| public static GetComposedChildNodeList ( HEU_SessionBase session, HAPI_NodeId parentNodeID, HAPI_NodeTypeBits nodeTypeFilter, HAPI_NodeFlagsBits nodeFlagFilter, bool bRecursive, Array &childNodeIDs, bool bLogIfError = true ) : bool | ||
| session | HEU_SessionBase | |
| parentNodeID | HAPI_NodeId | Parent node ID |
| nodeTypeFilter | HAPI_NodeTypeBits | Node type by which to filter the children |
| nodeFlagFilter | HAPI_NodeFlagsBits | Node flags by which to filter the children |
| bRecursive | bool | Whether or not to compose the list recursively |
| childNodeIDs | Array | |
| bLogIfError | bool | |
| return | bool | |
public void Initialize(HEU_SessionBase session, HAPI_ObjectInfo objectInfo, HAPI_Transform objectTranform, HEU_HoudiniAsset parentAsset)
{
_objectInfo = objectInfo;
_objectTransform = objectTranform;
_parentAsset = parentAsset;
SyncWithObjectInfo(session);
// Translate transform to Unity (TODO)
List<HAPI_GeoInfo> geoInfos = new List<HAPI_GeoInfo>();
// Get display geo info
HAPI_GeoInfo displayGeoInfo = new HAPI_GeoInfo();
if(!session.GetDisplayGeoInfo(_objectInfo.nodeId, ref displayGeoInfo))
{
return;
}
//Debug.LogFormat("Found geoinfo with name {0} and id {1}", HEU_SessionManager.GetString(displayGeoInfo.nameSH, session), displayGeoInfo.nodeId);
geoInfos.Add(displayGeoInfo);
// TODO: The following editable node query also retrieves geo nodes for terrain with visualization nodes. Need to review to check if we're using the
// correct query flags, and handling returned nodes correctly.
// Get editable nodes, cook em, then create geo nodes for them
HAPI_NodeId[] editableNodes = null;
HEU_SessionManager.GetComposedChildNodeList(session, _objectInfo.nodeId, (int)HAPI_NodeType.HAPI_NODETYPE_SOP, (int)HAPI_NodeFlags.HAPI_NODEFLAGS_EDITABLE, true, out editableNodes);
if(editableNodes != null)
{
foreach(HAPI_NodeId editNodeID in editableNodes)
{
if (editNodeID != displayGeoInfo.nodeId)
{
session.CookNode(editNodeID, HEU_PluginSettings.CookTemplatedGeos);
HAPI_GeoInfo editGeoInfo = new HAPI_GeoInfo();
if (session.GetGeoInfo(editNodeID, ref editGeoInfo))
{
geoInfos.Add(editGeoInfo);
}
}
}
}
//Debug.LogFormat("Object id={5}, name={0}, isInstancer={1}, isInstanced={2}, instancePath={3}, instanceId={4}",
// HEU_SessionManager.GetString(objectInfo.nameSH, session), objectInfo.isInstancer, objectInfo.isInstanced,
// HEU_SessionManager.GetString(objectInfo.objectInstancePathSH, session), objectInfo.objectToInstanceId, objectInfo.nodeId);
// Go through geo infos to create geometry
int numGeoInfos = geoInfos.Count;
for(int i = 0; i < numGeoInfos; ++i)
{
// Create GeoNode for each
_geoNodes.Add(CreateGeoNode(session, geoInfos[i]));
}
// This has been moved to GenerateGeometry but kept here just in case.
//ApplyObjectTransformToGeoNodes();
}
/// <summary>
/// Find all TOP networks from linked HDA, as well as the TOP nodes within, and populate internal state.
/// </summary>
/// <returns>True if successfully populated data</returns>
public bool PopulateTOPNetworks()
{
HEU_SessionBase session = GetHAPISession();
HAPI_NodeInfo assetInfo = new HAPI_NodeInfo();
if (!session.GetNodeInfo(_assetID, ref assetInfo, true))
{
return false;
}
// Get all networks within the asset, recursively.
// The reason to get all networks is because there can be TOP network SOP which isn't a TOP network type, but rather a SOP type
int nodeCount = 0;
if (!session.ComposeChildNodeList(_assetID, (int)(HAPI_NodeType.HAPI_NODETYPE_ANY), (int)HAPI_NodeFlags.HAPI_NODEFLAGS_NETWORK, true, ref nodeCount))
{
return false;
}
HAPI_NodeId[] nodeIDs = new HAPI_NodeId[nodeCount];
if (!session.GetComposedChildNodeList(_assetID, nodeIDs, nodeCount))
{
return false;
}
// Holds TOP networks in use
List<HEU_TOPNetworkData> newNetworks = new List<HEU_TOPNetworkData>();
// For each network, only add those with TOP child nodes (therefore guaranteeing only TOP networks are added).
for (int t = 0; t < nodeCount; ++t)
{
HAPI_NodeInfo topNodeInfo = new HAPI_NodeInfo();
if (!session.GetNodeInfo(nodeIDs[t], ref topNodeInfo))
{
return false;
}
string nodeName = HEU_SessionManager.GetString(topNodeInfo.nameSH, session);
//Debug.LogFormat("Top node: {0} - {1}", nodeName, topNodeInfo.type);
// Skip any non TOP or SOP networks
if (topNodeInfo.type != HAPI_NodeType.HAPI_NODETYPE_TOP && topNodeInfo.type != HAPI_NodeType.HAPI_NODETYPE_SOP)
{
continue;
}
// Get list of all TOP nodes within this network.
HAPI_NodeId[] topNodeIDs = null;
if (!HEU_SessionManager.GetComposedChildNodeList(session, nodeIDs[t], (int)(HAPI_NodeType.HAPI_NODETYPE_TOP), (int)HAPI_NodeFlags.HAPI_NODEFLAGS_TOP_NONSCHEDULER, true, out topNodeIDs))
{
continue;
}
// Skip networks without TOP nodes
if (topNodeIDs == null || topNodeIDs.Length == 0)
{
continue;
}
// Get any filter tags from spare parms on TOP nodes
TOPNodeTags tags = new TOPNodeTags();
if (_useHEngineData)
{
ParseHEngineData(session, nodeIDs[t], ref topNodeInfo, ref tags);
if (!tags._show)
{
continue;
}
}
else
{
tags._show = true;
}
HEU_TOPNetworkData topNetworkData = GetTOPNetworkByName(nodeName, _topNetworks);
if (topNetworkData == null)
{
topNetworkData = new HEU_TOPNetworkData();
}
else
{
// Found previous TOP network, so remove it from old list. This makes
// sure to not remove it when cleaning up old nodes.
_topNetworks.Remove(topNetworkData);
}
newNetworks.Add(topNetworkData);
topNetworkData._nodeID = nodeIDs[t];
topNetworkData._nodeName = nodeName;
topNetworkData._parentName = _assetName;
topNetworkData._tags = tags;
PopulateTOPNodes(session, topNetworkData, topNodeIDs, _useHEngineData);
}
// Clear old TOP networks and nodes
ClearAllTOPData();
_topNetworks = newNetworks;
// Update latest TOP network names
_topNetworkNames = new string[_topNetworks.Count];
for (int i = 0; i < _topNetworks.Count; ++i)
{
_topNetworkNames[i] = _topNetworks[i]._nodeName;
}
return true;
}
/// <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>
public void UpdateObject(HEU_SessionBase session, bool bForceUpdate)
{
// 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
//Debug.Log("Geos have changed!");
// Form a list of geo infos that are now present after cooking
List<HAPI_GeoInfo> postCookGeoInfos = new List<HAPI_GeoInfo>();
// Get the display geo info
HAPI_GeoInfo displayGeoInfo = new HAPI_GeoInfo();
if (session.GetDisplayGeoInfo(_objectInfo.nodeId, ref displayGeoInfo, false))
{
postCookGeoInfos.Add(displayGeoInfo);
}
else
{
displayGeoInfo.nodeId = HEU_Defines.HEU_INVALID_NODE_ID;
}
// Get editable nodes, cook em, then create geo nodes for them
HAPI_NodeId[] editableNodes = null;
HEU_SessionManager.GetComposedChildNodeList(session, _objectInfo.nodeId, (int)HAPI_NodeType.HAPI_NODETYPE_SOP, (int)HAPI_NodeFlags.HAPI_NODEFLAGS_EDITABLE, true, out editableNodes);
if (editableNodes != null)
{
foreach (HAPI_NodeId editNodeID in editableNodes)
{
if (editNodeID != displayGeoInfo.nodeId)
{
session.CookNode(editNodeID, HEU_PluginSettings.CookTemplatedGeos);
HAPI_GeoInfo editGeoInfo = new HAPI_GeoInfo();
if (session.GetGeoInfo(editNodeID, ref editGeoInfo))
{
postCookGeoInfos.Add(editGeoInfo);
}
}
}
}
// 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
}
// This is the old way of getting outputs. Keep it for now for legacy. TODO: Remove this later
internal void GatherAllAssetOutputsLegacy(HEU_SessionBase session, HAPI_ObjectInfo objectInfo, bool bUseOutputNodes, ref List<HEU_GeoNode> geoNodes)
{
List<HAPI_GeoInfo> geoInfos = new List<HAPI_GeoInfo>();
// Get display geo info
HAPI_GeoInfo displayGeoInfo = new HAPI_GeoInfo();
if (!session.GetDisplayGeoInfo(objectInfo.nodeId, ref displayGeoInfo))
{
return;
}
//HEU_Logger.LogFormat("Found geoinfo with name {0} and id {1}", HEU_SessionManager.GetString(displayGeoInfo.nameSH, session), displayGeoInfo.nodeId);
geoInfos.Add(displayGeoInfo);
if (bUseOutputNodes)
{
int outputCount = 0;
if (!session.GetOutputGeoCount(objectInfo.nodeId, out outputCount))
{
outputCount = 0;
}
if (outputCount > 0)
{
HAPI_GeoInfo[] outputGeoInfos = new HAPI_GeoInfo[outputCount];
if (!session.GetOutputGeoInfos(objectInfo.nodeId, ref outputGeoInfos, outputCount))
{
outputGeoInfos = new HAPI_GeoInfo[0];
}
foreach (HAPI_GeoInfo geoInfo in outputGeoInfos)
{
if (geoInfo.nodeId == displayGeoInfo.nodeId)
{
continue;
}
bool bValidOutput = true;
int parentId = HEU_HAPIUtility.GetParentNodeID(session, geoInfo.nodeId);
while (parentId >= 0)
{
if (parentId == geoInfo.nodeId)
{
// This output node is inside the display geo
// Do not use this output to avoid duplicates
bValidOutput = false;
break;
}
parentId = HEU_HAPIUtility.GetParentNodeID(session, parentId);
}
if (bValidOutput)
{
// Need to cook output geometry to get their parts
HAPI_GeoInfo cookedGeoInfo = new HAPI_GeoInfo();
session.CookNode(geoInfo.nodeId, HEU_PluginSettings.CookTemplatedGeos);
// Get the refreshed geo info
if (session.GetGeoInfo(geoInfo.nodeId, ref cookedGeoInfo))
{
geoInfos.Add(cookedGeoInfo);
}
}
}
}
}
// Get editable nodes, cook em, then create geo nodes for them
HAPI_NodeId[] editableNodes = null;
HEU_SessionManager.GetComposedChildNodeList(session, objectInfo.nodeId, (int)HAPI_NodeType.HAPI_NODETYPE_SOP, (int)HAPI_NodeFlags.HAPI_NODEFLAGS_EDITABLE, true, out editableNodes);
if (editableNodes != null)
{
foreach (HAPI_NodeId editNodeID in editableNodes)
{
if (editNodeID != displayGeoInfo.nodeId)
{
session.CookNode(editNodeID, HEU_PluginSettings.CookTemplatedGeos);
HAPI_GeoInfo editGeoInfo = new HAPI_GeoInfo();
if (session.GetGeoInfo(editNodeID, ref editGeoInfo))
{
geoInfos.Add(editGeoInfo);
}
}
}
}
//HEU_Logger.LogFormat("Object id={5}, name={0}, isInstancer={1}, isInstanced={2}, instancePath={3}, instanceId={4}",
// HEU_SessionManager.GetString(objectInfo.nameSH, session), objectInfo.isInstancer, objectInfo.isInstanced,
// HEU_SessionManager.GetString(objectInfo.objectInstancePathSH, session), objectInfo.objectToInstanceId, objectInfo.nodeId);
// Go through geo infos to create geometry
int numGeoInfos = geoInfos.Count;
for (int i = 0; i < numGeoInfos; ++i)
{
// Create GeoNode for each
geoNodes.Add(CreateGeoNode(session, geoInfos[i]));
}
}
/// <summary>
/// Find all TOP networks from linked HDA, as well as the TOP nodes within, and populate internal state.
/// </summary>
/// <returns>True if successfully populated data</returns>
public bool PopulateTOPNetworks()
{
HEU_SessionBase session = GetHAPISession();
HAPI_NodeId[] allNetworkNodeIds = HEU_PDGSession.GetNonBypassedNetworkIds(session, _assetID);
if (allNetworkNodeIds == null || allNetworkNodeIds.Length == 0)
{
return false;
}
// Holds TOP networks in use
List<HEU_TOPNetworkData> newNetworks = new List<HEU_TOPNetworkData>();
// Find nodes with TOP child nodes
foreach (HAPI_NodeId currentNodeId in allNetworkNodeIds)
{
HAPI_NodeInfo topNodeInfo = new HAPI_NodeInfo();
if (!session.GetNodeInfo(currentNodeId, ref topNodeInfo))
{
return false;
}
string nodeName = HEU_SessionManager.GetString(topNodeInfo.nameSH, session);
//HEU_Logger.LogFormat("Top node: {0} - {1}", nodeName, topNodeInfo.type);
// Skip any non TOP or SOP networks
if (topNodeInfo.type != HAPI_NodeType.HAPI_NODETYPE_TOP && topNodeInfo.type != HAPI_NodeType.HAPI_NODETYPE_SOP)
{
continue;
}
// Get list of all TOP nodes within this network.
HAPI_NodeId[] topNodeIDs = null;
if (!HEU_SessionManager.GetComposedChildNodeList(session, currentNodeId, (int)(HAPI_NodeType.HAPI_NODETYPE_TOP), (int)HAPI_NodeFlags.HAPI_NODEFLAGS_TOP_NONSCHEDULER, true, out topNodeIDs))
{
continue;
}
// Skip networks without TOP nodes
if (topNodeIDs == null || topNodeIDs.Length == 0)
{
continue;
}
// Get any filter tags from spare parms on TOP nodes
TOPNodeTags tags = new TOPNodeTags();
if (_useHEngineData)
{
ParseHEngineData(session, currentNodeId, ref topNodeInfo, ref tags);
if (!tags._showHEngineData)
{
continue;
}
}
else
{
tags._show = true;
tags._showHEngineData = true;
}
HEU_TOPNetworkData topNetworkData = GetTOPNetworkByName(nodeName, _topNetworks);
if (topNetworkData == null)
{
topNetworkData = new HEU_TOPNetworkData();
}
else
{
// Found previous TOP network, so remove it from old list. This makes
// sure to not remove it when cleaning up old nodes.
_topNetworks.Remove(topNetworkData);
}
newNetworks.Add(topNetworkData);
topNetworkData._nodeID = currentNodeId;
topNetworkData._nodeName = nodeName;
topNetworkData._parentName = _assetName;
topNetworkData._tags = tags;
if (PopulateTOPNodes(session, topNetworkData, topNodeIDs, _useHEngineData))
{
for (int i = 0; i < topNetworkData._topNodes.Count; i++)
{
if (topNetworkData._topNodes[i]._tags._show)
{
topNetworkData._selectedTOPIndex = i;
break;
}
}
}
}
// Clear old TOP networks and nodes
ClearAllTOPData();
_topNetworks = newNetworks;
// Update latest TOP network names
_topNetworkNames = new string[_topNetworks.Count];
for (int i = 0; i < _topNetworks.Count; ++i)
{
_topNetworkNames[i] = _topNetworks[i]._nodeName;
}
return true;
}
