Steven Wroblewski
63 lines
1.7 KiB
GDScript
63 lines
1.7 KiB
GDScript
## SnapReceiver — scans for nearby SnapPoints when the parent Character is released.
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## Attach as child of Character. Connects automatically to DragDropComponent signals.
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class_name SnapReceiver extends Node
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const SCAN_RADIUS: float = 80.0
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var _current_snap: SnapPoint = null
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var _character: Character
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func _ready() -> void:
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_character = get_parent() as Character
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var drag: DragDropComponent = _character.get_node_or_null("DragDropComponent") as DragDropComponent
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if drag != null:
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drag.drag_picked_up.connect(_on_drag_picked_up)
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drag.drag_released.connect(_on_drag_released)
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func _on_drag_picked_up(_pos: Vector2) -> void:
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if _current_snap != null:
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_current_snap.unsnap()
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_current_snap = null
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_character.set_animation_state("held")
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func _on_drag_released(_pos: Vector2) -> void:
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var nearest: SnapPoint = _find_nearest_accepting_snap()
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if nearest != null:
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_current_snap = nearest
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nearest.snap(_character)
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_character.global_position = nearest.global_position
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_character.set_animation_state(nearest.pose)
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else:
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_character.set_animation_state("idle")
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func _find_nearest_accepting_snap() -> SnapPoint:
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var best: SnapPoint = null
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var best_dist: float = SCAN_RADIUS
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for node: Node in get_tree().get_nodes_in_group("snap_points"):
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var snap_point: SnapPoint = node as SnapPoint
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if snap_point == null:
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continue
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if not snap_point.accepts(_character):
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continue
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var dist: float = _character.global_position.distance_to(snap_point.global_position)
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if dist < best_dist:
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best_dist = dist
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best = snap_point
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return best
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func get_current_snap() -> SnapPoint:
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return _current_snap
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func force_unsnap() -> void:
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if _current_snap == null:
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return
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_current_snap.unsnap()
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_current_snap = null
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_character.set_animation_state("idle")
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