001package net.minecraft.world.gen.feature;
002
003import java.util.Random;
004import net.minecraft.block.Block;
005import net.minecraft.util.MathHelper;
006import net.minecraft.world.World;
007
008public class WorldGenMinable extends WorldGenerator
009{
010    /** The block ID of the ore to be placed using this generator. */
011    private int minableBlockId;
012    private int minableBlockMeta = 0;
013
014    /** The number of blocks to generate. */
015    private int numberOfBlocks;
016
017    public WorldGenMinable(int par1, int par2)
018    {
019        this.minableBlockId = par1;
020        this.numberOfBlocks = par2;
021    }
022
023    public WorldGenMinable(int id, int meta, int number)
024    {
025        this(id, number);
026        minableBlockMeta = meta;
027    }
028
029    public boolean generate(World par1World, Random par2Random, int par3, int par4, int par5)
030    {
031        float var6 = par2Random.nextFloat() * (float)Math.PI;
032        double var7 = (double)((float)(par3 + 8) + MathHelper.sin(var6) * (float)this.numberOfBlocks / 8.0F);
033        double var9 = (double)((float)(par3 + 8) - MathHelper.sin(var6) * (float)this.numberOfBlocks / 8.0F);
034        double var11 = (double)((float)(par5 + 8) + MathHelper.cos(var6) * (float)this.numberOfBlocks / 8.0F);
035        double var13 = (double)((float)(par5 + 8) - MathHelper.cos(var6) * (float)this.numberOfBlocks / 8.0F);
036        double var15 = (double)(par4 + par2Random.nextInt(3) - 2);
037        double var17 = (double)(par4 + par2Random.nextInt(3) - 2);
038
039        for (int var19 = 0; var19 <= this.numberOfBlocks; ++var19)
040        {
041            double var20 = var7 + (var9 - var7) * (double)var19 / (double)this.numberOfBlocks;
042            double var22 = var15 + (var17 - var15) * (double)var19 / (double)this.numberOfBlocks;
043            double var24 = var11 + (var13 - var11) * (double)var19 / (double)this.numberOfBlocks;
044            double var26 = par2Random.nextDouble() * (double)this.numberOfBlocks / 16.0D;
045            double var28 = (double)(MathHelper.sin((float)var19 * (float)Math.PI / (float)this.numberOfBlocks) + 1.0F) * var26 + 1.0D;
046            double var30 = (double)(MathHelper.sin((float)var19 * (float)Math.PI / (float)this.numberOfBlocks) + 1.0F) * var26 + 1.0D;
047            int var32 = MathHelper.floor_double(var20 - var28 / 2.0D);
048            int var33 = MathHelper.floor_double(var22 - var30 / 2.0D);
049            int var34 = MathHelper.floor_double(var24 - var28 / 2.0D);
050            int var35 = MathHelper.floor_double(var20 + var28 / 2.0D);
051            int var36 = MathHelper.floor_double(var22 + var30 / 2.0D);
052            int var37 = MathHelper.floor_double(var24 + var28 / 2.0D);
053
054            for (int var38 = var32; var38 <= var35; ++var38)
055            {
056                double var39 = ((double)var38 + 0.5D - var20) / (var28 / 2.0D);
057
058                if (var39 * var39 < 1.0D)
059                {
060                    for (int var41 = var33; var41 <= var36; ++var41)
061                    {
062                        double var42 = ((double)var41 + 0.5D - var22) / (var30 / 2.0D);
063
064                        if (var39 * var39 + var42 * var42 < 1.0D)
065                        {
066                            for (int var44 = var34; var44 <= var37; ++var44)
067                            {
068                                double var45 = ((double)var44 + 0.5D - var24) / (var28 / 2.0D);
069
070                                Block block = Block.blocksList[par1World.getBlockId(var38, var41, var44)];
071                                if (var39 * var39 + var42 * var42 + var45 * var45 < 1.0D && (block != null && block.isGenMineableReplaceable(par1World, var38, var41, var44)))
072                                {
073                                    par1World.setBlockAndMetadata(var38, var41, var44, this.minableBlockId, minableBlockMeta);
074                                }
075                            }
076                        }
077                    }
078                }
079            }
080        }
081
082        return true;
083    }
084}