Projectile.h

/*
 * Copyright 2010-2014 OpenXcom Developers.
 *
 * This file is part of OpenXcom.
 *
 * OpenXcom 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.
 *
 * OpenXcom 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 OpenXcom.  If not, see <http://www.gnu.org/licenses/>.
 */
#ifndef OPENXCOM_PROJECTILE_H
#define OPENXCOM_PROJECTILE_H

#include <vector>
#include "Position.h"
#include "BattlescapeGame.h"

namespace OpenXcom
{

class ResourcePack;
class BattleItem;
class SavedBattleGame;
class Surface;
class Tile;

class Projectile
{
private:
    ResourcePack *_res;
    SavedBattleGame *_save;
    BattleAction _action;
    Position _origin, _targetVoxel;
    std::vector<Position> _trajectory;
    size_t _position;
    Surface *_sprite;
    int _speed;
    void applyAccuracy(const Position& origin, Position *target, double accuracy, bool keepRange, Tile *targetTile, bool extendLine);
public:
    Projectile(ResourcePack *res, SavedBattleGame *save, BattleAction action, Position origin, Position target);
    ~Projectile();
    int calculateTrajectory(double accuracy);
    int calculateTrajectory(double accuracy, Position originVoxel);
    int calculateThrow(double accuracy);
    bool move();
    Position getPosition(int offset = 0) const;
    int getParticle(int i) const;
    BattleItem *getItem() const;
    Surface *getSprite() const;
    void skipTrajectory();
    Position getOrigin();
    Position getTarget();
};

}

#endif