feat: working on train labels

src/base-environments/transition/code/dolly.gd

@@ -52,6 +52,8 @@ signal train_left(track : Dolly)
 func _ready() -> void:
 	reset()
 
+func set_line(line: StringName):
+	subway.set_line(line)
 	
 ## One arrival and departure
 func cycle() -> void:

src/base-environments/transition/code/fahrplan.gd

@@ -26,29 +26,28 @@ func _set_signage_texts(group: StringName, message: String) -> void:
 		await get_tree().create_timer(0.05).timeout
 
 func _ready() -> void:
-	var x : Station = $hirschfeld
-	print(x.name)
 	await get_tree().process_frame
 
 	tracks[0].train_left.connect(_player_train_left)
 	tracks[1].train_left.connect(_player_train_left)
 	_unparent_all_stations_except($hirschfeld)
-	enter_station(current_station)
+	enter_station(current)
 
 
-var current_station : Station = null
+## The current station
+var current : Station
 var stop := false
 
 var destinations : Array[Station] = [null, null]
 
 ## Begins the scheduled traffic (looping through the list of destinations) on a given track
 func _begin_traffic_loop(track: Dolly, cancel: Array) -> void:
-	if not track.player_on_board and fahrplan[current_station][track.index] == null: # empty trains dont arrive at endstation
+	if not track.player_on_board and fahrplan[current][track.index] == null: # empty trains dont arrive at endstation
 		track.arrive(true)
 		_set_signage_texts(track.signage_group, "Endstation")
 		return
 
-	var routes : Array = fahrplan[current_station][track.index]
+	var routes : Array = fahrplan[current][track.index]
 	if routes.is_empty():
 		_set_signage_texts(track.signage_group, "Verkehr z. Zt.\nunregelmäßig")
 		return
@@ -56,11 +55,15 @@ func _begin_traffic_loop(track: Dolly, cancel: Array) -> void:
 	while true:
 		if cancel.is_empty(): return # abort the loop
 
-		var next : Node = routes.pop_front()
+		var line : StringName = routes.pop_front()
+		var next : Station = routes.pop_front()
+
+		routes.append(line) # It's a ring buffer
 		routes.append(next) # It's a ring buffer
 
 		destinations[track.index] = next
-		_set_signage_texts(track.signage_group, next.name) # TODO: load nice string
+		track.set_line(line)
+		_set_signage_texts(track.signage_group, current.get_label(line, next)) # TODO: load nice string
 
 		# Vary our schedule a little by making empty trains wait a random amount of time
 		if not track.player_on_board:
@@ -72,11 +75,11 @@ func _begin_traffic_loop(track: Dolly, cancel: Array) -> void:
 
 var cancellation_token : Array
 
-func enter_station(station: Node):
+func enter_station(station: Station):
 	prints("------------", "ENTER STATION", station, station.name, "------------")
-	remove_child(current_station)
-	current_station = station
-	add_child(current_station)
+	remove_child(current)
+	current = station
+	add_child(station)
 
 	cancellation_token = ["go"] # Allocate a new stopping token
 	_begin_traffic_loop(tracks[0], cancellation_token)
@@ -89,9 +92,9 @@ func _player_train_left(track: Dolly) -> void:
 
 func _unparent_all_stations_except(except : Node3D):
 	for station in stations:
-		if station == except:
-			current_station = station
-			continue
 		assert(station.get_parent() == self, "A station that isn't a child of Fahrplan is in the Fahrplan: %s" % station.name)
-		remove_child(station)
 		station.visible = true # Make visible by default, parenting handles visibility and collision
+		if station == except:
+			current = station
+			continue
+		remove_child(station)

src/base-environments/transition/code/station.gd

@@ -3,3 +3,6 @@ class_name Station
 
 @export var i18n_key : StringName
 @export var train_labels : Dictionary[StringName,String] = {}
+
+func get_label(line: StringName, next_stop: Station) -> String:
+	return train_labels.get(line+next_stop.name, line+next_stop.name)

src/base-environments/transition/code/subway_sequence.gd

@@ -1,9 +1,6 @@
 extends Room
 class_name SubwaySequence
 
-@export var all_stations: Dictionary[Station.id, Station]
-@export var all_lines: Dictionary[TrainLine.id, TrainLine]
-
 func _ready() -> void:
 	id = State.rooms.TRANSITION
 	super._ready()

src/base-environments/transition/code/subway_train.gd

@@ -1,6 +1,8 @@
 extends Node3D
 class_name SubwayTrain
 
+@export var materials : Dictionary[StringName, Material] = {}
+
 @export var door_open: bool:
 	set(open):
 		if door_open == open: return
@@ -11,3 +13,9 @@ class_name SubwayTrain
 			%TrainModel/AnimationPlayer.play("door_close")
 
 		%FrontWallClosed.disabled = door_open
+
+
+func set_line(line : StringName):
+	$TrainModel/traun_hull.material_overlay = materials[line]
+	get_tree().call_group("labels", "set_text", line.to_upper())
+		

src/base-environments/transition/code/train_line.gd

@@ -1,14 +0,0 @@
-class_name TrainLine extends Resource
-
-enum id {
-	NONE,
-	RING,
-	U2,
-	U3,
-	U8
-}
-
-@export var train_id: id = id.NONE
-@export var destination: StringName = ""
-@export var via: StringName = ""
-@export var stops: Dictionary[Station, float]

src/base-environments/transition/code/train_line.gd.uid

@@ -1 +0,0 @@
-uid://dfkq0djtygmma

src/base-environments/transition/subway_sequence.tscn

@@ -233,14 +233,14 @@ signage_group = "signage1"
 script = ExtResource("4_yfan7")
 metadata/_custom_type_script = "uid://bi4cwmajhpa5f"
 
-[node name="hirschfeld" parent="Logic/Fahrplan" instance=ExtResource("5_rum2v")]
+[node name="hirschfeld" parent="Logic/Fahrplan" groups=["signage1"] instance=ExtResource("5_rum2v")]
 transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, -0.015596004, 0.007891655, -0.018885009)
 script = ExtResource("10_iq74k")
 i18n_key = &"Hirschfeld-Str."
 train_labels = Dictionary[StringName, String]({
 &"u1lise_meitner": "U1 Ring ↺",
 &"u1parity_square": "U1 Ring ↻",
-&"u2station_university_mens": "U2 Ambitz"
+&"u2uni_mensa": "U2 Ambitz"
 })
 
 [node name="VoxelGI" type="VoxelGI" parent="Logic/Fahrplan/hirschfeld"]

src/base-environments/transition/subway_track.tscn

@@ -1,9 +1,15 @@
-[gd_scene load_steps=25 format=3 uid="uid://df3ur5wll8vx7"]
+[gd_scene load_steps=31 format=3 uid="uid://df3ur5wll8vx7"]
 
 [ext_resource type="PackedScene" uid="uid://4j1tlhfm3p40" path="res://base-environments/transition/subway_train.tscn" id="1_2h2xx"]
 [ext_resource type="Script" uid="uid://dgfje4druu3sw" path="res://base-environments/transition/code/dolly.gd" id="1_5jpg8"]
 [ext_resource type="Script" uid="uid://cyohujvfoiof7" path="res://base-environments/transition/code/subway_train.gd" id="2_aacjs"]
 [ext_resource type="AudioStream" uid="uid://cwfr6sgcwg7sl" path="res://base-environments/transition/audio/450918__kyles__metro-subway-montreal-verdun-station-arrive-and-leave-semidistant-from-bridge-over-tracks-overpass.ogg" id="3_4h0n7"]
+[ext_resource type="Material" uid="uid://cl7e6lpjalm0c" path="res://base-environments/transition/shaders/u1.material" id="3_j8pin"]
+[ext_resource type="Material" uid="uid://c0baqy42xdxtg" path="res://base-environments/transition/shaders/u2.material" id="4_3w708"]
+[ext_resource type="Material" uid="uid://bw4y5b5lnw3cn" path="res://base-environments/transition/shaders/u4.material" id="5_3x5rc"]
+[ext_resource type="Material" uid="uid://cor0uho8hnfqc" path="res://base-environments/transition/shaders/u7.material" id="6_ckebf"]
+[ext_resource type="Material" uid="uid://d0kk76pja0orj" path="res://base-environments/transition/shaders/u8.material" id="7_dyyau"]
+[ext_resource type="FontFile" uid="uid://b231f0liphck" path="res://import/fonts/AtkinsonHyperlegible-Regular.ttf" id="10_3w708"]
 
 [sub_resource type="StandardMaterial3D" id="StandardMaterial3D_aacjs"]
 shading_mode = 0
@@ -122,6 +128,13 @@ transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, -150)
 
 [node name="Subway" type="Node3D" parent="."]
 script = ExtResource("2_aacjs")
+materials = Dictionary[StringName, Material]({
+&"u1": ExtResource("3_j8pin"),
+&"u2": ExtResource("4_3w708"),
+&"u4": ExtResource("5_3x5rc"),
+&"u7": ExtResource("6_ckebf"),
+&"u8": ExtResource("7_dyyau")
+})
 metadata/_custom_type_script = "uid://cyohujvfoiof7"
 
 [node name="WarpEffecScreen" type="MeshInstance3D" parent="Subway"]
@@ -174,7 +187,18 @@ playback_type = 1
 [node name="TrainModel" parent="Subway" instance=ExtResource("1_2h2xx")]
 unique_name_in_owner = true
 transform = Transform3D(-4.371139e-08, 0, 1, 0, 1, 0, -1, 0, -4.371139e-08, -3.4114173e-08, 0, -0.7804413)
-script = null
+
+[node name="Label3D" type="Label3D" parent="Subway/TrainModel" groups=["labels"]]
+transform = Transform3D(-4.371139e-08, 0, -1, 0, 1, 0, 1, 0, -4.371139e-08, -15.413577, 2.7434583, -6.737489e-07)
+text = "U0"
+font = ExtResource("10_3w708")
+font_size = 64
+
+[node name="Label3D2" type="Label3D" parent="Subway/TrainModel" groups=["labels"]]
+transform = Transform3D(-4.371139e-08, 0, 1, 0, 1, 0, -1, 0, -4.371139e-08, 15.410003, 2.7434583, 6.9981036e-07)
+text = "U0"
+font = ExtResource("10_3w708")
+font_size = 64
 
 [node name="Collider" type="AnimatableBody3D" parent="Subway"]
 unique_name_in_owner = true

src/base-environments/transition/subway_train.tscn

@@ -1,8 +1,7 @@
-[gd_scene load_steps=15 format=4 uid="uid://4j1tlhfm3p40"]
+[gd_scene load_steps=14 format=4 uid="uid://4j1tlhfm3p40"]
 
 [ext_resource type="PackedScene" uid="uid://dmh8tmuvftqus" path="res://base-environments/transition/import/subway_train.glb" id="1_8e51f"]
 [ext_resource type="Material" uid="uid://dchm78gv31r6a" path="res://base-environments/transition/shaders/timetravel.tres" id="2_g5p57"]
-[ext_resource type="Script" uid="uid://cyohujvfoiof7" path="res://base-environments/transition/code/subway_train.gd" id="2_skiem"]
 [ext_resource type="Material" uid="uid://ddw7mob1qmlbj" path="res://base-environments/transition/shaders/u0.material" id="3_81crm"]
 [ext_resource type="Material" uid="uid://rh1lc61j6qd8" path="res://base-environments/transition/import/textures/roof_greeble.tres" id="3_q0ort"]
 [ext_resource type="Texture2D" uid="uid://bewykr0twbplg" path="res://base-environments/transition/import/textures/LateralTren_baseColor_upscayl_2x_realesrgan-x4plus-anime.png" id="5_6pwip"]
@@ -137,7 +136,6 @@ _data = {
 }
 
 [node name="subway_train" instance=ExtResource("1_8e51f")]
-script = ExtResource("2_skiem")
 
 [node name="traun_hull" parent="." index="0"]
 transform = Transform3D(-1, 0, -8.742278e-08, 0, 1, 0, 8.742278e-08, 0, -1, 0, 0, 0)