    001package net.minecraft.block;
    002
    003import cpw.mods.fml.relauncher.Side;
    004import cpw.mods.fml.relauncher.SideOnly;
    005import java.util.ArrayList;
    006import java.util.Random;
    007import net.minecraft.client.renderer.texture.IconRegister;
    008import net.minecraft.creativetab.CreativeTabs;
    009import net.minecraft.item.Item;
    010import net.minecraft.item.ItemStack;
    011import net.minecraft.util.Icon;
    012import net.minecraft.util.MathHelper;
    013import net.minecraft.world.World;
    014import net.minecraftforge.common.ForgeDirection;
    015
    016public class BlockCrops extends BlockFlower
    017{
    018    @SideOnly(Side.CLIENT)
    019    private Icon[] iconArray;
    020
    021    protected BlockCrops(int par1)
    022    {
    023        super(par1);
    024        this.setTickRandomly(true);
    025        float f = 0.5F;
    026        this.setBlockBounds(0.5F - f, 0.0F, 0.5F - f, 0.5F + f, 0.25F, 0.5F + f);
    027        this.setCreativeTab((CreativeTabs)null);
    028        this.setHardness(0.0F);
    029        this.setStepSound(soundGrassFootstep);
    030        this.disableStats();
    031    }
    032
    033    /**
    034     * Gets passed in the blockID of the block below and supposed to return true if its allowed to grow on the type of
    035     * blockID passed in. Args: blockID
    036     */
    037    protected boolean canThisPlantGrowOnThisBlockID(int par1)
    038    {
    039        return par1 == Block.tilledField.blockID;
    040    }
    041
    042    /**
    043     * Ticks the block if it's been scheduled
    044     */
    045    public void updateTick(World par1World, int par2, int par3, int par4, Random par5Random)
    046    {
    047        super.updateTick(par1World, par2, par3, par4, par5Random);
    048
    049        if (par1World.getBlockLightValue(par2, par3 + 1, par4) >= 9)
    050        {
    051            int l = par1World.getBlockMetadata(par2, par3, par4);
    052
    053            if (l < 7)
    054            {
    055                float f = this.getGrowthRate(par1World, par2, par3, par4);
    056
    057                if (par5Random.nextInt((int)(25.0F / f) + 1) == 0)
    058                {
    059                    ++l;
    060                    par1World.setBlockMetadataWithNotify(par2, par3, par4, l, 2);
    061                }
    062            }
    063        }
    064    }
    065
    066    /**
    067     * Apply bonemeal to the crops.
    068     */
    069    public void fertilize(World par1World, int par2, int par3, int par4)
    070    {
    071        int l = par1World.getBlockMetadata(par2, par3, par4) + MathHelper.getRandomIntegerInRange(par1World.rand, 2, 5);
    072
    073        if (l > 7)
    074        {
    075            l = 7;
    076        }
    077
    078        par1World.setBlockMetadataWithNotify(par2, par3, par4, l, 2);
    079    }
    080
    081    /**
    082     * Gets the growth rate for the crop. Setup to encourage rows by halving growth rate if there is diagonals, crops on
    083     * different sides that aren't opposing, and by adding growth for every crop next to this one (and for crop below
    084     * this one). Args: x, y, z
    085     */
    086    private float getGrowthRate(World par1World, int par2, int par3, int par4)
    087    {
    088        float f = 1.0F;
    089        int l = par1World.getBlockId(par2, par3, par4 - 1);
    090        int i1 = par1World.getBlockId(par2, par3, par4 + 1);
    091        int j1 = par1World.getBlockId(par2 - 1, par3, par4);
    092        int k1 = par1World.getBlockId(par2 + 1, par3, par4);
    093        int l1 = par1World.getBlockId(par2 - 1, par3, par4 - 1);
    094        int i2 = par1World.getBlockId(par2 + 1, par3, par4 - 1);
    095        int j2 = par1World.getBlockId(par2 + 1, par3, par4 + 1);
    096        int k2 = par1World.getBlockId(par2 - 1, par3, par4 + 1);
    097        boolean flag = j1 == this.blockID || k1 == this.blockID;
    098        boolean flag1 = l == this.blockID || i1 == this.blockID;
    099        boolean flag2 = l1 == this.blockID || i2 == this.blockID || j2 == this.blockID || k2 == this.blockID;
    100
    101        for (int l2 = par2 - 1; l2 <= par2 + 1; ++l2)
    102        {
    103            for (int i3 = par4 - 1; i3 <= par4 + 1; ++i3)
    104            {
    105                int j3 = par1World.getBlockId(l2, par3 - 1, i3);
    106                float f1 = 0.0F;
    107
    108                if (blocksList[j3] != null && blocksList[j3].canSustainPlant(par1World, l2, par3 - 1, i3, ForgeDirection.UP, this))
    109                {
    110                    f1 = 1.0F;
    111
    112                    if (blocksList[j3].isFertile(par1World, l2, par3 - 1, i3))
    113                    {
    114                        f1 = 3.0F;
    115                    }
    116                }
    117
    118                if (l2 != par2 || i3 != par4)
    119                {
    120                    f1 /= 4.0F;
    121                }
    122
    123                f += f1;
    124            }
    125        }
    126
    127        if (flag2 || flag && flag1)
    128        {
    129            f /= 2.0F;
    130        }
    131
    132        return f;
    133    }
    134
    135    @SideOnly(Side.CLIENT)
    136
    137    /**
    138     * From the specified side and block metadata retrieves the blocks texture. Args: side, metadata
    139     */
    140    public Icon getIcon(int par1, int par2)
    141    {
    142        if (par2 < 0 || par2 > 7)
    143        {
    144            par2 = 7;
    145        }
    146
    147        return this.iconArray[par2];
    148    }
    149
    150    /**
    151     * The type of render function that is called for this block
    152     */
    153    public int getRenderType()
    154    {
    155        return 6;
    156    }
    157
    158    /**
    159     * Generate a seed ItemStack for this crop.
    160     */
    161    protected int getSeedItem()
    162    {
    163        return Item.seeds.itemID;
    164    }
    165
    166    /**
    167     * Generate a crop produce ItemStack for this crop.
    168     */
    169    protected int getCropItem()
    170    {
    171        return Item.wheat.itemID;
    172    }
    173
    174    /**
    175     * Drops the block items with a specified chance of dropping the specified items
    176     */
    177    public void dropBlockAsItemWithChance(World par1World, int par2, int par3, int par4, int par5, float par6, int par7)
    178    {
    179        super.dropBlockAsItemWithChance(par1World, par2, par3, par4, par5, par6, 0);
    180    }
    181
    182    @Override
    183    public ArrayList<ItemStack> getBlockDropped(World world, int x, int y, int z, int metadata, int fortune)
    184    {
    185        ArrayList<ItemStack> ret = super.getBlockDropped(world, x, y, z, metadata, fortune);
    186
    187        if (metadata >= 7)
    188        {
    189            for (int n = 0; n < 3 + fortune; n++)
    190            {
    191                if (world.rand.nextInt(15) <= metadata)
    192                {
    193                    ret.add(new ItemStack(this.getSeedItem(), 1, 0));
    194                }
    195            }
    196        }
    197
    198        return ret;
    199    }
    200
    201    /**
    202     * Returns the ID of the items to drop on destruction.
    203     */
    204    public int idDropped(int par1, Random par2Random, int par3)
    205    {
    206        return par1 == 7 ? this.getCropItem() : this.getSeedItem();
    207    }
    208
    209    /**
    210     * Returns the quantity of items to drop on block destruction.
    211     */
    212    public int quantityDropped(Random par1Random)
    213    {
    214        return 1;
    215    }
    216
    217    @SideOnly(Side.CLIENT)
    218
    219    /**
    220     * only called by clickMiddleMouseButton , and passed to inventory.setCurrentItem (along with isCreative)
    221     */
    222    public int idPicked(World par1World, int par2, int par3, int par4)
    223    {
    224        return this.getSeedItem();
    225    }
    226
    227    @SideOnly(Side.CLIENT)
    228
    229    /**
    230     * When this method is called, your block should register all the icons it needs with the given IconRegister. This
    231     * is the only chance you get to register icons.
    232     */
    233    public void registerIcons(IconRegister par1IconRegister)
    234    {
    235        this.iconArray = new Icon[8];
    236
    237        for (int i = 0; i < this.iconArray.length; ++i)
    238        {
    239            this.iconArray[i] = par1IconRegister.registerIcon("crops_" + i);
    240        }
    241    }
    242}