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path: root/src/main/java/net/minecraft/server/DispenseBehaviorItem.java
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package net.minecraft.server;

// CraftBukkit start
import org.bukkit.craftbukkit.inventory.CraftItemStack;
import org.bukkit.event.block.BlockDispenseEvent;
// CraftBukkit end

public class DispenseBehaviorItem implements IDispenseBehavior {

    public DispenseBehaviorItem() {}

    public final ItemStack a(ISourceBlock isourceblock, ItemStack itemstack) {
        ItemStack itemstack1 = this.b(isourceblock, itemstack);

        this.a(isourceblock);
        this.a(isourceblock, EnumFacing.a(isourceblock.h()));
        return itemstack1;
    }

    protected ItemStack b(ISourceBlock isourceblock, ItemStack itemstack) {
        EnumFacing enumfacing = EnumFacing.a(isourceblock.h());
        IPosition iposition = BlockDispenser.a(isourceblock);
        ItemStack itemstack1 = itemstack.a(1);

        // CraftBukkit start
        if (!a(isourceblock.k(), itemstack1, 6, enumfacing, isourceblock)) {
            itemstack.count++;
        }
        // CraftBukkit end

        return itemstack;
    }

    // CraftBukkit start - void -> boolean return, IPosition -> ISourceBlock last argument
    public static boolean a(World world, ItemStack itemstack, int i, EnumFacing enumfacing, ISourceBlock isourceblock) {
        IPosition iposition = BlockDispenser.a(isourceblock);
        // CraftBukkit end
        double d0 = iposition.getX();
        double d1 = iposition.getY();
        double d2 = iposition.getZ();
        EntityItem entityitem = new EntityItem(world, d0, d1 - 0.3D, d2, itemstack);
        double d3 = world.random.nextDouble() * 0.1D + 0.2D;

        entityitem.motX = (double) enumfacing.c() * d3;
        entityitem.motY = 0.20000000298023224D;
        entityitem.motZ = (double) enumfacing.e() * d3;
        entityitem.motX += world.random.nextGaussian() * 0.007499999832361937D * (double) i;
        entityitem.motY += world.random.nextGaussian() * 0.007499999832361937D * (double) i;
        entityitem.motZ += world.random.nextGaussian() * 0.007499999832361937D * (double) i;

        // CraftBukkit start
        org.bukkit.block.Block block = world.getWorld().getBlockAt(isourceblock.getBlockX(), isourceblock.getBlockY(), isourceblock.getBlockZ());
        org.bukkit.inventory.ItemStack bukkitItem = new CraftItemStack(itemstack).clone();

        BlockDispenseEvent event = new BlockDispenseEvent(block, bukkitItem, new org.bukkit.util.Vector(entityitem.motX, entityitem.motY, entityitem.motZ));
        if (!BlockDispenser.eventFired) {
            world.getServer().getPluginManager().callEvent(event);
        }

        if (event.isCancelled()) {
            return false;
        }

        entityitem.itemStack = CraftItemStack.createNMSItemStack(event.getItem());
        entityitem.motX = event.getVelocity().getX();
        entityitem.motY = event.getVelocity().getY();
        entityitem.motZ = event.getVelocity().getZ();

        if (!event.getItem().equals(bukkitItem)) {
            // Chain to handler for new item
            ItemStack eventStack = CraftItemStack.createNMSItemStack(event.getItem());
            IDispenseBehavior idispensebehavior = (IDispenseBehavior) BlockDispenser.a.a(eventStack.getItem());
            if (idispensebehavior != IDispenseBehavior.a && idispensebehavior.getClass() != DispenseBehaviorItem.class) {
                idispensebehavior.a(isourceblock, eventStack);
            } else {
                world.addEntity(entityitem);
            }
            return false;
        }

        world.addEntity(entityitem);

        return true;
        // CraftBukkit end
    }

    protected void a(ISourceBlock isourceblock) {
        isourceblock.k().triggerEffect(1000, isourceblock.getBlockX(), isourceblock.getBlockY(), isourceblock.getBlockZ(), 0);
    }

    protected void a(ISourceBlock isourceblock, EnumFacing enumfacing) {
        isourceblock.k().triggerEffect(2000, isourceblock.getBlockX(), isourceblock.getBlockY(), isourceblock.getBlockZ(), this.a(enumfacing));
    }

    private int a(EnumFacing enumfacing) {
        return enumfacing.c() + 1 + (enumfacing.e() + 1) * 3;
    }
}