001/*
002 * This file is part of Baritone.
003 *
004 * Baritone is free software: you can redistribute it and/or modify
005 * it under the terms of the GNU Lesser General Public License as published by
006 * the Free Software Foundation, either version 3 of the License, or
007 * (at your option) any later version.
008 *
009 * Baritone is distributed in the hope that it will be useful,
010 * but WITHOUT ANY WARRANTY; without even the implied warranty of
011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
012 * GNU Lesser General Public License for more details.
013 *
014 * You should have received a copy of the GNU Lesser General Public License
015 * along with Baritone.  If not, see <https://www.gnu.org/licenses/>.
016 */
017
018package baritone.api.command.datatypes;
019
020import baritone.api.IBaritone;
021import baritone.api.command.helpers.TabCompleteHelper;
022import baritone.api.command.exception.CommandException;
023import net.minecraft.entity.player.EntityPlayer;
024
025import java.util.List;
026import java.util.stream.Stream;
027
028/**
029 * An {@link IDatatype} used to resolve nearby players, those within
030 * render distance of the target {@link IBaritone} instance.
031 */
032public enum NearbyPlayer implements IDatatypeFor<EntityPlayer> {
033    INSTANCE;
034
035    @Override
036    public EntityPlayer get(IDatatypeContext ctx) throws CommandException {
037        final String username = ctx.getConsumer().getString();
038        return getPlayers(ctx).stream()
039                .filter(s -> s.getName().equalsIgnoreCase(username))
040                .findFirst().orElse(null);
041    }
042
043    @Override
044    public Stream<String> tabComplete(IDatatypeContext ctx) throws CommandException {
045        return new TabCompleteHelper()
046                .append(getPlayers(ctx).stream().map(EntityPlayer::getName))
047                .filterPrefix(ctx.getConsumer().getString())
048                .sortAlphabetically()
049                .stream();
050    }
051
052    private static List<EntityPlayer> getPlayers(IDatatypeContext ctx) {
053        return ctx.getBaritone().getPlayerContext().world().playerEntities;
054    }
055}