public HEU_VolumeLayer.HFLayerType GetHeightfieldLayerType(HEU_SessionBase session, HAPI_NodeId geoID, HAPI_PartId partID, string volumeName) { HEU_VolumeLayer.HFLayerType layerType = HEU_VolumeLayer.HFLayerType.DEFAULT; if (volumeName.Equals(HEU_Defines.HAPI_HEIGHTFIELD_LAYERNAME_HEIGHT)) { layerType = HEU_VolumeLayer.HFLayerType.HEIGHT; } else if (volumeName.Equals(HEU_Defines.HAPI_HEIGHTFIELD_LAYERNAME_MASK)) { layerType = HEU_VolumeLayer.HFLayerType.MASK; } else { HAPI_AttributeInfo layerTypeAttr = new HAPI_AttributeInfo(); string[] layerTypeStr = HEU_GeneralUtility.GetAttributeStringData(session, geoID, partID, HEU_Defines.HEIGHTFIELD_LAYER_ATTR_TYPE, ref layerTypeAttr); if (layerTypeStr != null && layerTypeStr.Length >= 0 && layerTypeStr[0].Equals(HEU_Defines.HEIGHTFIELD_LAYER_TYPE_DETAIL)) { layerType = HEU_VolumeLayer.HFLayerType.DETAIL; } } return layerType; }
public void UpdateLayerFromPart(HEU_SessionBase session, HEU_PartData part) { HEU_GeoNode geoNode = part.ParentGeoNode; HAPI_VolumeInfo volumeInfo = new HAPI_VolumeInfo(); bool bResult = session.GetVolumeInfo(geoNode.GeoID, part.PartID, ref volumeInfo); if (!bResult || volumeInfo.tupleSize != 1 || volumeInfo.zLength != 1 || volumeInfo.storage != HAPI_StorageType.HAPI_STORAGETYPE_FLOAT) { return; } string volumeName = HEU_SessionManager.GetString(volumeInfo.nameSH, session); part.SetVolumeLayerName(volumeName); //Debug.LogFormat("Part name: {0}, GeoName: {1}, Volume Name: {2}, Display: {3}", part.PartName, geoNode.GeoName, volumeName, geoNode.Displayable); HEU_VolumeLayer.HFLayerType layerType = GetHeightfieldLayerType(session, geoNode.GeoID, part.PartID, volumeName); HEU_VolumeLayer layer = GetLayer(volumeName); if (layer == null) { layer = new HEU_VolumeLayer(); layer._layerName = volumeName; if (layerType == HEU_VolumeLayer.HFLayerType.HEIGHT) { _layers.Insert(0, layer); } else if(layerType != HEU_VolumeLayer.HFLayerType.MASK) { _layers.Add(layer); } } layer._part = part; layer._xLength = volumeInfo.xLength; layer._yLength = volumeInfo.yLength; layer._layerType = layerType; if (layerType != HEU_VolumeLayer.HFLayerType.MASK) { GetPartLayerAttributes(session, geoNode.GeoID, part.PartID, layer); } if (layerType != HEU_VolumeLayer.HFLayerType.HEIGHT) { // Non-height parts don't have any outputs as they are simply layers carrying info part.DestroyAllData(); } else { // Height part // Might contain terrain properties via attributes (i.e. not layer specific, but for entire terrain) // Scatter Tree Prototypes List<HEU_TreePrototypeInfo> treePrototypeInfos = HEU_TerrainUtility.GetTreePrototypeInfosFromPart(session, geoNode.GeoID, part.PartID); if (treePrototypeInfos != null) { if (_scatterTrees == null) { _scatterTrees = new HEU_VolumeScatterTrees(); } _scatterTrees._treePrototypInfos = treePrototypeInfos; } // Detail distance HAPI_AttributeInfo detailDistanceAttrInfo = new HAPI_AttributeInfo(); int[] detailDistances = new int[0]; HEU_GeneralUtility.GetAttribute(session, geoNode.GeoID, part.PartID, HEU_Defines.HEIGHTFIELD_DETAIL_DISTANCE, ref detailDistanceAttrInfo, ref detailDistances, session.GetAttributeIntData); // Scatter Detail Resolution Per Patch (note that Detail Resolution comes from HF layer size) HAPI_AttributeInfo resolutionPatchAttrInfo = new HAPI_AttributeInfo(); int[] resolutionPatches = new int[0]; HEU_GeneralUtility.GetAttribute(session, geoNode.GeoID, part.PartID, HEU_Defines.HEIGHTFIELD_DETAIL_RESOLUTION_PER_PATCH, ref resolutionPatchAttrInfo, ref resolutionPatches, session.GetAttributeIntData); if (_detailProperties == null) { _detailProperties = new HEU_DetailProperties(); } // Unity only supports 1 set of detail resolution properties per terrain int arraySize = 1; if (detailDistanceAttrInfo.exists && detailDistances.Length >= arraySize) { _detailProperties._detailDistance = detailDistances[0]; } if (resolutionPatchAttrInfo.exists && resolutionPatches.Length >= arraySize) { _detailProperties._detailResolutionPerPatch = resolutionPatches[0]; } } if (!_updatedLayers.Contains(layer)) { if (layerType == HEU_VolumeLayer.HFLayerType.HEIGHT) { _updatedLayers.Insert(0, layer); } else if (layerType != HEU_VolumeLayer.HFLayerType.MASK) { _updatedLayers.Add(layer); } } }