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        return switch (flagName) {
046            case "mob-cap" -> CAP_MOB;
047            case "hostile-cap" -> CAP_MONSTER;
048            case "animal-cap" -> CAP_ANIMAL;
049            case "vehicle-cap" -> CAP_VEHICLE;
050            case "misc-cap" -> CAP_MISC;
051            default -> CAP_ENTITY;
052        };
053    }
054
055    @SuppressWarnings("unchecked")
056    public static boolean checkEntity(Plot plot, PlotFlag<Integer, ?>... flags) {
057        if (Settings.Done.RESTRICT_BUILDING && DoneFlag.isDone(plot)) {
058            return true;
059        }
060        int[] mobs = null;
061        for (PlotFlag<Integer, ?> flag : flags) {
062            final int i = capNumeral(flag.getName());
063            int cap = plot.getFlag(flag);
064            if (cap == Integer.MAX_VALUE) {
065                continue;
066            }
067            if (cap == 0) {
068                return true;
069            }
070            if (mobs == null) {
071                mobs = plot.countEntities();
072            }
073            if (mobs[i] >= cap) {
074                plot.setMeta("EntityCount", mobs);
075                plot.setMeta("EntityCountTime", System.currentTimeMillis());
076                plot.debug("Prevented spawning of mob because it would exceed " + flag.getName());
077                return true;
078            }
079        }
080        if (mobs != null) {
081            for (PlotFlag<Integer, ?> flag : flags) {
082                final int i = capNumeral(flag.getName());
083                mobs[i]++;
084            }
085            plot.setMeta("EntityCount", mobs);
086            plot.setMeta("EntityCountTime", System.currentTimeMillis());
087        }
088        return false;
089    }
090
091}