/// <summary>
/// Returns an error description in case any of these are true for the current SDK info:
/// <list type="bullet">
/// <item> <description>Its type doesn't exist anymore.</description> </item>
/// <item> <description>It's a fallback SDK.</description> </item>
/// <item> <description>It doesn't have its scripting define symbols added.</description> </item>
/// <item> <description>It's missing its vendor SDK.</description> </item>
/// </list>
/// </summary>
/// <typeparam name="BaseType">The SDK base type of which to return the error description for. Must be a subclass of SDK_Base.</typeparam>
/// <param name="prettyName">The pretty name of the base SDK to use when returning error descriptions.</param>
/// <param name="info">The SDK info of which to return the error description for.</param>
/// <param name="installedInfos">The installed SDK infos.</param>
/// <returns>An error description if there is one, else `null`.</returns>
private static string GetSDKErrorDescription <BaseType>(string prettyName, VRTK_SDKInfo info, IEnumerable <VRTK_SDKInfo> installedInfos) where BaseType : SDK_Base
{
Type selectedType = info.type;
Type baseType = typeof(BaseType);
Type fallbackType = VRTK_SDKManager.SDKFallbackTypesByBaseType[baseType];
if (selectedType == fallbackType)
{
return(string.Format("The fallback {0} SDK is being used because there is no other {0} SDK set in the SDK Setup.", prettyName));
}
if (!VRTK_SharedMethods.IsTypeAssignableFrom(baseType, selectedType) || VRTK_SharedMethods.IsTypeAssignableFrom(fallbackType, selectedType))
{
string description = string.Format("The fallback {0} SDK is being used despite being set to '{1}'.", prettyName, selectedType.Name);
if (installedInfos.Select(installedInfo => installedInfo.type).Contains(selectedType))
{
return(description + " Its needed scripting define symbols are not added. You can click the GameObject with the `VRTK_SDKManager` script attached to it in Edit Mode and choose to automatically let the manager handle the scripting define symbols.");
}
return(description + " The needed vendor SDK isn't installed.");
}
return(null);
}