    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}