/// <summary>
/// Gets the object infos and transforms for given asset.
/// </summary>
/// <param name="assetID">ID of the asset</param>
/// <param name="nodeInfo">HAPI_NodeInfo of the asset</param>
/// <param name="objectInfos">Array of retrieved object infos</param>
/// <param name="objectTransforms">Array of retrieved object transforms</param>
/// <returns>True if succesfully retrieved object infos and transforms</returns>
public static bool GetObjectInfos(HEU_SessionBase session, HAPI_NodeId assetID, ref HAPI_NodeInfo nodeInfo, out HAPI_ObjectInfo[] objectInfos, out HAPI_Transform[] objectTransforms)
{
objectInfos = new HAPI_ObjectInfo[0];
objectTransforms = new HAPI_Transform[0];
if (nodeInfo.type == HAPI_NodeType.HAPI_NODETYPE_SOP)
{
// For SOP assets, we use the parent IDs to get the object info and geo info
objectInfos = new HAPI_ObjectInfo[1];
if (!session.GetObjectInfo(nodeInfo.parentId, ref objectInfos[0]))
{
return(false);
}
// Identity transform will be used for SOP assets, so not querying transform
objectTransforms = new HAPI_Transform[1];
objectTransforms[0] = new HAPI_Transform(true);
}
else if (nodeInfo.type == HAPI_NodeType.HAPI_NODETYPE_OBJ)
{
int objectCount = 0;
if (!session.ComposeObjectList(assetID, out objectCount))
{
return(false);
}
if (objectCount <= 0)
{
// Since this asset is an object type and has 0 object as children, we use the object itself
objectInfos = new HAPI_ObjectInfo[1];
if (!session.GetObjectInfo(nodeInfo.id, ref objectInfos[0]))
{
return(false);
}
// Identity transform will be used for single object assets, so not querying transform
objectTransforms = new HAPI_Transform[1];
objectTransforms[0] = new HAPI_Transform(true);
}
else
{
// This object has children, so use GetComposedObjectList to get list of HAPI_ObjectInfos
objectInfos = new HAPI_ObjectInfo[objectCount];
if (!session.GetComposedObjectList(nodeInfo.parentId, objectInfos, 0, objectCount))
{
return(false);
}
// Now get the object transforms
objectTransforms = new HAPI_Transform[objectCount];
if (!HEU_SessionManager.GetComposedObjectTransformsMemorySafe(session, nodeInfo.parentId, HAPI_RSTOrder.HAPI_SRT, objectTransforms, 0, objectCount))
{
return(false);
}
}
}
else
{
Debug.LogWarningFormat(HEU_Defines.HEU_NAME + ": Unsupported node type {0}", nodeInfo.type);
return(false);
}
return(true);
}
