Created first version of SimpleSocket to test socket with SimpleKey (Any pickupable with socket)

Scenes/Main.tscn

@@ -1,5 +1,6 @@
 [gd_scene format=3 uid="uid://cwwsolupah1s3"]
 
+[ext_resource type="PackedScene" uid="uid://cvipcpeglasek" path="res://Scenes/SimpleSocket.tscn" id="1_grg3l"]
 [ext_resource type="PackedScene" uid="uid://cpog4xqme7wqj" path="res://Scenes/Player.tscn" id="1_pbw6q"]
 [ext_resource type="PackedScene" uid="uid://hmpweoahtner" path="res://Scenes/Door.tscn" id="2_v1gob"]
 [ext_resource type="PackedScene" uid="uid://dgre5brxnbps0" path="res://Scenes/MedievalDoor.tscn" id="3_jw32o"]
@@ -41,6 +42,9 @@ mesh = SubResource("BoxMesh_1blfk")
 [node name="CollisionShape3D" type="CollisionShape3D" parent="StaticBody3D" unique_id=2109163521]
 shape = SubResource("BoxShape3D_va8t4")
 
+[node name="SimpleSocket" parent="StaticBody3D" unique_id=1835661048 instance=ExtResource("1_grg3l")]
+transform = Transform3D(1, 0, 0, 0, 0.6742996, 0.7384579, 0, -0.7384579, 0.6742996, -11.95581, 1.1145909, 3.0031586)
+
 [node name="Player" parent="." unique_id=1270645855 instance=ExtResource("1_pbw6q")]
 
 [node name="WorldEnvironment" type="WorldEnvironment" parent="." unique_id=1880837933]
@@ -126,10 +130,9 @@ maxRaycastDistance = 10.0
 [node name="SimplePickupable4" parent="." unique_id=1419866814 instance=ExtResource("10_bmxlf")]
 transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 1.0351448, 3.2192059)
 
-[node name="SimplePickupable5" type="Node3D" parent="." unique_id=1116791131 node_paths=PackedStringArray("body")]
+[node name="SimplePickupable5" type="Node3D" parent="." unique_id=1116791131]
 transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, -1.0500765, 1.2124488, 6.335041)
 script = ExtResource("11_4kpch")
-body = NodePath("")
 bodyMass = 100.0
 metadata/_custom_type_script = "uid://b143brnl7gf4f"
 

Scenes/SimpleKey.tscn

@@ -14,7 +14,7 @@ albedo_color = Color(1, 1, 0, 1)
 [node name="SimpleKey" type="Node3D" unique_id=650555678 node_paths=PackedStringArray("body", "snapAnchor")]
 script = ExtResource("1_rsor3")
 body = NodePath("RigidBody3D")
-snapAnchor = NodePath("SnapAnchor")
+snapAnchor = NodePath("RigidBody3D/SnapAnchor")
 metadata/_custom_type_script = "uid://b143brnl7gf4f"
 
 [node name="RigidBody3D" type="RigidBody3D" parent="." unique_id=1946674219]
@@ -28,5 +28,5 @@ shape = SubResource("BoxShape3D_1blfk")
 mesh = SubResource("BoxMesh_va8t4")
 surface_material_override/0 = SubResource("StandardMaterial3D_w4i4f")
 
-[node name="SnapAnchor" type="Marker3D" parent="." unique_id=389082687]
+[node name="SnapAnchor" type="Marker3D" parent="RigidBody3D" unique_id=389082687]
-transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0.15)
+transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, -0.15)

Scenes/SimpleSocket.tscn

@@ -0,0 +1,26 @@
+[gd_scene format=3 uid="uid://cvipcpeglasek"]
+
+[ext_resource type="Script" uid="uid://xd03vepkva1l" path="res://Scripts/Socket.gd" id="1_5ldhx"]
+
+[sub_resource type="BoxMesh" id="BoxMesh_1blfk"]
+size = Vector3(1, 1, 0.2)
+
+[sub_resource type="BoxShape3D" id="BoxShape3D_1blfk"]
+size = Vector3(1, 1, 0.2)
+
+[node name="SimpleSocket" type="Node3D" unique_id=1835661048 node_paths=PackedStringArray("snapPoint", "snapArea")]
+script = ExtResource("1_5ldhx")
+snapPoint = NodePath("Marker3D")
+snapArea = NodePath("Area3D")
+metadata/_custom_type_script = "uid://xd03vepkva1l"
+
+[node name="MeshInstance3D" type="MeshInstance3D" parent="." unique_id=1351826322]
+mesh = SubResource("BoxMesh_1blfk")
+
+[node name="Area3D" type="Area3D" parent="." unique_id=792436256]
+
+[node name="CollisionShape3D" type="CollisionShape3D" parent="Area3D" unique_id=1932740275]
+shape = SubResource("BoxShape3D_1blfk")
+
+[node name="Marker3D" type="Marker3D" parent="." unique_id=1726119799]
+transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0.1)

Scripts/Pickupable.gd

@@ -25,6 +25,8 @@ var holdDistance: float
 var rotationOffset: Basis
 var localCenterOffset: Vector3
 
+var currentSocket: Socket = null
+
 func _ready():
 	if body:
 		body.mass = bodyMass
@@ -115,6 +117,9 @@ func endInteract(player):
 	rotating = false
 	player.setMouseFactors(1.0, 1.0)
 	playerRef = null
+	
+	if currentSocket != null and currentSocket.isInRange(self):
+		currentSocket.snapObject(self)
 
 func throw():
 	if !dragging:

Scripts/Socket.gd

@@ -2,13 +2,19 @@ class_name Socket
 extends Node3D
 
 @export var snapPoint: Marker3D
+@export var snapArea: Area3D
 @export var snapDistance: float = 0.5
 @export var lockOnSnap: bool = true
 
 var candidate: Pickupable = null
 var snappedObject: Pickupable = null
 
-func is_in_range(object: Pickupable) -> bool:
+func _ready() -> void:
+	if snapArea:
+		snapArea.body_entered.connect(onBodyEntered)
+		snapArea.body_exited.connect(onBodyExited)
+
+func isInRange(object: Pickupable) -> bool:
 	if object == null:
 		return false
 
@@ -33,7 +39,7 @@ func getSnapTransform(object: Pickupable) -> Transform3D:
 	return snapPoint.global_transform * anchorOffset.affine_inverse()
 
 func snapObject(object: Pickupable):
-	if not is_in_range(object):
+	if not isInRange(object):
 		return
 
 	var targetTransform := getSnapTransform(object)
@@ -50,3 +56,17 @@ func snapObject(object: Pickupable):
 
 	snappedObject = object
 	candidate = null
+
+func onBodyEntered(body: Node3D):
+	if body is RigidBody3D and body.get_parent() is Pickupable:
+		var pickup = body.get_parent() as Pickupable
+		pickup.currentSocket = self
+		candidate = pickup
+
+func onBodyExited(body: Node3D):
+	if body is RigidBody3D and body.get_parent() is Pickupable:
+		var pickup = body.get_parent() as Pickupable
+		if pickup.currentSocket == self:
+			pickup.currentSocket = null
+		if candidate == pickup:
+			candidate = null