entry.h

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#pragma once
 
#include "application_types.h"
#include "core/engine.h"
#include "core/logger.h"
 
extern b8 create_application(application* out_app);
 
extern b8 initialize_application(application* app);
 
int main(void) {
    // Request the application instance from the application.
    application app_inst = {0};
    if (!create_application(&app_inst)) {
        KFATAL("Could not create application!");
        return -1;
    }
 
    // Ensure the function pointers exist.
    if (!app_inst.render_frame || !app_inst.prepare_frame || !app_inst.update || !app_inst.initialize || !app_inst.on_resize) {
        KFATAL("The application's function pointers must be assigned!");
        return -2;
    }
 
    // Initialization.
    if (!engine_create(&app_inst)) {
        KFATAL("Engine failed to create!.");
        return 1;
    }
 
    if (!initialize_application(&app_inst)) {
        KFATAL("Could not initialize application!");
        return -1;
    }
 
    // Begin the engine loop.
    if (!engine_run(&app_inst)) {
        KINFO("Application did not shutdown gracefully.");
        return 2;
    }
 
    return 0;
}