build update

Scripts/building_area.gd

@@ -45,6 +45,7 @@ func hide_preview():
 func place_object():
 	is_placed = true
 	buildTransparentPreivew.visible = false
+	Global.object_placed.emit()
 
 func _on_enter_build_mode():
 	if !is_placed:
@@ -52,7 +53,3 @@ func _on_enter_build_mode():
 func _on_exit_build_mode():
 	hide_preview()
 	buildTransparentPreivew.visible = false
-
-func set_preview_material():
-	#beds
-	pass