001 package net.minecraft.src; 002 003 public class GenLayerRiver extends GenLayer 004 { 005 public GenLayerRiver(long par1, GenLayer par3GenLayer) 006 { 007 super(par1); 008 super.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 + 1) * var7]; 029 int var14 = var9[var12 + 2 + (var11 + 1) * var7]; 030 int var15 = var9[var12 + 1 + (var11 + 0) * var7]; 031 int var16 = var9[var12 + 1 + (var11 + 2) * var7]; 032 int var17 = var9[var12 + 1 + (var11 + 1) * var7]; 033 034 if (var17 != 0 && var13 != 0 && var14 != 0 && var15 != 0 && var16 != 0 && var17 == var13 && var17 == var15 && var17 == var14 && var17 == var16) 035 { 036 var10[var12 + var11 * par3] = -1; 037 } 038 else 039 { 040 var10[var12 + var11 * par3] = BiomeGenBase.river.biomeID; 041 } 042 } 043 } 044 045 return var10; 046 } 047 }