public static Material LoadUnityMaterial(string materialPath)
{
if(materialPath.StartsWith(HEU_Defines.DEFAULT_UNITY_BUILTIN_RESOURCES))
{
return HEU_AssetDatabase.LoadUnityAssetFromUniqueAssetPath<Material>(materialPath);
}
string relativePath = materialPath;
if (relativePath.StartsWith(Application.dataPath))
{
// If absolute path, change to relative path
relativePath = HEU_AssetDatabase.GetAssetRelativePath(materialPath);
}
Material material = null;
string mainPath = null;
string subPath = null;
HEU_AssetDatabase.GetSubAssetPathFromPath(relativePath, out mainPath, out subPath);
if(subPath != null)
{
// This is a subasset. Need to find it by first loading the main asset.
Object subObject = HEU_AssetDatabase.LoadSubAssetAtPath(mainPath, subPath);
if(subObject != null)
{
material = subObject as Material;
}
}
else
{
// Try loading from Resources first
material = Resources.Load<Material>(relativePath) as Material;
if (material == null)
{
// If not in Resources, try loading from project
HEU_AssetDatabase.ImportAsset(relativePath, HEU_AssetDatabase.HEU_ImportAssetOptions.Default);
material = HEU_AssetDatabase.LoadAssetAtPath(relativePath, typeof(Material)) as Material;
}
}
return material;
}
public void PopulateInputPreset(HEU_InputPreset inputPreset)
{
inputPreset._inputObjectType = _inputObjectType;
inputPreset._inputAssetName = _inputAsset != null ? _inputAsset.name : "";
inputPreset._inputIndex = _inputIndex;
inputPreset._inputName = _inputName;
inputPreset._keepWorldTransform = _keepWorldTransform;
inputPreset._packGeometryBeforeMerging = _packGeometryBeforeMerging;
foreach (HEU_InputObjectInfo inputObject in _inputObjects)
{
HEU_InputObjectPreset inputObjectPreset = new HEU_InputObjectPreset();
if (inputObject._gameObject != null)
{
inputObjectPreset._gameObjectName = inputObject._gameObject.name;
// Tag whether scene or project input object
inputObjectPreset._isSceneObject = !HEU_GeneralUtility.IsGameObjectInProject(inputObject._gameObject);
if (!inputObjectPreset._isSceneObject)
{
// For inputs in project, use the project path as name
inputObjectPreset._gameObjectName = HEU_AssetDatabase.GetAssetOrScenePath(inputObject._gameObject);
}
}
else
{
inputObjectPreset._gameObjectName = "";
}
inputObjectPreset._useTransformOffset = inputObject._useTransformOffset;
inputObjectPreset._translateOffset = inputObject._translateOffset;
inputObjectPreset._rotateOffset = inputObject._rotateOffset;
inputObjectPreset._scaleOffset = inputObject._scaleOffset;
inputPreset._inputObjectPresets.Add(inputObjectPreset);
}
}
/// <summary>
/// Returns the valid relative path if the given path is under the project Assets/ directory.
/// If not, it returns the given path as is, but warns the user that the path is outside the project
/// and therefore not safe to use if the project changes location on another workstation (eg. source control).
/// </summary>
/// <param name="inPath">Path to validate.</param>
/// <returns>Relative path to project Assets/ folder, or just returns the path as is if outside the project.</returns>
public static string GetValidRelativePath(string inPath)
{
// If the selected path is outside the project directory, warn user
// If inside project, make sure its relative (for version control and multi-user projects)
if (!HEU_AssetDatabase.IsPathRelativeToAssets(inPath))
{
string relativePath = HEU_AssetDatabase.GetAssetRelativePath(inPath);
if (string.IsNullOrEmpty(relativePath))
{
string message = string.Format("Path: {0} is outside the project!\n This is not recommended if using version control or for multi-user projects.",
inPath);
Debug.LogWarning(message);
}
else
{
inPath = relativePath;
}
}
return inPath;
}
private void DestroyOutputs()
{
if (_generatedOutputs != null)
{
for (int i = 0; i < _generatedOutputs.Count; ++i)
{
HEU_GeneratedOutput.DestroyGeneratedOutput(_generatedOutputs[i]);
_generatedOutputs[i] = null;
}
_generatedOutputs.Clear();
}
if (_outputCacheFilePaths != null && _outputCacheFilePaths.Count > 0)
{
foreach(string filepath in _outputCacheFilePaths)
{
HEU_AssetDatabase.DeleteAssetAtPath(filepath);
}
_outputCacheFilePaths.Clear();
}
}
public static void CreateAddObjectInAssetCacheFolder(string assetName, string assetObjectFileName, UnityEngine.Object objectToAdd, ref string bakedAssetPath, ref UnityEngine.Object assetDBObject)
{
#if UNITY_EDITOR
if (string.IsNullOrEmpty(bakedAssetPath))
{
bakedAssetPath = HEU_AssetDatabase.CreateUniqueBakePath(assetName);
}
if (assetDBObject == null)
{
HEU_AssetDatabase.CreateObjectInAssetCacheFolder(objectToAdd, bakedAssetPath, assetObjectFileName, objectToAdd.GetType());
assetDBObject = objectToAdd;
}
else
{
HEU_AssetDatabase.AddObjectToAsset(objectToAdd, assetDBObject);
}
#else
// TODO RUNTIME: AssetDatabase is not supported at runtime. Do we need to support this for runtime?
Debug.LogWarning(HEU_Defines.HEU_USERMSG_NONEDITOR_NOT_SUPPORTED);
#endif
}
/// <summary>
/// Destroy any terrain components and data on given gameObject.
/// </summary>
/// <param name="gameObject"></param>
public static void DestroyTerrainComponents(GameObject gameObject)
{
if(gameObject == null)
{
return;
}
Terrain terrain = gameObject.GetComponent<Terrain>();
if(terrain != null)
{
if (terrain.terrainData != null)
{
HEU_AssetDatabase.DeleteAsset(terrain.terrainData);
HEU_GeneralUtility.DestroyImmediate(terrain.terrainData, true);
terrain.terrainData = null;
}
DestroyImmediate(terrain);
}
DestroyComponent<TerrainCollider>(gameObject);
}
public static Material LoadUnityMaterial(string materialPath)
{
if(materialPath.StartsWith(HEU_Defines.DEFAULT_UNITY_BUILTIN_RESOURCES))
{
return HEU_AssetDatabase.LoadUnityAssetFromUniqueAssetPath<Material>(materialPath);
}
string relativePath = materialPath;
if (relativePath.StartsWith(Application.dataPath))
{
// If absolute path, change to relative path
relativePath = HEU_AssetDatabase.GetAssetRelativePath(materialPath);
}
// Try loading from Resources first
Material material = Resources.Load<Material>(relativePath) as Material;
if(material == null)
{
// If not in Resources, try loading from project
HEU_AssetDatabase.ImportAsset(relativePath, HEU_AssetDatabase.HEU_ImportAssetOptions.Default);
material = HEU_AssetDatabase.LoadAssetAtPath(relativePath, typeof(Material)) as Material;
}
return material;
}
public static Material GetNewMaterialWithShader(string assetCacheFolderPath, string shaderName, string materialName = "", bool bWriteToFile = true)
{
Material material = null;
Shader shader = FindShader(shaderName);
if (shader != null)
{
material = new Material(shader);
if (materialName == null || materialName.Length == 0)
{
material.name = shaderName;
}
else
{
material.name = materialName;
}
if (bWriteToFile && !string.IsNullOrEmpty(assetCacheFolderPath))
{
string materialFileName = materialName + ".mat";
HEU_AssetDatabase.CreateObjectInAssetCacheFolder(material, assetCacheFolderPath, materialFileName, typeof(Material));
}
}
return material;
}
/// <summary>
/// Returns HEU_UploadMeshData with mesh data found on meshGameObject.
/// </summary>
/// <param name="meshGameObject">The GameObject to query mesh data from</param>
/// <returns>A valid HEU_UploadMeshData if mesh data found or null</returns>
public static HEU_InputDataMesh CreateSingleMeshData(GameObject meshGameObject)
{
HEU_InputDataMesh meshData = new HEU_InputDataMesh();
MeshFilter meshfilter = meshGameObject.GetComponent<MeshFilter>();
if (meshfilter == null)
{
return null;
}
if (meshfilter.sharedMesh == null)
{
return null;
}
meshData._mesh = meshfilter.sharedMesh;
meshData._numVertices = meshData._mesh.vertexCount;
meshData._numSubMeshes = meshData._mesh.subMeshCount;
meshData._meshName = meshGameObject.name;
meshData._meshPath = HEU_AssetDatabase.GetAssetOrScenePath(meshGameObject);
if (string.IsNullOrEmpty(meshData._meshPath))
{
meshData._meshPath = meshGameObject.name;
}
MeshRenderer meshRenderer = meshGameObject.GetComponent<MeshRenderer>();
if (meshRenderer != null)
{
meshData._materials = meshRenderer.sharedMaterials;
}
meshData._transform = meshGameObject.transform;
return meshData;
}
public static void BakeGameObjectComponents(GameObject sourceGO, GameObject targetGO, string assetName, string outputPath, bool bIsInstancer)
{
UnityEngine.Object assetDBObject = null;
Dictionary<Mesh, Mesh> sourceToTargetMeshMap = new Dictionary<Mesh, Mesh>();
Dictionary<Material, Material> sourceToCopiedMaterials = new Dictionary<Material, Material>();
string newAssetDBObjectFileName = HEU_AssetDatabase.AppendMeshesAssetFileName(assetName);
HEU_PartData.BakePartToGameObject(
partData: null,
srcGO: sourceGO,
targetGO: targetGO,
assetName: assetName,
bIsInstancer: bIsInstancer,
bDeleteExistingComponents: false, // Materials might be overwritten if true
bDontDeletePersistantResources: false,
bWriteMeshesToAssetDatabase: true,
bakedAssetPath: ref outputPath,
sourceToTargetMeshMap,
sourceToCopiedMaterials,
assetDBObject: ref assetDBObject,
assetObjectFileName: newAssetDBObjectFileName,
bReconnectPrefabInstances: false,
bKeepPreviousTransformValues: false );
}
public void LoadPreset(HEU_SessionBase session, HEU_InputPreset inputPreset)
{
ResetInputNode(session);
ChangeInputType(session, inputPreset._inputObjectType);
if (inputPreset._inputObjectType == InputObjectType.UNITY_MESH)
{
bool bSet = false;
int numObjects = inputPreset._inputObjectPresets.Count;
for (int i = 0; i < numObjects; ++i)
{
bSet = false;
if (!string.IsNullOrEmpty(inputPreset._inputObjectPresets[i]._gameObjectName))
{
GameObject inputGO = null;
if (inputPreset._inputObjectPresets[i]._isSceneObject)
{
inputGO = HEU_GeneralUtility.GetGameObjectByNameInScene(inputPreset._inputObjectPresets[i]._gameObjectName);
}
else
{
// Use the _gameObjectName as path to find in scene
inputGO = HEU_AssetDatabase.LoadAssetAtPath(inputPreset._inputObjectPresets[i]._gameObjectName, typeof(GameObject)) as GameObject;
if (inputGO == null)
{
Debug.LogErrorFormat("Unable to find input at {0}", inputPreset._inputObjectPresets[i]._gameObjectName);
}
}
if (inputGO != null)
{
HEU_InputObjectInfo inputObject = InternalAddInputObjectAtEnd(inputGO);
bSet = true;
inputObject._useTransformOffset = inputPreset._inputObjectPresets[i]._useTransformOffset;
inputObject._translateOffset = inputPreset._inputObjectPresets[i]._translateOffset;
inputObject._rotateOffset = inputPreset._inputObjectPresets[i]._rotateOffset;
inputObject._scaleOffset = inputPreset._inputObjectPresets[i]._scaleOffset;
}
else
{
Debug.LogWarningFormat("Gameobject with name {0} not found. Unable to set input object.", inputPreset._inputAssetName);
}
}
if (!bSet)
{
// Add dummy spot (user can replace it manually)
InternalAddInputObjectAtEnd(null);
}
}
}
else if (inputPreset._inputObjectType == HEU_InputNode.InputObjectType.HDA)
{
bool bSet = false;
int numInptus = inputPreset._inputAssetPresets.Count;
for (int i = 0; i < numInptus; ++i)
{
bSet = false;
if (!string.IsNullOrEmpty(inputPreset._inputAssetPresets[i]._gameObjectName))
{
bSet = FindAddToInputHDA(inputPreset._inputAssetPresets[i]._gameObjectName);
}
if (!bSet)
{
// Couldn't add for some reason, so just add dummy spot (user can replace it manually)
InternalAddInputHDAAtEnd(null);
}
}
if (numInptus == 0 && !string.IsNullOrEmpty(inputPreset._inputAssetName))
{
// Old preset. Add it to input
FindAddToInputHDA(inputPreset._inputAssetName);
}
}
KeepWorldTransform = inputPreset._keepWorldTransform;
PackGeometryBeforeMerging = inputPreset._packGeometryBeforeMerging;
RequiresUpload = true;
ClearUICache();
}
/// <summary>
/// Upload the given list of mesh data in uploadMeshes into node with inputNodeID.
/// If the source was a LOD group, then group names are assigned to the geometry.
/// </summary>
/// <param name="session">Session to upload to</param>
/// <param name="inputNodeID">The ID of the input node to upload into</param>
/// <param name="uploadMeshes">List of mesh data</param>
/// <param name="bHasLODGroup">Whether the source was a LOD group and therefore treat it specially</param>
/// <returns></returns>
public static bool UploadInputMeshData(HEU_SessionBase session, HAPI_NodeId inputNodeID, List<HEU_UploadMeshData> uploadMeshes, bool bHasLODGroup)
{
List<Vector3> vertices = new List<Vector3>();
List<Vector3> normals = new List<Vector3>();
List<Vector2> uvs = new List<Vector2>();
List<Color> colors = new List<Color>();
List<int> triIndexList = new List<int>();
int numMaterials = 0;
// Accumulate vertices, normals, uvs, colors, and indices.
// Keep track of indices start and count for each mesh for later when uploading material assignments and groups.
// Indices need to be reindexed with vertex offset as we accumulate vertices.
int numMeshes = uploadMeshes.Count;
for (int i = 0; i < numMeshes; ++i)
{
int vertexOffset = vertices.Count;
vertices.AddRange(uploadMeshes[i]._mesh.vertices);
normals.AddRange(uploadMeshes[i]._mesh.normals);
uvs.AddRange(uploadMeshes[i]._mesh.uv);
colors.AddRange(uploadMeshes[i]._mesh.colors);
uploadMeshes[i]._indexStart = new uint[uploadMeshes[i]._numSubMeshes];
uploadMeshes[i]._indexCount = new uint[uploadMeshes[i]._numSubMeshes];
for (int j = 0; j < uploadMeshes[i]._numSubMeshes; ++j)
{
int indexStart = triIndexList.Count;
// Indices have to be re-indexed with our own offset
int[] meshIndices = uploadMeshes[i]._mesh.GetTriangles(j);
int numIndices = meshIndices.Length;
for (int k = 0; k < numIndices; ++k)
{
triIndexList.Add(vertexOffset + meshIndices[k]);
}
uploadMeshes[i]._indexStart[j] = (uint)indexStart;
uploadMeshes[i]._indexCount[j] = (uint)(triIndexList.Count) - uploadMeshes[i]._indexStart[j];
}
numMaterials += uploadMeshes[i]._materials != null ? uploadMeshes[i]._materials.Length : 0;
}
// It is possible for some meshes to not have normals/uvs/colors while others do.
// In the case where an attribute is missing on some meshes, we clear out those attributes so we don't upload
// partial attribute data.
int numVertices = vertices.Count;
if (normals.Count != numVertices)
{
normals = null;
}
if (uvs.Count != numVertices)
{
uvs = null;
}
if (colors.Count != numVertices)
{
colors = null;
}
HAPI_PartInfo partInfo = new HAPI_PartInfo();
partInfo.faceCount = triIndexList.Count / 3;
partInfo.vertexCount = triIndexList.Count;
partInfo.pointCount = vertices.Count;
partInfo.pointAttributeCount = 1;
partInfo.vertexAttributeCount = 0;
partInfo.primitiveAttributeCount = 0;
partInfo.detailAttributeCount = 0;
if (normals != null && normals.Count > 0)
{
partInfo.vertexAttributeCount++;
}
if (uvs != null && uvs.Count > 0)
{
partInfo.vertexAttributeCount++;
}
if (colors != null && colors.Count > 0)
{
partInfo.vertexAttributeCount++;
}
if (numMaterials > 0)
{
partInfo.primitiveAttributeCount++;
}
if (numMeshes > 0)
{
partInfo.primitiveAttributeCount++;
}
if (bHasLODGroup)
{
partInfo.primitiveAttributeCount++;
partInfo.detailAttributeCount++;
}
HAPI_GeoInfo displayGeoInfo = new HAPI_GeoInfo();
if (!session.GetDisplayGeoInfo(inputNodeID, ref displayGeoInfo))
{
return false;
}
HAPI_NodeId displayNodeID = displayGeoInfo.nodeId;
if (!session.SetPartInfo(displayNodeID, 0, ref partInfo))
{
return false;
}
int[] faceCounts = new int[partInfo.faceCount];
for (int i = 0; i < partInfo.faceCount; ++i)
{
faceCounts[i] = 3;
}
int[] triIndices = triIndexList.ToArray();
if (!HEU_GeneralUtility.SetArray2Arg(displayNodeID, 0, session.SetFaceCount, faceCounts, 0, partInfo.faceCount))
{
return false;
}
if (!HEU_GeneralUtility.SetArray2Arg(displayNodeID, 0, session.SetVertexList, triIndices, 0, partInfo.vertexCount))
{
return false;
}
if (!SetMeshPointAttribute(session, displayNodeID, 0, HEU_Defines.HAPI_ATTRIB_POSITION, 3, vertices.ToArray(), ref partInfo, true))
{
return false;
}
//if(normals != null && !SetMeshPointAttribute(session, displayNodeID, 0, HEU_Defines.HAPI_ATTRIB_NORMAL, 3, normals, ref partInfo, true))
if (normals != null && !SetMeshVertexAttribute(session, displayNodeID, 0, HEU_Defines.HAPI_ATTRIB_NORMAL, 3, normals.ToArray(), triIndices, ref partInfo, true))
{
return false;
}
if (uvs != null && uvs.Count > 0)
{
Vector3[] uvs3 = new Vector3[uvs.Count];
for (int i = 0; i < uvs.Count; ++i)
{
uvs3[i][0] = uvs[i][0];
uvs3[i][1] = uvs[i][1];
uvs3[i][2] = 0;
}
//if(!SetMeshPointAttribute(session, displayNodeID, 0, HEU_Defines.HAPI_ATTRIB_UV, 3, uvs3, ref partInfo, false))
if (!SetMeshVertexAttribute(session, displayNodeID, 0, HEU_Defines.HAPI_ATTRIB_UV, 3, uvs3, triIndices, ref partInfo, false))
{
return false;
}
}
if (colors != null && colors.Count > 0)
{
Vector3[] rgb = new Vector3[colors.Count];
float[] alpha = new float[colors.Count];
for (int i = 0; i < colors.Count; ++i)
{
rgb[i][0] = colors[i].r;
rgb[i][1] = colors[i].g;
rgb[i][2] = colors[i].b;
alpha[i] = colors[i].a;
}
//if(!SetMeshPointAttribute(session, displayNodeID, 0, HEU_Defines.HAPI_ATTRIB_COLOR, 3, rgb, ref partInfo, false))
if (!SetMeshVertexAttribute(session, displayNodeID, 0, HEU_Defines.HAPI_ATTRIB_COLOR, 3, rgb, triIndices, ref partInfo, false))
{
return false;
}
//if(!SetMeshPointAttribute(session, displayNodeID, 0, HEU_Defines.HAPI_ATTRIB_ALPHA, 1, alpha, ref partInfo, false))
if (!SetMeshVertexFloatAttribute(session, displayNodeID, 0, HEU_Defines.HAPI_ATTRIB_ALPHA, 1, alpha, triIndices, ref partInfo))
{
return false;
}
}
// Set material names for round-trip perservation of material assignment
// Each HEU_UploadMeshData might have a list of submeshes and materials
// These are all combined into a single mesh, with group names
if (numMaterials > 0)
{
bool bFoundAtleastOneValidMaterial = false;
string[] materialIDs = new string[partInfo.faceCount];
for (int g = 0; g < uploadMeshes.Count; ++g)
{
if (uploadMeshes[g]._numSubMeshes != uploadMeshes[g]._materials.Length)
{
// Number of submeshes should equal number of materials since materials determine submeshes
continue;
}
for (int i = 0; i < uploadMeshes[g]._materials.Length; ++i)
{
string materialName = HEU_AssetDatabase.GetAssetPath(uploadMeshes[g]._materials[i]);
if (materialName == null)
{
materialName = "";
}
else if (materialName.StartsWith(HEU_Defines.DEFAULT_UNITY_BUILTIN_RESOURCES))
{
materialName = HEU_AssetDatabase.GetUniqueAssetPathForUnityAsset(uploadMeshes[g]._materials[i]);
}
bFoundAtleastOneValidMaterial |= !string.IsNullOrEmpty(materialName);
int faceStart = (int)uploadMeshes[g]._indexStart[i] / 3;
int faceEnd = faceStart + ((int)uploadMeshes[g]._indexCount[i] / 3);
for (int m = faceStart; m < faceEnd; ++m)
{
materialIDs[m] = materialName;
}
}
}
if (bFoundAtleastOneValidMaterial)
{
HAPI_AttributeInfo materialIDAttrInfo = new HAPI_AttributeInfo();
materialIDAttrInfo.exists = true;
materialIDAttrInfo.owner = HAPI_AttributeOwner.HAPI_ATTROWNER_PRIM;
materialIDAttrInfo.storage = HAPI_StorageType.HAPI_STORAGETYPE_STRING;
materialIDAttrInfo.count = partInfo.faceCount;
materialIDAttrInfo.tupleSize = 1;
materialIDAttrInfo.originalOwner = HAPI_AttributeOwner.HAPI_ATTROWNER_INVALID;
if (!session.AddAttribute(displayNodeID, 0, HEU_PluginSettings.UnityMaterialAttribName, ref materialIDAttrInfo))
{
return false;
}
if (!session.SetAttributeStringData(displayNodeID, 0, HEU_PluginSettings.UnityMaterialAttribName, ref materialIDAttrInfo, materialIDs, 0, partInfo.faceCount))
{
return false;
}
}
}
// Set mesh name attribute
HAPI_AttributeInfo attrInfo = new HAPI_AttributeInfo();
attrInfo.exists = true;
attrInfo.owner = HAPI_AttributeOwner.HAPI_ATTROWNER_PRIM;
attrInfo.storage = HAPI_StorageType.HAPI_STORAGETYPE_STRING;
attrInfo.count = partInfo.faceCount;
attrInfo.tupleSize = 1;
attrInfo.originalOwner = HAPI_AttributeOwner.HAPI_ATTROWNER_INVALID;
if (session.AddAttribute(displayNodeID, 0, HEU_PluginSettings.UnityInputMeshAttr, ref attrInfo))
{
string[] primitiveNameAttr = new string[partInfo.faceCount];
for (int g = 0; g < uploadMeshes.Count; ++g)
{
for (int i = 0; i < uploadMeshes[g]._numSubMeshes; ++i)
{
int faceStart = (int)uploadMeshes[g]._indexStart[i] / 3;
int faceEnd = faceStart + ((int)uploadMeshes[g]._indexCount[i] / 3);
for (int m = faceStart; m < faceEnd; ++m)
{
primitiveNameAttr[m] = uploadMeshes[g]._meshPath;
}
}
}
if (!session.SetAttributeStringData(displayNodeID, 0, HEU_PluginSettings.UnityInputMeshAttr, ref attrInfo, primitiveNameAttr, 0, partInfo.faceCount))
{
return false;
}
}
else
{
return false;
}
// Set LOD group membership
if (bHasLODGroup)
{
int[] membership = new int[partInfo.faceCount];
for (int g = 0; g < uploadMeshes.Count; ++g)
{
if (g > 0)
{
// Clear array
for (int m = 0; m < partInfo.faceCount; ++m)
{
membership[m] = 0;
}
}
// Set 1 for faces belonging to this group
for (int s = 0; s < uploadMeshes[g]._numSubMeshes; ++s)
{
int faceStart = (int)uploadMeshes[g]._indexStart[s] / 3;
int faceEnd = faceStart + ((int)uploadMeshes[g]._indexCount[s] / 3);
for (int m = faceStart; m < faceEnd; ++m)
{
membership[m] = 1;
}
}
if (!session.AddGroup(displayNodeID, 0, HAPI_GroupType.HAPI_GROUPTYPE_PRIM, uploadMeshes[g]._meshName))
{
return false;
}
if (!session.SetGroupMembership(displayNodeID, 0, HAPI_GroupType.HAPI_GROUPTYPE_PRIM, uploadMeshes[g]._meshName, membership, 0, partInfo.faceCount))
{
return false;
}
}
}
return session.CommitGeo(displayNodeID);
}
private void GenerateTerrain(List<HEU_LoadBufferVolume> terrainBuffers)
{
Transform parent = this.gameObject.transform;
// Directory to store generated terrain files.
string outputTerrainpath = GetOutputCacheDirectory();
outputTerrainpath = HEU_Platform.BuildPath(outputTerrainpath, "Terrain");
int numVolumes = terrainBuffers.Count;
for(int t = 0; t < numVolumes; ++t)
{
if (terrainBuffers[t]._heightMap != null)
{
GameObject newGameObject = new GameObject("heightfield_" + terrainBuffers[t]._tileIndex);
Transform newTransform = newGameObject.transform;
newTransform.parent = parent;
HEU_GeneratedOutput generatedOutput = new HEU_GeneratedOutput();
generatedOutput._outputData._gameObject = newGameObject;
Terrain terrain = HEU_GeneralUtility.GetOrCreateComponent<Terrain>(newGameObject);
TerrainCollider collider = HEU_GeneralUtility.GetOrCreateComponent<TerrainCollider>(newGameObject);
if (!string.IsNullOrEmpty(terrainBuffers[t]._terrainDataPath))
{
// Load the source TerrainData, then make a unique copy of it in the cache folder
TerrainData sourceTerrainData = HEU_AssetDatabase.LoadAssetAtPath(terrainBuffers[t]._terrainDataPath, typeof(TerrainData)) as TerrainData;
if (sourceTerrainData == null)
{
Debug.LogWarningFormat("TerrainData, set via attribute, not found at: {0}", terrainBuffers[t]._terrainDataPath);
}
terrain.terrainData = HEU_AssetDatabase.CopyUniqueAndLoadAssetAtAnyPath(sourceTerrainData, outputTerrainpath, typeof(TerrainData)) as TerrainData;
if (terrain.terrainData != null)
{
// Store path so that it can be deleted on clean up
AddGeneratedOutputFilePath(HEU_AssetDatabase.GetAssetPath(terrain.terrainData));
}
}
if (terrain.terrainData == null)
{
terrain.terrainData = new TerrainData();
}
TerrainData terrainData = terrain.terrainData;
collider.terrainData = terrainData;
HEU_TerrainUtility.SetTerrainMaterial(terrain, terrainBuffers[t]._specifiedTerrainMaterialName);
#if UNITY_2018_3_OR_NEWER
terrain.allowAutoConnect = true;
// This has to be set after setting material
terrain.drawInstanced = true;
#endif
int heightMapSize = terrainBuffers[t]._heightMapWidth;
terrainData.heightmapResolution = heightMapSize;
if (terrainData.heightmapResolution != heightMapSize)
{
Debug.LogErrorFormat("Unsupported terrain size: {0}", heightMapSize);
continue;
}
// The terrainData.baseMapResolution is not set here, but rather left to whatever default Unity uses
// The terrainData.alphamapResolution is set later when setting the alphamaps.
// 32 is the default for resolutionPerPatch
const int detailResolution = 1024;
const int resolutionPerPatch = 32;
terrainData.SetDetailResolution(detailResolution, resolutionPerPatch);
terrainData.SetHeights(0, 0, terrainBuffers[t]._heightMap);
// Note that Unity uses a default height range of 600 when a flat terrain is created.
// Without a non-zero value for the height range, user isn't able to draw heights.
// Therefore, set 600 as the value if height range is currently 0 (due to flat heightfield).
float heightRange = terrainBuffers[t]._heightRange;
if (heightRange == 0)
{
heightRange = 600;
}
terrainData.size = new Vector3(terrainBuffers[t]._terrainSizeX, heightRange, terrainBuffers[t]._terrainSizeY);
terrain.Flush();
// Set position
HAPI_Transform hapiTransformVolume = new HAPI_Transform(true);
hapiTransformVolume.position[0] += terrainBuffers[t]._position[0];
hapiTransformVolume.position[1] += terrainBuffers[t]._position[1];
hapiTransformVolume.position[2] += terrainBuffers[t]._position[2];
HEU_HAPIUtility.ApplyLocalTransfromFromHoudiniToUnity(ref hapiTransformVolume, newTransform);
// Set layers
Texture2D defaultTexture = HEU_VolumeCache.LoadDefaultSplatTexture();
int numLayers = terrainBuffers[t]._splatLayers.Count;
#if UNITY_2018_3_OR_NEWER
// Create TerrainLayer for each heightfield layer.
// Note that height and mask layers are ignored (i.e. not created as TerrainLayers).
// Since height layer is first, only process layers from 2nd index onwards.
if (numLayers > 1)
{
// Keep existing TerrainLayers, and either update or append to them
TerrainLayer[] existingTerrainLayers = terrainData.terrainLayers;
// Total layers are existing layers + new alpha maps
List<TerrainLayer> finalTerrainLayers = new List<TerrainLayer>(existingTerrainLayers);
for (int m = 1; m < numLayers; ++m)
{
TerrainLayer terrainlayer = null;
int terrainLayerIndex = -1;
bool bSetTerrainLayerProperties = true;
HEU_LoadBufferVolumeLayer layer = terrainBuffers[t]._splatLayers[m];
// Look up TerrainLayer file via attribute if user has set it
if (!string.IsNullOrEmpty(layer._layerPath))
{
terrainlayer = HEU_AssetDatabase.LoadAssetAtPath(layer._layerPath, typeof(TerrainLayer)) as TerrainLayer;
if (terrainlayer == null)
{
Debug.LogWarningFormat("TerrainLayer, set via attribute, not found at: {0}", layer._layerPath);
continue;
}
else
{
// Always check if its part of existing list so as not to add it again
terrainLayerIndex = HEU_TerrainUtility.GetTerrainLayerIndex(terrainlayer, existingTerrainLayers);
}
}
if (terrainlayer == null)
{
terrainlayer = new TerrainLayer();
terrainLayerIndex = finalTerrainLayers.Count;
finalTerrainLayers.Add(terrainlayer);
}
else
{
// For existing TerrainLayer, make a copy of it if it has custom layer attributes
// because we don't want to change the original TerrainLayer.
if (layer._hasLayerAttributes && terrainLayerIndex >= 0)
{
// Copy the TerrainLayer file
TerrainLayer prevTerrainLayer = terrainlayer;
terrainlayer = HEU_AssetDatabase.CopyAndLoadAssetAtAnyPath(terrainlayer, outputTerrainpath, typeof(TerrainLayer), true) as TerrainLayer;
if (terrainlayer != null)
{
// Update the TerrainLayer reference in the list with this copy
finalTerrainLayers[terrainLayerIndex] = terrainlayer;
// Store path for clean up later
AddGeneratedOutputFilePath(HEU_AssetDatabase.GetAssetPath(terrainlayer));
}
else
{
Debug.LogErrorFormat("Unable to copy TerrainLayer '{0}' for generating Terrain. "
+ "Using original TerrainLayer. Will not be able to set any TerrainLayer properties.", layer._layerName);
terrainlayer = prevTerrainLayer;
bSetTerrainLayerProperties = false;
// Again, continuing on to keep proper indexing.
}
}
}
if (bSetTerrainLayerProperties)
{
if (!string.IsNullOrEmpty(layer._diffuseTexturePath))
{
terrainlayer.diffuseTexture = HEU_MaterialFactory.LoadTexture(layer._diffuseTexturePath);
}
if (terrainlayer.diffuseTexture == null)
{
terrainlayer.diffuseTexture = defaultTexture;
}
terrainlayer.diffuseRemapMin = Vector4.zero;
terrainlayer.diffuseRemapMax = Vector4.one;
if (!string.IsNullOrEmpty(layer._maskTexturePath))
{
terrainlayer.maskMapTexture = HEU_MaterialFactory.LoadTexture(layer._maskTexturePath);
}
terrainlayer.maskMapRemapMin = Vector4.zero;
terrainlayer.maskMapRemapMax = Vector4.one;
terrainlayer.metallic = layer._metallic;
if (!string.IsNullOrEmpty(layer._normalTexturePath))
{
terrainlayer.normalMapTexture = HEU_MaterialFactory.LoadTexture(layer._normalTexturePath);
}
terrainlayer.normalScale = layer._normalScale;
terrainlayer.smoothness = layer._smoothness;
terrainlayer.specular = layer._specularColor;
terrainlayer.tileOffset = layer._tileOffset;
if (layer._tileSize.magnitude == 0f && terrainlayer.diffuseTexture != null)
{
// Use texture size if tile size is 0
layer._tileSize = new Vector2(terrainlayer.diffuseTexture.width, terrainlayer.diffuseTexture.height);
}
terrainlayer.tileSize = layer._tileSize;
}
}
terrainData.terrainLayers = finalTerrainLayers.ToArray();
}
#else
// Need to create SplatPrototype for each layer in heightfield, representing the textures.
SplatPrototype[] splatPrototypes = new SplatPrototype[numLayers];
for (int m = 0; m < numLayers; ++m)
{
splatPrototypes[m] = new SplatPrototype();
HEU_LoadBufferVolumeLayer layer = terrainBuffers[t]._splatLayers[m];
Texture2D diffuseTexture = null;
if (!string.IsNullOrEmpty(layer._diffuseTexturePath))
{
diffuseTexture = HEU_MaterialFactory.LoadTexture(layer._diffuseTexturePath);
}
if (diffuseTexture == null)
{
diffuseTexture = defaultTexture;
}
splatPrototypes[m].texture = diffuseTexture;
splatPrototypes[m].tileOffset = layer._tileOffset;
if (layer._tileSize.magnitude == 0f && diffuseTexture != null)
{
// Use texture size if tile size is 0
layer._tileSize = new Vector2(diffuseTexture.width, diffuseTexture.height);
}
splatPrototypes[m].tileSize = layer._tileSize;
splatPrototypes[m].metallic = layer._metallic;
splatPrototypes[m].smoothness = layer._smoothness;
if (!string.IsNullOrEmpty(layer._normalTexturePath))
{
splatPrototypes[m].normalMap = HEU_MaterialFactory.LoadTexture(layer._normalTexturePath);
}
}
terrainData.splatPrototypes = splatPrototypes;
#endif
// Set the splatmaps
if (terrainBuffers[t]._splatMaps != null)
{
// Set the alphamap size before setting the alphamaps to get correct scaling
// The alphamap size comes from the first alphamap layer
int alphamapResolution = terrainBuffers[t]._heightMapWidth;
if (numLayers > 1)
{
alphamapResolution = terrainBuffers[t]._splatLayers[1]._heightMapWidth;
}
terrainData.alphamapResolution = alphamapResolution;
terrainData.SetAlphamaps(0, 0, terrainBuffers[t]._splatMaps);
}
// Set the tree scattering
if (terrainBuffers[t]._scatterTrees != null)
{
HEU_TerrainUtility.ApplyScatterTrees(terrainData, terrainBuffers[t]._scatterTrees);
}
// Set the detail layers
if (terrainBuffers[t]._detailPrototypes != null)
{
HEU_TerrainUtility.ApplyDetailLayers(terrain, terrainData, terrainBuffers[t]._detailProperties,
terrainBuffers[t]._detailPrototypes, terrainBuffers[t]._detailMaps);
}
terrainBuffers[t]._generatedOutput = generatedOutput;
_generatedOutputs.Add(generatedOutput);
SetOutputVisiblity(terrainBuffers[t]);
}
}
}
/// <summary>
/// Returns HEU_UploadMeshData with mesh data found on meshGameObject.
/// </summary>
/// <param name="meshGameObject">The GameObject to query mesh data from</param>
/// <returns>A valid HEU_UploadMeshData if mesh data found or null</returns>
public static HEU_InputDataMesh CreateSingleMeshData(GameObject meshGameObject, bool bExportColliders)
{
HEU_InputDataMesh meshData = new HEU_InputDataMesh();
if (meshGameObject == null)
{
return null;
}
Mesh sharedMesh = GetMeshFromObject(meshGameObject);
if (sharedMesh == null)
{
return null;
}
meshData._mesh = sharedMesh;
meshData._numVertices = meshData._mesh.vertexCount;
meshData._numSubMeshes = meshData._mesh.subMeshCount;
meshData._meshName = meshGameObject.name;
// Use project path is not saved in scene, otherwise just use name
if (HEU_GeneralUtility.IsGameObjectInProject(meshGameObject))
{
meshData._meshPath = HEU_AssetDatabase.GetAssetOrScenePath(meshGameObject);
if (string.IsNullOrEmpty(meshData._meshPath))
{
meshData._meshPath = meshGameObject.name;
}
}
else
{
meshData._meshPath = meshGameObject.name;
}
//HEU_Logger.Log("Mesh Path: " + meshData._meshPath);
MeshRenderer meshRenderer = meshGameObject.GetComponent<MeshRenderer>();
if (meshRenderer != null)
{
meshData._materials = meshRenderer.sharedMaterials;
}
meshData._transform = meshGameObject.transform;
if (bExportColliders && meshGameObject != null)
{
meshData._colliders = new List<HEU_InputDataCollider>();
Collider[] colliders = meshGameObject.GetComponents<Collider>();
if (colliders != null)
{
for (int i = 0; i < colliders.Length; i++)
{
Collider collider = colliders[i];
if (collider == null) continue;
HEU_InputDataCollider newCollider = new HEU_InputDataCollider();
newCollider._collider = collider;
if (collider.GetType() == typeof(BoxCollider))
{
newCollider._colliderType = HEU_InputColliderType.BOX;
}
else if (collider.GetType() == typeof(SphereCollider))
{
newCollider._colliderType = HEU_InputColliderType.SPHERE;
}
else if (collider.GetType() == typeof(CapsuleCollider))
{
newCollider._colliderType = HEU_InputColliderType.CAPSULE;
}
else if (collider.GetType() == typeof(MeshCollider))
{
newCollider._colliderType = HEU_InputColliderType.MESH;
}
else
{
HEU_Logger.LogWarningFormat("Collider type not supported: {0}", meshGameObject.name);
newCollider._collider = null;
newCollider._colliderType = HEU_InputColliderType.NONE;
}
if (newCollider._colliderType != HEU_InputColliderType.NONE)
{
meshData._colliders.Add(newCollider);
}
}
}
}
return meshData;
}
private void GenerateInstancesFromNodeIDs(HAPI_NodeId cookNodeId, HEU_LoadBufferInstancer instancerBuffer, Dictionary <HAPI_NodeId, HEU_LoadBufferBase> idBuffersMap,
Transform instanceRootTransform)
{
// For single collision geo override
GameObject singleCollisionGO = null;
// For multi collision geo overrides, keep track of loaded objects
Dictionary <string, GameObject> loadedCollisionObjectMap = new Dictionary <string, GameObject>();
if (instancerBuffer._collisionAssetPaths != null && instancerBuffer._collisionAssetPaths.Length == 1)
{
// Single collision override
if (!string.IsNullOrEmpty(instancerBuffer._collisionAssetPaths[0]))
{
HEU_AssetDatabase.ImportAsset(instancerBuffer._collisionAssetPaths[0], HEU_AssetDatabase.HEU_ImportAssetOptions.Default);
singleCollisionGO = HEU_AssetDatabase.LoadAssetAtPath(instancerBuffer._collisionAssetPaths[0], typeof(GameObject)) as GameObject;
}
if (singleCollisionGO == null)
{
// Continue on but log error
Debug.LogErrorFormat("Collision asset at path {0} not found for instance {1}.", instancerBuffer._collisionAssetPaths[0], instancerBuffer._name);
}
}
int numInstances = instancerBuffer._instanceNodeIDs.Length;
for (int i = 0; i < numInstances; ++i)
{
HEU_LoadBufferBase sourceBuffer = null;
if (!idBuffersMap.TryGetValue(instancerBuffer._instanceNodeIDs[i], out sourceBuffer) || sourceBuffer == null)
{
Debug.LogErrorFormat("Part with id {0} is missing. Unable to setup instancer!", instancerBuffer._instanceNodeIDs[i]);
return;
}
// If the part we're instancing is itself an instancer, make sure it has generated its instances
if (sourceBuffer._bInstanced && sourceBuffer._generatedOutput == null)
{
HEU_LoadBufferInstancer sourceBufferInstancer = instancerBuffer as HEU_LoadBufferInstancer;
if (sourceBufferInstancer != null)
{
GenerateInstancer(cookNodeId, sourceBufferInstancer, idBuffersMap);
}
}
GameObject sourceGameObject = sourceBuffer._generatedOutput._outputData._gameObject;
if (sourceGameObject == null)
{
Debug.LogErrorFormat("Output gameobject is null for source {0}. Unable to instance for {1}.", sourceBuffer._name, instancerBuffer._name);
continue;
}
GameObject collisionSrcGO = null;
if (singleCollisionGO != null)
{
// Single collision geo
collisionSrcGO = singleCollisionGO;
}
else if (instancerBuffer._collisionAssetPaths != null &&
(i < instancerBuffer._collisionAssetPaths.Length) &&
!string.IsNullOrEmpty(instancerBuffer._collisionAssetPaths[i]))
{
// Mutliple collision geo (one per instance).
if (!loadedCollisionObjectMap.TryGetValue(instancerBuffer._collisionAssetPaths[i], out collisionSrcGO))
{
collisionSrcGO = HEU_AssetDatabase.LoadAssetAtPath(instancerBuffer._collisionAssetPaths[i], typeof(GameObject)) as GameObject;
if (collisionSrcGO == null)
{
Debug.LogErrorFormat("Unable to load collision asset at {0} for instancing!", instancerBuffer._collisionAssetPaths[i]);
}
else
{
loadedCollisionObjectMap.Add(instancerBuffer._collisionAssetPaths[i], collisionSrcGO);
}
}
}
int numTransforms = instancerBuffer._instanceTransforms.Length;
for (int j = 0; j < numTransforms; ++j)
{
CreateNewInstanceFromObject(sourceGameObject, (j + 1), instanceRootTransform, ref instancerBuffer._instanceTransforms[j],
instancerBuffer._instancePrefixes, instancerBuffer._name, collisionSrcGO);
}
}
}
/// <summary>
/// Apply the given detail layers and properties to the given terrain.
/// The detail distance and resolution will be set, along with detail prototypes, and layers.
/// </summary>
/// <param name="terrain">The Terrain to set the detail properies on</param>
/// <param name="terrainData">The TerrainData to apply the layers to</param>
/// <param name="detailProperties">Container for detail distance and resolution</param>
/// <param name="heuDetailPrototypes">Data for creating DetailPrototypes</param>
/// <param name="convertedDetailMaps">The detail maps to set for the detail layers</param>
public static void ApplyDetailLayers(Terrain terrain, TerrainData terrainData, HEU_DetailProperties detailProperties,
List<HEU_DetailPrototype> heuDetailPrototypes, List<int[,]> convertedDetailMaps)
{
#if UNITY_2018_3_OR_NEWER
if (detailProperties != null)
{
if (detailProperties._detailDistance >= 0)
{
terrain.detailObjectDistance = detailProperties._detailDistance;
}
if (detailProperties._detailDensity >= 0)
{
terrain.detailObjectDensity = detailProperties._detailDensity;
}
int resPerPath = detailProperties._detailResolutionPerPatch > 0 ?
detailProperties._detailResolutionPerPatch : terrainData.detailResolutionPerPatch;
int detailRes = detailProperties._detailResolution > 0 ?
detailProperties._detailResolution : terrainData.detailResolutionPerPatch;
if (resPerPath > 0 && detailRes > 0)
{
// This should match with half the terrain size
terrainData.SetDetailResolution(detailRes, resPerPath);
}
}
if (heuDetailPrototypes.Count != convertedDetailMaps.Count)
{
Debug.LogError("Number of volume detail layers differs from converted detail maps. Unable to apply detail layers.");
return;
}
// For now, just override existing detail prototypes and layers
// If user asks for appending/overwriting them, then can use a new index attribute to map them
List<DetailPrototype> detailPrototypes = new List<DetailPrototype>();
int numDetailLayers = heuDetailPrototypes.Count;
for(int i = 0; i < numDetailLayers; ++i)
{
DetailPrototype detailPrototype = new DetailPrototype();
HEU_DetailPrototype heuDetail = heuDetailPrototypes[i];
if (!string.IsNullOrEmpty(heuDetail._prototypePrefab))
{
detailPrototype.prototype = HEU_AssetDatabase.LoadAssetAtPath(heuDetail._prototypePrefab, typeof(GameObject)) as GameObject;
detailPrototype.usePrototypeMesh = true;
}
else if (!string.IsNullOrEmpty(heuDetail._prototypeTexture))
{
detailPrototype.prototypeTexture = HEU_MaterialFactory.LoadTexture(heuDetail._prototypeTexture);
detailPrototype.usePrototypeMesh = false;
}
detailPrototype.bendFactor = heuDetail._bendFactor;
detailPrototype.dryColor = heuDetail._dryColor;
detailPrototype.healthyColor = heuDetail._healthyColor;
detailPrototype.maxHeight = heuDetail._maxHeight;
detailPrototype.maxWidth = heuDetail._maxWidth;
detailPrototype.minHeight = heuDetail._minHeight;
detailPrototype.minWidth = heuDetail._minWidth;
detailPrototype.noiseSpread = heuDetail._noiseSpread;
detailPrototype.renderMode = (DetailRenderMode)heuDetail._renderMode;
detailPrototypes.Add(detailPrototype);
}
// Set the DetailPrototypes
if (detailPrototypes.Count > 0)
{
terrainData.detailPrototypes = detailPrototypes.ToArray();
}
// Set the DetailLayers
for(int i = 0; i < numDetailLayers; ++i)
{
terrainData.SetDetailLayer(0, 0, i, convertedDetailMaps[i]);
}
#endif
}
/// <summary>
/// Returns true if given gameobjet is in Project only, and not in scene.
/// </summary>
/// <param name="go"></param>
/// <returns></returns>
public static bool IsGameObjectInProject(GameObject go)
{
return HEU_AssetDatabase.ContainsAsset(go);
}
/// <summary>
/// Upload the inputData (mesh geometry) into the input node with inputNodeID.
/// </summary>
/// <param name="session">Session that the input node exists in</param>
/// <param name="inputNodeID">ID of the input node</param>
/// <param name="inputData">Container of the mesh geometry</param>
/// <returns>True if successfully uploaded data</returns>
public bool UploadData(HEU_SessionBase session, HAPI_NodeId inputNodeID, HEU_InputData inputData)
{
HEU_InputDataMeshes inputDataMeshes = inputData as HEU_InputDataMeshes;
if (inputDataMeshes == null)
{
Debug.LogError("Expected HEU_InputDataMeshes type for inputData, but received unsupported type.");
return false;
}
List<Vector3> vertices = new List<Vector3>();
List<Vector3> normals = new List<Vector3>();
List<Color> colors = new List<Color>();
#if UNITY_2018_2_OR_NEWER
const int NumUVSets = 8;
#else
const int NumUVSets = 4;
#endif
List<Vector3>[] uvs = new List<Vector3>[NumUVSets];
for (int u = 0; u < NumUVSets; ++u)
{
uvs[u] = new List<Vector3>();
}
// Use tempUVs to help with reindexing
List<Vector3>[] tempUVs = new List<Vector3>[NumUVSets];
for (int u = 0; u < NumUVSets; ++u)
{
tempUVs[u] = new List<Vector3>();
}
List<int> pointIndexList = new List<int>();
List<int> vertIndexList = new List<int>();
int numMaterials = 0;
int numMeshes = inputDataMeshes._inputMeshes.Count;
// Get the parent's world transform, so when there are multiple child meshes,
// can merge and apply their local transform after subtracting their parent's world transform
Matrix4x4 rootInvertTransformMatrix = Matrix4x4.identity;
if (numMeshes > 1)
{
rootInvertTransformMatrix = inputDataMeshes._inputObject.transform.worldToLocalMatrix;
}
// Always using the first submesh topology. This doesn't support mixed topology (triangles and quads).
MeshTopology meshTopology = inputDataMeshes._inputMeshes[0]._mesh.GetTopology(0);
int numVertsPerFace = 3;
if (meshTopology == MeshTopology.Quads)
{
numVertsPerFace = 4;
}
// For all meshes:
// Accumulate vertices, normals, uvs, colors, and indices.
// Keep track of indices start and count for each mesh for later when uploading material assignments and groups.
// Find shared vertices, and use unique set of vertices to use as point positions.
// Need to reindex indices for both unique vertices, as well as vertex attributes.
for (int i = 0; i < numMeshes; ++i)
{
Vector3[] meshVertices = inputDataMeshes._inputMeshes[i]._mesh.vertices;
Matrix4x4 localToWorld = rootInvertTransformMatrix * inputDataMeshes._inputMeshes[i]._transform.localToWorldMatrix;
List<Vector3> uniqueVertices = new List<Vector3>();
// Keep track of old vertex positions (old vertex slot points to new unique vertex slot)
int[] reindexVertices = new int[meshVertices.Length];
Dictionary<Vector3, int> reindexMap = new Dictionary<Vector3, int>();
// For each vertex, check against subsequent vertices for shared positions.
for (int a = 0; a < meshVertices.Length; ++a)
{
Vector3 va = meshVertices[a];
if (!reindexMap.ContainsKey(va))
{
if (numMeshes > 1 && !inputDataMeshes._hasLOD)
{
// For multiple meshes that are not LODs, apply local transform on vertices to get the merged mesh.
uniqueVertices.Add(localToWorld.MultiplyPoint(va));
}
else
{
uniqueVertices.Add(va);
}
// Reindex to point to unique vertex slot
reindexVertices[a] = uniqueVertices.Count - 1;
reindexMap[va] = uniqueVertices.Count - 1;
}
else
{
reindexVertices[a] = reindexMap[va];
}
}
int vertexOffset = vertices.Count;
vertices.AddRange(uniqueVertices);
Vector3[] meshNormals = inputDataMeshes._inputMeshes[i]._mesh.normals;
Color[] meshColors = inputDataMeshes._inputMeshes[i]._mesh.colors;
// This is really silly. mesh.GetUVs gives uvs regardless if they exist or not (makes duplicates of
// first uv if they don't exist), but mesh.uv* gives correct UVs, but in Vector2 format.
// Since we need to convert to Vector3 later, this checks mesh.uv*, then uses mesh.GetUVs to get in Vector3.
// Note skipping uv1 as its internally used (i.e. the 2nd uv set is uv2)
int uindex = 0;
GetUVsFromMesh(inputDataMeshes._inputMeshes[i]._mesh, inputDataMeshes._inputMeshes[i]._mesh.uv, tempUVs[0], uindex++);
GetUVsFromMesh(inputDataMeshes._inputMeshes[i]._mesh, inputDataMeshes._inputMeshes[i]._mesh.uv2, tempUVs[1], uindex++);
GetUVsFromMesh(inputDataMeshes._inputMeshes[i]._mesh, inputDataMeshes._inputMeshes[i]._mesh.uv3, tempUVs[2], uindex++);
GetUVsFromMesh(inputDataMeshes._inputMeshes[i]._mesh, inputDataMeshes._inputMeshes[i]._mesh.uv4, tempUVs[3], uindex++);
#if UNITY_2018_2_OR_NEWER
GetUVsFromMesh(inputDataMeshes._inputMeshes[i]._mesh, inputDataMeshes._inputMeshes[i]._mesh.uv5, tempUVs[4], uindex++);
GetUVsFromMesh(inputDataMeshes._inputMeshes[i]._mesh, inputDataMeshes._inputMeshes[i]._mesh.uv6, tempUVs[5], uindex++);
GetUVsFromMesh(inputDataMeshes._inputMeshes[i]._mesh, inputDataMeshes._inputMeshes[i]._mesh.uv7, tempUVs[6], uindex++);
GetUVsFromMesh(inputDataMeshes._inputMeshes[i]._mesh, inputDataMeshes._inputMeshes[i]._mesh.uv8, tempUVs[7], uindex++);
#endif
inputDataMeshes._inputMeshes[i]._indexStart = new uint[inputDataMeshes._inputMeshes[i]._numSubMeshes];
inputDataMeshes._inputMeshes[i]._indexCount = new uint[inputDataMeshes._inputMeshes[i]._numSubMeshes];
// For each submesh:
// Generate face to point index -> pointIndexList
// Generate face to vertex attribute index -> vertIndexList
for (int j = 0; j < inputDataMeshes._inputMeshes[i]._numSubMeshes; ++j)
{
int indexStart = pointIndexList.Count;
int vertIndexStart = vertIndexList.Count;
// Indices have to be re-indexed with our own offset
// (using GetIndices to generalize triangles and quad indices)
int[] meshIndices = inputDataMeshes._inputMeshes[i]._mesh.GetIndices(j);
int numIndices = meshIndices.Length;
for (int k = 0; k < numIndices; ++k)
{
int originalIndex = meshIndices[k];
meshIndices[k] = reindexVertices[originalIndex];
pointIndexList.Add(vertexOffset + meshIndices[k]);
vertIndexList.Add(vertIndexStart + k);
if (meshNormals != null && (originalIndex < meshNormals.Length))
{
normals.Add(meshNormals[originalIndex]);
}
for (int u = 0; u < NumUVSets; ++u)
{
if (tempUVs[u].Count > 0)
{
uvs[u].Add(tempUVs[u][originalIndex]);
}
}
if (meshColors != null && (originalIndex < meshColors.Length))
{
colors.Add(meshColors[originalIndex]);
}
}
inputDataMeshes._inputMeshes[i]._indexStart[j] = (uint)indexStart;
inputDataMeshes._inputMeshes[i]._indexCount[j] = (uint)(pointIndexList.Count) - inputDataMeshes._inputMeshes[i]._indexStart[j];
}
numMaterials += inputDataMeshes._inputMeshes[i]._materials != null ? inputDataMeshes._inputMeshes[i]._materials.Length : 0;
}
// It is possible for some meshes to not have normals/uvs/colors while others do.
// In the case where an attribute is missing on some meshes, we clear out those attributes so we don't upload
// partial attribute data.
int totalAllVertexCount = vertIndexList.Count;
if (normals.Count != totalAllVertexCount)
{
normals = null;
}
if (colors.Count != totalAllVertexCount)
{
colors = null;
}
HAPI_PartInfo partInfo = new HAPI_PartInfo();
partInfo.faceCount = vertIndexList.Count / numVertsPerFace;
partInfo.vertexCount = vertIndexList.Count;
partInfo.pointCount = vertices.Count;
partInfo.pointAttributeCount = 1;
partInfo.vertexAttributeCount = 0;
partInfo.primitiveAttributeCount = 0;
partInfo.detailAttributeCount = 0;
//Debug.LogFormat("Faces: {0}; Vertices: {1}; Verts/Face: {2}", partInfo.faceCount, partInfo.vertexCount, numVertsPerFace);
if (normals != null && normals.Count > 0)
{
partInfo.vertexAttributeCount++;
}
for (int u = 0; u < NumUVSets; ++u)
{
if (uvs[u].Count > 0 && uvs[u].Count == totalAllVertexCount)
{
partInfo.vertexAttributeCount++;
}
else
{
uvs[u].Clear();
}
}
if (colors != null && colors.Count > 0)
{
partInfo.vertexAttributeCount++;
}
if (numMaterials > 0)
{
partInfo.primitiveAttributeCount++;
}
if (numMeshes > 0)
{
partInfo.primitiveAttributeCount++;
}
if (inputDataMeshes._hasLOD)
{
partInfo.primitiveAttributeCount++;
partInfo.detailAttributeCount++;
}
HAPI_GeoInfo displayGeoInfo = new HAPI_GeoInfo();
if (!session.GetDisplayGeoInfo(inputNodeID, ref displayGeoInfo))
{
return false;
}
HAPI_NodeId displayNodeID = displayGeoInfo.nodeId;
if (!session.SetPartInfo(displayNodeID, 0, ref partInfo))
{
Debug.LogError("Failed to set input part info. ");
return false;
}
int[] faceCounts = new int[partInfo.faceCount];
for (int i = 0; i < partInfo.faceCount; ++i)
{
faceCounts[i] = numVertsPerFace;
}
int[] faceIndices = pointIndexList.ToArray();
if (!HEU_GeneralUtility.SetArray2Arg(displayNodeID, 0, session.SetFaceCount, faceCounts, 0, partInfo.faceCount))
{
Debug.LogError("Failed to set input geometry face counts.");
return false;
}
if (!HEU_GeneralUtility.SetArray2Arg(displayNodeID, 0, session.SetVertexList, faceIndices, 0, partInfo.vertexCount))
{
Debug.LogError("Failed to set input geometry indices.");
return false;
}
if (!HEU_InputMeshUtility.SetMeshPointAttribute(session, displayNodeID, 0, HEU_Defines.HAPI_ATTRIB_POSITION, 3, vertices.ToArray(), ref partInfo, true))
{
Debug.LogError("Failed to set input geometry position.");
return false;
}
int[] vertIndices = vertIndexList.ToArray();
//if(normals != null && !SetMeshPointAttribute(session, displayNodeID, 0, HEU_Defines.HAPI_ATTRIB_NORMAL, 3, normals.ToArray(), ref partInfo, true))
if (normals != null && !HEU_InputMeshUtility.SetMeshVertexAttribute(session, displayNodeID, 0, HEU_Defines.HAPI_ATTRIB_NORMAL, 3, normals.ToArray(), vertIndices, ref partInfo, true))
{
Debug.LogError("Failed to set input geometry normals.");
return false;
}
for (int u = 0; u < NumUVSets; ++u)
{
if (uvs[u].Count > 0)
{
// Skip uv1 as its used internally. So it goes: uv, uv2, ..., uv8
string uvName = u == 0 ? HEU_Defines.HAPI_ATTRIB_UV : string.Format("{0}{1}", HEU_Defines.HAPI_ATTRIB_UV, u + 1);
if (!HEU_InputMeshUtility.SetMeshVertexAttribute(session, displayNodeID, 0, uvName, 3, uvs[u].ToArray(), vertIndices, ref partInfo, false))
{
Debug.LogError("Failed to set input geometry UV" + u);
return false;
}
}
}
if (colors != null && colors.Count > 0)
{
Vector3[] rgb = new Vector3[colors.Count];
float[] alpha = new float[colors.Count];
for (int i = 0; i < colors.Count; ++i)
{
rgb[i][0] = colors[i].r;
rgb[i][1] = colors[i].g;
rgb[i][2] = colors[i].b;
alpha[i] = colors[i].a;
}
//if(!SetMeshPointAttribute(session, displayNodeID, 0, HEU_Defines.HAPI_ATTRIB_COLOR, 3, rgb, ref partInfo, false))
if (!HEU_InputMeshUtility.SetMeshVertexAttribute(session, displayNodeID, 0, HEU_Defines.HAPI_ATTRIB_COLOR, 3, rgb, vertIndices, ref partInfo, false))
{
Debug.LogError("Failed to set input geometry colors.");
return false;
}
//if(!SetMeshPointAttribute(session, displayNodeID, 0, HEU_Defines.HAPI_ATTRIB_ALPHA, 1, alpha, ref partInfo, false))
if (!HEU_InputMeshUtility.SetMeshVertexFloatAttribute(session, displayNodeID, 0, HEU_Defines.HAPI_ATTRIB_ALPHA, 1, alpha, vertIndices, ref partInfo))
{
Debug.LogError("Failed to set input geometry color alpha.");
return false;
}
}
// Set material names for round-trip perservation of material assignment
// Each HEU_UploadMeshData might have a list of submeshes and materials
// These are all combined into a single mesh, with group names
if (numMaterials > 0)
{
bool bFoundAtleastOneValidMaterial = false;
string[] materialIDs = new string[partInfo.faceCount];
for (int g = 0; g < inputDataMeshes._inputMeshes.Count; ++g)
{
if (inputDataMeshes._inputMeshes[g]._numSubMeshes != inputDataMeshes._inputMeshes[g]._materials.Length)
{
// Number of submeshes should equal number of materials since materials determine submeshes
continue;
}
for (int i = 0; i < inputDataMeshes._inputMeshes[g]._materials.Length; ++i)
{
string materialName = HEU_AssetDatabase.GetAssetPathWithSubAssetSupport(inputDataMeshes._inputMeshes[g]._materials[i]);
if (materialName == null)
{
materialName = "";
}
else if (materialName.StartsWith(HEU_Defines.DEFAULT_UNITY_BUILTIN_RESOURCES))
{
materialName = HEU_AssetDatabase.GetUniqueAssetPathForUnityAsset(inputDataMeshes._inputMeshes[g]._materials[i]);
}
bFoundAtleastOneValidMaterial |= !string.IsNullOrEmpty(materialName);
int faceStart = (int)inputDataMeshes._inputMeshes[g]._indexStart[i] / numVertsPerFace;
int faceEnd = faceStart + ((int)inputDataMeshes._inputMeshes[g]._indexCount[i] / numVertsPerFace);
for (int m = faceStart; m < faceEnd; ++m)
{
materialIDs[m] = materialName;
}
}
}
if (bFoundAtleastOneValidMaterial)
{
HAPI_AttributeInfo materialIDAttrInfo = new HAPI_AttributeInfo();
materialIDAttrInfo.exists = true;
materialIDAttrInfo.owner = HAPI_AttributeOwner.HAPI_ATTROWNER_PRIM;
materialIDAttrInfo.storage = HAPI_StorageType.HAPI_STORAGETYPE_STRING;
materialIDAttrInfo.count = partInfo.faceCount;
materialIDAttrInfo.tupleSize = 1;
materialIDAttrInfo.originalOwner = HAPI_AttributeOwner.HAPI_ATTROWNER_INVALID;
if (!session.AddAttribute(displayNodeID, 0, HEU_PluginSettings.UnityMaterialAttribName, ref materialIDAttrInfo))
{
Debug.LogError("Failed to add input geometry unity material name attribute.");
return false;
}
if (!HEU_GeneralUtility.SetAttributeArray(displayNodeID, 0, HEU_PluginSettings.UnityMaterialAttribName, ref materialIDAttrInfo, materialIDs, session.SetAttributeStringData, partInfo.faceCount))
{
Debug.LogError("Failed to set input geometry unity material name.");
return false;
}
}
}
// Set mesh name attribute
HAPI_AttributeInfo attrInfo = new HAPI_AttributeInfo();
attrInfo.exists = true;
attrInfo.owner = HAPI_AttributeOwner.HAPI_ATTROWNER_PRIM;
attrInfo.storage = HAPI_StorageType.HAPI_STORAGETYPE_STRING;
attrInfo.count = partInfo.faceCount;
attrInfo.tupleSize = 1;
attrInfo.originalOwner = HAPI_AttributeOwner.HAPI_ATTROWNER_INVALID;
if (session.AddAttribute(displayNodeID, 0, HEU_PluginSettings.UnityInputMeshAttr, ref attrInfo))
{
string[] primitiveNameAttr = new string[partInfo.faceCount];
for (int g = 0; g < inputDataMeshes._inputMeshes.Count; ++g)
{
for (int i = 0; i < inputDataMeshes._inputMeshes[g]._numSubMeshes; ++i)
{
int faceStart = (int)inputDataMeshes._inputMeshes[g]._indexStart[i] / numVertsPerFace;
int faceEnd = faceStart + ((int)inputDataMeshes._inputMeshes[g]._indexCount[i] / numVertsPerFace);
for (int m = faceStart; m < faceEnd; ++m)
{
primitiveNameAttr[m] = inputDataMeshes._inputMeshes[g]._meshPath;
}
}
}
if (!HEU_GeneralUtility.SetAttributeArray(displayNodeID, 0, HEU_PluginSettings.UnityInputMeshAttr, ref attrInfo, primitiveNameAttr, session.SetAttributeStringData, partInfo.faceCount))
{
Debug.LogError("Failed to set input geometry unity mesh name.");
return false;
}
}
else
{
return false;
}
// Set LOD group membership
if (inputDataMeshes._hasLOD)
{
int[] membership = new int[partInfo.faceCount];
for (int g = 0; g < inputDataMeshes._inputMeshes.Count; ++g)
{
if (g > 0)
{
// Clear array
for (int m = 0; m < partInfo.faceCount; ++m)
{
membership[m] = 0;
}
}
// Set 1 for faces belonging to this group
for (int s = 0; s < inputDataMeshes._inputMeshes[g]._numSubMeshes; ++s)
{
int faceStart = (int)inputDataMeshes._inputMeshes[g]._indexStart[s] / numVertsPerFace;
int faceEnd = faceStart + ((int)inputDataMeshes._inputMeshes[g]._indexCount[s] / numVertsPerFace);
for (int m = faceStart; m < faceEnd; ++m)
{
membership[m] = 1;
}
}
if (!session.AddGroup(displayNodeID, 0, HAPI_GroupType.HAPI_GROUPTYPE_PRIM, inputDataMeshes._inputMeshes[g]._meshName))
{
Debug.LogError("Failed to add input geometry LOD group name.");
return false;
}
if (!session.SetGroupMembership(displayNodeID, 0, HAPI_GroupType.HAPI_GROUPTYPE_PRIM, inputDataMeshes._inputMeshes[g]._meshName, membership, 0, partInfo.faceCount))
{
Debug.LogError("Failed to set input geometry LOD group name.");
return false;
}
}
}
return session.CommitGeo(displayNodeID);
}
private void GenerateTerrain(List<HEU_LoadBufferVolume> terrainBuffers)
{
Transform parent = this.gameObject.transform;
int numVolumes = terrainBuffers.Count;
for(int t = 0; t < numVolumes; ++t)
{
if (terrainBuffers[t]._heightMap != null)
{
GameObject newGameObject = new GameObject("heightfield_" + terrainBuffers[t]._tileIndex);
Transform newTransform = newGameObject.transform;
newTransform.parent = parent;
HEU_GeneratedOutput generatedOutput = new HEU_GeneratedOutput();
generatedOutput._outputData._gameObject = newGameObject;
Terrain terrain = HEU_GeneralUtility.GetOrCreateComponent<Terrain>(newGameObject);
TerrainCollider collider = HEU_GeneralUtility.GetOrCreateComponent<TerrainCollider>(newGameObject);
if (!string.IsNullOrEmpty(terrainBuffers[t]._terrainDataPath))
{
terrain.terrainData = HEU_AssetDatabase.LoadAssetAtPath(terrainBuffers[t]._terrainDataPath, typeof(TerrainData)) as TerrainData;
if (terrain.terrainData == null)
{
Debug.LogWarningFormat("TerrainData, set via attribute, not found at: {0}", terrainBuffers[t]._terrainDataPath);
}
}
if (terrain.terrainData == null)
{
terrain.terrainData = new TerrainData();
}
TerrainData terrainData = terrain.terrainData;
collider.terrainData = terrainData;
HEU_TerrainUtility.SetTerrainMaterial(terrain);
#if UNITY_2018_3_OR_NEWER
terrain.allowAutoConnect = true;
// This has to be set after setting material
terrain.drawInstanced = true;
#endif
int heightMapSize = terrainBuffers[t]._heightMapWidth;
terrainData.heightmapResolution = heightMapSize;
if (terrainData.heightmapResolution != heightMapSize)
{
Debug.LogErrorFormat("Unsupported terrain size: {0}", heightMapSize);
continue;
}
// The terrainData.baseMapResolution is not set here, but rather left to whatever default Unity uses
// The terrainData.alphamapResolution is set later when setting the alphamaps.
// 32 is the default for resolutionPerPatch
const int detailResolution = 1024;
const int resolutionPerPatch = 32;
terrainData.SetDetailResolution(detailResolution, resolutionPerPatch);
terrainData.SetHeights(0, 0, terrainBuffers[t]._heightMap);
// Note that Unity uses a default height range of 600 when a flat terrain is created.
// Without a non-zero value for the height range, user isn't able to draw heights.
// Therefore, set 600 as the value if height range is currently 0 (due to flat heightfield).
float heightRange = terrainBuffers[t]._heightRange;
if (heightRange == 0)
{
heightRange = 600;
}
terrainData.size = new Vector3(terrainBuffers[t]._terrainSizeX, heightRange, terrainBuffers[t]._terrainSizeY);
terrain.Flush();
// Set position
HAPI_Transform hapiTransformVolume = new HAPI_Transform(true);
hapiTransformVolume.position[0] += terrainBuffers[t]._position[0];
hapiTransformVolume.position[1] += terrainBuffers[t]._position[1];
hapiTransformVolume.position[2] += terrainBuffers[t]._position[2];
HEU_HAPIUtility.ApplyLocalTransfromFromHoudiniToUnity(ref hapiTransformVolume, newTransform);
// Set layers
Texture2D defaultTexture = HEU_VolumeCache.LoadDefaultSplatTexture();
int numLayers = terrainBuffers[t]._layers.Count;
#if UNITY_2018_3_OR_NEWER
// Create TerrainLayer for each heightfield layer.
// Note that height and mask layers are ignored (i.e. not created as TerrainLayers).
// Since height layer is first, only process layers from 2nd index onwards.
if (numLayers > 1)
{
TerrainLayer[] terrainLayers = new TerrainLayer[numLayers - 1];
for (int m = 1; m < numLayers; ++m)
{
TerrainLayer terrainlayer = null;
HEU_LoadBufferVolumeLayer layer = terrainBuffers[t]._layers[m];
// Look up TerrainLayer file via attribute if user has set it
if (!string.IsNullOrEmpty(layer._layerPath))
{
terrainlayer = HEU_AssetDatabase.LoadAssetAtPath(layer._layerPath, typeof(TerrainLayer)) as TerrainLayer;
if (terrainlayer == null)
{
Debug.LogWarningFormat("TerrainLayer, set via attribute, not found at: {0}", layer._layerPath);
continue;
}
}
if (terrainlayer == null)
{
terrainlayer = new TerrainLayer();
}
if (!string.IsNullOrEmpty(layer._diffuseTexturePath))
{
terrainlayer.diffuseTexture = HEU_MaterialFactory.LoadTexture(layer._diffuseTexturePath);
}
if (terrainlayer.diffuseTexture == null)
{
terrainlayer.diffuseTexture = defaultTexture;
}
terrainlayer.diffuseRemapMin = Vector4.zero;
terrainlayer.diffuseRemapMax = Vector4.one;
if (!string.IsNullOrEmpty(layer._maskTexturePath))
{
terrainlayer.maskMapTexture = HEU_MaterialFactory.LoadTexture(layer._maskTexturePath);
}
terrainlayer.maskMapRemapMin = Vector4.zero;
terrainlayer.maskMapRemapMax = Vector4.one;
terrainlayer.metallic = layer._metallic;
if (!string.IsNullOrEmpty(layer._normalTexturePath))
{
terrainlayer.normalMapTexture = HEU_MaterialFactory.LoadTexture(layer._normalTexturePath);
}
terrainlayer.normalScale = layer._normalScale;
terrainlayer.smoothness = layer._smoothness;
terrainlayer.specular = layer._specularColor;
terrainlayer.tileOffset = layer._tileOffset;
if (layer._tileSize.magnitude == 0f && terrainlayer.diffuseTexture != null)
{
// Use texture size if tile size is 0
layer._tileSize = new Vector2(terrainlayer.diffuseTexture.width, terrainlayer.diffuseTexture.height);
}
terrainlayer.tileSize = layer._tileSize;
// Note index is m - 1 due to skipping height layer
terrainLayers[m - 1] = terrainlayer;
}
terrainData.terrainLayers = terrainLayers;
}
#else
// Need to create SplatPrototype for each layer in heightfield, representing the textures.
SplatPrototype[] splatPrototypes = new SplatPrototype[numLayers];
for (int m = 0; m < numLayers; ++m)
{
splatPrototypes[m] = new SplatPrototype();
HEU_LoadBufferVolumeLayer layer = terrainBuffers[t]._layers[m];
Texture2D diffuseTexture = null;
if (!string.IsNullOrEmpty(layer._diffuseTexturePath))
{
diffuseTexture = HEU_MaterialFactory.LoadTexture(layer._diffuseTexturePath);
}
if (diffuseTexture == null)
{
diffuseTexture = defaultTexture;
}
splatPrototypes[m].texture = diffuseTexture;
splatPrototypes[m].tileOffset = layer._tileOffset;
if (layer._tileSize.magnitude == 0f && diffuseTexture != null)
{
// Use texture size if tile size is 0
layer._tileSize = new Vector2(diffuseTexture.width, diffuseTexture.height);
}
splatPrototypes[m].tileSize = layer._tileSize;
splatPrototypes[m].metallic = layer._metallic;
splatPrototypes[m].smoothness = layer._smoothness;
if (!string.IsNullOrEmpty(layer._normalTexturePath))
{
splatPrototypes[m].normalMap = HEU_MaterialFactory.LoadTexture(layer._normalTexturePath);
}
}
terrainData.splatPrototypes = splatPrototypes;
#endif
// Set the splatmaps
if (terrainBuffers[t]._splatMaps != null)
{
// Set the alphamap size before setting the alphamaps to get correct scaling
// The alphamap size comes from the first alphamap layer
int alphamapResolution = terrainBuffers[t]._heightMapWidth;
if (numLayers > 1)
{
alphamapResolution = terrainBuffers[t]._layers[1]._heightMapWidth;
}
terrainData.alphamapResolution = alphamapResolution;
terrainData.SetAlphamaps(0, 0, terrainBuffers[t]._splatMaps);
}
// Set the tree scattering
if (terrainBuffers[t]._scatterTrees != null)
{
HEU_TerrainUtility.ApplyScatter(terrainData, terrainBuffers[t]._scatterTrees);
}
terrainBuffers[t]._generatedOutput = generatedOutput;
_generatedOutputs.Add(generatedOutput);
SetOutputVisiblity(terrainBuffers[t]);
}
}
}
private bool DrawDetailsGeometry()
{
bool bChanged = false;
EditorGUIUtility.labelWidth = 250;
{
bool oldValue = HEU_PluginSettings.Curves_ShowInSceneView;
bool newValue = HEU_EditorUI.DrawToggleLeft(oldValue, "Show Curves in Scene View");
if (newValue != oldValue)
{
HEU_PluginSettings.Curves_ShowInSceneView = newValue;
HEU_HoudiniAsset.SetCurvesVisibilityInScene(newValue);
bChanged = true;
}
}
HEU_EditorUI.DrawSeparator();
{
float oldValue = HEU_PluginSettings.NormalGenerationThresholdAngle;
float newValue = EditorGUILayout.DelayedFloatField("Normal Generation Threshold Angle", oldValue);
if (newValue != oldValue)
{
HEU_PluginSettings.NormalGenerationThresholdAngle = newValue;
bChanged = true;
}
}
HEU_EditorUI.DrawSeparator();
{
string oldValue = HEU_PluginSettings.DefaultTerrainMaterial;
if (_terrainMaterial == null && !string.IsNullOrEmpty(oldValue))
{
//Debug.Log("Loading terrain material at: " + oldValue);
_terrainMaterial = HEU_MaterialFactory.LoadUnityMaterial(oldValue);
}
Material newMaterial = EditorGUILayout.ObjectField("Default Terrain Material", _terrainMaterial, typeof(Material), false) as Material;
if (newMaterial != _terrainMaterial)
{
HEU_PluginSettings.DefaultTerrainMaterial = (newMaterial != null) ? HEU_AssetDatabase.GetAssetPathWithSubAssetSupport(newMaterial) : "";
_terrainMaterial = newMaterial;
bChanged = true;
}
}
HEU_EditorUI.DrawSeparator();
{
string oldValue = HEU_PluginSettings.TerrainSplatTextureDefault;
string newValue = EditorGUILayout.DelayedTextField("Default Terrain Splat Texture", oldValue);
if (!newValue.Equals(oldValue))
{
HEU_PluginSettings.TerrainSplatTextureDefault = newValue;
bChanged = true;
}
}
HEU_EditorUI.DrawSeparator();
{
string oldValue = HEU_PluginSettings.DefaultStandardShader;
string newValue = EditorGUILayout.DelayedTextField("Default Standard Shader", oldValue);
if (!newValue.Equals(oldValue))
{
HEU_PluginSettings.DefaultStandardShader = newValue;
bChanged = true;
}
}
HEU_EditorUI.DrawSeparator();
{
string oldValue = HEU_PluginSettings.DefaultTransparentShader;
string newValue = EditorGUILayout.DelayedTextField("Default Transparent Shader", oldValue);
if (!newValue.Equals(oldValue))
{
HEU_PluginSettings.DefaultTransparentShader = newValue;
bChanged = true;
}
}
HEU_EditorUI.DrawSeparator();
{
string oldValue = HEU_PluginSettings.DefaultVertexColorShader;
string newValue = EditorGUILayout.DelayedTextField("Default Vertex Color Shader", oldValue);
if (!newValue.Equals(oldValue))
{
HEU_PluginSettings.DefaultVertexColorShader = newValue;
bChanged = true;
}
}
HEU_EditorUI.DrawSeparator();
{
string oldValue = HEU_PluginSettings.DefaultCurveShader;
string newValue = EditorGUILayout.DelayedTextField("Default Curve Shader", oldValue);
if (!newValue.Equals(oldValue))
{
HEU_PluginSettings.DefaultCurveShader = newValue;
bChanged = true;
}
}
HEU_EditorUI.DrawSeparator();
EditorGUIUtility.labelWidth = 0;
return bChanged;
}
private void GenerateInstancesFromAssetPaths(HEU_LoadBufferInstancer instancerBuffer, Transform instanceRootTransform)
{
// For single asset, this is set when its impoted
GameObject singleAssetGO = null;
// For multi assets, keep track of loaded objects so we only need to load once for each object
Dictionary<string, GameObject> loadedUnityObjectMap = new Dictionary<string, GameObject>();
// Temporary empty gameobject in case the specified Unity asset is not found
GameObject tempGO = null;
if (instancerBuffer._assetPaths.Length == 1)
{
// Single asset path
if (!string.IsNullOrEmpty(instancerBuffer._assetPaths[0]))
{
HEU_AssetDatabase.ImportAsset(instancerBuffer._assetPaths[0], HEU_AssetDatabase.HEU_ImportAssetOptions.Default);
singleAssetGO = HEU_AssetDatabase.LoadAssetAtPath(instancerBuffer._assetPaths[0], typeof(GameObject)) as GameObject;
}
if (singleAssetGO == null)
{
Debug.LogErrorFormat("Asset at path {0} not found. Unable to create instances for {1}.", instancerBuffer._assetPaths[0], instancerBuffer._name);
return;
}
}
int numInstancesCreated = 0;
int numInstances = instancerBuffer._instanceTransforms.Length;
for (int i = 0; i < numInstances; ++i)
{
// Reset to the single asset for each instance allows which is null if using multi asset
// therefore forcing the instance asset to be found
GameObject unitySrcGO = singleAssetGO;
if (unitySrcGO == null)
{
// If not using single asset, then there must be an asset path for each instance
if (string.IsNullOrEmpty(instancerBuffer._assetPaths[i]))
{
continue;
}
if (!loadedUnityObjectMap.TryGetValue(instancerBuffer._assetPaths[i], out unitySrcGO))
{
// Try loading it
//HEU_AssetDatabase.ImportAsset(instancerBuffer._assetPaths[i], HEU_AssetDatabase.HEU_ImportAssetOptions.Default);
unitySrcGO = HEU_AssetDatabase.LoadAssetAtPath(instancerBuffer._assetPaths[i], typeof(GameObject)) as GameObject;
if (unitySrcGO == null)
{
Debug.LogErrorFormat("Unable to load asset at {0} for instancing!", instancerBuffer._assetPaths[i]);
// Even though the source Unity object is not found, we should create an object instance info to track it
if (tempGO == null)
{
tempGO = new GameObject();
}
unitySrcGO = tempGO;
}
// Adding to map even if not found so we don't flood the log with the same error message
loadedUnityObjectMap.Add(instancerBuffer._assetPaths[i], unitySrcGO);
}
}
CreateNewInstanceFromObject(unitySrcGO, (numInstancesCreated + 1), instanceRootTransform, ref instancerBuffer._instanceTransforms[i],
instancerBuffer._instancePrefixes, instancerBuffer._name);
numInstancesCreated++;
}
if (tempGO != null)
{
HEU_GeneralUtility.DestroyImmediate(tempGO, bRegisterUndo: false);
}
}
public void LoadPreset(HEU_SessionBase session, HEU_InputPreset inputPreset)
{
ResetInputNode(session);
ChangeInputType(session, inputPreset._inputObjectType);
if (inputPreset._inputObjectType == HEU_InputNode.InputObjectType.UNITY_MESH)
{
int numObjects = inputPreset._inputObjectPresets.Count;
for (int i = 0; i < numObjects; ++i)
{
if (!string.IsNullOrEmpty(inputPreset._inputObjectPresets[i]._gameObjectName))
{
GameObject inputGO = null;
if (inputPreset._inputObjectPresets[i]._isSceneObject)
{
inputGO = HEU_GeneralUtility.GetGameObjectByNameInScene(inputPreset._inputObjectPresets[i]._gameObjectName);
}
else
{
// Use the _gameObjectName as path to find in scene
inputGO = HEU_AssetDatabase.LoadAssetAtPath(inputPreset._inputObjectPresets[i]._gameObjectName, typeof(GameObject)) as GameObject;
if(inputGO == null)
{
Debug.LogErrorFormat("Unable to find input at {0}", inputPreset._inputObjectPresets[i]._gameObjectName);
}
}
if (inputGO != null)
{
HEU_InputObjectInfo inputObject = AddInputObjectAtEnd(inputGO);
inputObject._useTransformOffset = inputPreset._inputObjectPresets[i]._useTransformOffset;
inputObject._translateOffset = inputPreset._inputObjectPresets[i]._translateOffset;
inputObject._rotateOffset = inputPreset._inputObjectPresets[i]._rotateOffset;
inputObject._scaleOffset = inputPreset._inputObjectPresets[i]._scaleOffset;
}
else
{
Debug.LogWarningFormat("Gameobject with name {0} not found. Unable to set input object.", inputPreset._inputAssetName);
}
}
}
}
else if (inputPreset._inputObjectType == HEU_InputNode.InputObjectType.HDA)
{
if (!string.IsNullOrEmpty(inputPreset._inputAssetName))
{
GameObject inputAsset = GameObject.Find(inputPreset._inputAssetName);
if (inputAsset != null)
{
HEU_HoudiniAssetRoot inputAssetRoot = inputAsset != null ? inputAsset.GetComponent<HEU_HoudiniAssetRoot>() : null;
if (inputAssetRoot != null && inputAssetRoot._houdiniAsset != null)
{
// Need to reconnect and make sure connected asset is in this session
_inputAsset = inputAsset;
if (!inputAssetRoot._houdiniAsset.IsAssetValidInHoudini(session))
{
inputAssetRoot._houdiniAsset.RequestCook(true, false, true, true);
}
_connectedNodeID = inputAssetRoot._houdiniAsset.AssetID;
_parentAsset.ConnectToUpstream(inputAssetRoot._houdiniAsset);
_connectedInputAsset = _inputAsset;
}
else
{
Debug.LogErrorFormat("Input HDA with name {0} is not a valid asset (missing components). Unable to set input asset.", inputPreset._inputAssetName);
}
}
else
{
Debug.LogWarningFormat("Game with name {0} not found. Unable to set input asset.", inputPreset._inputAssetName);
}
}
}
KeepWorldTransform = inputPreset._keepWorldTransform;
PackGeometryBeforeMerging = inputPreset._packGeometryBeforeMerging;
RequiresUpload = true;
ClearUICache();
}
public void GenerateTerrainWithAlphamaps(HEU_SessionBase session, HEU_HoudiniAsset houdiniAsset, bool bRebuild)
{
if(_layers == null || _layers.Count == 0)
{
Debug.LogError("Unable to generate terrain due to lack of heightfield layers!");
return;
}
HEU_VolumeLayer heightLayer = _layers[0];
HAPI_VolumeInfo heightVolumeInfo = new HAPI_VolumeInfo();
bool bResult = session.GetVolumeInfo(_ownerNode.GeoID, heightLayer._part.PartID, ref heightVolumeInfo);
if (!bResult)
{
Debug.LogErrorFormat("Unable to get volume info for height layer: {0}!", heightLayer._layerName);
return;
}
// Special handling of volume cache presets. It is applied here (if exists) because it might pertain to TerrainData that exists
// in the AssetDatabase. If we don't apply here but rather create a new one, the existing file will get overwritten.
// Applying the preset here for terrain ensures the TerrainData is reused.
// Get the volume preset for this part
HEU_VolumeCachePreset volumeCachePreset = houdiniAsset.GetVolumeCachePreset(_ownerNode.ObjectNode.ObjectName, _ownerNode.GeoName, TileIndex);
if (volumeCachePreset != null)
{
ApplyPreset(volumeCachePreset);
// Remove it so that it doesn't get applied when doing the recook step
houdiniAsset.RemoveVolumeCachePreset(volumeCachePreset);
}
// The TerrainData and TerrainLayer files needs to be saved out if we create them. This creates the relative folder
// path from the Asset's cache folder: {assetCache}/{geo name}/Terrain/Tile{tileIndex}/...
string relativeFolderPath = HEU_Platform.BuildPath(_ownerNode.GeoName, HEU_Defines.HEU_FOLDER_TERRAIN, HEU_Defines.HEU_FOLDER_TILE + TileIndex);
if (bRebuild)
{
// For full rebuild, re-create the TerrainData instead of using previous
_terrainData = null;
}
//Debug.Log("Generating Terrain with AlphaMaps: " + (_terrainData != null ? _terrainData.name : "NONE"));
TerrainData terrainData = _terrainData;
Vector3 terrainOffsetPosition = Vector3.zero;
// Look up TerrainData file via attribute if user has set it
string terrainDataFile = HEU_GeneralUtility.GetAttributeStringValueSingle(session, _ownerNode.GeoID, heightLayer._part.PartID,
HEU_Defines.DEFAULT_UNITY_HEIGHTFIELD_TERRAINDATA_FILE_ATTR, HAPI_AttributeOwner.HAPI_ATTROWNER_PRIM);
if (!string.IsNullOrEmpty(terrainDataFile))
{
TerrainData loadedTerrainData = HEU_AssetDatabase.LoadAssetAtPath(terrainDataFile, typeof(TerrainData)) as TerrainData;
if (loadedTerrainData == null)
{
Debug.LogWarningFormat("TerrainData, set via attribute, not found at: {0}", terrainDataFile);
}
else
{
// In the case that the specified TerrainData belongs to another Terrain (i.e. input Terrain),
// make a copy of it and store it in our cache. Note that this overwrites existing TerrainData in our cache
// because the workflow is such that attributes will always override local setting.
string bakedTerrainPath = houdiniAsset.GetValidAssetCacheFolderPath();
bakedTerrainPath = HEU_Platform.BuildPath(bakedTerrainPath, relativeFolderPath);
terrainData = HEU_AssetDatabase.CopyAndLoadAssetAtAnyPath(loadedTerrainData, bakedTerrainPath, typeof(TerrainData), true) as TerrainData;
if (terrainData == null)
{
Debug.LogErrorFormat("Unable to copy TerrainData from {0} for generating Terrain.", terrainDataFile);
}
}
}
// Generate the terrain and terrain data from the height layer. This applies height values.
bResult = HEU_TerrainUtility.GenerateTerrainFromVolume(session, ref heightVolumeInfo, heightLayer._part.ParentGeoNode.GeoID,
heightLayer._part.PartID, heightLayer._part.OutputGameObject, ref terrainData, out terrainOffsetPosition);
if (!bResult || terrainData == null)
{
return;
}
if (_terrainData != terrainData)
{
_terrainData = terrainData;
heightLayer._part.SetTerrainData(terrainData, relativeFolderPath);
}
heightLayer._part.SetTerrainOffsetPosition(terrainOffsetPosition);
int terrainSize = terrainData.heightmapResolution;
// Now process TerrainLayers and alpha maps
// First, preprocess all layers to get heightfield arrays, converted to proper size
List<float[]> heightFields = new List<float[]>();
// Corresponding list of HF volume layers to process as splatmaps
List<HEU_VolumeLayer> volumeLayersToProcess = new List<HEU_VolumeLayer>();
int numLayers = _layers.Count;
float minHeight = 0;
float maxHeight = 0;
float heightRange = 0;
// This skips the height layer, and processes all other layers.
// Note that mask shouldn't be part of _layers at this point.
for(int i = 1; i < numLayers; ++i)
{
float[] normalizedHF = HEU_TerrainUtility.GetNormalizedHeightmapFromPartWithMinMax(session, _ownerNode.GeoID, _layers[i]._part.PartID,
_layers[i]._xLength, _layers[i]._yLength, ref minHeight, ref maxHeight, ref heightRange);
if (normalizedHF != null && normalizedHF.Length > 0)
{
heightFields.Add(normalizedHF);
volumeLayersToProcess.Add(_layers[i]);
}
}
int numVolumeLayers = volumeLayersToProcess.Count;
HAPI_NodeId geoID;
HAPI_PartId partID;
Texture2D defaultTexture = LoadDefaultSplatTexture();
#if UNITY_2018_3_OR_NEWER
// Create or update the terrain layers based on heightfield layers.
// Keep existing TerrainLayers, and either update or append to them
TerrainLayer[] existingTerrainLayers = terrainData.terrainLayers;
// Total layers are existing layers + new alpha maps
List<TerrainLayer> finalTerrainLayers = new List<TerrainLayer>(existingTerrainLayers);
// This holds the alpha map indices for each layer that will be added to the TerrainData.
// The alpha maps could be a mix of existing and new values, so need to know which to use
// Initially set to use existing alpha maps, then override later on if specified via HF layers
List<int> alphaMapIndices = new List<int>();
for (int a = 0; a < existingTerrainLayers.Length; ++a)
{
// Negative indices for existing alpha map (offset by -1)
alphaMapIndices.Add(-a - 1);
}
bool bNewTerrainLayer = false;
HEU_VolumeLayer layer = null;
TerrainLayer terrainLayer = null;
bool bSetTerrainLayerProperties = true;
for (int m = 0; m < numVolumeLayers; ++m)
{
bNewTerrainLayer = false;
bSetTerrainLayerProperties = true;
layer = volumeLayersToProcess[m];
geoID = _ownerNode.GeoID;
partID = layer._part.PartID;
terrainLayer = null;
int terrainLayerIndex = -1;
// The TerrainLayer attribute overrides existing TerrainLayer. So if its set, load and use it.
string terrainLayerFile = HEU_GeneralUtility.GetAttributeStringValueSingle(session, geoID, partID,
HEU_Defines.DEFAULT_UNITY_HEIGHTFIELD_TERRAINLAYER_FILE_ATTR, HAPI_AttributeOwner.HAPI_ATTROWNER_PRIM);
if (!string.IsNullOrEmpty(terrainLayerFile))
{
terrainLayer = HEU_AssetDatabase.LoadAssetAtPath(terrainLayerFile, typeof(TerrainLayer)) as TerrainLayer;
if (terrainLayer == null)
{
Debug.LogWarningFormat("TerrainLayer, set via attribute, not found at: {0}", terrainLayerFile);
// Not earlying out or skipping this layer due to error because we want to keep proper indexing
// by creating a new TerrainLayer.
}
else
{
// TerrainLayer loaded from attribute.
// It could be an existing TerrainLayer that is already part of finalTerrainLayers
// or could be a new one which needs to be added.
// If its a different TerrainLayer than existing, update the finalTerrainLayers, and index.
if (layer._terrainLayer != null && layer._terrainLayer != terrainLayer)
{
terrainLayerIndex = HEU_TerrainUtility.GetTerrainLayerIndex(layer._terrainLayer, existingTerrainLayers);
if (terrainLayerIndex >= 0)
{
finalTerrainLayers[terrainLayerIndex] = terrainLayer;
}
}
if (terrainLayerIndex == -1)
{
// Always check if its part of existing list so as not to add it again
terrainLayerIndex = HEU_TerrainUtility.GetTerrainLayerIndex(terrainLayer, existingTerrainLayers);
}
}
}
// No terrain layer specified, so try using existing if we have it
if (terrainLayer == null)
{
terrainLayerIndex = HEU_TerrainUtility.GetTerrainLayerIndex(layer._terrainLayer, existingTerrainLayers);
if (terrainLayerIndex >= 0)
{
// Note the terrainLayerIndex is same for finalTerrainLayers as existingTerrainLayers
terrainLayer = existingTerrainLayers[terrainLayerIndex];
}
}
// Still not found, so just create a new one
if (terrainLayer == null)
{
terrainLayer = new TerrainLayer();
terrainLayer.name = layer._layerName;
//Debug.LogFormat("Created new TerrainLayer with name: {0} ", terrainLayer.name);
bNewTerrainLayer = true;
}
if (terrainLayerIndex == -1)
{
// Adding to the finalTerrainLayers if this is indeed a newly created or loaded TerrainLayer
// (i.e. isn't already part of the TerrainLayers for this Terrain).
// Save this layer's index for later on if we make a copy.
terrainLayerIndex = finalTerrainLayers.Count;
finalTerrainLayers.Add(terrainLayer);
// Positive index for alpha map from heightfield (starting at 1)
alphaMapIndices.Add(m + 1);
}
else
{
// Positive index for alpha map from heightfield (starting at 1)
alphaMapIndices[terrainLayerIndex] = m + 1;
}
// For existing TerrainLayer, make a copy of it if it has custom layer attributes
// because we don't want to change the original TerrainLayer.
if (!bNewTerrainLayer && layer._hasLayerAttributes)
{
string bakedTerrainPath = houdiniAsset.GetValidAssetCacheFolderPath();
bakedTerrainPath = HEU_Platform.BuildPath(bakedTerrainPath, relativeFolderPath);
TerrainLayer prevTerrainLayer = terrainLayer;
terrainLayer = HEU_AssetDatabase.CopyAndLoadAssetAtAnyPath(terrainLayer, bakedTerrainPath, typeof(TerrainLayer), true) as TerrainLayer;
if (terrainLayer != null)
{
// Update the TerrainLayer reference in the list with this copy
finalTerrainLayers[terrainLayerIndex] = terrainLayer;
}
else
{
Debug.LogErrorFormat("Unable to copy TerrainLayer '{0}' for generating Terrain. "
+ "Using original TerrainLayer. Will not be able to set any TerrainLayer properties.", layer._layerName);
terrainLayer = prevTerrainLayer;
bSetTerrainLayerProperties = false;
// Again, continuing on to keep proper indexing.
}
}
// Now override layer properties if they have been set via attributes
if (bSetTerrainLayerProperties)
{
LoadLayerPropertiesFromAttributes(session, geoID, partID, terrainLayer, bNewTerrainLayer, defaultTexture);
}
if (bNewTerrainLayer)
{
// In order to retain the new TerrainLayer, it must be saved to the AssetDatabase.
Object savedObject = null;
string layerFileNameWithExt = terrainLayer.name;
if (!layerFileNameWithExt.EndsWith(HEU_Defines.HEU_EXT_TERRAINLAYER))
{
layerFileNameWithExt += HEU_Defines.HEU_EXT_TERRAINLAYER;
}
houdiniAsset.AddToAssetDBCache(layerFileNameWithExt, terrainLayer, relativeFolderPath, ref savedObject);
}
// Store reference
layer._terrainLayer = terrainLayer;
}
// Get existing alpha maps so we can reuse the values if needed
float[,,] existingAlphaMaps = terrainData.GetAlphamaps(0, 0, terrainData.alphamapWidth, terrainData.alphamapHeight);
terrainData.terrainLayers = finalTerrainLayers.ToArray();
int numTotalAlphaMaps = finalTerrainLayers.Count;
#else
// Create or update the SplatPrototype based on heightfield layers.
// Need to create or reuse SplatPrototype for each layer in heightfield, representing the textures.
SplatPrototype[] existingSplats = terrainData.splatPrototypes;
// A full rebuild clears out existing splats, but a regular cook keeps them.
List<SplatPrototype> finalSplats = new List<SplatPrototype>(existingSplats);
// This holds the alpha map indices for each layer that will be added to the TerrainData
// The alpha maps could be a mix of existing and new values, so need to know which to use
List<int> alphaMapIndices = new List<int>();
// Initially set to use existing alpha maps, then override later on if specified via HF layers.
for (int a = 0; a < existingSplats.Length; ++a)
{
// Negative indices for existing alpha map (offset by -1)
alphaMapIndices.Add(-a - 1);
}
bool bNewSplat = false;
HEU_VolumeLayer layer = null;
SplatPrototype splatPrototype = null;
for (int m = 0; m < numVolumeLayers; ++m)
{
bNewSplat = false;
layer = volumeLayersToProcess[m];
geoID = _ownerNode.GeoID;
partID = layer._part.PartID;
// Try to find existing SplatPrototype for reuse. But not for full rebuild.
splatPrototype = null;
if (layer._splatPrototypeIndex >= 0 && layer._splatPrototypeIndex < existingSplats.Length)
{
splatPrototype = existingSplats[layer._splatPrototypeIndex];
// Positive index for alpha map from heightfield (starting at 1)
alphaMapIndices[layer._splatPrototypeIndex] = m + 1;
}
if (splatPrototype == null)
{
splatPrototype = new SplatPrototype();
layer._splatPrototypeIndex = finalSplats.Count;
finalSplats.Add(splatPrototype);
// Positive index for alpha map from heightfield (starting at 1)
alphaMapIndices.Add(m + 1);
}
// Now override splat properties if they have been set via attributes
LoadLayerPropertiesFromAttributes(session, geoID, partID, splatPrototype, bNewSplat, defaultTexture);
}
// On regular cook, get existing alpha maps so we can reuse the values if needed.
float[,,] existingAlphaMaps = terrainData.GetAlphamaps(0, 0, terrainData.alphamapWidth, terrainData.alphamapHeight);
terrainData.splatPrototypes = finalSplats.ToArray();
int numTotalAlphaMaps = finalSplats.Count;
#endif
// Set alpha maps by combining with existing alpha maps, and appending new heightfields
float[,,] alphamap = null;
if (numTotalAlphaMaps > 0 && volumeLayersToProcess.Count > 0)
{
// Convert the heightfields into alpha maps with layer strengths
float[] strengths = new float[volumeLayersToProcess.Count];
for (int m = 0; m < volumeLayersToProcess.Count; ++m)
{
strengths[m] = volumeLayersToProcess[m]._strength;
}
alphamap = HEU_TerrainUtility.AppendConvertedHeightFieldToAlphaMap(
volumeLayersToProcess[0]._xLength, volumeLayersToProcess[0]._yLength, existingAlphaMaps,
heightFields, strengths, alphaMapIndices);
// Update the alphamap resolution to the actual size of the first
// heightfield layer used for the alphamaps.
// Setting the size before setting the alphamas applies proper scaling.
int alphamapResolution = volumeLayersToProcess[0]._xLength;
terrainData.alphamapResolution = alphamapResolution;
terrainData.SetAlphamaps(0, 0, alphamap);
}
// Tree instances for scattering
HEU_TerrainUtility.ApplyScatter(terrainData, _scatterTrees);
// If the layers were writen out, this saves the asset DB. Otherwise user has to save it themselves.
// Not 100% sure this is needed, but without this the editor doesn't know the terrain asset has been updated
// and therefore doesn't import and show the terrain layer.
HEU_AssetDatabase.SaveAssetDatabase();
}
/// <summary>
/// For the given object, returns its file path if it exists.
/// </summary>
/// <param name="inObject">Object to get the path for.</param>
/// <returns>Valid path or null if none found.</returns>
public static string LocateValidFilePath(UnityEngine.Object inObject)
{
return(inObject != null?HEU_AssetDatabase.GetAssetPath(inObject) : null);
}
private bool DrawDetailsGeometry()
{
bool bChanged = false;
EditorGUIUtility.labelWidth = 250;
{
bool oldValue = HEU_PluginSettings.Curves_ShowInSceneView;
bool newValue = HEU_EditorUI.DrawToggleLeft(oldValue, "Show Curves in Scene View");
if (newValue != oldValue)
{
HEU_PluginSettings.Curves_ShowInSceneView = newValue;
HEU_HoudiniAsset.SetCurvesVisibilityInScene(newValue);
bChanged = true;
}
}
HEU_EditorUI.DrawSeparator();
{
int oldValue = HEU_PluginSettings.MaxVerticesPerPrimitive;
int newValue = EditorGUILayout.DelayedIntField("Max Vertices Per Primitive", oldValue);
if (newValue != oldValue)
{
if (newValue == 3 || newValue == 4)
{
HEU_PluginSettings.MaxVerticesPerPrimitive = newValue;
bChanged = true;
}
else
{
Debug.LogWarningFormat("Plugin only supports 3 (triangles) or 4 (quads) max vertices values.");
}
}
}
HEU_EditorUI.DrawSeparator();
{
float oldValue = HEU_PluginSettings.NormalGenerationThresholdAngle;
float newValue = EditorGUILayout.DelayedFloatField("Normal Generation Threshold Angle", oldValue);
if (newValue != oldValue)
{
HEU_PluginSettings.NormalGenerationThresholdAngle = newValue;
bChanged = true;
}
}
HEU_EditorUI.DrawSeparator();
{
string oldValue = HEU_PluginSettings.DefaultTerrainMaterial;
if (_terrainMaterial == null && !string.IsNullOrEmpty(oldValue))
{
//Debug.Log("Loading terrain material at: " + oldValue);
_terrainMaterial = HEU_MaterialFactory.LoadUnityMaterial(oldValue);
}
Material newMaterial = EditorGUILayout.ObjectField("Default Terrain Material", _terrainMaterial, typeof(Material), false) as Material;
if (newMaterial != _terrainMaterial)
{
string materialPath = "";
if (newMaterial != null)
{
materialPath = HEU_AssetDatabase.GetAssetPathWithSubAssetSupport(newMaterial);
if (!string.IsNullOrEmpty(materialPath) && (materialPath.StartsWith(HEU_Defines.DEFAULT_UNITY_BUILTIN_RESOURCES)))
{
// Default materials need to be specially handled
materialPath = HEU_AssetDatabase.GetUniqueAssetPathForUnityAsset(newMaterial);
newMaterial = HEU_AssetDatabase.LoadUnityAssetFromUniqueAssetPath<Material>(materialPath);
}
}
HEU_PluginSettings.DefaultTerrainMaterial = materialPath;
_terrainMaterial = newMaterial;
bChanged = true;
}
}
HEU_EditorUI.DrawSeparator();
{
string oldValue = HEU_PluginSettings.TerrainSplatTextureDefault;
string newValue = EditorGUILayout.DelayedTextField("Default Terrain Splat Texture", oldValue);
if (!newValue.Equals(oldValue))
{
HEU_PluginSettings.TerrainSplatTextureDefault = newValue;
bChanged = true;
}
}
HEU_EditorUI.DrawSeparator();
{
string oldValue = HEU_PluginSettings.DefaultStandardShader;
string newValue = EditorGUILayout.DelayedTextField("Default Standard Shader", oldValue);
if (!newValue.Equals(oldValue))
{
HEU_PluginSettings.DefaultStandardShader = newValue;
bChanged = true;
}
}
HEU_EditorUI.DrawSeparator();
{
string oldValue = HEU_PluginSettings.DefaultTransparentShader;
string newValue = EditorGUILayout.DelayedTextField("Default Transparent Shader", oldValue);
if (!newValue.Equals(oldValue))
{
HEU_PluginSettings.DefaultTransparentShader = newValue;
bChanged = true;
}
}
HEU_EditorUI.DrawSeparator();
{
string oldValue = HEU_PluginSettings.DefaultVertexColorShader;
string newValue = EditorGUILayout.DelayedTextField("Default Vertex Color Shader", oldValue);
if (!newValue.Equals(oldValue))
{
HEU_PluginSettings.DefaultVertexColorShader = newValue;
bChanged = true;
}
}
HEU_EditorUI.DrawSeparator();
{
string oldValue = HEU_PluginSettings.DefaultCurveShader;
string newValue = EditorGUILayout.DelayedTextField("Default Curve Shader", oldValue);
if (!newValue.Equals(oldValue))
{
HEU_PluginSettings.DefaultCurveShader = newValue;
bChanged = true;
}
}
HEU_EditorUI.DrawSeparator();
EditorGUIUtility.labelWidth = 0;
return bChanged;
}
public static void WriteMaterialToAssetCache(Material material, string assetCacheFolderPath, string materialName)
{
string materialFileName = materialName + HEU_Defines.HEU_EXT_MAT;
//Debug.LogFormat("Writing material {0} out to {1}", materialFileName, assetCacheFolderPath);
HEU_AssetDatabase.CreateObjectInAssetCacheFolder(material, assetCacheFolderPath, HEU_Defines.HEU_FOLDER_MATERIALS, materialFileName, typeof(Material));
}
public void PopulateInputPreset(HEU_InputPreset inputPreset)
{
inputPreset._inputObjectType = _inputObjectType;
// Deprecated and replaced with _inputAssetPresets. Leaving it in for backwards compatibility.
//inputPreset._inputAssetName = _inputAsset != null ? _inputAsset.name : "";
inputPreset._inputIndex = _inputIndex;
inputPreset._inputName = _inputName;
inputPreset._keepWorldTransform = _keepWorldTransform;
inputPreset._packGeometryBeforeMerging = _packGeometryBeforeMerging;
foreach (HEU_InputObjectInfo inputObject in _inputObjects)
{
HEU_InputObjectPreset inputObjectPreset = new HEU_InputObjectPreset();
if (inputObject._gameObject != null)
{
inputObjectPreset._gameObjectName = inputObject._gameObject.name;
// Tag whether scene or project input object
inputObjectPreset._isSceneObject = !HEU_GeneralUtility.IsGameObjectInProject(inputObject._gameObject);
if (!inputObjectPreset._isSceneObject)
{
// For inputs in project, use the project path as name
inputObjectPreset._gameObjectName = HEU_AssetDatabase.GetAssetOrScenePath(inputObject._gameObject);
}
}
else
{
inputObjectPreset._gameObjectName = "";
}
inputObjectPreset._useTransformOffset = inputObject._useTransformOffset;
inputObjectPreset._translateOffset = inputObject._translateOffset;
inputObjectPreset._rotateOffset = inputObject._rotateOffset;
inputObjectPreset._scaleOffset = inputObject._scaleOffset;
inputPreset._inputObjectPresets.Add(inputObjectPreset);
}
foreach (HEU_InputHDAInfo hdaInfo in _inputAssetInfos)
{
HEU_InputAssetPreset inputAssetPreset = new HEU_InputAssetPreset();
if (hdaInfo._connectedGO != null)
{
if (!HEU_GeneralUtility.IsGameObjectInProject(hdaInfo._connectedGO))
{
inputAssetPreset._gameObjectName = hdaInfo._connectedGO.name;
}
else
{
inputAssetPreset._gameObjectName = "";
}
inputPreset._inputAssetPresets.Add(inputAssetPreset);
}
}
}
public static bool DoesMaterialExistInAssetCache(Material material)
{
return !string.IsNullOrEmpty(HEU_AssetDatabase.GetAssetPath(material));
}
/// <summary>
/// Upload the inputData (mesh geometry) into the input node with inputNodeID.
/// </summary>
/// <param name="session">Session that the input node exists in</param>
/// <param name="inputNodeID">ID of the input node</param>
/// <param name="inputData">Container of the mesh geometry</param>
/// <returns>True if successfully uploaded data</returns>
public bool UploadData(HEU_SessionBase session, HAPI_NodeId inputNodeID, HEU_InputData inputData)
{
HEU_InputDataMeshes inputDataMeshes = inputData as HEU_InputDataMeshes;
if (inputDataMeshes == null)
{
Debug.LogError("Expected HEU_InputDataMeshes type for inputData, but received unsupported type.");
return false;
}
List<Vector3> vertices = new List<Vector3>();
List<Vector3> normals = new List<Vector3>();
List<Vector2> uvs = new List<Vector2>();
List<Color> colors = new List<Color>();
List<int> pointIndexList = new List<int>();
List<int> vertIndexList = new List<int>();
int numMaterials = 0;
int numMeshes = inputDataMeshes._inputMeshes.Count;
// Get the parent's world transform, so when there are multiple child meshes,
// can merge and apply their local transform after subtracting their parent's world transform
Matrix4x4 rootInvertTransformMatrix = Matrix4x4.identity;
if (numMeshes > 1)
{
rootInvertTransformMatrix = inputDataMeshes._inputObject.transform.worldToLocalMatrix;
}
// For all meshes:
// Accumulate vertices, normals, uvs, colors, and indices.
// Keep track of indices start and count for each mesh for later when uploading material assignments and groups.
// Find shared vertices, and use unique set of vertices to use as point positions.
// Need to reindex indices for both unique vertices, as well as vertex attributes.
for (int i = 0; i < numMeshes; ++i)
{
Vector3[] meshVertices = inputDataMeshes._inputMeshes[i]._mesh.vertices;
Matrix4x4 localToWorld = inputDataMeshes._inputMeshes[i]._transform.localToWorldMatrix * rootInvertTransformMatrix;
List<Vector3> uniqueVertices = new List<Vector3>();
// Keep track of old vertex positions (old vertex slot points to new unique vertex slot)
int[] reindexVertices = new int[meshVertices.Length];
for (int j = 0; j < meshVertices.Length; ++j)
{
reindexVertices[j] = -1;
}
// For each vertex, check against subsequent vertices for shared positions.
for (int a = 0; a < meshVertices.Length; ++a)
{
Vector3 va = meshVertices[a];
if (reindexVertices[a] == -1)
{
if (numMeshes > 1 && !inputDataMeshes._hasLOD)
{
// For multiple meshes that are not LODs, apply local transform on vertices to get the merged mesh.
uniqueVertices.Add(localToWorld.MultiplyPoint(va));
}
else
{
uniqueVertices.Add(va);
}
// Reindex to point to unique vertex slot
reindexVertices[a] = uniqueVertices.Count - 1;
}
for (int b = a + 1; b < meshVertices.Length; ++b)
{
if (va == meshVertices[b])
{
// Shared vertex -> reindex to point to unique vertex slot
reindexVertices[b] = reindexVertices[a];
}
}
}
int vertexOffset = vertices.Count;
vertices.AddRange(uniqueVertices);
Vector3[] meshNormals = inputDataMeshes._inputMeshes[i]._mesh.normals;
Vector2[] meshUVs = inputDataMeshes._inputMeshes[i]._mesh.uv;
Color[] meshColors = inputDataMeshes._inputMeshes[i]._mesh.colors;
inputDataMeshes._inputMeshes[i]._indexStart = new uint[inputDataMeshes._inputMeshes[i]._numSubMeshes];
inputDataMeshes._inputMeshes[i]._indexCount = new uint[inputDataMeshes._inputMeshes[i]._numSubMeshes];
// For each submesh:
// Generate face to point index -> pointIndexList
// Generate face to vertex attribute index -> vertIndexList
for (int j = 0; j < inputDataMeshes._inputMeshes[i]._numSubMeshes; ++j)
{
int indexStart = pointIndexList.Count;
int vertIndexStart = vertIndexList.Count;
// Indices have to be re-indexed with our own offset
int[] meshIndices = inputDataMeshes._inputMeshes[i]._mesh.GetTriangles(j);
int numIndices = meshIndices.Length;
for (int k = 0; k < numIndices; ++k)
{
int originalIndex = meshIndices[k];
meshIndices[k] = reindexVertices[originalIndex];
pointIndexList.Add(vertexOffset + meshIndices[k]);
vertIndexList.Add(vertIndexStart + k);
if (meshNormals != null && (originalIndex < meshNormals.Length))
{
normals.Add(meshNormals[originalIndex]);
}
if (meshUVs != null && (originalIndex < meshUVs.Length))
{
uvs.Add(meshUVs[originalIndex]);
}
if (meshColors != null && (originalIndex < meshColors.Length))
{
colors.Add(meshColors[originalIndex]);
}
}
inputDataMeshes._inputMeshes[i]._indexStart[j] = (uint)indexStart;
inputDataMeshes._inputMeshes[i]._indexCount[j] = (uint)(pointIndexList.Count) - inputDataMeshes._inputMeshes[i]._indexStart[j];
}
numMaterials += inputDataMeshes._inputMeshes[i]._materials != null ? inputDataMeshes._inputMeshes[i]._materials.Length : 0;
}
// It is possible for some meshes to not have normals/uvs/colors while others do.
// In the case where an attribute is missing on some meshes, we clear out those attributes so we don't upload
// partial attribute data.
int totalAllVertexCount = vertIndexList.Count;
if (normals.Count != totalAllVertexCount)
{
normals = null;
}
if (uvs.Count != totalAllVertexCount)
{
uvs = null;
}
if (colors.Count != totalAllVertexCount)
{
colors = null;
}
HAPI_PartInfo partInfo = new HAPI_PartInfo();
partInfo.faceCount = vertIndexList.Count / 3;
partInfo.vertexCount = vertIndexList.Count;
partInfo.pointCount = vertices.Count;
partInfo.pointAttributeCount = 1;
partInfo.vertexAttributeCount = 0;
partInfo.primitiveAttributeCount = 0;
partInfo.detailAttributeCount = 0;
if (normals != null && normals.Count > 0)
{
partInfo.vertexAttributeCount++;
}
if (uvs != null && uvs.Count > 0)
{
partInfo.vertexAttributeCount++;
}
if (colors != null && colors.Count > 0)
{
partInfo.vertexAttributeCount++;
}
if (numMaterials > 0)
{
partInfo.primitiveAttributeCount++;
}
if (numMeshes > 0)
{
partInfo.primitiveAttributeCount++;
}
if (inputDataMeshes._hasLOD)
{
partInfo.primitiveAttributeCount++;
partInfo.detailAttributeCount++;
}
HAPI_GeoInfo displayGeoInfo = new HAPI_GeoInfo();
if (!session.GetDisplayGeoInfo(inputNodeID, ref displayGeoInfo))
{
return false;
}
HAPI_NodeId displayNodeID = displayGeoInfo.nodeId;
if (!session.SetPartInfo(displayNodeID, 0, ref partInfo))
{
Debug.LogError("Failed to set input part info. ");
return false;
}
int[] faceCounts = new int[partInfo.faceCount];
for (int i = 0; i < partInfo.faceCount; ++i)
{
faceCounts[i] = 3;
}
int[] triIndices = pointIndexList.ToArray();
if (!HEU_GeneralUtility.SetArray2Arg(displayNodeID, 0, session.SetFaceCount, faceCounts, 0, partInfo.faceCount))
{
Debug.LogError("Failed to set input geometry face counts.");
return false;
}
if (!HEU_GeneralUtility.SetArray2Arg(displayNodeID, 0, session.SetVertexList, triIndices, 0, partInfo.vertexCount))
{
Debug.LogError("Failed to set input geometry indices.");
return false;
}
if (!HEU_InputMeshUtility.SetMeshPointAttribute(session, displayNodeID, 0, HEU_Defines.HAPI_ATTRIB_POSITION, 3, vertices.ToArray(), ref partInfo, true))
{
Debug.LogError("Failed to set input geometry position.");
return false;
}
int[] vertIndices = vertIndexList.ToArray();
//if(normals != null && !SetMeshPointAttribute(session, displayNodeID, 0, HEU_Defines.HAPI_ATTRIB_NORMAL, 3, normals.ToArray(), ref partInfo, true))
if (normals != null && !HEU_InputMeshUtility.SetMeshVertexAttribute(session, displayNodeID, 0, HEU_Defines.HAPI_ATTRIB_NORMAL, 3, normals.ToArray(), vertIndices, ref partInfo, true))
{
Debug.LogError("Failed to set input geometry normals.");
return false;
}
if (uvs != null && uvs.Count > 0)
{
Vector3[] uvs3 = new Vector3[uvs.Count];
for (int i = 0; i < uvs.Count; ++i)
{
uvs3[i][0] = uvs[i][0];
uvs3[i][1] = uvs[i][1];
uvs3[i][2] = 0;
}
//if(!SetMeshPointAttribute(session, displayNodeID, 0, HEU_Defines.HAPI_ATTRIB_UV, 3, uvs3, ref partInfo, false))
if (!HEU_InputMeshUtility.SetMeshVertexAttribute(session, displayNodeID, 0, HEU_Defines.HAPI_ATTRIB_UV, 3, uvs3, vertIndices, ref partInfo, false))
{
Debug.LogError("Failed to set input geometry UVs.");
return false;
}
}
if (colors != null && colors.Count > 0)
{
Vector3[] rgb = new Vector3[colors.Count];
float[] alpha = new float[colors.Count];
for (int i = 0; i < colors.Count; ++i)
{
rgb[i][0] = colors[i].r;
rgb[i][1] = colors[i].g;
rgb[i][2] = colors[i].b;
alpha[i] = colors[i].a;
}
//if(!SetMeshPointAttribute(session, displayNodeID, 0, HEU_Defines.HAPI_ATTRIB_COLOR, 3, rgb, ref partInfo, false))
if (!HEU_InputMeshUtility.SetMeshVertexAttribute(session, displayNodeID, 0, HEU_Defines.HAPI_ATTRIB_COLOR, 3, rgb, vertIndices, ref partInfo, false))
{
Debug.LogError("Failed to set input geometry colors.");
return false;
}
//if(!SetMeshPointAttribute(session, displayNodeID, 0, HEU_Defines.HAPI_ATTRIB_ALPHA, 1, alpha, ref partInfo, false))
if (!HEU_InputMeshUtility.SetMeshVertexFloatAttribute(session, displayNodeID, 0, HEU_Defines.HAPI_ATTRIB_ALPHA, 1, alpha, vertIndices, ref partInfo))
{
Debug.LogError("Failed to set input geometry color alpha.");
return false;
}
}
// Set material names for round-trip perservation of material assignment
// Each HEU_UploadMeshData might have a list of submeshes and materials
// These are all combined into a single mesh, with group names
if (numMaterials > 0)
{
bool bFoundAtleastOneValidMaterial = false;
string[] materialIDs = new string[partInfo.faceCount];
for (int g = 0; g < inputDataMeshes._inputMeshes.Count; ++g)
{
if (inputDataMeshes._inputMeshes[g]._numSubMeshes != inputDataMeshes._inputMeshes[g]._materials.Length)
{
// Number of submeshes should equal number of materials since materials determine submeshes
continue;
}
for (int i = 0; i < inputDataMeshes._inputMeshes[g]._materials.Length; ++i)
{
string materialName = HEU_AssetDatabase.GetAssetPathWithSubAssetSupport(inputDataMeshes._inputMeshes[g]._materials[i]);
if (materialName == null)
{
materialName = "";
}
else if (materialName.StartsWith(HEU_Defines.DEFAULT_UNITY_BUILTIN_RESOURCES))
{
materialName = HEU_AssetDatabase.GetUniqueAssetPathForUnityAsset(inputDataMeshes._inputMeshes[g]._materials[i]);
}
bFoundAtleastOneValidMaterial |= !string.IsNullOrEmpty(materialName);
int faceStart = (int)inputDataMeshes._inputMeshes[g]._indexStart[i] / 3;
int faceEnd = faceStart + ((int)inputDataMeshes._inputMeshes[g]._indexCount[i] / 3);
for (int m = faceStart; m < faceEnd; ++m)
{
materialIDs[m] = materialName;
}
}
}
if (bFoundAtleastOneValidMaterial)
{
HAPI_AttributeInfo materialIDAttrInfo = new HAPI_AttributeInfo();
materialIDAttrInfo.exists = true;
materialIDAttrInfo.owner = HAPI_AttributeOwner.HAPI_ATTROWNER_PRIM;
materialIDAttrInfo.storage = HAPI_StorageType.HAPI_STORAGETYPE_STRING;
materialIDAttrInfo.count = partInfo.faceCount;
materialIDAttrInfo.tupleSize = 1;
materialIDAttrInfo.originalOwner = HAPI_AttributeOwner.HAPI_ATTROWNER_INVALID;
if (!session.AddAttribute(displayNodeID, 0, HEU_PluginSettings.UnityMaterialAttribName, ref materialIDAttrInfo))
{
Debug.LogError("Failed to add input geometry unity material name attribute.");
return false;
}
if (!HEU_GeneralUtility.SetAttributeArray(displayNodeID, 0, HEU_PluginSettings.UnityMaterialAttribName, ref materialIDAttrInfo, materialIDs, session.SetAttributeStringData, partInfo.faceCount))
{
Debug.LogError("Failed to set input geometry unity material name.");
return false;
}
}
}
// Set mesh name attribute
HAPI_AttributeInfo attrInfo = new HAPI_AttributeInfo();
attrInfo.exists = true;
attrInfo.owner = HAPI_AttributeOwner.HAPI_ATTROWNER_PRIM;
attrInfo.storage = HAPI_StorageType.HAPI_STORAGETYPE_STRING;
attrInfo.count = partInfo.faceCount;
attrInfo.tupleSize = 1;
attrInfo.originalOwner = HAPI_AttributeOwner.HAPI_ATTROWNER_INVALID;
if (session.AddAttribute(displayNodeID, 0, HEU_PluginSettings.UnityInputMeshAttr, ref attrInfo))
{
string[] primitiveNameAttr = new string[partInfo.faceCount];
for (int g = 0; g < inputDataMeshes._inputMeshes.Count; ++g)
{
for (int i = 0; i < inputDataMeshes._inputMeshes[g]._numSubMeshes; ++i)
{
int faceStart = (int)inputDataMeshes._inputMeshes[g]._indexStart[i] / 3;
int faceEnd = faceStart + ((int)inputDataMeshes._inputMeshes[g]._indexCount[i] / 3);
for (int m = faceStart; m < faceEnd; ++m)
{
primitiveNameAttr[m] = inputDataMeshes._inputMeshes[g]._meshPath;
}
}
}
if (!HEU_GeneralUtility.SetAttributeArray(displayNodeID, 0, HEU_PluginSettings.UnityInputMeshAttr, ref attrInfo, primitiveNameAttr, session.SetAttributeStringData, partInfo.faceCount))
{
Debug.LogError("Failed to set input geometry unity mesh name.");
return false;
}
}
else
{
return false;
}
// Set LOD group membership
if (inputDataMeshes._hasLOD)
{
int[] membership = new int[partInfo.faceCount];
for (int g = 0; g < inputDataMeshes._inputMeshes.Count; ++g)
{
if (g > 0)
{
// Clear array
for (int m = 0; m < partInfo.faceCount; ++m)
{
membership[m] = 0;
}
}
// Set 1 for faces belonging to this group
for (int s = 0; s < inputDataMeshes._inputMeshes[g]._numSubMeshes; ++s)
{
int faceStart = (int)inputDataMeshes._inputMeshes[g]._indexStart[s] / 3;
int faceEnd = faceStart + ((int)inputDataMeshes._inputMeshes[g]._indexCount[s] / 3);
for (int m = faceStart; m < faceEnd; ++m)
{
membership[m] = 1;
}
}
if (!session.AddGroup(displayNodeID, 0, HAPI_GroupType.HAPI_GROUPTYPE_PRIM, inputDataMeshes._inputMeshes[g]._meshName))
{
Debug.LogError("Failed to add input geometry LOD group name.");
return false;
}
if (!session.SetGroupMembership(displayNodeID, 0, HAPI_GroupType.HAPI_GROUPTYPE_PRIM, inputDataMeshes._inputMeshes[g]._meshName, membership, 0, partInfo.faceCount))
{
Debug.LogError("Failed to set input geometry LOD group name.");
return false;
}
}
}
return session.CommitGeo(displayNodeID);
}
public static void DeleteAssetMaterial(Material material)
{
HEU_AssetDatabase.DeleteAsset(material);
}