sprites.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 CRYOMNI3D_SPRITES_H
#define CRYOMNI3D_SPRITES_H

#include "common/array.h"
#include "common/str.h"

#include "graphics/cursor.h"

namespace Common {
class ReadStream;
}

namespace Graphics {
struct Surface;
}

namespace CryOmni3D {

class Sprites {
public:
    Sprites();
    virtual ~Sprites();

    void loadSprites(Common::ReadStream &spr_fl);
    void setupMapTable(const uint *table, uint size);

    void setSpriteHotspot(uint spriteId, uint x, uint y);

    void replaceSprite(uint oldSpriteId, uint newSpriteId);

    uint getSpritesCount() const;

    void replaceSpriteColor(uint spriteId, byte currentColor, byte newColor);

    const Graphics::Surface &getSurface(uint spriteId) const;
    const Graphics::Cursor &getCursor(uint spriteId) const;

    uint revMapSpriteId(uint id) const;
    uint calculateSpriteId(uint baseId, uint offset) const;

    byte getKeyColor(uint spriteId) const { return 0; }

private:
    class CryoCursor : public Graphics::Cursor {
    public:
        uint16 getWidth() const override { return _width; }
        uint16 getHeight() const override { return _height; }
        uint16 getHotspotX() const override { return _offX; }
        uint16 getHotspotY() const override { return _offY; }
        byte getKeyColor() const override { return 0; }

        const byte *getSurface() const override { return _data; }

        const byte *getPalette() const override { return nullptr; }
        byte getPaletteStartIndex() const override { return 0; }
        uint16 getPaletteCount() const override { return 0; }

        uint setup(uint16 width, uint16 height);

        uint16 _width;
        uint16 _height;
        int16 _offX;
        int16 _offY;
        uint _constantId;

        byte *_data;

        uint refCnt;

        CryoCursor();
        ~CryoCursor() override;
    };

    // Pointer to avoid to mutate Sprites when asking for a cursor
    Graphics::Surface *_surface;
    Common::Array<CryoCursor *> _cursors;
    Common::Array<uint> *_map;
};

} // End of namespace CryOmni3D

#endif