Refactor...

src/loader.cpp

@@ -0,0 +1,93 @@
+#include "loader.h"
+
+#include <imgui/backends/imgui_impl_opengl3.h>
+#include <imgui/backends/imgui_impl_sdl3.h>
+
+#include "filesystem.h"
+#include "log.h"
+
+using namespace anm2ed::log;
+using namespace anm2ed::settings;
+using namespace anm2ed::types;
+
+namespace anm2ed::loader
+{
+  std::string settings_path()
+  {
+    return filesystem::path_preferences_get() + "settings.ini";
+  }
+
+  Loader::Loader(int argc, const char** argv)
+  {
+    for (int i = 1; i < argc; i++)
+      arguments.emplace_back(argv[i]);
+
+    if (!SDL_Init(SDL_INIT_VIDEO))
+    {
+      logger.fatal(std::format("Could not initialize SDL! {}", SDL_GetError()));
+      isError = true;
+      return;
+    }
+
+    settings = Settings(settings_path());
+
+    window = SDL_CreateWindow("Anm2Ed", settings.windowSize.x, settings.windowSize.y,
+                              SDL_WINDOW_RESIZABLE | SDL_WINDOW_OPENGL | SDL_WINDOW_HIGH_PIXEL_DENSITY);
+
+    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, 3);
+
+    glContext = SDL_GL_CreateContext(window);
+
+    if (!glContext)
+    {
+      logger.fatal(std::format("Could not initialize OpenGL context! {}", SDL_GetError()));
+      isError = true;
+      return;
+    }
+
+    if (!gladLoadGLLoader((GLADloadproc)(SDL_GL_GetProcAddress)))
+    {
+      logger.fatal(std::format("Could not initialize OpenGL!"));
+      isError = true;
+      return;
+    }
+
+    logger.info(std::format("OpenGL {}", (const char*)glGetString(GL_VERSION)));
+
+    glEnable(GL_BLEND);
+    glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+    glLineWidth(2.0f);
+    glDisable(GL_MULTISAMPLE);
+    glDisable(GL_DEPTH_TEST);
+    glDisable(GL_LINE_SMOOTH);
+    glClearColor(color::BLACK.r, color::BLACK.g, color::BLACK.b, color::BLACK.a);
+
+    IMGUI_CHECKVERSION();
+    ImGui::CreateContext();
+    ImGui::StyleColorsDark();
+
+    ImGui_ImplSDL3_InitForOpenGL(window, glContext);
+    ImGui_ImplOpenGL3_Init("#version 330");
+
+    ImGuiIO& io = ImGui::GetIO();
+    io.IniFilename = nullptr;
+    io.ConfigFlags |= ImGuiConfigFlags_DockingEnable | ImGuiConfigFlags_NavEnableKeyboard;
+    io.ConfigWindowsMoveFromTitleBarOnly = true;
+
+    ImGui::LoadIniSettingsFromDisk(settings_path().c_str());
+  }
+
+  Loader::~Loader()
+  {
+    settings.save(settings_path(), ImGui::SaveIniSettingsToMemory(nullptr));
+
+    ImGui_ImplSDL3_Shutdown();
+    ImGui_ImplOpenGL3_Shutdown();
+    ImGui::DestroyContext();
+    SDL_GL_DestroyContext(glContext);
+    SDL_DestroyWindow(window);
+    SDL_Quit();
+  }
+}