I'm going to make a version of this in GameMaker studio 2, So honestly might stop working on this... by the way the dialogue system sprite you can use for your game but give credit to Toby and I! Sorry it is spaghetti code ;-;
CREDITS: Creator of Undertale: Toby Fox, Undertale Artist: Temmie Cheng, Recreator: ScottDaDuck If i don't finish then you can remix and finish here is what I have not finished: Buttons, Monster data, Specific dialog for acting/spare, Fleeing, Bullet patterns -- FOR SPECIFIC MONSTERS