ZoneUtil.java

/*
 * Copyright 2015 Demigods RPG
 * Copyright 2015 Alexander Chauncey
 * Copyright 2015 Alex Bennett
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.demigodsrpg.util;

import com.google.common.collect.Sets;
import org.bukkit.Bukkit;
import org.bukkit.Location;
import org.bukkit.World;
import org.bukkit.configuration.Configuration;
import org.bukkit.event.entity.EntityDamageByEntityEvent;
import org.bukkit.plugin.Plugin;

import java.util.Set;

public class ZoneUtil {
    private static final Set<String> ENABLED_WORLDS = Sets.newHashSet();
    private static Configuration PLUGIN_CONFIG;

    public static int init(Plugin plugin) {
        // Get the plugin config
        PLUGIN_CONFIG = plugin.getConfig();

        // Load disabled worlds
        Set<String> enabledWorlds = Sets.newHashSet();
        int erroredWorlds = 0;
        for (String world : PLUGIN_CONFIG.getStringList("active_worlds")) {
            enabledWorlds.add(world);
            erroredWorlds += Bukkit.getServer().getWorld(world) == null ? 1 : 0;
        }
        ENABLED_WORLDS.addAll(enabledWorlds);

        // Init WorldGuard stuff
        WorldGuardUtil.setWhenToOverridePVP(plugin, event -> event instanceof EntityDamageByEntityEvent && !inNoDGZone(((EntityDamageByEntityEvent) event).getEntity().getLocation()));

        return erroredWorlds;
    }

    /**
     * Returns true if <code>location</code> is within a no-PVP zone.
     *
     * @param location the location to check.
     * @return true/false depending on if it's a no-PVP zone or not.
     */
    public static boolean inNoPvpZone(Location location) {
        return !PLUGIN_CONFIG.getBoolean("zones.allow_skills_anywhere") && WorldGuardUtil.worldGuardEnabled() && !WorldGuardUtil.canPVP(location);
    }

    public static boolean inNoDGZone(Location location) {
        return isNoDGWorld(location.getWorld());
    }

    public static boolean isNoDGWorld(World world) {
        return !ENABLED_WORLDS.contains(world.getName());
    }

    public static void enableWorld(String worldName) {
        ENABLED_WORLDS.add(worldName);
    }

    public static void disableWorld(String worldName) {
        ENABLED_WORLDS.remove(worldName);
    }
}