FactionsTabPlugin.java

/*
 * This file is part of factions-relation-tab, licensed under the MIT License.
 *
 *  Copyright (c) lucko (Luck) <luck@lucko.me>
 *  Copyright (c) contributors
 *
 *  Permission is hereby granted, free of charge, to any person obtaining a copy
 *  of this software and associated documentation files (the "Software"), to deal
 *  in the Software without restriction, including without limitation the rights
 *  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 *  copies of the Software, and to permit persons to whom the Software is
 *  furnished to do so, subject to the following conditions:
 *
 *  The above copyright notice and this permission notice shall be included in all
 *  copies or substantial portions of the Software.
 *
 *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 *  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 *  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 *  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 *  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 *  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 *  SOFTWARE.
 */

package me.lucko.factionstab;

import com.massivecraft.factions.FPlayer;
import com.massivecraft.factions.FPlayers;
import com.massivecraft.factions.event.FPlayerJoinEvent;
import com.massivecraft.factions.event.FPlayerLeaveEvent;
import com.massivecraft.factions.event.FactionCreateEvent;
import com.massivecraft.factions.event.FactionDisbandEvent;
import com.massivecraft.factions.event.FactionRelationEvent;
import com.massivecraft.factions.struct.Relation;

import me.lucko.helper.Events;
import me.lucko.helper.Schedulers;
import me.lucko.helper.metadata.Metadata;
import me.lucko.helper.metadata.MetadataKey;
import me.lucko.helper.plugin.ExtendedJavaPlugin;
import me.lucko.helper.plugin.ap.Plugin;
import me.lucko.helper.promise.Promise;
import me.lucko.helper.scoreboard.PacketScoreboard;
import me.lucko.helper.scoreboard.PacketScoreboardProvider;
import me.lucko.helper.scoreboard.PacketScoreboardTeam;
import me.lucko.helper.scoreboard.ScoreboardTeam;
import me.lucko.helper.text.Text;
import me.lucko.helper.utils.Players;

import org.bukkit.entity.Player;
import org.bukkit.event.Event;
import org.bukkit.event.player.PlayerJoinEvent;
import org.bukkit.event.player.PlayerQuitEvent;

import java.util.HashMap;
import java.util.Map;
import java.util.Objects;

@Plugin(name = "factions-tab-plugin", hardDepends = {"helper", "ProtocolLib", "Factions"})
public class FactionsTabPlugin extends ExtendedJavaPlugin {

    private static final MetadataKey<PlayerTab> TAB_KEY = MetadataKey.create("factions-tab", PlayerTab.class);

    private FPlayers players;

    @Override
    protected void enable() {
        this.players = FPlayers.getInstance();

        PacketScoreboard scoreboard = getService(PacketScoreboardProvider.class).getScoreboard();

        Events.subscribe(PlayerJoinEvent.class)
                .handler(e -> Schedulers.async().run(() -> {
                    FPlayer fplayer = this.players.getByPlayer(e.getPlayer());
                    Rank rank = Rank.determine(e.getPlayer());
                    
                    // init our tab
                    PlayerTab tab = new PlayerTab(e.getPlayer(), scoreboard);
                    for (Player other : Players.all()) {
                        Rank r = Rank.determine(other);
                        tab.handleJoin(other, this.players.getByPlayer(other), r);
                    }

                    Metadata.provideForPlayer(e.getPlayer()).put(TAB_KEY, tab);

                    // update the tabs for other players
                    for (PlayerTab otherTab : Metadata.players().getAllWithKey(TAB_KEY).values()) {
                        otherTab.handleJoin(e.getPlayer(), fplayer, rank);
                    }
                }))
                .bindWith(this);

        Events.subscribe(PlayerQuitEvent.class)
                .handler(e -> Schedulers.async().run(() -> {
                    // update the tabs for other players
                    for (PlayerTab otherTab : Metadata.players().getAllWithKey(TAB_KEY).values()) {
                        otherTab.handleQuit(e.getPlayer());
                    }
                }))
                .bindWith(this);

        // update all tabs when faction relations change
        Events.merge(Event.class, FPlayerJoinEvent.class, FPlayerLeaveEvent.class, FactionCreateEvent.class, FactionDisbandEvent.class, FactionRelationEvent.class)
                .handler(e -> refresh())
                .bindWith(this);
    }

    public void refresh() {
        Promise.completed(Players.all())
                .thenAcceptAsync(players -> {
                    for (Player p : players) {
                        FPlayer fp = this.players.getByPlayer(p);
                        Rank r = Rank.determine(p);
                        for (PlayerTab otherTab : Metadata.players().getAllWithKey(TAB_KEY).values()) {
                            otherTab.handleJoin(p, fp, r);
                        }
                    } 
                });
    }

    private final class PlayerTab {
        private final Player player;
        private final FPlayer fPlayer;
        private final Map<TeamCombination, ScoreboardTeam> teams = new HashMap<>();

        public PlayerTab(Player player, PacketScoreboard sb) {
            this.player = player;
            this.fPlayer = FactionsTabPlugin.this.players.getByPlayer(player);

            for (Relation relation : Relation.values()) {
                for (Rank rank : Rank.values()) {
                    String id = (relation.ordinal() + 1) + "-" + (rank.ordinal() + 1) + "-rel";

                    PacketScoreboardTeam team = sb.createPlayerTeam(player, id);
                    team.setPrefix(rank.prefix + relation.getColor().toString());
                    this.teams.put(new TeamCombination(relation, rank), team);
                }
            }

            // mark ourselves
            handleJoin(this.player, this.fPlayer, Rank.determine(this.player));
        }

        public void handleJoin(Player other, FPlayer fother, Rank otherRank) {
            Relation rel = this.fPlayer.getRelationTo(fother);
            TeamCombination desired = new TeamCombination(rel, otherRank);

            for (Map.Entry<TeamCombination, ScoreboardTeam> team : this.teams.entrySet()) {
                if (desired.equals(team.getKey())) {
                    team.getValue().addPlayer(other);
                } else {
                    team.getValue().removePlayer(other);
                }
            }
        }

        public void handleQuit(Player other) {
            for (ScoreboardTeam team : this.teams.values()) {
                team.removePlayer(other);
            }
        }
    }

    private static final class TeamCombination {
        private final Relation relation;
        private final Rank rank;

        private TeamCombination(Relation relation, Rank rank) {
            this.relation = relation;
            this.rank = rank;
        }

        @Override
        public boolean equals(Object o) {
            if (this == o) return true;
            if (o == null || getClass() != o.getClass()) return false;
            TeamCombination that = (TeamCombination) o;
            return this.relation == that.relation &&
                    this.rank == that.rank;
        }

        @Override
        public int hashCode() {
            return Objects.hash(this.relation, this.rank);
        }
    }

    private enum Rank {
        // TODO fill with real values
        OWNER("&c[Owner] "),
        ADMIN("&b[Admin] "),
        VIP("&a[VIP] "),
        MEMBER("&7[Member] ");

        private final String prefix;

        Rank(String prefix) {
            this.prefix = Text.colorize(prefix);
        }

        public static Rank determine(Player p) {
            // TODO implement
            return MEMBER;
        }
    }
}