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Minigames/Components/dragComponent.gd

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+extends Node2D
+class_name DragComponent
+
+@export var MouseIntComp: MouseInteractionComponent ##Where the player klicks to drag the component
+@export var intBox: InteractBoxMinigame ##Used to determine if this component interacts with another component
+
+@export var canDrag: bool = true ##If true the component can be moved by dragging it
+@export var singleDrag: bool = true ##If true the component can only be moved when its the only dragged component
+@export var resetWhenLetGo: bool = false ##If the player stops dragging the component returns to its home pos
+@export var lockWhenatGoal: bool = false ##If the component reaches a goal, it cannot be dragged anymore
+@export var openLockOnClick: bool = false ##If the component is clicked (Impulse) it will stop being locked at its goal (THIS REQUIRES LOCK WHEN AT GOAL TO BE TRUE)
+@export var goalID: int = 0 ##What goals this component can interact with (All goals of the same ID)
+
+@export var homePos: Vector2 = Vector2(0,0) ##If this is 0,0 it gets set to the current position on ready
+@export var goalPos: Vector2 = Vector2(0,0) ##Position of goal where to component can be dragged to stay there
+
+var leftMouseClicked: bool = false
+var atGoal: bool = false
+var goalSocket: GoalBox
+
+var mousePos: Vector2 = Vector2(0,0)
+
+func _ready() -> void:
+	if intBox:
+		intBox.area_entered.connect(areaEntered)
+		intBox.area_exited.connect(areaExited)
+	
+	if MouseIntComp:
+		MouseIntComp.stickyHold = true
+	
+	MouseIntComp.actionPressed.connect(interactionClicked)
+	
+	if !homePos:
+		homePos = self.position
+	else:
+		self.position = homePos
+
+
+func _input(event: InputEvent) -> void:
+	if event is InputEventMouse:
+		mousePos = event.position
+
+func _process(_delta: float) -> void:
+	if atGoal and lockWhenatGoal:
+		self.position = goalPos
+		canDrag = false
+		MouseIntComp.monitorable = false
+		
+		return
+	else:
+		MouseIntComp.monitorable = true
+		if openLockOnClick and !atGoal:
+			lockWhenatGoal = true
+	
+	if !canDrag: return
+	
+	if MouseIntComp.actionHeld:
+		self.position = mousePos
+	elif atGoal:
+		self.position = goalPos
+	elif resetWhenLetGo:
+		self.position = homePos
+
+func interactionClicked() -> void:
+	if openLockOnClick and atGoal:
+		lockWhenatGoal = false
+		canDrag = true
+
+func areaEntered(area: Area2D) -> void:
+	if area is GoalBox:
+		if area.goalID == goalID:
+			goalPos = area.position
+			atGoal = true
+			goalSocket = area
+	
+	if area is MouseInteractionComponent and singleDrag and canDrag:
+		MouseIntComp.actionHeld = false
+		self.position = homePos
+
+func areaExited(area: Area2D) -> void:
+	if area is GoalBox:
+		if area.goalID == goalID:
+			atGoal = false
+		if area == goalSocket:
+			goalSocket = null
+
+func adaptCoordinateScale(input: Vector2) -> Vector2:
+	return input / Vector2(1152,648) * Vector2(DisplayServer.window_get_size())