public void refresh(bool reload_asset) { if (prObjectControl == null) { Debug.LogError("Why is my object control null on a refresh?"); return; } GameObject geo_node = gameObject; // Get Geo info. HAPI_GeoInfo geo_info = new HAPI_GeoInfo(); HoudiniHost.getGeoInfo(prAssetId, prObjectId, prGeoId, out geo_info); if (geo_info.type == HAPI_GeoType.HAPI_GEOTYPE_INPUT) { return; } if (!reload_asset && !geo_info.hasGeoChanged && !geo_info.hasMaterialChanged) { return; } if (reload_asset || geo_info.type == HAPI_GeoType.HAPI_GEOTYPE_CURVE) { for (int i = 0; i < myParts.Count; ++i) { HoudiniAssetUtility.destroyGameObject(myParts[i]); } myParts.Clear(); } if (reload_asset || geo_info.hasGeoChanged) { // Initialize our geo control. init( geo_info.nodeId, prGeoId, geo_info.name, (HAPI_GeoType)geo_info.type, geo_info.isEditable, geo_info.isDisplayGeo); // Set node name. geo_node.name = prGeoName; } if (!geo_info.isDisplayGeo && (geo_info.type != HAPI_GeoType.HAPI_GEOTYPE_CURVE && !myObjectControl.prAsset.prImportTemplatedGeos && geo_info.isTemplated)) { return; } if (geo_info.type == HAPI_GeoType.HAPI_GEOTYPE_CURVE) { createAndInitCurve(prNodeId, prObjectId, prGeoId, prIsEditable); } else { if (reload_asset || geo_info.hasGeoChanged) { // Add new geos as needed. while (myParts.Count < geo_info.partCount) { myParts.Add(createPart(myParts.Count)); } // Remove stale geos. while (myParts.Count > geo_info.partCount) { HoudiniAssetUtility.destroyGameObject(myParts[geo_info.partCount]); myParts.RemoveAt(geo_info.partCount); } } // Refresh all geos. for (int i = 0; i < myParts.Count; ++i) { myParts[i].GetComponent <HoudiniPartControl>().refresh( reload_asset, geo_info.hasGeoChanged, geo_info.hasMaterialChanged); } // Handle Edit/Paint Nodes #if !HAPI_PAINT_SUPPORT if (geo_info.type == HAPI_GeoType.HAPI_GEOTYPE_INTERMEDIATE) { // We are limited to using the first part, always. if (myGeoAttributeManager == null && myParts.Count > 0) { const int part_id = 0; GameObject part_gameobject = myParts[part_id]; HoudiniPartControl part_control = part_gameobject.GetComponent <HoudiniPartControl>(); MeshFilter mesh_filter = part_control.getOrCreateComponent <MeshFilter>(); MeshRenderer mesh_renderer = part_control.getOrCreateComponent <MeshRenderer>(); MeshCollider mesh_collider = part_control.getOrCreateComponent <MeshCollider>(); Mesh mesh = mesh_filter.sharedMesh; myGeoAttributeManager = ScriptableObject.CreateInstance <HoudiniGeoAttributeManager>(); myGeoAttributeManager.init(mesh, mesh_renderer, mesh_collider, part_gameobject.transform); // Fetch all point attributes. string[] point_attribute_names = HoudiniHost.getAttributeNames( prAssetId, prObjectId, prGeoId, part_id, HAPI_AttributeOwner.HAPI_ATTROWNER_POINT); foreach (string point_attribute_name in point_attribute_names) { if (point_attribute_name == "P") { continue; } HAPI_AttributeInfo point_attribute_info = HoudiniHost.getAttributeInfo( prAssetId, prObjectId, prGeoId, part_id, point_attribute_name, HAPI_AttributeOwner.HAPI_ATTROWNER_POINT); if (point_attribute_info.storage == HAPI_StorageType.HAPI_STORAGETYPE_INT) { int[] data = new int[0]; HoudiniAssetUtility.getAttribute( prAssetId, prObjectId, prGeoId, part_id, point_attribute_name, ref point_attribute_info, ref data, HoudiniHost.getAttributeIntData); HoudiniGeoAttribute attribute = myGeoAttributeManager.createAttribute(point_attribute_name); attribute.init( mesh, point_attribute_name, HoudiniGeoAttribute.Type.INT, point_attribute_info.tupleSize); attribute.prOriginalAttributeOwner = HAPI_AttributeOwner.HAPI_ATTROWNER_POINT; if (data.Length != attribute.prIntData.Length) { Debug.LogError("Size mis-match in paint tools."); } else { for (int i = 0; i < data.Length; ++i) { attribute.prIntData[i] = data[i]; } } } else if (point_attribute_info.storage == HAPI_StorageType.HAPI_STORAGETYPE_FLOAT) { int tuple_size = point_attribute_info.tupleSize; float[] data = new float[0]; HoudiniAssetUtility.getAttribute( prAssetId, prObjectId, prGeoId, part_id, point_attribute_name, ref point_attribute_info, ref data, HoudiniHost.getAttributeFloatData); HoudiniGeoAttribute attribute = myGeoAttributeManager.createAttribute(point_attribute_name); attribute.init( mesh, point_attribute_name, HoudiniGeoAttribute.Type.FLOAT, tuple_size); attribute.prOriginalAttributeOwner = HAPI_AttributeOwner.HAPI_ATTROWNER_POINT; // Get Vertex list. HAPI_PartInfo part_info = new HAPI_PartInfo(); HoudiniHost.getPartInfo( prAssetId, prObjectId, prGeoId, part_id, out part_info); int[] vertex_list = new int[part_info.vertexCount]; HoudiniAssetUtility.getArray4Id( prAssetId, prObjectId, prGeoId, part_id, HoudiniHost.getVertexList, vertex_list, part_info.vertexCount); if (part_info.vertexCount * tuple_size != attribute.prFloatData.Length) { Debug.LogError("Size mis-match in paint tools."); } else { for (int i = 0; i < part_info.vertexCount; ++i) { for (int tuple = 0; tuple < tuple_size; ++tuple) { attribute.prFloatData[i * tuple_size + tuple] = data[vertex_list[i] * tuple_size + tuple]; } } } } else if (point_attribute_info.storage == HAPI_StorageType.HAPI_STORAGETYPE_STRING) { } } } } #endif // !HAPI_PAINT_SUPPORT // Handle script attaching. if (reload_asset && geo_info.partCount > 0) { HAPI_AttributeInfo script_attr_info = new HAPI_AttributeInfo("Unity_Script"); int[] script_attr = new int[0]; HoudiniAssetUtility.getAttribute( prAssetId, prObjectId, prGeoId, 0, "Unity_Script", ref script_attr_info, ref script_attr, HoudiniHost.getAttributeStringData); if (script_attr_info.exists && script_attr_info.owner != HAPI_AttributeOwner.HAPI_ATTROWNER_DETAIL) { throw new HoudiniErrorIgnorable("I only understand Unity_Script as detail attributes!"); } if (script_attr_info.exists && script_attr.Length > 0) { string script_to_attach = HoudiniHost.getString(script_attr[0]); HoudiniAssetUtility.attachScript(geo_node, script_to_attach); } } } }
public bool syncAttributes(int asset_id, int object_id, int geo_id, int part_id, Mesh mesh) { bool needs_recook = false; // Fetch all point attributes. string[] point_attribute_names = HoudiniHost.getAttributeNames( geo_id, part_id, HAPI_AttributeOwner.HAPI_ATTROWNER_POINT); foreach (string point_attribute_name in point_attribute_names) { if (point_attribute_name == "P") { continue; } HAPI_AttributeInfo point_attribute_info = HoudiniHost.getAttributeInfo( geo_id, part_id, point_attribute_name, HAPI_AttributeOwner.HAPI_ATTROWNER_POINT); HoudiniGeoAttribute attribute = null; // If we already have an attribute with the same name, sync it with // the attribute in Houdini - trying to salvage any data even if the // attribute storage type, tuple size, or mesh point count has changed. if (hasAttribute(point_attribute_name)) { attribute = getAttribute(point_attribute_name); } else // Attribute not found. { HoudiniGeoAttribute.Type geo_attribute_type = HoudiniGeoAttribute.Type.UNDEFINED; switch (point_attribute_info.storage) { case HAPI_StorageType.HAPI_STORAGETYPE_INT: geo_attribute_type = HoudiniGeoAttribute.Type.INT; break; case HAPI_StorageType.HAPI_STORAGETYPE_FLOAT: geo_attribute_type = HoudiniGeoAttribute.Type.FLOAT; break; case HAPI_StorageType.HAPI_STORAGETYPE_STRING: geo_attribute_type = HoudiniGeoAttribute.Type.STRING; break; } attribute = createAttribute(point_attribute_name); attribute.init( mesh, point_attribute_name, geo_attribute_type, point_attribute_info.tupleSize); attribute.prOriginalAttributeOwner = HAPI_AttributeOwner.HAPI_ATTROWNER_POINT; } // Sync the values of the Unity attribute with the Houdini attribute. needs_recook |= attribute.sync(geo_id, part_id, mesh, point_attribute_info); // If the sync updated the values from the asset we need to refresh our mesh. if (needs_recook) { refreshMesh(); } } return(needs_recook); }