build and test environment using makefile and basic SDL3 setup

1 files changed, 67 insertions, 0 deletions

diff --git a/src/main.c b/src/main.c
new file mode 100644
index 0000000..d57a434
--- /dev/null
+++ b/src/main.c
@@ -0,0 +1,67 @@
+#include "input.h"
+#include <SDL3/SDL.h>
+#include <SDL3/SDL_video.h>
+
+struct LEO_App {
+	SDL_Window *window;
+	SDL_GLContext gl_context;
+};
+
+int LEO_App_init(struct LEO_App *app)
+{
+	if (!SDL_InitSubSystem(SDL_INIT_VIDEO)) {
+		return 1;
+	}
+
+	app->window = SDL_CreateWindow("title", 640, 480, SDL_WINDOW_OPENGL);
+	if (app->window == NULL) {
+		return 2;
+	}
+
+	app->gl_context = SDL_GL_CreateContext(app->window);
+	if (app->gl_context == NULL) {
+		return 3;
+	}
+
+	return 0;
+}
+
+void LEO_App_run(struct LEO_App *app)
+{
+	SDL_Event event;
+	while (true) {
+		while (SDL_PollEvent(&event))
+			LEO_Input_update(event);
+
+		if (LEO_Input_quit())
+			break;
+
+		SDL_GL_SwapWindow(app->window);
+
+		SDL_Delay(10);
+	}
+}
+
+void LEO_App_free(struct LEO_App *app)
+{
+	if (app->gl_context != NULL)
+		SDL_GL_DestroyContext(app->gl_context);
+
+	if (app->window != NULL)
+		SDL_DestroyWindow(app->window);
+
+	SDL_Quit();
+}
+
+int main(int argc, char **argv)
+{
+	struct LEO_App app;
+	if (LEO_App_init(&app)) {
+		SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION, "failed to init app: %s", SDL_GetError());
+	}
+
+	LEO_App_run(&app);
+
+	LEO_App_free(&app);
+	return 0;
+}