public Error Export(ComputeDevice computeDevice, SimulationSettings simulationSettings,
PhononMaterialValue defaultMaterial, GlobalContext globalContext, bool exportOBJ = false)
{
var error = Error.None;
var objects = GameObject.FindObjectsOfType <PhononGeometry>();
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.
error = PhononCore.iplCreateScene(globalContext, computeDevice.GetDevice(), simulationSettings,
totalNumMaterials, 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, ref staticMesh);
if (error != Error.None)
{
throw new Exception("Unable to create static mesh for export (" + totalNumVertices.ToString() +
" vertices, " + totalNumTriangles.ToString() + " triangles): [" + error.ToString() + "]");
}
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);
}
for (var i = 0; i < totalNumMaterials; ++i)
{
PhononCore.iplSetSceneMaterial(scene, i, materials[i]);
}
PhononCore.iplSetStaticMeshVertices(scene, staticMesh, vertices);
PhononCore.iplSetStaticMeshTriangles(scene, staticMesh, triangles);
PhononCore.iplSetStaticMeshMaterials(scene, staticMesh, materialIndices);
PhononCore.iplFinalizeScene(scene, null);
#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
{
error = PhononCore.iplSaveFinalizedScene(scene, Common.ConvertString(SceneFileName()));
if (error != Error.None)
{
throw new Exception("Unable to save scene to " + SceneFileName() + " [" + error.ToString() + "]");
}
Debug.Log("Scene exported to " + SceneFileName() + ".");
}
PhononCore.iplDestroyStaticMesh(ref staticMesh);
PhononCore.iplDestroyScene(ref scene);
return(error);
}
