Add BuildModeController that deletes loose items on enter BuildMode

Prefabs/build_mode_controller.gd

@@ -0,0 +1,38 @@
+extends Node
+class_name BuildModeController
+
+# Called when the node enters the scene tree for the first time.
+func _ready() -> void:
+	Signals.game_state_changed.connect(_on_game_state_changed)
+
+
+func _on_game_state_changed(new_state: GameManager.GameState) -> void:
+	print("BuildModeController: game_state_changed to %s" % new_state)
+	if new_state == GameManager.GameState.BUILDING:
+		despawn_unheld_pickables()
+
+
+# Despawn all food_items unless it's in a "persistent_inventory" snap_zone
+func despawn_unheld_pickables():
+	var root = get_tree().get_root()
+	var pickables: Array[Node] = []
+	_collect_pickables(root, pickables)
+	for pickable in pickables:
+		if not Helper.find_food_item(pickable):
+			continue
+		var held_by: Node = pickable.get_picked_up_by()
+		if not held_by:
+			NetworkManager.despawn_item(pickable)
+			continue
+		if not held_by.is_in_group("persistent_inventory"):
+			held_by.get_parent().print_tree_pretty()
+			print("BuildModeController despawn_unheld_pickables held_by: %s, pickable: %s " % [held_by, pickable])
+			NetworkManager.despawn_item(pickable)
+			
+
+func _collect_pickables(node: Node, out_array: Array) -> void:
+	if node is XRToolsPickable:
+		out_array.append(node)
+	for child in node.get_children():
+		if child is Node:
+			_collect_pickables(child, out_array)

Prefabs/build_mode_controller.gd.uid

@@ -0,0 +1 @@
+uid://bsdpd18i1i17s

Prefabs/kitchen_instantiator.gd

@@ -16,9 +16,3 @@ func _ready() -> void:
 		# Later we will do procedural generation here.
 		# For now we just load a scene.
 		NetworkManager.call_deferred("spawn_item", kitchen_scene.resource_path, transform)
-
-func _unhandled_input(event: InputEvent) -> void:
-	if event.is_action_pressed("satisfy_table_orders"):
-		var trans: Transform3D = transform
-		trans.origin += Vector3(-1.2, 0, 0)
-		NetworkManager.call_deferred("spawn_item", hob_scene.resource_path, trans)

Scenes/test_small.tscn

@@ -8,6 +8,7 @@
 [ext_resource type="PackedScene" uid="uid://efaec6ymgabo" path="res://stations/Counter.tscn" id="7_jnxsa"]
 [ext_resource type="PackedScene" uid="uid://drwuhqb3pjtiy" path="res://items/potato.tscn" id="8_1qeqw"]
 [ext_resource type="PackedScene" uid="uid://dlw5geheupgpt" path="res://stations/hatch.tscn" id="8_atgwk"]
+[ext_resource type="Script" uid="uid://bsdpd18i1i17s" path="res://prefabs/build_mode_controller.gd" id="9_atgwk"]
 
 [sub_resource type="Environment" id="Environment_bvwq1"]
 background_mode = 2
@@ -99,3 +100,6 @@ transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, -1.2, 0, 0)
 
 [node name="Hatch2" parent="." unique_id=1755144529 instance=ExtResource("8_atgwk")]
 transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0.6, 0, 0)
+
+[node name="BuildModeController" type="Node" parent="." unique_id=1876729190]
+script = ExtResource("9_atgwk")

Stations/Hob.tscn

@@ -1,50 +1,12 @@
 [gd_scene format=3 uid="uid://j7caslh27nor"]
 
 [ext_resource type="Script" uid="uid://bsn8vhv5adxdo" path="res://stations/hob.gd" id="1_7jc4g"]
+[ext_resource type="PackedScene" uid="uid://cvucwxibtol5f" path="res://stations/StationMovement.tscn" id="1_pydjp"]
 [ext_resource type="Script" uid="uid://cquqe4f1m1sw6" path="res://addons/godot-xr-tools/objects/snap_zone.gd" id="2_er1dp"]
 [ext_resource type="AudioStream" uid="uid://bqtk1adk8umbx" path="res://sounds/220197__gameaudio__click-basic.wav" id="3_6oyg1"]
 [ext_resource type="PackedScene" uid="uid://bxbocxdaayvwx" path="res://UI/progress_bar.tscn" id="3_7uuqv"]
 [ext_resource type="Material" uid="uid://d1djvskv4n4m3" path="res://textures/hob_off.tres" id="4_8qpxk"]
 [ext_resource type="Material" uid="uid://db7c7w4apwti7" path="res://textures/hob_on.tres" id="6_m7l4u"]
-[ext_resource type="Script" uid="uid://bu0g23cfrqy0m" path="res://stations/station_movement.gd" id="7_akjp4"]
-[ext_resource type="Script" uid="uid://bfrlpbsqg5lqr" path="res://addons/godot-xr-tools/objects/pickable.gd" id="7_d4kl5"]
-[ext_resource type="PackedScene" uid="uid://c25yxb0vt53vc" path="res://addons/godot-xr-tools/objects/grab_points/grab_point_hand_left.tscn" id="8_w3ous"]
-[ext_resource type="Animation" uid="uid://db62hs5s4n2b3" path="res://addons/godot-xr-tools/hands/animations/left/Grip 4.res" id="9_rdqhn"]
-[ext_resource type="Script" uid="uid://dvobm6vcfnqe8" path="res://addons/godot-xr-tools/hands/poses/hand_pose_settings.gd" id="10_hyphg"]
-[ext_resource type="PackedScene" uid="uid://ctw7nbntd5pcj" path="res://addons/godot-xr-tools/objects/grab_points/grab_point_hand_right.tscn" id="11_sexl6"]
-[ext_resource type="Animation" uid="uid://d1xnpyc08njjx" path="res://addons/godot-xr-tools/hands/animations/right/Grip 4.res" id="12_0t4ed"]
-[ext_resource type="Script" uid="uid://bwd0pe2udb5xo" path="res://Net/net_pickable.gd" id="15_trny8"]
-
-[sub_resource type="BoxShape3D" id="BoxShape3D_m1xbq"]
-size = Vector3(0.1, 0.1, 0.1)
-
-[sub_resource type="StandardMaterial3D" id="StandardMaterial3D_24d3s"]
-albedo_color = Color(0.1764706, 1, 1, 1)
-
-[sub_resource type="BoxMesh" id="BoxMesh_vlqg6"]
-material = SubResource("StandardMaterial3D_24d3s")
-size = Vector3(0.1, 0.1, 0.1)
-
-[sub_resource type="Resource" id="Resource_lc22d"]
-script = ExtResource("10_hyphg")
-closed_pose = ExtResource("9_rdqhn")
-metadata/_custom_type_script = "uid://dvobm6vcfnqe8"
-
-[sub_resource type="Resource" id="Resource_qyiot"]
-script = ExtResource("10_hyphg")
-closed_pose = ExtResource("12_0t4ed")
-metadata/_custom_type_script = "uid://dvobm6vcfnqe8"
-
-[sub_resource type="SceneReplicationConfig" id="SceneReplicationConfig_np_cube"]
-properties/0/path = NodePath(".:position")
-properties/0/spawn = false
-properties/0/replication_mode = 1
-properties/1/path = NodePath(".:quaternion")
-properties/1/spawn = false
-properties/1/replication_mode = 1
-properties/2/path = NodePath("NetPickable:net_held_by")
-properties/2/spawn = true
-properties/2/replication_mode = 1
 
 [sub_resource type="BoxShape3D" id="BoxShape3D_kdxnr"]
 size = Vector3(0.6, 1, 0.6)
@@ -206,36 +168,8 @@ _data = {
 
 [node name="Hob" type="Node3D" unique_id=172418174 groups=["station"]]
 
-[node name="MoveHandle" type="RigidBody3D" parent="." unique_id=1675596942 groups=["platalbe_item"]]
-transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 1.08, 0)
-collision_layer = 4
-collision_mask = 196615
-axis_lock_linear_y = true
-axis_lock_angular_x = true
-axis_lock_angular_z = true
-mass = 0.004
-gravity_scale = 0.5
-linear_damp = 100.0
-script = ExtResource("7_d4kl5")
-release_mode = 1
-
-[node name="CollisionShape3D" type="CollisionShape3D" parent="MoveHandle" unique_id=1023455695]
-shape = SubResource("BoxShape3D_m1xbq")
-
-[node name="MeshInstance3D" type="MeshInstance3D" parent="MoveHandle" unique_id=1223689787]
-mesh = SubResource("BoxMesh_vlqg6")
-
-[node name="GrabPointHandLeft" parent="MoveHandle" unique_id=1571481674 instance=ExtResource("8_w3ous")]
-transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, -0.067650706, 0.04601878, -0.08606844)
-hand_pose = SubResource("Resource_lc22d")
-
-[node name="GrabPointHandRight" parent="MoveHandle" unique_id=514404634 instance=ExtResource("11_sexl6")]
-transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0.06531982, 0.042291984, -0.08604182)
-hand_pose = SubResource("Resource_qyiot")
-
-[node name="NetPickable" type="MultiplayerSynchronizer" parent="MoveHandle" unique_id=1858332513]
-replication_config = SubResource("SceneReplicationConfig_np_cube")
-script = ExtResource("15_trny8")
+[node name="StationMovement" parent="." unique_id=946873975 node_paths=PackedStringArray("station") instance=ExtResource("1_pydjp")]
+station = NodePath("../Hob")
 
 [node name="Hob" type="StaticBody3D" parent="." unique_id=1332123047]
 script = ExtResource("1_7jc4g")
@@ -259,10 +193,13 @@ shape = SubResource("BoxShape3D_7uuqv")
 [node name="AudioStreamPlayer3D" type="AudioStreamPlayer3D" parent="Hob/XRToolsSnapZone" unique_id=1991627595]
 transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, -0.022546828, -0.5270121, 0.36528283)
 
+[node name="ProgressBar3D" parent="Hob" unique_id=654673176 instance=ExtResource("3_7uuqv")]
+transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0.74736404, -0.09216304)
+
 [node name="CSGCombiner3D" type="CSGCombiner3D" parent="Hob" unique_id=70901698]
 
 [node name="CSGBox3D" type="CSGBox3D" parent="Hob/CSGCombiner3D" unique_id=1111505172]
-transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, -0.00894776)
+transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0.00071543455, 3.7252903e-09, -0.008516133)
 size = Vector3(0.6, 1, 0.5821045)
 
 [node name="CSGCylinder3D" type="CSGCylinder3D" parent="Hob/CSGCombiner3D/CSGBox3D" unique_id=1338463939]
@@ -344,9 +281,6 @@ size = Vector3(0.55, 0.096, 0.14)
 root_path = NodePath("../..")
 replication_config = SubResource("SceneReplicationConfig_np_hob")
 
-[node name="ProgressBar3D" parent="Hob" unique_id=654673176 instance=ExtResource("3_7uuqv")]
-transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0.74736404, -0.09216304)
-
 [node name="AnimationPlayer" type="AnimationPlayer" parent="Hob" unique_id=1525460719]
 root_node = NodePath("../..")
 libraries/ = SubResource("AnimationLibrary_ac5f3")
@@ -356,8 +290,3 @@ transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0.5053487, 0)
 light_color = Color(1, 0.13725491, 0, 1)
 light_energy = 0.0
 omni_range = 0.5
-
-[node name="Movement" type="Node" parent="Hob" unique_id=1004484356 node_paths=PackedStringArray("move_handle", "station")]
-script = ExtResource("7_akjp4")
-move_handle = NodePath("../../MoveHandle")
-station = NodePath("..")

Stations/StationMovement.tscn

@@ -0,0 +1,115 @@
+[gd_scene format=3 uid="uid://cvucwxibtol5f"]
+
+[ext_resource type="Script" uid="uid://bu0g23cfrqy0m" path="res://stations/station_movement.gd" id="1_ldy6a"]
+[ext_resource type="Script" uid="uid://bfrlpbsqg5lqr" path="res://addons/godot-xr-tools/objects/pickable.gd" id="2_tbkb3"]
+[ext_resource type="PackedScene" uid="uid://c25yxb0vt53vc" path="res://addons/godot-xr-tools/objects/grab_points/grab_point_hand_left.tscn" id="3_36r14"]
+[ext_resource type="Animation" uid="uid://db62hs5s4n2b3" path="res://addons/godot-xr-tools/hands/animations/left/Grip 4.res" id="4_dy2gh"]
+[ext_resource type="Script" uid="uid://dvobm6vcfnqe8" path="res://addons/godot-xr-tools/hands/poses/hand_pose_settings.gd" id="5_2muex"]
+[ext_resource type="PackedScene" uid="uid://ctw7nbntd5pcj" path="res://addons/godot-xr-tools/objects/grab_points/grab_point_hand_right.tscn" id="6_372qd"]
+[ext_resource type="Animation" uid="uid://d1xnpyc08njjx" path="res://addons/godot-xr-tools/hands/animations/right/Grip 4.res" id="7_uxgrt"]
+[ext_resource type="Script" uid="uid://bwd0pe2udb5xo" path="res://Net/net_pickable.gd" id="8_7mccn"]
+
+[sub_resource type="BoxShape3D" id="BoxShape3D_m1xbq"]
+size = Vector3(0.1, 0.1, 0.1)
+
+[sub_resource type="StandardMaterial3D" id="StandardMaterial3D_24d3s"]
+albedo_color = Color(0.1764706, 1, 1, 1)
+
+[sub_resource type="BoxMesh" id="BoxMesh_vlqg6"]
+material = SubResource("StandardMaterial3D_24d3s")
+size = Vector3(0.1, 0.1, 0.1)
+
+[sub_resource type="Resource" id="Resource_lc22d"]
+script = ExtResource("5_2muex")
+closed_pose = ExtResource("4_dy2gh")
+metadata/_custom_type_script = "uid://dvobm6vcfnqe8"
+
+[sub_resource type="Resource" id="Resource_qyiot"]
+script = ExtResource("5_2muex")
+closed_pose = ExtResource("7_uxgrt")
+metadata/_custom_type_script = "uid://dvobm6vcfnqe8"
+
+[sub_resource type="SceneReplicationConfig" id="SceneReplicationConfig_np_cube"]
+properties/0/path = NodePath(".:position")
+properties/0/spawn = false
+properties/0/replication_mode = 1
+properties/1/path = NodePath(".:quaternion")
+properties/1/spawn = false
+properties/1/replication_mode = 1
+properties/2/path = NodePath("NetPickable:net_held_by")
+properties/2/spawn = true
+properties/2/replication_mode = 1
+
+[sub_resource type="BoxShape3D" id="BoxShape3D_vlqg6"]
+size = Vector3(0.5, 1, 0.5)
+
+[sub_resource type="StandardMaterial3D" id="StandardMaterial3D_vlqg6"]
+transparency = 1
+albedo_color = Color(1, 0.78999996, 0.39999998, 0.4627451)
+
+[node name="StationMovement" type="Node3D" unique_id=946873975 node_paths=PackedStringArray("move_handle", "move_ghost")]
+script = ExtResource("1_ldy6a")
+move_handle = NodePath("MoveHandle")
+move_ghost = NodePath("MoveGhost")
+
+[node name="MoveHandle" type="RigidBody3D" parent="." unique_id=954108203 groups=["platalbe_item"]]
+transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 1.08, 0)
+collision_layer = 4
+collision_mask = 196615
+axis_lock_linear_y = true
+axis_lock_angular_x = true
+axis_lock_angular_z = true
+mass = 0.004
+gravity_scale = 0.5
+linear_damp = 100.0
+script = ExtResource("2_tbkb3")
+release_mode = 1
+
+[node name="CollisionShape3D" type="CollisionShape3D" parent="MoveHandle" unique_id=1692047616]
+shape = SubResource("BoxShape3D_m1xbq")
+
+[node name="MeshInstance3D" type="MeshInstance3D" parent="MoveHandle" unique_id=1134464542]
+mesh = SubResource("BoxMesh_vlqg6")
+
+[node name="GrabPointHandLeft" parent="MoveHandle" unique_id=358095191 instance=ExtResource("3_36r14")]
+transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, -0.067650706, 0.04601878, -0.08606844)
+hand_pose = SubResource("Resource_lc22d")
+
+[node name="GrabPointHandRight" parent="MoveHandle" unique_id=694601824 instance=ExtResource("6_372qd")]
+transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0.06531982, 0.042291984, -0.08604182)
+hand_pose = SubResource("Resource_qyiot")
+
+[node name="NetPickable" type="MultiplayerSynchronizer" parent="MoveHandle" unique_id=404907673]
+replication_config = SubResource("SceneReplicationConfig_np_cube")
+script = ExtResource("8_7mccn")
+
+[node name="MoveGhost" type="Area3D" parent="." unique_id=1305344236]
+visible = false
+collision_layer = 0
+collision_mask = 524295
+
+[node name="CollisionShape3D" type="CollisionShape3D" parent="MoveGhost" unique_id=2074041383]
+shape = SubResource("BoxShape3D_vlqg6")
+
+[node name="CSGCombiner3D" type="CSGCombiner3D" parent="MoveGhost" unique_id=283929246]
+collision_layer = 0
+collision_mask = 524291
+
+[node name="CSGBox3D" type="CSGBox3D" parent="MoveGhost/CSGCombiner3D" unique_id=1786907045]
+size = Vector3(0.6, 1, 0.6)
+material = SubResource("StandardMaterial3D_vlqg6")
+
+[node name="CSGBox3D2" type="CSGBox3D" parent="MoveGhost/CSGCombiner3D" unique_id=684823657]
+transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0.5642835, 0)
+size = Vector3(0.03, 0.03, 0.3)
+material = SubResource("StandardMaterial3D_vlqg6")
+
+[node name="CSGBox3D2" type="CSGBox3D" parent="MoveGhost/CSGCombiner3D/CSGBox3D2" unique_id=286640707]
+transform = Transform3D(0.70451534, 0, -0.7096888, 0, 1, 0, 0.7096888, 0, 0.70451534, -0.046803005, 0, -0.096979)
+size = Vector3(0.03, 0.03, 0.12021485)
+material = SubResource("StandardMaterial3D_vlqg6")
+
+[node name="CSGBox3D3" type="CSGBox3D" parent="MoveGhost/CSGCombiner3D/CSGBox3D2" unique_id=1791902851]
+transform = Transform3D(0.7073421, 0, 0.7068714, 0, 1, 0, -0.7068714, 0, 0.7073421, 0.04550519, 0, -0.096264325)
+size = Vector3(0.03, 0.03, 0.12021485)
+material = SubResource("StandardMaterial3D_vlqg6")

Stations/hatch.tscn

@@ -18,7 +18,7 @@ albedo_color = Color(0.38, 0.35162666, 0.3268, 1)
 [sub_resource type="BoxShape3D" id="BoxShape3D_vlqg6"]
 size = Vector3(0.6, 0.34027833, 0.6)
 
-[node name="Hatch" type="StaticBody3D" unique_id=1341321603]
+[node name="Hatch" type="StaticBody3D" unique_id=1341321603 groups=["persistent_inventory"]]
 
 [node name="XRToolsSnapZone" type="Area3D" parent="." unique_id=2093161322 groups=["station"]]
 transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 1.2495586, 0)

Stations/station_movement.gd

@@ -3,43 +3,148 @@ extends Node
 @export var snap_grid_size: float = 0.6
 
 @export var move_handle: XRToolsPickable
+@export var move_ghost: Area3D
 @export var station: StaticBody3D
 
 var move_handle_rigid: RigidBody3D
-var original_collision_layer
-var original_y_pos: float
+var original_collision_layer: int = 0
+var original_y_pos: float = 0.0
+var original_station_transform: Transform3D = Transform3D.IDENTITY
+var moving: bool = false
+var ghost_materials: Array[StandardMaterial3D] = []
 
-# TODO: Reject placing station in occupied spot.
-# TODO: Make ghost version of station that is displayed instead of model.
-# TODO: public toggle to disable handle in build mode.
-# TODO: If game exits build mode, drop the handle before  disabling it.
+const GHOST_COLOR_VALID: Color = Color(0, 1, 0, 0.35)
+const GHOST_COLOR_INVALID: Color = Color(1, 0, 0, 0.35)
+
+
+func set_move_handle_enabled(enabled: bool) -> void:
+	move_handle.visible = enabled
+	move_handle.enabled = enabled
+	if enabled:
+		move_handle.drop()
+
+
+func _on_game_state_changed(new_state: GameManager.GameState) -> void:
+	set_move_handle_enabled(new_state == GameManager.GameState.BUILDING)
 
 
 func _ready() -> void:
 	if not station:
 		push_error("StationMovement is missing referece to station")
-		
+	if not move_handle:
+		push_error("StationMovement is missing reference to move_handle")
+	if not move_ghost:
+		push_error("StationMovement is missing reference to move_ghost")
+
 	move_handle_rigid = move_handle as RigidBody3D
 	original_collision_layer = station.collision_layer
 	original_y_pos = move_handle.transform.origin.y
+	original_station_transform = station.global_transform
 	move_handle.picked_up.connect(_handle_pickup)
 	move_handle.dropped.connect(_handle_drop)
 
+	move_ghost.monitoring = true
+	move_ghost.visible = false
+	_cache_ghost_materials()
+	_set_ghost_color(GHOST_COLOR_VALID)
+	set_move_handle_enabled(false)
+	Signals.game_state_changed.connect(_on_game_state_changed)
 
-func _handle_pickup(_by):
+
+func _cache_ghost_materials() -> void:
+	var combiner = move_ghost.get_node_or_null("CSGCombiner3D")
+	if not combiner:
+		return
+	_collect_ghost_materials(combiner)
+
+
+func _collect_ghost_materials(node: Node) -> void:
+	if node is CSGCombiner3D:
+		# Combiner nodes do not expose a material property to modify.
+		for child in node.get_children():
+			_collect_ghost_materials(child)
+		return
+
+	if node is CSGShape3D:
+		var material = node.material
+		if material and material is StandardMaterial3D:
+			var instance = material.duplicate() as StandardMaterial3D
+			instance.transparency = material.transparency
+			instance.albedo_color = material.albedo_color
+			node.material = instance
+			ghost_materials.append(instance)
+
+	for child in node.get_children():
+		_collect_ghost_materials(child)
+
+
+func _set_ghost_color(color: Color) -> void:
+	for material in ghost_materials:
+		material.albedo_color = color
+
+
+func _handle_pickup(_by: Node) -> void:
 	print("StationMovement handle pickup")
-	station.collision_layer = 0	
+	if move_handle.get_picked_up_by() is XRToolsSnapZone:
+		print("StationMovement handle pickup by snap zone, dropping and resetting position")
+		move_handle.drop()
+		move_handle.global_position = station.global_position + Vector3(0, original_y_pos, 0)
+		move_handle.rotation = station.rotation
+		return
 		
-		
-func _handle_drop(_by):
+	moving = true
+	move_ghost.visible = true
+	station.visible = false
+	station.collision_layer = 0
+	original_station_transform = station.global_transform
+	move_ghost.global_transform = original_station_transform
+
+
+func _handle_drop(_by: Node) -> void:
 	print("StationMovement handle drop")
+	moving = false
+	move_ghost.visible = false
+	station.visible = true
 	station.collision_layer = original_collision_layer
+	if _is_move_position_valid():
+		station.global_transform = move_ghost.global_transform
+	else:
+		station.global_transform = original_station_transform
 	move_handle.global_position = station.global_position + Vector3(0, original_y_pos, 0)
 	move_handle.rotation = station.rotation
 
 
 func _process(_delta: float) -> void:
-	station.global_position.x = snappedf(move_handle.global_position.x, snap_grid_size)
-	station.global_position.z = snappedf(move_handle.global_position.z, snap_grid_size)
-	station.global_rotation_degrees.y = snappedf(move_handle.global_rotation_degrees.y, 90)
-	
+	if not moving:
+		return
+
+	var target_transform: Transform3D = move_handle.global_transform
+	target_transform.origin.x = snappedf(target_transform.origin.x, snap_grid_size)
+	target_transform.origin.z = snappedf(target_transform.origin.z, snap_grid_size)
+	target_transform.origin.y = original_station_transform.origin.y
+	var target_yaw: float = snappedf(move_handle.global_rotation_degrees.y, 90)
+	target_transform.basis = Basis(Vector3.UP, deg_to_rad(target_yaw))
+
+	move_ghost.global_transform = target_transform
+	if _is_move_position_valid():
+		_set_ghost_color(GHOST_COLOR_VALID)
+	else:
+		_set_ghost_color(GHOST_COLOR_INVALID)
+
+
+func _is_move_position_valid() -> bool:
+	for body in move_ghost.get_overlapping_bodies():
+		print("Overlapping body: ", body)
+		if body == move_handle:
+			continue
+		if body == station:
+			continue
+		return false
+
+	for area in move_ghost.get_overlapping_areas():
+		print("Overlapping area: ", area)
+		if area == move_ghost:
+			continue
+		return false
+
+	return true

global/GameManager.gd

@@ -7,9 +7,15 @@ static var sides_in_play: Array[String]
 
 enum GameState {
 	RUNNING,
-	GAME_OVER
+	GAME_OVER,
+	BUILDING
 }
-static var game_state: GameState = GameState.RUNNING
+static var game_state: GameState = GameState.RUNNING: set = _set_game_state
+
+
+static func _set_game_state(value: GameState):
+	game_state = value
+	Signals.game_state_changed.emit(value)
 
 
 static func _restart():
@@ -40,6 +46,3 @@ static  func game_over():
 	print("Game Over")
 	game_state = GameState.GAME_OVER
 	Signals.game_over.emit()
-	
-	
-	

global/Signals.gd

@@ -2,3 +2,4 @@ extends Node
 
 signal game_over
 signal restart_game
+signal game_state_changed(new_state: GameManager.GameState)

global/global_key_events.gd

@@ -5,6 +5,10 @@ func _unhandled_input(event: InputEvent) -> void:
 		get_tree().quit()
 	if event.is_action_pressed("satisfy_table_orders"):
 		satisfy_table_orders()
+	if event.is_action_pressed("set_building_mode"):
+		set_buidling_mode()
+	if event.is_action_pressed("set_running_mode"):
+		set_running_mode()
 
 
 # Finds any node of class/type Table and calls satisfyAllOrders()
@@ -17,4 +21,11 @@ func satisfy_table_orders() -> void:
 			node.satisfyAllOrders()
 			
 			
-			
+func set_buidling_mode():
+	print("Global key event: Setting building mode")
+	GameManager.game_state = GameManager.GameState.BUILDING
+
+
+func set_running_mode():
+	print("Global key event: Setting running mode")
+	GameManager.game_state = GameManager.GameState.RUNNING

project.godot

@@ -48,6 +48,7 @@ platalbe_item="Meals, sides, augments for meals"
 station="Hobs, Counters ..."
 table="all nodes with table script"
 chopping_tool="A pickable body that chops"
+persistent_inventory="A station that keeps it's held items in build mode"
 
 [input]
 
@@ -61,6 +62,16 @@ satisfy_table_orders={
 "events": [Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":-1,"window_id":0,"alt_pressed":false,"shift_pressed":false,"ctrl_pressed":false,"meta_pressed":false,"pressed":false,"keycode":0,"physical_keycode":4194309,"key_label":0,"unicode":0,"location":0,"echo":false,"script":null)
 ]
 }
+set_building_mode={
+"deadzone": 0.2,
+"events": [Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":-1,"window_id":0,"alt_pressed":false,"shift_pressed":false,"ctrl_pressed":false,"meta_pressed":false,"pressed":false,"keycode":0,"physical_keycode":46,"key_label":0,"unicode":46,"location":0,"echo":false,"script":null)
+]
+}
+set_running_mode={
+"deadzone": 0.2,
+"events": [Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":-1,"window_id":0,"alt_pressed":false,"shift_pressed":false,"ctrl_pressed":false,"meta_pressed":false,"pressed":false,"keycode":0,"physical_keycode":44,"key_label":0,"unicode":44,"location":0,"echo":false,"script":null)
+]
+}
 
 [layer_names]
 

recipes.yaml.uid

@@ -0,0 +1 @@
+uid://be8o8m6xpp3kc