    001    package net.minecraft.block;
    002
    003    import cpw.mods.fml.common.Side;
    004    import cpw.mods.fml.common.asm.SideOnly;
    005    import java.util.Random;
    006    import net.minecraft.block.material.Material;
    007    import net.minecraft.creativetab.CreativeTabs;
    008    import net.minecraft.world.ColorizerGrass;
    009    import net.minecraft.world.IBlockAccess;
    010    import net.minecraft.world.World;
    011
    012    public class BlockGrass extends Block
    013    {
    014        protected BlockGrass(int par1)
    015        {
    016            super(par1, Material.grass);
    017            this.blockIndexInTexture = 3;
    018            this.setTickRandomly(true);
    019            this.setCreativeTab(CreativeTabs.tabBlock);
    020        }
    021
    022        /**
    023         * From the specified side and block metadata retrieves the blocks texture. Args: side, metadata
    024         */
    025        public int getBlockTextureFromSideAndMetadata(int par1, int par2)
    026        {
    027            return par1 == 1 ? 0 : (par1 == 0 ? 2 : 3);
    028        }
    029
    030        @SideOnly(Side.CLIENT)
    031
    032        /**
    033         * Retrieves the block texture to use based on the display side. Args: iBlockAccess, x, y, z, side
    034         */
    035        public int getBlockTexture(IBlockAccess par1IBlockAccess, int par2, int par3, int par4, int par5)
    036        {
    037            if (par5 == 1)
    038            {
    039                return 0;
    040            }
    041            else if (par5 == 0)
    042            {
    043                return 2;
    044            }
    045            else
    046            {
    047                Material var6 = par1IBlockAccess.getBlockMaterial(par2, par3 + 1, par4);
    048                return var6 != Material.snow && var6 != Material.craftedSnow ? 3 : 68;
    049            }
    050        }
    051
    052        @SideOnly(Side.CLIENT)
    053        public int getBlockColor()
    054        {
    055            double var1 = 0.5D;
    056            double var3 = 1.0D;
    057            return ColorizerGrass.getGrassColor(var1, var3);
    058        }
    059
    060        @SideOnly(Side.CLIENT)
    061
    062        /**
    063         * Returns the color this block should be rendered. Used by leaves.
    064         */
    065        public int getRenderColor(int par1)
    066        {
    067            return this.getBlockColor();
    068        }
    069
    070        @SideOnly(Side.CLIENT)
    071
    072        /**
    073         * Returns a integer with hex for 0xrrggbb with this color multiplied against the blocks color. Note only called
    074         * when first determining what to render.
    075         */
    076        public int colorMultiplier(IBlockAccess par1IBlockAccess, int par2, int par3, int par4)
    077        {
    078            int var5 = 0;
    079            int var6 = 0;
    080            int var7 = 0;
    081
    082            for (int var8 = -1; var8 <= 1; ++var8)
    083            {
    084                for (int var9 = -1; var9 <= 1; ++var9)
    085                {
    086                    int var10 = par1IBlockAccess.getBiomeGenForCoords(par2 + var9, par4 + var8).getBiomeGrassColor();
    087                    var5 += (var10 & 16711680) >> 16;
    088                    var6 += (var10 & 65280) >> 8;
    089                    var7 += var10 & 255;
    090                }
    091            }
    092
    093            return (var5 / 9 & 255) << 16 | (var6 / 9 & 255) << 8 | var7 / 9 & 255;
    094        }
    095
    096        /**
    097         * Ticks the block if it's been scheduled
    098         */
    099        public void updateTick(World par1World, int par2, int par3, int par4, Random par5Random)
    100        {
    101            if (!par1World.isRemote)
    102            {
    103                if (par1World.getBlockLightValue(par2, par3 + 1, par4) < 4 && par1World.getBlockLightOpacity(par2, par3 + 1, par4) > 2)
    104                {
    105                    par1World.setBlockWithNotify(par2, par3, par4, Block.dirt.blockID);
    106                }
    107                else if (par1World.getBlockLightValue(par2, par3 + 1, par4) >= 9)
    108                {
    109                    for (int var6 = 0; var6 < 4; ++var6)
    110                    {
    111                        int var7 = par2 + par5Random.nextInt(3) - 1;
    112                        int var8 = par3 + par5Random.nextInt(5) - 3;
    113                        int var9 = par4 + par5Random.nextInt(3) - 1;
    114                        int var10 = par1World.getBlockId(var7, var8 + 1, var9);
    115
    116                        if (par1World.getBlockId(var7, var8, var9) == Block.dirt.blockID && par1World.getBlockLightValue(var7, var8 + 1, var9) >= 4 && par1World.getBlockLightOpacity(var7, var8 + 1, var9) <= 2)
    117                        {
    118                            par1World.setBlockWithNotify(var7, var8, var9, Block.grass.blockID);
    119                        }
    120                    }
    121                }
    122            }
    123        }
    124
    125        /**
    126         * Returns the ID of the items to drop on destruction.
    127         */
    128        public int idDropped(int par1, Random par2Random, int par3)
    129        {
    130            return Block.dirt.idDropped(0, par2Random, par3);
    131        }
    132    }