com.anathema_roguelike.characters.ai.AIPathFinder.java Source code

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Here is the source code for com.anathema_roguelike.characters.ai.AIPathFinder.java

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/*******************************************************************************
 * This file is part of AnathemaRL.
 *
 *     AnathemaRL is free software: you can redistribute it and/or modify
 *     it under the terms of the GNU General Public License as published by
 *     the Free Software Foundation, either version 3 of the License, or
 *     (at your option) any later version.
 *
 *     AnathemaRL is distributed in the hope that it will be useful,
 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *     GNU General Public License for more details.
 *
 *     You should have received a copy of the GNU General Public License
 *     along with AnathemaRL.  If not, see <http://www.gnu.org/licenses/>.
 *******************************************************************************/
package com.anathema_roguelike.characters.ai;

import com.anathema_roguelike.characters.Character;
import com.anathema_roguelike.environment.Environment;
import com.anathema_roguelike.environment.Point;
import com.anathema_roguelike.main.Game;
import com.anathema_roguelike.main.utilities.pathfinding.Path;
import com.anathema_roguelike.main.utilities.pathfinding.PathFinder;
import com.google.common.base.Predicate;
import com.google.common.collect.Iterables;

public class AIPathFinder extends PathFinder {

    private Environment level;
    private Character character;

    public AIPathFinder(Character character) {
        this.character = character;
    }

    @Override
    public Path getPath(Point src, Point dst) {
        this.level = Game.getInstance().getState().getEnvironment(character.getDepth());
        return super.getPath(src, dst);
    }

    @Override
    protected boolean isPassable(Point p, int direction) {
        return level.isPassable(p);
    }

    @Override
    protected int getExtraCost(Point p, int direction, int previousDirection) {
        int ret = 0;

        if (Iterables.any(level.getEntitiesAt(p, Character.class), new Predicate<Character>() {

            @Override
            public boolean apply(Character other) {
                return Faction.friendly(character, other);
            }
        })) {
            ret += 50;
        }

        return ret;
    }

}