44 lines
1.9 KiB
GDScript
44 lines
1.9 KiB
GDScript
extends Node3D
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class_name BuildingManager
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@export_flags_3d_physics var buildings_layer_mask: int = 0b10
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var placing_building: Building = null
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func start_placement(scene: PackedScene) -> void:
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var object: Node = scene.instantiate()
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add_child(object)
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if object is Building:
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placing_building = object
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placing_building._start_placement()
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func _input(event: InputEvent) -> void:
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if placing_building == null:
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return
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if event is InputEventMouseButton and event.is_action("building_place"):
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placement_mouse_input((event as InputEventMouseButton).global_position, true)
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get_viewport().set_input_as_handled()
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elif event is InputEventMouseMotion:
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placement_mouse_input((event as InputEventMouseMotion).global_position, false)
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get_viewport().set_input_as_handled()
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func placement_mouse_input(screen_position: Vector2, confirmed: bool) -> void:
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# try to raycast to see what we clicked on/are hovering
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var camera: Camera3D = get_viewport().get_camera_3d()
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var ray_origin: Vector3 = camera.project_ray_origin(screen_position)
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var ray_normal: Vector3 = ray_origin + camera.project_ray_normal(screen_position) * 200
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var params: PhysicsRayQueryParameters3D = PhysicsRayQueryParameters3D.create(ray_origin, ray_normal)
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if placing_building.collision_shape != null:
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params.exclude = [placing_building.get_rid()]
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var result: Dictionary = get_world_3d().direct_space_state.intersect_ray(params)
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var placment_feedback: int = 0
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if result.has("collider") and result["collider"] is Building:
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placment_feedback = placing_building._placement_select_building(result["collider"] as Building, confirmed)
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elif result.has("position"):
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DebugDraw3D.draw_sphere(result["position"] as Vector3)
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placment_feedback = placing_building._placement_select_position(result["position"] as Vector3, confirmed)
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if placment_feedback & Building.PLACEMENT_COMPLETED:
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placing_building._end_placement()
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placing_building = null
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