001 package net.minecraft.src; 002 003 import java.util.Random; 004 005 public class WorldGenForest extends WorldGenerator 006 { 007 public WorldGenForest(boolean par1) 008 { 009 super(par1); 010 } 011 012 public boolean generate(World par1World, Random par2Random, int par3, int par4, int par5) 013 { 014 int var6 = par2Random.nextInt(3) + 5; 015 boolean var7 = true; 016 017 if (par4 >= 1 && par4 + var6 + 1 <= 256) 018 { 019 int var8; 020 int var10; 021 int var11; 022 int var12; 023 024 for (var8 = par4; var8 <= par4 + 1 + var6; ++var8) 025 { 026 byte var9 = 1; 027 028 if (var8 == par4) 029 { 030 var9 = 0; 031 } 032 033 if (var8 >= par4 + 1 + var6 - 2) 034 { 035 var9 = 2; 036 } 037 038 for (var10 = par3 - var9; var10 <= par3 + var9 && var7; ++var10) 039 { 040 for (var11 = par5 - var9; var11 <= par5 + var9 && var7; ++var11) 041 { 042 if (var8 >= 0 && var8 < 256) 043 { 044 var12 = par1World.getBlockId(var10, var8, var11); 045 046 Block block = Block.blocksList[var12]; 047 048 if (var12 != 0 && (block != null && !block.isLeaves(par1World, var10, var8, var11))) 049 { 050 var7 = false; 051 } 052 } 053 else 054 { 055 var7 = false; 056 } 057 } 058 } 059 } 060 061 if (!var7) 062 { 063 return false; 064 } 065 else 066 { 067 var8 = par1World.getBlockId(par3, par4 - 1, par5); 068 069 if ((var8 == Block.grass.blockID || var8 == Block.dirt.blockID) && par4 < 256 - var6 - 1) 070 { 071 this.setBlock(par1World, par3, par4 - 1, par5, Block.dirt.blockID); 072 int var16; 073 074 for (var16 = par4 - 3 + var6; var16 <= par4 + var6; ++var16) 075 { 076 var10 = var16 - (par4 + var6); 077 var11 = 1 - var10 / 2; 078 079 for (var12 = par3 - var11; var12 <= par3 + var11; ++var12) 080 { 081 int var13 = var12 - par3; 082 083 for (int var14 = par5 - var11; var14 <= par5 + var11; ++var14) 084 { 085 int var15 = var14 - par5; 086 087 Block block = Block.blocksList[par1World.getBlockId(var12, var16, var14)]; 088 089 if ((Math.abs(var13) != var11 || Math.abs(var15) != var11 || par2Random.nextInt(2) != 0 && var10 != 0) && 090 (block == null || block.canBeReplacedByLeaves(par1World, var12, var16, var14))) 091 { 092 this.setBlockAndMetadata(par1World, var12, var16, var14, Block.leaves.blockID, 2); 093 } 094 } 095 } 096 } 097 098 for (var16 = 0; var16 < var6; ++var16) 099 { 100 var10 = par1World.getBlockId(par3, par4 + var16, par5); 101 102 Block block = Block.blocksList[var10]; 103 104 if (var10 == 0 || block == null || block.isLeaves(par1World, par3, par4 + var16, par5)) 105 { 106 this.setBlockAndMetadata(par1World, par3, par4 + var16, par5, Block.wood.blockID, 2); 107 } 108 } 109 110 return true; 111 } 112 else 113 { 114 return false; 115 } 116 } 117 } 118 else 119 { 120 return false; 121 } 122 } 123 }