changing chekc using metadata to use class info

src/logic-scenes/board/card-board.gd

@@ -174,37 +174,37 @@ func handle_mouse_button(to_handle: Area2D, input: InputEvent):
     # TODO: We need a better way to recognize whether "to_handle" is a Card or a Post-It.
     # (Tried checking for a script, didn't work, because script has no name attached.
     # Alternative might be to check for specific values within the script ("is_card" f.e))
-    match to_handle.get_meta("type"):
-        "card": # 1 = Card
-            active_context = ui_context.DROPZONE
-            if input.is_pressed():
-                reorder_areas("dropzone_content")
-                reorder_areas("cards")
+    if to_handle is Card:
+    
+        active_context = ui_context.DROPZONE
+        if input.is_pressed():
+            reorder_areas("dropzone_content")
+            reorder_areas("cards")
+        else:
+            dropzone.move_child(currently_dragged_area, -1)
+            currently_dragged_area = null
+    elif to_handle is PostIt:
+        if input.is_pressed():
+            to_handle.reparent(dropzone)
+            to_handle.on_board = true
+            to_handle.set_owner(self)   # needs to be here otherwise the owner disappears
+            area_dict["post_its_in_list"].erase(to_handle)
+            area_dict["dropzone_content"].push_back(to_handle)
+            # TODO (if needed): Add function to rearrange the array based on positions in the dropzone
+        else:
+            if is_in_dropzone(to_handle):
+                    if to_handle.has_overlapping_areas():
+                        for area in to_handle.get_overlapping_areas():
+                            if area is Card:
+                                if !area.has_postit_attached():
+                                    attach_postit_to_card(to_handle, area)
+                    else:
+                        to_handle.rotation = to_handle.base_rotation
+                        to_handle.scale = to_handle.base_scale
             else:
-                dropzone.move_child(currently_dragged_area, -1)
-                currently_dragged_area = null
-        "post-it": # 2 = PostIt
-            if input.is_pressed():
-                to_handle.reparent(dropzone)
-                to_handle.on_board = true
-                to_handle.set_owner(self)   # needs to be here otherwise the owner disappears
-                area_dict["post_its_in_list"].erase(to_handle)
-                area_dict["dropzone_content"].push_back(to_handle)
-                # TODO (if needed): Add function to rearrange the array based on positions in the dropzone
-            else:
-                if is_in_dropzone(to_handle):
-                        if to_handle.has_overlapping_areas():
-                            for area in to_handle.get_overlapping_areas():
-                                if area.get_meta("type") == "card":
-                                    if !area.has_postit_attached():
-                                        attach_postit_to_card(to_handle, area)
-                        else:
-                            to_handle.rotation = to_handle.base_rotation
-                            to_handle.scale = to_handle.base_scale
-                else:
-                    active_context = ui_context.POST_IT_LIST
-                    _return_postit_to_panels(to_handle)
-                currently_dragged_area = null
+                active_context = ui_context.POST_IT_LIST
+                _return_postit_to_panels(to_handle)
+            currently_dragged_area = null
 
 
 # Logic for attaching a postit to a card. Also reset postit positions if the card cannot be attached
@@ -346,7 +346,7 @@ func _input(event):
 # Sets everything up to enter the context where postits can be assigned via button controls
 func _enter_assignment_context():
     # cards are currently not moved, only post its. Exit function if a card should be moved.
-    if currently_selected_node == null or currently_selected_node.get_meta("type") != "post-it" : return
+    if currently_selected_node == null or not currently_selected_node is PostIt : return
     
     # if the postit is already attached, remove it and return it to the post it panels
     if currently_selected_node.is_postit_attached():

src/logic-scenes/board/card.gd

@@ -65,8 +65,6 @@ var mouse_offset: Vector2
 
 func _ready():
     
-    self.set_meta("type", "card")  # set type information to find out if this node is a card
-    
     _handle_wiggle(0)
     if not Engine.is_editor_hint() and is_inside_tree():
         for postit in self.get_children():
@@ -155,7 +153,7 @@ func _move_card():
 func has_postit_attached() -> bool:
     var all_children = get_children()
     for child in all_children:
-        if child.get_meta("type") == "post-it":
+        if child is PostIt:
             return true
     return false
 

src/logic-scenes/board/post-it.gd

@@ -57,8 +57,6 @@ var on_board = false
 
 func _ready() -> void:
     
-    self.set_meta("type", "post-it")  # set type information to find out if this node is a post-it
-    
     $Content/Label.text = self.text
     $Content/BackgroundSprite.frame = text.hash() % $Content/BackgroundSprite.sprite_frames.get_frame_count($Content/BackgroundSprite.animation)
     
@@ -118,7 +116,7 @@ func _move_post_it():
         position += (get_viewport().get_mouse_position() - position) - mouse_offset
 
 func is_postit_attached() -> bool:
-    if self.get_parent().get_meta("type") == "card":
+    if self.get_parent() is Card:
         return true
     return false