/// <summary>
/// Destroy all generated data.
/// </summary>
public void DestroyAllData()
{
HEU_PartData.DestroyParts(_parts);
if (_inputNode != null)
{
HEU_SessionBase session = null;
if (ParentAsset != null)
{
ParentAsset.RemoveInputNode(_inputNode);
session = ParentAsset.GetAssetSession(false);
}
_inputNode.DestroyAllData(session);
HEU_GeneralUtility.DestroyImmediate(_inputNode);
_inputNode = null;
}
if (_geoCurve != null)
{
if (ParentAsset != null)
{
ParentAsset.RemoveCurve(_geoCurve);
}
_geoCurve.DestroyAllData();
HEU_GeneralUtility.DestroyImmediate(_geoCurve);
_geoCurve = null;
}
DestroyVolumeCache();
}
/// <inheritdoc />
public void Recook()
{
if (ParentAsset != null)
{
ParentAsset.RequestCook();
}
}
public void DestroyVolumeCache()
{
if (_volumeCache != null)
{
ParentAsset.RemoveVolumeCache(_volumeCache);
HEU_GeneralUtility.DestroyImmediate(_volumeCache);
_volumeCache = null;
}
}
/// <inheritdoc />
public HEU_SessionBase GetSession()
{
if (ParentAsset != null)
{
return(ParentAsset.GetAssetSession(true));
}
else
{
return(HEU_SessionManager.GetOrCreateDefaultSession());
}
}
public bool IsHiddenOrParentHidden()
{
var isHidden = IsHidden.Value();
if (!isHidden && ParentAsset != null)
{
isHidden = ParentAsset.IsHiddenOrParentHidden();
}
return(isHidden);
}
public void DestroyVolumeCache()
{
if (_volumeCaches != null)
{
int numCaches = _volumeCaches.Count;
for (int i = 0; i < numCaches; ++i)
{
if (_volumeCaches[i] != null)
{
ParentAsset.RemoveVolumeCache(_volumeCaches[i]);
HEU_GeneralUtility.DestroyImmediate(_volumeCaches[i]);
_volumeCaches[i] = null;
}
}
_volumeCaches = null;
}
}
public void ProcessVolumeParts(HEU_SessionBase session, List <HEU_PartData> volumeParts)
{
int numVolumeParts = volumeParts.Count;
if (_volumeCache == null)
{
if (numVolumeParts == 0)
{
return;
}
_volumeCache = ScriptableObject.CreateInstance <HEU_VolumeCache>();
_volumeCache.Initialize(this);
ParentAsset.AddVolumeCache(_volumeCache);
}
else if (numVolumeParts == 0)
{
DestroyVolumeCache();
return;
}
_volumeCache.GenerateFromParts(session, ParentAsset, volumeParts);
}
/// <summary>
/// Process the part at the given index, creating its data (geometry),
/// and adding it to the list of parts.
/// </summary>
/// <param name="session"></param>
/// <param name="partID"></param>
/// <returns>A valid HEU_PartData if it has been successfully processed.</returns>
private void ProcessPart(HEU_SessionBase session, int partID, ref HAPI_PartInfo partInfo, ref HEU_PartData partData)
{
HEU_HoudiniAsset parentAsset = ParentAsset;
bool bResult = true;
//Debug.LogFormat("Part: name={0}, id={1}, type={2}, instanced={3}, instance count={4}, instance part count={5}", HEU_SessionManager.GetString(partInfo.nameSH, session), partID, partInfo.type, partInfo.isInstanced, partInfo.instanceCount, partInfo.instancedPartCount);
#if HEU_PROFILER_ON
float processPartStartTime = Time.realtimeSinceStartup;
#endif
bool isPartEditable = IsIntermediateOrEditable();
bool isAttribInstancer = false;
if (IsGeoInputType())
{
// Setup for input node to accept inputs
if (_inputNode == null)
{
string partName = HEU_SessionManager.GetString(partInfo.nameSH, session);
_inputNode = HEU_InputNode.CreateSetupInput(GeoID, 0, partName, HEU_InputNode.InputNodeType.NODE, ParentAsset);
if (_inputNode != null)
{
ParentAsset.AddInputNode(_inputNode);
}
}
if (HEU_HAPIUtility.IsSupportedPolygonType(partInfo.type) && partInfo.vertexCount == 0)
{
// No geometry for input asset
if (partData != null)
{
// Clean up existing part
HEU_PartData.DestroyPart(partData);
partData = null;
}
// No need to process further since we don't have geometry
return;
}
}
else
{
// Preliminary check for attribute instancing (mesh type with no verts but has points with instances)
if (HEU_HAPIUtility.IsSupportedPolygonType(partInfo.type) && partInfo.vertexCount == 0 && partInfo.pointCount > 0)
{
HAPI_AttributeInfo instanceAttrInfo = new HAPI_AttributeInfo();
HEU_GeneralUtility.GetAttributeInfo(session, GeoID, partID, HEU_PluginSettings.UnityInstanceAttr, ref instanceAttrInfo);
if (instanceAttrInfo.exists && instanceAttrInfo.count > 0)
{
isAttribInstancer = true;
}
}
}
if (partInfo.type == HAPI_PartType.HAPI_PARTTYPE_INVALID)
{
// Clean up invalid parts
if (partData != null)
{
HEU_PartData.DestroyPart(partData);
partData = null;
}
}
else if (partInfo.type < HAPI_PartType.HAPI_PARTTYPE_MAX)
{
// Process the part based on type. Keep or ignore.
// We treat parts of type curve as curves, along with geo nodes that are editable and type curves
if (partInfo.type == HAPI_PartType.HAPI_PARTTYPE_CURVE)
{
if (partData == null)
{
partData = ScriptableObject.CreateInstance <HEU_PartData>();
}
partData.Initialize(session, partID, GeoID, _containerObjectNode.ObjectID, this, ref partInfo,
HEU_PartData.PartOutputType.CURVE, isPartEditable, _containerObjectNode.IsInstancer(), false);
SetupGameObjectAndTransform(partData, parentAsset);
partData.ProcessCurvePart(session);
}
else if (partInfo.type == HAPI_PartType.HAPI_PARTTYPE_VOLUME)
{
// We only process "height" volume parts. Other volume parts are ignored for now.
#if TERRAIN_SUPPORTED
HAPI_VolumeInfo volumeInfo = new HAPI_VolumeInfo();
bResult = session.GetVolumeInfo(GeoID, partID, ref volumeInfo);
if (!bResult)
{
Debug.LogErrorFormat("Unable to get volume info for geo node {0} and part {1} ", GeoID, partID);
}
else
{
if (Displayable && !IsIntermediateOrEditable())
{
if (partData == null)
{
partData = ScriptableObject.CreateInstance <HEU_PartData>();
}
else
{
// Clear volume data (case where switching from polygonal mesh to volume output)
partData.ClearGeneratedMeshOutput();
}
partData.Initialize(session, partID, GeoID, _containerObjectNode.ObjectID, this, ref partInfo,
HEU_PartData.PartOutputType.VOLUME, isPartEditable, _containerObjectNode.IsInstancer(), false);
SetupGameObjectAndTransform(partData, ParentAsset);
}
}
#else
Debug.LogWarningFormat("Terrain (heightfield volume) is not yet supported.");
#endif
}
else if (partInfo.type == HAPI_PartType.HAPI_PARTTYPE_INSTANCER || isAttribInstancer)
{
if (partData == null)
{
partData = ScriptableObject.CreateInstance <HEU_PartData>();
}
else
{
partData.ClearGeneratedMeshOutput();
partData.ClearGeneratedVolumeOutput();
}
partData.Initialize(session, partID, GeoID, _containerObjectNode.ObjectID, this, ref partInfo,
HEU_PartData.PartOutputType.INSTANCER, isPartEditable, _containerObjectNode.IsInstancer(), isAttribInstancer);
SetupGameObjectAndTransform(partData, parentAsset);
}
else if (HEU_HAPIUtility.IsSupportedPolygonType(partInfo.type))
{
if (partData == null)
{
partData = ScriptableObject.CreateInstance <HEU_PartData>();
}
else
{
// Clear volume data (case where switching from something other output to mesh)
partData.ClearGeneratedVolumeOutput();
}
partData.Initialize(session, partID, GeoID, _containerObjectNode.ObjectID, this, ref partInfo,
HEU_PartData.PartOutputType.MESH, isPartEditable, _containerObjectNode.IsInstancer(), false);
// This check allows to ignore editable non-display nodes by default, but commented out to allow
// them for now. Users can also ignore them by turning on IgnoreNonDisplayNodes
//if (Displayable || (Editable && ParentAsset.EditableNodesToolsEnabled))
{
SetupGameObjectAndTransform(partData, parentAsset);
}
}
else
{
Debug.LogWarningFormat("Unsupported part type {0}", partInfo.type);
}
if (partData != null)
{
// Success!
_parts.Add(partData);
// Set unique name for the part
string partName = HEU_PluginSettings.UseFullPathNamesForOutput ? GeneratePartFullName(partData.PartName) : partData.PartName;
partData.SetGameObjectName(partName);
// For intermediate or default-type editable nodes, setup the HEU_AttributeStore
if (isPartEditable)
{
partData.SyncAttributesStore(session, _geoInfo.nodeId, ref partInfo);
}
else
{
// Remove attributes store if it has it
partData.DestroyAttributesStore();
}
}
}
#if HEU_PROFILER_ON
Debug.LogFormat("PART PROCESS TIME:: NAME={0}, TIME={1}", HEU_SessionManager.GetString(partInfo.nameSH, session), (Time.realtimeSinceStartup - processPartStartTime));
#endif
}
/// <summary>
/// Retrieves object info from Houdini session and updates internal state.
/// New geo nodes are created, unused geo nodes are destroyed.
/// Geo nodes are then refreshed to be in sync with Houdini session.
/// </summary>
/// <returns>True if internal state has changed (including geometry).</returns>
internal void UpdateObject(HEU_SessionBase session, bool bForceUpdate)
{
if (ParentAsset == null)
{
return;
}
// Update the geo info
if (!session.GetObjectInfo(ObjectID, ref _objectInfo))
{
return;
}
SyncWithObjectInfo(session);
// Update the object transform
_objectTransform = ParentAsset.GetObjectTransform(session, ObjectID);
// Container for existing geo nodes that are still in use
List<HEU_GeoNode> geoNodesToKeep = new List<HEU_GeoNode>();
// Container for new geo infos that need to be created
List<HAPI_GeoInfo> newGeoInfosToCreate = new List<HAPI_GeoInfo>();
if (_objectInfo.haveGeosChanged || bForceUpdate)
{
// Indicates that the geometry nodes have changed
//HEU_Logger.Log("Geos have changed!");
// Form a list of geo infos that are now present after cooking
List<HAPI_GeoInfo> postCookGeoInfos = new List<HAPI_GeoInfo>();
bool useOutputNodes = true;
if (ParentAsset) useOutputNodes = ParentAsset.UseOutputNodes;
HEU_HAPIUtility.GatherAllAssetGeoInfos(session, ParentAsset.AssetInfo, _objectInfo, useOutputNodes, ref postCookGeoInfos);
// Now for each geo node that are present after cooking, we check if its
// new or whether we already have it prior to cooking.
int numPostCookGeoInfos = postCookGeoInfos.Count;
for (int i = 0; i < numPostCookGeoInfos; i++)
{
bool bFound = false;
for (int j = 0; j < _geoNodes.Count; j++)
{
string geoName = HEU_SessionManager.GetString(postCookGeoInfos[i].nameSH, session);
if (geoName.Equals(_geoNodes[j].GeoName))
{
_geoNodes[j].SetGeoInfo(postCookGeoInfos[i]);
geoNodesToKeep.Add(_geoNodes[j]);
_geoNodes.RemoveAt(j);
bFound = true;
break;
}
}
if (!bFound)
{
newGeoInfosToCreate.Add(postCookGeoInfos[i]);
}
}
// Whatever is left in _geoNodes is no longer needed so clean up
int numCurrentGeos = _geoNodes.Count;
for (int i = 0; i < numCurrentGeos; ++i)
{
_geoNodes[i].DestroyAllData();
}
}
else
{
Debug.Assert(_objectInfo.geoCount == _geoNodes.Count, "Expected same number of geometry nodes.");
}
// Go through the old geo nodes that are still in use and update if necessary.
foreach (HEU_GeoNode geoNode in geoNodesToKeep)
{
// Get geo info and check if geo changed
bool bGeoChanged = bForceUpdate || geoNode.HasGeoNodeChanged(session);
if (bGeoChanged)
{
geoNode.UpdateGeo(session);
}
else
{
if (_objectInfo.haveGeosChanged)
{
// Clear object instances since the object info has changed.
// Without this, the object instances were never getting updated
// if only the inputs changed but not outputs (of instancers).
geoNode.ClearObjectInstances();
}
// Visiblity might have changed, so update that
geoNode.CalculateVisiblity(IsVisible());
geoNode.CalculateColliderState();
}
}
// Create the new geo infos and add to our keep list
foreach (HAPI_GeoInfo newGeoInfo in newGeoInfosToCreate)
{
geoNodesToKeep.Add(CreateGeoNode(session, newGeoInfo));
}
// Overwrite the old list with new
_geoNodes = geoNodesToKeep;
// Updating the trasform is done in GenerateGeometry
}