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 class Stage;
  17
  18 class Demo
  19 {
  20 private:
  21         class AnimationAction: public Action
  22         {
  23         private:
  24                 Msp::GL::AnimationPlayer &player;
  25
  26         public:
  27                 AnimationAction(Msp::GL::AnimationPlayer &);
  28
  29                 virtual void validate() const { }
  30
  31                 virtual void tick(float, float);
  32         };
  33
  34 public:
  35         sigc::signal<void> signal_finished;
  36
  37 protected:
  38         Sequencer sequencer;
  39         Msp::DataFile::Collection &resources;
  40         Msp::GL::WindowView view;
  41         Msp::GL::AnimationPlayer anim_player;
  42         AnimationAction anim_action;
  43         Msp::AL::Source *music_source;
  44         Msp::AL::Streamer *streamer;
  45         Msp::IO::Seekable *music_io;
  46         Msp::AL::SoundDecoder *music_decoder;
  47         Msp::Time::TimeDelta frame_interval;
  48         Msp::Time::TimeStamp last_tick;
  49         Msp::Time::TimeStamp next_frame;
  50
  51         std::map<std::string, Msp::Variant> things;
  52
  53         Demo(Msp::Graphics::Window &, Msp::Graphics::GLContext &, Msp::DataFile::Collection &);
  54 public:
  55         virtual ~Demo();
  56
  57         Msp::DataFile::Collection &get_resources() const { return resources; }
  58         Msp::GL::AnimationPlayer &get_animation_player() { return anim_player; }
  59
  60 protected:
  61         void add_stage(const std::string &, Stage &);
  62 public:
  63         template<typename T>
  64         T &get_thing(const std::string &);
  65
  66         void set_fixed_framerate(float);
  67         const Msp::Time::TimeStamp &get_next_frame_time() const { return next_frame; }
  68         void enable_music();
  69         void play_music(const std::string &);
  70         virtual void tick();
  71         void seek(const Msp::Time::TimeDelta &);
  72 };
  73
  74 template<typename T>
  75 T &Demo::get_thing(const std::string &name)
  76 {
  77         return *get_item(things, name).value<T *>();
  78 }
  79
  80 #endif