add block remove effect to selection_delete

Author: OctoFlareDev

scripts/selection_delete/selection_delete.gml

@@ -1,7 +1,13 @@
 function selection_delete(argument0) {
 	// selection_delete(undo)
 	// Deletes the selection and the blocks in it.
-	var a, b;
+	var a, b, ani, totalcols, totalrows;
+	if (!fullscreen && show_layers) {
+		totalcols = floor((rw - 8 - 270) / 32)
+	} else {
+		totalcols = floor(rw / 32) + 1
+	}
+	totalrows = floor((rh - rhval) / 32)
 	changed = 1
 	if (selected = 0) return 0
 	for (a = 0; a < selection_l; a += 1) {
@@ -15,6 +21,11 @@ function selection_delete(argument0) {
 	                selection_pan[a, b] = 0
 	                selection_pit[a, b] = 0
 	                selection_played[a, b] = 0
+					if (theme = 3 && remove_effect && selection_x + a >= starta && selection_x + a < starta + totalcols && selection_y + b >= startb && selection_y + b < startb + totalrows) {
+						ani = create(obj_removeeff)
+						ani.xn = selection_x + a - starta
+						ani.yn = selection_y + b - startb
+					}
 	            }
 	        }
 	        selection_colfirst[a] = -1