@@ -171,7 +171,7 @@ void DeleteWindowViewport(Window *w)
* @param width Width of the viewport
* @param height Height of the viewport
* @param follow_flags Flags controlling the viewport.
* - If bit 31 is set, the lower 16 bits are the vehicle that the viewport should follow.
* - If bit 31 is set, the lower 20 bits are the vehicle that the viewport should follow.
* - If bit 31 is clear, it is a #TileIndex.
* @param zoom Zoomlevel to display
*/
@@ -197,7 +197,7 @@ void InitializeWindowViewport(Window *w,
if (follow_flags & 0x80000000) {
const Vehicle *veh;
vp->follow_vehicle = (VehicleID)(follow_flags & 0xFFFF);
vp->follow_vehicle = (VehicleID)(follow_flags & 0xFFFFF);
veh = Vehicle::Get(vp->follow_vehicle);
pt = MapXYZToViewport(vp, veh->x_pos, veh->y_pos, veh->z_pos);
} else {