PotionLauncher.java

package com.taiter.ce.CItems;

/*
* This file is part of Custom Enchantments
* Copyright (C) Taiterio 2015
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by the
* Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/

import org.bukkit.ChatColor;
import org.bukkit.Effect;
import org.bukkit.GameMode;
import org.bukkit.Location;
import org.bukkit.Material;
import org.bukkit.entity.Player;
import org.bukkit.entity.ThrownPotion;
import org.bukkit.event.Event;
import org.bukkit.inventory.ItemStack;

import com.taiter.ce.EffectManager;

public class PotionLauncher extends CItem {

    int ProjectileSpeedMultiplier;

    public PotionLauncher(String originalName, ChatColor color, String lDescription, long lCooldown, Material mat) {
        super(originalName, color, lDescription, lCooldown, mat);
        this.configEntries.put("ProjectileSpeedMultiplier", 4);
        triggers.add(Trigger.INTERACT_RIGHT);
    }

    @Override
    public boolean effect(Event event, Player player) {
        int slot = player.getInventory().getHeldItemSlot();

        ItemStack potion = player.getInventory().getItem(slot + 1);
        Location loc = player.getLocation();
        if (potion != null && potion.getType().toString().contains("POTION")) {
            ThrownPotion tp = player.launchProjectile(ThrownPotion.class);
            EffectManager.playSound(loc, "ENTITY_GENERIC_EXPLODE", 0.5f, 2f);

            try {
                tp.setItem(potion);
            } catch (IllegalArgumentException ex) {
                ItemStack pt = potion.clone();
                if (potion.getType().equals(Material.POTION) || potion.getType().equals(Material.LINGERING_POTION))
                    pt.setType(Material.SPLASH_POTION);
                tp.setItem(pt);
            }

            tp.setBounce(false);
            tp.setVelocity(loc.getDirection().multiply(ProjectileSpeedMultiplier));
            if (!player.getGameMode().equals(GameMode.CREATIVE)) {
                potion.setAmount(potion.getAmount() - 1);
                player.getInventory().setItem(slot + 1, potion);
                player.updateInventory();
            }
            return true;
        } else {
            player.sendMessage(ChatColor.RED + "You need a Potion in the slot to the right of the Potion Launcher!");
            player.getWorld().playEffect(loc, Effect.CLICK1, 5);
        }
        return false;
    }

    @Override
    public void initConfigEntries() {
        ProjectileSpeedMultiplier = Integer.parseInt(getConfig().getString("Items." + getOriginalName() + ".ProjectileSpeedMultiplier"));
    }

}