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