public static bool LoadHDAFile(HEU_SessionBase session, string assetPath, out HAPI_NodeId assetLibraryID, out string[] assetNames)
{
assetLibraryID = HEU_Defines.HEU_INVALID_NODE_ID;
assetNames = new string[0];
// Load the file
string validAssetPath = HEU_PluginStorage.Instance.ConvertEnvKeyedPathToReal(assetPath);
if (validAssetPath != null)
{
assetPath = validAssetPath;
HAPI_AssetLibraryId libraryID = 0;
bool bResult = session.LoadAssetLibraryFromFile(assetPath, false, out libraryID);
if (!bResult)
{
return(false);
}
int assetCount = 0;
bResult = session.GetAvailableAssetCount(libraryID, out assetCount);
if (!bResult)
{
return(false);
}
Debug.AssertFormat(assetCount > 0, "Houdini Engine: Invalid Asset Count of {0}", assetCount);
HAPI_StringHandle[] assetNameLengths = new HAPI_StringHandle[assetCount];
bResult = session.GetAvailableAssets(libraryID, ref assetNameLengths, assetCount);
if (!bResult)
{
return(false);
}
// Sanity check that our array hasn't changed size
Debug.Assert(assetNameLengths.Length == assetCount, "Houdini Engine: Invalid Asset Names");
assetNames = new string[assetCount];
for (int i = 0; i < assetCount; ++i)
{
assetNames[i] = HEU_SessionManager.GetString(assetNameLengths[i]);
}
return(true);
}
return(false);
}
/// <summary>
/// Returns the names of the assets contained in given asset library.
/// </summary>
/// <param name="libraryID">ID of the asset in the library</param>
/// <param name="assetNames">Array to fill with names. Assumes array is initialized at least size of assetCount</param>
/// <param name="assetCount">Should be same or less than returned by GetAvailableAssetCount</param>
/// <returns>True if query was successful</returns>
public virtual bool GetAvailableAssets(HAPI_AssetLibraryId libraryID, ref HAPI_StringHandle[] assetNames, int assetCount)
{
return false;
}
/// <summary>
/// Returns the number of assets contained in an asset library.
/// Requires LoadAssetLibraryFromFile to be invokved before calling this.
/// </summary>
/// <param name="libraryID">ID of the asset in lbirary</param>
/// <param name="assetCount">Number of assets contained in this asset library</param>
/// <returns>True if successfully queried the asset count</returns>
public virtual bool GetAvailableAssetCount(HAPI_AssetLibraryId libraryID, out int assetCount)
{
assetCount = 0;
return false;
}
