001 package net.minecraft.src; 002 003 public class GenLayerBiome extends GenLayer 004 { 005 /** this sets all the biomes that are allowed to appear in the overworld */ 006 private BiomeGenBase[] allowedBiomes; 007 008 public GenLayerBiome(long par1, GenLayer par3GenLayer, WorldType par4WorldType) 009 { 010 super(par1); 011 this.allowedBiomes = par4WorldType.getBiomesForWorldType(); 012 this.parent = par3GenLayer; 013 } 014 015 /** 016 * Returns a list of integer values generated by this layer. These may be interpreted as temperatures, rainfall 017 * amounts, or biomeList[] indices based on the particular GenLayer subclass. 018 */ 019 public int[] getInts(int par1, int par2, int par3, int par4) 020 { 021 int[] var5 = this.parent.getInts(par1, par2, par3, par4); 022 int[] var6 = IntCache.getIntCache(par3 * par4); 023 024 for (int var7 = 0; var7 < par4; ++var7) 025 { 026 for (int var8 = 0; var8 < par3; ++var8) 027 { 028 this.initChunkSeed((long)(var8 + par1), (long)(var7 + par2)); 029 int var9 = var5[var8 + var7 * par3]; 030 031 if (var9 == 0) 032 { 033 var6[var8 + var7 * par3] = 0; 034 } 035 else if (var9 == BiomeGenBase.mushroomIsland.biomeID) 036 { 037 var6[var8 + var7 * par3] = var9; 038 } 039 else if (var9 == 1) 040 { 041 var6[var8 + var7 * par3] = this.allowedBiomes[this.nextInt(this.allowedBiomes.length)].biomeID; 042 } 043 else 044 { 045 int var10 = this.allowedBiomes[this.nextInt(this.allowedBiomes.length)].biomeID; 046 047 if (var10 == BiomeGenBase.taiga.biomeID) 048 { 049 var6[var8 + var7 * par3] = var10; 050 } 051 else 052 { 053 var6[var8 + var7 * par3] = BiomeGenBase.icePlains.biomeID; 054 } 055 } 056 } 057 } 058 059 return var6; 060 } 061 }