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fireflies.h

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00001 /* ResidualVM - A 3D game interpreter
00002  *
00003  * ResidualVM is the legal property of its developers, whose names
00004  * are too numerous to list here. Please refer to the AUTHORS
00005  * file distributed with this source distribution.
00006  *
00007  * This program is free software; you can redistribute it and/or
00008  * modify it under the terms of the GNU General Public License
00009  * as published by the Free Software Foundation; either version 2
00010  * of the License, or (at your option) any later version.
00011  *
00012  * This program is distributed in the hope that it will be useful,
00013  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00014  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00015  * GNU General Public License for more details.
00016  *
00017  * You should have received a copy of the GNU General Public License
00018  * along with this program; if not, write to the Free Software
00019  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
00020  *
00021  */
00022 
00023 #ifndef STARK_VISUAL_EFFECTS_FIREFLIES_H
00024 #define STARK_VISUAL_EFFECTS_FIREFLIES_H
00025 
00026 #include "engines/stark/visual/effects/effect.h"
00027 
00028 #include "common/array.h"
00029 #include "common/rect.h"
00030 
00031 namespace Stark {
00032 
00033 namespace Gfx {
00034 class Driver;
00035 class SurfaceRenderer;
00036 class Texture;
00037 }
00038 
00042 class VisualEffectFireFlies : public VisualEffect {
00043 public:
00044     static const VisualType TYPE = Visual::kEffectFirefly;
00045 
00046     explicit VisualEffectFireFlies(Gfx::Driver *gfx, const Common::Point &size);
00047     ~VisualEffectFireFlies() override;
00048 
00050     void setParams(const Common::String &params);
00051 
00053     void render(const Common::Point &position);
00054 
00055 private:
00056 
00057     struct Frame {
00058         float weight1;
00059         float weight2;
00060         float weight3;
00061         float weight4;
00062         uint32 color;
00063     };
00064 
00065     struct FireFly {
00066         Common::Point currentPosition;
00067         uint32 currentFrame;
00068         Common::Point point1;
00069         Common::Point point2;
00070         Common::Point point3;
00071         Common::Point point4;
00072     };
00073 
00074     // Parameters
00075     uint _fireFlyCount;
00076     byte _mainColorR;
00077     byte _mainColorG;
00078     byte _mainColorB;
00079 
00080     // State
00081     Common::Array<Frame> _frames;
00082     Common::Array<FireFly> _fireFlies;
00083 
00084     void update();
00085     void drawFireFly(const FireFly &fly);
00086 };
00087 
00088 } // End of namespace Stark
00089 
00090 #endif // STARK_VISUAL_EFFECTS_FIREFLIES_H


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