JonShard
222 lines
8.1 KiB
GDScript
222 lines
8.1 KiB
GDScript
class_name ItemContainer
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extends Node3D
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const RECIPE_MANAGER = preload("res://scripts/recipe_Manager.gd")
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@export var enabled: bool = true
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@export var target_group : String # Items with this tag can be added to the container
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@export var meal_positions: Array[Node3D] = []
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@export var side_positions: Array[Node3D] = []
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@onready var area_3d: Area3D = $Area3D
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@onready var xr_pickable: XRToolsPickable = get_parent() as XRToolsPickable
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@onready var _meal_container: Node3D = $MealContainer
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@onready var _side_container: Node3D = $SidesContainer
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var contained_items: Array[FoodItem] # Expose nice list of others to read
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# Called when the node enters the scene tree for the first time.
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func _ready() -> void:
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area_3d.body_entered.connect(_on_body_entered)
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if not area_3d:
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push_error("Area3D node not found in container.gd")
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if not xr_pickable:
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push_error("XRPickable node not found in container.gd")
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# Absorbing items is a server decision (the container's holder is server-
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# snapped into a station, matching table.gd/hob.gd's convention).
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func _on_body_entered(body: Node3D) -> void:
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#if not NetworkManager.owns_world():
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#return
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print("Container enabled: ", enabled)
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if not enabled:
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print("Container disabled in _on_body_entered body")
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return
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if not body.is_in_group(target_group):
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return
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print("Container _on_body_entered body: ", body)
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# If one of us is in a station
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var picked_by = xr_pickable.get_picked_up_by()
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var body_pickable = body as XRToolsPickable
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var body_picked_by = body_pickable.get_picked_up_by() if body_pickable else null
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if (picked_by and picked_by.is_in_group("station")) or (body_picked_by and body_picked_by.is_in_group("station")):
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# If enough space, add item
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var food_item = body.get_node("FoodItem")
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print("Container in station found %s of type %s: %s" % [target_group, FoodItem.Type.keys()[food_item.type], body.name])
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var meal_count := contained_items.filter(func(f): return f.type == FoodItem.Type.MEAL).size()
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var side_count := contained_items.filter(func(f): return f.type == FoodItem.Type.SIDE).size()
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if food_item.type == FoodItem.Type.MEAL and meal_count < meal_positions.size():
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print("Container adding meal")
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_add_item(body)
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if food_item.type == FoodItem.Type.SIDE and side_count < side_positions.size():
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print("Container adding side")
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_add_item(body)
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# Contents are synced as data (ids on the plate's PlateController), not
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# reparented nodes: reparenting a MultiplayerSpawner-tracked item out of
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# WorldContent would despawn it on every client the instant it happened.
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func _add_item(item: Node3D) -> void:
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var pickable = item as XRToolsPickable
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if pickable and pickable.is_picked_up():
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pickable.drop()
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var food_node := item.get_node_or_null("FoodItem") as FoodItem
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if not food_node:
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return
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# Copy the data out before despawning the real item.
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var data := FoodItem.new()
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data.id = food_node.id
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data.type = food_node.type
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data.sell_value = food_node.sell_value
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contained_items.append(data)
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var plate_controller := xr_pickable.get_node_or_null("PlateController") as PlateController
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if plate_controller:
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# Reassign rather than append in place. contained_ids has a setter that
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# rebuilds the plate's visuals, and mutating the array never triggers it —
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# so the peer that actually added the food was the one peer that never
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# redrew the plate. Remote peers looked right (the synchronizer assigns
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# the value there, which does fire the setter), and the stale peer only
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# caught up if someone else took the plate and sent the value back.
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# duplicate() keeps the Array[String] typing that the property requires.
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var updated := plate_controller.contained_ids.duplicate()
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updated.append(food_node.id)
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plate_controller.contained_ids = updated
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item.queue_free()
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func erase_item(item: FoodItem) -> void:
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contained_items.erase(item)
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var plate_controller := xr_pickable.get_node_or_null("PlateController") as PlateController
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if plate_controller:
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# Same reason as _add_item: assign so the visuals actually refresh.
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var remaining := plate_controller.contained_ids.duplicate()
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remaining.erase(item.id)
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plate_controller.contained_ids = remaining
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func clear() -> void:
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contained_items.clear()
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var plate_controller := xr_pickable.get_node_or_null("PlateController") as PlateController
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if plate_controller:
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plate_controller.contained_ids = []
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## Rebuilds the purely-cosmetic visual representation of the plate's contents
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## from a synced id list. Runs on every peer (called from PlateController
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## whenever contained_ids changes, whether set locally or by the network).
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func refresh_visuals(ids: Array[String]) -> void:
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for child in _meal_container.get_children():
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child.queue_free()
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for child in _side_container.get_children():
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child.queue_free()
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var meal_idx := 0
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var side_idx := 0
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for id in ids:
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var scene := RECIPE_MANAGER.get_item_scene(id)
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if not scene:
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continue
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var visual := scene.instantiate()
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var food_node := visual.get_node_or_null("FoodItem") as FoodItem
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var container_root: Node3D
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var positions: Array[Node3D]
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var idx: int
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if food_node and food_node.type == FoodItem.Type.MEAL and meal_idx < meal_positions.size():
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container_root = _meal_container
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positions = meal_positions
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idx = meal_idx
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meal_idx += 1
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elif food_node and food_node.type == FoodItem.Type.SIDE and side_idx < side_positions.size():
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container_root = _side_container
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positions = side_positions
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idx = side_idx
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side_idx += 1
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else:
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visual.queue_free()
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continue
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_make_cosmetic(visual)
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container_root.add_child(visual)
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# Must happen after add_child: entering the world is what puts the body
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# into the physics space, so it can only be taken out again afterwards.
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_remove_from_physics(visual)
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visual.position = positions[idx].position
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visual.rotation = positions[idx].rotation
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# Strip interactivity/networking from a display-only copy: it's not spawned
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# through NetworkManager, so it must never try to sync (its NetPickable child,
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# if any, would have no corresponding replicated identity on other peers) or
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# be grabbable/collidable.
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func _make_cosmetic(visual: Node3D) -> void:
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var net_pickable := visual.get_node_or_null("NetPickable")
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if net_pickable:
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# Detach and free it outright rather than queue_free(): this runs before
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# `visual` is added to the tree, and a merely-queued node still enters the
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# tree with its parent and runs _ready() (which starts syncing and logging)
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# before the queued deletion lands at the end of the frame.
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visual.remove_child(net_pickable)
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net_pickable.free()
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if visual is RigidBody3D:
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visual.freeze = true
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# STATIC, not KINEMATIC: a kinematic body is still driven by the physics
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# engine (see _remove_from_physics), and "static decoration" is what this
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# actually is.
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visual.freeze_mode = RigidBody3D.FREEZE_MODE_STATIC
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visual.collision_layer = 0
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visual.collision_mask = 0
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if visual is XRToolsPickable:
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visual.enabled = false
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visual.set_process(false)
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visual.set_physics_process(false)
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# Take a display-only copy out of the physics simulation completely.
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#
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# Freezing is not enough. Under Jolt (this project's physics engine) a frozen
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# KINEMATIC RigidBody3D is still simulated: it is driven toward its target
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# transform by velocity rather than being teleported. Parented to a plate that
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# gets picked up and carried, it therefore lags behind, keeps its velocity, and
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# overshoots — so the food visibly slid off the plate and ended up metres away,
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# differently on each peer since each simulates its own copy. A body with no
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# space is never touched by the engine, so it simply follows its parent.
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func _remove_from_physics(visual: Node3D) -> void:
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if visual is RigidBody3D:
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PhysicsServer3D.body_set_space((visual as RigidBody3D).get_rid(), RID())
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var despawning_item = visual.get_node_or_null("DespawningItem")
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if despawning_item:
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despawning_item.queue_free()
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#plate (Pickalbe)
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#XRGrapPoints
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#container (script) (meal positions[1], side positions[4])
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#area
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#meals
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#meal - burger
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#sides
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#side - chips
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#side - onion rings
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#tray (Pickalbe)
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#XRGrapPoints
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#container (script) (meal positions[4], side positions[0])
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#food items
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#meals
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#meal - cookie
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#meal - cookie
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#meal - cookie
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#meal - cookie
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