    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.client.renderer.texture.IconRegister;
    008import net.minecraft.entity.Entity;
    009import net.minecraft.entity.player.EntityPlayer;
    010import net.minecraft.util.AxisAlignedBB;
    011import net.minecraft.util.Icon;
    012import net.minecraft.world.World;
    013
    014import net.minecraftforge.common.ForgeDirection;
    015import net.minecraftforge.common.IPlantable;
    016
    017public class BlockFarmland extends Block
    018{
    019    @SideOnly(Side.CLIENT)
    020    private Icon field_94441_a;
    021    @SideOnly(Side.CLIENT)
    022    private Icon field_94440_b;
    023
    024    protected BlockFarmland(int par1)
    025    {
    026        super(par1, Material.ground);
    027        this.setTickRandomly(true);
    028        this.setBlockBounds(0.0F, 0.0F, 0.0F, 1.0F, 0.9375F, 1.0F);
    029        this.setLightOpacity(255);
    030    }
    031
    032    /**
    033     * Returns a bounding box from the pool of bounding boxes (this means this box can change after the pool has been
    034     * cleared to be reused)
    035     */
    036    public AxisAlignedBB getCollisionBoundingBoxFromPool(World par1World, int par2, int par3, int par4)
    037    {
    038        return AxisAlignedBB.getAABBPool().getAABB((double)(par2 + 0), (double)(par3 + 0), (double)(par4 + 0), (double)(par2 + 1), (double)(par3 + 1), (double)(par4 + 1));
    039    }
    040
    041    /**
    042     * Is this block (a) opaque and (b) a full 1m cube?  This determines whether or not to render the shared face of two
    043     * adjacent blocks and also whether the player can attach torches, redstone wire, etc to this block.
    044     */
    045    public boolean isOpaqueCube()
    046    {
    047        return false;
    048    }
    049
    050    /**
    051     * If this block doesn't render as an ordinary block it will return False (examples: signs, buttons, stairs, etc)
    052     */
    053    public boolean renderAsNormalBlock()
    054    {
    055        return false;
    056    }
    057
    058    @SideOnly(Side.CLIENT)
    059
    060    /**
    061     * From the specified side and block metadata retrieves the blocks texture. Args: side, metadata
    062     */
    063    public Icon getIcon(int par1, int par2)
    064    {
    065        return par1 == 1 ? (par2 > 0 ? this.field_94441_a : this.field_94440_b) : Block.dirt.getBlockTextureFromSide(par1);
    066    }
    067
    068    /**
    069     * Ticks the block if it's been scheduled
    070     */
    071    public void updateTick(World par1World, int par2, int par3, int par4, Random par5Random)
    072    {
    073        if (!this.isWaterNearby(par1World, par2, par3, par4) && !par1World.canLightningStrikeAt(par2, par3 + 1, par4))
    074        {
    075            int l = par1World.getBlockMetadata(par2, par3, par4);
    076
    077            if (l > 0)
    078            {
    079                par1World.setBlockMetadataWithNotify(par2, par3, par4, l - 1, 2);
    080            }
    081            else if (!this.isCropsNearby(par1World, par2, par3, par4))
    082            {
    083                par1World.setBlock(par2, par3, par4, Block.dirt.blockID);
    084            }
    085        }
    086        else
    087        {
    088            par1World.setBlockMetadataWithNotify(par2, par3, par4, 7, 2);
    089        }
    090    }
    091
    092    /**
    093     * Block's chance to react to an entity falling on it.
    094     */
    095    public void onFallenUpon(World par1World, int par2, int par3, int par4, Entity par5Entity, float par6)
    096    {
    097        if (!par1World.isRemote && par1World.rand.nextFloat() < par6 - 0.5F)
    098        {
    099            if (!(par5Entity instanceof EntityPlayer) && !par1World.getGameRules().getGameRuleBooleanValue("mobGriefing"))
    100            {
    101                return;
    102            }
    103
    104            par1World.setBlock(par2, par3, par4, Block.dirt.blockID);
    105        }
    106    }
    107
    108    /**
    109     * returns true if there is at least one cropblock nearby (x-1 to x+1, y+1, z-1 to z+1)
    110     */
    111    private boolean isCropsNearby(World par1World, int par2, int par3, int par4)
    112    {
    113        byte b0 = 0;
    114
    115        for (int l = par2 - b0; l <= par2 + b0; ++l)
    116        {
    117            for (int i1 = par4 - b0; i1 <= par4 + b0; ++i1)
    118            {
    119                int j1 = par1World.getBlockId(l, par3 + 1, i1);
    120
    121                Block plant = blocksList[j1];
    122                if (plant instanceof IPlantable && canSustainPlant(par1World, par2, par3, par4, ForgeDirection.UP, (IPlantable)plant))
    123                {
    124                    return true;
    125                }
    126            }
    127        }
    128
    129        return false;
    130    }
    131
    132    /**
    133     * returns true if there's water nearby (x-4 to x+4, y to y+1, k-4 to k+4)
    134     */
    135    private boolean isWaterNearby(World par1World, int par2, int par3, int par4)
    136    {
    137        for (int l = par2 - 4; l <= par2 + 4; ++l)
    138        {
    139            for (int i1 = par3; i1 <= par3 + 1; ++i1)
    140            {
    141                for (int j1 = par4 - 4; j1 <= par4 + 4; ++j1)
    142                {
    143                    if (par1World.getBlockMaterial(l, i1, j1) == Material.water)
    144                    {
    145                        return true;
    146                    }
    147                }
    148            }
    149        }
    150
    151        return false;
    152    }
    153
    154    /**
    155     * Lets the block know when one of its neighbor changes. Doesn't know which neighbor changed (coordinates passed are
    156     * their own) Args: x, y, z, neighbor blockID
    157     */
    158    public void onNeighborBlockChange(World par1World, int par2, int par3, int par4, int par5)
    159    {
    160        super.onNeighborBlockChange(par1World, par2, par3, par4, par5);
    161        Material material = par1World.getBlockMaterial(par2, par3 + 1, par4);
    162
    163        if (material.isSolid())
    164        {
    165            par1World.setBlock(par2, par3, par4, Block.dirt.blockID);
    166        }
    167    }
    168
    169    /**
    170     * Returns the ID of the items to drop on destruction.
    171     */
    172    public int idDropped(int par1, Random par2Random, int par3)
    173    {
    174        return Block.dirt.idDropped(0, par2Random, par3);
    175    }
    176
    177    @SideOnly(Side.CLIENT)
    178
    179    /**
    180     * only called by clickMiddleMouseButton , and passed to inventory.setCurrentItem (along with isCreative)
    181     */
    182    public int idPicked(World par1World, int par2, int par3, int par4)
    183    {
    184        return Block.dirt.blockID;
    185    }
    186
    187    @SideOnly(Side.CLIENT)
    188
    189    /**
    190     * When this method is called, your block should register all the icons it needs with the given IconRegister. This
    191     * is the only chance you get to register icons.
    192     */
    193    public void registerIcons(IconRegister par1IconRegister)
    194    {
    195        this.field_94441_a = par1IconRegister.registerIcon("farmland_wet");
    196        this.field_94440_b = par1IconRegister.registerIcon("farmland_dry");
    197    }
    198}