public void Initialize(HEU_GeoNode ownerNode, int tileIndex)
{
_ownerNode = ownerNode;
_geoName = ownerNode.GeoName;
_objName = ownerNode.ObjectNode.ObjectName;
_tileIndex = tileIndex;
}
private HEU_GeoNode CreateGeoNode(HEU_SessionBase session, HAPI_GeoInfo geoInfo)
{
HEU_GeoNode geoNode = ScriptableObject.CreateInstance<HEU_GeoNode>();
geoNode.Initialize(session, geoInfo, this);
geoNode.UpdateGeo(session);
return geoNode;
}
public void Initialize(HEU_GeoNode ownerNode, int tileIndex)
{
_ownerNode = ownerNode;
_geoName = ownerNode.GeoName;
_objName = ownerNode.ObjectNode.ObjectName;
_tileIndex = tileIndex;
_terrainData = null;
_scatterTrees = null;
}
public void UpdateLayerFromPart(HEU_SessionBase session, HEU_PartData part)
{
HEU_GeoNode geoNode = part.ParentGeoNode;
HAPI_VolumeInfo volumeInfo = new HAPI_VolumeInfo();
bool bResult = session.GetVolumeInfo(geoNode.GeoID, part.PartID, ref volumeInfo);
if (!bResult || volumeInfo.tupleSize != 1 || volumeInfo.zLength != 1 || volumeInfo.storage != HAPI_StorageType.HAPI_STORAGETYPE_FLOAT)
{
return;
}
string volumeName = HEU_SessionManager.GetString(volumeInfo.nameSH, session);
part.SetVolumeLayerName(volumeName);
//Debug.LogFormat("Part name: {0}, GeoName: {1}, Volume Name: {2}, Display: {3}", part.PartName, geoNode.GeoName, volumeName, geoNode.Displayable);
bool bHeightPart = volumeName.Equals("height");
HEU_VolumeLayer layer = GetLayer(volumeName);
if (layer == null)
{
layer = new HEU_VolumeLayer();
layer._layerName = volumeName;
if (bHeightPart)
{
_layers.Insert(0, layer);
}
else
{
_layers.Add(layer);
}
}
layer._part = part;
GetPartLayerAttributes(session, geoNode.GeoID, part.PartID, layer);
if (!bHeightPart)
{
part.DestroyAllData();
}
if (!_updatedLayers.Contains(layer))
{
if (bHeightPart)
{
_updatedLayers.Insert(0, layer);
}
else
{
_updatedLayers.Add(layer);
}
}
}
private void UpdateVolumeLayers(HEU_SessionBase session, HEU_HoudiniAsset houdiniAsset, List<HEU_PartData> volumeParts)
{
bool bResult;
foreach (HEU_PartData part in volumeParts)
{
HEU_GeoNode geoNode = part.ParentGeoNode;
HAPI_VolumeInfo volumeInfo = new HAPI_VolumeInfo();
bResult = session.GetVolumeInfo(geoNode.GeoID, part.PartID, ref volumeInfo);
if (!bResult || volumeInfo.tupleSize != 1 || volumeInfo.zLength != 1 || volumeInfo.storage != HAPI_StorageType.HAPI_STORAGETYPE_FLOAT)
{
continue;
}
string volumeName = HEU_SessionManager.GetString(volumeInfo.nameSH, session);
part.SetVolumeLayerName(volumeName);
//Debug.LogFormat("Part name: {0}, GeoName: {1}, Volume Name: {2}, Display: {3}", part.PartName, geoNode.GeoName, volumeName, geoNode.Displayable);
bool bHeightPart = volumeName.Equals("height");
HEU_VolumeLayer layer = GetLayer(volumeName);
if (layer == null)
{
layer = new HEU_VolumeLayer();
layer._layerName = volumeName;
layer._splatTexture = LoadDefaultSplatTexture();
if (bHeightPart)
{
_layers.Insert(0, layer);
}
else
{
_layers.Add(layer);
}
}
layer._part = part;
if (!bHeightPart)
{
part.DestroyAllData();
}
}
}
private void ParseVolumeDatas(HEU_SessionBase session, List<HEU_PartData> volumeParts)
{
bool bResult;
foreach (HEU_PartData part in volumeParts)
{
HEU_GeoNode geoNode = part.ParentGeoNode;
HAPI_VolumeInfo volumeInfo = new HAPI_VolumeInfo();
bResult = session.GetVolumeInfo(geoNode.GeoID, part.PartID, ref volumeInfo);
if(!bResult || volumeInfo.tupleSize != 1 || volumeInfo.zLength != 1 || volumeInfo.storage != HAPI_StorageType.HAPI_STORAGETYPE_FLOAT)
{
continue;
}
string volumeName = HEU_SessionManager.GetString(volumeInfo.nameSH, session);
//Debug.LogFormat("Part name: {0}, GeoName: {1}, Volume Name: {2}, Display: {3}", part.PartName, geoNode.GeoName, volumeName, geoNode.Displayable);
if(volumeName.Equals("height"))
{
if (_heightMapVolumeData == null)
{
_heightMapVolumeData = new HEU_VolumeData();
_heightMapVolumeData._partData = part;
_heightMapVolumeData._volumeInfo = volumeInfo;
}
}
else
{
HEU_VolumeData volumeData = new HEU_VolumeData();
volumeData._partData = part;
volumeData._volumeInfo = volumeInfo;
_textureVolumeDatas.Add(volumeData);
}
}
}
public void UpdateLayerFromPart(HEU_SessionBase session, HEU_PartData part)
{
HEU_GeoNode geoNode = part.ParentGeoNode;
HAPI_VolumeInfo volumeInfo = new HAPI_VolumeInfo();
bool bResult = session.GetVolumeInfo(geoNode.GeoID, part.PartID, ref volumeInfo);
if (!bResult || volumeInfo.tupleSize != 1 || volumeInfo.zLength != 1 || volumeInfo.storage != HAPI_StorageType.HAPI_STORAGETYPE_FLOAT)
{
return;
}
string volumeName = HEU_SessionManager.GetString(volumeInfo.nameSH, session);
part.SetVolumeLayerName(volumeName);
//Debug.LogFormat("Part name: {0}, GeoName: {1}, Volume Name: {2}, Display: {3}", part.PartName, geoNode.GeoName, volumeName, geoNode.Displayable);
bool bHeightPart = volumeName.Equals(HEU_Defines.HAPI_HEIGHTFIELD_LAYERNAME_HEIGHT);
bool bMaskPart = volumeName.Equals(HEU_Defines.HAPI_HEIGHTFIELD_LAYERNAME_MASK);
HEU_VolumeLayer layer = GetLayer(volumeName);
if (layer == null)
{
layer = new HEU_VolumeLayer();
layer._layerName = volumeName;
if (bHeightPart)
{
_layers.Insert(0, layer);
}
else if(!bMaskPart)
{
_layers.Add(layer);
}
}
layer._part = part;
layer._xLength = volumeInfo.xLength;
layer._yLength = volumeInfo.yLength;
if (!bMaskPart)
{
GetPartLayerAttributes(session, geoNode.GeoID, part.PartID, layer);
}
if (!bHeightPart)
{
// Non-height parts don't have any outputs as they are simply layers carrying info
part.DestroyAllData();
}
else
{
// Height part
List<HEU_TreePrototypeInfo> treePrototypeInfos = HEU_TerrainUtility.GetTreePrototypeInfosFromPart(session, geoNode.GeoID, part.PartID);
if (treePrototypeInfos != null)
{
if (_scatterTrees == null)
{
_scatterTrees = new HEU_VolumeScatterTrees();
}
_scatterTrees._treePrototypInfos = treePrototypeInfos;
}
}
if (!_updatedLayers.Contains(layer))
{
if (bHeightPart)
{
_updatedLayers.Insert(0, layer);
}
else if (!bMaskPart)
{
_updatedLayers.Add(layer);
}
}
}
// LOGIC -----------------------------------------------------------------------------------------------------
public static List<HEU_VolumeCache> UpdateVolumeCachesFromParts(HEU_SessionBase session, HEU_GeoNode ownerNode, List<HEU_PartData> volumeParts, List<HEU_VolumeCache> volumeCaches)
{
HEU_HoudiniAsset parentAsset = ownerNode.ParentAsset;
foreach (HEU_VolumeCache cache in volumeCaches)
{
// Remove current volume caches from parent asset.
// These get added back in below.
parentAsset.RemoveVolumeCache(cache);
// Mark the cache for updating
cache.StartUpdateLayers();
}
// This will keep track of volume caches still in use
List<HEU_VolumeCache> updatedCaches = new List<HEU_VolumeCache>();
int numParts = volumeParts.Count;
for (int i = 0; i < numParts; ++i)
{
// Get the tile index, if it exists, for this part
HAPI_AttributeInfo tileAttrInfo = new HAPI_AttributeInfo();
int[] tileAttrData = new int[0];
HEU_GeneralUtility.GetAttribute(session, ownerNode.GeoID, volumeParts[i].PartID, HEU_Defines.HAPI_HEIGHTFIELD_TILE_ATTR, ref tileAttrInfo, ref tileAttrData, session.GetAttributeIntData);
if (tileAttrData != null && tileAttrData.Length > 0)
{
//Debug.LogFormat("Tile: {0}", tileAttrData[0]);
int tile = tileAttrData[0];
HEU_VolumeCache volumeCache = null;
// Find cache in updated list
for (int j = 0; j < updatedCaches.Count; ++j)
{
if (updatedCaches[j] != null && updatedCaches[j].TileIndex == tile)
{
volumeCache = updatedCaches[j];
break;
}
}
if (volumeCache != null)
{
volumeCache.UpdateLayerFromPart(session, volumeParts[i]);
// Skip adding new cache since already found in updated list
continue;
}
// Find existing cache in old list
if (volumeCaches != null && volumeCaches.Count > 0)
{
for(int j = 0; j < volumeCaches.Count; ++j)
{
if (volumeCaches[j] != null && volumeCaches[j].TileIndex == tile)
{
volumeCache = volumeCaches[j];
break;
}
}
}
// Create new cache for this tile if not found
if (volumeCache == null)
{
volumeCache = ScriptableObject.CreateInstance<HEU_VolumeCache>();
volumeCache.Initialize(ownerNode, tile);
volumeCache.StartUpdateLayers();
}
volumeCache.UpdateLayerFromPart(session, volumeParts[i]);
if (!updatedCaches.Contains(volumeCache))
{
updatedCaches.Add(volumeCache);
}
}
else
{
// No tile index. Most likely a single terrain tile.
HEU_VolumeCache volumeCache = null;
if (updatedCaches.Count == 0)
{
// Create a single volume cache, or use existing if it was just 1.
// If more than 1 volume cache exists, this will recreate a single one
if (volumeCaches == null || volumeCaches.Count != 1)
{
volumeCache = ScriptableObject.CreateInstance<HEU_VolumeCache>();
volumeCache.Initialize(ownerNode, 0);
volumeCache.StartUpdateLayers();
}
else if (volumeCaches.Count == 1)
{
// Keep the single volumecache
volumeCache = volumeCaches[0];
}
if (!updatedCaches.Contains(volumeCache))
{
updatedCaches.Add(volumeCache);
}
}
else
{
// Reuse the updated cache
volumeCache = updatedCaches[0];
}
volumeCache.UpdateLayerFromPart(session, volumeParts[i]);
}
}
foreach (HEU_VolumeCache cache in updatedCaches)
{
// Add to parent for UI and preset
parentAsset.AddVolumeCache(cache);
// Finish update by keeping just the layers in use for each volume cache.
cache.FinishUpdateLayers();
}
return updatedCaches;
}
public void GenerateGeometry(HEU_SessionBase session, bool bRebuild)
{
// Volumes could come in as a geonode + part for each heightfield layer.
// Otherwise the other geo types can be done individually.
bool bResult = false;
List<HEU_PartData> meshParts = new List<HEU_PartData>();
List<HEU_PartData> volumeParts = new List<HEU_PartData>();
List<HEU_PartData> partsToDestroy = new List<HEU_PartData>();
HEU_HoudiniAsset parentAsset = ParentAsset;
foreach (HEU_GeoNode geoNode in _geoNodes)
{
geoNode.GetPartsByOutputType(meshParts, volumeParts);
if (volumeParts.Count > 0)
{
// Volumes
// Each layer in the volume is retrieved as a volume part, in the display geo node.
// But we need to handle all layers as 1 terrain output in Unity, with 1 height layer and
// other layers as alphamaps.
geoNode.ProcessVolumeParts(session, volumeParts, bRebuild);
// Clear the volume parts after processing since we are done with this set
volumeParts.Clear();
}
}
// Meshes
foreach (HEU_PartData part in meshParts)
{
// This returns false when there is no valid geometry or is not instancing. Should remove it as otherwise
// stale data sticks around on recook
bResult = part.GenerateMesh(session, parentAsset.GenerateUVs, parentAsset.GenerateTangents, parentAsset.GenerateNormals, parentAsset.UseLODGroups);
if (!bResult)
{
partsToDestroy.Add(part);
}
}
int numPartsToDestroy = partsToDestroy.Count;
for (int i = 0; i < numPartsToDestroy; ++i)
{
HEU_GeoNode parentNode = partsToDestroy[i].ParentGeoNode;
if (parentNode != null)
{
parentNode.RemoveAndDestroyPart(partsToDestroy[i]);
}
else
{
HEU_PartData.DestroyPart(partsToDestroy[i]);
}
}
partsToDestroy.Clear();
ApplyObjectTransformToGeoNodes();
// Set visibility and attribute-based tag, layer, and scripts
bool bIsVisible = IsVisible();
foreach (HEU_GeoNode geoNode in _geoNodes)
{
geoNode.CalculateVisiblity(bIsVisible);
geoNode.CalculateColliderState();
geoNode.SetAttributeModifiersOnPartOutputs(session);
}
// Create editable attributes.
// This should happen after visibility has been calculated above
// since we need to show/hide the intermediate geometry during painting.
foreach (HEU_PartData part in meshParts)
{
if (part.ParentGeoNode.IsIntermediateOrEditable())
{
part.SetupAttributeGeometry(session);
}
}
}
public void GenerateGeometry(HEU_SessionBase session)
{
// Volumes could come in as a geonode + part for each heightfield layer.
// Otherwise the other geo types can be done individually.
bool bResult = false;
List<HEU_PartData> meshParts = new List<HEU_PartData>();
List<HEU_PartData> volumeParts = new List<HEU_PartData>();
List<HEU_PartData> partsToDestroy = new List<HEU_PartData>();
HEU_HoudiniAsset parentAsset = ParentAsset;
foreach (HEU_GeoNode geoNode in _geoNodes)
{
geoNode.GetPartsByOutputType(meshParts, volumeParts);
}
// Meshes
foreach (HEU_PartData part in meshParts)
{
bResult = part.GenerateMesh(session, parentAsset.GenerateUVs, parentAsset.GenerateTangents, parentAsset.GenerateNormals, parentAsset.UseLODGroups);
if (!bResult)
{
partsToDestroy.Add(part);
}
}
#if TERRAIN_SUPPORTED
// Volumes
// Each layer in the volume is retrieved as a volume part, in the display geo node.
// But we need to handle all layers as 1 terrain output in Unity, with 1 height layer and
// other layers as alphamaps.
if (volumeParts.Count > 0)
{
HEU_PartData heightLayerPart = null;
HEU_VolumeCache volumeCache = new HEU_VolumeCache();
volumeCache.GenerateTerrainFromParts(session, volumeParts, ParentAsset, out heightLayerPart);
// Remove volume parts that are not the height layer (even if heightLayerPart is null)
foreach (HEU_PartData part in volumeParts)
{
if (part != heightLayerPart)
{
partsToDestroy.Add(part);
}
}
}
#endif
int numPartsToDestroy = partsToDestroy.Count;
for(int i = 0; i < numPartsToDestroy; ++i)
{
HEU_GeoNode parentNode = partsToDestroy[i].ParentGeoNode;
if (parentNode != null)
{
parentNode.RemoveAndDestroyPart(partsToDestroy[i]);
}
else
{
HEU_PartData.DestroyPart(partsToDestroy[i]);
}
}
partsToDestroy.Clear();
ApplyObjectTransformToGeoNodes();
// Set visibility
bool bIsVisible = IsVisible();
foreach (HEU_GeoNode geoNode in _geoNodes)
{
geoNode.CalculateVisiblity(bIsVisible);
}
// Create editable attributes.
// This should happen after visibility has been calculated above
// since we need to show/hide the intermediate geometry during painting.
foreach (HEU_PartData part in meshParts)
{
if (part.ParentGeoNode.IsIntermediateOrEditable())
{
part.SetupAttributeGeometry(session);
}
}
}
public void UpdateLayerFromPart(HEU_SessionBase session, HEU_PartData part)
{
HEU_GeoNode geoNode = part.ParentGeoNode;
HAPI_VolumeInfo volumeInfo = new HAPI_VolumeInfo();
bool bResult = session.GetVolumeInfo(geoNode.GeoID, part.PartID, ref volumeInfo);
if (!bResult || volumeInfo.tupleSize != 1 || volumeInfo.zLength != 1 || volumeInfo.storage != HAPI_StorageType.HAPI_STORAGETYPE_FLOAT)
{
return;
}
string volumeName = HEU_SessionManager.GetString(volumeInfo.nameSH, session);
part.SetVolumeLayerName(volumeName);
//Debug.LogFormat("Part name: {0}, GeoName: {1}, Volume Name: {2}, Display: {3}", part.PartName, geoNode.GeoName, volumeName, geoNode.Displayable);
HFLayerType layerType = HEU_TerrainUtility.GetHeightfieldLayerType(session, geoNode.GeoID, part.PartID, volumeName);
HEU_VolumeLayer layer = GetLayer(volumeName);
if (layer == null)
{
layer = new HEU_VolumeLayer();
layer._layerName = volumeName;
if (layerType == HFLayerType.HEIGHT)
{
_layers.Insert(0, layer);
}
else if (layerType != HFLayerType.MASK)
{
_layers.Add(layer);
}
}
layer._part = part;
layer._xLength = volumeInfo.xLength;
layer._yLength = volumeInfo.yLength;
layer._layerType = layerType;
if (layerType != HFLayerType.MASK)
{
GetPartLayerAttributes(session, geoNode.GeoID, part.PartID, layer);
}
if (layerType != HFLayerType.HEIGHT)
{
// Non-height parts don't have any outputs as they are simply layers carrying info
part.DestroyAllData();
}
else
{
// Height part
// Might contain terrain properties via attributes (i.e. not layer specific, but for entire terrain)
// Scatter Tree Prototypes
List<HEU_TreePrototypeInfo> treePrototypeInfos = HEU_TerrainUtility.GetTreePrototypeInfosFromPart(session, geoNode.GeoID, part.PartID);
if (treePrototypeInfos != null)
{
if (_scatterTrees == null)
{
_scatterTrees = new HEU_VolumeScatterTrees();
}
_scatterTrees._treePrototypInfos = treePrototypeInfos;
}
HEU_TerrainUtility.PopulateDetailProperties(session, geoNode.GeoID,
part.PartID, ref _detailProperties);
}
if (!_updatedLayers.Contains(layer))
{
if (layerType == HFLayerType.HEIGHT)
{
_updatedLayers.Insert(0, layer);
}
else if (layerType != HFLayerType.MASK)
{
_updatedLayers.Add(layer);
}
}
}
// LOGIC -----------------------------------------------------------------------------------------------------
public void Initialize(HEU_GeoNode ownerNode)
{
_ownerNode = ownerNode;
_geoName = ownerNode.GeoName;
_objName = ownerNode.ObjectNode.ObjectName;
}
public void UpdateLayerFromPart(HEU_SessionBase session, HEU_PartData part)
{
HEU_GeoNode geoNode = part.ParentGeoNode;
HAPI_VolumeInfo volumeInfo = new HAPI_VolumeInfo();
bool bResult = session.GetVolumeInfo(geoNode.GeoID, part.PartID, ref volumeInfo);
if (!bResult || volumeInfo.tupleSize != 1 || volumeInfo.zLength != 1 || volumeInfo.storage != HAPI_StorageType.HAPI_STORAGETYPE_FLOAT)
{
return;
}
string volumeName = HEU_SessionManager.GetString(volumeInfo.nameSH, session);
part.SetVolumeLayerName(volumeName);
//Debug.LogFormat("Part name: {0}, GeoName: {1}, Volume Name: {2}, Display: {3}", part.PartName, geoNode.GeoName, volumeName, geoNode.Displayable);
HEU_VolumeLayer.HFLayerType layerType = GetHeightfieldLayerType(session, geoNode.GeoID, part.PartID, volumeName);
HEU_VolumeLayer layer = GetLayer(volumeName);
if (layer == null)
{
layer = new HEU_VolumeLayer();
layer._layerName = volumeName;
if (layerType == HEU_VolumeLayer.HFLayerType.HEIGHT)
{
_layers.Insert(0, layer);
}
else if(layerType != HEU_VolumeLayer.HFLayerType.MASK)
{
_layers.Add(layer);
}
}
layer._part = part;
layer._xLength = volumeInfo.xLength;
layer._yLength = volumeInfo.yLength;
layer._layerType = layerType;
if (layerType != HEU_VolumeLayer.HFLayerType.MASK)
{
GetPartLayerAttributes(session, geoNode.GeoID, part.PartID, layer);
}
if (layerType != HEU_VolumeLayer.HFLayerType.HEIGHT)
{
// Non-height parts don't have any outputs as they are simply layers carrying info
part.DestroyAllData();
}
else
{
// Height part
// Might contain terrain properties via attributes (i.e. not layer specific, but for entire terrain)
// Scatter Tree Prototypes
List<HEU_TreePrototypeInfo> treePrototypeInfos = HEU_TerrainUtility.GetTreePrototypeInfosFromPart(session, geoNode.GeoID, part.PartID);
if (treePrototypeInfos != null)
{
if (_scatterTrees == null)
{
_scatterTrees = new HEU_VolumeScatterTrees();
}
_scatterTrees._treePrototypInfos = treePrototypeInfos;
}
// Detail distance
HAPI_AttributeInfo detailDistanceAttrInfo = new HAPI_AttributeInfo();
int[] detailDistances = new int[0];
HEU_GeneralUtility.GetAttribute(session, geoNode.GeoID, part.PartID,
HEU_Defines.HEIGHTFIELD_DETAIL_DISTANCE, ref detailDistanceAttrInfo, ref detailDistances,
session.GetAttributeIntData);
// Scatter Detail Resolution Per Patch (note that Detail Resolution comes from HF layer size)
HAPI_AttributeInfo resolutionPatchAttrInfo = new HAPI_AttributeInfo();
int[] resolutionPatches = new int[0];
HEU_GeneralUtility.GetAttribute(session, geoNode.GeoID, part.PartID,
HEU_Defines.HEIGHTFIELD_DETAIL_RESOLUTION_PER_PATCH, ref resolutionPatchAttrInfo,
ref resolutionPatches, session.GetAttributeIntData);
if (_detailProperties == null)
{
_detailProperties = new HEU_DetailProperties();
}
// Unity only supports 1 set of detail resolution properties per terrain
int arraySize = 1;
if (detailDistanceAttrInfo.exists && detailDistances.Length >= arraySize)
{
_detailProperties._detailDistance = detailDistances[0];
}
if (resolutionPatchAttrInfo.exists && resolutionPatches.Length >= arraySize)
{
_detailProperties._detailResolutionPerPatch = resolutionPatches[0];
}
}
if (!_updatedLayers.Contains(layer))
{
if (layerType == HEU_VolumeLayer.HFLayerType.HEIGHT)
{
_updatedLayers.Insert(0, layer);
}
else if (layerType != HEU_VolumeLayer.HFLayerType.MASK)
{
_updatedLayers.Add(layer);
}
}
}