001package net.minecraft.world.gen.feature;
002
003import java.util.Random;
004import net.minecraft.block.Block;
005import net.minecraft.world.World;
006
007public 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}