CustomNPC-Plus/src/main/java/noppes/npcs/items/ItemSlingshot.java

package noppes.npcs.items;

import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.init.Blocks;
import net.minecraft.item.EnumAction;
import net.minecraft.item.Item;
import net.minecraft.item.ItemStack;
import net.minecraft.world.World;
import noppes.npcs.CustomItems;
import noppes.npcs.constants.EnumParticleType;
import noppes.npcs.entity.EntityProjectile;
import org.lwjgl.opengl.GL11;

public class ItemSlingshot extends ItemNpcInterface {

    public ItemSlingshot(int par1) {
        super(par1);
        this.maxStackSize = 1;
        this.setMaxDamage(384);
        setCreativeTab(CustomItems.tabWeapon);
    }

    @Override
    public void onPlayerStoppedUsing(ItemStack par1ItemStack, World worldObj, EntityPlayer player, int par4) {
        if (worldObj.isRemote)
            return;
        int ticks = getMaxItemUseDuration(par1ItemStack) - par4;

        if (ticks < 6) {//prevent rightclick spamming
            return;
        }
        if (!player.capabilities.isCreativeMode && !consumeItem(player, Item.getItemFromBlock(Blocks.cobblestone))) {
            return;
        }
        par1ItemStack.damageItem(1, player);
        EntityProjectile projectile = new EntityProjectile(worldObj, player, new ItemStack(Blocks.cobblestone), false);
        projectile.damage = 4;
        projectile.punch = 1;
        projectile.setRotating(true);
        if (ticks > 24) {
            projectile.setParticleEffect(EnumParticleType.Crit);
            projectile.punch = 2;
        }
        projectile.setHasGravity(true);
        projectile.setSpeed(14);
        projectile.shoot(1);

        worldObj.playSoundAtEntity(player, "random.bow", 1.0F, itemRand.nextFloat() * 0.3F + 0.8F);
        worldObj.spawnEntityInWorld(projectile);
    }

    @Override
    public void renderSpecial() {
        GL11.glRotatef(90, 0, 1, 0);
        GL11.glScalef(0.5f, 0.5f, 0.5f);
        GL11.glTranslatef(0f, 0.5f, 0);
    }

    /**
     * Called whenever this item is equipped and the right mouse button is pressed. Args: itemStack, world, entityPlayer
     */
    @Override
    public ItemStack onItemRightClick(ItemStack par1ItemStack, World par2World, EntityPlayer par3EntityPlayer) {
        par3EntityPlayer.setItemInUse(par1ItemStack, this.getMaxItemUseDuration(par1ItemStack));
        return par1ItemStack;
    }

    @Override
    public int getMaxItemUseDuration(ItemStack par1ItemStack) {
        return 72000;
    }

    public EnumAction getItemUseAction(ItemStack par1ItemStack) {
        return EnumAction.bow;
    }
}