001 package net.minecraft.src; 002 003 public class GenLayerAddIsland extends GenLayer 004 { 005 public GenLayerAddIsland(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 = par1 - 1; 018 int var6 = par2 - 1; 019 int var7 = par3 + 2; 020 int var8 = par4 + 2; 021 int[] var9 = this.parent.getInts(var5, var6, var7, var8); 022 int[] var10 = IntCache.getIntCache(par3 * par4); 023 024 for (int var11 = 0; var11 < par4; ++var11) 025 { 026 for (int var12 = 0; var12 < par3; ++var12) 027 { 028 int var13 = var9[var12 + 0 + (var11 + 0) * var7]; 029 int var14 = var9[var12 + 2 + (var11 + 0) * var7]; 030 int var15 = var9[var12 + 0 + (var11 + 2) * var7]; 031 int var16 = var9[var12 + 2 + (var11 + 2) * var7]; 032 int var17 = var9[var12 + 1 + (var11 + 1) * var7]; 033 this.initChunkSeed((long)(var12 + par1), (long)(var11 + par2)); 034 035 if (var17 == 0 && (var13 != 0 || var14 != 0 || var15 != 0 || var16 != 0)) 036 { 037 int var18 = 1; 038 int var19 = 1; 039 040 if (var13 != 0 && this.nextInt(var18++) == 0) 041 { 042 var19 = var13; 043 } 044 045 if (var14 != 0 && this.nextInt(var18++) == 0) 046 { 047 var19 = var14; 048 } 049 050 if (var15 != 0 && this.nextInt(var18++) == 0) 051 { 052 var19 = var15; 053 } 054 055 if (var16 != 0 && this.nextInt(var18++) == 0) 056 { 057 var19 = var16; 058 } 059 060 if (this.nextInt(3) == 0) 061 { 062 var10[var12 + var11 * par3] = var19; 063 } 064 else if (var19 == BiomeGenBase.icePlains.biomeID) 065 { 066 var10[var12 + var11 * par3] = BiomeGenBase.frozenOcean.biomeID; 067 } 068 else 069 { 070 var10[var12 + var11 * par3] = 0; 071 } 072 } 073 else if (var17 > 0 && (var13 == 0 || var14 == 0 || var15 == 0 || var16 == 0)) 074 { 075 if (this.nextInt(5) == 0) 076 { 077 if (var17 == BiomeGenBase.icePlains.biomeID) 078 { 079 var10[var12 + var11 * par3] = BiomeGenBase.frozenOcean.biomeID; 080 } 081 else 082 { 083 var10[var12 + var11 * par3] = 0; 084 } 085 } 086 else 087 { 088 var10[var12 + var11 * par3] = var17; 089 } 090 } 091 else 092 { 093 var10[var12 + var11 * par3] = var17; 094 } 095 } 096 } 097 098 return var10; 099 } 100 }