76 lines
2.2 KiB
C#
76 lines
2.2 KiB
C#
using Godot;
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public partial class DragMover : Node
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{
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[Export] public Node2D Parent; // The node that will move
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[Export] public Area2D DragArea; // Click detection
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[Export] public Area2D CheckArea; // Overlap validation
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[Export] public Area2D ShootArea; // This gets disabled while dragging
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private bool _dragging;
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private Vector2 _dragOffset;
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private Vector2 _originalPosition;
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private bool _canMove = true;
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public override void _Ready()
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{
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if (Parent == null || DragArea == null || CheckArea == null)
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{
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GD.PushError("DragMover exports are not assigned.");
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return;
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}
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DragArea.InputEvent += OnDragAreaInputEvent;
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_originalPosition = Parent.GlobalPosition;
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}
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private void OnDragAreaInputEvent(Node viewport, InputEvent @event, long shapeIdx)
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{
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if (!_canMove) return;
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if (@event is not InputEventMouseButton mb) return;
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if (mb.ButtonIndex != MouseButton.Left) return;
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if (mb.Pressed)
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{
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_dragging = true;
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ShootArea.Monitoring = false;
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_originalPosition = Parent.GlobalPosition;
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_dragOffset = Parent.GlobalPosition - Parent.GetGlobalMousePosition();
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}
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else
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{
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_dragging = false;
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ShootArea.Monitoring = true;
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// Check overlaps when released
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if (CheckArea.HasOverlappingAreas() || CheckArea.HasOverlappingBodies())
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{
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Parent.GlobalPosition = _originalPosition;
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}
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else
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{
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MovementDelay();
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}
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}
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}
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public override void _Process(double delta)
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{
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if (!_dragging) return;
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Parent.GlobalPosition = Parent.GetGlobalMousePosition() + _dragOffset;
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}
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private async void MovementDelay()
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{
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ShootArea.Monitoring = false;
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_canMove = false;
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Parent.SetModulate(Color.FromHtml("ffffff20"));
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await ToSignal(GetTree().CreateTimer(4), SceneTreeTimer.SignalName.Timeout);
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Parent.SetModulate(Color.FromHtml("ffffffff"));
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ShootArea.Monitoring = true;
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_canMove = true;
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}
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} |