public void Dispose()
{
if (m_exporter != null)
{
m_exporter.Destroy(); m_exporter = null;
}
if (m_ioSettings != null)
{
m_ioSettings.Destroy(); m_ioSettings = null;
}
if (m_manager != null)
{
m_manager.Destroy(); m_manager = null;
}
}
public (GameObject, List <string> warnings, ImportMaterialCollector) Import()
{
FbxManager fbxManager = FbxManager.Create();
FbxIOSettings ioSettings = FbxIOSettings.Create(fbxManager, Globals.IOSROOT);
fbxManager.SetIOSettings(ioSettings);
FbxImporter fbxImporter = FbxImporter.Create(fbxManager, "");
if (!fbxImporter.Initialize(m_path, -1, ioSettings))
{
warnings.Add("Failed to initialize FBX importer");
return(null, warnings, null);
}
FbxScene scene = FbxScene.Create(fbxManager, "scene");
fbxImporter.Import(scene);
FbxNode root = scene.GetRootNode();
SetPivots(root);
root.ConvertPivotAnimationRecursive(null, FbxNode.EPivotSet.eDestinationPivot, 30);
long totalVerts = GetTotalVerts(root);
long completedVerts = 0;
float fbxUnitToTiltUnit; {
var unit = scene.GetGlobalSettings().GetSystemUnit();
if (Path.GetExtension(m_path).ToLower() == ".obj")
{
// Obj doesn't specify units. We'd rather assume m, but fbx assumes cm.
unit = FbxSystemUnit.m;
}
fbxUnitToTiltUnit = (float)unit.GetConversionFactorTo(FbxSystemUnit.m)
* App.METERS_TO_UNITS;
}
GameObject go = ImportNodes(
root, fbxUnitToTiltUnit, ref completedVerts, totalVerts);
Debug.Assert(completedVerts == totalVerts);
fbxImporter.Destroy();
ioSettings.Destroy();
fbxManager.Destroy();
return(go, warnings.Distinct().ToList(), m_collector);
}
//static bool ContainsMeshesRecursive( Node node )
//{
// if( node.HasMeshes )
// return true;
// foreach( var child in node.Children )
// {
// if( ContainsMeshesRecursive( child ) )
// return true;
// }
// return false;
//}
public static void DoImport(Settings settings, out string error)
{
error = "(NO ERROR MESSAGE)";
LoadNativeLibrary();
FbxManager manager = null;
FbxIOSettings setting = null;
FbxImporter importer = null;
FbxScene scene = null;
try
{
manager = FbxManager.Create();
setting = FbxIOSettings.Create(manager, "IOSRoot");
manager.SetIOSettings(setting);
importer = FbxImporter.Create(manager, "");
var realFileName = VirtualPathUtility.GetRealPathByVirtual(settings.virtualFileName);
//VirtualFileStream stream = null;
//ToDo : FromStream
bool status;
if (!string.IsNullOrEmpty(realFileName) && File.Exists(realFileName))
{
status = importer.Initialize(realFileName, -1, setting);
}
else
{
error = "File is not exists.";
return;
//throw new NotImplementedException();
//ToDo : ....
//stream = VirtualFile.Open( settings.virtualFileName );
//FbxStream fbxStream = null;
//SWIGTYPE_p_void streamData = null;
//status = impoter.Initialize( fbxStream, streamData, -1, setting );
}
if (!status)
{
return;
}
scene = FbxScene.Create(manager, "scene1");
status = importer.Import(scene);
if (!status)
{
return;
}
error = "";
var importContext = new ImportContext();
importContext.manager = manager;
importContext.scene = scene;
importContext.settings = settings;
importContext.directoryName = Path.GetDirectoryName(settings.virtualFileName);
ImportScene(importContext);
////create meshes (Scene mode)
//if( settings.component.Mode.Value == Component_Import3D.ModeEnum.Scene /*&& scene.HasMeshes && scene.MeshCount != 0 */)
//{
// importContext.meshesGroup = settings.component.GetComponentByName( "Meshes" ) as Component_Mesh;
// if( importContext.meshesGroup == null )
// {
// importContext.meshesGroup = settings.component.CreateComponent<Component>( -1, false );
// importContext.meshesGroup.Name = "Meshes";
// }
// else
// importContext.meshesGroup.Enabled = false;
//}
////enable groups
//if( importContext.meshesGroup != null )
// importContext.meshesGroup.Enabled = true;
//if( importContext.sceneObjectsGroup != null )
// importContext.sceneObjectsGroup.Enabled = true;
//stream?.Dispose();
}
finally
{
//Особенности удаления.
//Создается через функцию: impoter = FbxImporter.Create(manager, "");
//В таких случаях(создание не через конструктор, а возврат указателя из функции) SWIG задает флажок что объект не владеет ссылкой, поэтому Dispose ничего не делает.
//Хотя в SWIG можно задать в конфигурации: %newobject FbxImporter::Create; Тогда объект будет владеть ссылкой. Но все равно в С++ наследники FbxObject не имеют public destructor
//поэтому в Dispose вставлен: throw new MethodAccessException("C++ destructor does not have public access"). Поэтому удалять только через Destroy.
try { scene?.Destroy(); } catch { }
try { importer?.Destroy(); } catch { }
try { setting?.Destroy(); } catch { }
try { manager?.Destroy(); } catch { }
}
}
public static bool ExportToFBX(Component_Mesh sourceMesh, string realFileName, out string error)
{
//!!!!как для Vegetation. оверрайдить в Component_Mesh?
//get mesh data
var operations = new List <Component_RenderingPipeline.RenderSceneData.MeshDataRenderOperation>();
foreach (var geometry in sourceMesh.GetComponents <Component_MeshGeometry>())
{
if (geometry.Enabled)
{
geometry.CompileDataOfThisObject(out var operation);
if (operation != null)
{
operations.Add(operation);
}
}
}
//foreach( var geometry in mesh.Result.MeshData.RenderOperations )
//{
//}
FbxManager manager = null;
FbxIOSettings setting = null;
FbxExporter exporter = null;
FbxScene scene = null;
try
{
//init FBX manager
manager = FbxManager.Create();
setting = FbxIOSettings.Create(manager, "IOSRoot");
manager.SetIOSettings(setting);
scene = FbxScene.Create(manager, "scene");
scene.GetGlobalSettings().SetAxisSystem(new FbxAxisSystem(FbxAxisSystem.EPreDefinedAxisSystem.eMax));
scene.GetGlobalSettings().SetSystemUnit(new FbxSystemUnit(100));
//init FBX scene
for (int nOper = 0; nOper < operations.Count; nOper++)
{
var oper = operations[nOper];
//get data
Vector3F[] positions = null;
Vector3F[] normals = null;
var texCoords = new List <Vector2F[]>();
ColorValue[] colors = null;
Vector3F[] tangents = null;
Vector3F[] binormals = null;
//Position
{
if (oper.VertexStructure.GetElementBySemantic(VertexElementSemantic.Position, out VertexElement element) && element.Type == VertexElementType.Float3)
{
var buffer = oper.VertexBuffers[element.Source];
positions = buffer.ExtractChannel <Vector3F>(element.Offset);
}
}
//Normal
{
if (oper.VertexStructure.GetElementBySemantic(VertexElementSemantic.Normal, out VertexElement element) && element.Type == VertexElementType.Float3)
{
var buffer = oper.VertexBuffers[element.Source];
normals = buffer.ExtractChannel <Vector3F>(element.Offset);
}
}
//TexCoord
for (var channel = VertexElementSemantic.TextureCoordinate0; channel <= VertexElementSemantic.TextureCoordinate3; channel++)
{
if (oper.VertexStructure.GetElementBySemantic(channel, out VertexElement element) && element.Type == VertexElementType.Float2)
{
var buffer = oper.VertexBuffers[element.Source];
texCoords.Add(buffer.ExtractChannel <Vector2F>(element.Offset));
}
}
//Color
{
if (oper.VertexStructure.GetElementBySemantic(VertexElementSemantic.Color0, out VertexElement element))
{
if (element.Type == VertexElementType.Float4)
{
var buffer = oper.VertexBuffers[element.Source];
var values = buffer.ExtractChannel <Vector4F>(element.Offset);
colors = new ColorValue[positions.Length];
int destIndex = 0;
foreach (var p in values)
{
colors[destIndex++] = p.ToColorValue();
}
}
else if (element.Type == VertexElementType.ColorABGR)
{
//!!!!check
var buffer = oper.VertexBuffers[element.Source];
var values = buffer.ExtractChannel <uint>(element.Offset);
colors = new ColorValue[positions.Length];
int destIndex = 0;
foreach (var p in values)
{
colors[destIndex++] = new ColorValue(ColorByte.FromABGR(p));
}
}
else if (element.Type == VertexElementType.ColorARGB)
{
//!!!!check
var buffer = oper.VertexBuffers[element.Source];
var values = buffer.ExtractChannel <uint>(element.Offset);
colors = new ColorValue[positions.Length];
int destIndex = 0;
foreach (var p in values)
{
colors[destIndex++] = new ColorValue(ColorByte.FromARGB(p));
}
}
}
}
//Tangent, Binormal
if (normals != null)
{
if (oper.VertexStructure.GetElementBySemantic(VertexElementSemantic.Tangent, out VertexElement element) && element.Type == VertexElementType.Float4)
{
var buffer = oper.VertexBuffers[element.Source];
var tangents4 = buffer.ExtractChannel <Vector4F>(element.Offset);
tangents = new Vector3F[tangents4.Length];
binormals = new Vector3F[tangents4.Length];
int destIndex = 0;
foreach (var p in tangents4)
{
tangents[destIndex] = p.ToVector3F();
binormals[destIndex] = Vector3F.Cross(p.ToVector3F(), normals[destIndex]) * p.W;
destIndex++;
}
}
}
//indices
int[] indices = null;
if (oper.IndexBuffer != null)
{
indices = oper.IndexBuffer.Indices;
}
//create geometry
var geometryName = "Geometry " + nOper.ToString();
var mesh = FbxMesh.Create(scene, geometryName);
mesh.InitControlPoints(positions.Length);
FbxLayerElementNormal elementNormals = null;
if (normals != null)
{
elementNormals = mesh.CreateElementNormal();
elementNormals.SetMappingMode(FbxLayerElement.EMappingMode.eByControlPoint);
elementNormals.SetReferenceMode(FbxLayerElement.EReferenceMode.eDirect);
}
FbxLayerElementVertexColor elementColors = null;
if (colors != null)
{
elementColors = mesh.CreateElementVertexColor();
elementColors.SetMappingMode(FbxLayerElement.EMappingMode.eByControlPoint);
elementColors.SetReferenceMode(FbxLayerElement.EReferenceMode.eDirect);
}
FbxLayerElementTangent elementTangents = null;
if (tangents != null)
{
elementTangents = mesh.CreateElementTangent();
elementTangents.SetMappingMode(FbxLayerElement.EMappingMode.eByControlPoint);
elementTangents.SetReferenceMode(FbxLayerElement.EReferenceMode.eDirect);
}
FbxLayerElementBinormal elementBinormals = null;
if (binormals != null)
{
elementBinormals = mesh.CreateElementBinormal();
elementBinormals.SetMappingMode(FbxLayerElement.EMappingMode.eByControlPoint);
elementBinormals.SetReferenceMode(FbxLayerElement.EReferenceMode.eDirect);
}
var uvElements = new List <FbxLayerElementUV>();
for (int uvIndex = 0; uvIndex < texCoords.Count; uvIndex++)
{
var pUVElement = mesh.CreateElementUV("texcoord" + uvIndex.ToString());
pUVElement.SetMappingMode(FbxLayerElement.EMappingMode.eByControlPoint);
pUVElement.SetReferenceMode(FbxLayerElement.EReferenceMode.eDirect);
uvElements.Add(pUVElement);
}
for (int n = 0; n < positions.Length; n++)
{
mesh.SetControlPointAt(ToFbxVector4(positions[n]), n);
if (normals != null)
{
elementNormals.GetDirectArray().Add(ToFbxVector4(normals[n]));
}
for (int uvIndex = 0; uvIndex < texCoords.Count; uvIndex++)
{
var texCoord = texCoords[uvIndex][n];
texCoord.Y = 1.0f - texCoord.Y;
uvElements[uvIndex].GetDirectArray().Add(ToFbxVector2(texCoord));
}
if (colors != null)
{
elementColors.GetDirectArray().Add(ToFbxColor(colors[n]));
}
if (tangents != null)
{
elementTangents.GetDirectArray().Add(ToFbxVector4(tangents[n]));
}
if (binormals != null)
{
elementBinormals.GetDirectArray().Add(ToFbxVector4(binormals[n]));
}
}
if (normals != null)
{
mesh.GetLayer(0).SetNormals(elementNormals);
}
if (colors != null)
{
mesh.GetLayer(0).SetVertexColors(elementColors);
}
if (tangents != null)
{
mesh.GetLayer(0).SetTangents(elementTangents);
}
if (binormals != null)
{
mesh.GetLayer(0).SetBinormals(elementBinormals);
}
int polygonCount = indices.Length / 3;
for (int i = 0; i < polygonCount; i++)
{
mesh.BeginPolygon(-1, -1, -1, false);
for (int j = 0; j < 3; j++)
{
int currentIndex = i * 3 + j;
int vertexIndex = indices[currentIndex];
mesh.AddPolygon(vertexIndex);
}
mesh.EndPolygon();
}
var node = FbxNode.Create(scene, geometryName);
node.SetNodeAttribute(mesh);
scene.GetRootNode().AddChild(mesh.GetNode());
}
//save
exporter = FbxExporter.Create(manager, "");
if (!exporter.Initialize(realFileName, -1, manager.GetIOSettings()))
{
error = "Can't initialize FBX exporter.";
return(false);
}
if (!exporter.Export(scene))
{
error = "Export to FBX failed.";
return(false);
}
}
finally
{
try { scene?.Destroy(); } catch { }
try { exporter?.Destroy(); } catch { }
try { setting?.Destroy(); } catch { }
try { manager?.Destroy(); } catch { }
}
foreach (var op in operations)
{
op.DisposeBuffers();
}
error = "";
return(true);
}
static bool LoadFBX(ImportContext context, string virtualFileName, out List <MeshData> geometries)
{
geometries = null;
var settings = context.settings;
ImportFBX.LoadNativeLibrary();
FbxManager manager = null;
FbxIOSettings setting = null;
FbxImporter importer = null;
FbxScene scene = null;
try
{
manager = FbxManager.Create();
setting = FbxIOSettings.Create(manager, "IOSRoot");
manager.SetIOSettings(setting);
importer = FbxImporter.Create(manager, "");
var realFileName = VirtualPathUtility.GetRealPathByVirtual(virtualFileName);
//VirtualFileStream stream = null;
//ToDo : FromStream
bool status;
if (!string.IsNullOrEmpty(realFileName) && File.Exists(realFileName))
{
status = importer.Initialize(realFileName, -1, setting);
}
else
{
return(false);
//throw new NotImplementedException();
//ToDo : ....
//stream = VirtualFile.Open( settings.virtualFileName );
//FbxStream fbxStream = null;
//SWIGTYPE_p_void streamData = null;
//status = impoter.Initialize( fbxStream, streamData, -1, setting );
}
if (!status)
{
return(false);
}
scene = FbxScene.Create(manager, "scene1");
status = importer.Import(scene);
if (!status)
{
return(false);
}
//convert axis
if (context.settings.component.ForceFrontXAxis)
{
//Через такой конструктор не получится создать такие же оси как EPreDefinedAxisSystem.eMax - Front Axis имеет обратное направление, а направление задать нельзя.
//new FbxAxisSystem( FbxAxisSystem.EUpVector.eZAxis, FbxAxisSystem.EFrontVector.eParityOdd, FbxAxisSystem.ECoordSystem.eRightHanded );
//FromFBX Docs:
//The enum values ParityEven and ParityOdd denote the first one and the second one of the remain two axes in addition to the up axis.
//For example if the up axis is X, the remain two axes will be Y And Z, so the ParityEven is Y, and the ParityOdd is Z ;
//We desire to convert the scene from Y-Up to Z-Up. Using the predefined axis system: Max (UpVector = +Z, FrontVector = -Y, CoordSystem = +X (RightHanded))
var maxAxisSystem = new FbxAxisSystem(FbxAxisSystem.EPreDefinedAxisSystem.eMax);
if (!scene.GetGlobalSettings().GetAxisSystem().eq(maxAxisSystem))
{
maxAxisSystem.ConvertScene(scene); //No conversion will take place if the scene current axis system is equal to the new one. So condition can be removed.
}
}
//convert units
if (!scene.GetGlobalSettings().GetSystemUnit().eq(FbxSystemUnit.m))
{
FbxSystemUnit.m.ConvertScene(scene);
}
var additionalTransform = new Matrix4(settings.component.Rotation.Value.ToMatrix3() * Matrix3.FromScale(settings.component.Scale), settings.component.Position);
var options = new ImportOptions
{
NormalsOptions = NormalsAndTangentsLoadOptions.FromFileIfPresentOrCalculate,
TangentsOptions = NormalsAndTangentsLoadOptions.FromFileIfPresentOrCalculate,
ImportPostProcessFlags = ImportPostProcessFlags.FixInfacingNormals
};
options.ImportPostProcessFlags |= ImportPostProcessFlags.SmoothNormals | ImportPostProcessFlags.SmoothTangents;
if (context.settings.component.FlipUVs)
{
options.ImportPostProcessFlags |= ImportPostProcessFlags.FlipUVs;
}
//if( importContext.settings.component.MergeMeshGeometries )
// options.ImportPostProcessFlags |= ImportPostProcessFlags.MergeGeometriesByMaterials;
var sceneLoader = new SceneLoader();
sceneLoader.Load(scene, manager, options, additionalTransform);
geometries = sceneLoader.Geometries;
//foreach( var geometry in sceneLoader.Geometries )
// ImportGeometry( context, destinationMesh, geometry );
////check is it a billboard
//MeshGetIsBillboard( context, destinationMesh );
//stream?.Dispose();
}
finally
{
//Особенности удаления.
//Создается через функцию: impoter = FbxImporter.Create(manager, "");
//В таких случаях(создание не через конструктор, а возврат указателя из функции) SWIG задает флажок что объект не владеет ссылкой, поэтому Dispose ничего не делает.
//Хотя в SWIG можно задать в конфигурации: %newobject FbxImporter::Create; Тогда объект будет владеть ссылкой. Но все равно в С++ наследники FbxObject не имеют public destructor
//поэтому в Dispose вставлен: throw new MethodAccessException("C++ destructor does not have public access"). Поэтому удалять только через Destroy.
try { scene?.Destroy(); } catch { }
try { importer?.Destroy(); } catch { }
try { setting?.Destroy(); } catch { }
try { manager?.Destroy(); } catch { }
}
return(true);
}
