    001    package net.minecraft.world.gen.feature;
    002
    003    import java.util.Random;
    004    import net.minecraft.block.Block;
    005    import net.minecraft.world.World;
    006
    007    public class WorldGenShrub extends WorldGenerator
    008    {
    009        private int field_76527_a;
    010        private int field_76526_b;
    011
    012        public WorldGenShrub(int par1, int par2)
    013        {
    014            this.field_76526_b = par1;
    015            this.field_76527_a = par2;
    016        }
    017
    018        public boolean generate(World par1World, Random par2Random, int par3, int par4, int par5)
    019        {
    020            int var15;
    021
    022            Block block = null;
    023            do
    024            {
    025                block = Block.blocksList[par1World.getBlockId(par3,  par4, par5)];
    026                if (block != null && !block.isLeaves(par1World, par3, par4, par5))
    027                {
    028                    break;
    029                }
    030                par4--;
    031            } while (par4 > 0);
    032
    033            int var7 = par1World.getBlockId(par3, par4, par5);
    034
    035            if (var7 == Block.dirt.blockID || var7 == Block.grass.blockID)
    036            {
    037                ++par4;
    038                this.setBlockAndMetadata(par1World, par3, par4, par5, Block.wood.blockID, this.field_76526_b);
    039
    040                for (int var8 = par4; var8 <= par4 + 2; ++var8)
    041                {
    042                    int var9 = var8 - par4;
    043                    int var10 = 2 - var9;
    044
    045                    for (int var11 = par3 - var10; var11 <= par3 + var10; ++var11)
    046                    {
    047                        int var12 = var11 - par3;
    048
    049                        for (int var13 = par5 - var10; var13 <= par5 + var10; ++var13)
    050                        {
    051                            int var14 = var13 - par5;
    052
    053                            block = Block.blocksList[par1World.getBlockId(var11, var8, var13)];
    054
    055                            if ((Math.abs(var12) != var10 || Math.abs(var14) != var10 || par2Random.nextInt(2) != 0) &&
    056                                (block == null || block.canBeReplacedByLeaves(par1World, var11, var8, var13)))
    057                            {
    058                                this.setBlockAndMetadata(par1World, var11, var8, var13, Block.leaves.blockID, this.field_76527_a);
    059                            }
    060                        }
    061                    }
    062                }
    063            }
    064
    065            return true;
    066        }
    067    }