public void PopulateDetailPrototype(HEU_SessionBase session, HAPI_NodeId geoID, HAPI_PartId partID,
HEU_VolumeLayer layer)
{
HEU_TerrainUtility.PopulateDetailPrototype(session, geoID, partID, ref layer._detailPrototype);
}
public virtual bool GetHeightFieldData(HAPI_NodeId nodeID, HAPI_PartId partID, float[] valuesArray, int start, int length)
{
return false;
}
public virtual bool SetVolumeTileFloatData(HAPI_NodeId nodeID, HAPI_PartId partID, ref HAPI_VolumeTileInfo tileInfo, float[] valuesArray, int length)
{
valuesArray = new float[0];
return false;
}
public virtual bool AddGroup(HAPI_NodeId nodeID, HAPI_PartId partID, HAPI_GroupType groupType, string groupName)
{
return false;
}
// MATERIALS --------------------------------------------------------------------------------------------------
/// <summary>
/// Get the Material on the specified Part
/// </summary>
/// <param name="nodeID">The node ID</param>
/// <param name="partID">The part ID</param>
/// <param name="materialInfo">A valid material info to populate</param>
/// <returns>True if successfully queried the material info</returns>
public virtual bool GetMaterialOnPart(HAPI_NodeId nodeID, HAPI_PartId partID, ref HAPI_MaterialInfo materialInfo)
{
return false;
}
public virtual bool SetFaceCount(HAPI_NodeId nodeID, HAPI_PartId partID, int[] faceCounts, int start, int length)
{
return false;
}
public virtual bool SetAttributeStringData(HAPI_NodeId nodeID, HAPI_PartId partID, string name, ref HAPI_AttributeInfo attrInfo,
string[] data, int start, int length)
{
return false;
}
/// <summary>
/// Get the main geometry info struct.
/// </summary>
/// <param name="nodeID">The SOP node ID</param>
/// <param name="partID">The part ID</param>
/// <param name="name">Attribute name</param>
/// <param name="owner">Attribute owner</param>
/// <param name="attributeInfo">Info to populate</param>
/// <returns>True if successfully queried the attribute info</returns>
public virtual bool GetAttributeInfo(HAPI_NodeId nodeID, HAPI_PartId partID, string name, HAPI_AttributeOwner owner, ref HAPI_AttributeInfo attributeInfo)
{
return false;
}
/// <summary>
/// Get the attribute names of all attributes having owner of the given part.
/// </summary>
/// <param name="nodeID">The SOP node ID</param>
/// <param name="partID">The part ID</param>
/// <param name="owner">Attributes must have this owner type</param>
/// <param name="attributeNames">Result array of name strings. Must be atleast count size.</param>
/// <param name="count">Expected number of attributes. Should be from HAPI_PartInfo.attributeCounts[owner].</param>
/// <returns>True if successfully retrieved the names</returns>
public virtual bool GetAttributeNames(HAPI_NodeId nodeID, HAPI_PartId partID, HAPI_AttributeOwner owner, ref string[] attributeNames, int count)
{
return false;
}
public static HEU_MaterialData CreateHoudiniMaterialData(HEU_SessionBase session, HAPI_NodeId assetID, HAPI_NodeId materialID, HAPI_NodeId geoID, HAPI_PartId partID, List<HEU_MaterialData> materialCache, string assetCacheFolderPath)
{
string materialName = "";
if (materialID == HEU_Defines.HEU_INVALID_NODE_ID)
{
return GetOrCreateDefaultMaterialInCache(session, geoID, partID, false, materialCache, assetCacheFolderPath);
}
else
{
materialName = HEU_SessionManager.GetUniqueMaterialShopName(assetID, materialID);
}
HEU_MaterialData materialData = ScriptableObject.CreateInstance<HEU_MaterialData>();
materialData._materialSource = HEU_MaterialData.Source.HOUDINI;
materialData._materialKey = materialID;
materialData._material = HEU_MaterialFactory.CreateNewHoudiniStandardMaterial(assetCacheFolderPath, materialName, true);
materialData._material.name = materialName;
//HEU_Logger.LogFormat("New Material ID: {0} - {1}", materialID, materialName);
if (materialID != HEU_Defines.HEU_INVALID_NODE_ID)
{
// Get material info from Houdini to populate the Unity material values
HAPI_MaterialInfo materialInfo = new HAPI_MaterialInfo();
if (session.GetMaterialInfo(materialID, ref materialInfo))
{
if (materialInfo.exists)
{
materialData.UpdateMaterialFromHoudini(materialInfo, assetCacheFolderPath);
}
}
}
//HEU_Logger.LogFormat("Created new material with id={0} and name={1}", materialID, materialName);
materialCache.Add(materialData);
return materialData;
}
private float[] GetHeightfield(HEU_SessionBase session, HAPI_NodeId geoID, HAPI_PartId partID, string partName, int terrainSize)
{
HAPI_VolumeInfo volumeInfo = new HAPI_VolumeInfo();
bool bResult = session.GetVolumeInfo(geoID, partID, ref volumeInfo);
if (!bResult)
{
return null;
}
int volumeXLength = volumeInfo.xLength;
int volumeYLength = volumeInfo.yLength;
// Number of heightfield values
int totalHeightValues = volumeXLength * volumeYLength;
float[] heightValues = new float[totalHeightValues];
bResult = HEU_GeneralUtility.GetArray2Arg(geoID, partID, session.GetHeightFieldData, heightValues, 0, totalHeightValues);
if (!bResult)
{
Debug.LogErrorFormat("Unable to get heightfield data from part {0}", partName);
return null;
}
float minHeight = heightValues[0];
float maxHeight = minHeight;
for (int i = 0; i < totalHeightValues; ++i)
{
float f = heightValues[i];
if (f > maxHeight)
{
maxHeight = f;
}
else if (f < minHeight)
{
minHeight = f;
}
}
float heightRange = (maxHeight - minHeight);
if(heightRange == 0f)
{
heightRange = 1f;
}
//Debug.LogFormat("{0} : {1}", HEU_SessionManager.GetString(volumeInfo.nameSH, session), heightRange);
// Remap height values to fit terrain size
int paddingWidth = terrainSize - volumeXLength;
int paddingLeft = Mathf.CeilToInt(paddingWidth * 0.5f);
int paddingRight = terrainSize - paddingLeft;
//Debug.LogFormat("Padding: Width={0}, Left={1}, Right={2}", paddingWidth, paddingLeft, paddingRight);
int paddingHeight = terrainSize - volumeYLength;
int paddingTop = Mathf.CeilToInt(paddingHeight * 0.5f);
int paddingBottom = terrainSize - paddingTop;
//Debug.LogFormat("Padding: Height={0}, Top={1}, Bottom={2}", paddingHeight, paddingTop, paddingBottom);
// Set height values at centre of the terrain, with padding on the sides if we resized
float[] resizedHeightValues = new float[terrainSize * terrainSize];
for (int y = 0; y < terrainSize; ++y)
{
for (int x = 0; x < terrainSize; ++x)
{
if (y >= paddingTop && y < (paddingBottom) && x >= paddingLeft && x < (paddingRight))
{
int ay = x - paddingLeft;
int ax = y - paddingTop;
float f = heightValues[ay + ax * volumeXLength] - minHeight;
f /= heightRange;
// Flip for right-hand to left-handed coordinate system
int ix = x;
int iy = terrainSize - (y + 1);
// Unity expects height array indexing to be [y, x].
resizedHeightValues[iy + ix * terrainSize] = f;
}
}
}
return resizedHeightValues;
}
public static string GenerateDefaultMaterialName(HAPI_NodeId geoID, HAPI_PartId partID)
{
return string.Format("{0}_{1}_{2}", HEU_Defines.DEFAULT_MATERIAL, geoID, partID);
}
public static HEU_MaterialData GetOrCreateDefaultMaterialInCache(HEU_SessionBase session, HAPI_NodeId geoID, HAPI_PartId partID, bool bWriteToFile, List<HEU_MaterialData> materialCache,
string assetCacheFolderPath)
{
string materialName = GenerateDefaultMaterialName(geoID, partID);
int materialKey = HEU_MaterialFactory.MaterialNameToKey(materialName);
HEU_MaterialData materialData = GetMaterialDataFromCache(materialKey, materialCache);
if (materialData == null)
{
materialData = CreateMaterialInCache(materialKey, materialName, HEU_MaterialData.Source.DEFAULT, bWriteToFile, materialCache, assetCacheFolderPath);
}
return materialData;
}
public void LoadLayerPropertiesFromAttributes(HEU_SessionBase session, HAPI_NodeId geoID, HAPI_PartId partID, TerrainLayer terrainLayer,
bool bNewTerrainLayer, Texture2D defaultTexture)
{
Texture2D diffuseTexture = null;
if (LoadLayerTextureFromAttribute(session, geoID, partID, HEU_Defines.DEFAULT_UNITY_HEIGHTFIELD_TEXTURE_DIFFUSE_ATTR, out diffuseTexture))
{
terrainLayer.diffuseTexture = diffuseTexture;
}
if (terrainLayer.diffuseTexture == null && bNewTerrainLayer)
{
// Applying default texture if this layer was created newly and no texture was specified.
// Unity always seems to require a default texture when creating a new layer normally.
terrainLayer.diffuseTexture = defaultTexture;
}
Texture2D maskTexture = null;
if (LoadLayerTextureFromAttribute(session, geoID, partID, HEU_Defines.DEFAULT_UNITY_HEIGHTFIELD_TEXTURE_MASK_ATTR, out maskTexture))
{
terrainLayer.maskMapTexture = maskTexture;
}
Texture2D normalTexture = null;
if (LoadLayerTextureFromAttribute(session, geoID, partID, HEU_Defines.DEFAULT_UNITY_HEIGHTFIELD_TEXTURE_NORMAL_ATTR, out normalTexture))
{
terrainLayer.normalMapTexture = normalTexture;
}
float normalScale = 0f;
if (LoadLayerFloatFromAttribute(session, geoID, partID, HEU_Defines.DEFAULT_UNITY_HEIGHTFIELD_NORMAL_SCALE_ATTR, ref normalScale))
{
terrainLayer.normalScale = normalScale;
}
float metallic = 0f;
if (LoadLayerFloatFromAttribute(session, geoID, partID, HEU_Defines.DEFAULT_UNITY_HEIGHTFIELD_METALLIC_ATTR, ref metallic))
{
terrainLayer.metallic = metallic;
}
float smoothness = 0f;
if (LoadLayerFloatFromAttribute(session, geoID, partID, HEU_Defines.DEFAULT_UNITY_HEIGHTFIELD_SMOOTHNESS_ATTR, ref smoothness))
{
terrainLayer.smoothness = smoothness;
}
Color specularColor = new Color();
if (LoadLayerColorFromAttribute(session, geoID, partID, HEU_Defines.DEFAULT_UNITY_HEIGHTFIELD_SPECULAR_ATTR, ref specularColor))
{
terrainLayer.specular = specularColor;
}
Vector2 tileOffset = new Vector2();
if (LoadLayerVector2FromAttribute(session, geoID, partID, HEU_Defines.DEFAULT_UNITY_HEIGHTFIELD_TILE_OFFSET_ATTR, ref tileOffset))
{
terrainLayer.tileOffset = tileOffset;
}
Vector2 tileSize = new Vector2();
if (LoadLayerVector2FromAttribute(session, geoID, partID, HEU_Defines.DEFAULT_UNITY_HEIGHTFIELD_TILE_SIZE_ATTR, ref tileSize))
{
terrainLayer.tileSize = tileSize;
}
if (terrainLayer.tileSize.magnitude == 0f)
{
// Use texture size if tile size is 0
terrainLayer.tileSize = new Vector2(terrainLayer.diffuseTexture.width, terrainLayer.diffuseTexture.height);
}
}
public virtual bool GetCurveCounts(HAPI_NodeId nodeID, HAPI_PartId partID, [Out] int[] counts, int start, int length)
{
return false;
}
/// <summary>
/// Get the attribute string data.
/// </summary>
/// <param name="nodeID">The node ID</param>
/// <param name="partID">The part ID</param>
/// <param name="name">Attribute name</param>
/// <param name="attributeInfo">Atttribute info</param>
/// <param name="dataArray">Array to populate. Must be at least the size of length * HAPI_AttributeInfo::tupleSize</param>
/// <param name="start">First index of range. Must be at least 0 and at most HAPI_AttributeInfo::count - 1</param>
/// <param name="length">Must be at least 0 and at most HAPI_AttributeInfo::count - start</param>
/// <returns>True if successfully queried the atttribute string data</returns>
public virtual bool GetAttributeStringData(HAPI_NodeId nodeID, HAPI_PartId partID, string name, ref HAPI_AttributeInfo attributeInfo, [Out] HAPI_StringHandle[] dataArray, int start, int length)
{
return false;
}
// GEOMETRY SETTERS -------------------------------------------------------------------------------------------
public virtual bool SetPartInfo(HAPI_NodeId nodeID, HAPI_PartId partID, ref HAPI_PartInfo partInfo)
{
return false;
}
/// <summary>
/// Get the attribute float data.
/// </summary>
/// <param name="nodeID">The node ID</param>
/// <param name="partID">The part ID</param>
/// <param name="name">Attribut ename</param>
/// <param name="attributeInfo">Should be same struct returned by HAPI_GetAttributeInfo</param>
/// <param name="data">A float array at least the size of length * HAPI_AttributeInfo::tupleSize</param>
/// <param name="start">First index of range. Must be at least 0 and at most HAPI_AttributeInfo::count - 1</param>
/// <param name="length">Must be at least 0 and at most HAPI_AttributeInfo::count - start.</param>
/// <returns>True if successfully queried the atttribute float data</returns>
public virtual bool GetAttributeFloatData(HAPI_NodeId nodeID, HAPI_PartId partID, string name, ref HAPI_AttributeInfo attributeInfo, [Out] float[] data, int start, int length)
{
return false;
}
public virtual bool SetVertexList(HAPI_NodeId nodeID, HAPI_PartId partID, int[] vertexList, int start, int length)
{
return false;
}
public virtual bool GetInstancedPartIds(HAPI_NodeId nodeID, HAPI_PartId partID, [Out] HAPI_PartId[] instancedPartsArray, int start, int length)
{
return false;
}
public virtual bool AddAttribute(HAPI_NodeId nodeID, HAPI_PartId partID, string name, ref HAPI_AttributeInfo attrInfo)
{
return false;
}
public virtual bool GetInstancerPartTransforms(HAPI_NodeId nodeID, HAPI_PartId partID, HAPI_RSTOrder rstOrder, [Out] HAPI_Transform[] transformsArray, int start, int length)
{
return false;
}
public virtual bool SetGroupMembership(HAPI_NodeId nodeID, HAPI_PartId partID, HAPI_GroupType groupType, string groupName, [Out] int[] membershipArray, int start, int length)
{
return false;
}
/// <summary>
/// Get the box info on a geo part.
/// </summary>
/// <param name="nodeID">The geo node ID</param>
/// <param name="partID">The part ID</param>
/// <param name="boxInfo">The info to fill</param>
/// <returns>True if successfully queried the box info</returns>
public virtual bool GetBoxInfo(HAPI_NodeId nodeID, HAPI_PartId partID, ref HAPI_BoxInfo boxInfo)
{
return false;
}
/// <summary>
/// Get the material node IDs on faces for specified part.
/// </summary>
/// <param name="nodeID">The node ID</param>
/// <param name="partID">The part to query</param>
/// <param name="bSingleFaceMaterial">Whether same material on all faces</param>
/// <param name="materialNodeIDs">The array to fill in with material node IDs. Must be at least size of faceCount</param>
/// <param name="faceCount">Number of material IDs to query</param>
/// <returns>True if successfully queried the materials</returns>
public virtual bool GetMaterialNodeIDsOnFaces(HAPI_NodeId nodeID, HAPI_PartId partID, ref bool bSingleFaceMaterial, [Out] HAPI_NodeId[] materialNodeIDs, int faceCount)
{
return false;
}
/// <summary>
/// Get the sphere info on a geo part.
/// </summary>
/// <param name="nodeID">The geo node ID</param>
/// <param name="partID">The part ID</param>
/// <param name="sphereInfo">The info to fill</param>
/// <returns>True if successfully queried the sphere info</returns>
public virtual bool GetSphereInfo(HAPI_NodeId nodeID, HAPI_PartId partID, ref HAPI_SphereInfo sphereInfo)
{
return false;
}
public virtual bool SetVolumeInfo(HAPI_NodeId nodeID, HAPI_PartId partID, ref HAPI_VolumeInfo volumeInfo)
{
return false;
}
public virtual bool GetCurveInfo(HAPI_NodeId nodeID, HAPI_PartId partID, ref HAPI_CurveInfo curveInfo)
{
return false;
}
public virtual bool GetVolumeBounds(HAPI_NodeId nodeID, HAPI_PartId partID, out float x_min, out float y_min, out float z_min,
out float x_max, out float y_max, out float z_max, out float x_center, out float y_center, out float z_center)
{
x_min = y_min = z_min = x_max = y_max = z_max = x_center = y_center = z_center = 0;
return false;
}
public void PopulateScatterTrees(HEU_SessionBase session, HAPI_NodeId geoID, HAPI_PartId partID, int pointCount)
{
HEU_TerrainUtility.PopulateScatterTrees(session, geoID, partID, pointCount, ref _scatterTrees);
}