Adding simple dialog system

Reviewed-on: #7

README.md

@@ -12,3 +12,10 @@
 - `test1/test1` - Super User
 - `test3/test3` - User
 
+## Controls
+- Move: WASD
+- Jump: Space
+- Interact (enter/exit car): E
+- Flashlight: F
+- Phone: Tab
+- Pause menu: Esc

game/project.godot

@@ -25,6 +25,8 @@ MenuMusic="*res://scenes/UI/menu_music.tscn"
 MenuSfx="*res://scenes/UI/menu_sfx.tscn"
 AuthState="*res://scenes/UI/auth_state.gd"
 CharacterService="*res://scenes/UI/character_service.gd"
+SelectedCharacter="*res://scenes/UI/selected_character.gd"
+DialogSystem="*res://scenes/UI/dialog_system.gd"
 
 [dotnet]
 
@@ -74,3 +76,8 @@ player_phone={
 "events": [Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":0,"window_id":0,"alt_pressed":false,"shift_pressed":false,"ctrl_pressed":false,"meta_pressed":false,"pressed":false,"keycode":4194306,"physical_keycode":0,"key_label":0,"unicode":0,"location":0,"echo":false,"script":null)
 ]
 }
+interact={
+"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":69,"key_label":0,"unicode":101,"location":0,"echo":false,"script":null)
+]
+}

game/scenes/Characters/repo_bot.gd

@@ -5,6 +5,7 @@ extends Node3D
 @export var camera_path: NodePath
 @export var look_origin_path: NodePath = NodePath("Body/HeadPivot")
 @export var look_reference_path: NodePath = NodePath("Body")
+@export var look_target_path: NodePath = NodePath("")
 @export var lock_vertical: bool = true
 @export var vertical_unlock_height: float = 0.6
 @export var vertical_lock_smooth_speed: float = 6.0
@@ -29,6 +30,7 @@ var _head_base_rot: Vector3
 var _vertical_lock_factor: float = 1.0
 var _vertical_hold_timer: float = 0.0
 var _look_reference: Node3D
+var _look_target: Node3D
 
 
 func _ready() -> void:
@@ -41,6 +43,7 @@ func _ready() -> void:
 	_camera = _resolve_camera()
 	_look_origin = get_node_or_null(look_origin_path) as Node3D
 	_look_reference = get_node_or_null(look_reference_path) as Node3D
+	_look_target = get_node_or_null(look_target_path) as Node3D
 	_head = get_node_or_null(head_path) as Node3D
 	if _head:
 		_head_base_rot = _head.rotation
@@ -55,14 +58,20 @@ func _process(_delta: float) -> void:
 
 
 func _update_pupils() -> void:
-	if _camera == null or not _camera.is_inside_tree():
+	if _look_target == null and look_target_path != NodePath(""):
+		_look_target = get_node_or_null(look_target_path) as Node3D
+	if _look_target == null:
+		var viewport_cam := get_viewport().get_camera_3d()
+		if viewport_cam != null and viewport_cam != _camera:
+			_camera = viewport_cam
+		elif _camera == null or not _camera.is_inside_tree():
 			_camera = _resolve_camera()
-	if _camera == null:
+	if _look_target == null and _camera == null:
 		return
 	var origin := _look_origin
 	if origin == null:
 		origin = self
-	var target := _camera.global_position
+	var target := _look_target.global_position if _look_target != null else _camera.global_position
 	var dir_world := target - origin.global_position
 	if dir_world.length_squared() <= 0.0001:
 		return

game/scenes/Characters/repo_bot.tscn

@@ -1,6 +1,7 @@
 [gd_scene load_steps=14 format=3]
 
 [ext_resource type="Script" path="res://scenes/Characters/repo_bot.gd" id="1_repo_bot"]
+[ext_resource type="Script" path="res://scenes/Interaction/dialog_trigger_area.gd" id="2_dialog"]
 
 [sub_resource type="StandardMaterial3D" id="StandardMaterial3D_body"]
 albedo_color = Color(0.78, 0.8, 0.82, 1)
@@ -54,10 +55,18 @@ material = SubResource("StandardMaterial3D_accent")
 radius = 0.3
 height = 1.1
 
+[sub_resource type="SphereShape3D" id="SphereShape3D_interact"]
+radius = 1.7
+
 [node name="RepoBot" type="Node3D"]
 script = ExtResource("1_repo_bot")
 
-[node name="Body" type="StaticBody3D" parent="."]
+[node name="Body" type="RigidBody3D" parent="."]
+mass = 1.5
+axis_lock_angular_x = true
+axis_lock_angular_z = true
+angular_damp = 8.0
+linear_damp = 0.5
 
 [node name="CollisionShape3D" type="CollisionShape3D" parent="Body"]
 transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0.55, 0)
@@ -109,3 +118,14 @@ mesh = SubResource("CylinderMesh_limb")
 [node name="Backpack" type="MeshInstance3D" parent="Body"]
 transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0.6, 0.22)
 mesh = SubResource("BoxMesh_pack")
+
+[node name="InteractArea" type="Area3D" parent="."]
+transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0.8, 0)
+script = ExtResource("2_dialog")
+collision_layer = 2
+collision_mask = 1
+prompt_text = "Press E to talk"
+dialog_text = "Repo Bot: Welcome to Promiscuity.\n\nPress E again to close this dialog."
+
+[node name="CollisionShape3D" type="CollisionShape3D" parent="InteractArea"]
+shape = SubResource("SphereShape3D_interact")

game/scenes/Interaction/dialog_trigger_area.gd

@@ -0,0 +1,49 @@
+extends Area3D
+
+@export var target_group: StringName = &"player"
+@export var prompt_text := "Press E to talk"
+@export_multiline var dialog_text := ""
+@export var auto_popup := false
+@export_enum("Every Entry", "Once") var auto_popup_mode := 0
+
+var _has_triggered := false
+
+func _ready() -> void:
+	collision_layer = 2
+	collision_mask = 1
+	body_entered.connect(_on_body_entered)
+	body_exited.connect(_on_body_exited)
+
+
+func _exit_tree() -> void:
+	if not auto_popup and DialogSystem:
+		DialogSystem.unregister_interactable(self)
+
+
+func _on_body_entered(body: Node) -> void:
+	if not (target_group == StringName() or body.is_in_group(target_group)):
+		return
+	if auto_popup:
+		if auto_popup_mode == 1 and _has_triggered:
+			return
+		_has_triggered = true
+		if DialogSystem and DialogSystem.has_method("show_text"):
+			DialogSystem.show_text(dialog_text)
+		return
+	if DialogSystem:
+		DialogSystem.register_interactable(self)
+
+
+func _on_body_exited(body: Node) -> void:
+	if auto_popup:
+		return
+	if target_group == StringName() or body.is_in_group(target_group):
+		DialogSystem.unregister_interactable(self)
+
+
+func get_dialog_prompt() -> String:
+	return prompt_text
+
+
+func get_dialog_text() -> String:
+	return dialog_text

game/scenes/Interaction/dialog_trigger_area.gd.uid

@@ -0,0 +1 @@
+uid://bk53njt7i3kmv

game/scenes/Levels/level.gd

@@ -2,12 +2,24 @@ extends Node3D
 
 @export var day_length := 120.0 # seconds for full rotation
 @export var start_light_angle := -90.0
+@export var show_spawn_dialog := true
+@export_multiline var spawn_dialog_text := "Welcome to Promiscuity.\n\nPress E to close this message."
+@export var spawn_dialog_auto_close_seconds := 4.0
 var end_light_angle = start_light_angle + 360.0
 var start_radians = start_light_angle * PI / 180
 var time := 0.0
 
 @onready var sun := $DirectionalLight3D
 
+func _ready() -> void:
+	if show_spawn_dialog and DialogSystem and DialogSystem.has_method("show_text"):
+		await get_tree().process_frame
+		DialogSystem.show_text(spawn_dialog_text)
+		if spawn_dialog_auto_close_seconds > 0.0:
+			await get_tree().create_timer(spawn_dialog_auto_close_seconds).timeout
+			if DialogSystem and DialogSystem.has_method("close_if_text"):
+				DialogSystem.close_if_text(spawn_dialog_text)
+
 func _process(delta):
 	time = fmod((time + delta), day_length)
 	var t = time / day_length

game/scenes/Levels/level.tscn

@@ -1,4 +1,4 @@
-[gd_scene load_steps=18 format=3 uid="uid://dchj6g2i8ebph"]
+[gd_scene load_steps=23 format=3 uid="uid://dchj6g2i8ebph"]
 
 [ext_resource type="Script" uid="uid://brgmxhhhtakja" path="res://scenes/Levels/level.gd" id="1_a4mo8"]
 [ext_resource type="PackedScene" uid="uid://bb6hj6l23043x" path="res://assets/models/human.blend" id="1_eg4yq"]
@@ -6,7 +6,9 @@
 [ext_resource type="PackedScene" uid="uid://c5of6aaxop1hl" path="res://scenes/block.tscn" id="2_tc7dm"]
 [ext_resource type="Script" uid="uid://b7fopt7sx74g8" path="res://scenes/Levels/menu.gd" id="3_tc7dm"]
 [ext_resource type="PackedScene" path="res://scenes/Characters/repo_bot.tscn" id="4_repo"]
+[ext_resource type="PackedScene" path="res://scenes/Vehicles/car.tscn" id="5_car"]
 [ext_resource type="PackedScene" uid="uid://bnqaqbgynoyys" path="res://assets/models/TestCharAnimated.glb" id="5_fi66n"]
+[ext_resource type="Script" uid="uid://bk53njt7i3kmv" path="res://scenes/Interaction/dialog_trigger_area.gd" id="6_dialog"]
 
 [sub_resource type="PhysicsMaterial" id="PhysicsMaterial_2q6dc"]
 bounce = 0.5
@@ -20,6 +22,20 @@ bounce = 0.5
 
 [sub_resource type="SphereShape3D" id="SphereShape3D_mx8sn"]
 
+[sub_resource type="SphereShape3D" id="SphereShape3D_dialog_zone"]
+radius = 2.5
+
+[sub_resource type="StandardMaterial3D" id="StandardMaterial3D_dialog_zone"]
+transparency = 1
+cull_mode = 2
+shading_mode = 0
+albedo_color = Color(0.2, 0.8, 0.35, 0.18)
+
+[sub_resource type="SphereMesh" id="SphereMesh_dialog_zone"]
+material = SubResource("StandardMaterial3D_dialog_zone")
+radius = 2.5
+height = 5.0
+
 [sub_resource type="BoxShape3D" id="BoxShape3D_2q6dc"]
 size = Vector3(1080, 2, 1080)
 
@@ -43,6 +59,7 @@ script = ExtResource("1_a4mo8")
 
 [node name="RepoBot" parent="." instance=ExtResource("4_repo")]
 transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, -0.9426608, 0, -4.4451966)
+look_target_path = NodePath("../Player")
 
 [node name="Thing" type="RigidBody3D" parent="."]
 transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, -3.7986288)
@@ -60,6 +77,7 @@ transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 1, 0)
 mesh = SubResource("SphereMesh_w7c3h")
 
 [node name="Player" type="RigidBody3D" parent="."]
+transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, -2.6563287, 0, 0)
 physics_material_override = SubResource("PhysicsMaterial_w8frs")
 script = ExtResource("1_muv8p")
 camera_path = NodePath("Camera3D")
@@ -69,27 +87,27 @@ phone_path = NodePath("../PhoneUI")
 transform = Transform3D(-0.9998549, 0, 0.01703362, 0, 1, 0, -0.01703362, 0, -0.9998549, 0, 0, 0)
 
 [node name="Skeleton3D" parent="Player/TestCharAnimated/Armature" index="0"]
-bones/0/position = Vector3(0.0026170756, -0.0012418391, -0.98996276)
+bones/0/position = Vector3(0.002616825, -0.0012634661, -0.98995954)
-bones/0/rotation = Quaternion(-0.7278173, -0.05346041, 0.012412205, 0.6835714)
+bones/0/rotation = Quaternion(-0.7278332, -0.05342924, 0.012382713, 0.6835575)
 bones/1/position = Vector3(8.593209e-06, 0.09923458, -0.012273359)
-bones/1/rotation = Quaternion(-0.031655744, 0.011362745, 0.022744056, 0.9991754)
+bones/1/rotation = Quaternion(-0.03163086, 0.011397719, 0.022761386, 0.9991754)
 bones/2/position = Vector3(-2.2989244e-10, 0.117319785, 2.9730852e-08)
-bones/2/rotation = Quaternion(0.010291794, 0.001169461, 0.013815534, 0.9998509)
+bones/2/rotation = Quaternion(0.0102874795, 0.0011603195, 0.013812066, 0.99985105)
 bones/3/position = Vector3(-2.3358266e-09, 0.13458829, -1.382244e-08)
-bones/3/rotation = Quaternion(0.067557335, 0.0021622085, 0.013776206, 0.99761796)
+bones/3/rotation = Quaternion(0.06755522, 0.0021543663, 0.013774819, 0.99761814)
 bones/4/position = Vector3(2.508626e-07, 0.15027755, 0.008779066)
-bones/4/rotation = Quaternion(0.051882792, -0.00090027065, 0.0039363643, 0.998645)
+bones/4/rotation = Quaternion(0.051899955, -0.00089839776, 0.0039267424, 0.9986442)
 bones/5/position = Vector3(2.152588e-08, 0.103218146, 0.03142428)
-bones/5/rotation = Quaternion(-0.06595954, 0.011917545, -0.0014885183, 0.99775004)
+bones/5/rotation = Quaternion(-0.06595736, 0.011938445, -0.0014933152, 0.9977499)
 bones/6/position = Vector3(1.5477327e-06, 0.18474667, 0.06636399)
 bones/7/position = Vector3(0.061058242, 0.09106279, 0.0075706206)
-bones/7/rotation = Quaternion(-0.5982132, -0.43452233, 0.50765175, -0.4422909)
+bones/7/rotation = Quaternion(-0.598225, -0.43451372, 0.5076822, -0.44224826)
 bones/8/position = Vector3(1.1842036e-08, 0.12922287, 5.2578955e-08)
-bones/8/rotation = Quaternion(0.5434686, 0.18407291, 0.20301422, 0.7934383)
+bones/8/rotation = Quaternion(0.543452, 0.18399428, 0.20302251, 0.79346573)
 bones/9/position = Vector3(1.5054144e-07, 0.2740467, 2.2048344e-08)
-bones/9/rotation = Quaternion(-5.192343e-09, -1.1239315e-06, 0.01273731, 0.99991894)
+bones/9/rotation = Quaternion(-5.2907154e-09, -1.1239725e-06, 0.012734968, 0.999919)
 bones/10/position = Vector3(1.9432857e-08, 0.27614468, 9.6609995e-08)
-bones/10/rotation = Quaternion(0.048323337, -0.28487536, 0.026756868, 0.9569718)
+bones/10/rotation = Quaternion(0.04830448, -0.2848921, 0.026799988, 0.9569665)
 bones/11/position = Vector3(-0.030029751, 0.037888147, 0.021671427)
 bones/11/rotation = Quaternion(0.2098604, -0.059559863, 0.20750383, 0.9536002)
 bones/12/position = Vector3(-3.3527822e-08, 0.0474497, -1.48403245e-08)
@@ -126,13 +144,13 @@ bones/29/position = Vector3(1.195453e-08, 0.02594832, 1.5542597e-08)
 bones/29/rotation = Quaternion(0.14350323, 3.322942e-05, -0.014478063, 0.98954403)
 bones/30/position = Vector3(-2.4944999e-08, 0.029238665, 6.2325825e-08)
 bones/31/position = Vector3(-0.06105696, 0.09106397, 0.007570758)
-bones/31/rotation = Quaternion(0.60009927, -0.4346891, 0.52418536, 0.4197095)
+bones/31/rotation = Quaternion(0.60012215, -0.43466684, 0.5242142, 0.41966385)
 bones/32/position = Vector3(2.116817e-08, 0.12922288, 7.016769e-08)
-bones/32/rotation = Quaternion(0.46432823, -0.26300937, -0.23269261, 0.813068)
+bones/32/rotation = Quaternion(0.46436408, -0.26298717, -0.23268588, 0.8130566)
 bones/33/position = Vector3(-2.350565e-08, 0.27404687, 1.5161348e-08)
-bones/33/rotation = Quaternion(7.667138e-08, -5.0620065e-06, -0.058376648, 0.99829465)
+bones/33/rotation = Quaternion(7.69042e-08, -5.0622584e-06, -0.058380682, 0.9982944)
 bones/34/position = Vector3(1.3629875e-07, 0.27614468, -9.158248e-09)
-bones/34/rotation = Quaternion(0.059040155, 0.17509013, -0.005968382, 0.9827626)
+bones/34/rotation = Quaternion(0.059025347, 0.17513894, -0.005969527, 0.9827547)
 bones/35/position = Vector3(0.030029776, 0.03788806, 0.021671649)
 bones/35/rotation = Quaternion(0.21378386, 0.065372065, -0.22564878, 0.94821185)
 bones/36/position = Vector3(-2.7939748e-09, 0.04744962, -1.7240383e-08)
@@ -169,25 +187,26 @@ bones/53/position = Vector3(1.4340932e-08, 0.025948457, 3.3946527e-08)
 bones/53/rotation = Quaternion(0.14377311, 5.8452275e-07, 0.011701506, 0.98954153)
 bones/54/position = Vector3(4.750415e-09, 0.029238641, -1.2388978e-09)
 bones/55/position = Vector3(0.09123873, -0.06657194, -0.0005540352)
-bones/55/rotation = Quaternion(0.13601132, 0.07838244, 0.9844897, -0.07834015)
+bones/55/rotation = Quaternion(0.136, 0.07837879, 0.98449296, -0.07832257)
 bones/56/position = Vector3(-1.3288446e-09, 0.40599436, 1.0443015e-08)
-bones/56/rotation = Quaternion(-0.13252214, -0.014519276, 0.03215593, 0.99055195)
+bones/56/rotation = Quaternion(-0.1325433, -0.014470397, 0.03215335, 0.9905499)
 bones/57/position = Vector3(5.707578e-09, 0.42099008, -1.5425995e-08)
-bones/57/rotation = Quaternion(0.5344839, -0.021701135, -0.027458949, 0.8444537)
+bones/57/rotation = Quaternion(0.5344709, -0.021695312, -0.027452054, 0.8444624)
 bones/58/position = Vector3(-6.5650525e-09, 0.15721555, -2.6694579e-08)
 bones/58/rotation = Quaternion(0.2693438, -0.032380052, -0.014592491, 0.96238893)
 bones/59/position = Vector3(2.4854705e-08, 0.09999996, -3.1755625e-09)
 bones/60/position = Vector3(-0.091250315, -0.066556, -0.0005535231)
-bones/60/rotation = Quaternion(-0.09026457, -0.016758345, 0.9954146, -0.026857648)
+bones/60/rotation = Quaternion(-0.09026675, -0.016730117, 0.9954149, -0.026855767)
 bones/61/position = Vector3(1.3129254e-08, 0.40599442, 3.8557886e-09)
-bones/61/rotation = Quaternion(-0.07401098, 0.084030755, -0.024547135, 0.99340767)
+bones/61/rotation = Quaternion(-0.07409451, 0.08402694, -0.024555309, 0.9934016)
 bones/62/position = Vector3(-7.3885964e-10, 0.42099023, -5.226429e-09)
-bones/62/rotation = Quaternion(0.56540585, 0.011310213, -0.008501466, 0.8246915)
+bones/62/rotation = Quaternion(0.5654398, 0.01134551, -0.008516049, 0.8246677)
 bones/63/position = Vector3(7.93632e-09, 0.1572156, -2.6982683e-10)
-bones/63/rotation = Quaternion(0.28907102, 0.031904068, 0.014082117, 0.9566723)
+bones/63/rotation = Quaternion(0.2890854, 0.031904142, 0.014081784, 0.9566679)
 bones/64/position = Vector3(7.567915e-10, 0.099999994, -3.2595668e-09)
 
 [node name="CollisionShape3D" type="CollisionShape3D" parent="Player"]
+transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0.5, 0)
 shape = SubResource("SphereShape3D_mx8sn")
 
 [node name="Camera3D" type="Camera3D" parent="Player"]
@@ -197,6 +216,34 @@ fov = 49.0
 
 [node name="SpotLight3D" type="SpotLight3D" parent="Player"]
 
+[node name="Car" parent="." instance=ExtResource("5_car")]
+transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, -6, 0, -3)
+
+[node name="DialogZone" type="Area3D" parent="."]
+transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 2.5, 0, -2.5)
+script = ExtResource("6_dialog")
+prompt_text = "Press E to inspect area"
+dialog_text = "Dialog trigger area"
+
+[node name="CollisionShape3D" type="CollisionShape3D" parent="DialogZone"]
+shape = SubResource("SphereShape3D_dialog_zone")
+
+[node name="Visual" type="MeshInstance3D" parent="DialogZone"]
+mesh = SubResource("SphereMesh_dialog_zone")
+
+[node name="AutoDialogZone" type="Area3D" parent="."]
+transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, -4, 0, -6.5)
+script = ExtResource("6_dialog")
+dialog_text = "Auto dialog trigger"
+auto_popup = true
+
+[node name="CollisionShape3D" type="CollisionShape3D" parent="AutoDialogZone"]
+shape = SubResource("SphereShape3D_dialog_zone")
+
+[node name="Visual" type="MeshInstance3D" parent="AutoDialogZone"]
+transform = Transform3D(0.8, 0, 0, 0, 0.8, 0, 0, 0, 0.8, 0, 0, 0)
+mesh = SubResource("SphereMesh_dialog_zone")
+
 [node name="Ground" type="StaticBody3D" parent="."]
 transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, -1, 0)
 
@@ -204,6 +251,7 @@ transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, -1, 0)
 shape = SubResource("BoxShape3D_2q6dc")
 
 [node name="MeshInstance3D" type="MeshInstance3D" parent="Ground"]
+transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0.00053596497, 0.0075991154, -0.0019865036)
 mesh = SubResource("BoxMesh_w7c3h")
 
 [node name="DirectionalLight3D" type="DirectionalLight3D" parent="."]

game/scenes/Levels/location_level.gd

@@ -0,0 +1,15 @@
+extends Node3D
+
+@export var tile_size := 4.0
+@export var block_height := 1.0
+
+@onready var _block: MeshInstance3D = $TerrainBlock
+@onready var _camera: Camera3D = $Camera3D
+
+func _ready() -> void:
+	var coord := SelectedCharacter.get_coord()
+	var block_pos := Vector3(coord.x * tile_size, block_height * 0.5, coord.y * tile_size)
+	_block.position = block_pos
+	_block.scale = Vector3(tile_size, block_height, tile_size)
+	if _camera:
+		_camera.look_at(block_pos, Vector3.UP)

game/scenes/Levels/location_level.gd.uid

@@ -0,0 +1 @@
+uid://1fico5npv6dy

game/scenes/Levels/location_level.tscn

@@ -0,0 +1,23 @@
+[gd_scene load_steps=4 format=3 uid="uid://b7p7k1i4t0m2l"]
+
+[ext_resource type="Script" path="res://scenes/Levels/location_level.gd" id="1_6y4q1"]
+
+[sub_resource type="StandardMaterial3D" id="StandardMaterial3D_yu2x4"]
+albedo_color = Color(0.2, 0.6, 0.2, 1)
+
+[sub_resource type="BoxMesh" id="BoxMesh_t2a5k"]
+material = SubResource("StandardMaterial3D_yu2x4")
+
+[node name="LocationLevel" type="Node3D"]
+script = ExtResource("1_6y4q1")
+
+[node name="TerrainBlock" type="MeshInstance3D" parent="."]
+mesh = SubResource("BoxMesh_t2a5k")
+
+[node name="DirectionalLight3D" type="DirectionalLight3D" parent="."]
+transform = Transform3D(1, 0, 0, 0, 0.819152, 0.573576, 0, -0.573576, 0.819152, 0, 6, 0)
+shadow_enabled = true
+
+[node name="Camera3D" type="Camera3D" parent="."]
+transform = Transform3D(1, 0, 0, 0, 0.92388, 0.382683, 0, -0.382683, 0.92388, 0, 6, 10)
+current = true

game/scenes/Levels/menu.gd

@@ -17,10 +17,12 @@ func _input(event):
 func pause_game():
 	get_tree().paused = true
 	visible = true
+	Input.set_mouse_mode(Input.MOUSE_MODE_VISIBLE)
 
 func resume_game():
 	get_tree().paused = false
 	visible = false
+	Input.set_mouse_mode(Input.MOUSE_MODE_CAPTURED)
 
 func _on_quit_button_pressed():
 	get_tree().quit()
@@ -30,6 +32,7 @@ func _on_continue_button_pressed():
 
 func _on_main_menu_button_pressed():
 	resume_game()
+	Input.set_mouse_mode(Input.MOUSE_MODE_VISIBLE)
 	get_tree().change_scene_to_file(START_SCREEN_SCENE)
 
 func _register_focus_sounds() -> void:

game/scenes/UI/character_screen.gd

@@ -97,6 +97,21 @@ func _on_delete_button_pressed() -> void:
 	_character_list.remove_item(index)
 	_status_label.text = "Character deleted."
 
+func _on_select_button_pressed() -> void:
+	var selected := _character_list.get_selected_items()
+	if selected.is_empty():
+		_status_label.text = "Select a character first."
+		return
+
+	var index := selected[0]
+	if index < 0 or index >= _characters.size():
+		_status_label.text = "Invalid selection."
+		return
+
+	var character: Dictionary = _characters[index]
+	SelectedCharacter.set_character(character)
+	get_tree().change_scene_to_file("res://scenes/Levels/location_level.tscn")
+
 func _on_refresh_button_pressed() -> void:
 	_load_characters()
 

game/scenes/UI/character_screen.tscn

@@ -92,6 +92,13 @@ layout_mode = 2
 size_flags_horizontal = 4
 theme_override_constants/separation = 10
 
+[node name="SelectButton" type="Button" parent="MarginContainer/ContentCenter/ContentVBox/ActionHBox"]
+layout_mode = 2
+size_flags_horizontal = 4
+theme = ExtResource("4_5b3b7")
+text = "SELECT"
+text_alignment = 1
+
 [node name="RefreshButton" type="Button" parent="MarginContainer/ContentCenter/ContentVBox/ActionHBox"]
 layout_mode = 2
 size_flags_horizontal = 4
@@ -124,6 +131,7 @@ text_alignment = 1
 unique_name_in_owner = true
 
 [connection signal="pressed" from="MarginContainer/ContentCenter/ContentVBox/AddHBox/AddButton" to="." method="_on_add_button_pressed"]
+[connection signal="pressed" from="MarginContainer/ContentCenter/ContentVBox/ActionHBox/SelectButton" to="." method="_on_select_button_pressed"]
 [connection signal="pressed" from="MarginContainer/ContentCenter/ContentVBox/ActionHBox/RefreshButton" to="." method="_on_refresh_button_pressed"]
 [connection signal="pressed" from="MarginContainer/ContentCenter/ContentVBox/ActionHBox/DeleteButton" to="." method="_on_delete_button_pressed"]
 [connection signal="pressed" from="MarginContainer/ContentCenter/ContentVBox/ActionHBox/BackButton" to="." method="_on_back_button_pressed"]

game/scenes/UI/dialog_system.gd

@@ -0,0 +1,146 @@
+extends CanvasLayer
+
+var _interactables: Array[Node] = []
+var _active_interactable: Node = null
+var _dialog_visible := false
+
+var _prompt_label: Label
+var _dialog_panel: PanelContainer
+var _dialog_label: RichTextLabel
+
+func _ready() -> void:
+	layer = 50
+	process_mode = Node.PROCESS_MODE_ALWAYS
+	_setup_ui()
+	_set_dialog_visible(false)
+	_update_prompt_visibility()
+
+
+func _process(_delta: float) -> void:
+	if Input.is_action_just_pressed("interact"):
+		if _dialog_visible:
+			_set_dialog_visible(false)
+			return
+		if _active_interactable != null:
+			_open_dialog_for(_active_interactable)
+
+
+func register_interactable(interactable: Node) -> void:
+	if interactable == null:
+		return
+	if _interactables.has(interactable):
+		return
+	_interactables.append(interactable)
+	_refresh_active_interactable()
+
+
+func unregister_interactable(interactable: Node) -> void:
+	if interactable == null:
+		return
+	_interactables.erase(interactable)
+	if _active_interactable == interactable and _dialog_visible:
+		_set_dialog_visible(false)
+	_refresh_active_interactable()
+
+
+func _refresh_active_interactable() -> void:
+	while _interactables.size() > 0 and not is_instance_valid(_interactables[_interactables.size() - 1]):
+		_interactables.pop_back()
+	_active_interactable = _interactables[_interactables.size() - 1] if _interactables.size() > 0 else null
+	if _dialog_visible and _active_interactable != null:
+		_dialog_label.text = _get_dialog_text(_active_interactable)
+	_update_prompt_visibility()
+
+
+func _open_dialog_for(interactable: Node) -> void:
+	if _dialog_label:
+		_dialog_label.text = _get_dialog_text(interactable)
+	_set_dialog_visible(true)
+
+
+func show_text(text: String) -> void:
+	if _dialog_label:
+		_dialog_label.text = text
+	_set_dialog_visible(true)
+
+
+func close_if_text(expected_text: String) -> void:
+	if not _dialog_visible:
+		return
+	if _dialog_label == null:
+		return
+	if _dialog_label.text != expected_text:
+		return
+	_set_dialog_visible(false)
+
+
+func _set_dialog_visible(dialog_open: bool) -> void:
+	_dialog_visible = dialog_open
+	if _dialog_panel:
+		_dialog_panel.visible = _dialog_visible
+	_update_prompt_visibility()
+
+
+func _update_prompt_visibility() -> void:
+	if _prompt_label == null:
+		return
+	var has_active := _active_interactable != null
+	_prompt_label.visible = has_active and not _dialog_visible
+	if _prompt_label.visible:
+		_prompt_label.text = _get_prompt_text(_active_interactable)
+
+
+func _get_prompt_text(interactable: Node) -> String:
+	if interactable == null:
+		return ""
+	if interactable.has_method("get_dialog_prompt"):
+		return String(interactable.call("get_dialog_prompt"))
+	return "Press E to interact"
+
+
+func _get_dialog_text(interactable: Node) -> String:
+	if interactable == null:
+		return ""
+	if interactable.has_method("get_dialog_text"):
+		return String(interactable.call("get_dialog_text"))
+	return "..."
+
+
+func _setup_ui() -> void:
+	var root := Control.new()
+	root.name = "DialogRoot"
+	root.set_anchors_preset(Control.PRESET_FULL_RECT)
+	root.mouse_filter = Control.MOUSE_FILTER_IGNORE
+	add_child(root)
+
+	_prompt_label = Label.new()
+	_prompt_label.name = "PromptLabel"
+	_prompt_label.set_anchors_preset(Control.PRESET_CENTER_BOTTOM)
+	_prompt_label.offset_left = -140.0
+	_prompt_label.offset_top = -64.0
+	_prompt_label.offset_right = 140.0
+	_prompt_label.offset_bottom = -36.0
+	_prompt_label.horizontal_alignment = HORIZONTAL_ALIGNMENT_CENTER
+	_prompt_label.mouse_filter = Control.MOUSE_FILTER_IGNORE
+	_prompt_label.text = "Press E to interact"
+	root.add_child(_prompt_label)
+
+	_dialog_panel = PanelContainer.new()
+	_dialog_panel.name = "DialogPanel"
+	_dialog_panel.visible = false
+	_dialog_panel.set_anchors_preset(Control.PRESET_CENTER_BOTTOM)
+	_dialog_panel.offset_left = -300.0
+	_dialog_panel.offset_top = -220.0
+	_dialog_panel.offset_right = 300.0
+	_dialog_panel.offset_bottom = -80.0
+	_dialog_panel.mouse_filter = Control.MOUSE_FILTER_IGNORE
+	root.add_child(_dialog_panel)
+
+	_dialog_label = RichTextLabel.new()
+	_dialog_label.name = "DialogText"
+	_dialog_label.custom_minimum_size = Vector2(560.0, 120.0)
+	_dialog_label.fit_content = true
+	_dialog_label.scroll_active = false
+	_dialog_label.bbcode_enabled = true
+	_dialog_label.text = ""
+	_dialog_panel.add_child(_dialog_label)

game/scenes/UI/dialog_system.gd.uid

@@ -0,0 +1 @@
+uid://be24usagr8kml

game/scenes/UI/selected_character.gd

@@ -0,0 +1,16 @@
+extends Node
+
+var character: Dictionary = {}
+
+func set_character(data: Dictionary) -> void:
+	character = data
+
+func clear() -> void:
+	character = {}
+
+func get_coord() -> Vector2:
+	var coord: Dictionary = character.get("coord", {})
+	return Vector2(
+		float(coord.get("x", 0)),
+		float(coord.get("y", 0))
+	)

game/scenes/UI/selected_character.gd.uid

@@ -0,0 +1 @@
+uid://bbl0our5y4k7a

game/scenes/Vehicles/car.gd

@@ -0,0 +1,105 @@
+extends RigidBody3D
+
+@export var drive_speed := 18.0
+@export var drive_accel := 20.0
+@export var brake_strength := 28.0
+@export var turn_speed := 2.0
+@export var turn_accel := 8.0
+@export var lateral_damp := 10.0
+@export var launch_impulse := 28.0
+@export var launch_up_impulse := 6.0
+@export var seat_path: NodePath
+@export var exit_path: NodePath
+@export var camera_path: NodePath
+@export var interact_area_path: NodePath
+
+@onready var seat: Node3D = get_node(seat_path) if seat_path != NodePath("") else null
+@onready var exit_point: Node3D = get_node(exit_path) if exit_path != NodePath("") else null
+@onready var car_camera: Camera3D = get_node(camera_path) if camera_path != NodePath("") else null
+@onready var interact_area: Area3D = get_node(interact_area_path) if interact_area_path != NodePath("") else null
+
+var _nearby_driver: Node = null
+var _driver: Node = null
+
+func _ready() -> void:
+	if interact_area:
+		interact_area.collision_layer = 2
+		interact_area.collision_mask = 1
+		interact_area.body_entered.connect(_on_interact_body_entered)
+		interact_area.body_exited.connect(_on_interact_body_exited)
+	if car_camera:
+		car_camera.current = false
+	contact_monitor = true
+	max_contacts_reported = 8
+
+func _process(_delta: float) -> void:
+	if _driver == null and _nearby_driver != null and Input.is_action_just_pressed("interact"):
+		_enter_vehicle(_nearby_driver)
+	elif _driver != null and Input.is_action_just_pressed("interact"):
+		_exit_vehicle()
+
+func _integrate_forces(state: PhysicsDirectBodyState3D) -> void:
+	if _driver == null:
+		return
+
+	var input2v := Input.get_vector("ui_left", "ui_right", "ui_up", "ui_down")
+	var forward := global_transform.basis.z
+	forward.y = 0.0
+	forward = forward.normalized()
+
+	var current_speed := linear_velocity.dot(forward)
+	var target_speed := input2v.y * drive_speed
+	var accel := drive_accel if abs(input2v.y) > 0.01 else brake_strength
+	var new_forward_speed := move_toward(current_speed, target_speed, accel * state.step)
+	var forward_vel := forward * new_forward_speed
+	var lateral_vel := linear_velocity - (forward * current_speed)
+	lateral_vel = lateral_vel.move_toward(Vector3.ZERO, lateral_damp * state.step)
+	linear_velocity = forward_vel + lateral_vel
+
+	var speed_factor: float = clamp(abs(new_forward_speed) / drive_speed, 0.0, 1.0)
+	var turn_input := input2v.x
+	if new_forward_speed < -0.1:
+		turn_input = -turn_input
+	var target_turn: float = turn_input * turn_speed * speed_factor
+	angular_velocity.y = move_toward(angular_velocity.y, target_turn, turn_accel * state.step)
+
+	if speed_factor > 0.2:
+		var hit_ids := {}
+		for i in state.get_contact_count():
+			var collider := state.get_contact_collider_object(i)
+			if collider is RigidBody3D and collider != self:
+				var collider_id := (collider as Node).get_instance_id()
+				if hit_ids.has(collider_id):
+					continue
+				hit_ids[collider_id] = true
+				var contact_pos := state.get_contact_collider_position(i)
+				var launch_dir := (contact_pos - global_position).normalized()
+				if launch_dir.length() <= 0.001:
+					var normal_world := (global_transform.basis * state.get_contact_local_normal(i)).normalized()
+					launch_dir = normal_world if normal_world.length() > 0.001 else forward.normalized()
+				var impulse := launch_dir * (launch_impulse * speed_factor) + Vector3.UP * launch_up_impulse
+				(collider as RigidBody3D).apply_central_impulse(impulse)
+
+func _enter_vehicle(player: Node) -> void:
+	if seat == null:
+		return
+	_driver = player
+	player.call("enter_vehicle", self, seat, car_camera)
+	if car_camera:
+		car_camera.current = true
+
+func _exit_vehicle() -> void:
+	if _driver == null:
+		return
+	_driver.call("exit_vehicle", exit_point, car_camera)
+	_driver = null
+	if car_camera:
+		car_camera.current = false
+
+func _on_interact_body_entered(body: Node) -> void:
+	if body.has_method("enter_vehicle"):
+		_nearby_driver = body
+
+func _on_interact_body_exited(body: Node) -> void:
+	if body == _nearby_driver:
+		_nearby_driver = null

game/scenes/Vehicles/car.gd.uid

@@ -0,0 +1 @@
+uid://4qf5yinepytc

game/scenes/Vehicles/car.tscn

@@ -0,0 +1,43 @@
+[gd_scene load_steps=6 format=3]
+
+[ext_resource type="Script" path="res://scenes/Vehicles/car.gd" id="1_kbd20"]
+
+[sub_resource type="BoxShape3D" id="BoxShape3D_7r1j6"]
+size = Vector3(1.4, 0.9, 2.6)
+
+[sub_resource type="BoxShape3D" id="BoxShape3D_jk0m1"]
+size = Vector3(2.2, 2.0, 3.8)
+
+[sub_resource type="BoxMesh" id="BoxMesh_4y8xk"]
+size = Vector3(1.4, 0.9, 2.6)
+
+[sub_resource type="StandardMaterial3D" id="StandardMaterial3D_red"]
+albedo_color = Color(0.85, 0.1, 0.1, 1)
+
+[node name="Car" type="RigidBody3D"]
+script = ExtResource("1_kbd20")
+seat_path = NodePath("Seat")
+exit_path = NodePath("Exit")
+camera_path = NodePath("CarCamera")
+interact_area_path = NodePath("InteractArea")
+
+[node name="CollisionShape3D" type="CollisionShape3D" parent="."]
+shape = SubResource("BoxShape3D_7r1j6")
+
+[node name="MeshInstance3D" type="MeshInstance3D" parent="."]
+mesh = SubResource("BoxMesh_4y8xk")
+surface_material_override/0 = SubResource("StandardMaterial3D_red")
+
+[node name="InteractArea" type="Area3D" parent="."]
+
+[node name="CollisionShape3D" type="CollisionShape3D" parent="InteractArea"]
+shape = SubResource("BoxShape3D_jk0m1")
+
+[node name="Seat" type="Node3D" parent="."]
+transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0.0, 0.6, 0.0)
+
+[node name="Exit" type="Node3D" parent="."]
+transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 1.3, 0.0, 0.0)
+
+[node name="CarCamera" type="Camera3D" parent="."]
+transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0.0, 2.0, 4.2)

game/scenes/player.gd

@@ -4,11 +4,11 @@ extends RigidBody3D
 # of collisions. So that's why we're using a RigidBody3D instead.
 
 const MOVE_SPEED := 8.0
+const SPRINT_MOVE_SPEED :=13
 const ACCELLERATION := 30.0
 const DECELLERATION := 40.0
 const JUMP_SPEED := 4.0
 const MAX_NUMBER_OF_JUMPS := 2
-
 const MIN_FOV := 10
 const MAX_FOV := 180
 const ZOOM_FACTOR := 1.1 # Zoom out when >1, in when < 1
@@ -23,8 +23,23 @@ var _last_move_right := Vector3(1, 0, 0)
 var _camera_offset_local := Vector3.ZERO
 var _camera_yaw := 0.0
 var _camera_pitch := 0.0
+var _in_vehicle := false
+var _vehicle_collision_layer := 0
+var _vehicle_collision_mask := 0
+var _vehicle_original_parent: Node = null
+var _light_was_on := false
+var _jump_triggered := false
+@onready var _flashlight: SpotLight3D = $SpotLight3D
+@onready var _anim_player: AnimationPlayer = find_child("AnimationPlayer", true, false) as AnimationPlayer
+@onready var _model_root: Node3D = find_child("TestCharAnimated", true, false) as Node3D
 
 @export var camera_follow_speed := 10.0
+@export var anim_idle_name := "Idle"
+@export var anim_walk_name := "Walk"
+@export var anim_jump_name := "Jump"
+@export var anim_run_name := "Run"
+@export var anim_walk_speed_threshold := 0.25
+@export var anim_sprint_speed_threshold := 10.0
 
 var jump_sound = preload("res://assets/audio/jump.ogg")
 var audio_player = AudioStreamPlayer.new()
@@ -36,6 +51,7 @@ var audio_player = AudioStreamPlayer.new()
 var phone_visible := false
 
 func _ready() -> void:
+	add_to_group("player")
 	axis_lock_angular_x = true
 	axis_lock_angular_z = true
 	angular_damp = 6.0
@@ -60,8 +76,13 @@ func _ready() -> void:
 		_last_move_forward = forward.normalized()
 	if right.length() > 0.0001:
 		_last_move_right = right.normalized()
+	_vehicle_collision_layer = collision_layer
+	_vehicle_collision_mask = collision_mask
 	
 func _integrate_forces(state):
+	if _in_vehicle:
+		linear_velocity = Vector3.ZERO
+		return
 	if cameraMoveMode and _pending_mouse_delta != Vector2.ZERO:
 		rotation_x -= _pending_mouse_delta.y * mouse_sensitivity
 		rotation_y -= _pending_mouse_delta.x * mouse_sensitivity
@@ -99,8 +120,13 @@ func _integrate_forces(state):
 		right = _last_move_right
 		
 	var dir := (right * input2v.x + forward * input2v.y).normalized()
+	
 	var target_v := dir * MOVE_SPEED
 	
+	# Sprinting
+	if Input.is_key_pressed(KEY_SHIFT):
+		target_v = dir * SPRINT_MOVE_SPEED
+			
 	var ax := ACCELLERATION if dir != Vector3.ZERO else DECELLERATION
 	linear_velocity.x = move_toward(linear_velocity.x, target_v.x, ax * state.step)
 	linear_velocity.z = move_toward(linear_velocity.z, target_v.z, ax * state.step)
@@ -117,6 +143,7 @@ func _integrate_forces(state):
 		current_number_of_jumps = (current_number_of_jumps + 1) % 2
 		linear_velocity.y = JUMP_SPEED
 		audio_player.play()
+		_jump_triggered = true
 
 	if cam:
 		var target_yaw := global_transform.basis.get_euler().y
@@ -126,7 +153,12 @@ func _integrate_forces(state):
 		cam.global_position = cam.global_position.lerp(target_pos, camera_follow_speed * state.step)
 		cam.global_rotation = Vector3(_camera_pitch, _camera_yaw, 0.0)
 
+	_update_animation(on_floor, state.linear_velocity)
+	_jump_triggered = false
+
 func _input(event):
+	if _in_vehicle:
+		return
 	if event is InputEventMouseButton:
 		if event.button_index == MOUSE_BUTTON_MIDDLE:
 			if event.pressed:
@@ -146,9 +178,70 @@ func _input(event):
 			zoom_camera(ZOOM_FACTOR) # Zoom out
 			
 	if event.is_action_pressed("player_light"):
-		$SpotLight3D.visible = !$SpotLight3D.visible
+		_flashlight.visible = !_flashlight.visible
 			
 func zoom_camera(factor):
 	var new_fov = cam.fov * factor
 	cam.fov = clamp(new_fov, MIN_FOV, MAX_FOV)
 
+func _update_animation(on_floor: bool, velocity: Vector3) -> void:
+	if _anim_player == null:
+		return
+	var horizontal_speed := Vector3(velocity.x, 0.0, velocity.z).length()
+	if _jump_triggered and _anim_player.has_animation(anim_jump_name):
+		if _anim_player.current_animation != anim_jump_name:
+			_anim_player.play(anim_jump_name)
+		return
+	if not on_floor and _anim_player.has_animation(anim_jump_name):
+		if _anim_player.current_animation != anim_jump_name:
+			_anim_player.play(anim_jump_name)
+		return
+	if on_floor and horizontal_speed > anim_sprint_speed_threshold and _anim_player.has_animation(anim_run_name):
+		if _anim_player.current_animation != anim_walk_name:
+			_anim_player.play(anim_walk_name)
+		return
+	if horizontal_speed > anim_walk_speed_threshold and _anim_player.has_animation(anim_walk_name):
+		if _anim_player.current_animation != anim_walk_name:
+			_anim_player.play(anim_walk_name)
+		return
+	if _anim_player.has_animation(anim_idle_name):
+		if _anim_player.current_animation != anim_idle_name:
+			_anim_player.play(anim_idle_name)
+
+func enter_vehicle(_vehicle: Node, seat: Node3D, vehicle_camera: Camera3D) -> void:
+	_in_vehicle = true
+	freeze = true
+	sleeping = true
+	collision_layer = 0
+	collision_mask = 0
+	_vehicle_original_parent = get_parent()
+	_light_was_on = _flashlight.visible
+	_flashlight.visible = false
+	if _model_root:
+		_model_root.visible = false
+	if seat:
+		reparent(seat, true)
+		global_transform = seat.global_transform
+	if cam:
+		cam.current = false
+	if vehicle_camera:
+		vehicle_camera.current = true
+
+func exit_vehicle(exit_point: Node3D, vehicle_camera: Camera3D) -> void:
+	_in_vehicle = false
+	freeze = false
+	sleeping = false
+	collision_layer = _vehicle_collision_layer
+	collision_mask = _vehicle_collision_mask
+	if _vehicle_original_parent:
+		reparent(_vehicle_original_parent, true)
+	_vehicle_original_parent = null
+	_flashlight.visible = _light_was_on
+	if _model_root:
+		_model_root.visible = true
+	if exit_point:
+		global_transform = exit_point.global_transform
+	if vehicle_camera:
+		vehicle_camera.current = false
+	if cam:
+		cam.current = true

microservices/CharacterApi/Controllers/CharactersController.cs

@@ -32,6 +32,7 @@ public class CharactersController : ControllerBase
         {
             OwnerUserId = userId,
             Name = req.Name.Trim(),
+            Coord = new Coord { X = 0, Y = 0 },
             CreatedUtc = DateTime.UtcNow
         };
 

microservices/CharacterApi/DOCUMENTS.md

@@ -18,6 +18,10 @@ Stored documents (MongoDB)
     "id": "string (ObjectId)",
     "ownerUserId": "string",
     "name": "string",
+    "coord": {
+      "x": "number",
+      "y": "number"
+    },
     "createdUtc": "string (ISO-8601 datetime)"
   }
   ```

microservices/CharacterApi/Models/Character.cs

@@ -13,5 +13,7 @@ public class Character
 
     public string Name { get; set; } = string.Empty;
 
+    public Coord Coord { get; set; } = new();
+
     public DateTime CreatedUtc { get; set; } = DateTime.UtcNow;
 }

microservices/CharacterApi/Models/Coord.cs

@@ -0,0 +1,8 @@
+namespace CharacterApi.Models;
+
+public class Coord
+{
+    public int X { get; set; }
+
+    public int Y { get; set; }
+}

microservices/LocationsApi/Services/LocationStore.cs

@@ -23,6 +23,8 @@ public class LocationStore
             .Ascending(l => l.Coord.Y);
         var coordIndexOptions = new CreateIndexOptions { Unique = true };
         _col.Indexes.CreateOne(new CreateIndexModel<Location>(coordIndex, coordIndexOptions));
+
+        EnsureOriginLocation();
     }
 
     private static void EnsureLocationSchema(IMongoDatabase db, string collectionName)
@@ -100,4 +102,31 @@ public class LocationStore
         var result = await _col.UpdateOneAsync(filter, update);
         return result.ModifiedCount > 0;
     }
+
+    private void EnsureOriginLocation()
+    {
+        var filter = Builders<Location>.Filter.And(
+            Builders<Location>.Filter.Eq(l => l.Coord.X, 0),
+            Builders<Location>.Filter.Eq(l => l.Coord.Y, 0)
+        );
+        var existing = _col.Find(filter).FirstOrDefault();
+        if (existing is not null)
+            return;
+
+        var origin = new Location
+        {
+            Name = "Origin",
+            Coord = new Coord { X = 0, Y = 0 },
+            CreatedUtc = DateTime.UtcNow
+        };
+
+        try
+        {
+            _col.InsertOne(origin);
+        }
+        catch (MongoWriteException ex) when (ex.WriteError.Category == ServerErrorCategory.DuplicateKey)
+        {
+            // Another instance seeded it first.
+        }
+    }
 }