Themed default speed signs

TLM/TLM/Manager/Impl/LanePos.cs

@@ -5,17 +5,20 @@ public struct LanePos {
         public float position;
         public VehicleInfo.VehicleType vehicleType;
         public NetInfo.LaneType laneType;
+        public NetInfo.Direction finalDirection;
 
         public LanePos(uint laneId,
                        byte laneIndex,
                        float position,
                        VehicleInfo.VehicleType vehicleType,
-                       NetInfo.LaneType laneType) {
+                       NetInfo.LaneType laneType,
+                       NetInfo.Direction finalDirection) {
             this.laneId = laneId;
             this.laneIndex = laneIndex;
             this.position = position;
             this.vehicleType = vehicleType;
             this.laneType = laneType;
+            this.finalDirection = finalDirection;
         }
     }
 }

TLM/TLM/Manager/Impl/OptionsManager.cs

@@ -244,6 +244,8 @@ int LoadBool(int idx, ILegacySerializableOption opt) {
 
             index = LoadBool(index, OptionsVehicleRestrictionsTab.NoDoubleCrossings);
             index = LoadBool(index, OptionsVehicleRestrictionsTab.DedicatedTurningLanes);
+
+            index = LoadBool(index, OptionsGeneralTab.DifferentiateDefaultSpeedsInNormalView);
             return true;
         }
 
@@ -311,6 +313,8 @@ public byte[] SaveData(ref bool success) {
 
                 OptionsVehicleRestrictionsTab.NoDoubleCrossings.Save(),
                 OptionsVehicleRestrictionsTab.DedicatedTurningLanes.Save(),
+
+                OptionsGeneralTab.DifferentiateDefaultSpeedsInNormalView.Save(),
             };
         }
     }

TLM/TLM/State/Options.cs

@@ -120,6 +120,9 @@ public class Options : MonoBehaviour {
         public static bool PriorityRoad_EnterBlockedYeild = false;
         public static bool PriorityRoad_StopAtEntry = false;
 
+        /// <summary>When <c>true</c>, default speeds will be depicted with green signs in normal speed limit override view.</summary>
+        public static bool differentiateDefaultSpeedsInNormalView = false;
+
         /// <summary>
         /// Invoked on options change to refresh the main menu and possibly update the labels for
         /// a new language. Takes a second, very slow.

TLM/TLM/State/OptionsTabs/OptionsGeneralTab.cs

@@ -18,6 +18,12 @@ namespace TrafficManager.State {
     using UI.WhatsNew;
 
     public static class OptionsGeneralTab {
+        public static CheckboxOption DifferentiateDefaultSpeedsInNormalView =
+            new (nameof(Options.differentiateDefaultSpeedsInNormalView)) {
+                Label = "General.Checkbox:DifferentiateDefaultSpeedsInNormalView",
+                Handler = OnDifferentiateDefaultSpeedsInNormalViewChanged,
+            };
+
         private static UICheckBox _instantEffectsToggle;
 
         [UsedImplicitly]
@@ -201,6 +207,8 @@ string FormatThemeName(string themeName) {
                       eventCallback: OnRoadSignsThemeChanged) as UIDropDown;
 
             _roadSignsThemeDropdown.width *= 2.0f;
+
+            DifferentiateDefaultSpeedsInNormalView.AddUI(generalGroup);
         }
 
         private static void OnLanguageChanged(int newLanguageIndex) {
@@ -424,6 +432,10 @@ private static void OnRoadSignsThemeChanged(int newThemeIndex) {
             GlobalConfig.WriteConfig();
         }
 
+        private static void OnDifferentiateDefaultSpeedsInNormalViewChanged(bool newVal) {
+            // ?
+        }
+
         private static void OnSimulationAccuracyChanged(int newAccuracy) {
             if (!Options.IsGameLoaded()) {
                 return;