001package net.minecraft.world.gen.feature; 002 003import java.util.Random; 004 005import net.minecraft.block.Block; 006import net.minecraft.block.BlockSapling; 007import net.minecraft.world.World; 008import net.minecraftforge.common.ForgeDirection; 009 010public class WorldGenForest extends WorldGenerator 011{ 012 public WorldGenForest(boolean par1) 013 { 014 super(par1); 015 } 016 017 public boolean generate(World par1World, Random par2Random, int par3, int par4, int par5) 018 { 019 int var6 = par2Random.nextInt(3) + 5; 020 boolean var7 = true; 021 022 if (par4 >= 1 && par4 + var6 + 1 <= 256) 023 { 024 int var8; 025 int var10; 026 int var11; 027 int var12; 028 029 for (var8 = par4; var8 <= par4 + 1 + var6; ++var8) 030 { 031 byte var9 = 1; 032 033 if (var8 == par4) 034 { 035 var9 = 0; 036 } 037 038 if (var8 >= par4 + 1 + var6 - 2) 039 { 040 var9 = 2; 041 } 042 043 for (var10 = par3 - var9; var10 <= par3 + var9 && var7; ++var10) 044 { 045 for (var11 = par5 - var9; var11 <= par5 + var9 && var7; ++var11) 046 { 047 if (var8 >= 0 && var8 < 256) 048 { 049 var12 = par1World.getBlockId(var10, var8, var11); 050 051 Block block = Block.blocksList[var12]; 052 053 if (var12 != 0 && (block != null && !block.isLeaves(par1World, var10, var8, var11))) 054 { 055 var7 = false; 056 } 057 } 058 else 059 { 060 var7 = false; 061 } 062 } 063 } 064 } 065 066 if (!var7) 067 { 068 return false; 069 } 070 else 071 { 072 var8 = par1World.getBlockId(par3, par4 - 1, par5); 073 Block soil = Block.blocksList[var8]; 074 boolean isValidSoil = soil != null && soil.canSustainPlant(par1World, par3, par4 - 1, par5, ForgeDirection.UP, (BlockSapling)Block.sapling); 075 076 if (isValidSoil && par4 < 256 - var6 - 1) 077 { 078 soil.onPlantGrow(par1World, par3, par4 - 1, par5, par3, par4, par5); 079 int var16; 080 081 for (var16 = par4 - 3 + var6; var16 <= par4 + var6; ++var16) 082 { 083 var10 = var16 - (par4 + var6); 084 var11 = 1 - var10 / 2; 085 086 for (var12 = par3 - var11; var12 <= par3 + var11; ++var12) 087 { 088 int var13 = var12 - par3; 089 090 for (int var14 = par5 - var11; var14 <= par5 + var11; ++var14) 091 { 092 int var15 = var14 - par5; 093 094 Block block = Block.blocksList[par1World.getBlockId(var12, var16, var14)]; 095 096 if ((Math.abs(var13) != var11 || Math.abs(var15) != var11 || par2Random.nextInt(2) != 0 && var10 != 0) && 097 (block == null || block.canBeReplacedByLeaves(par1World, var12, var16, var14))) 098 { 099 this.setBlockAndMetadata(par1World, var12, var16, var14, Block.leaves.blockID, 2); 100 } 101 } 102 } 103 } 104 105 for (var16 = 0; var16 < var6; ++var16) 106 { 107 var10 = par1World.getBlockId(par3, par4 + var16, par5); 108 109 Block block = Block.blocksList[var10]; 110 111 if (var10 == 0 || block == null || block.isLeaves(par1World, par3, par4 + var16, par5)) 112 { 113 this.setBlockAndMetadata(par1World, par3, par4 + var16, par5, Block.wood.blockID, 2); 114 } 115 } 116 117 return true; 118 } 119 else 120 { 121 return false; 122 } 123 } 124 } 125 else 126 { 127 return false; 128 } 129 } 130}