bubbles.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 STARK_VISUAL_EFFECTS_BUBBLES_H
#define STARK_VISUAL_EFFECTS_BUBBLES_H

#include "engines/stark/visual/effects/effect.h"

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

namespace Stark {

namespace Gfx {
class Driver;
class SurfaceRenderer;
}

class VisualEffectBubbles : public VisualEffect {
public:
    static const VisualType TYPE = Visual::kEffectBubbles;

    explicit VisualEffectBubbles(Gfx::Driver *gfx, const Common::Point &size);
    ~VisualEffectBubbles() override;

    void setParams(const Common::String &params);

    void render(const Common::Point &position);

private:

    enum Kind {
        kSmall  = 1,
        kLarge  = 2,
        kRandom = 3
    };

    struct Bubble {
        Common::Point position;
        Kind kind;
    };

    // Parameters
    uint _bubbleCount;
    Kind _kind;
    int _sourcePositionRatioX;
    int _maxVerticalSpeed;
    int _maxHorizontalSpeed;
    byte _mainColorR;
    byte _mainColorG;
    byte _mainColorB;

    // State
    Common::Point _sourcePosition;
    uint32 _mainColor;
    uint32 _darkColor;
    Common::Array<Bubble> _bubbles;

    void update();
    void drawBubble(const Bubble &bubble) const;
    void drawSmallBubble(const Bubble &bubble) const;
    void drawLargeBubble(const Bubble &bubble) const;
};

} // End of namespace Stark

#endif // STARK_VISUAL_EFFECTS_BUBBLES_H