public Error Export(ComputeDevice computeDevice, SimulationSettings simulationSettings, MaterialValue defaultMaterial, IntPtr globalContext, bool exportOBJ = false) { var error = Error.None; var objects = GameObject.FindObjectsOfType <SteamAudioGeometry>(); var totalNumVertices = 0; var totalNumTriangles = 0; var totalNumMaterials = 1; // Global material. for (var i = 0; i < objects.Length; ++i) { totalNumVertices += objects[i].GetNumVertices(); totalNumTriangles += objects[i].GetNumTriangles(); totalNumMaterials += objects[i].GetNumMaterials(); } simulationSettings.sceneType = SceneType.Phonon; // Scene type should always be Phonon when exporting. var vertices = new Vector3[totalNumVertices]; var triangles = new Triangle[totalNumTriangles]; var materialIndices = new int[totalNumTriangles]; var materials = new Material[totalNumMaterials + 1]; // Offset added to avoid creating Material // for each object and then copying it. var vertexOffset = 0; var triangleOffset = 0; var materialOffset = 1; materials[0].absorptionHigh = defaultMaterial.HighFreqAbsorption; materials[0].absorptionMid = defaultMaterial.MidFreqAbsorption; materials[0].absorptionLow = defaultMaterial.LowFreqAbsorption; materials[0].scattering = defaultMaterial.Scattering; materials[0].transmissionHigh = defaultMaterial.HighFreqTransmission; materials[0].transmissionMid = defaultMaterial.MidFreqTransmission; materials[0].transmissionLow = defaultMaterial.LowFreqTransmission; for (var i = 0; i < objects.Length; ++i) { objects[i].GetGeometry(vertices, ref vertexOffset, triangles, ref triangleOffset, materials, materialIndices, ref materialOffset); } error = PhononCore.iplCreateScene(globalContext, computeDevice.GetDevice(), simulationSettings, materials.Length, materials, null, null, null, null, IntPtr.Zero, ref scene); if (error != Error.None) { throw new Exception("Unable to create scene for export (" + objects.Length.ToString() + " materials): [" + error.ToString() + "]"); } var staticMesh = IntPtr.Zero; error = PhononCore.iplCreateStaticMesh(scene, totalNumVertices, totalNumTriangles, vertices, triangles, materialIndices, ref staticMesh); if (error != Error.None) { throw new Exception("Unable to create static mesh for export (" + totalNumVertices.ToString() + " vertices, " + totalNumTriangles.ToString() + " triangles): [" + error.ToString() + "]"); } #if UNITY_EDITOR if (!Directory.Exists(Application.streamingAssetsPath)) { UnityEditor.AssetDatabase.CreateFolder("Assets", "StreamingAssets"); } #endif if (exportOBJ) { PhononCore.iplDumpSceneToObjFile(scene, Common.ConvertString(ObjFileName())); Debug.Log("Scene dumped to " + ObjFileName() + "."); } else { var dataSize = PhononCore.iplSaveFinalizedScene(scene, null); var data = new byte[dataSize]; PhononCore.iplSaveFinalizedScene(scene, data); var fileName = SceneFileName(); File.WriteAllBytes(fileName, data); Debug.Log("Scene exported to " + fileName + "."); } PhononCore.iplDestroyStaticMesh(ref staticMesh); PhononCore.iplDestroyScene(ref scene); return(error); }