001package net.minecraft.world.gen.feature;
002
003import java.util.Random;
004import net.minecraft.block.Block;
005import net.minecraft.world.World;
006
007public class WorldGenTaiga1 extends WorldGenerator
008{
009    public boolean generate(World par1World, Random par2Random, int par3, int par4, int par5)
010    {
011        int l = par2Random.nextInt(5) + 7;
012        int i1 = l - par2Random.nextInt(2) - 3;
013        int j1 = l - i1;
014        int k1 = 1 + par2Random.nextInt(j1 + 1);
015        boolean flag = true;
016
017        if (par4 >= 1 && par4 + l + 1 <= 128)
018        {
019            int l1;
020            int i2;
021            int j2;
022            int k2;
023            int l2;
024
025            for (l1 = par4; l1 <= par4 + 1 + l && flag; ++l1)
026            {
027                boolean flag1 = true;
028
029                if (l1 - par4 < i1)
030                {
031                    l2 = 0;
032                }
033                else
034                {
035                    l2 = k1;
036                }
037
038                for (i2 = par3 - l2; i2 <= par3 + l2 && flag; ++i2)
039                {
040                    for (j2 = par5 - l2; j2 <= par5 + l2 && flag; ++j2)
041                    {
042                        if (l1 >= 0 && l1 < 128)
043                        {
044                            k2 = par1World.getBlockId(i2, l1, j2);
045
046                            Block block = Block.blocksList[k2];
047
048                            if (k2 != 0 && (block == null || !block.isLeaves(par1World, i2, l1, j2)))
049                            {
050                                flag = false;
051                            }
052                        }
053                        else
054                        {
055                            flag = false;
056                        }
057                    }
058                }
059            }
060
061            if (!flag)
062            {
063                return false;
064            }
065            else
066            {
067                l1 = par1World.getBlockId(par3, par4 - 1, par5);
068
069                if ((l1 == Block.grass.blockID || l1 == Block.dirt.blockID) && par4 < 128 - l - 1)
070                {
071                    this.setBlock(par1World, par3, par4 - 1, par5, Block.dirt.blockID);
072                    l2 = 0;
073
074                    for (i2 = par4 + l; i2 >= par4 + i1; --i2)
075                    {
076                        for (j2 = par3 - l2; j2 <= par3 + l2; ++j2)
077                        {
078                            k2 = j2 - par3;
079
080                            for (int i3 = par5 - l2; i3 <= par5 + l2; ++i3)
081                            {
082                                int j3 = i3 - par5;
083
084                                Block block = Block.blocksList[par1World.getBlockId(j2, i2, i3)];
085
086                                if ((Math.abs(k2) != l2 || Math.abs(j3) != l2 || l2 <= 0) && 
087                                    (block == null || block.canBeReplacedByLeaves(par1World, j2, i2, i3)))
088                                {
089                                    this.setBlockAndMetadata(par1World, j2, i2, i3, Block.leaves.blockID, 1);
090                                }
091                            }
092                        }
093
094                        if (l2 >= 1 && i2 == par4 + i1 + 1)
095                        {
096                            --l2;
097                        }
098                        else if (l2 < k1)
099                        {
100                            ++l2;
101                        }
102                    }
103
104                    for (i2 = 0; i2 < l - 1; ++i2)
105                    {
106                        j2 = par1World.getBlockId(par3, par4 + i2, par5);
107
108                        Block block = Block.blocksList[j2];
109
110                        if (j2 == 0 || block == null || block.isLeaves(par1World, par3, par4 + i2, par5))
111                        {
112                            this.setBlockAndMetadata(par1World, par3, par4 + i2, par5, Block.wood.blockID, 1);
113                        }
114                    }
115
116                    return true;
117                }
118                else
119                {
120                    return false;
121                }
122            }
123        }
124        else
125        {
126            return false;
127        }
128    }
129}