001package net.minecraft.block;
002
003import cpw.mods.fml.relauncher.Side;
004import cpw.mods.fml.relauncher.SideOnly;
005import java.util.Random;
006import net.minecraft.block.material.Material;
007import net.minecraft.creativetab.CreativeTabs;
008import net.minecraft.world.ColorizerGrass;
009import net.minecraft.world.IBlockAccess;
010import net.minecraft.world.World;
011
012public 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}