001/*
002 * PlotSquared, a land and world management plugin for Minecraft.
003 * Copyright (C) IntellectualSites <https://intellectualsites.com>
004 * Copyright (C) IntellectualSites team and contributors
005 *
006 * This program is free software: you can redistribute it and/or modify
007 * it under the terms of the GNU General Public License as published by
008 * the Free Software Foundation, either version 3 of the License, or
009 * (at your option) any later version.
010 *
011 * This program is distributed in the hope that it will be useful,
012 * but WITHOUT ANY WARRANTY; without even the implied warranty of
013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
014 * GNU General Public License for more details.
015 *
016 * You should have received a copy of the GNU General Public License
017 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
018 */
019package com.plotsquared.core.util;
020
021import com.plotsquared.core.configuration.Settings;
022import com.plotsquared.core.plot.Plot;
023import com.plotsquared.core.plot.flag.PlotFlag;
024import com.plotsquared.core.plot.flag.implementations.DoneFlag;
025import org.checkerframework.checker.nullness.qual.NonNull;
026
027import static com.plotsquared.core.util.entity.EntityCategories.CAP_ANIMAL;
028import static com.plotsquared.core.util.entity.EntityCategories.CAP_ENTITY;
029import static com.plotsquared.core.util.entity.EntityCategories.CAP_MISC;
030import static com.plotsquared.core.util.entity.EntityCategories.CAP_MOB;
031import static com.plotsquared.core.util.entity.EntityCategories.CAP_MONSTER;
032import static com.plotsquared.core.util.entity.EntityCategories.CAP_VEHICLE;
033
034/**
035 * Entity related general utility methods
036 */
037public class EntityUtil {
038
039    private EntityUtil() {
040        throw new UnsupportedOperationException(
041                "This is a utility class and cannot be instantiated");
042    }
043
044    private static int capNumeral(final @NonNull String flagName) {
045        int i;
046        switch (flagName) {
047            case "mob-cap":
048                i = CAP_MOB;
049                break;
050            case "hostile-cap":
051                i = CAP_MONSTER;
052                break;
053            case "animal-cap":
054                i = CAP_ANIMAL;
055                break;
056            case "vehicle-cap":
057                i = CAP_VEHICLE;
058                break;
059            case "misc-cap":
060                i = CAP_MISC;
061                break;
062            case "entity-cap":
063            default:
064                i = CAP_ENTITY;
065        }
066        return i;
067    }
068
069    @SuppressWarnings("unchecked")
070    public static boolean checkEntity(Plot plot, PlotFlag<Integer, ?>... flags) {
071        if (Settings.Done.RESTRICT_BUILDING && DoneFlag.isDone(plot)) {
072            return true;
073        }
074        int[] mobs = null;
075        for (PlotFlag<Integer, ?> flag : flags) {
076            final int i = capNumeral(flag.getName());
077            int cap = plot.getFlag(flag);
078            if (cap == Integer.MAX_VALUE) {
079                continue;
080            }
081            if (cap == 0) {
082                return true;
083            }
084            if (mobs == null) {
085                mobs = plot.countEntities();
086            }
087            if (mobs[i] >= cap) {
088                plot.setMeta("EntityCount", mobs);
089                plot.setMeta("EntityCountTime", System.currentTimeMillis());
090                plot.debug("Prevented spawning of mob because it would exceed " + flag.getName());
091                return true;
092            }
093        }
094        if (mobs != null) {
095            for (PlotFlag<Integer, ?> flag : flags) {
096                final int i = capNumeral(flag.getName());
097                mobs[i]++;
098            }
099            plot.setMeta("EntityCount", mobs);
100            plot.setMeta("EntityCountTime", System.currentTimeMillis());
101        }
102        return false;
103    }
104
105}