| 1 | #include <iostream> |
| 2 |
|
| 3 | #include "ZydecoCommon.hpp" |
| 4 | #include "CommonSDL2.hpp" |
| 5 | #include "EventHandlerSDL2.hpp" |
| 6 | #include "WindowSDL2.hpp" |
| 7 | #include "TimerSDL2.hpp" |
| 8 | #include "Renderer.hpp" |
| 9 | #include "Engine.hpp" |
| 10 |
|
| 11 |
|
| 12 | static Logger LOGGER("main"); |
| 13 |
|
| 14 | static const char *ZYDECO_TERMOUT[] = { |
| 15 | "Zydeco v0.1.0 Copyright (c) Joshua Stockin 2023", |
| 16 | "<https://joshstock.in> <josh@joshstock.in>", |
| 17 | }; |
| 18 |
|
| 19 |
|
| 20 | void on_terminate(void) |
| 21 | { |
| 22 | ZydecoFault("PROGRAM TERMINATED UNEXPECTEDLY."); |
| 23 | } |
| 24 |
|
| 25 | int main(int argc, char *argv[]) |
| 26 | { |
| 27 | // Print boilerplate copyright output |
| 28 | for (const char *line : ZYDECO_TERMOUT) |
| 29 | { |
| 30 | std::cout << line << std::endl; |
| 31 | } |
| 32 |
|
| 33 | // Runtime environment setup |
| 34 | std::set_terminate(static_cast<std::terminate_handler>(on_terminate)); |
| 35 |
|
| 36 | // Initialize logging |
| 37 | Logger::InitializeLogging(Logger::DEBUG, &std::cout); |
| 38 | LOGGER.Log(Logger::INFO, "main(): Logging initialized"); |
| 39 |
|
| 40 | // Initialize SDL environment |
| 41 | LOGGER.Log(Logger::INFO, "main(): Initializing SDL..."); |
| 42 | SDL_CallErrorReturningFunction(SDL_Init, SDL_INIT_VIDEO | SDL_INIT_EVENTS); |
| 43 | LOGGER.Log(Logger::INFO, "main(): SDL initialized"); |
| 44 |
|
| 45 | // Load ImGui |
| 46 | LOGGER.Log(Logger::INFO, "main(): Loading ImGui..."); |
| 47 | IMGUI_CHECKVERSION(); |
| 48 | ImGui::CreateContext(); |
| 49 | ImGuiIO& imgui_io = ImGui::GetIO(); |
| 50 | imgui_io.ConfigFlags |= ImGuiConfigFlags_DockingEnable; |
| 51 | //imgui_io.ConfigDockingWithShift = false; |
| 52 |
|
| 53 | // Create subsystems |
| 54 | LOGGER.Log(Logger::INFO, "main(): Creating subsystems..."); |
| 55 | EventHandlerSDL2 sdl_event_handler {}; |
| 56 | WindowSDL2 sdl_window {"Zydeco", SDL_WINDOW_OPENGL | SDL_WINDOW_RESIZABLE}; |
| 57 | TimerSDL2 sdl_core_timer {}; |
| 58 |
|
| 59 | // Load OpenGL |
| 60 | LOGGER.Log(Logger::INFO, "main(): Loading OpenGL with GL3W..."); |
| 61 |
|
| 62 | sdl_window.MakeContextCurrent(); |
| 63 | int gl3wRes = gl3wInit(); |
| 64 | if (gl3wRes != 0) |
| 65 | { |
| 66 | ZydecoFault("gl3wInit failed ({})", gl3wRes); |
| 67 | } |
| 68 |
|
| 69 | if (!gl3wIsSupported(GL_VERSION_MAJOR, GL_VERSION_MINOR)) |
| 70 | { |
| 71 | ZydecoFault("OpenGL/GL3W {}.{} not supported", GL_VERSION_MAJOR, GL_VERSION_MINOR); |
| 72 | } |
| 73 |
|
| 74 | LOGGER.Log(Logger::DEBUG, "main(): OpenGL {}, GLSL {}", glGetString(GL_VERSION), glGetString(GL_SHADING_LANGUAGE_VERSION)); |
| 75 | LOGGER.Log(Logger::DEBUG, "main(): Renderer: {}", glGetString(GL_RENDERER)); |
| 76 | LOGGER.Log(Logger::INFO, "main(): OpenGL loaded with GL3W"); |
| 77 |
|
| 78 | TimerSDL2 sdl_renderer_timer {}; |
| 79 | Renderer gl_renderer {sdl_event_handler, sdl_window, sdl_renderer_timer}; |
| 80 |
|
| 81 | LOGGER.Log(Logger::INFO, "main(): Subsystems created"); |
| 82 |
|
| 83 | // Constructor implictly creates a GL context and makes it current. Context must be current to load GL and ascertain |
| 84 | // capabilities. GL doesn't thread well, so we can't have that context be current here after initialization. |
| 85 | sdl_window.MakeNullCurrent(); |
| 86 |
|
| 87 | // Create engine |
| 88 | LOGGER.Log(Logger::INFO, "main(): Creating engine..."); |
| 89 | Engine engine {sdl_event_handler, sdl_window, sdl_core_timer, gl_renderer}; |
| 90 | LOGGER.Log(Logger::INFO, "main(): Engine created"); |
| 91 |
|
| 92 | // Enter loop |
| 93 | LOGGER.Log(Logger::INFO, "main(): Entering engine loop"); |
| 94 | engine.Execute(); |
| 95 |
|
| 96 | // Engine exited |
| 97 | LOGGER.Log(Logger::INFO, "main(): Engine exited"); |
| 98 |
|
| 99 | // Quit ImGui |
| 100 | LOGGER.Log(Logger::INFO, "main(): Quitting ImGui"); |
| 101 | ImGui_ImplOpenGL3_Shutdown(); |
| 102 | ImGui_ImplSDL2_Shutdown(); |
| 103 | ImGui::DestroyContext(); |
| 104 |
|
| 105 | // Quit SDL |
| 106 | LOGGER.Log(Logger::INFO, "main(): Quitting SDL"); |
| 107 | SDL_Quit(); |
| 108 |
|
| 109 | // Exiting program |
| 110 | LOGGER.Log(Logger::INFO, "main(): Exiting"); |
| 111 | return 0; |
| 112 | } |
| 113 |
|
Index