// only allow one engine part per specific location
internal static void ValidateAdd(
MechComponentDef newComponentDef,
List <MechLabItemSlotElement> localInventory,
ref string dropErrorMessage,
ref bool result)
{
try
{
if (!newComponentDef.IsEnginePart())
{
return;
}
var existingEngine = localInventory
.Where(x => x != null)
.Select(x => x.ComponentRef)
.FirstOrDefault(x => x != null && x.Def != null && x.Def.IsEnginePart());
if (existingEngine == null)
{
return;
}
dropErrorMessage = String.Format("Cannot add {0}: An engine part is already installed", newComponentDef.Description.Name);
result = false;
}
catch (Exception e)
{
Control.mod.Logger.LogError(e);
}
}