Automatic merge of T1.6-rc2-41-gacd714487 and 10 pull requests

- Pull request #1086 at e10390b: Add Settings Exporter tool (copy settings to INI, etc)
- Pull request #1091 at 2391bc0: Automatic speed control
- Pull request #1107 at f5eb3dc: Fix DPMode when last remote is moved to front.
- Pull request #1110 at 387388e: Fix Activity Runner persists after loading exception
- Pull request #1114 at 9a4a873: Fix color of DB in DrivingInfo when in setup with DPU fenced.
- Pull request #1115 at 01c0838: Do not activate ETS switch if no suitable cars are attached
- Pull request #1116 at 721d118: Fix Potential Hang in AnimatedPart.SetFrameWrap
- Pull request #1082 at 5845a1a: Allow variable water level in glass gauge
- Pull request #1104 at f9691cf: Handle simple adhesion within the axle module
- Pull request #1081 at 689494b: Brake cuts power unification

Author: openrails-bot

Source/RunActivity/Viewer3D/AnimatedPart.cs

@@ -130,9 +130,16 @@ public void SetFrameCycle(float frame)
         public void SetFrameWrap(float frame)
         {
             // Wrap the frame around 0-MaxFrame without hanging when MaxFrame=0.
-            while (MaxFrame > 0 && frame < 0) frame += MaxFrame;
-            if (frame < 0) frame = 0;
-            frame %= MaxFrame;
+            if (MaxFrame > 0)
+            {
+                frame %= MaxFrame;
+                // If frame was negative (eg: animation run in reverse), it will still be negative
+                // and needs one additional offset by MaxFrame to be in the correct range
+                if (frame < 0)
+                    frame += MaxFrame;
+            }
+            else if (frame < 0)
+                frame = 0;
             SetFrame(frame);
         }