    001package net.minecraft.block;
    002
    003import cpw.mods.fml.relauncher.Side;
    004import cpw.mods.fml.relauncher.SideOnly;
    005
    006import java.util.ArrayList;
    007import java.util.Random;
    008import net.minecraft.creativetab.CreativeTabs;
    009import net.minecraft.item.Item;
    010import net.minecraft.item.ItemStack;
    011import net.minecraft.world.World;
    012import net.minecraftforge.common.ForgeDirection;
    013
    014public class BlockCrops extends BlockFlower
    015{
    016    protected BlockCrops(int par1, int par2)
    017    {
    018        super(par1, par2);
    019        this.blockIndexInTexture = par2;
    020        this.setTickRandomly(true);
    021        float var3 = 0.5F;
    022        this.setBlockBounds(0.5F - var3, 0.0F, 0.5F - var3, 0.5F + var3, 0.25F, 0.5F + var3);
    023        this.setCreativeTab((CreativeTabs)null);
    024        this.setHardness(0.0F);
    025        this.setStepSound(soundGrassFootstep);
    026        this.disableStats();
    027        this.setRequiresSelfNotify();
    028    }
    029
    030    /**
    031     * Gets passed in the blockID of the block below and supposed to return true if its allowed to grow on the type of
    032     * blockID passed in. Args: blockID
    033     */
    034    protected boolean canThisPlantGrowOnThisBlockID(int par1)
    035    {
    036        return par1 == Block.tilledField.blockID;
    037    }
    038
    039    /**
    040     * Ticks the block if it's been scheduled
    041     */
    042    public void updateTick(World par1World, int par2, int par3, int par4, Random par5Random)
    043    {
    044        super.updateTick(par1World, par2, par3, par4, par5Random);
    045
    046        if (par1World.getBlockLightValue(par2, par3 + 1, par4) >= 9)
    047        {
    048            int var6 = par1World.getBlockMetadata(par2, par3, par4);
    049
    050            if (var6 < 7)
    051            {
    052                float var7 = this.getGrowthRate(par1World, par2, par3, par4);
    053
    054                if (par5Random.nextInt((int)(25.0F / var7) + 1) == 0)
    055                {
    056                    ++var6;
    057                    par1World.setBlockMetadataWithNotify(par2, par3, par4, var6);
    058                }
    059            }
    060        }
    061    }
    062
    063    /**
    064     * Apply bonemeal to the crops.
    065     */
    066    public void fertilize(World par1World, int par2, int par3, int par4)
    067    {
    068        par1World.setBlockMetadataWithNotify(par2, par3, par4, 7);
    069    }
    070
    071    /**
    072     * Gets the growth rate for the crop. Setup to encourage rows by halving growth rate if there is diagonals, crops on
    073     * different sides that aren't opposing, and by adding growth for every crop next to this one (and for crop below
    074     * this one). Args: x, y, z
    075     */
    076    private float getGrowthRate(World par1World, int par2, int par3, int par4)
    077    {
    078        float var5 = 1.0F;
    079        int var6 = par1World.getBlockId(par2, par3, par4 - 1);
    080        int var7 = par1World.getBlockId(par2, par3, par4 + 1);
    081        int var8 = par1World.getBlockId(par2 - 1, par3, par4);
    082        int var9 = par1World.getBlockId(par2 + 1, par3, par4);
    083        int var10 = par1World.getBlockId(par2 - 1, par3, par4 - 1);
    084        int var11 = par1World.getBlockId(par2 + 1, par3, par4 - 1);
    085        int var12 = par1World.getBlockId(par2 + 1, par3, par4 + 1);
    086        int var13 = par1World.getBlockId(par2 - 1, par3, par4 + 1);
    087        boolean var14 = var8 == this.blockID || var9 == this.blockID;
    088        boolean var15 = var6 == this.blockID || var7 == this.blockID;
    089        boolean var16 = var10 == this.blockID || var11 == this.blockID || var12 == this.blockID || var13 == this.blockID;
    090
    091        for (int var17 = par2 - 1; var17 <= par2 + 1; ++var17)
    092        {
    093            for (int var18 = par4 - 1; var18 <= par4 + 1; ++var18)
    094            {
    095                int var19 = par1World.getBlockId(var17, par3 - 1, var18);
    096                float var20 = 0.0F;
    097
    098                if (blocksList[var19] != null && blocksList[var19].canSustainPlant(par1World, var17, par3 - 1, var18, ForgeDirection.UP, this))
    099                {
    100                    var20 = 1.0F;
    101
    102                    if (blocksList[var19].isFertile(par1World, var17, par3 - 1, var18))
    103                    {
    104                        var20 = 3.0F;
    105                    }
    106                }
    107
    108                if (var17 != par2 || var18 != par4)
    109                {
    110                    var20 /= 4.0F;
    111                }
    112
    113                var5 += var20;
    114            }
    115        }
    116
    117        if (var16 || var14 && var15)
    118        {
    119            var5 /= 2.0F;
    120        }
    121
    122        return var5;
    123    }
    124
    125    /**
    126     * From the specified side and block metadata retrieves the blocks texture. Args: side, metadata
    127     */
    128    public int getBlockTextureFromSideAndMetadata(int par1, int par2)
    129    {
    130        if (par2 < 0)
    131        {
    132            par2 = 7;
    133        }
    134
    135        return this.blockIndexInTexture + par2;
    136    }
    137
    138    /**
    139     * The type of render function that is called for this block
    140     */
    141    public int getRenderType()
    142    {
    143        return 6;
    144    }
    145
    146    /**
    147     * Generate a seed ItemStack for this crop.
    148     */
    149    protected int getSeedItem()
    150    {
    151        return Item.seeds.itemID;
    152    }
    153
    154    /**
    155     * Generate a crop produce ItemStack for this crop.
    156     */
    157    protected int getCropItem()
    158    {
    159        return Item.wheat.itemID;
    160    }
    161
    162    /**
    163     * Drops the block items with a specified chance of dropping the specified items
    164     */
    165    public void dropBlockAsItemWithChance(World par1World, int par2, int par3, int par4, int par5, float par6, int par7)
    166    {
    167        super.dropBlockAsItemWithChance(par1World, par2, par3, par4, par5, par6, 0);
    168    }
    169
    170    @Override
    171    public ArrayList<ItemStack> getBlockDropped(World world, int x, int y, int z, int metadata, int fortune)
    172    {
    173        ArrayList<ItemStack> ret = super.getBlockDropped(world, x, y, z, metadata, fortune);
    174
    175        if (metadata >= 7)
    176        {
    177            for (int n = 0; n < 3 + fortune; n++)
    178            {
    179                if (world.rand.nextInt(15) <= metadata)
    180                {
    181                    ret.add(new ItemStack(this.getSeedItem(), 1, 0));
    182                }
    183            }
    184        }
    185
    186        return ret;
    187    }
    188
    189    /**
    190     * Returns the ID of the items to drop on destruction.
    191     */
    192    public int idDropped(int par1, Random par2Random, int par3)
    193    {
    194        return par1 == 7 ? this.getCropItem() : this.getSeedItem();
    195    }
    196
    197    /**
    198     * Returns the quantity of items to drop on block destruction.
    199     */
    200    public int quantityDropped(Random par1Random)
    201    {
    202        return 1;
    203    }
    204
    205    @SideOnly(Side.CLIENT)
    206
    207    /**
    208     * only called by clickMiddleMouseButton , and passed to inventory.setCurrentItem (along with isCreative)
    209     */
    210    public int idPicked(World par1World, int par2, int par3, int par4)
    211    {
    212        return this.getSeedItem();
    213    }
    214}