public async Task ExportAsync(string outputFile, bool generateManifest, bool onlySelected, Form callerForm)
{
IsCancelled = false;
RaiseMessage("Exportation started", Color.Blue);
ReportProgressChanged(0);
var babylonScene = new BabylonScene(Path.GetDirectoryName(outputFile));
var maxScene = Loader.Core.RootNode;
alreadyExportedTextures.Clear();
if (!Directory.Exists(babylonScene.OutputPath))
{
RaiseError("Exportation stopped: Output folder does not exist");
ReportProgressChanged(100);
return;
}
var watch = new Stopwatch();
watch.Start();
// Save scene
RaiseMessage("Saving 3ds max file");
if (AutoSave3dsMaxFile)
{
var forceSave = Loader.Core.FileSave;
if (callerForm != null)
{
callerForm.BringToFront();
}
}
// Global
babylonScene.autoClear = true;
babylonScene.clearColor = Loader.Core.GetBackGround(0, Tools.Forever).ToArray();
babylonScene.ambientColor = Loader.Core.GetAmbient(0, Tools.Forever).ToArray();
babylonScene.gravity = maxScene.GetVector3Property("babylonjs_gravity");
exportQuaternionsInsteadOfEulers = maxScene.GetBoolProperty("babylonjs_exportquaternions", 1);
// Cameras
BabylonCamera mainCamera = null;
RaiseMessage("Exporting cameras");
foreach (var cameraNode in maxScene.NodesListBySuperClass(SClass_ID.Camera))
{
if (onlySelected && !cameraNode.Selected)
{
continue;
}
ExportCamera(cameraNode, babylonScene);
if (mainCamera == null && babylonScene.CamerasList.Count > 0)
{
mainCamera = babylonScene.CamerasList[0];
babylonScene.activeCameraID = mainCamera.id;
RaiseMessage("Active camera set to " + mainCamera.name, Color.Green, 1, true);
}
}
if (mainCamera == null)
{
RaiseWarning("No camera defined", 1);
}
else
{
RaiseMessage(string.Format("Total: {0}", babylonScene.CamerasList.Count), Color.Gray, 1);
}
// Fog
for (var index = 0; index < Loader.Core.NumAtmospheric; index++)
{
var atmospheric = Loader.Core.GetAtmospheric(index);
if (atmospheric.Active(0) && atmospheric.ClassName == "Fog")
{
var fog = atmospheric as IStdFog;
if (fog != null)
{
RaiseMessage("Exporting fog");
babylonScene.fogColor = fog.GetColor(0).ToArray();
babylonScene.fogDensity = fog.GetDensity(0);
babylonScene.fogMode = fog.GetType_ == 0 ? 3 : 1;
if (mainCamera != null)
{
babylonScene.fogStart = mainCamera.minZ * fog.GetNear(0);
babylonScene.fogEnd = mainCamera.maxZ * fog.GetFar(0);
}
}
}
}
// Meshes
ReportProgressChanged(10);
RaiseMessage("Exporting meshes");
var meshes = maxScene.NodesListBySuperClasses(new[] { SClass_ID.Geomobject, SClass_ID.Helper });
var progressionStep = 80.0f / meshes.Count();
var progression = 10.0f;
foreach (var meshNode in meshes)
{
if (onlySelected && !meshNode.Selected)
{
continue;
}
Tools.PreparePipeline(meshNode, true);
ExportMesh(meshNode, babylonScene);
Tools.PreparePipeline(meshNode, false);
progression += progressionStep;
ReportProgressChanged((int)progression);
CheckCancelled();
}
RaiseMessage(string.Format("Total: {0}", babylonScene.MeshesList.Count), Color.Gray, 1);
// Materials
RaiseMessage("Exporting materials");
var matsToExport = referencedMaterials.ToArray(); // Snapshot because multimaterials can export new materials
foreach (var mat in matsToExport)
{
ExportMaterial(mat, babylonScene);
CheckCancelled();
}
RaiseMessage(string.Format("Total: {0}", babylonScene.MaterialsList.Count + babylonScene.MultiMaterialsList.Count), Color.Gray, 1);
// Lights
RaiseMessage("Exporting lights");
foreach (var lightNode in maxScene.NodesListBySuperClass(SClass_ID.Light))
{
if (onlySelected && !lightNode.Selected)
{
continue;
}
ExportLight(lightNode, babylonScene);
CheckCancelled();
}
if (babylonScene.LightsList.Count == 0)
{
RaiseWarning("No light defined", 1);
RaiseWarning("A default hemispheric light was added for your convenience", 1);
ExportDefaultLight(babylonScene);
}
else
{
RaiseMessage(string.Format("Total: {0}", babylonScene.LightsList.Count), Color.Gray, 1);
}
// Skeletons
if (skins.Count > 0)
{
RaiseMessage("Exporting skeletons");
foreach (var skin in skins)
{
ExportSkin(skin, babylonScene);
skin.Dispose();
}
}
// Output
RaiseMessage("Saving to output file");
babylonScene.Prepare(false);
var jsonSerializer = JsonSerializer.Create(new JsonSerializerSettings());
var sb = new StringBuilder();
var sw = new StringWriter(sb, CultureInfo.InvariantCulture);
await Task.Run(() =>
{
using (var jsonWriter = new JsonTextWriterOptimized(sw))
{
jsonWriter.Formatting = Formatting.None;
jsonSerializer.Serialize(jsonWriter, babylonScene);
}
File.WriteAllText(outputFile, sb.ToString());
if (generateManifest)
{
File.WriteAllText(outputFile + ".manifest",
"{\r\n\"version\" : 1,\r\n\"enableSceneOffline\" : true,\r\n\"enableTexturesOffline\" : true\r\n}");
}
});
ReportProgressChanged(100);
watch.Stop();
RaiseMessage(string.Format("Exportation done in {0:0.00}s", watch.ElapsedMilliseconds / 1000.0), Color.Blue);
}