1 //  SuperTux
2 //  Copyright (C) 2018 Ingo Ruhnke <grumbel@gmail.com>
3 //
4 //  This program is free software: you can redistribute it and/or modify
5 //  it under the terms of the GNU General Public License as published by
6 //  the Free Software Foundation, either version 3 of the License, or
7 //  (at your option) any later version.
8 //
9 //  This program is distributed in the hope that it will be useful,
10 //  but WITHOUT ANY WARRANTY; without even the implied warranty of
11 //  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12 //  GNU General Public License for more details.
13 //
14 //  You should have received a copy of the GNU General Public License
15 //  along with this program.  If not, see <http://www.gnu.org/licenses/>.
16 
17 #ifndef HEADER_SUPERTUX_OBJECT_AMBIENT_LIGHT_HPP
18 #define HEADER_SUPERTUX_OBJECT_AMBIENT_LIGHT_HPP
19 
20 #include "supertux/game_object.hpp"
21 
22 #include "video/color.hpp"
23 
24 class AmbientLight : public GameObject
25 {
26 public:
27   AmbientLight(const Color& color);
28   AmbientLight(const ReaderMapping& mapping);
29 
30   virtual void update(float dt_sec) override;
31   virtual void draw(DrawingContext& context) override;
32 
is_singleton() const33   virtual bool is_singleton() const override { return true; }
34 
get_class() const35   virtual std::string get_class() const override { return "ambient-light"; }
get_display_name() const36   virtual std::string get_display_name() const override { return _("Ambient Light"); }
get_icon_path() const37   virtual const std::string get_icon_path() const override { return "images/engine/editor/ambient_light.png"; }
38 
39   virtual ObjectSettings get_settings() override;
40 
41   void set_ambient_light(const Color& ambient_light);
42   Color get_ambient_light() const;
43 
44   /** Fades to the target ambient light */
45   void fade_to_ambient_light(float red, float green, float blue, float seconds);
46 
47 private:
48   Color m_ambient_light;
49 
50   /** Specifies whether we're fading the ambient light*/
51   bool m_ambient_light_fading;
52 
53   /** Source color for fading */
54   Color m_source_ambient_light;
55 
56   /** Target color for fading */
57   Color m_target_ambient_light;
58 
59   /** Ambient light fade duration */
60   float m_ambient_light_fade_duration;
61 
62   /** Accumulated time for fading */
63   float m_ambient_light_fade_accum;
64 
65 private:
66   AmbientLight(const AmbientLight&) = delete;
67   AmbientLight& operator=(const AmbientLight&) = delete;
68 };
69 
70 #endif
71 
72 /* EOF */
73