actor.h

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/*
 *  The ManaPlus Client
 *  Copyright (C) 2010  The Mana Developers
 *  Copyright (C) 2011-2019  The ManaPlus Developers
 *  Copyright (C) 2019-2021  Andrei Karas
 *
 *  This file is part of The ManaPlus Client.
 *
 *  This program 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 2 of the License, or
 *  any later version.
 *
 *  This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
#ifndef BEING_ACTOR_H
#define BEING_ACTOR_H
 
#include "utils/cast.h"
 
#include "resources/vector.h"
 
#include <list>
 
#include "localconsts.h"
 
class Actor;
class Graphics;
class Map;
 
typedef std::list<Actor*> Actors;
typedef Actors::const_iterator ActorsCIter;
 
class Actor notfinal
{
    public:
        A_DELETE_COPY(Actor)
 
        virtual ~Actor();
 
        virtual void draw(Graphics *const graphics,
                          const int offsetX,
                          const int offsetY) const A_NONNULL(2) = 0;
 
        virtual int getWidth() const A_WARN_UNUSED
        { return 0; }
 
        virtual int getHeight() const A_WARN_UNUSED
        { return 0; }
 
        const Vector &getPixelPositionF() const noexcept2 A_WARN_UNUSED
        { return mPos; }
 
        virtual void setPixelPositionF(const Vector &restrict pos) restrict2;
 
        int getPixelX() const noexcept2 A_WARN_UNUSED
        { return CAST_S32(mPos.x); }
 
        virtual int getPixelY() const A_WARN_UNUSED
        { return CAST_S32(mPos.y); }
 
        virtual int getSortPixelY() const A_WARN_UNUSED
        { return CAST_S32(mPos.y) - mYDiff; }
 
        virtual int getTileX() const A_WARN_UNUSED;
 
        virtual int getTileY() const A_WARN_UNUSED;
 
        virtual int getNumberOfLayers() const A_WARN_UNUSED
        { return 0; }
 
        virtual float getAlpha() const A_WARN_UNUSED = 0;
 
        virtual void setAlpha(float alpha) = 0;
 
        virtual void setMap(Map *const map);
 
        const Map* getMap() const noexcept2 A_WARN_UNUSED
        { return mMap; }
 
        int mPixelX;
        int mPixelY;
 
    protected:
        Actor();
 
        Map *mMap;
        Vector mPos;                
        int mYDiff;
 
    private:
        Actors::iterator mMapActor;
};
 
#endif  // BEING_ACTOR_H