.nextFloat() * (float)Math.PI;
		double d0 = (double)((float)(par3 + 8) + MathHelper.sin(f) * (float)this.numberOfBlocks / 8.0F);
		double d1 = (double)((float)(par3 + 8) - MathHelper.sin(f) * (float)this.numberOfBlocks / 8.0F);
		double d2 = (double)((float)(par5 + 8) + MathHelper.cos(f) * (float)this.numberOfBlocks / 8.0F);
		double d3 = (double)((float)(par5 + 8) - MathHelper.cos(f) * (float)this.numberOfBlocks / 8.0F);
		double d4 = (double)(par4 + par2Random.nextInt(3) - 2);
		double d5 = (double)(par4 + par2Random.nextInt(3) - 2);

		for (int l = 0; l <= this.numberOfBlocks; ++l)
		{
			double d6 = d0 + (d1 - d0) * (double)l / (double)this.numberOfBlocks;
			double d7 = d4 + (d5 - d4) * (double)l / (double)this.numberOfBlocks;
			double d8 = d2 + (d3 - d2) * (double)l / (double)this.numberOfBlocks;
			double d9 = par2Random.nextDouble() * (double)this.numberOfBlocks / 16.0D;
			double d10 = (double)(MathHelper.sin((float)l * (float)Math.PI / (float)this.numberOfBlocks) + 1.0F) * d9 + 1.0D;
			double d11 = (double)(MathHelper.sin((float)l * (float)Math.PI / (float)this.numberOfBlocks) + 1.0F) * d9 + 1.0D;
			int i1 = MathHelper.floor_double(d6 - d10 / 2.0D);
			int j1 = MathHelper.floor_double(d7 - d11 / 2.0D);
			int k1 = MathHelper.floor_double(d8 - d10 / 2.0D);
			int l1 = MathHelper.floor_double(d6 + d10 / 2.0D);
			int i2 = MathHelper.floor_double(d7 + d11 / 2.0D);
			int j2 = MathHelper.floor_double(d8 + d10 / 2.0D);

			for (int k2 = i1; k2 <= l1; ++k2)
			{
				double d12 = ((double)k2 + 0.5D - d6) / (d10 / 2.0D);

				if (d12 * d12 < 1.0D)
				{
					for (int l2 = j1; l2 <= i2; ++l2)
					{
						double d13 = ((double)l2 + 0.5D - d7) / (d11 / 2.0D);

						if (d12 * d12 + d13 * d13 < 1.0D)
						{
							for (int i3 = k1; i3 <= j2; ++i3)
							{
								double d14 = ((double)i3 + 0.5D - d8) / (d10 / 2.0D);

								if (d12 * d12 + d13 * d13 + d14 * d14 < 1.0D && par1World.getBlock(k2, l2, i3).isReplaceableOreGen(par1World, k2, l2, i3, field_150518_c))
								{
									par1World.setBlock(k2, l2, i3, this.field_150519_a, mineableBlockMeta, 2);
								}
							}
						}
					}
				}
			}
		}

		return true;
	}
}