src/app/Application.cpp

   1 #include "Application.hpp"
   2
   3 #include "../world/BlockType.hpp"
   4 #include "../world/Entity.hpp"
   5
   6 #include <iostream>
   7 #include <stdexcept>
   8
   9
  10 namespace blank {
  11
  12 Application::Application(const Config &config)
  13 : init_sdl()
  14 , init_img()
  15 , init_gl(config.doublebuf, config.multisampling)
  16 , window()
  17 , ctx(window.CreateContext())
  18 , init_glew()
  19 , chunk_prog()
  20 , entity_prog()
  21 , cam()
  22 , world(config.world)
  23 , interface(config.interface, world)
  24 , test_controller(MakeTestEntity(world))
  25 , running(false) {
  26         if (config.vsync) {
  27                 GLContext::EnableVSync();
  28         }
  29
  30         glClearColor(0.0, 0.0, 0.0, 1.0);
  31 }
  32
  33 Entity &Application::MakeTestEntity(World &world) {
  34         Entity &e = world.AddEntity();
  35         e.Position({ 0.0f, 0.0f, 0.0f });
  36         e.SetShape(world.BlockTypes()[1].shape, { 1.0f, 1.0f, 0.0f });
  37         e.AngularVelocity(glm::quat(glm::vec3{ 0.00001f, 0.000006f, 0.000013f }));
  38         return e;
  39 }
  40
  41
  42 void Application::RunN(size_t n) {
  43         Uint32 last = SDL_GetTicks();
  44         for (size_t i = 0; i < n; ++i) {
  45                 Uint32 now = SDL_GetTicks();
  46                 int delta = now - last;
  47                 Loop(delta);
  48                 last = now;
  49         }
  50 }
  51
  52 void Application::RunT(size_t t) {
  53         Uint32 last = SDL_GetTicks();
  54         Uint32 finish = last + t;
  55         while (last < finish) {
  56                 Uint32 now = SDL_GetTicks();
  57                 int delta = now - last;
  58                 Loop(delta);
  59                 last = now;
  60         }
  61 }
  62
  63 void Application::RunS(size_t n, size_t t) {
  64         for (size_t i = 0; i < n; ++i) {
  65                 Loop(t);
  66         }
  67 }
  68
  69
  70 void Application::Run() {
  71         running = true;
  72         Uint32 last = SDL_GetTicks();
  73         window.GrabMouse();
  74         while (running) {
  75                 Uint32 now = SDL_GetTicks();
  76                 int delta = now - last;
  77                 Loop(delta);
  78                 last = now;
  79         }
  80 }
  81
  82 void Application::Loop(int dt) {
  83         HandleEvents();
  84         Update(dt);
  85         Render();
  86 }
  87
  88
  89 void Application::HandleEvents() {
  90         SDL_Event event;
  91         while (SDL_PollEvent(&event)) {
  92                 switch (event.type) {
  93                         case SDL_KEYDOWN:
  94                                 interface.HandlePress(event.key);
  95                                 break;
  96                         case SDL_KEYUP:
  97                                 interface.HandleRelease(event.key);
  98                                 break;
  99                         case SDL_MOUSEBUTTONDOWN:
 100                                 interface.HandlePress(event.button);
 101                                 break;
 102                         case SDL_MOUSEBUTTONUP:
 103                                 interface.HandleRelease(event.button);
 104                                 break;
 105                         case SDL_MOUSEMOTION:
 106                                 interface.Handle(event.motion);
 107                                 break;
 108                         case SDL_MOUSEWHEEL:
 109                                 interface.Handle(event.wheel);
 110                                 break;
 111                         case SDL_QUIT:
 112                                 running = false;
 113                                 break;
 114                         case SDL_WINDOWEVENT:
 115                                 switch (event.window.event) {
 116                                         case SDL_WINDOWEVENT_FOCUS_GAINED:
 117                                                 window.GrabMouse();
 118                                                 break;
 119                                         case SDL_WINDOWEVENT_FOCUS_LOST:
 120                                                 window.ReleaseMouse();
 121                                                 break;
 122                                         case SDL_WINDOWEVENT_RESIZED:
 123                                                 cam.Viewport(event.window.data1, event.window.data2);
 124                                                 interface.Handle(event.window);
 125                                                 break;
 126                                         default:
 127                                                 interface.Handle(event.window);
 128                                                 break;
 129                                 }
 130                                 break;
 131                         default:
 132                                 break;
 133                 }
 134         }
 135 }
 136
 137 void Application::Update(int dt) {
 138         interface.Update(dt);
 139         test_controller.Update(dt);
 140         world.Update(dt);
 141 }
 142
 143 void Application::Render() {
 144         GLContext::Clear();
 145
 146         chunk_prog.SetProjection(cam.Projection());
 147         entity_prog.SetProjection(cam.Projection());
 148
 149         world.Render(chunk_prog, entity_prog);
 150
 151         interface.Render(entity_prog);
 152
 153         window.Flip();
 154 }
 155
 156 }