Automatic merge of T1.5.1-925-g1c557094e and 19 pull requests

- Pull request #570 at 3539862: Experimental glTF 2.0 support with PBR lighting
- Pull request #799 at dfc715e: Consolidated wind simulation
- Pull request #839 at d00beb9: First phase of https://blueprints.launchpad.net/or/+spec/additional-cruise-control-parameters
- Pull request #876 at f92de76: docs: add source for documents previously on website to source Documentation folder
- Pull request #882 at 3ca0eb1: Blueprint/train car operations UI window
- Pull request #885 at 0a956f5: feat: Add notifications to Menu
- Pull request #886 at 6c0785b: Scene viewer extension to TrackViewer
- Pull request #892 at 1f5ba4c: Signal Function OPP_SIG_ID_TRAINPATH
- Pull request #896 at 5866028: First implementation of https://blueprints.launchpad.net/or/+spec/specific-sounds-for-ai-trains
- Pull request #903 at 7af1f91: Downloading route content (Github, zip)
- Pull request #912 at f7b85e4: New Triple Valve Features Vol. 2
- Pull request #919 at 26cc6a8: Added mouse wheel support for controls which can be moved by pressing t…
- Pull request #923 at cc1b5b6: Add curve squeal to route
- Pull request #924 at 6c2c3cd: Default Asset Improvements
- Pull request #925 at e3b1688: Fix brakeshoe force bug
- Pull request #927 at 7bce293: AI Train Power Supply/Lights Fix
- Pull request #929 at a406a69: Add support for common circuit breaker variants
- Pull request #930 at 42398f4: Further enhancements for duplex locoomotive
- Pull request #932 at 9bdb074: Changed matrix's to matrices

Author: openrails-bot

Source/RunActivity/Viewer3D/Precipitation.cs

@@ -1,4 +1,4 @@
-// COPYRIGHT 2009 - 2023 by the Open Rails project.
+// COPYRIGHT 2009 - 2023 by the Open Rails project.
 //
 // This file is part of Open Rails.
 //
@@ -261,7 +261,7 @@ public void Update(float currentTime, ElapsedTime elapsedTime, float particlesPe
             var tiles = viewer.Tiles;
             var scenery = viewer.World.Scenery;
             var worldLocation = viewer.Camera.CameraWorldLocation;
-            var particleDirection2D = viewer.Simulator.Weather.WindInstantaneousDirection * viewer.Simulator.Weather.WindInstantaneousSpeedMpS;
+            var particleDirection2D = viewer.World.WeatherControl.PrecipitationSlewMpS;
             var particleDirection3D = new Vector3(particleDirection2D.X, 0, particleDirection2D.Y);
 
             if (TimeParticlesLastEmitted == 0)

Source/RunActivity/Viewer3D/Weather.cs

@@ -48,6 +48,7 @@ public class WeatherControl
         public readonly List<SoundSourceBase> WeatherSounds = new List<SoundSourceBase>();
 
         public Vector4 CloudScalePosition { get => new Vector4(CloudScale.X, CloudScale.Y, CloudPositionM.X / SkyPrimitive.RadiusM, CloudPositionM.Y / SkyPrimitive.RadiusM); }
+        public Vector2 PrecipitationSlewMpS { get; set; }
 
         Vector2 CloudScale;
         Vector2 CloudPositionM;
@@ -240,6 +241,7 @@ private void UpdateWind(ElapsedTime elapsedTime)
 
             WorldLocation.GetDistance(CameraWorldLocation, Viewer.Camera.CameraWorldLocation).Deconstruct(out var x, out var _, out var y);
             CloudPositionM += elapsedTime.ClockSeconds * Weather.WindAverageDirection * Weather.WindAverageSpeedMpS - new Vector2(x, -y);
+            PrecipitationSlewMpS = Weather.WindInstantaneousDirection * Weather.WindInstantaneousSpeedMpS - new Vector2(x, -y) / elapsedTime.ClockSeconds;
             CameraWorldLocation = Viewer.Camera.CameraWorldLocation;
         }