001package net.minecraft.world.gen.layer; 002 003import net.minecraft.world.biome.BiomeGenBase; 004 005public class GenLayerAddMushroomIsland extends GenLayer 006{ 007 public GenLayerAddMushroomIsland(long par1, GenLayer par3GenLayer) 008 { 009 super(par1); 010 this.parent = par3GenLayer; 011 } 012 013 /** 014 * Returns a list of integer values generated by this layer. These may be interpreted as temperatures, rainfall 015 * amounts, or biomeList[] indices based on the particular GenLayer subclass. 016 */ 017 public int[] getInts(int par1, int par2, int par3, int par4) 018 { 019 int i1 = par1 - 1; 020 int j1 = par2 - 1; 021 int k1 = par3 + 2; 022 int l1 = par4 + 2; 023 int[] aint = this.parent.getInts(i1, j1, k1, l1); 024 int[] aint1 = IntCache.getIntCache(par3 * par4); 025 026 for (int i2 = 0; i2 < par4; ++i2) 027 { 028 for (int j2 = 0; j2 < par3; ++j2) 029 { 030 int k2 = aint[j2 + 0 + (i2 + 0) * k1]; 031 int l2 = aint[j2 + 2 + (i2 + 0) * k1]; 032 int i3 = aint[j2 + 0 + (i2 + 2) * k1]; 033 int j3 = aint[j2 + 2 + (i2 + 2) * k1]; 034 int k3 = aint[j2 + 1 + (i2 + 1) * k1]; 035 this.initChunkSeed((long)(j2 + par1), (long)(i2 + par2)); 036 037 if (k3 == 0 && k2 == 0 && l2 == 0 && i3 == 0 && j3 == 0 && this.nextInt(100) == 0) 038 { 039 aint1[j2 + i2 * par3] = BiomeGenBase.mushroomIsland.biomeID; 040 } 041 else 042 { 043 aint1[j2 + i2 * par3] = k3; 044 } 045 } 046 } 047 048 return aint1; 049 } 050}