public static GameObject CreateNewAsset(HEU_HoudiniAsset.HEU_AssetType assetType, string rootName = "HoudiniAsset", Transform parentTransform = null, HEU_SessionBase session = null, bool bBuildAsync = true)
{
if (session == null)
{
session = HEU_SessionManager.GetOrCreateDefaultSession();
}
if (!session.IsSessionValid())
{
Debug.LogWarning("Invalid Houdini Engine session!");
return(null);
}
// This will be the root GameObject for the HDA. Adding HEU_HoudiniAssetRoot
// allows to use a custom Inspector.
GameObject rootGO = new GameObject();
HEU_HoudiniAssetRoot assetRoot = rootGO.AddComponent <HEU_HoudiniAssetRoot>();
// Set the game object's name to the asset's name
rootGO.name = string.Format("{0}{1}", rootName, rootGO.GetInstanceID());
// Under the root, we'll add the HEU_HoudiniAsset onto another GameObject
// This will be marked as EditorOnly to strip out for builds
GameObject hdaGEO = new GameObject(HEU_PluginSettings.HDAData_Name);
hdaGEO.transform.parent = rootGO.transform;
// This holds all Houdini Engine data
HEU_HoudiniAsset asset = hdaGEO.AddComponent <HEU_HoudiniAsset>();
// Marking as EditorOnly to be excluded from builds
if (HEU_GeneralUtility.DoesUnityTagExist(HEU_PluginSettings.EditorOnly_Tag))
{
hdaGEO.tag = HEU_PluginSettings.EditorOnly_Tag;
}
// Bind the root to the asset
assetRoot._houdiniAsset = asset;
// Populate asset with what we know
asset.SetupAsset(assetType, null, rootGO, session);
// Build it in Houdini Engine
asset.RequestReload(bBuildAsync);
if (parentTransform != null)
{
rootGO.transform.parent = parentTransform;
rootGO.transform.localPosition = Vector3.zero;
}
else
{
rootGO.transform.position = Vector3.zero;
}
return(rootGO);
}
/// <summary>
/// Load and instantiate an HDA asset in Unity and Houdini, for the asset located at given path.
/// </summary>
/// <param name="filePath">Full path to the HDA in Unity project</param>
/// <param name="initialPosition">Initial location to create the instance in Unity.</param>
/// <returns>Returns the newly created gameobject for the asset in the scene, or null if creation failed.</returns>
public static GameObject InstantiateHDA(string filePath, Vector3 initialPosition, HEU_SessionBase session, bool bBuildAsync)
{
if (filePath == null || !HEU_Platform.DoesFileExist(filePath))
{
return(null);
}
// This will be the root GameObject for the HDA. Adding HEU_HoudiniAssetRoot
// allows to use a custom Inspector.
GameObject rootGO = new GameObject(HEU_Defines.HEU_DEFAULT_ASSET_NAME);
HEU_HoudiniAssetRoot assetRoot = rootGO.AddComponent <HEU_HoudiniAssetRoot>();
// Under the root, we'll add the HEU_HoudiniAsset onto another GameObject
// This will be marked as EditorOnly to strip out for builds
GameObject hdaGEO = new GameObject(HEU_PluginSettings.HDAData_Name);
hdaGEO.transform.parent = rootGO.transform;
// This holds all Houdini Engine data
HEU_HoudiniAsset asset = hdaGEO.AddComponent <HEU_HoudiniAsset>();
// Marking as EditorOnly to be excluded from builds
if (HEU_GeneralUtility.DoesUnityTagExist(HEU_PluginSettings.EditorOnly_Tag))
{
hdaGEO.tag = HEU_PluginSettings.EditorOnly_Tag;
}
// Bind the root to the asset
assetRoot._houdiniAsset = asset;
// Populate asset with what we know
asset.SetupAsset(HEU_HoudiniAsset.HEU_AssetType.TYPE_HDA, filePath, rootGO, session);
// Build it in Houdini Engine
asset.RequestReload(bBuildAsync);
// Apply Unity transform and possibly upload to Houdini Engine
rootGO.transform.position = initialPosition;
Debug.LogFormat("{0}: Created new HDA asset from {1} of type {2}.", HEU_Defines.HEU_NAME, filePath, asset.AssetType);
return(rootGO);
}
