| 1 | #include <iostream> |
| 2 | #include <thread> |
| 3 |
|
| 4 | #include <SDL2/SDL.h> |
| 5 | #include "GL/gl3w.h" |
| 6 | #include <GL/gl.h> |
| 7 |
|
| 8 | #include "ZydecoCommon.hpp" |
| 9 | #include "CommonSDL2.hpp" |
| 10 | #include "EventHandlerSDL2.hpp" |
| 11 | #include "WindowSDL2.hpp" |
| 12 | #include "TimerSDL2.hpp" |
| 13 | #include "Renderer.hpp" |
| 14 | #include "Engine.hpp" |
| 15 |
|
| 16 |
|
| 17 | static Logger LOGGER("main"); |
| 18 |
|
| 19 | static const char *ZYDECO_TERMOUT[] = { |
| 20 | "Zydeco v0.1.0 Copyright (c) Joshua Stockin 2023", |
| 21 | "<https://joshstock.in> <josh@joshstock.in>", |
| 22 | }; |
| 23 |
|
| 24 |
|
| 25 | void on_terminate(void) |
| 26 | { |
| 27 | ZydecoFault("PROGRAM TERMINATED UNEXPECTEDLY."); |
| 28 | } |
| 29 |
|
| 30 | int main(int argc, char *argv[]) |
| 31 | { |
| 32 | // Print boilerplate copyright output |
| 33 | for (const char *line : ZYDECO_TERMOUT) |
| 34 | { |
| 35 | std::cout << line << std::endl; |
| 36 | } |
| 37 |
|
| 38 | // Runtime environment setup |
| 39 | std::set_terminate(static_cast<std::terminate_handler>(on_terminate)); |
| 40 |
|
| 41 | // Initialize logging |
| 42 | Logger::InitializeLogging(Logger::TRACE, &std::cout); |
| 43 | LOGGER.Log(Logger::INFO, "main(): Logging initialized"); |
| 44 |
|
| 45 | // Initialize SDL environment |
| 46 | LOGGER.Log(Logger::INFO, "main(): Initializing SDL..."); |
| 47 | SDL_CallErrorReturningFunction(SDL_Init, SDL_INIT_VIDEO | SDL_INIT_EVENTS); |
| 48 | LOGGER.Log(Logger::INFO, "main(): SDL initialized"); |
| 49 |
|
| 50 | // Create subsystems |
| 51 | LOGGER.Log(Logger::INFO, "main(): Creating subsystems..."); |
| 52 | EventHandlerSDL2 sdl_event_handler {}; |
| 53 | WindowSDL2 sdl_window {"Zydeco", SDL_WINDOW_OPENGL | SDL_WINDOW_RESIZABLE}; |
| 54 | TimerSDL2 sdl_core_timer {}; |
| 55 |
|
| 56 | // Load OpenGL |
| 57 | LOGGER.Log(Logger::INFO, "main(): Loading OpenGL with GL3W..."); |
| 58 |
|
| 59 | sdl_window.MakeContextCurrent(); |
| 60 | int gl3wRes = gl3wInit(); |
| 61 | if (gl3wRes != 0) |
| 62 | { |
| 63 | ZydecoFault("gl3wInit failed ({})", gl3wRes); |
| 64 | } |
| 65 |
|
| 66 | if (!gl3wIsSupported(GL_VERSION_MAJOR, GL_VERSION_MINOR)) |
| 67 | { |
| 68 | ZydecoFault("OpenGL/GL3W {}.{} not supported", GL_VERSION_MAJOR, GL_VERSION_MINOR); |
| 69 | } |
| 70 |
|
| 71 | LOGGER.Log(Logger::DEBUG, "main(): OpenGL {}, GLSL {}", glGetString(GL_VERSION), glGetString(GL_SHADING_LANGUAGE_VERSION)); |
| 72 | LOGGER.Log(Logger::DEBUG, "main(): Renderer: {}", glGetString(GL_RENDERER)); |
| 73 | LOGGER.Log(Logger::INFO, "main(): OpenGL loaded with GL3W"); |
| 74 |
|
| 75 | TimerSDL2 sdl_renderer_timer {}; |
| 76 | Renderer gl_renderer {sdl_event_handler, sdl_window, sdl_renderer_timer}; |
| 77 |
|
| 78 | LOGGER.Log(Logger::INFO, "main(): Subsystems created"); |
| 79 |
|
| 80 | // Constructor implictly creates a GL context and makes it current. Context must be current to load GL and ascertain |
| 81 | // capabilities. GL doesn't thread well, so we can't have that context be current here after initialization. |
| 82 | sdl_window.MakeNullCurrent(); |
| 83 |
|
| 84 | // Create engine |
| 85 | LOGGER.Log(Logger::INFO, "main(): Creating engine..."); |
| 86 | Engine engine {sdl_event_handler, sdl_core_timer, gl_renderer}; |
| 87 | LOGGER.Log(Logger::INFO, "main(): Engine created"); |
| 88 |
|
| 89 | // Enter loop |
| 90 | LOGGER.Log(Logger::INFO, "main(): Entering engine loop"); |
| 91 | engine.Execute(); |
| 92 |
|
| 93 | // Loop returned |
| 94 | LOGGER.Log(Logger::INFO, "main(): Quitting SDL"); |
| 95 | SDL_Quit(); |
| 96 |
|
| 97 | // Exiting program |
| 98 | LOGGER.Log(Logger::INFO, "main(): Exiting"); |
| 99 | return 0; |
| 100 | } |
| 101 |
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