001    package net.minecraft.src;
002    
003    import cpw.mods.fml.common.Side;
004    import cpw.mods.fml.common.asm.SideOnly;
005    import java.util.Random;
006    
007    public class BlockGrass extends Block
008    {
009        protected BlockGrass(int par1)
010        {
011            super(par1, Material.grass);
012            this.blockIndexInTexture = 3;
013            this.setTickRandomly(true);
014            this.setCreativeTab(CreativeTabs.tabBlock);
015        }
016    
017        /**
018         * From the specified side and block metadata retrieves the blocks texture. Args: side, metadata
019         */
020        public int getBlockTextureFromSideAndMetadata(int par1, int par2)
021        {
022            return par1 == 1 ? 0 : (par1 == 0 ? 2 : 3);
023        }
024    
025        @SideOnly(Side.CLIENT)
026    
027        /**
028         * Retrieves the block texture to use based on the display side. Args: iBlockAccess, x, y, z, side
029         */
030        public int getBlockTexture(IBlockAccess par1IBlockAccess, int par2, int par3, int par4, int par5)
031        {
032            if (par5 == 1)
033            {
034                return 0;
035            }
036            else if (par5 == 0)
037            {
038                return 2;
039            }
040            else
041            {
042                Material var6 = par1IBlockAccess.getBlockMaterial(par2, par3 + 1, par4);
043                return var6 != Material.snow && var6 != Material.craftedSnow ? 3 : 68;
044            }
045        }
046    
047        /**
048         * Ticks the block if it's been scheduled
049         */
050        public void updateTick(World par1World, int par2, int par3, int par4, Random par5Random)
051        {
052            if (!par1World.isRemote)
053            {
054                if (par1World.getBlockLightValue(par2, par3 + 1, par4) < 4 && par1World.getBlockLightOpacity(par2, par3 + 1, par4) > 2)
055                {
056                    par1World.setBlockWithNotify(par2, par3, par4, Block.dirt.blockID);
057                }
058                else if (par1World.getBlockLightValue(par2, par3 + 1, par4) >= 9)
059                {
060                    for (int var6 = 0; var6 < 4; ++var6)
061                    {
062                        int var7 = par2 + par5Random.nextInt(3) - 1;
063                        int var8 = par3 + par5Random.nextInt(5) - 3;
064                        int var9 = par4 + par5Random.nextInt(3) - 1;
065                        int var10 = par1World.getBlockId(var7, var8 + 1, var9);
066    
067                        if (par1World.getBlockId(var7, var8, var9) == Block.dirt.blockID && par1World.getBlockLightValue(var7, var8 + 1, var9) >= 4 && par1World.getBlockLightOpacity(var7, var8 + 1, var9) <= 2)
068                        {
069                            par1World.setBlockWithNotify(var7, var8, var9, Block.grass.blockID);
070                        }
071                    }
072                }
073            }
074        }
075    
076        @SideOnly(Side.CLIENT)
077        public int getBlockColor()
078        {
079            double var1 = 0.5D;
080            double var3 = 1.0D;
081            return ColorizerGrass.getGrassColor(var1, var3);
082        }
083    
084        @SideOnly(Side.CLIENT)
085    
086        /**
087         * Returns the color this block should be rendered. Used by leaves.
088         */
089        public int getRenderColor(int par1)
090        {
091            return this.getBlockColor();
092        }
093    
094        @SideOnly(Side.CLIENT)
095    
096        /**
097         * Returns a integer with hex for 0xrrggbb with this color multiplied against the blocks color. Note only called
098         * when first determining what to render.
099         */
100        public int colorMultiplier(IBlockAccess par1IBlockAccess, int par2, int par3, int par4)
101        {
102            int var5 = 0;
103            int var6 = 0;
104            int var7 = 0;
105    
106            for (int var8 = -1; var8 <= 1; ++var8)
107            {
108                for (int var9 = -1; var9 <= 1; ++var9)
109                {
110                    int var10 = par1IBlockAccess.getBiomeGenForCoords(par2 + var9, par4 + var8).getBiomeGrassColor();
111                    var5 += (var10 & 16711680) >> 16;
112                    var6 += (var10 & 65280) >> 8;
113                    var7 += var10 & 255;
114                }
115            }
116    
117            return (var5 / 9 & 255) << 16 | (var6 / 9 & 255) << 8 | var7 / 9 & 255;
118        }
119    
120        /**
121         * Returns the ID of the items to drop on destruction.
122         */
123        public int idDropped(int par1, Random par2Random, int par3)
124        {
125            return Block.dirt.idDropped(0, par2Random, par3);
126        }
127    }