001package net.minecraft.world.gen.feature;
002
003import java.util.Random;
004import net.minecraft.block.Block;
005import net.minecraft.block.BlockSapling;
006import net.minecraft.world.World;
007import net.minecraftforge.common.ForgeDirection;
008
009public class WorldGenTaiga2 extends WorldGenerator
010{
011    public WorldGenTaiga2(boolean par1)
012    {
013        super(par1);
014    }
015
016    public boolean generate(World par1World, Random par2Random, int par3, int par4, int par5)
017    {
018        int l = par2Random.nextInt(4) + 6;
019        int i1 = 1 + par2Random.nextInt(2);
020        int j1 = l - i1;
021        int k1 = 2 + par2Random.nextInt(2);
022        boolean flag = true;
023
024        if (par4 >= 1 && par4 + l + 1 <= 256)
025        {
026            int l1;
027            int i2;
028            int j2;
029            int k2;
030
031            for (l1 = par4; l1 <= par4 + 1 + l && flag; ++l1)
032            {
033                boolean flag1 = true;
034
035                if (l1 - par4 < i1)
036                {
037                    k2 = 0;
038                }
039                else
040                {
041                    k2 = k1;
042                }
043
044                for (i2 = par3 - k2; i2 <= par3 + k2 && flag; ++i2)
045                {
046                    for (int l2 = par5 - k2; l2 <= par5 + k2 && flag; ++l2)
047                    {
048                        if (l1 >= 0 && l1 < 256)
049                        {
050                            j2 = par1World.getBlockId(i2, l1, l2);
051
052                            Block block = Block.blocksList[j2];
053
054                            if (j2 != 0 && block != null && !block.isLeaves(par1World, i2, l1, l2))
055                            {
056                                flag = false;
057                            }
058                        }
059                        else
060                        {
061                            flag = false;
062                        }
063                    }
064                }
065            }
066
067            if (!flag)
068            {
069                return false;
070            }
071            else
072            {
073                l1 = par1World.getBlockId(par3, par4 - 1, par5);
074                Block soil = Block.blocksList[l1];
075                boolean isValidSoil = soil != null && soil.canSustainPlant(par1World, par3, par4 - 1, par5, ForgeDirection.UP, (BlockSapling)Block.sapling);
076
077                if (isValidSoil && par4 < 256 - l - 1)
078                {
079                    soil.onPlantGrow(par1World, par3, par4 - 1, par5, par3, par4, par5);
080                    k2 = par2Random.nextInt(2);
081                    i2 = 1;
082                    byte b0 = 0;
083                    int i3;
084                    int j3;
085
086                    for (j2 = 0; j2 <= j1; ++j2)
087                    {
088                        j3 = par4 + l - j2;
089
090                        for (i3 = par3 - k2; i3 <= par3 + k2; ++i3)
091                        {
092                            int k3 = i3 - par3;
093
094                            for (int l3 = par5 - k2; l3 <= par5 + k2; ++l3)
095                            {
096                                int i4 = l3 - par5;
097
098                                Block block = Block.blocksList[par1World.getBlockId(i3, j3, l3)];
099
100                                if ((Math.abs(k3) != k2 || Math.abs(i4) != k2 || k2 <= 0) &&
101                                    (block == null || block.canBeReplacedByLeaves(par1World, i3, j3, l3)))
102                                {
103                                    this.setBlockAndMetadata(par1World, i3, j3, l3, Block.leaves.blockID, 1);
104                                }
105                            }
106                        }
107
108                        if (k2 >= i2)
109                        {
110                            k2 = b0;
111                            b0 = 1;
112                            ++i2;
113
114                            if (i2 > k1)
115                            {
116                                i2 = k1;
117                            }
118                        }
119                        else
120                        {
121                            ++k2;
122                        }
123                    }
124
125                    j2 = par2Random.nextInt(3);
126
127                    for (j3 = 0; j3 < l - j2; ++j3)
128                    {
129                        i3 = par1World.getBlockId(par3, par4 + j3, par5);
130
131                        Block block = Block.blocksList[i3];
132
133                        if (i3 == 0 || block == null || block.isLeaves(par1World, par3, par4 + j3, par5))
134                        {
135                            this.setBlockAndMetadata(par1World, par3, par4 + j3, par5, Block.wood.blockID, 1);
136                        }
137                    }
138
139                    return true;
140                }
141                else
142                {
143                    return false;
144                }
145            }
146        }
147        else
148        {
149            return false;
150        }
151    }
152}