private BabylonCamera ExportCameraAnimations(BabylonCamera babylonCamera, IIGameCamera camera, BabylonExporter exporter)
{
var animations = new List <BabylonAnimation>();
int numProps = camera.IPropertyContainer.NumberOfProperties;
for (int i = 0; i < numProps; ++i)
{
IIGameProperty property = camera.IPropertyContainer.GetProperty(i);
if (property == null)
{
continue;
}
IParamDef paramDef = property.MaxParamBlock2?.GetParamDef(property.ParamID);
string propertyName = property.Name.ToUpperInvariant();
switch (propertyName)
{
default:
break;
}
}
babylonCamera.animations = animations.ToArray();
return(babylonCamera);
}
void DumpCameras(NovaScene scene, BabylonScene babylonScene)
{
foreach (NovaCamera camera in scene.Cameras)
{
var babylonCamera = new BabylonCamera();
babylonScene.CamerasList.Add(babylonCamera);
babylonCamera.name = camera.Name;
babylonCamera.id = camera.ID.ToString();
babylonCamera.parentId = camera.ParentEntity == null ? "" : camera.ParentEntity.ID.ToString();
babylonCamera.lockedTargetId = camera.Target == null ? "" : camera.Target.ID.ToString();
babylonCamera.position = camera.Position.ToArray();
babylonCamera.rotation = camera.Rotation.ToArray();
babylonCamera.fov = camera.FOV;
babylonCamera.minZ = camera.NearClip;
babylonCamera.maxZ = camera.FarClip;
babylonCamera.inertia = camera.Inertia;
babylonCamera.speed = camera.Speed;
babylonCamera.checkCollisions = camera.CheckCollisions;
babylonCamera.applyGravity = camera.ApplyGravity;
babylonCamera.ellipsoid = camera.EllipsoidVector.ToArray();
// Animations
var animations = new List <BabylonAnimation>();
// Position
if (!DumpInterpolator("Position animation", "position", camera.PositionInterpolator, scene, animations))
{
DumpInterpolator("PositionX animation", "position.x", camera.PositionXInterpolator, scene, animations);
DumpInterpolator("PositionY animation", "position.y", camera.PositionYInterpolator, scene, animations);
DumpInterpolator("PositionZ animation", "position.z", camera.PositionZInterpolator, scene, animations);
}
babylonCamera.animations = animations.ToArray();
babylonCamera.autoAnimate = camera.AutoAnimate;
if (camera.AutoAnimate)
{
babylonCamera.autoAnimateFrom = camera.AnimationStartKey;
if (camera.AnimationEndKey == -1)
{
babylonCamera.autoAnimateTo = scene.AnimationKeyMax / scene.AnimationKeyStep;
babylonCamera.autoAnimateLoop = true;
}
else
{
babylonCamera.autoAnimateTo = camera.AnimationEndKey;
}
}
}
if (scene.ActiveCamera != null)
{
babylonScene.activeCameraID = scene.ActiveCamera.ID.ToString();
}
}
private BabylonCamera ExportCamera(Node cameraNode, BabylonScene babylonScene)
{
var maxCamera = (cameraNode.Object as Camera)._Camera;
var babylonCamera = new BabylonCamera();
RaiseMessage(cameraNode.Name, true);
babylonCamera.name = cameraNode.Name;
babylonCamera.id = cameraNode.GetGuid().ToString();
if (cameraNode.HasParent())
{
babylonCamera.parentId = cameraNode.Parent.GetGuid().ToString();
}
babylonCamera.fov = Tools.ConvertFov(maxCamera.GetFOV(0, Interval.Forever._IInterval));
babylonCamera.minZ = maxCamera.GetEnvRange(0, 0, Interval.Forever._IInterval);
babylonCamera.maxZ = maxCamera.GetEnvRange(0, 1, Interval.Forever._IInterval);
if (babylonCamera.minZ == 0.0f)
{
babylonCamera.minZ = 0.1f;
}
// Control
babylonCamera.speed = cameraNode._Node.GetFloatProperty("babylonjs_speed");
babylonCamera.inertia = cameraNode._Node.GetFloatProperty("babylonjs_inertia");
// Collisions
babylonCamera.checkCollisions = cameraNode._Node.GetBoolProperty("babylonjs_checkcollisions");
babylonCamera.applyGravity = cameraNode._Node.GetBoolProperty("babylonjs_applygravity");
babylonCamera.ellipsoid = cameraNode._Node.GetVector3Property("babylonjs_ellipsoid");
// Position
var wm = cameraNode.GetWorldMatrix(0, cameraNode.HasParent());
var position = wm.Trans;
babylonCamera.position = position.ToArraySwitched();
// Target
var target = cameraNode._Node.Target;
if (target != null)
{
babylonCamera.lockedTargetId = target.GetGuid().ToString();
}
else
{
var dir = wm.GetRow(2).MultiplyBy(-1);
babylonCamera.target = dir.ToArraySwitched();
}
babylonScene.CamerasList.Add(babylonCamera);
return(babylonCamera);
}
private void ConvertUnityCameraToBabylon(Camera camera, float progress)
{
ExporterWindow.ReportProgress(progress, "Exporting camera: " + camera.name);
BabylonCamera babylonCamera = new BabylonCamera
{
name = camera.name,
id = GetID(camera.gameObject),
fov = camera.fieldOfView * (float)Math.PI / 180,
minZ = camera.nearClipPlane,
maxZ = camera.farClipPlane,
parentId = GetParentID(camera.transform),
position = camera.transform.localPosition.ToFloat()
};
var target = new Vector3(0, 0, 1);
var transformedTarget = camera.transform.TransformDirection(target);
babylonCamera.target = (camera.transform.position + transformedTarget).ToFloat();
babylonScene.CamerasList.Add(babylonCamera);
if (Camera.main == camera)
{
babylonScene.activeCameraID = babylonCamera.id;
babylonScene.clearColor = camera.backgroundColor.ToFloat();
}
// Animations
ExportAnimations(camera.transform, babylonCamera);
// Collisions
if (exportationOptions.ExportCollisions)
{
babylonCamera.checkCollisions = true;
babylonCamera.applyGravity = true;
babylonCamera.ellipsoid = exportationOptions.CameraEllipsoid.ToFloat();
}
}
public bool ExportBabylonExtension <T>(T babylonObject, ref BabylonScene babylonScene, BabylonExporter exporter)
{
var cameraNode = babylonObject as Autodesk.Max.IIGameCamera;
bool isGLTFExported = exporter.exportParameters.outputFormat == "gltf";
// todo: MaterialUtilities class should be splitted as the wrapper contains more idwrapper then the materials one
if (isGLTFExported && FlightSimCameraUtilities.class_ID.Equals(new MaterialUtilities.ClassIDWrapper(cameraNode.CameraTarget.MaxNode.ClassID)))
{
var id = cameraNode.CameraTarget.MaxNode.GetGuid().ToString();
// add a basic babylon material to the list to forward the max material reference
var babylonCamera = new BabylonCamera();//(id)
//{
// maxGameMaterial = materialNode,
// name = materialNode.MaterialName
//};
babylonCamera = ExportCameraAnimations(babylonCamera, cameraNode, exporter);
babylonScene.CamerasList.Add(babylonCamera);
return(true);
}
return(false);
}
void DumpCameras(NovaScene scene, BabylonScene babylonScene)
{
foreach (NovaCamera camera in scene.Cameras)
{
var babylonCamera = new BabylonCamera();
babylonScene.CamerasList.Add(babylonCamera);
babylonCamera.name = camera.Name;
babylonCamera.id = camera.ID.ToString();
babylonCamera.parentId = camera.ParentEntity == null ? "" : camera.ParentEntity.ID.ToString();
babylonCamera.lockedTargetId = camera.Target == null ? "" : camera.Target.ID.ToString();
babylonCamera.position = camera.Position.ToArray();
babylonCamera.rotation = camera.Rotation.ToArray();
babylonCamera.fov = camera.FOV;
babylonCamera.minZ = camera.NearClip;
babylonCamera.maxZ = camera.FarClip;
babylonCamera.inertia = camera.Inertia;
babylonCamera.speed = camera.Speed;
babylonCamera.checkCollisions = camera.CheckCollisions;
babylonCamera.applyGravity = camera.ApplyGravity;
babylonCamera.ellipsoid = camera.EllipsoidVector.ToArray();
// Animations
var animations = new List<BabylonAnimation>();
// Position
if (!DumpInterpolator("Position animation", "position", camera.PositionInterpolator, scene, animations))
{
DumpInterpolator("PositionX animation", "position.x", camera.PositionXInterpolator, scene, animations);
DumpInterpolator("PositionY animation", "position.y", camera.PositionYInterpolator, scene, animations);
DumpInterpolator("PositionZ animation", "position.z", camera.PositionZInterpolator, scene, animations);
}
babylonCamera.animations = animations.ToArray();
babylonCamera.autoAnimate = camera.AutoAnimate;
if (camera.AutoAnimate)
{
babylonCamera.autoAnimateFrom = camera.AnimationStartKey;
if (camera.AnimationEndKey == -1)
{
babylonCamera.autoAnimateTo = scene.AnimationKeyMax / scene.AnimationKeyStep;
babylonCamera.autoAnimateLoop = true;
}
else
{
babylonCamera.autoAnimateTo = camera.AnimationEndKey;
}
}
}
if (scene.ActiveCamera != null)
{
babylonScene.activeCameraID = scene.ActiveCamera.ID.ToString();
}
}
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);
}
public void Export(string outputFile)
{
RaiseMessage("Exportation started");
ReportProgressChanged(25);
var babylonScene = new BabylonScene(Path.GetDirectoryName(outputFile));
var maxScene = Kernel.Scene;
alreadyExportedTextures.Clear();
if (!Directory.Exists(babylonScene.OutputPath))
{
RaiseError("Exportation stopped: Output folder does not exist");
ReportProgressChanged(100);
return;
}
// Global
babylonScene.autoClear = true;
babylonScene.clearColor = Loader.Core.GetBackGround(0, Interval.Forever._IInterval).ToArray();
babylonScene.ambientColor = Loader.Core.GetAmbient(0, Interval.Forever._IInterval).ToArray();
babylonScene.gravity = maxScene.RootNode._Node.GetVector3Property("babylonjs_gravity");
// Cameras
BabylonCamera mainCamera = null;
RaiseMessage("Exporting cameras");
foreach (var cameraNode in maxScene.NodesListBySuperClass(SuperClassID.Camera))
{
var babylonCamera = ExportCamera(cameraNode, babylonScene);
if (mainCamera == null)
{
mainCamera = babylonCamera;
babylonScene.activeCameraID = mainCamera.id;
RaiseMessage("Active camera set to " + mainCamera.name, true, true);
}
}
if (mainCamera == null)
{
RaiseWarning("No camera defined", true);
}
// Fog
for (var index = 0; index < Loader.Core.NumAtmospheric; index++)
{
var atmospheric = Loader.Core.GetAtmospheric(index);
if (atmospheric.Active(0) && atmospheric.ClassName == "Fog")
{
RaiseMessage("Exporting fog");
var reference = atmospheric.GetReference(0);
var parameters = Animatable.CreateWrapper <ParameterBlock1>(reference);
babylonScene.fogColor = (parameters["fog color"].Value as IColor).ToArray();
babylonScene.fogDensity = (float)parameters["density"].Value;
babylonScene.fogMode = ((int)parameters["fog type"].Value) == 0 ? 3 : 1;
if (mainCamera != null)
{
babylonScene.fogStart = mainCamera.minZ * (float)parameters["near %"].Value;
babylonScene.fogEnd = mainCamera.maxZ * (float)parameters["far %"].Value;
}
}
}
// Meshes
RaiseMessage("Exporting meshes");
foreach (var meshNode in maxScene.NodesListBySuperClass(SuperClassID.GeometricObject))
{
ExportMesh(meshNode, babylonScene);
}
// Materials
RaiseMessage("Exporting materials");
var matsToExport = referencedMaterials.ToArray(); // Snapshot because multimaterials can export new materials
foreach (var mat in matsToExport)
{
ExportMaterial(mat, babylonScene);
}
// Lights
RaiseMessage("Exporting lights");
foreach (var lightNode in maxScene.NodesListBySuperClass(SuperClassID.Light))
{
ExportLight(lightNode, babylonScene);
}
// Output
babylonScene.Prepare(false);
var jsonSerializer = JsonSerializer.Create();
var sb = new StringBuilder();
var sw = new StringWriter(sb, CultureInfo.InvariantCulture);
using (var jsonWriter = new JsonTextWriterOptimized(sw))
{
jsonWriter.Formatting = Formatting.None;
jsonSerializer.Serialize(jsonWriter, babylonScene);
}
File.WriteAllText(outputFile, sb.ToString());
ReportProgressChanged(100);
RaiseMessage("Exportation done");
}
public void Export(ExportParameters exportParameters)
{
// Check input text is valid
var scaleFactorFloat = 1.0f;
string scaleFactor = exportParameters.scaleFactor;
try
{
scaleFactor = scaleFactor.Replace(".", System.Globalization.NumberFormatInfo.CurrentInfo.NumberDecimalSeparator);
scaleFactor = scaleFactor.Replace(",", System.Globalization.NumberFormatInfo.CurrentInfo.NumberDecimalSeparator);
scaleFactorFloat = float.Parse(scaleFactor);
}
catch
{
RaiseError("Scale factor is not a valid number.");
return;
}
long quality = 0L;
string txtQuality = exportParameters.txtQuality;
try
{
quality = long.Parse(txtQuality);
if (quality < 0 || quality > 100)
{
throw new Exception();
}
}
catch
{
RaiseError("Quality is not a valid number. It should be an integer between 0 and 100.");
RaiseError("This parameter set the quality of jpg compression.");
return;
}
this.exportParameters = exportParameters;
var gameConversionManger = Loader.Global.ConversionManager;
gameConversionManger.CoordSystem = Autodesk.Max.IGameConversionManager.CoordSystem.D3d;
var gameScene = Loader.Global.IGameInterface;
if (exportParameters.exportNode == null)
{
gameScene.InitialiseIGame(false);
}
else
{
gameScene.InitialiseIGame(exportParameters.exportNode, true);
}
gameScene.SetStaticFrame(0);
MaxSceneFileName = gameScene.SceneFileName;
IsCancelled = false;
string fileExportString = exportParameters.exportNode != null
? $"{exportParameters.exportNode.NodeName} | {exportParameters.outputPath}"
: exportParameters.outputPath;
RaiseMessage($"Exportation started: {fileExportString}", Color.Blue);
ReportProgressChanged(0);
string tempOutputDirectory = Path.Combine(Path.GetTempPath(), Path.GetRandomFileName());
string outputDirectory = Path.GetDirectoryName(exportParameters.outputPath);
string outputFileName = Path.GetFileName(exportParameters.outputPath);
// Check directory exists
if (!Directory.Exists(outputDirectory))
{
RaiseError("Exportation stopped: Output folder does not exist");
ReportProgressChanged(100);
return;
}
Directory.CreateDirectory(tempOutputDirectory);
var outputBabylonDirectory = tempOutputDirectory;
// Force output file extension to be babylon
outputFileName = Path.ChangeExtension(outputFileName, "babylon");
var babylonScene = new BabylonScene(outputBabylonDirectory);
var rawScene = Loader.Core.RootNode;
var watch = new Stopwatch();
watch.Start();
string outputFormat = exportParameters.outputFormat;
isBabylonExported = outputFormat == "babylon" || outputFormat == "binary babylon";
isGltfExported = outputFormat == "gltf" || outputFormat == "glb";
// Get scene parameters
optimizeAnimations = !Loader.Core.RootNode.GetBoolProperty("babylonjs_donotoptimizeanimations");
exportNonAnimated = Loader.Core.RootNode.GetBoolProperty("babylonjs_animgroup_exportnonanimated");
// Save scene
if (exportParameters.autoSave3dsMaxFile)
{
RaiseMessage("Saving 3ds max file");
var forceSave = Loader.Core.FileSave;
callerForm?.BringToFront();
}
// Producer
babylonScene.producer = new BabylonProducer
{
name = "3dsmax",
#if MAX2019
version = "2019",
#elif MAX2018
version = "2018",
#elif MAX2017
version = "2017",
#else
version = Loader.Core.ProductVersion.ToString(),
#endif
exporter_version = exporterVersion,
file = outputFileName
};
// Global
babylonScene.autoClear = true;
babylonScene.clearColor = Loader.Core.GetBackGround(0, Tools.Forever).ToArray();
babylonScene.ambientColor = Loader.Core.GetAmbient(0, Tools.Forever).ToArray();
babylonScene.gravity = rawScene.GetVector3Property("babylonjs_gravity");
ExportQuaternionsInsteadOfEulers = rawScene.GetBoolProperty("babylonjs_exportquaternions", 1);
if (Loader.Core.UseEnvironmentMap && Loader.Core.EnvironmentMap != null)
{
// Environment texture
var environmentMap = Loader.Core.EnvironmentMap;
// Copy image file to output if necessary
var babylonTexture = ExportEnvironmnentTexture(environmentMap, babylonScene);
if (babylonTexture != null)
{
babylonScene.environmentTexture = babylonTexture.name;
// Skybox
babylonScene.createDefaultSkybox = rawScene.GetBoolProperty("babylonjs_createDefaultSkybox");
babylonScene.skyboxBlurLevel = rawScene.GetFloatProperty("babylonjs_skyboxBlurLevel");
}
}
// Sounds
var soundName = rawScene.GetStringProperty("babylonjs_sound_filename", "");
if (!string.IsNullOrEmpty(soundName))
{
var filename = Path.GetFileName(soundName);
var globalSound = new BabylonSound
{
autoplay = rawScene.GetBoolProperty("babylonjs_sound_autoplay", 1),
loop = rawScene.GetBoolProperty("babylonjs_sound_loop", 1),
name = filename
};
babylonScene.SoundsList.Add(globalSound);
if (isBabylonExported)
{
try
{
File.Copy(soundName, Path.Combine(babylonScene.OutputPath, filename), true);
}
catch
{
}
}
}
// Root nodes
RaiseMessage("Exporting nodes");
HashSet <IIGameNode> maxRootNodes = getRootNodes(gameScene);
var progressionStep = 80.0f / maxRootNodes.Count;
var progression = 10.0f;
ReportProgressChanged((int)progression);
referencedMaterials.Clear();
Tools.guids.Clear();
// Reseting is optionnal. It makes each morph target manager export starts from id = 0.
BabylonMorphTargetManager.Reset();
foreach (var maxRootNode in maxRootNodes)
{
BabylonNode node = exportNodeRec(maxRootNode, babylonScene, gameScene);
// if we're exporting from a specific node, reset the pivot to {0,0,0}
if (node != null && exportParameters.exportNode != null)
{
SetNodePosition(ref node, ref babylonScene, new float[] { 0, 0, 0 });
}
progression += progressionStep;
ReportProgressChanged((int)progression);
CheckCancelled();
}
;
RaiseMessage(string.Format("Total meshes: {0}", babylonScene.MeshesList.Count), Color.Gray, 1);
// In 3DS Max the default camera look down (in the -z direction for the 3DS Max reference (+y for babylon))
// In Babylon the default camera look to the horizon (in the +z direction for the babylon reference)
// In glTF the default camera look to the horizon (in the +Z direction for glTF reference)
RaiseMessage("Update camera rotation and position", 1);
for (int index = 0; index < babylonScene.CamerasList.Count; index++)
{
BabylonCamera camera = babylonScene.CamerasList[index];
FixCamera(ref camera, ref babylonScene);
}
// Light for glTF
if (isGltfExported)
{
RaiseMessage("Update light rotation for glTF export", 1);
for (int index = 0; index < babylonScene.LightsList.Count; index++)
{
BabylonNode light = babylonScene.LightsList[index];
FixNodeRotation(ref light, ref babylonScene, -Math.PI / 2);
}
}
// Main camera
BabylonCamera babylonMainCamera = null;
ICameraObject maxMainCameraObject = null;
if (babylonMainCamera == null && babylonScene.CamerasList.Count > 0)
{
// Set first camera as main one
babylonMainCamera = babylonScene.CamerasList[0];
babylonScene.activeCameraID = babylonMainCamera.id;
RaiseMessage("Active camera set to " + babylonMainCamera.name, Color.Green, 1, true);
// Retreive camera node with same GUID
var maxCameraNodesAsTab = gameScene.GetIGameNodeByType(Autodesk.Max.IGameObject.ObjectTypes.Camera);
var maxCameraNodes = TabToList(maxCameraNodesAsTab);
var maxMainCameraNode = maxCameraNodes.Find(_camera => _camera.MaxNode.GetGuid().ToString() == babylonMainCamera.id);
maxMainCameraObject = (maxMainCameraNode.MaxNode.ObjectRef as ICameraObject);
}
if (babylonMainCamera == null)
{
RaiseWarning("No camera defined", 1);
}
else
{
RaiseMessage(string.Format("Total cameras: {0}", babylonScene.CamerasList.Count), Color.Gray, 1);
}
// Default light
bool addDefaultLight = rawScene.GetBoolProperty("babylonjs_addDefaultLight", 1);
if (addDefaultLight && 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 lights: {0}", babylonScene.LightsList.Count), Color.Gray, 1);
}
if (scaleFactorFloat != 1.0f)
{
RaiseMessage("A root node is added for scaling", 1);
// Create root node for scaling
BabylonMesh rootNode = new BabylonMesh {
name = "root", id = Guid.NewGuid().ToString()
};
rootNode.isDummy = true;
float rootNodeScale = scaleFactorFloat;
rootNode.scaling = new float[3] {
rootNodeScale, rootNodeScale, rootNodeScale
};
if (ExportQuaternionsInsteadOfEulers)
{
rootNode.rotationQuaternion = new float[] { 0, 0, 0, 1 };
}
else
{
rootNode.rotation = new float[] { 0, 0, 0 };
}
// Update all top nodes
var babylonNodes = new List <BabylonNode>();
babylonNodes.AddRange(babylonScene.MeshesList);
babylonNodes.AddRange(babylonScene.CamerasList);
babylonNodes.AddRange(babylonScene.LightsList);
foreach (BabylonNode babylonNode in babylonNodes)
{
if (babylonNode.parentId == null)
{
babylonNode.parentId = rootNode.id;
}
}
// Store root node
babylonScene.MeshesList.Add(rootNode);
}
// Materials
if (exportParameters.exportMaterials)
{
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);
}
else
{
RaiseMessage("Skipping material export.");
}
// 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;
RaiseMessage("Exporting fog");
if (fog != null)
{
babylonScene.fogColor = fog.GetColor(0).ToArray();
babylonScene.fogMode = 3;
}
if (babylonMainCamera != null)
{
babylonScene.fogStart = maxMainCameraObject.GetEnvRange(0, 0, Tools.Forever);
babylonScene.fogEnd = maxMainCameraObject.GetEnvRange(0, 1, Tools.Forever);
}
}
}
// Skeletons
if (skins.Count > 0)
{
RaiseMessage("Exporting skeletons");
foreach (var skin in skins)
{
ExportSkin(skin, babylonScene);
}
}
// Animation group
if (isBabylonExported)
{
RaiseMessage("Export animation groups");
// add animation groups to the scene
babylonScene.animationGroups = ExportAnimationGroups(babylonScene);
// if there is animationGroup, then remove animations from nodes
if (babylonScene.animationGroups.Count > 0)
{
foreach (BabylonNode node in babylonScene.MeshesList)
{
node.animations = null;
}
foreach (BabylonNode node in babylonScene.LightsList)
{
node.animations = null;
}
foreach (BabylonNode node in babylonScene.CamerasList)
{
node.animations = null;
}
foreach (BabylonSkeleton skel in babylonScene.SkeletonsList)
{
foreach (BabylonBone bone in skel.bones)
{
bone.animation = null;
}
}
}
}
// Output
babylonScene.Prepare(false, false);
if (isBabylonExported)
{
RaiseMessage("Saving to output file");
var outputFile = Path.Combine(outputBabylonDirectory, outputFileName);
var jsonSerializer = JsonSerializer.Create(new JsonSerializerSettings());
var sb = new StringBuilder();
var sw = new StringWriter(sb, CultureInfo.InvariantCulture);
using (var jsonWriter = new JsonTextWriterOptimized(sw))
{
jsonWriter.Formatting = Formatting.None;
jsonSerializer.Serialize(jsonWriter, babylonScene);
}
File.WriteAllText(outputFile, sb.ToString());
if (exportParameters.generateManifest)
{
File.WriteAllText(outputFile + ".manifest",
"{\r\n\"version\" : 1,\r\n\"enableSceneOffline\" : true,\r\n\"enableTexturesOffline\" : true\r\n}");
}
// Binary
if (outputFormat == "binary babylon")
{
RaiseMessage("Generating binary files");
BabylonFileConverter.BinaryConverter.Convert(outputFile, outputBabylonDirectory + "\\Binary",
message => RaiseMessage(message, 1),
error => RaiseError(error, 1));
}
}
ReportProgressChanged(100);
// Export glTF
if (isGltfExported)
{
bool generateBinary = outputFormat == "glb";
ExportGltf(babylonScene, tempOutputDirectory, outputFileName, generateBinary);
}
// Move files to output directory
var filePaths = Directory.GetFiles(tempOutputDirectory);
if (outputFormat == "binary babylon")
{
var tempBinaryOutputDirectory = Path.Combine(tempOutputDirectory, "Binary");
var binaryFilePaths = Directory.GetFiles(tempBinaryOutputDirectory);
foreach (var filePath in binaryFilePaths)
{
if (filePath.EndsWith(".binary.babylon"))
{
var file = Path.GetFileName(filePath);
var tempFilePath = Path.Combine(tempBinaryOutputDirectory, file);
var outputFile = Path.Combine(outputDirectory, file);
moveFileToOutputDirectory(tempFilePath, outputFile, exportParameters);
}
else if (filePath.EndsWith(".babylonbinarymeshdata"))
{
var file = Path.GetFileName(filePath);
var tempFilePath = Path.Combine(tempBinaryOutputDirectory, file);
var outputFile = Path.Combine(outputDirectory, file);
moveFileToOutputDirectory(tempFilePath, outputFile, exportParameters);
}
}
}
if (outputFormat == "glb")
{
foreach (var file_path in filePaths)
{
if (Path.GetExtension(file_path) == ".glb")
{
var file = Path.GetFileName(file_path);
var tempFilePath = Path.Combine(tempOutputDirectory, file);
var outputFile = Path.Combine(outputDirectory, file);
moveFileToOutputDirectory(tempFilePath, outputFile, exportParameters);
break;
}
}
}
else
{
foreach (var filePath in filePaths)
{
var file = Path.GetFileName(filePath);
var outputPath = Path.Combine(outputDirectory, file);
var tempFilePath = Path.Combine(tempOutputDirectory, file);
moveFileToOutputDirectory(tempFilePath, outputPath, exportParameters);
}
}
Directory.Delete(tempOutputDirectory, true);
watch.Stop();
RaiseMessage(string.Format("Exportation done in {0:0.00}s: {1}", watch.ElapsedMilliseconds / 1000.0, fileExportString), Color.Blue);
}
public async Task ExportAsync(string outputFile, bool generateManifest, bool onlySelected, bool generateBinary, Form callerForm)
{
var gameConversionManger = Loader.Global.ConversionManager;
gameConversionManger.CoordSystem = Autodesk.Max.IGameConversionManager.CoordSystem.D3d;
var gameScene = Loader.Global.IGameInterface;
gameScene.InitialiseIGame(onlySelected);
gameScene.SetStaticFrame(0);
MaxSceneFileName = gameScene.SceneFileName;
IsCancelled = false;
RaiseMessage("Exportation started", Color.Blue);
ReportProgressChanged(0);
var babylonScene = new BabylonScene(Path.GetDirectoryName(outputFile));
var rawScene = 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 = rawScene.GetVector3Property("babylonjs_gravity");
ExportQuaternionsInsteadOfEulers = rawScene.GetBoolProperty("babylonjs_exportquaternions", 1);
// Cameras
BabylonCamera mainCamera = null;
ICameraObject mainCameraNode = null;
RaiseMessage("Exporting cameras");
var camerasTab = gameScene.GetIGameNodeByType(Autodesk.Max.IGameObject.ObjectTypes.Camera);
for (int ix = 0; ix < camerasTab.Count; ++ix)
{
var indexer = new IntPtr(ix);
var cameraNode = camerasTab[indexer];
Marshal.FreeHGlobal(indexer);
ExportCamera(gameScene, cameraNode, babylonScene);
if (mainCamera == null && babylonScene.CamerasList.Count > 0)
{
mainCameraNode = (cameraNode.MaxNode.ObjectRef as ICameraObject);
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;
RaiseMessage("Exporting fog");
if (fog != null)
{
babylonScene.fogColor = fog.GetColor(0).ToArray();
babylonScene.fogMode = 3;
}
#if !MAX2015
else
{
var paramBlock = atmospheric.GetReference(0) as IIParamBlock;
babylonScene.fogColor = Tools.GetParamBlockValueColor(paramBlock, "Fog Color");
babylonScene.fogMode = 3;
}
#endif
if (mainCamera != null)
{
babylonScene.fogStart = mainCameraNode.GetEnvRange(0, 0, Tools.Forever);
babylonScene.fogEnd = mainCameraNode.GetEnvRange(0, 1, Tools.Forever);
}
}
}
// Meshes
ReportProgressChanged(10);
RaiseMessage("Exporting meshes");
var meshes = gameScene.GetIGameNodeByType(Autodesk.Max.IGameObject.ObjectTypes.Mesh);
var progressionStep = 80.0f / meshes.Count;
var progression = 10.0f;
for (int ix = 0; ix < meshes.Count; ++ix)
{
var indexer = new IntPtr(ix);
var meshNode = meshes[indexer];
Marshal.FreeHGlobal(indexer);
ExportMesh(gameScene, meshNode, babylonScene);
ReportProgressChanged((int)progression);
progression += progressionStep;
CheckCancelled();
}
// 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");
var lightNodes = gameScene.GetIGameNodeByType(Autodesk.Max.IGameObject.ObjectTypes.Light);
for (var i = 0; i < lightNodes.Count; ++i)
{
ExportLight(gameScene, lightNodes[new IntPtr(i)], 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);
}
}
// 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}");
}
});
// Binary
if (generateBinary)
{
RaiseMessage("Generating binary files");
BabylonFileConverter.BinaryConverter.Convert(outputFile, Path.GetDirectoryName(outputFile) + "\\Binary",
message => RaiseMessage(message, 1),
error => RaiseError(error, 1));
}
ReportProgressChanged(100);
watch.Stop();
RaiseMessage(string.Format("Exportation done in {0:0.00}s", watch.ElapsedMilliseconds / 1000.0), Color.Blue);
}
/// <summary>
/// Export to file
/// </summary>
/// <param name="outputDirectory">The directory to store the generated files</param>
/// <param name="outputFileName">The filename to use for the generated files</param>
/// <param name="outputFormat">The format to use for the generated files</param>
/// <param name="generateManifest">Specifies if a manifest file should be generated</param>
/// <param name="onlySelected">Specifies if only the selected objects should be exported</param>
/// <param name="autoSaveMayaFile">Specifies if the Maya scene should be auto-saved</param>
/// <param name="exportHiddenObjects">Specifies if hidden objects should be exported</param>
/// <param name="copyTexturesToOutput">Specifies if textures should be copied to the output directory</param>
/// <param name="optimizeVertices">Specifies if vertices should be optimized on export</param>
/// <param name="exportTangents">Specifies if tangents should be exported</param>
/// <param name="scaleFactor">Scales the scene by this factor</param>
/// <param name="exportSkin">Specifies if skins should be exported</param>
/// <param name="quality">The texture quality</param>
/// <param name="dracoCompression">Specifies if draco compression should be used</param>
/// <param name="exportMorphNormal">Specifies if normals should be exported for morph targets</param>
/// <param name="exportMorphTangent">Specifies if tangents should be exported for morph targets</param>
/// <param name="exportKHRLightsPunctual">Specifies if the KHR_lights_punctual extension should be enabled</param>
/// <param name="exportKHRTextureTransform">Specifies if the KHR_texture_transform extension should be enabled</param>
/// <param name="bakeAnimationFrames">Specifies if animations should be exporting keyframes directly or should manually bake out animations frame by frame</param>
public void Export(ExportParameters exportParameters)
{
this.exportParameters = exportParameters;
// Check if the animation is running
MGlobal.executeCommand("play -q - state", out int isPlayed);
if (isPlayed == 1)
{
RaiseError("Stop the animation before exporting.");
return;
}
RaiseMessage("Export started", Color.Blue);
var progression = 0.0f;
ReportProgressChanged(progression);
// Store export options
this.isBabylonExported = exportParameters.outputFormat == "babylon" || exportParameters.outputFormat == "binary babylon";
var outputBabylonDirectory = Path.GetDirectoryName(exportParameters.outputPath);
// Check directory exists
if (!Directory.Exists(outputBabylonDirectory))
{
RaiseError("Export stopped: Output folder does not exist");
ReportProgressChanged(100);
return;
}
var watch = new Stopwatch();
watch.Start();
var babylonScene = new BabylonScene(outputBabylonDirectory);
// Save scene
if (exportParameters.autoSaveSceneFile)
{
RaiseMessage("Saving Maya file");
// Query expand file name
string fileName = MGlobal.executeCommandStringResult($@"file -q -exn;");
// If scene has already been saved previously
if (fileName.EndsWith(".ma") || fileName.EndsWith(".mb"))
{
// Name is already specified and this line will not fail
MFileIO.save();
}
else
{
// Open SaveAs dialog window
MGlobal.executeCommand($@"fileDialog2;");
}
}
// Force output file extension to be babylon
var outputFileName = Path.ChangeExtension(Path.GetFileName(exportParameters.outputPath), "babylon");
// Store selected nodes
MSelectionList selectedNodes = new MSelectionList();
MGlobal.getActiveSelectionList(selectedNodes);
selectedNodeFullPaths = new List <string>();
MItSelectionList mItSelectionList = new MItSelectionList(selectedNodes);
while (!mItSelectionList.isDone)
{
MDagPath mDagPath = new MDagPath();
try
{
mItSelectionList.getDagPath(mDagPath);
selectedNodeFullPaths.Add(mDagPath.fullPathName);
} catch
{
// selected object is not a DAG object
// fail silently
}
mItSelectionList.next();
}
if (selectedNodeFullPaths.Count > 0)
{
RaiseMessage("Selected nodes full path");
foreach (string selectedNodeFullPath in selectedNodeFullPaths)
{
RaiseMessage(selectedNodeFullPath, 1);
}
}
// Producer
babylonScene.producer = new BabylonProducer
{
name = "Maya",
version = "2018",
exporter_version = exporterVersion,
file = outputFileName
};
// Global
babylonScene.autoClear = true;
// TODO - Retreive colors from Maya
//babylonScene.clearColor = Loader.Core.GetBackGround(0, Tools.Forever).ToArray();
//babylonScene.ambientColor = Loader.Core.GetAmbient(0, Tools.Forever).ToArray();
babylonScene.TimelineStartFrame = Loader.GetMinTime();
babylonScene.TimelineEndFrame = Loader.GetMaxTime();
babylonScene.TimelineFramesPerSecond = Loader.GetFPS();
// TODO - Add custom properties
_exportQuaternionsInsteadOfEulers = true;
PrintDAG(true);
PrintDAG(false);
// Store the current frame. It can be change to find a proper one for the node/bone export
double currentTime = Loader.GetCurrentTime();
// --------------------
// ------ Nodes -------
// --------------------
RaiseMessage("Exporting nodes");
// It makes each morph target manager export starts from id = 0.
BabylonMorphTargetManager.Reset();
// Clear materials
referencedMaterials.Clear();
multiMaterials.Clear();
// Get all nodes
var dagIterator = new MItDag(MItDag.TraversalType.kDepthFirst, MFn.Type.kTransform);
List <MDagPath> nodes = new List <MDagPath>();
while (!dagIterator.isDone)
{
MDagPath mDagPath = new MDagPath();
dagIterator.getPath(mDagPath);
// Check if one of its descendant (direct or not) is a mesh/camera/light/locator
if (isNodeRelevantToExportRec(mDagPath)
// Ensure it's not one of the default cameras used as viewports in Maya
&& defaultCameraNames.Contains(mDagPath.partialPathName) == false)
{
nodes.Add(mDagPath);
}
else
{
// Skip descendants
dagIterator.prune();
}
dagIterator.next();
}
// Export all nodes
var progressionStep = 100.0f / nodes.Count;
foreach (MDagPath mDagPath in nodes)
{
BabylonNode babylonNode = null;
try
{
switch (getApiTypeOfDirectDescendants(mDagPath))
{
case MFn.Type.kMesh:
babylonNode = ExportMesh(mDagPath, babylonScene);
break;
case MFn.Type.kCamera:
babylonNode = ExportCamera(mDagPath, babylonScene);
break;
case MFn.Type.kLight: // Lights api type are actually kPointLight, kSpotLight...
babylonNode = ExportLight(mDagPath, babylonScene);
break;
case MFn.Type.kLocator: // Camera target
babylonNode = ExportDummy(mDagPath, babylonScene);
break;
}
}
catch (Exception e)
{
this.RaiseWarning(String.Format("Exception raised during export. Node will be exported as dummy node. \r\nMessage: \r\n{0} \r\n{1}", e.Message, e.InnerException), 2);
}
// If node is not exported successfully
if (babylonNode == null)
{
// Create a dummy (empty mesh)
babylonNode = ExportDummy(mDagPath, babylonScene);
}
;
// Update progress bar
progression += progressionStep;
ReportProgressChanged(progression);
CheckCancelled();
}
RaiseMessage(string.Format("Total meshes: {0}", babylonScene.MeshesList.Count), Color.Gray, 1);
// if nothing is enlightened, exclude all meshes
foreach (BabylonLight light in babylonScene.LightsList)
{
if (light.includedOnlyMeshesIds.Length == 0)
{
light.excludedMeshesIds = babylonScene.MeshesList.Select(m => m.id).ToArray();
}
}
/*
* Switch coordinate system at global level
*
* Add a root node with negative scaling
* Pros - It's safer to use a root node
* Cons - It's cleaner to switch at object level (as it is done now)
* Use root node method when you want to be 100% sure of the output
* Don't forget to also inverse winding order of mesh indices
*/
//// Switch from right to left handed coordinate system
//MUuid mUuid = new MUuid();
//mUuid.generate();
//var rootNode = new BabylonMesh
//{
// name = "root",
// id = mUuid.asString(),
// scaling = new float[] { 1, 1, -1 }
//};
//foreach(var babylonMesh in babylonScene.MeshesList)
//{
// // Add root meshes as child to root node
// if (babylonMesh.parentId == null)
// {
// babylonMesh.parentId = rootNode.id;
// }
//}
//babylonScene.MeshesList.Add(rootNode);
// Main camera
BabylonCamera babylonMainCamera = null;
if (babylonScene.CamerasList.Count > 0)
{
// Set first camera as main one
babylonMainCamera = babylonScene.CamerasList[0];
babylonScene.activeCameraID = babylonMainCamera.id;
RaiseMessage("Active camera set to " + babylonMainCamera.name, Color.Green, 1, true);
}
if (babylonMainCamera == null)
{
RaiseWarning("No camera defined", 1);
}
else
{
RaiseMessage(string.Format("Total cameras: {0}", babylonScene.CamerasList.Count), Color.Gray, 1);
}
// Default light
if (!exportParameters.pbrNoLight && babylonScene.LightsList.Count == 0)
{
RaiseWarning("No light defined", 1);
RaiseWarning("A default ambient light was added for your convenience", 1);
ExportDefaultLight(babylonScene);
}
else
{
RaiseMessage(string.Format("Total lights: {0}", babylonScene.LightsList.Count), Color.Gray, 1);
}
var sceneScaleFactor = exportParameters.scaleFactor;
if (exportParameters.scaleFactor != 1.0f)
{
RaiseMessage(String.Format("A root node is added to globally scale the scene by {0}", sceneScaleFactor), 1);
// Create root node for scaling
BabylonMesh rootNode = new BabylonMesh {
name = "root", id = Tools.GenerateUUID()
};
rootNode.isDummy = true;
float rootNodeScale = sceneScaleFactor;
rootNode.scaling = new float[3] {
rootNodeScale, rootNodeScale, rootNodeScale
};
if (ExportQuaternionsInsteadOfEulers)
{
rootNode.rotationQuaternion = new float[] { 0, 0, 0, 1 };
}
else
{
rootNode.rotation = new float[] { 0, 0, 0 };
}
// Update all top nodes
var babylonNodes = new List <BabylonNode>();
babylonNodes.AddRange(babylonScene.MeshesList);
babylonNodes.AddRange(babylonScene.CamerasList);
babylonNodes.AddRange(babylonScene.LightsList);
foreach (BabylonNode babylonNode in babylonNodes)
{
if (babylonNode.parentId == null)
{
babylonNode.parentId = rootNode.id;
}
}
// Store root node
babylonScene.MeshesList.Add(rootNode);
}
// --------------------
// ----- Materials ----
// --------------------
RaiseMessage("Exporting materials");
GenerateMaterialDuplicationDatas(babylonScene);
foreach (var mat in referencedMaterials)
{
ExportMaterial(mat, babylonScene, exportParameters.pbrFull);
CheckCancelled();
}
foreach (var mat in multiMaterials)
{
ExportMultiMaterial(mat.Key, mat.Value, babylonScene, exportParameters.pbrFull);
CheckCancelled();
}
UpdateMeshesMaterialId(babylonScene);
RaiseMessage(string.Format("Total: {0}", babylonScene.MaterialsList.Count + babylonScene.MultiMaterialsList.Count), Color.Gray, 1);
// Export skeletons
if (exportParameters.exportSkins && skins.Count > 0)
{
progressSkin = 0;
progressSkinStep = 100 / skins.Count;
ReportProgressChanged(progressSkin);
RaiseMessage("Exporting skeletons");
foreach (var skin in skins)
{
ExportSkin(skin, babylonScene);
}
}
// set back the frame
Loader.SetCurrentTime(currentTime);
// ----------------------------
// ----- Animation groups -----
// ----------------------------
RaiseMessage("Export animation groups");
// add animation groups to the scene
babylonScene.animationGroups = ExportAnimationGroups(babylonScene);
if (isBabylonExported)
{
// if we are exporting to .Babylon then remove then remove animations from nodes if there are animation groups.
if (babylonScene.animationGroups.Count > 0)
{
// add animations of each nodes in the animGroup
List <BabylonNode> babylonNodes = new List <BabylonNode>();
babylonNodes.AddRange(babylonScene.MeshesList);
babylonNodes.AddRange(babylonScene.CamerasList);
babylonNodes.AddRange(babylonScene.LightsList);
foreach (BabylonNode node in babylonNodes)
{
node.animations = null;
}
foreach (BabylonSkeleton skel in babylonScene.SkeletonsList)
{
foreach (BabylonBone bone in skel.bones)
{
bone.animation = null;
}
}
}
// setup a default skybox for the scene for .Babylon export.
var sourcePath = exportParameters.pbrEnvironment;
if (!string.IsNullOrEmpty(sourcePath))
{
babylonScene.createDefaultSkybox = exportParameters.createDefaultSkybox;
var fileName = Path.GetFileName(sourcePath);
// Allow only dds file format
if (!fileName.EndsWith(".dds"))
{
RaiseWarning("Failed to export defauenvironment texture: only .dds format is supported.");
}
else
{
RaiseMessage($"texture id = Max_Babylon_Default_Environment");
babylonScene.environmentTexture = fileName;
if (exportParameters.writeTextures)
{
try
{
var destPath = Path.Combine(babylonScene.OutputPath, fileName);
if (File.Exists(sourcePath) && sourcePath != destPath)
{
File.Copy(sourcePath, destPath, true);
}
}
catch
{
// silently fails
RaiseMessage($"Fail to export the default env texture", 3);
}
}
}
}
}
// Output
babylonScene.Prepare(false, false);
if (isBabylonExported)
{
Write(babylonScene, outputBabylonDirectory, outputFileName, exportParameters.outputFormat, exportParameters.generateManifest);
}
ReportProgressChanged(100);
// Export glTF
if (exportParameters.outputFormat == "gltf" || exportParameters.outputFormat == "glb")
{
bool generateBinary = exportParameters.outputFormat == "glb";
GLTFExporter gltfExporter = new GLTFExporter();
gltfExporter.ExportGltf(this.exportParameters, babylonScene, outputBabylonDirectory, outputFileName, generateBinary, this);
}
watch.Stop();
RaiseMessage(string.Format("Export done in {0:0.00}s", watch.ElapsedMilliseconds / 1000.0), Color.Blue);
}
public void Export(string outputDirectory, string outputFileName, string outputFormat, bool generateManifest,
bool onlySelected, bool autoSaveMayaFile, bool exportHiddenObjects, bool copyTexturesToOutput,
bool optimizeVertices, bool exportTangents, string scaleFactor, bool exportSkin)
{
// Chekc if the animation is running
MGlobal.executeCommand("play -q - state", out int isPlayed);
if (isPlayed == 1)
{
RaiseError("Stop the animation before exporting.");
return;
}
// Check input text is valid
var scaleFactorFloat = 1.0f;
try
{
scaleFactor = scaleFactor.Replace(".", System.Globalization.NumberFormatInfo.CurrentInfo.NumberDecimalSeparator);
scaleFactor = scaleFactor.Replace(",", System.Globalization.NumberFormatInfo.CurrentInfo.NumberDecimalSeparator);
scaleFactorFloat = float.Parse(scaleFactor);
}
catch
{
RaiseError("Scale factor is not a valid number.");
return;
}
RaiseMessage("Exportation started", Color.Blue);
var progression = 0.0f;
ReportProgressChanged(progression);
// Store export options
_onlySelected = onlySelected;
_exportHiddenObjects = exportHiddenObjects;
_optimizeVertices = optimizeVertices;
_exportTangents = exportTangents;
CopyTexturesToOutput = copyTexturesToOutput;
isBabylonExported = outputFormat == "babylon" || outputFormat == "binary babylon";
_exportSkin = exportSkin;
// Check directory exists
if (!Directory.Exists(outputDirectory))
{
RaiseError("Exportation stopped: Output folder does not exist");
ReportProgressChanged(100);
return;
}
var watch = new Stopwatch();
watch.Start();
var outputBabylonDirectory = outputDirectory;
var babylonScene = new BabylonScene(outputBabylonDirectory);
// Save scene
if (autoSaveMayaFile)
{
RaiseMessage("Saving Maya file");
// Query expand file name
string fileName = MGlobal.executeCommandStringResult($@"file -q -exn;");
// If scene has already been saved previously
if (fileName.EndsWith(".ma") || fileName.EndsWith(".mb"))
{
// Name is already specified and this line will not fail
MFileIO.save();
}
else
{
// Open SaveAs dialog window
MGlobal.executeCommand($@"fileDialog2;");
}
}
// Force output file extension to be babylon
outputFileName = Path.ChangeExtension(outputFileName, "babylon");
// Store selected nodes
MSelectionList selectedNodes = new MSelectionList();
MGlobal.getActiveSelectionList(selectedNodes);
selectedNodeFullPaths = new List <string>();
MItSelectionList mItSelectionList = new MItSelectionList(selectedNodes);
while (!mItSelectionList.isDone)
{
MDagPath mDagPath = new MDagPath();
try
{
mItSelectionList.getDagPath(mDagPath);
selectedNodeFullPaths.Add(mDagPath.fullPathName);
} catch
{
// selected object is not a DAG object
// fail silently
}
mItSelectionList.next();
}
if (selectedNodeFullPaths.Count > 0)
{
RaiseMessage("Selected nodes full path");
foreach (string selectedNodeFullPath in selectedNodeFullPaths)
{
RaiseMessage(selectedNodeFullPath, 1);
}
}
// Producer
babylonScene.producer = new BabylonProducer
{
name = "Maya",
version = "2018",
exporter_version = exporterVersion,
file = outputFileName
};
// Global
babylonScene.autoClear = true;
// TODO - Retreive colors from Maya
//babylonScene.clearColor = Loader.Core.GetBackGround(0, Tools.Forever).ToArray();
//babylonScene.ambientColor = Loader.Core.GetAmbient(0, Tools.Forever).ToArray();
// TODO - Add custom properties
_exportQuaternionsInsteadOfEulers = true;
PrintDAG(true);
PrintDAG(false);
// --------------------
// ------ Nodes -------
// --------------------
RaiseMessage("Exporting nodes");
// Clear materials
referencedMaterials.Clear();
multiMaterials.Clear();
// Get all nodes
var dagIterator = new MItDag(MItDag.TraversalType.kDepthFirst, MFn.Type.kTransform);
List <MDagPath> nodes = new List <MDagPath>();
while (!dagIterator.isDone)
{
MDagPath mDagPath = new MDagPath();
dagIterator.getPath(mDagPath);
// Check if one of its descendant (direct or not) is a mesh/camera/light/locator
if (isNodeRelevantToExportRec(mDagPath)
// Ensure it's not one of the default cameras used as viewports in Maya
&& defaultCameraNames.Contains(mDagPath.partialPathName) == false)
{
nodes.Add(mDagPath);
}
else
{
// Skip descendants
dagIterator.prune();
}
dagIterator.next();
}
// Export all nodes
var progressionStep = 100.0f / nodes.Count;
foreach (MDagPath mDagPath in nodes)
{
BabylonNode babylonNode = null;
switch (getApiTypeOfDirectDescendants(mDagPath))
{
case MFn.Type.kMesh:
babylonNode = ExportMesh(mDagPath, babylonScene);
break;
case MFn.Type.kCamera:
babylonNode = ExportCamera(mDagPath, babylonScene);
break;
case MFn.Type.kLight: // Lights api type are actually kPointLight, kSpotLight...
babylonNode = ExportLight(mDagPath, babylonScene);
break;
case MFn.Type.kLocator: // Camera target
babylonNode = ExportDummy(mDagPath, babylonScene);
break;
}
// If node is not exported successfully
if (babylonNode == null)
{
// Create a dummy (empty mesh)
babylonNode = ExportDummy(mDagPath, babylonScene);
}
;
// Update progress bar
progression += progressionStep;
ReportProgressChanged(progression);
CheckCancelled();
}
RaiseMessage(string.Format("Total meshes: {0}", babylonScene.MeshesList.Count), Color.Gray, 1);
// if nothing is enlightened, exclude all meshes
foreach (BabylonLight light in babylonScene.LightsList)
{
if (light.includedOnlyMeshesIds.Length == 0)
{
light.excludedMeshesIds = babylonScene.MeshesList.Select(m => m.id).ToArray();
}
}
/*
* Switch coordinate system at global level
*
* Add a root node with negative scaling
* Pros - It's safer to use a root node
* Cons - It's cleaner to switch at object level (as it is done now)
* Use root node method when you want to be 100% sure of the output
* Don't forget to also inverse winding order of mesh indices
*/
//// Switch from right to left handed coordinate system
//MUuid mUuid = new MUuid();
//mUuid.generate();
//var rootNode = new BabylonMesh
//{
// name = "root",
// id = mUuid.asString(),
// scaling = new float[] { 1, 1, -1 }
//};
//foreach(var babylonMesh in babylonScene.MeshesList)
//{
// // Add root meshes as child to root node
// if (babylonMesh.parentId == null)
// {
// babylonMesh.parentId = rootNode.id;
// }
//}
//babylonScene.MeshesList.Add(rootNode);
// Main camera
BabylonCamera babylonMainCamera = null;
if (babylonScene.CamerasList.Count > 0)
{
// Set first camera as main one
babylonMainCamera = babylonScene.CamerasList[0];
babylonScene.activeCameraID = babylonMainCamera.id;
RaiseMessage("Active camera set to " + babylonMainCamera.name, Color.Green, 1, true);
}
if (babylonMainCamera == null)
{
RaiseWarning("No camera defined", 1);
}
else
{
RaiseMessage(string.Format("Total cameras: {0}", babylonScene.CamerasList.Count), Color.Gray, 1);
}
// Default light
if (babylonScene.LightsList.Count == 0)
{
RaiseWarning("No light defined", 1);
RaiseWarning("A default ambient light was added for your convenience", 1);
ExportDefaultLight(babylonScene);
}
else
{
RaiseMessage(string.Format("Total lights: {0}", babylonScene.LightsList.Count), Color.Gray, 1);
}
if (scaleFactorFloat != 1.0f)
{
RaiseMessage("A root node is added for scaling", 1);
// Create root node for scaling
BabylonMesh rootNode = new BabylonMesh {
name = "root", id = Tools.GenerateUUID()
};
rootNode.isDummy = true;
float rootNodeScale = 1.0f / scaleFactorFloat;
rootNode.scaling = new float[3] {
rootNodeScale, rootNodeScale, rootNodeScale
};
// Update all top nodes
var babylonNodes = new List <BabylonNode>();
babylonNodes.AddRange(babylonScene.MeshesList);
babylonNodes.AddRange(babylonScene.CamerasList);
babylonNodes.AddRange(babylonScene.LightsList);
foreach (BabylonNode babylonNode in babylonNodes)
{
if (babylonNode.parentId == null)
{
babylonNode.parentId = rootNode.id;
}
}
// Store root node
babylonScene.MeshesList.Add(rootNode);
}
// --------------------
// ----- Materials ----
// --------------------
RaiseMessage("Exporting materials");
GenerateMaterialDuplicationDatas(babylonScene);
foreach (var mat in referencedMaterials)
{
ExportMaterial(mat, babylonScene);
CheckCancelled();
}
foreach (var mat in multiMaterials)
{
ExportMultiMaterial(mat.Key, mat.Value, babylonScene);
CheckCancelled();
}
UpdateMeshesMaterialId(babylonScene);
RaiseMessage(string.Format("Total: {0}", babylonScene.MaterialsList.Count + babylonScene.MultiMaterialsList.Count), Color.Gray, 1);
// Export skeletons
if (_exportSkin && skins.Count > 0)
{
progressSkin = 0;
progressSkinStep = 100 / skins.Count;
ReportProgressChanged(progressSkin);
RaiseMessage("Exporting skeletons");
foreach (var skin in skins)
{
ExportSkin(skin, babylonScene);
}
}
// Output
babylonScene.Prepare(false, false);
if (isBabylonExported)
{
Write(babylonScene, outputBabylonDirectory, outputFileName, outputFormat, generateManifest);
}
ReportProgressChanged(100);
// Export glTF
if (outputFormat == "gltf" || outputFormat == "glb")
{
bool generateBinary = outputFormat == "glb";
ExportGltf(babylonScene, outputDirectory, outputFileName, generateBinary);
}
watch.Stop();
RaiseMessage(string.Format("Exportation done in {0:0.00}s", watch.ElapsedMilliseconds / 1000.0), Color.Blue);
}
private BabylonCamera ExportCamera(IIGameScene scene, IIGameNode cameraNode, BabylonScene babylonScene)
{
if (IsCameraExportable(cameraNode) == false)
{
return(null);
}
var gameCamera = cameraNode.IGameObject.AsGameCamera();
var maxCamera = gameCamera.MaxObject as ICameraObject;
var initialized = gameCamera.InitializeData;
var babylonCamera = new BabylonCamera();
RaiseMessage(cameraNode.Name, 1);
babylonCamera.name = cameraNode.Name;
babylonCamera.id = cameraNode.MaxNode.GetGuid().ToString();
if (cameraNode.NodeParent != null)
{
babylonCamera.parentId = cameraNode.NodeParent.MaxNode.GetGuid().ToString();
}
babylonCamera.fov = Tools.ConvertFov(maxCamera.GetFOV(0, Tools.Forever));
if (maxCamera.ManualClip == 1)
{
babylonCamera.minZ = maxCamera.GetClipDist(0, 1, Tools.Forever);
babylonCamera.maxZ = maxCamera.GetClipDist(0, 2, Tools.Forever);
}
else
{
babylonCamera.minZ = 0.1f;
babylonCamera.maxZ = 10000.0f;
}
if (babylonCamera.minZ == 0.0f)
{
babylonCamera.minZ = 0.1f;
}
// Type
babylonCamera.type = cameraNode.MaxNode.GetStringProperty("babylonjs_type", "FreeCamera");
// Control
babylonCamera.speed = cameraNode.MaxNode.GetFloatProperty("babylonjs_speed", 1.0f);
babylonCamera.inertia = cameraNode.MaxNode.GetFloatProperty("babylonjs_inertia", 0.9f);
// Collisions
babylonCamera.checkCollisions = cameraNode.MaxNode.GetBoolProperty("babylonjs_checkcollisions");
babylonCamera.applyGravity = cameraNode.MaxNode.GetBoolProperty("babylonjs_applygravity");
babylonCamera.ellipsoid = cameraNode.MaxNode.GetVector3Property("babylonjs_ellipsoid");
// Position / rotation
var localTM = GetLocalTM(cameraNode, 0);
var position = localTM.Translation;
var rotation = localTM.Rotation;
babylonCamera.position = new[] { position.X, position.Y, position.Z };
var rotationQuaternion = new BabylonQuaternion {
X = rotation.X, Y = rotation.Y, Z = rotation.Z, W = -rotation.W
};
if (ExportQuaternionsInsteadOfEulers)
{
babylonCamera.rotationQuaternion = rotationQuaternion.ToArray();
}
else
{
babylonCamera.rotation = rotationQuaternion.toEulerAngles().ToArray();
}
// Target
var target = gameCamera.CameraTarget;
if (target != null)
{
babylonCamera.lockedTargetId = target.MaxNode.GetGuid().ToString();
}
else
{
// TODO - Check if should be local or world
var vDir = Loader.Global.Point3.Create(0, -1, 0);
vDir = localTM.ExtractMatrix3().VectorTransform(vDir).Normalize;
vDir = vDir.Add(position);
babylonCamera.target = new[] { vDir.X, vDir.Y, vDir.Z };
}
// Animations
var animations = new List <BabylonAnimation>();
GeneratePositionAnimation(cameraNode, animations);
if (target == null)
{
// Export rotation animation
//GenerateRotationAnimation(cameraNode, animations);
ExportVector3Animation("target", animations, key =>
{
var wmCam = GetLocalTM(cameraNode, key);
var positionCam = wmCam.Translation;
var vDir = Loader.Global.Point3.Create(0, -1, 0);
vDir = wmCam.ExtractMatrix3().VectorTransform(vDir).Normalize;
vDir = vDir.Add(positionCam);
return(new[] { vDir.X, vDir.Y, vDir.Z });
});
}
// Animation temporary stored for gltf but not exported for babylon
// TODO - Will cause an issue when externalizing the glTF export process
var extraAnimations = new List <BabylonAnimation>();
// Do not check if node rotation properties are animated
GenerateRotationAnimation(cameraNode, extraAnimations, true);
babylonCamera.extraAnimations = extraAnimations;
ExportFloatAnimation("fov", animations, key => new[] { Tools.ConvertFov((gameCamera.MaxObject as ICameraObject).GetFOV(key, Tools.Forever)) });
babylonCamera.animations = animations.ToArray();
if (cameraNode.MaxNode.GetBoolProperty("babylonjs_autoanimate"))
{
babylonCamera.autoAnimate = true;
babylonCamera.autoAnimateFrom = (int)cameraNode.MaxNode.GetFloatProperty("babylonjs_autoanimate_from");
babylonCamera.autoAnimateTo = (int)cameraNode.MaxNode.GetFloatProperty("babylonjs_autoanimate_to");
babylonCamera.autoAnimateLoop = cameraNode.MaxNode.GetBoolProperty("babylonjs_autoanimateloop");
}
babylonScene.CamerasList.Add(babylonCamera);
return(babylonCamera);
}
static void DumpCameras(NovaScene scene, BabylonScene babylonScene)
{
foreach (NovaCamera camera in scene.Cameras)
{
var babylonCamera = new BabylonCamera();
babylonScene.CamerasList.Add(babylonCamera);
babylonCamera.name = camera.Name;
babylonCamera.id = camera.ID.ToString();
babylonCamera.position = camera.Position.ToArray();
babylonCamera.rotation = camera.Rotation.ToArray();
babylonCamera.fov = camera.FOV;
babylonCamera.minZ = camera.NearClip;
babylonCamera.maxZ = camera.FarClip;
babylonCamera.inertia = camera.Inertia;
babylonCamera.speed = camera.Speed;
babylonCamera.checkCollisions = camera.CheckCollisions;
babylonCamera.applyGravity = camera.ApplyGravity;
babylonCamera.ellipsoid = camera.EllipsoidVector.ToArray();
}
if (scene.ActiveCamera != null)
{
babylonScene.activeCameraID = scene.ActiveCamera.ID.ToString();
}
}
private GLTFCamera ExportCamera(BabylonCamera babylonCamera, GLTF gltf, GLTFNode gltfParentNode)
{
RaiseMessage("GLTFExporter.Camera | Export camera named: " + babylonCamera.name, 1);
// --------------------------
// ---------- Node ----------
// --------------------------
RaiseMessage("GLTFExporter.Camera | Node", 2);
// Node
var gltfNode = new GLTFNode();
gltfNode.name = GetUniqueNodeName(babylonCamera.name);
gltfNode.index = gltf.NodesList.Count;
gltf.NodesList.Add(gltfNode);
// Hierarchy
if (gltfParentNode != null)
{
RaiseMessage("GLTFExporter.Camera | Add " + babylonCamera.name + " as child to " + gltfParentNode.name, 3);
gltfParentNode.ChildrenList.Add(gltfNode.index);
gltfNode.parent = gltfParentNode;
}
else
{
// It's a root node
// Only root nodes are listed in a gltf scene
RaiseMessage("GLTFExporter.Camera | Add " + babylonCamera.name + " as root node to scene", 3);
gltf.scenes[0].NodesList.Add(gltfNode.index);
}
// Transform
gltfNode.translation = babylonCamera.position;
if (babylonCamera.rotationQuaternion != null)
{
gltfNode.rotation = babylonCamera.rotationQuaternion;
}
else
{
// Convert rotation vector to quaternion
BabylonVector3 rotationVector3 = new BabylonVector3
{
X = babylonCamera.rotation[0],
Y = babylonCamera.rotation[1],
Z = babylonCamera.rotation[2]
};
gltfNode.rotation = rotationVector3.toQuaternion().ToArray();
}
// No scaling defined for babylon camera. Use identity instead.
gltfNode.scale = new float[3] {
1, 1, 1
};
// Switch coordinate system at object level
gltfNode.translation[2] *= -1;
gltfNode.rotation[0] *= -1;
gltfNode.rotation[1] *= -1;
// Animations
ExportNodeAnimation(babylonCamera, gltf, gltfNode);
// --- prints ---
#region prints
RaiseVerbose("GLTFExporter.Camera | babylonCamera data", 2);
RaiseVerbose("GLTFExporter.Camera | babylonCamera.type=" + babylonCamera.type, 3);
RaiseVerbose("GLTFExporter.Camera | babylonCamera.fov=" + babylonCamera.fov, 3);
RaiseVerbose("GLTFExporter.Camera | babylonCamera.maxZ=" + babylonCamera.maxZ, 3);
RaiseVerbose("GLTFExporter.Camera | babylonCamera.minZ=" + babylonCamera.minZ, 3);
#endregion
// --------------------------
// ------- gltfCamera -------
// --------------------------
RaiseMessage("GLTFExporter.Camera | create gltfCamera", 2);
// Camera
var gltfCamera = new GLTFCamera {
name = babylonCamera.name
};
gltfCamera.index = gltf.CamerasList.Count;
gltf.CamerasList.Add(gltfCamera);
gltfNode.camera = gltfCamera.index;
gltfCamera.gltfNode = gltfNode;
// Camera type
switch (babylonCamera.mode)
{
case (BabylonCamera.CameraMode.ORTHOGRAPHIC_CAMERA):
var gltfCameraOrthographic = new GLTFCameraOrthographic();
gltfCameraOrthographic.xmag = 1; // Do not bother about it - still mandatory
gltfCameraOrthographic.ymag = 1; // Do not bother about it - still mandatory
gltfCameraOrthographic.zfar = babylonCamera.maxZ;
gltfCameraOrthographic.znear = babylonCamera.minZ;
gltfCamera.type = GLTFCamera.CameraType.orthographic.ToString();
gltfCamera.orthographic = gltfCameraOrthographic;
break;
case (BabylonCamera.CameraMode.PERSPECTIVE_CAMERA):
var gltfCameraPerspective = new GLTFCameraPerspective();
gltfCameraPerspective.aspectRatio = null; // Do not bother about it - use default glTF value
gltfCameraPerspective.yfov = babylonCamera.fov; // Babylon camera fov mode is assumed to be vertical (FOVMODE_VERTICAL_FIXED)
gltfCameraPerspective.zfar = babylonCamera.maxZ;
gltfCameraPerspective.znear = babylonCamera.minZ;
gltfCamera.type = GLTFCamera.CameraType.perspective.ToString();
gltfCamera.perspective = gltfCameraPerspective;
break;
default:
RaiseError("GLTFExporter.Camera | camera mode not found");
break;
}
return(gltfCamera);
}
private BabylonCamera ExportCamera(Node cameraNode, BabylonScene babylonScene)
{
var maxCamera = (cameraNode.Object as Camera)._Camera;
var babylonCamera = new BabylonCamera();
RaiseMessage(cameraNode.Name, true);
babylonCamera.name = cameraNode.Name;
babylonCamera.id = cameraNode.GetGuid().ToString();
if (cameraNode.HasParent())
{
babylonCamera.parentId = cameraNode.Parent.GetGuid().ToString();
}
babylonCamera.fov = Tools.ConvertFov(maxCamera.GetFOV(0, Interval.Forever._IInterval));
babylonCamera.minZ = maxCamera.GetEnvRange(0, 0, Interval.Forever._IInterval);
babylonCamera.maxZ = maxCamera.GetEnvRange(0, 1, Interval.Forever._IInterval);
if (babylonCamera.minZ == 0.0f)
{
babylonCamera.minZ = 0.1f;
}
// Control
babylonCamera.speed = cameraNode._Node.GetFloatProperty("babylonjs_speed");
babylonCamera.inertia = cameraNode._Node.GetFloatProperty("babylonjs_inertia");
// Collisions
babylonCamera.checkCollisions = cameraNode._Node.GetBoolProperty("babylonjs_checkcollisions");
babylonCamera.applyGravity = cameraNode._Node.GetBoolProperty("babylonjs_applygravity");
babylonCamera.ellipsoid = cameraNode._Node.GetVector3Property("babylonjs_ellipsoid");
// Position
var wm = cameraNode.GetWorldMatrix(0, cameraNode.HasParent());
var position = wm.Trans;
babylonCamera.position = position.ToArraySwitched();
// Target
var target = cameraNode._Node.Target;
if (target != null)
{
babylonCamera.lockedTargetId = target.GetGuid().ToString();
}
else
{
var dir = wm.GetRow(2).MultiplyBy(-1);
babylonCamera.target = position.Add(dir).ToArraySwitched();
}
// Animations
var animations = new List <BabylonAnimation>();
ExportVector3Animation("position", animations, key =>
{
var worldMatrix = cameraNode.GetWorldMatrix(key, cameraNode.HasParent());
return(worldMatrix.Trans.ToArraySwitched());
});
ExportFloatAnimation("fov", animations, key => new[] { Tools.ConvertFov(maxCamera.GetFOV(key, Interval.Forever._IInterval)) });
babylonCamera.animations = animations.ToArray();
if (cameraNode._Node.GetBoolProperty("babylonjs_autoanimate"))
{
babylonCamera.autoAnimate = true;
babylonCamera.autoAnimateFrom = (int)cameraNode._Node.GetFloatProperty("babylonjs_autoanimate_from");
babylonCamera.autoAnimateTo = (int)cameraNode._Node.GetFloatProperty("babylonjs_autoanimate_to");
babylonCamera.autoAnimateLoop = cameraNode._Node.GetBoolProperty("babylonjs_autoanimateloop");
}
babylonScene.CamerasList.Add(babylonCamera);
return(babylonCamera);
}
private int AddParameterSamplerAnimation(BabylonCamera babylonCamera, GLTFAnimation gltfAnimation, GLTFExporter exporter, GLTF gltf, int startFrame, int endFrame)
{
var samplerList = gltfAnimation.SamplerList;
// Combine babylon animations from .babylon file and cached ones
var babylonAnimations = new List <BabylonAnimation>();
if (babylonCamera.animations != null)
{
IEnumerable <BabylonAnimation> extendedAnimations = babylonCamera.animations.Where(anim => anim.name == "fov animation");
babylonAnimations.AddRange(extendedAnimations);
}
if (babylonAnimations.Count > 0)
{
if (babylonAnimations.Count > 0)
{
exporter.logger.RaiseMessage("GLTFExporter.Animation | Export animations of node named: " + babylonCamera.name, 2);
}
foreach (BabylonAnimation babylonAnimation in babylonAnimations)
{
var babylonAnimationKeysInRange = babylonAnimation.keys.Where(key => key.frame >= startFrame && key.frame <= endFrame);
if (babylonAnimationKeysInRange.Count() <= 0)
{
continue;
}
string target_path = babylonAnimation.property;
// --- Input ---
var accessorInput = exporter._createAndPopulateInput(gltf, babylonAnimation, startFrame, endFrame);
if (accessorInput == null)
{
continue;
}
// --- Output ---
GLTFAccessor accessorOutput = FlightSimAsoboPropertyAnimationExtension._createAccessorOfProperty(target_path, gltf);
if (accessorOutput == null)
{
continue;
}
// Populate accessor
int numKeys = 0;
foreach (var babylonAnimationKey in babylonAnimationKeysInRange)
{
numKeys++;
// copy data before changing it in case animation groups overlap
float[] outputValues = new float[babylonAnimationKey.values.Length];
babylonAnimationKey.values.CopyTo(outputValues, 0);
// Store values as bytes
foreach (var outputValue in outputValues)
{
accessorOutput.bytesList.AddRange(BitConverter.GetBytes(outputValue));
}
}
;
accessorOutput.count = numKeys;
if (accessorOutput.count == 0)
{
exporter.logger.RaiseWarning(String.Format("GLTFExporter.Animation | No frames to export in material animation \"{1}\" of node named \"{0}\". This will cause an error in the output gltf.", babylonCamera.name, babylonAnimation.name));
}
// Animation sampler
var gltfAnimationSampler = new GLTFAnimationSampler
{
input = accessorInput.index,
output = accessorOutput.index
};
gltfAnimationSampler.index = samplerList.Count;
samplerList.Add(gltfAnimationSampler);
}
}
else
{
return(-1);
}
return(samplerList.Count - 1);
}
/// <summary>
/// In 3DS Max the default camera look down (in the -z direction for the 3DS Max reference (+y for babylon))
/// In Babylon the default camera look to the horizon (in the +z direction for the babylon reference)
/// So to correct this difference, this function apply a rotation to the camera and its first children.
/// </summary>
/// <param name="camera"></param>
/// <param name="babylonScene">Use the exported babylon scene to get the final hierarchy</param>
private void FixCamera(ref BabylonCamera camera, ref BabylonScene babylonScene)
{
string id = camera.id;
IList <BabylonMesh> meshes = babylonScene.MeshesList.FindAll(mesh => mesh.parentId == null ? false : mesh.parentId.Equals(id));
RaiseMessage($"{camera.name}", 2);
if (camera.target == null)
{
// fix the vue
// Rotation around the axis X of PI / 2 in the indirect direction
double angle = Math.PI / 2;
if (camera.rotation != null)
{
camera.rotation[0] += (float)angle;
}
if (camera.rotationQuaternion != null)
{
BabylonQuaternion rotationQuaternion = FixCameraQuaternion(camera, angle);
camera.rotationQuaternion = rotationQuaternion.ToArray();
camera.rotation = rotationQuaternion.toEulerAngles().ToArray();
}
// animation
List <BabylonAnimation> animations = new List <BabylonAnimation>(camera.animations);
BabylonAnimation animationRotationQuaternion = animations.Find(animation => animation.property.Equals("rotationQuaternion"));
if (animationRotationQuaternion != null)
{
foreach (BabylonAnimationKey key in animationRotationQuaternion.keys)
{
key.values = FixCameraQuaternion(key.values, angle);
}
}
else // if the camera has a lockedTargetId, it is the extraAnimations that stores the rotation animation
{
if (camera.extraAnimations != null)
{
List <BabylonAnimation> extraAnimations = new List <BabylonAnimation>(camera.extraAnimations);
animationRotationQuaternion = extraAnimations.Find(animation => animation.property.Equals("rotationQuaternion"));
if (animationRotationQuaternion != null)
{
foreach (BabylonAnimationKey key in animationRotationQuaternion.keys)
{
key.values = FixCameraQuaternion(key.values, angle);
}
}
}
}
// fix direct children
// Rotation around the axis X of -PI / 2 in the direct direction
angle = -Math.PI / 2;
foreach (var mesh in meshes)
{
RaiseVerbose($"{mesh.name}", 3);
mesh.position = new float[] { mesh.position[0], mesh.position[2], -mesh.position[1] };
// Add a rotation of PI/2 axis X in direct direction
if (mesh.rotationQuaternion != null)
{
// Rotation around the axis X of -PI / 2 in the direct direction
BabylonQuaternion quaternion = FixChildQuaternion(mesh, angle);
mesh.rotationQuaternion = quaternion.ToArray();
}
if (mesh.rotation != null)
{
mesh.rotation[0] += (float)angle;
}
// Animations
animations = new List <BabylonAnimation>(mesh.animations);
// Position
BabylonAnimation animationPosition = animations.Find(animation => animation.property.Equals("position"));
if (animationPosition != null)
{
foreach (BabylonAnimationKey key in animationPosition.keys)
{
key.values = new float[] { key.values[0], key.values[2], -key.values[1] };
}
}
// Rotation
animationRotationQuaternion = animations.Find(animation => animation.property.Equals("rotationQuaternion"));
if (animationRotationQuaternion != null)
{
foreach (BabylonAnimationKey key in animationRotationQuaternion.keys)
{
key.values = FixChildQuaternion(key.values, angle);
}
}
}
}
}
public async Task ExportAsync(string outputFile, string outputFormat, bool generateManifest, bool onlySelected, Form callerForm)
{
var gameConversionManger = Loader.Global.ConversionManager;
gameConversionManger.CoordSystem = Autodesk.Max.IGameConversionManager.CoordSystem.D3d;
var gameScene = Loader.Global.IGameInterface;
gameScene.InitialiseIGame(onlySelected);
gameScene.SetStaticFrame(0);
MaxSceneFileName = gameScene.SceneFileName;
// Force output file extension to be babylon
outputFile = Path.ChangeExtension(outputFile, "babylon");
IsCancelled = false;
RaiseMessage("Exportation started", Color.Blue);
ReportProgressChanged(0);
var babylonScene = new BabylonScene(Path.GetDirectoryName(outputFile));
var rawScene = Loader.Core.RootNode;
if (!Directory.Exists(babylonScene.OutputPath))
{
RaiseError("Exportation stopped: Output folder does not exist");
ReportProgressChanged(100);
return;
}
var watch = new Stopwatch();
watch.Start();
// Save scene
if (AutoSave3dsMaxFile)
{
RaiseMessage("Saving 3ds max file");
var forceSave = Loader.Core.FileSave;
callerForm?.BringToFront();
}
// Producer
babylonScene.producer = new BabylonProducer
{
name = "3dsmax",
#if MAX2017
version = "2017",
#else
version = Loader.Core.ProductVersion.ToString(),
#endif
exporter_version = "0.4.5",
file = Path.GetFileName(outputFile)
};
// Global
babylonScene.autoClear = true;
babylonScene.clearColor = Loader.Core.GetBackGround(0, Tools.Forever).ToArray();
babylonScene.ambientColor = Loader.Core.GetAmbient(0, Tools.Forever).ToArray();
babylonScene.gravity = rawScene.GetVector3Property("babylonjs_gravity");
ExportQuaternionsInsteadOfEulers = rawScene.GetBoolProperty("babylonjs_exportquaternions", 1);
if (Loader.Core.UseEnvironmentMap && Loader.Core.EnvironmentMap != null)
{
// Environment texture
var environmentMap = Loader.Core.EnvironmentMap;
// Copy image file to output if necessary
var babylonTexture = ExportTexture(environmentMap, 1.0f, babylonScene, true);
babylonScene.environmentTexture = babylonTexture.name;
// Skybox
babylonScene.createDefaultSkybox = rawScene.GetBoolProperty("babylonjs_createDefaultSkybox");
babylonScene.skyboxBlurLevel = rawScene.GetFloatProperty("babylonjs_skyboxBlurLevel");
}
// Sounds
var soundName = rawScene.GetStringProperty("babylonjs_sound_filename", "");
if (!string.IsNullOrEmpty(soundName))
{
var filename = Path.GetFileName(soundName);
var globalSound = new BabylonSound
{
autoplay = rawScene.GetBoolProperty("babylonjs_sound_autoplay", 1),
loop = rawScene.GetBoolProperty("babylonjs_sound_loop", 1),
name = filename
};
babylonScene.SoundsList.Add(globalSound);
try
{
File.Copy(soundName, Path.Combine(babylonScene.OutputPath, filename), true);
}
catch
{
}
}
// Root nodes
RaiseMessage("Exporting nodes");
HashSet <IIGameNode> maxRootNodes = getRootNodes(gameScene);
var progressionStep = 80.0f / maxRootNodes.Count;
var progression = 10.0f;
ReportProgressChanged((int)progression);
referencedMaterials.Clear();
// Reseting is optionnal. It makes each morph target manager export starts from id = 0.
BabylonMorphTargetManager.Reset();
foreach (var maxRootNode in maxRootNodes)
{
exportNodeRec(maxRootNode, babylonScene, gameScene);
progression += progressionStep;
ReportProgressChanged((int)progression);
CheckCancelled();
}
;
RaiseMessage(string.Format("Total meshes: {0}", babylonScene.MeshesList.Count), Color.Gray, 1);
// Main camera
BabylonCamera babylonMainCamera = null;
ICameraObject maxMainCameraObject = null;
if (babylonMainCamera == null && babylonScene.CamerasList.Count > 0)
{
// Set first camera as main one
babylonMainCamera = babylonScene.CamerasList[0];
babylonScene.activeCameraID = babylonMainCamera.id;
RaiseMessage("Active camera set to " + babylonMainCamera.name, Color.Green, 1, true);
// Retreive camera node with same GUID
var maxCameraNodesAsTab = gameScene.GetIGameNodeByType(Autodesk.Max.IGameObject.ObjectTypes.Camera);
var maxCameraNodes = TabToList(maxCameraNodesAsTab);
var maxMainCameraNode = maxCameraNodes.Find(_camera => _camera.MaxNode.GetGuid().ToString() == babylonMainCamera.id);
maxMainCameraObject = (maxMainCameraNode.MaxNode.ObjectRef as ICameraObject);
}
if (babylonMainCamera == null)
{
RaiseWarning("No camera defined", 1);
}
else
{
RaiseMessage(string.Format("Total cameras: {0}", babylonScene.CamerasList.Count), Color.Gray, 1);
}
// Default light
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 lights: {0}", babylonScene.LightsList.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);
// 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;
RaiseMessage("Exporting fog");
if (fog != null)
{
babylonScene.fogColor = fog.GetColor(0).ToArray();
babylonScene.fogMode = 3;
}
if (babylonMainCamera != null)
{
babylonScene.fogStart = maxMainCameraObject.GetEnvRange(0, 0, Tools.Forever);
babylonScene.fogEnd = maxMainCameraObject.GetEnvRange(0, 1, Tools.Forever);
}
}
}
// Skeletons
if (skins.Count > 0)
{
RaiseMessage("Exporting skeletons");
foreach (var skin in skins)
{
ExportSkin(skin, babylonScene);
}
}
// Actions
babylonScene.actions = ExportNodeAction(gameScene.GetIGameNode(rawScene));
// Output
babylonScene.Prepare(false, false);
if (outputFormat == "babylon" || outputFormat == "binary babylon")
{
RaiseMessage("Saving to output file");
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}");
}
});
// Binary
if (outputFormat == "binary babylon")
{
RaiseMessage("Generating binary files");
BabylonFileConverter.BinaryConverter.Convert(outputFile, Path.GetDirectoryName(outputFile) + "\\Binary",
message => RaiseMessage(message, 1),
error => RaiseError(error, 1));
}
}
ReportProgressChanged(100);
// Export glTF
if (outputFormat == "gltf" || outputFormat == "glb")
{
bool generateBinary = outputFormat == "glb";
ExportGltf(babylonScene, outputFile, generateBinary);
}
watch.Stop();
RaiseMessage(string.Format("Exportation done in {0:0.00}s", watch.ElapsedMilliseconds / 1000.0), Color.Blue);
}
/// <summary>
///
/// </summary>
/// <param name="mDagPath">DAG path to the transform above camera</param>
/// <param name="babylonScene"></param>
/// <returns></returns>
private BabylonNode ExportCamera(MDagPath mDagPath, BabylonScene babylonScene)
{
RaiseMessage(mDagPath.partialPathName, 1);
// Transform above camera
MFnTransform mFnTransform = new MFnTransform(mDagPath);
// Camera direct child of the transform
MFnCamera mFnCamera = null;
for (uint i = 0; i < mFnTransform.childCount; i++)
{
MObject childObject = mFnTransform.child(i);
if (childObject.apiType == MFn.Type.kCamera)
{
var _mFnCamera = new MFnCamera(childObject);
if (!_mFnCamera.isIntermediateObject)
{
mFnCamera = _mFnCamera;
}
}
}
if (mFnCamera == null)
{
RaiseError("No camera found has child of " + mDagPath.fullPathName);
return(null);
}
// --- prints ---
#region prints
RaiseVerbose("BabylonExporter.Camera | mFnCamera data", 2);
RaiseVerbose("BabylonExporter.Camera | mFnCamera.eyePoint(MSpace.Space.kWorld).toString()=" + mFnCamera.eyePoint(MSpace.Space.kTransform).toString(), 3);
RaiseVerbose("BabylonExporter.Camera | mFnCamera.viewDirection(MSpace.Space.kWorld).toString()=" + mFnCamera.viewDirection(MSpace.Space.kTransform).toString(), 3);
RaiseVerbose("BabylonExporter.Camera | mFnCamera.upDirection(MSpace.Space.kWorld).toString()=" + mFnCamera.upDirection(MSpace.Space.kTransform).toString(), 3);
RaiseVerbose("BabylonExporter.Camera | mFnCamera.rightDirection(MSpace.Space.kWorld).toString()=" + mFnCamera.rightDirection(MSpace.Space.kTransform).toString(), 3);
RaiseVerbose("BabylonExporter.Camera | mFnCamera.centerOfInterestPoint(MSpace.Space.kWorld).toString()=" + mFnCamera.centerOfInterestPoint(MSpace.Space.kTransform).toString(), 3);
RaiseVerbose("BabylonExporter.Camera | mFnCamera.centerOfInterest=" + mFnCamera.centerOfInterest, 3);
RaiseVerbose("BabylonExporter.Camera | mFnCamera.aspectRatio=" + mFnCamera.aspectRatio, 3);
RaiseVerbose("BabylonExporter.Camera | mFnCamera.horizontalFieldOfView=" + mFnCamera.horizontalFieldOfView, 3);
RaiseVerbose("BabylonExporter.Camera | mFnCamera.verticalFieldOfView=" + mFnCamera.verticalFieldOfView, 3);
RaiseVerbose("BabylonExporter.Camera | mFnCamera.horizontalFieldOfView / mFnCamera.verticalFieldOfView=" + mFnCamera.horizontalFieldOfView / mFnCamera.verticalFieldOfView, 3);
RaiseVerbose("BabylonExporter.Camera | mFnCamera.focalLength=" + mFnCamera.focalLength, 3);
RaiseVerbose("BabylonExporter.Camera | mFnCamera.nearFocusDistance=" + mFnCamera.nearFocusDistance, 3);
RaiseVerbose("BabylonExporter.Camera | mFnCamera.nearClippingPlane=" + mFnCamera.nearClippingPlane, 3);
RaiseVerbose("BabylonExporter.Camera | mFnCamera.unnormalizedNearClippingPlane=" + mFnCamera.unnormalizedNearClippingPlane, 3);
RaiseVerbose("BabylonExporter.Camera | mFnCamera.farFocusDistance=" + mFnCamera.farFocusDistance, 3);
RaiseVerbose("BabylonExporter.Camera | mFnCamera.farClippingPlane=" + mFnCamera.farClippingPlane, 3);
RaiseVerbose("BabylonExporter.Camera | mFnCamera.unnormalizedFarClippingPlane=" + mFnCamera.unnormalizedFarClippingPlane, 3);
RaiseVerbose("BabylonExporter.Camera | mFnCamera.isClippingPlanes=" + mFnCamera.isClippingPlanes, 3);
RaiseVerbose("BabylonExporter.Camera | mFnCamera.isIntermediateObject=" + mFnCamera.isIntermediateObject, 3);
RaiseVerbose("BabylonExporter.Camera | mFnCamera.focusDistance=" + mFnCamera.focusDistance, 3);
RaiseVerbose("BabylonExporter.Camera | mFnCamera.isStereo=" + mFnCamera.isStereo, 3);
RaiseVerbose("BabylonExporter.Camera | mFnCamera.eyeOffset=" + mFnCamera.eyeOffset, 3);
RaiseVerbose("BabylonExporter.Camera | mFnCamera.shutterAngle=" + mFnCamera.shutterAngle, 3);
RaiseVerbose("BabylonExporter.Camera | mFnCamera.isDepthOfField=" + mFnCamera.isDepthOfField, 3);
RaiseVerbose("BabylonExporter.Camera | mFnCamera.renderPanZoom=" + mFnCamera.renderPanZoom, 3);
Print(mFnTransform, 2, "Print ExportCamera mFnTransform");
Print(mFnCamera, 2, "Print ExportCamera mFnCamera");
#endregion
if (IsCameraExportable(mFnCamera, mDagPath) == false)
{
return(null);
}
var babylonCamera = new BabylonCamera {
name = mFnTransform.name, id = mFnTransform.uuid().asString()
};
// Hierarchy
ExportHierarchy(babylonCamera, mFnTransform);
// Position / rotation
RaiseVerbose("BabylonExporter.Camera | ExportTransform", 2);
float[] position = null;
float[] rotationQuaternion = null;
float[] rotation = null;
float[] scaling = null;
GetTransform(mFnTransform, ref position, ref rotationQuaternion, ref rotation, ref scaling);
babylonCamera.position = position;
if (_exportQuaternionsInsteadOfEulers)
{
babylonCamera.rotationQuaternion = rotationQuaternion;
}
babylonCamera.rotation = rotation;
// Field of view of babylon is the vertical one
babylonCamera.fov = (float)mFnCamera.verticalFieldOfView;
// Clipping planes
babylonCamera.minZ = (float)mFnCamera.nearClippingPlane;
babylonCamera.maxZ = (float)mFnCamera.farClippingPlane;
// Constraints on near clipping plane
if (babylonCamera.minZ == 0.0f)
{
babylonCamera.minZ = 0.1f;
}
// TODO - Retreive from Maya
//// Type
//babylonCamera.type = cameraNode.MaxNode.GetStringProperty("babylonjs_type", "FreeCamera");
//// Control
//babylonCamera.speed = cameraNode.MaxNode.GetFloatProperty("babylonjs_speed", 1.0f);
//babylonCamera.inertia = cameraNode.MaxNode.GetFloatProperty("babylonjs_inertia", 0.9f);
//// Collisions
//babylonCamera.checkCollisions = cameraNode.MaxNode.GetBoolProperty("babylonjs_checkcollisions");
//babylonCamera.applyGravity = cameraNode.MaxNode.GetBoolProperty("babylonjs_applygravity");
//babylonCamera.ellipsoid = cameraNode.MaxNode.GetVector3Property("babylonjs_ellipsoid");
// Target
MFnTransform target = null;
MObject cameraGroupObject = mFnCamera.findPlug("centerOfInterest").source.node;
if (cameraGroupObject.apiType == MFn.Type.kLookAt)
{
MFnDependencyNode cameraGroup = new MFnDependencyNode(cameraGroupObject);
// Retreive the camera aim transform
MPlugArray connections = new MPlugArray();
cameraGroup.getConnections(connections);
foreach (MPlug connection in connections)
{
if (connection.name.EndsWith("targetParentMatrix")) // ugly
{
MObject connectionSourceObject = connection.source.node;
target = new MFnTransform(connectionSourceObject);
break;
}
}
}
if (target != null)
{
babylonCamera.lockedTargetId = target.uuid().asString();
}
//// TODO - Check if should be local or world
//var vDir = new MVector(0, 0, -1);
//var transformationMatrix = new MTransformationMatrix(mFnTransform.transformationMatrix);
//vDir *= transformationMatrix.asMatrix(1);
//vDir = vDir.Add(position);
//babylonCamera.target = new[] { vDir.X, vDir.Y, vDir.Z };
// Animations
if (target == null)
{
ExportNodeAnimation(babylonCamera, mFnTransform);
}
else
{
ExportNodeAnimationFrameByFrame(babylonCamera, mFnTransform);
}
babylonScene.CamerasList.Add(babylonCamera);
RaiseMessage("BabylonExporter.Camera | done", 2);
return(babylonCamera);
}
private GLTFCamera ExportCamera(ref GLTFNode gltfNode, BabylonCamera babylonCamera, GLTF gltf, GLTFNode gltfParentNode)
{
logger.RaiseMessage("GLTFExporter.Camera | Export camera named: " + babylonCamera.name, 2);
// --- prints ---
#region prints
logger.RaiseVerbose("GLTFExporter.Camera | babylonCamera data", 3);
logger.RaiseVerbose("GLTFExporter.Camera | babylonCamera.type=" + babylonCamera.type, 4);
logger.RaiseVerbose("GLTFExporter.Camera | babylonCamera.fov=" + babylonCamera.fov, 4);
logger.RaiseVerbose("GLTFExporter.Camera | babylonCamera.maxZ=" + babylonCamera.maxZ, 4);
logger.RaiseVerbose("GLTFExporter.Camera | babylonCamera.minZ=" + babylonCamera.minZ, 4);
#endregion
// --------------------------
// ------- gltfCamera -------
// --------------------------
logger.RaiseMessage("GLTFExporter.Camera | create gltfCamera", 3);
// Camera
var gltfCamera = new GLTFCamera {
name = babylonCamera.name
};
gltfCamera.index = gltf.CamerasList.Count;
gltf.CamerasList.Add(gltfCamera);
gltfNode.camera = gltfCamera.index;
gltfCamera.gltfNode = gltfNode;
// Camera type
switch (babylonCamera.mode)
{
case (BabylonCamera.CameraMode.ORTHOGRAPHIC_CAMERA):
var gltfCameraOrthographic = new GLTFCameraOrthographic();
gltfCameraOrthographic.xmag = 1; // Do not bother about it - still mandatory
gltfCameraOrthographic.ymag = 1; // Do not bother about it - still mandatory
gltfCameraOrthographic.zfar = babylonCamera.maxZ;
gltfCameraOrthographic.znear = babylonCamera.minZ;
gltfCamera.type = GLTFCamera.CameraType.orthographic.ToString();
gltfCamera.orthographic = gltfCameraOrthographic;
break;
case (BabylonCamera.CameraMode.PERSPECTIVE_CAMERA):
var gltfCameraPerspective = new GLTFCameraPerspective();
gltfCameraPerspective.aspectRatio = null; // Do not bother about it - use default glTF value
gltfCameraPerspective.yfov = babylonCamera.fov; // Babylon camera fov mode is assumed to be vertical (FOVMODE_VERTICAL_FIXED)
gltfCameraPerspective.zfar = babylonCamera.maxZ;
gltfCameraPerspective.znear = babylonCamera.minZ;
gltfCamera.type = GLTFCamera.CameraType.perspective.ToString();
gltfCamera.perspective = gltfCameraPerspective;
break;
default:
logger.RaiseError("GLTFExporter.Camera | camera mode not found");
break;
}
ExportGLTFExtension(babylonCamera, ref gltfCamera, gltf);
return(gltfCamera);
}
private BabylonCamera ExportCamera(IIGameScene scene, IIGameNode cameraNode, BabylonScene babylonScene)
{
if (IsCameraExportable(cameraNode) == false)
{
return(null);
}
var gameCamera = cameraNode.IGameObject.AsGameCamera();
var maxCamera = gameCamera.MaxObject as ICameraObject;
var initialized = gameCamera.InitializeData;
var babylonCamera = new BabylonCamera();
RaiseMessage(cameraNode.Name, 1);
babylonCamera.name = cameraNode.Name;
babylonCamera.id = cameraNode.MaxNode.GetGuid().ToString();
if (cameraNode.NodeParent != null)
{
babylonCamera.parentId = cameraNode.NodeParent.MaxNode.GetGuid().ToString();
}
// Export the custom attributes of this camera
babylonCamera.metadata = ExportExtraAttributes(cameraNode, babylonScene);
babylonCamera.fov = Tools.ConvertFov(maxCamera.GetFOV(0, Tools.Forever));
if (maxCamera.ManualClip == 1)
{
babylonCamera.minZ = maxCamera.GetClipDist(0, 1, Tools.Forever);
babylonCamera.maxZ = maxCamera.GetClipDist(0, 2, Tools.Forever);
}
else
{
babylonCamera.minZ = 0.1f;
babylonCamera.maxZ = 10000.0f;
}
if (babylonCamera.minZ == 0.0f)
{
babylonCamera.minZ = 0.1f;
}
// Type
babylonCamera.type = cameraNode.MaxNode.GetStringProperty("babylonjs_type", "FreeCamera");
// Control
babylonCamera.speed = cameraNode.MaxNode.GetFloatProperty("babylonjs_speed", 1.0f);
babylonCamera.inertia = cameraNode.MaxNode.GetFloatProperty("babylonjs_inertia", 0.9f);
// Collisions
babylonCamera.checkCollisions = cameraNode.MaxNode.GetBoolProperty("babylonjs_checkcollisions");
babylonCamera.applyGravity = cameraNode.MaxNode.GetBoolProperty("babylonjs_applygravity");
babylonCamera.ellipsoid = cameraNode.MaxNode.GetVector3Property("babylonjs_ellipsoid");
// Position / rotation
exportTransform(babylonCamera, cameraNode);
// Target
var target = gameCamera.CameraTarget;
if (target != null)
{
babylonCamera.lockedTargetId = target.MaxNode.GetGuid().ToString();
}
// Animations
var animations = new List <BabylonAnimation>();
GeneratePositionAnimation(cameraNode, animations);
if (target == null)
{
// Export rotation animation
GenerateRotationAnimation(cameraNode, animations);
}
else
{
// Animation temporary stored for gltf but not exported for babylon
// TODO - Will cause an issue when externalizing the glTF export process
var extraAnimations = new List <BabylonAnimation>();
// Do not check if node rotation properties are animated
GenerateRotationAnimation(cameraNode, extraAnimations, true);
babylonCamera.extraAnimations = extraAnimations;
}
ExportFloatAnimation("fov", animations, key => new[] { Tools.ConvertFov((gameCamera.MaxObject as ICameraObject).GetFOV(key, Tools.Forever)) });
babylonCamera.animations = animations.ToArray();
if (cameraNode.MaxNode.GetBoolProperty("babylonjs_autoanimate"))
{
babylonCamera.autoAnimate = true;
babylonCamera.autoAnimateFrom = (int)cameraNode.MaxNode.GetFloatProperty("babylonjs_autoanimate_from");
babylonCamera.autoAnimateTo = (int)cameraNode.MaxNode.GetFloatProperty("babylonjs_autoanimate_to");
babylonCamera.autoAnimateLoop = cameraNode.MaxNode.GetBoolProperty("babylonjs_autoanimateloop");
}
babylonScene.CamerasList.Add(babylonCamera);
return(babylonCamera);
}
private void ExportCamera(IIGameScene scene, IIGameNode cameraNode, BabylonScene babylonScene)
{
if (cameraNode.MaxNode.GetBoolProperty("babylonjs_noexport"))
{
return;
}
var gameCamera = cameraNode.IGameObject.AsGameCamera();
var maxCamera = gameCamera.MaxObject as ICameraObject;
var initialized = gameCamera.InitializeData;
var babylonCamera = new BabylonCamera();
RaiseMessage(cameraNode.Name, 1);
babylonCamera.name = cameraNode.Name;
babylonCamera.id = cameraNode.MaxNode.GetGuid().ToString();
if (cameraNode.NodeParent != null)
{
babylonCamera.parentId = GetParentID(cameraNode.NodeParent, babylonScene, scene);
}
babylonCamera.fov = Tools.ConvertFov(maxCamera.GetFOV(0, Tools.Forever));
if (maxCamera.ManualClip == 1)
{
babylonCamera.minZ = maxCamera.GetClipDist(0, 1, Tools.Forever);
babylonCamera.maxZ = maxCamera.GetClipDist(0, 2, Tools.Forever);
}
else
{
babylonCamera.minZ = 0.1f;
babylonCamera.maxZ = 10000.0f;
}
if (babylonCamera.minZ == 0.0f)
{
babylonCamera.minZ = 0.1f;
}
// Type
babylonCamera.type = cameraNode.MaxNode.GetStringProperty("babylonjs_type", "FreeCamera");
// Control
babylonCamera.speed = cameraNode.MaxNode.GetFloatProperty("babylonjs_speed", 1.0f);
babylonCamera.inertia = cameraNode.MaxNode.GetFloatProperty("babylonjs_inertia", 0.9f);
// Collisions
babylonCamera.checkCollisions = cameraNode.MaxNode.GetBoolProperty("babylonjs_checkcollisions");
babylonCamera.applyGravity = cameraNode.MaxNode.GetBoolProperty("babylonjs_applygravity");
babylonCamera.ellipsoid = cameraNode.MaxNode.GetVector3Property("babylonjs_ellipsoid");
// Position / rotation
var localTM = cameraNode.GetObjectTM(0);
if (cameraNode.NodeParent != null)
{
var parentWorld = cameraNode.NodeParent.GetObjectTM(0);
localTM.MultiplyBy(parentWorld.Inverse);
}
var position = localTM.Translation;
var rotation = localTM.Rotation;
var exportQuaternions = Loader.Core.RootNode.GetBoolProperty("babylonjs_exportquaternions");
babylonCamera.position = new[] { position.X, position.Y, position.Z };
if (exportQuaternions)
{
babylonCamera.rotationQuaternion = new[] { rotation.X, rotation.Y, rotation.Z, -rotation.W };
}
else
{
babylonCamera.rotation = QuaternionToEulerAngles(rotation);
}
// Target
var target = gameCamera.CameraTarget;
if (target != null)
{
babylonCamera.lockedTargetId = target.MaxNode.GetGuid().ToString();
}
else
{
var dir = localTM.GetRow(3);
babylonCamera.target = new [] { position.X - dir.X, position.Y - dir.Y, position.Z - dir.Z };
}
// Animations
var animations = new List <BabylonAnimation>();
ExportVector3Animation("position", animations, key =>
{
var tm = cameraNode.GetLocalTM(key);
if (cameraNode.NodeParent != null)
{
var parentWorld = cameraNode.NodeParent.GetObjectTM(key);
tm.MultiplyBy(parentWorld.Inverse);
}
var translation = tm.Translation;
return(new [] { translation.X, translation.Y, translation.Z });
});
if (gameCamera.CameraTarget == null)
{
ExportVector3Animation("target", animations, key =>
{
var tm = cameraNode.GetLocalTM(key);
if (cameraNode.NodeParent != null)
{
var parentWorld = cameraNode.NodeParent.GetObjectTM(key);
tm.MultiplyBy(parentWorld.Inverse);
}
var translation = tm.Translation;
var dir = tm.GetRow(3);
return(new float[] { translation.X - dir.X, translation.Y - dir.Y, translation.Z - dir.Z });
});
}
ExportFloatAnimation("fov", animations, key => new[] { Tools.ConvertFov((gameCamera.MaxObject as ICameraObject).GetFOV(key, Tools.Forever)) });
babylonCamera.animations = animations.ToArray();
if (cameraNode.MaxNode.GetBoolProperty("babylonjs_autoanimate"))
{
babylonCamera.autoAnimate = true;
babylonCamera.autoAnimateFrom = (int)cameraNode.MaxNode.GetFloatProperty("babylonjs_autoanimate_from");
babylonCamera.autoAnimateTo = (int)cameraNode.MaxNode.GetFloatProperty("babylonjs_autoanimate_to");
babylonCamera.autoAnimateLoop = cameraNode.MaxNode.GetBoolProperty("babylonjs_autoanimateloop");
}
babylonScene.CamerasList.Add(babylonCamera);
}
// TODO - Test if ok with a gltf viewer working with custom camera (babylon loader/sandbox doesn't load them)
private GLTFCamera ExportCamera(BabylonCamera babylonCamera, GLTF gltf, GLTFNode gltfParentNode)
{
RaiseMessage("GLTFExporter.Camera | Export camera named: " + babylonCamera.name, 1);
// --------------------------
// ---------- Node ----------
// --------------------------
RaiseMessage("GLTFExporter.Camera | Node", 2);
// Node
var gltfNode = new GLTFNode();
gltfNode.name = babylonCamera.name;
gltfNode.index = gltf.NodesList.Count;
gltf.NodesList.Add(gltfNode);
// Hierarchy
if (gltfParentNode != null)
{
RaiseMessage("GLTFExporter.Camera | Add " + babylonCamera.name + " as child to " + gltfParentNode.name, 3);
gltfParentNode.ChildrenList.Add(gltfNode.index);
}
else
{
// It's a root node
// Only root nodes are listed in a gltf scene
RaiseMessage("GLTFExporter.Camera | Add " + babylonCamera.name + " as root node to scene", 3);
gltf.scenes[0].NodesList.Add(gltfNode.index);
}
// Transform
gltfNode.translation = babylonCamera.position;
// Switch from left to right handed coordinate system
//gltfNode.translation[0] *= -1;
if (babylonCamera.rotationQuaternion != null)
{
gltfNode.rotation = babylonCamera.rotationQuaternion;
}
else
{
// Convert rotation vector to quaternion
BabylonVector3 rotationVector3 = new BabylonVector3
{
X = babylonCamera.rotation[0],
Y = babylonCamera.rotation[1],
Z = babylonCamera.rotation[2]
};
gltfNode.rotation = rotationVector3.toQuaternionGltf().ToArray();
}
// No scaling defined for babylon camera. Use identity instead.
gltfNode.scale = new float[3] {
1, 1, 1
};
// --- prints ---
RaiseMessage("GLTFExporter.Camera | babylonCamera data", 2);
RaiseMessage("GLTFExporter.Camera | babylonCamera.type=" + babylonCamera.type, 3);
RaiseMessage("GLTFExporter.Camera | babylonCamera.fov=" + babylonCamera.fov, 3);
RaiseMessage("GLTFExporter.Camera | babylonCamera.maxZ=" + babylonCamera.maxZ, 3);
RaiseMessage("GLTFExporter.Camera | babylonCamera.minZ=" + babylonCamera.minZ, 3);
// --------------------------
// ------- gltfCamera -------
// --------------------------
RaiseMessage("GLTFExporter.Camera | create gltfCamera", 2);
// Camera
var gltfCamera = new GLTFCamera {
name = babylonCamera.name
};
gltfCamera.index = gltf.CamerasList.Count;
gltf.CamerasList.Add(gltfCamera);
gltfNode.camera = gltfCamera.index;
gltfCamera.gltfNode = gltfNode;
// Camera type
switch (babylonCamera.mode)
{
case (BabylonCamera.CameraMode.ORTHOGRAPHIC_CAMERA):
var gltfCameraOrthographic = new GLTFCameraOrthographic();
gltfCameraOrthographic.xmag = 1; // TODO - How to retreive value from babylon? xmag:The floating-point horizontal magnification of the view
gltfCameraOrthographic.ymag = 1; // TODO - How to retreive value from babylon? ymag:The floating-point vertical magnification of the view
gltfCameraOrthographic.zfar = babylonCamera.maxZ;
gltfCameraOrthographic.znear = babylonCamera.minZ;
gltfCamera.type = GLTFCamera.CameraType.orthographic.ToString();
gltfCamera.orthographic = gltfCameraOrthographic;
break;
case (BabylonCamera.CameraMode.PERSPECTIVE_CAMERA):
var gltfCameraPerspective = new GLTFCameraPerspective();
gltfCameraPerspective.aspectRatio = null; // 0.8f; // TODO - How to retreive value from babylon? The aspect ratio in babylon is computed based on the engine rather than set on a camera (aspectRatio = _gl.drawingBufferWidth / _gl.drawingBufferHeight)
gltfCameraPerspective.yfov = babylonCamera.fov; // WARNING - Babylon camera fov mode is assumed to be vertical (FOVMODE_VERTICAL_FIXED)
gltfCameraPerspective.zfar = babylonCamera.maxZ;
gltfCameraPerspective.znear = babylonCamera.minZ;
gltfCamera.type = GLTFCamera.CameraType.perspective.ToString();
gltfCamera.perspective = gltfCameraPerspective;
break;
default:
RaiseError("GLTFExporter.Camera | camera mode not found");
break;
}
return(gltfCamera);
}
