private static void SetTech(Tech selectedTech, ref Tech tech)
{
// Check if the tech was changed.
if (tech == null)
{
// Set and activate the tech.
tech = selectedTech;
selectedTech.Activate();
}
else
{
// Our tech needs to be switched and activated.
if (tech == selectedTech)
{
return;
}
StopTechAbilties(tech);
tech.Deactivate();
tech = selectedTech;
selectedTech.Activate();
}
}