source/launcher.h

   1 #ifndef MSP_DEMOSCENE_LAUNCHER_H_
   2 #define MSP_DEMOSCENE_LAUNCHER_H_
   3
   4 #include <msp/al/context.h>
   5 #include <msp/al/device.h>
   6 #include <msp/core/application.h>
   7 #include <msp/graphics/display.h>
   8 #include <msp/graphics/glcontext.h>
   9 #include <msp/graphics/window.h>
  10 #include <msp/input/keyboard.h>
  11 #include <msp/io/base.h>
  12 #include <msp/time/timedelta.h>
  13 #include <msp/time/timestamp.h>
  14 #include "resources.h"
  15
  16 namespace Msp {
  17 namespace DemoScene {
  18
  19 class Demo;
  20 class LaunchScreen;
  21
  22 class LauncherBase
  23 {
  24 protected:
  25         struct Options
  26         {
  27                 Msp::Graphics::WindowOptions win_opts;
  28                 Msp::Graphics::WindowOptions fullscreen_opts;
  29                 int start_fullscreen;
  30                 std::string frame_dump_fn;
  31                 float framerate;
  32                 Msp::Time::TimeDelta seek;
  33                 bool no_music;
  34                 bool no_vsync;
  35
  36                 Options(Msp::Graphics::Display &, int, char **);
  37
  38                 static void parse_size(const std::string &, Msp::Graphics::WindowOptions &);
  39         };
  40
  41         Msp::Graphics::Display display;
  42         Options options;
  43         Msp::Graphics::Window window;
  44         Msp::Graphics::GLContext gl_context;
  45         Msp::Input::Keyboard keyboard;
  46         Msp::AL::Device *al_device;
  47         Msp::AL::Context *al_context;
  48
  49         LaunchScreen *launch_screen;
  50         Msp::Time::TimeStamp timeout;
  51
  52         Demo *demo;
  53         Msp::Time::TimeStamp next_frame;
  54         Msp::IO::Base *frame_dump;
  55         unsigned frame_size;
  56         char *frame_dump_buffer;
  57
  58 public:
  59         LauncherBase(int, char **);
  60         ~LauncherBase();
  61
  62 protected:
  63         virtual Resources &get_resources() = 0;
  64         virtual Demo *create_demo() = 0;
  65         virtual void start();
  66         virtual void tick();
  67         void tick_launch_screen();
  68         virtual void tick_demo();
  69
  70         void start_demo(bool);
  71         void key_press(unsigned);
  72
  73         virtual void exit(int) = 0;
  74 };
  75
  76 template<typename T>
  77 class Launcher: public Msp::RegisteredApplication<T>, public LauncherBase
  78 {
  79 protected:
  80         Launcher(int argc, char **argv): LauncherBase(argc, argv) { }
  81
  82         virtual int main() { start(); return Msp::Application::main(); }
  83         virtual void tick() { LauncherBase::tick(); }
  84         virtual void exit(int c) { Msp::Application::exit(c); }
  85 };
  86
  87 } // namespace DemoScene
  88 } // namespace Msp
  89
  90 #endif