001package net.minecraft.dispenser;
002
003import net.minecraft.block.BlockDispenser;
004import net.minecraft.entity.item.EntityItem;
005import net.minecraft.item.ItemStack;
006import net.minecraft.util.EnumFacing;
007import net.minecraft.world.World;
008
009public class BehaviorDefaultDispenseItem implements IBehaviorDispenseItem
010{
011    /**
012     * Dispenses the specified ItemStack from a dispenser.
013     */
014    public final ItemStack dispense(IBlockSource par1IBlockSource, ItemStack par2ItemStack)
015    {
016        ItemStack itemstack1 = this.dispenseStack(par1IBlockSource, par2ItemStack);
017        this.playDispenseSound(par1IBlockSource);
018        this.spawnDispenseParticles(par1IBlockSource, BlockDispenser.getFacing(par1IBlockSource.getBlockMetadata()));
019        return itemstack1;
020    }
021
022    /**
023     * Dispense the specified stack, play the dispense sound and spawn particles.
024     */
025    protected ItemStack dispenseStack(IBlockSource par1IBlockSource, ItemStack par2ItemStack)
026    {
027        EnumFacing enumfacing = BlockDispenser.getFacing(par1IBlockSource.getBlockMetadata());
028        IPosition iposition = BlockDispenser.getIPositionFromBlockSource(par1IBlockSource);
029        ItemStack itemstack1 = par2ItemStack.splitStack(1);
030        doDispense(par1IBlockSource.getWorld(), itemstack1, 6, enumfacing, iposition);
031        return par2ItemStack;
032    }
033
034    public static void doDispense(World par0World, ItemStack par1ItemStack, int par2, EnumFacing par3EnumFacing, IPosition par4IPosition)
035    {
036        double d0 = par4IPosition.getX();
037        double d1 = par4IPosition.getY();
038        double d2 = par4IPosition.getZ();
039        EntityItem entityitem = new EntityItem(par0World, d0, d1 - 0.3D, d2, par1ItemStack);
040        double d3 = par0World.rand.nextDouble() * 0.1D + 0.2D;
041        entityitem.motionX = (double)par3EnumFacing.getFrontOffsetX() * d3;
042        entityitem.motionY = 0.20000000298023224D;
043        entityitem.motionZ = (double)par3EnumFacing.getFrontOffsetZ() * d3;
044        entityitem.motionX += par0World.rand.nextGaussian() * 0.007499999832361937D * (double)par2;
045        entityitem.motionY += par0World.rand.nextGaussian() * 0.007499999832361937D * (double)par2;
046        entityitem.motionZ += par0World.rand.nextGaussian() * 0.007499999832361937D * (double)par2;
047        par0World.spawnEntityInWorld(entityitem);
048    }
049
050    /**
051     * Play the dispense sound from the specified block.
052     */
053    protected void playDispenseSound(IBlockSource par1IBlockSource)
054    {
055        par1IBlockSource.getWorld().playAuxSFX(1000, par1IBlockSource.getXInt(), par1IBlockSource.getYInt(), par1IBlockSource.getZInt(), 0);
056    }
057
058    /**
059     * Order clients to display dispense particles from the specified block and facing.
060     */
061    protected void spawnDispenseParticles(IBlockSource par1IBlockSource, EnumFacing par2EnumFacing)
062    {
063        par1IBlockSource.getWorld().playAuxSFX(2000, par1IBlockSource.getXInt(), par1IBlockSource.getYInt(), par1IBlockSource.getZInt(), this.func_82488_a(par2EnumFacing));
064    }
065
066    private int func_82488_a(EnumFacing par1EnumFacing)
067    {
068        return par1EnumFacing.getFrontOffsetX() + 1 + (par1EnumFacing.getFrontOffsetZ() + 1) * 3;
069    }
070}