001    package net.minecraft.src;
002    
003    public class GenLayerSwampRivers extends GenLayer
004    {
005        public GenLayerSwampRivers(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 ((var9 != BiomeGenBase.swampland.biomeID || this.nextInt(6) != 0) && (var9 != BiomeGenBase.jungle.biomeID && var9 != BiomeGenBase.jungleHills.biomeID || this.nextInt(8) != 0))
028                    {
029                        var6[var8 + var7 * par3] = var9;
030                    }
031                    else
032                    {
033                        var6[var8 + var7 * par3] = BiomeGenBase.river.biomeID;
034                    }
035                }
036            }
037    
038            return var6;
039        }
040    }