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