If map columns window is open, close it then reopen it.

Scenes/CustomTooltip.gd

@@ -39,7 +39,7 @@ func set_floortexture(floorTextureValue):
 	dataTexture.create_from_image(dataImage, 0)
 
 	dataImage.lock()
-	dataImage.set_pixel(0, 0, Color8(floorTextureValue >> 16 & 255, floorTextureValue >> 8 & 255, floorTextureValue & 255))
+	dataImage.set_pixel(0, 0, Color8(int(floorTextureValue) >> 16 & 255, int(floorTextureValue) >> 8 & 255, int(floorTextureValue) & 255))
 	dataImage.unlock()
 	dataTexture.set_data(dataImage)
 

Scenes/OpenMap.gd

@@ -98,9 +98,6 @@ func open_map(filePath):
 
 	# Always begin by clearing map
 	oCurrentMap.clear_map()
-	# Close windows that I want closed
-	oMapSettingsWindow.visible = false
-	oColumnEditor.visible = false
 
 	var map = filePath.get_basename()
 
@@ -233,6 +230,13 @@ func continue_load(map):
 		oMessage.quick("Fixed column index 0, re-save your map.")
 
 	oDataClm.store_default_data()
+
+	oMapSettingsWindow.visible = false
+
+
+	if oColumnEditor.visible == true:
+		oColumnEditor.visible = false
+		Utils.popup_centered(oColumnEditor)
 
 func continue_load_openmap(map):
 	oEditor.mapHasBeenEdited = false

Scenes/UndoStates.gd

@@ -40,7 +40,7 @@ func attempt_to_save_new_undo_state(): # called by oEditor
 
 
 func on_undo_state_saved(new_state):
-	if undo_history.size() >= 2 and are_states_equal(new_state, undo_history[1]):
+	if undo_history.size() >= 1 and are_states_equal(new_state, undo_history[0]):
 		oMessage.quick("Didn't add undo state as it is the same as the previous undo-state")
 		is_saving_state = false
 		return