Merge pull request #798 from Csantucci/fix-casting-error

Csantucci · web-flow · commit 3047d0a76ab4 · 2023-02-22T18:12:24.000+01:00
Temporary bug fix for https://bugs.launchpad.net/or/+bug/2004100 Casting error crash
diff --git a/Source/RunActivity/Viewer3D/RollingStock/MSTSWagonViewer.cs b/Source/RunActivity/Viewer3D/RollingStock/MSTSWagonViewer.cs
@@ -737,7 +737,8 @@ private void UpdateAnimation(RenderFrame frame, ElapsedTime elapsedTime)
 
             if (Car.BrakeSkid) // if car wheels are skidding because of brakes locking wheels up then stop wheels rotating.
             {
-                if ( ((MSTSLocomotive)MSTSWagon).DriveWheelOnlyBrakes)
+                // Temporary bug fix (CSantucci)
+                if (MSTSWagon is MSTSLocomotive loco && loco.DriveWheelOnlyBrakes)
                 {
                     distanceTravelledDrivenM = 0.0f;
                 }
@@ -746,7 +747,6 @@ private void UpdateAnimation(RenderFrame frame, ElapsedTime elapsedTime)
                     distanceTravelledM = 0.0f;
                     distanceTravelledDrivenM = 0.0f;
                 }
-
             }
 
             // Running gear and drive wheel rotation (animation) in steam locomotives

Original file line number	Diff line number	Diff line change
`@@ -737,7 +737,8 @@ private void UpdateAnimation(RenderFrame frame, ElapsedTime elapsedTime)`
`737`	`737`
`738`	`738`	`if (Car.BrakeSkid) // if car wheels are skidding because of brakes locking wheels up then stop wheels rotating.`
`739`	`739`	`{`
`740`		`- if ( ((MSTSLocomotive)MSTSWagon).DriveWheelOnlyBrakes)`
	`740`	`+ // Temporary bug fix (CSantucci)`
	`741`	`+ if (MSTSWagon is MSTSLocomotive loco && loco.DriveWheelOnlyBrakes)`
`741`	`742`	`{`
`742`	`743`	`distanceTravelledDrivenM = 0.0f;`
`743`	`744`	`}`
`@@ -746,7 +747,6 @@ private void UpdateAnimation(RenderFrame frame, ElapsedTime elapsedTime)`
`746`	`747`	`distanceTravelledM = 0.0f;`
`747`	`748`	`distanceTravelledDrivenM = 0.0f;`
`748`	`749`	`}`
`749`		`-`
`750`	`750`	`}`
`751`	`751`
`752`	`752`	`// Running gear and drive wheel rotation (animation) in steam locomotives`