001    package net.minecraft.src;
002    
003    public class GenLayerHills extends GenLayer
004    {
005        public GenLayerHills(long par1, GenLayer par3GenLayer)
006        {
007            super(par1);
008            this.parent = par3GenLayer;
009        }
010    
011        /**
012         * Returns a list of integer values generated by this layer. These may be interpreted as temperatures, rainfall
013         * amounts, or biomeList[] indices based on the particular GenLayer subclass.
014         */
015        public int[] getInts(int par1, int par2, int par3, int par4)
016        {
017            int[] var5 = this.parent.getInts(par1 - 1, par2 - 1, par3 + 2, par4 + 2);
018            int[] var6 = IntCache.getIntCache(par3 * par4);
019    
020            for (int var7 = 0; var7 < par4; ++var7)
021            {
022                for (int var8 = 0; var8 < par3; ++var8)
023                {
024                    this.initChunkSeed((long)(var8 + par1), (long)(var7 + par2));
025                    int var9 = var5[var8 + 1 + (var7 + 1) * (par3 + 2)];
026    
027                    if (this.nextInt(3) == 0)
028                    {
029                        int var10 = var9;
030    
031                        if (var9 == BiomeGenBase.desert.biomeID)
032                        {
033                            var10 = BiomeGenBase.desertHills.biomeID;
034                        }
035                        else if (var9 == BiomeGenBase.forest.biomeID)
036                        {
037                            var10 = BiomeGenBase.forestHills.biomeID;
038                        }
039                        else if (var9 == BiomeGenBase.taiga.biomeID)
040                        {
041                            var10 = BiomeGenBase.taigaHills.biomeID;
042                        }
043                        else if (var9 == BiomeGenBase.plains.biomeID)
044                        {
045                            var10 = BiomeGenBase.forest.biomeID;
046                        }
047                        else if (var9 == BiomeGenBase.icePlains.biomeID)
048                        {
049                            var10 = BiomeGenBase.iceMountains.biomeID;
050                        }
051                        else if (var9 == BiomeGenBase.jungle.biomeID)
052                        {
053                            var10 = BiomeGenBase.jungleHills.biomeID;
054                        }
055    
056                        if (var10 == var9)
057                        {
058                            var6[var8 + var7 * par3] = var9;
059                        }
060                        else
061                        {
062                            int var11 = var5[var8 + 1 + (var7 + 1 - 1) * (par3 + 2)];
063                            int var12 = var5[var8 + 1 + 1 + (var7 + 1) * (par3 + 2)];
064                            int var13 = var5[var8 + 1 - 1 + (var7 + 1) * (par3 + 2)];
065                            int var14 = var5[var8 + 1 + (var7 + 1 + 1) * (par3 + 2)];
066    
067                            if (var11 == var9 && var12 == var9 && var13 == var9 && var14 == var9)
068                            {
069                                var6[var8 + var7 * par3] = var10;
070                            }
071                            else
072                            {
073                                var6[var8 + var7 * par3] = var9;
074                            }
075                        }
076                    }
077                    else
078                    {
079                        var6[var8 + var7 * par3] = var9;
080                    }
081                }
082            }
083    
084            return var6;
085        }
086    }