001package net.minecraft.world.gen.feature; 002 003import java.util.Random; 004import net.minecraft.block.Block; 005import net.minecraft.world.World; 006 007public class WorldGenShrub extends WorldGenerator 008{ 009 private int field_76527_a; 010 private int field_76526_b; 011 012 public WorldGenShrub(int par1, int par2) 013 { 014 this.field_76526_b = par1; 015 this.field_76527_a = par2; 016 } 017 018 public boolean generate(World par1World, Random par2Random, int par3, int par4, int par5) 019 { 020 int l; 021 022 Block block = null; 023 do 024 { 025 block = Block.blocksList[par1World.getBlockId(par3, par4, par5)]; 026 if (block != null && !block.isLeaves(par1World, par3, par4, par5)) 027 { 028 break; 029 } 030 par4--; 031 } while (par4 > 0); 032 033 int i1 = par1World.getBlockId(par3, par4, par5); 034 035 if (i1 == Block.dirt.blockID || i1 == Block.grass.blockID) 036 { 037 ++par4; 038 this.setBlockAndMetadata(par1World, par3, par4, par5, Block.wood.blockID, this.field_76526_b); 039 040 for (int j1 = par4; j1 <= par4 + 2; ++j1) 041 { 042 int k1 = j1 - par4; 043 int l1 = 2 - k1; 044 045 for (int i2 = par3 - l1; i2 <= par3 + l1; ++i2) 046 { 047 int j2 = i2 - par3; 048 049 for (int k2 = par5 - l1; k2 <= par5 + l1; ++k2) 050 { 051 int l2 = k2 - par5; 052 053 block = Block.blocksList[par1World.getBlockId(i2, j1, k2)]; 054 055 if ((Math.abs(j2) != l1 || Math.abs(l2) != l1 || par2Random.nextInt(2) != 0) && 056 (block == null || block.canBeReplacedByLeaves(par1World, i2, j1, k2))) 057 { 058 this.setBlockAndMetadata(par1World, i2, j1, k2, Block.leaves.blockID, this.field_76527_a); 059 } 060 } 061 } 062 } 063 } 064 065 return true; 066 } 067}