001    package net.minecraft.src;
002    
003    import java.util.Random;
004    
005    public class BlockMushroom extends BlockFlower
006    {
007        protected BlockMushroom(int par1, int par2)
008        {
009            super(par1, par2);
010            float var3 = 0.2F;
011            this.setBlockBounds(0.5F - var3, 0.0F, 0.5F - var3, 0.5F + var3, var3 * 2.0F, 0.5F + var3);
012            this.setTickRandomly(true);
013        }
014    
015        /**
016         * Ticks the block if it's been scheduled
017         */
018        public void updateTick(World par1World, int par2, int par3, int par4, Random par5Random)
019        {
020            if (par5Random.nextInt(25) == 0)
021            {
022                byte var6 = 4;
023                int var7 = 5;
024                int var8;
025                int var9;
026                int var10;
027    
028                for (var8 = par2 - var6; var8 <= par2 + var6; ++var8)
029                {
030                    for (var9 = par4 - var6; var9 <= par4 + var6; ++var9)
031                    {
032                        for (var10 = par3 - 1; var10 <= par3 + 1; ++var10)
033                        {
034                            if (par1World.getBlockId(var8, var10, var9) == this.blockID)
035                            {
036                                --var7;
037    
038                                if (var7 <= 0)
039                                {
040                                    return;
041                                }
042                            }
043                        }
044                    }
045                }
046    
047                var8 = par2 + par5Random.nextInt(3) - 1;
048                var9 = par3 + par5Random.nextInt(2) - par5Random.nextInt(2);
049                var10 = par4 + par5Random.nextInt(3) - 1;
050    
051                for (int var11 = 0; var11 < 4; ++var11)
052                {
053                    if (par1World.isAirBlock(var8, var9, var10) && this.canBlockStay(par1World, var8, var9, var10))
054                    {
055                        par2 = var8;
056                        par3 = var9;
057                        par4 = var10;
058                    }
059    
060                    var8 = par2 + par5Random.nextInt(3) - 1;
061                    var9 = par3 + par5Random.nextInt(2) - par5Random.nextInt(2);
062                    var10 = par4 + par5Random.nextInt(3) - 1;
063                }
064    
065                if (par1World.isAirBlock(var8, var9, var10) && this.canBlockStay(par1World, var8, var9, var10))
066                {
067                    par1World.setBlockWithNotify(var8, var9, var10, this.blockID);
068                }
069            }
070        }
071    
072        /**
073         * Checks to see if its valid to put this block at the specified coordinates. Args: world, x, y, z
074         */
075        public boolean canPlaceBlockAt(World par1World, int par2, int par3, int par4)
076        {
077            return super.canPlaceBlockAt(par1World, par2, par3, par4) && this.canBlockStay(par1World, par2, par3, par4);
078        }
079    
080        /**
081         * Gets passed in the blockID of the block below and supposed to return true if its allowed to grow on the type of
082         * blockID passed in. Args: blockID
083         */
084        protected boolean canThisPlantGrowOnThisBlockID(int par1)
085        {
086            return Block.opaqueCubeLookup[par1];
087        }
088    
089        /**
090         * Can this block stay at this position.  Similar to canPlaceBlockAt except gets checked often with plants.
091         */
092        public boolean canBlockStay(World par1World, int par2, int par3, int par4)
093        {
094            if (par3 >= 0 && par3 < 256)
095            {
096                int var5 = par1World.getBlockId(par2, par3 - 1, par4);
097                return var5 == Block.mycelium.blockID || par1World.getFullBlockLightValue(par2, par3, par4) < 13 && this.canThisPlantGrowOnThisBlockID(var5);
098            }
099            else
100            {
101                return false;
102            }
103        }
104    
105        /**
106         * Fertilize the mushroom.
107         */
108        public boolean fertilizeMushroom(World par1World, int par2, int par3, int par4, Random par5Random)
109        {
110            int var6 = par1World.getBlockMetadata(par2, par3, par4);
111            par1World.setBlock(par2, par3, par4, 0);
112            WorldGenBigMushroom var7 = null;
113    
114            if (this.blockID == Block.mushroomBrown.blockID)
115            {
116                var7 = new WorldGenBigMushroom(0);
117            }
118            else if (this.blockID == Block.mushroomRed.blockID)
119            {
120                var7 = new WorldGenBigMushroom(1);
121            }
122    
123            if (var7 != null && var7.generate(par1World, par5Random, par2, par3, par4))
124            {
125                return true;
126            }
127            else
128            {
129                par1World.setBlockAndMetadata(par2, par3, par4, this.blockID, var6);
130                return false;
131            }
132        }
133    }