diff options
Diffstat (limited to 'src/main.cpp')
| -rw-r--r-- | src/main.cpp | 191 |
1 files changed, 191 insertions, 0 deletions
diff --git a/src/main.cpp b/src/main.cpp new file mode 100644 index 0000000..0a632fa --- /dev/null +++ b/src/main.cpp @@ -0,0 +1,191 @@ +#include "imgui_internal.h" +#include <basic/defs.hpp> +#include <cstdlib> +#include <memory> +#include <renderer/RenderGroup.hpp> +#include <renderer/Renderer.hpp> +#include <games/Game.hpp> + +#include <SDL3/SDL.h> +#include <SDL3/SDL_video.h> +#include <GL/gl.h> + +#include <imgui.h> +#include <imgui_impl_opengl3.h> +#include <imgui_impl_sdl3.h> + +#include <stdlib.h> +#include <assert.h> +#include <iostream> +#include <array> + + +Game::GameType +do_menu(RenderGroup &render_group) +{ + Game::GameType type = Game::NO_GAME; + + //ImGuiWindowFlags flags = ImGuiWindowFlags_NoNav | ImGuiWindowFlags_NoTitleBar | ImGuiWindowFlags_NoCollapse | ImGuiWindowFlags_NoBackground | ImGuiWindowFlags_NoResize | ImGuiWindowFlags_NoMove; + ImGuiWindowFlags flags = 0; + + ImGui::Begin("Game Selection", nullptr, flags); + if (ImGui::Button("Tetris")) { + type = Game::TETRIS; + } + if (ImGui::Button("Snake")) { + type = Game::SNAKE; + } + if (ImGui::Button("Minesweeper")) { + type = Game::MINESWEEPER; + } + ImGui::End(); + + + V3F32 clear_color = V3F32(0.4f, 0.4f, 0.4f); + render_group.SetCameraSize(4.0f, 3.0f); + render_group.Clear(clear_color); + + + return type; +} + + +int +main(int argc, char **argv) +{ + if (!SDL_Init(SDL_INIT_VIDEO | SDL_INIT_GAMEPAD)) { + std::cerr << "Failed to init SDL3: " << SDL_GetError() << '\n'; + return EXIT_FAILURE; + } + + const char* glsl_version = "#version 130"; + SDL_GL_SetAttribute(SDL_GL_CONTEXT_FLAGS, 0); + SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_CORE); + SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 3); + SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 0); + + SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1); + SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, 24); + SDL_GL_SetAttribute(SDL_GL_STENCIL_SIZE, 8); + + SDL_Window *window = SDL_CreateWindow("fsarcade", 1024, 768, SDL_WINDOW_OPENGL | SDL_WINDOW_RESIZABLE | SDL_WINDOW_HIDDEN | SDL_WINDOW_HIGH_PIXEL_DENSITY); + if (!window) { + std::cerr << "Failed to create SDL_window: " << SDL_GetError() << '\n'; + return EXIT_FAILURE; + } + + SDL_GLContext sdl_gl_context = SDL_GL_CreateContext(window); + if (!sdl_gl_context) { + std::cerr << "Failed to create SDL_GLContext: " << SDL_GetError() << '\n'; + SDL_DestroyWindow(window); + return EXIT_FAILURE; + } + + SDL_GL_MakeCurrent(window, sdl_gl_context); + SDL_GL_SetSwapInterval(1); // enable vsync + SDL_SetWindowPosition(window, SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED); + SDL_ShowWindow(window); + + + IMGUI_CHECKVERSION(); + ImGui::CreateContext(); + ImGuiIO& io = ImGui::GetIO(); + io.IniFilename = NULL; + io.LogFilename = NULL; + io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard; + io.ConfigFlags |= ImGuiConfigFlags_NavEnableGamepad; + + ImGui::StyleColorsDark(); + ImGui_ImplSDL3_InitForOpenGL(window, sdl_gl_context); + ImGui_ImplOpenGL3_Init(glsl_version); + + + std::unique_ptr<Game> game = nullptr; + std::unique_ptr<Renderer> renderer = Renderer::Select(Renderer::API_OPENGL, window); + if (!renderer->Init()) { + return EXIT_FAILURE; + } + + RenderGroup render_group; + SDL_GetWindowSize(window, &render_group.m_ScreenWidth, &render_group.m_ScreenHeight); + + + std::vector<SDL_Event> game_events; + game_events.reserve(32); + for (;;) { + ImGui_ImplOpenGL3_NewFrame(); + ImGui_ImplSDL3_NewFrame(); + ImGui::NewFrame(); + + + size_t cur_game_events = 0; + size_t max_game_events = game_events.max_size(); + + SDL_Event event; + while (cur_game_events < max_game_events && SDL_PollEvent(&event)) { + if (event.type == SDL_EVENT_KEY_DOWN || + event.type == SDL_EVENT_MOUSE_BUTTON_DOWN) + { + game_events.emplace_back(event); + cur_game_events++; + } + ImGui_ImplSDL3_ProcessEvent(&event); + + if (event.type == SDL_EVENT_QUIT) + goto QUIT; + if (event.type == SDL_EVENT_WINDOW_CLOSE_REQUESTED && event.window.windowID == SDL_GetWindowID(window)) + goto QUIT; + if (event.type == SDL_EVENT_WINDOW_DESTROYED && event.window.windowID == SDL_GetWindowID(window)) { + goto QUIT; + } + } + + + int w, h; + SDL_GetWindowSize(window, &w, &h); + render_group.m_ScreenWidth = w; + render_group.m_ScreenHeight = h; + + + if (game) { + bool keep_game_running = game->Update(game_events, render_group); + if (!keep_game_running) { + game.reset(); + } + } + else { + Game::GameType type = do_menu(render_group); + if (type != Game::NO_GAME) { + game = Game::Select(type); + } + } + game_events.clear(); + + + + ImGuiWindowFlags flags = ImGuiWindowFlags_NoNav | ImGuiWindowFlags_NoTitleBar | ImGuiWindowFlags_NoCollapse | ImGuiWindowFlags_NoBackground | ImGuiWindowFlags_NoResize | ImGuiWindowFlags_NoMove; + + ImGui::SetNextWindowPos(ImVec2(io.DisplaySize.x - 200, 0)); + ImGui::Begin("Performance", nullptr, flags); + ImGui::Text("%.3f ms/frame (%.1f FPS)", 1000.0f / io.Framerate, io.Framerate); + ImGui::End(); + + + renderer->Draw(render_group); + ImGui::Render(); + ImGui_ImplOpenGL3_RenderDrawData(ImGui::GetDrawData()); + renderer->Present(); + render_group.Reset(); + } + +QUIT: + ImGui_ImplOpenGL3_Shutdown(); + ImGui_ImplSDL3_Shutdown(); + ImGui::DestroyContext(); + + SDL_GL_DestroyContext(sdl_gl_context); + SDL_DestroyWindow(window); + SDL_Quit(); + return 0; +} + |