animation.h

/* ScummVM - Graphic Adventure Engine
 *
 * ScummVM is the legal property of its developers, whose names
 * are too numerous to list here. Please refer to the COPYRIGHT
 * file distributed with this source distribution.
 *
 * 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 3 of the License, or
 * (at your option) 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 ACCESS_ANIMATION_H
#define ACCESS_ANIMATION_H

#include "common/scummsys.h"
#include "common/array.h"
#include "common/memstream.h"
#include "access/data.h"
#include "access/files.h"

namespace Access {

class AnimationResource;
class Animation;
class AnimationFrame;
class AnimationFramePart;

class AnimationManager : public Manager {
private:
    Common::Array<Animation *> _animationTimers;
    AnimationResource *_animation;
public:
    Animation *_animStart;
    Common::Point _base;
public:
    AnimationManager(AccessEngine *vm);
    ~AnimationManager();
    void freeAnimationData();
    void loadAnimations(Resource *res);

    Animation *findAnimation(int animId);
    Animation *setAnimation(int animId);

    void animate(int animId);

    void clearTimers();

    void setAnimTimer(Animation *anim);

    void updateTimers();

    void popBackTimer() { if (_animationTimers.size()) _animationTimers.pop_back(); }

    bool hasTimer() const { return !_animationTimers.empty(); };
};

class AnimationResource {
private:
    Common::Array<Animation *> _animations;
public:
    AnimationResource(AccessEngine *vm, Resource *res);
    ~AnimationResource();

    int getCount() const { return _animations.size(); }
    Animation *getAnimation(int idx) { return _animations[idx]; }
};

class Animation : public Manager {
private:
    Common::Array<AnimationFrame *> _frames;

    void anim0();
    void anim1();
    void anim2();
    void anim3();
    void anim4();
    void animNone();
    void anim7();
    void anim8();
    void anim9();
    void anim10();
    void anim11();
    void anim12();

    const AnimationFrame *calcFrame();
    const AnimationFrame *calcFrame1();
    void setFrame(const AnimationFrame *frame);
    void setFrame1(const AnimationFrame *frame, int16 xoff = 0, int16 yoff = 0);
public:
    int _type;
    int _scaling;
    int _frameNumber;
    int _initialTicks;
    int _loopCount;
    int _countdownTicks;
    int _currentLoopCount;
public:
    Animation(AccessEngine *vm, Common::SeekableReadStream *stream);
    ~Animation();

    void animate();
};

class AnimationFrame {
public:
    int _baseX, _baseY;
    int _frameDelay;
    Common::Array<AnimationFramePart> _parts;
public:
    AnimationFrame(Common::SeekableReadStream *stream, int startOffset);
    ~AnimationFrame();
};

class AnimationFramePart {
public:
    byte _flags;
    int _spritesIndex;
    int _frameIndex;
    Common::Point _position;
    int _offsetY;
public:
    AnimationFramePart(Common::SeekableReadStream *stream);
};

} // End of namespace Access

#endif /* ACCESS_ANIMATION_H */