001 package net.minecraft.block;
002
003 import cpw.mods.fml.relauncher.Side;
004 import cpw.mods.fml.relauncher.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 }