As monkey asked, where do you call the function from? It would make most sense to use the EnterRoomBeforeFadein event. Make sure you're not calling it in First Time Player Enters Room interaction, which would explain why it only ran once.
What you want is something like:
Code: ags
What you want is something like:
function on_even(EventType event, int data) {
if (event == eEventEnterRoomBeforeFadein) {
Initsides();
}
}