removing many mouse movement bugs

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

@@ -12,6 +12,8 @@ var focus_stickies:bool = true:
 	set(stickies):
 		if stickies and sticky_note_container.get_child_count() == 0: return
 		
+		# this messes things up if called unneeded.
+		if focus_stickies != stickies:
 			focus_stickies = stickies
 			
 			if not current_context == ASSIGN:
@@ -32,6 +34,9 @@ var has_stage = false:
 				process_mode = Node.PROCESS_MODE_INHERIT
 			else:
 				process_mode = Node.PROCESS_MODE_DISABLED
+				for sticky in dropzone.get_children():
+					if sticky is StickyNote:
+						sticky.is_dragged = false
 		visible = has_stage
 
 @onready var dropzone = $HBoxContainer/dropzone
@@ -69,6 +74,8 @@ var mementos_collected: int = 0:
 
 @onready var currently_active_node: Area2D = null:
 	set(new_node):
+		# this makes sure no accidental context switches can happen while a card is being dragged.
+		if not current_context == DRAG:
 			if not currently_active_node == null:
 				currently_active_node.highlighted = false
 			currently_active_node = new_node
@@ -157,16 +164,16 @@ func add_sticky_note(sticky: StickyNote):
 func is_in_dropzone(to_check: Node) -> bool:
 	return dropzone.get_rect().has_point(to_check.global_position)
 
-# called if a mouse button is pressed
+# Called by notes when a mouse event needs handling
-func handle_mouse_button(to_handle: Area2D, input: InputEvent):
+func handle_mouse_button(input: InputEventMouseButton, to_handle = currently_active_node):
-	# No two areas can be dragged at the same time.
+	
-	# Make sure that only the same area is dragged.
+	# Makes sure that only the same area is dragged.
 	# Otherwise overlapping areas are dragged at the same time. 
 	if current_context == DRAG and to_handle != currently_active_node:
 		return
 	
-	currently_active_node = to_handle  # update currently selected
+	if input.button_index == MOUSE_BUTTON_MASK_LEFT and input.pressed:
-	if input.is_action_pressed("mouse_left"):
+		currently_active_node = to_handle
 		to_handle.is_dragged = true
 		if to_handle is StickyNote:
 			if not to_handle.on_board:
@@ -176,7 +183,7 @@ func handle_mouse_button(to_handle: Area2D, input: InputEvent):
 		current_context = DRAG
 	
 	# when Drag stops ...
-	if input.is_action_released("mouse_left"):
+	if input.button_index == MOUSE_BUTTON_MASK_LEFT and not input.pressed:
 		to_handle.is_dragged = false
 		if to_handle is StickyNote:
 			if is_in_dropzone(to_handle):
@@ -216,6 +223,7 @@ func handle_mouse_button(to_handle: Area2D, input: InputEvent):
 		if input.is_action_pressed("mouse_right") and current_context == DRAG:
 			to_handle.reset_drag()
 
+
 func _return_sticky_notes_to_panels():
 	for panel in sticky_note_container.get_children():
 		panel.reclaim_sticky_note()
@@ -272,7 +280,15 @@ func _input(event):
 		State.leave_stage(self)
 	
 	# Return, if the input is a mouse event (mouse events are handled separately)
-	if event is InputEventMouse or !has_stage or not is_instance_valid(currently_active_node): return
+	if not has_stage or not is_instance_valid(currently_active_node): return
+	
+	if event is InputEventMouse:
+		# makes sure to pass release events so notes do not get attached to the mouse while the cursor leaves the area.
+		if event is InputEventMouseButton and current_context == DRAG:
+			if event.button_index == MOUSE_BUTTON_LEFT and not event.pressed:
+				handle_mouse_button(event)
+		else:
+			return
 	
 	if current_context != DRAG:    
 		if event.is_action_pressed("ui_up"):

src/logic-scenes/board/card.gd

@@ -76,6 +76,10 @@ var mouse_offset: Vector2
 
 func _ready():
 	
+	input_event.connect(_on_input_event)
+	mouse_entered.connect(_on_mouse_entered)
+	mouse_exited.connect(_on_mouse_exited)
+	
 	_handle_wiggle(0)
 	if not Engine.is_editor_hint() and is_inside_tree():
 		for sticky_note in self.get_children():
@@ -131,6 +135,11 @@ func replace_with(card: Card):
 	self.voice_line = card.voice_line
 	self.name = card.name
 
+func _input(event: InputEvent) -> void:
+	if event is InputEventMouseButton:
+		if event.button_index == MOUSE_BUTTON_LEFT and not event.pressed:
+			is_dragged = false
+
 func _on_focus_entered():
 	print(self, "is focused")
 
@@ -142,7 +151,7 @@ func _on_mouse_entered():
 	if not Input.is_action_pressed("mouse_left"):
 		# Do nothing if mouse hovers over sticky_note
 		if has_sticky_note_attached():
-			if get_child(-1).highlighted:
+			if current_sticky_note.highlighted:
 				return
 		highlighted = true
 		if "handle_hover" in owner:
@@ -162,7 +171,7 @@ func _on_input_event(viewport, event, shape_idx):
 			if "handle_mouse_button" in owner:
 				mouse_offset = (get_viewport().get_mouse_position() - position)                
 				if highlighted:
-					owner.handle_mouse_button(self, event)
+					owner.handle_mouse_button(event, self)
 
 func _move_card():
 	if is_dragged:
@@ -205,7 +214,7 @@ func exchange_sticky_note_with(new_note: StickyNote) -> StickyNote:
 	attach_sticky_note(new_note)
 	return tmp
 
-## TODO why does this exist?    
+# This makes sure this node highlights itself when focus has left the sticky note.
 func check_hover():
 	if is_mouse_entered:
 		_on_mouse_entered()

src/logic-scenes/board/card.tscn

@@ -85,7 +85,3 @@ autowrap_mode = 3
 
 [node name="sticky note anchor" type="Node2D" parent="."]
 position = Vector2(-66, 83)
-
-[connection signal="input_event" from="." to="." method="_on_input_event"]
-[connection signal="mouse_entered" from="." to="." method="_on_mouse_entered"]
-[connection signal="mouse_exited" from="." to="." method="_on_mouse_exited"]

src/logic-scenes/board/sticky-note.gd

@@ -2,9 +2,13 @@
 
 extends Area2D
 class_name StickyNote
-var sibling
+var sibling: StickyNote
-var shift_tween
+var shift_tween: Tween
-var modulate_tween
+var modulate_tween: Tween
+var card_stick_tween: Tween
+var hovering_cards: Array[Card]
+var hover_pos_shift: float
+
 
 signal transform_tween_finished
 
@@ -50,6 +54,7 @@ var is_dragged: bool = false:
 	set(dragged):
 		is_dragged = dragged
 		z_index = int(dragged)
+		if not is_dragged: highlighted = false
 
 var initial_drag_position: Vector2
 var mouse_diff: Vector2
@@ -61,6 +66,12 @@ var attached_to: Node = null
 
 func _ready() -> void:
 	
+	input_event.connect(_on_input_event)
+	mouse_entered.connect(_on_mouse_entered)
+	mouse_exited.connect(_on_mouse_exited)
+	area_entered.connect(_on_area_enter)
+	area_exited.connect(_on_area_exit)
+	
 	$Content/Label.text = self.text
 	$Content/BackgroundSprite.frame = text.hash() % $Content/BackgroundSprite.sprite_frames.get_frame_count($Content/BackgroundSprite.animation)
 	
@@ -89,12 +100,6 @@ func _process(delta: float) -> void:
 	
 	_move_sticky_note()
 
-func _on_focus_entered():
-	print(self, "is focused")
-
-func _on_focus_exited():
-	print(self, "is not focused")
-
 func _on_mouse_entered():
 	if not Input.is_action_pressed("mouse_left"):
 		highlighted = true
@@ -102,26 +107,55 @@ func _on_mouse_entered():
 			owner.handle_hover(self)
 
 func _on_mouse_exited():
-	highlighted = false
 	if is_sticky_note_attached() and "check_hover" in get_parent():
 		get_parent().check_hover()
 		
-func _on_input_event(viewport, event, shape_idx):
+	if not is_dragged:
+		highlighted = false
 
+func _on_area_enter(card: Area2D):
+	print(card)
+	if card is Card:
+		if hovering_cards == []:
+			hovering_cards = [card]
+			card_stick_tween = get_tree().create_tween()
+			card_stick_tween.set_ease(Tween.EASE_IN_OUT)
+			card_stick_tween.tween_property(self, "hover_pos_shift", 0.3, 0.3)
+		else:
+			hovering_cards.append(card)
+
+func _on_area_exit(card: Area2D):
+	if hovering_cards.has(card):
+		hovering_cards.erase(card)
+		card.highlighted = false
+		if hovering_cards == []:
+			hover_pos_shift = 0
+			$Content.position = Vector2.ZERO
+
+func _on_input_event(viewport, event, shape_idx):
 	if event is InputEventMouseButton:
 		if event.button_index == MOUSE_BUTTON_LEFT or event.button_index == MOUSE_BUTTON_RIGHT:
 			if "handle_mouse_button" in owner:
 				mouse_diff = get_viewport().get_mouse_position()
 				initial_drag_position = global_position
-				owner.handle_mouse_button(self, event)
+				owner.handle_mouse_button(event, self)
 
 func _move_sticky_note():
 	if is_dragged:
 		position = initial_drag_position + get_viewport().get_mouse_position() - mouse_diff
 		
+		if hovering_cards != []:
+			var closest: Card = hovering_cards[0]
+			for card in hovering_cards:
+				card.highlighted = false
+				if (closest.position - position).length() > (closest.position - position).length():
+					card = closest
+			closest.highlighted = true
+			$Content.position = (closest.sticky_note_anchor.global_position - global_position) * hover_pos_shift
+
 func is_sticky_note_attached() -> bool:
 	# there is probably a nicer way to do this
-	return self.get_parent().get_parent() is Card
+	return self.get_parent() is Card
 
 func tween_transform_to(target: Transform2D):
 	var transform_tween: Tween = create_tween()

src/logic-scenes/board/sticky-note.tscn

@@ -134,7 +134,3 @@ theme = ExtResource("3_qmm0h")
 theme_type_variation = &"card_text"
 vertical_alignment = 1
 autowrap_mode = 3
-
-[connection signal="input_event" from="." to="." method="_on_input_event"]
-[connection signal="mouse_entered" from="." to="." method="_on_mouse_entered"]
-[connection signal="mouse_exited" from="." to="." method="_on_mouse_exited"]

src/logic-scenes/board/void_card.tscn

@@ -184,7 +184,3 @@ autowrap_mode = 3
 
 [node name="sticky note anchor" type="Node2D" parent="."]
 position = Vector2(-65.6478, 60.3852)
-
-[connection signal="input_event" from="." to="." method="_on_input_event"]
-[connection signal="mouse_entered" from="." to="." method="_on_mouse_entered"]
-[connection signal="mouse_exited" from="." to="." method="_on_mouse_exited"]