source/demo.h

   1 #ifndef MSP_DEMOSCENE_DEMO_H_
   2 #define MSP_DEMOSCENE_DEMO_H_
   3
   4 #include <map>
   5 #include <string>
   6 #include <sigc++/signal.h>
   7 #include <msp/al/sounddecoder.h>
   8 #include <msp/al/source.h>
   9 #include <msp/al/streamer.h>
  10 #include <msp/datafile/collection.h>
  11 #include <msp/gl/animationplayer.h>
  12 #include <msp/gl/windowview.h>
  13 #include "action.h"
  14 #include "sequencer.h"
  15
  16 namespace Msp {
  17 namespace DemoScene {
  18
  19 class Stage;
  20
  21 class Demo
  22 {
  23 private:
  24         class AnimationAction: public Action
  25         {
  26         private:
  27                 Msp::GL::AnimationPlayer &player;
  28
  29         public:
  30                 AnimationAction(Msp::GL::AnimationPlayer &);
  31
  32                 virtual void validate() const { }
  33
  34                 virtual void tick(float, float);
  35         };
  36
  37 public:
  38         typedef std::map<std::string, Msp::Variant> ThingMap;
  39
  40         sigc::signal<void> signal_finished;
  41
  42 protected:
  43         Sequencer sequencer;
  44         Msp::DataFile::Collection &resources;
  45         Msp::GL::WindowView view;
  46         Msp::GL::AnimationPlayer anim_player;
  47         AnimationAction anim_action;
  48         Msp::AL::Source *music_source;
  49         Msp::AL::Streamer *streamer;
  50         Msp::IO::Seekable *music_io;
  51         Msp::AL::SoundDecoder *music_decoder;
  52         Msp::Time::TimeDelta frame_interval;
  53         Msp::Time::TimeStamp last_tick;
  54         Msp::Time::TimeStamp next_frame;
  55
  56         ThingMap things;
  57
  58         Demo(Msp::Graphics::Window &, Msp::Graphics::GLContext &, Msp::DataFile::Collection &);
  59 public:
  60         virtual ~Demo();
  61
  62         Msp::DataFile::Collection &get_resources() const { return resources; }
  63         Msp::GL::AnimationPlayer &get_animation_player() { return anim_player; }
  64
  65 protected:
  66         void add_stage(const std::string &, Stage &);
  67 public:
  68         template<typename T>
  69         T &get_thing(const std::string &);
  70
  71         void set_fixed_framerate(float);
  72         const Msp::Time::TimeStamp &get_next_frame_time() const { return next_frame; }
  73         void enable_music();
  74         void play_music(const std::string &);
  75         virtual void tick();
  76         void seek(const Msp::Time::TimeDelta &);
  77 };
  78
  79 template<typename T>
  80 T &Demo::get_thing(const std::string &name)
  81 {
  82         return *get_item(things, name).value<T *>();
  83 }
  84
  85 } // namespace DemoScene
  86 } // namespace Msp
  87
  88 #endif