public void TestBasics()
{
Assert.That(!string.IsNullOrEmpty(ModelExporter.GetVersionFromReadme()));
// Test GetOrCreateLayer
using (var fbxManager = FbxManager.Create()) {
var fbxMesh = FbxMesh.Create(fbxManager, "name");
var layer0 = ModelExporter.GetOrCreateLayer(fbxMesh);
Assert.That(layer0, Is.Not.Null);
Assert.That(ModelExporter.GetOrCreateLayer(fbxMesh), Is.EqualTo(layer0));
var layer5 = ModelExporter.GetOrCreateLayer(fbxMesh, layer: 5);
Assert.That(layer5, Is.Not.Null);
Assert.That(layer5, Is.Not.EqualTo(layer0));
}
// Test axis conversion: a x b in left-handed is the same as b x a
// in right-handed (that's why we need to flip the winding order).
var a = new Vector3(1, 0, 0);
var b = new Vector3(0, 0, 1);
var crossLeft = Vector3.Cross(a, b);
Assert.That(ModelExporter.DefaultMaterial);
// Test non-static functions.
using (var fbxManager = FbxManager.Create()) {
var fbxScene = FbxScene.Create(fbxManager, "scene");
var fbxNode = FbxNode.Create(fbxScene, "node");
var exporter = new ModelExporter();
// Test ExportMaterial: it exports and it re-exports
bool result = exporter.ExportMaterial(ModelExporter.DefaultMaterial, fbxScene, fbxNode);
Assert.IsTrue(result);
var fbxMaterial = fbxNode.GetMaterial(0);
Assert.That(fbxMaterial, Is.Not.Null);
result = exporter.ExportMaterial(ModelExporter.DefaultMaterial, fbxScene, fbxNode);
var fbxMaterial2 = fbxNode.GetMaterial(1);
Assert.AreEqual(fbxMaterial, fbxMaterial2);
// Test ExportTexture: it finds the same texture for the default-material (it doesn't create a new one)
var fbxMaterialNew = FbxSurfaceLambert.Create(fbxScene, "lambert");
exporter.ExportTexture(ModelExporter.DefaultMaterial, "_MainTex",
fbxMaterialNew, FbxSurfaceLambert.sBump);
Assert.AreEqual(
fbxMaterial.FindProperty(FbxSurfaceLambert.sDiffuse).GetSrcObject(),
fbxMaterialNew.FindProperty(FbxSurfaceLambert.sBump).GetSrcObject()
);
// Test ExportMesh: make sure we exported a mesh with welded vertices.
var cube = GameObject.CreatePrimitive(PrimitiveType.Cube);
var cubeNode = FbxNode.Create(fbxScene, "cube");
exporter.ExportMesh(cube.GetComponent <MeshFilter>().sharedMesh, cubeNode);
Assert.That(cubeNode.GetMesh(), Is.Not.Null);
Assert.That(cubeNode.GetMesh().GetControlPointsCount(), Is.EqualTo(8));
}
// Test exporting a skinned-mesh. Make sure it doesn't leak (it did at one point)
{
var cube = GameObject.CreatePrimitive(PrimitiveType.Cube);
var character = new GameObject();
var smr = character.AddComponent <SkinnedMeshRenderer>();
smr.sharedMesh = cube.GetComponent <MeshFilter>().sharedMesh;
var meshCount = Object.FindObjectsOfType <Mesh>().Length;
ModelExporter.ExportObject(GetRandomFbxFilePath(), character);
Assert.AreEqual(meshCount, Object.FindObjectsOfType <Mesh>().Length);
}
// Test euler to quaternion conversion
{
// EulerToQuaternionZXY
var v = new Vector3(50, 45, 190);
var quat = ModelExporter.EulerToQuaternionZXY(v);
var unityQuat = Quaternion.Euler(v);
Assert.That((float)quat.X, Is.EqualTo(unityQuat.x));
Assert.That((float)quat.Y, Is.EqualTo(unityQuat.y));
Assert.That((float)quat.Z, Is.EqualTo(unityQuat.z));
Assert.That((float)quat.W, Is.EqualTo(unityQuat.w));
// EulerToQuaternionXYZ
var fbxV = new FbxVector4(v.x, v.y, v.z);
var xyzQuat = ModelExporter.EulerToQuaternionXYZ(fbxV);
// get the vector from the quaternion
FbxAMatrix m = new FbxAMatrix();
m.SetR(fbxV);
var actualQuat = m.GetQ();
// since this quaternion is XYZ instead of ZXY, it should not match the quaternion
// created with EulerToQuaternionZXY
Assert.That(xyzQuat, Is.Not.EqualTo(quat));
Assert.That(xyzQuat, Is.EqualTo(actualQuat));
}
}
public void BasicTests()
{
using (var manager = FbxManager.Create()) {
// FbxPropertyT<FbxBool> example: VisibilityInheritance on a node
var node = FbxNode.Create(manager, "node");
GenericPropertyTests <FbxPropertyBool> (node.VisibilityInheritance, node, "Visibility Inheritance", Globals.FbxVisibilityInheritanceDT);
var property = node.VisibilityInheritance;
property.Set(false);
Assert.AreEqual(false, property.Get());
Assert.AreEqual(false, property.EvaluateValue());
Assert.AreEqual(false, property.EvaluateValue(FbxTime.FromSecondDouble(5)));
Assert.AreEqual(false, property.EvaluateValue(FbxTime.FromSecondDouble(5), true));
}
using (var manager = FbxManager.Create()) {
// FbxPropertyT<FbxDouble> example: several of them on a Lambert shader
var obj = FbxSurfaceLambert.Create(manager, "lambert");
GenericPropertyTests <FbxPropertyDouble> (obj.EmissiveFactor, obj, "EmissiveFactor", Globals.FbxDoubleDT);
var property = obj.EmissiveFactor;
property.Set(5.0); // bool Set<float> is not accessible here!
Assert.AreEqual(5.0, property.Get());
Assert.AreEqual(5.0, property.EvaluateValue());
Assert.AreEqual(5.0, property.EvaluateValue(FbxTime.FromSecondDouble(5)));
Assert.AreEqual(5.0, property.EvaluateValue(FbxTime.FromSecondDouble(5), true));
}
using (var manager = FbxManager.Create()) {
// FbxPropertyT<Double3> example: the LclTranslation on a node
var node = FbxNode.Create(manager, "node");
GenericPropertyTests <FbxPropertyDouble3> (node.LclTranslation, node, "Lcl Translation", Globals.FbxLocalTranslationDT);
var property = node.LclTranslation;
property.Set(new FbxDouble3(1, 2, 3));
Assert.AreEqual(new FbxDouble3(1, 2, 3), property.Get());
Assert.AreEqual(new FbxDouble3(1, 2, 3), property.EvaluateValue());
Assert.AreEqual(new FbxDouble3(1, 2, 3), property.EvaluateValue(FbxTime.FromSecondDouble(5)));
Assert.AreEqual(new FbxDouble3(1, 2, 3), property.EvaluateValue(FbxTime.FromSecondDouble(5), true));
}
using (var manager = FbxManager.Create()) {
// FbxPropertyT<float> example: the LeftBarnDoor on a light
var light = FbxLight.Create(manager, "light");
GenericPropertyTests(light.LeftBarnDoor, light, "LeftBarnDoor", Globals.FbxFloatDT);
var property = light.LeftBarnDoor;
light.LeftBarnDoor.Set(5.0f);
Assert.AreEqual(5.0f, light.LeftBarnDoor.Get());
Assert.AreEqual(5.0f, property.EvaluateValue());
Assert.AreEqual(5.0f, property.EvaluateValue(FbxTime.FromSecondDouble(5)));
Assert.AreEqual(5.0f, property.EvaluateValue(FbxTime.FromSecondDouble(5), true));
}
using (var manager = FbxManager.Create()) {
// FbxPropertyT<int> example: the WorldUpType on an aim constraint
var constraint = FbxConstraintAim.Create(manager, "constraint");
GenericPropertyTests(constraint.WorldUpType, constraint, "WorldUpType", Globals.FbxEnumDT);
var property = constraint.WorldUpType;
int value = (int)FbxConstraintAim.EWorldUp.eAimAtObjectUp;
constraint.WorldUpType.Set(value);
Assert.That(constraint.WorldUpType.Get(), Is.EqualTo(value));
Assert.That(property.EvaluateValue(), Is.EqualTo(value));
Assert.That(property.EvaluateValue(FbxTime.FromSecondDouble(5)), Is.EqualTo(value));
Assert.That(property.EvaluateValue(FbxTime.FromSecondDouble(5), true), Is.EqualTo(value));
}
using (var manager = FbxManager.Create()) {
// FbxPropertyT<FbxString> example: the description of a shader implementation
var impl = FbxImplementation.Create(manager, "name");
GenericPropertyTests <FbxPropertyString> (impl.RenderAPI, impl, "RenderAPI", Globals.FbxStringDT);
var property = impl.RenderAPI;
property.Set("a value");
Assert.AreEqual("a value", property.Get());
// animated strings come out as empty-string
Assert.AreEqual("", property.EvaluateValue());
Assert.AreEqual("", property.EvaluateValue(FbxTime.FromSecondDouble(5)));
Assert.AreEqual("", property.EvaluateValue(FbxTime.FromSecondDouble(5), true));
}
using (var manager = FbxManager.Create()) {
// FbxPropertyT for FbxTexture enums EBlendMode and EWrapMode
var tex = FbxTexture.Create(manager, "tex");
FbxPropertyTest.GenericPropertyTests(tex.CurrentTextureBlendMode, tex, "CurrentTextureBlendMode", Globals.FbxEnumDT);
tex.CurrentTextureBlendMode.Set(FbxTexture.EBlendMode.eAdditive);
Assert.AreEqual(FbxTexture.EBlendMode.eAdditive, tex.CurrentTextureBlendMode.Get());
Assert.AreEqual(FbxTexture.EBlendMode.eAdditive, tex.CurrentTextureBlendMode.EvaluateValue());
Assert.AreEqual(FbxTexture.EBlendMode.eAdditive, tex.CurrentTextureBlendMode.EvaluateValue(FbxTime.FromSecondDouble(5)));
Assert.AreEqual(FbxTexture.EBlendMode.eAdditive, tex.CurrentTextureBlendMode.EvaluateValue(FbxTime.FromSecondDouble(5), true));
FbxPropertyTest.GenericPropertyTests(tex.WrapModeU, tex, "WrapModeU", Globals.FbxEnumDT);
tex.WrapModeU.Set(FbxTexture.EWrapMode.eClamp);
Assert.AreEqual(FbxTexture.EWrapMode.eClamp, tex.WrapModeU.Get());
Assert.AreEqual(FbxTexture.EWrapMode.eClamp, tex.WrapModeU.EvaluateValue());
Assert.AreEqual(FbxTexture.EWrapMode.eClamp, tex.WrapModeU.EvaluateValue(FbxTime.FromSecondDouble(5)));
Assert.AreEqual(FbxTexture.EWrapMode.eClamp, tex.WrapModeU.EvaluateValue(FbxTime.FromSecondDouble(5), true));
}
using (var manager = FbxManager.Create()) {
// FbxPropertyT<FbxNull.ELook>
var null1 = FbxNull.Create(manager, "null1");
FbxPropertyTest.GenericPropertyTests(null1.Look, null1, "Look", Globals.FbxEnumDT);
null1.Look.Set(FbxNull.ELook.eCross);
Assert.AreEqual(FbxNull.ELook.eCross, null1.Look.Get());
Assert.AreEqual(FbxNull.ELook.eCross, null1.Look.EvaluateValue());
Assert.AreEqual(FbxNull.ELook.eCross, null1.Look.EvaluateValue(FbxTime.FromSecondDouble(5)));
Assert.AreEqual(FbxNull.ELook.eCross, null1.Look.EvaluateValue(FbxTime.FromSecondDouble(5), true));
}
using (var manager = FbxManager.Create()) {
// FbxPropertyT<FbxMarker.ELook>
var marker1 = FbxMarker.Create(manager, "marker1");
FbxPropertyTest.GenericPropertyTests(marker1.Look, marker1, "Look", Globals.FbxEnumDT);
marker1.Look.Set(FbxMarker.ELook.eCapsule);
Assert.AreEqual(FbxMarker.ELook.eCapsule, marker1.Look.Get());
Assert.AreEqual(FbxMarker.ELook.eCapsule, marker1.Look.EvaluateValue());
Assert.AreEqual(FbxMarker.ELook.eCapsule, marker1.Look.EvaluateValue(FbxTime.FromSecondDouble(5)));
Assert.AreEqual(FbxMarker.ELook.eCapsule, marker1.Look.EvaluateValue(FbxTime.FromSecondDouble(5), true));
}
using (var manager = FbxManager.Create()) {
// FbxPropertyT for FbxCamera enum EProjectionType
var camera = FbxCamera.Create(manager, "camera");
FbxPropertyTest.GenericPropertyTests(camera.ProjectionType, camera, "CameraProjectionType", Globals.FbxEnumDT);
camera.ProjectionType.Set(FbxCamera.EProjectionType.ePerspective);
Assert.AreEqual(FbxCamera.EProjectionType.ePerspective, camera.ProjectionType.Get());
Assert.AreEqual(FbxCamera.EProjectionType.ePerspective, camera.ProjectionType.EvaluateValue());
Assert.AreEqual(FbxCamera.EProjectionType.ePerspective, camera.ProjectionType.EvaluateValue(FbxTime.FromSecondDouble(5)));
Assert.AreEqual(FbxCamera.EProjectionType.ePerspective, camera.ProjectionType.EvaluateValue(FbxTime.FromSecondDouble(5), true));
}
using (var manager = FbxManager.Create()) {
// FbxPropertyT for FbxCamera enum EGateFit
var camera = FbxCamera.Create(manager, "camera");
FbxPropertyTest.GenericPropertyTests(camera.GateFit, camera, "GateFit", Globals.FbxEnumDT);
camera.GateFit.Set(FbxCamera.EGateFit.eFitHorizontal);
Assert.AreEqual(FbxCamera.EGateFit.eFitHorizontal, camera.GateFit.Get());
Assert.AreEqual(FbxCamera.EGateFit.eFitHorizontal, camera.GateFit.EvaluateValue());
Assert.AreEqual(FbxCamera.EGateFit.eFitHorizontal, camera.GateFit.EvaluateValue(FbxTime.FromSecondDouble(5)));
Assert.AreEqual(FbxCamera.EGateFit.eFitHorizontal, camera.GateFit.EvaluateValue(FbxTime.FromSecondDouble(5), true));
}
using (var manager = FbxManager.Create()) {
// FbxPropertyT<EInheritType>
var node = FbxNode.Create(manager, "node");
FbxPropertyTest.GenericPropertyTests(node.InheritType, node, "InheritType", Globals.FbxEnumDT);
node.InheritType.Set(FbxTransform.EInheritType.eInheritRSrs);
Assert.AreEqual(FbxTransform.EInheritType.eInheritRSrs, node.InheritType.Get());
Assert.AreEqual(FbxTransform.EInheritType.eInheritRSrs, node.InheritType.EvaluateValue());
Assert.AreEqual(FbxTransform.EInheritType.eInheritRSrs, node.InheritType.EvaluateValue(FbxTime.FromSecondDouble(5)));
Assert.AreEqual(FbxTransform.EInheritType.eInheritRSrs, node.InheritType.EvaluateValue(FbxTime.FromSecondDouble(5), true));
}
using (var manager = FbxManager.Create()) {
// FbxPropertyT for FbxLight enums
var light = FbxLight.Create(manager, "light");
FbxPropertyTest.GenericPropertyTests(light.LightType, light, "LightType", Globals.FbxEnumDT);
light.LightType.Set(FbxLight.EType.eSpot);
Assert.AreEqual(FbxLight.EType.eSpot, light.LightType.Get());
Assert.AreEqual(FbxLight.EType.eSpot, light.LightType.EvaluateValue());
Assert.AreEqual(FbxLight.EType.eSpot, light.LightType.EvaluateValue(FbxTime.FromSecondDouble(5)));
Assert.AreEqual(FbxLight.EType.eSpot, light.LightType.EvaluateValue(FbxTime.FromSecondDouble(5), true));
FbxPropertyTest.GenericPropertyTests(light.AreaLightShape, light, "AreaLightShape", Globals.FbxEnumDT);
light.AreaLightShape.Set(FbxLight.EAreaLightShape.eSphere);
Assert.AreEqual(FbxLight.EAreaLightShape.eSphere, light.AreaLightShape.Get());
Assert.AreEqual(FbxLight.EAreaLightShape.eSphere, light.AreaLightShape.EvaluateValue());
Assert.AreEqual(FbxLight.EAreaLightShape.eSphere, light.AreaLightShape.EvaluateValue(FbxTime.FromSecondDouble(5)));
Assert.AreEqual(FbxLight.EAreaLightShape.eSphere, light.AreaLightShape.EvaluateValue(FbxTime.FromSecondDouble(5), true));
FbxPropertyTest.GenericPropertyTests(light.DecayType, light, "DecayType", Globals.FbxEnumDT);
light.DecayType.Set(FbxLight.EDecayType.eCubic);
Assert.AreEqual(FbxLight.EDecayType.eCubic, light.DecayType.Get());
Assert.AreEqual(FbxLight.EDecayType.eCubic, light.DecayType.EvaluateValue());
Assert.AreEqual(FbxLight.EDecayType.eCubic, light.DecayType.EvaluateValue(FbxTime.FromSecondDouble(5)));
Assert.AreEqual(FbxLight.EDecayType.eCubic, light.DecayType.EvaluateValue(FbxTime.FromSecondDouble(5), true));
}
using (var manager = FbxManager.Create()) {
// Test all the create and destroy operations
FbxProperty root, child;
var obj = FbxObject.Create(manager, "obj");
Assert.IsNotNull(FbxProperty.Create(obj, Globals.FbxStringDT, "a"));
Assert.IsNotNull(FbxProperty.Create(obj, Globals.FbxStringDT, "b", "label"));
Assert.IsNotNull(FbxProperty.Create(obj, Globals.FbxStringDT, "c", "label", false));
bool didFind;
Assert.IsNotNull(FbxProperty.Create(obj, Globals.FbxStringDT, "c", "label", true, out didFind));
Assert.IsTrue(didFind);
root = FbxProperty.Create(obj, Globals.FbxCompoundDT, "root");
child = FbxProperty.Create(root, Globals.FbxStringDT, "a");
Assert.IsNotNull(child);
Assert.IsNotNull(FbxProperty.Create(root, Globals.FbxStringDT, "b", "label"));
Assert.IsNotNull(FbxProperty.Create(root, Globals.FbxStringDT, "c", "label", false));
Assert.IsNotNull(FbxProperty.Create(root, Globals.FbxStringDT, "c", "label", true, out didFind));
Assert.IsTrue(didFind);
child.Destroy();
root.DestroyChildren();
Assert.IsNotNull(FbxProperty.Create(root, Globals.FbxStringDT, "c", "label", true, out didFind));
Assert.IsFalse(didFind);
root.DestroyRecursively();
}
}
public void TestEquality()
{
using (var manager = FbxManager.Create()) {
// FbxProperty
var node = FbxNode.Create(manager, "node");
var prop1 = FbxProperty.Create(node, Globals.FbxBoolDT, "bool1");
var prop2 = FbxProperty.Create(node, Globals.FbxBoolDT, "bool2");
var prop1copy = node.FindProperty("bool1");
EqualityTester <FbxProperty> .TestEquality(prop1, prop2, prop1copy);
// FbxPropertyT<bool>
var vis1 = node.VisibilityInheritance;
var vis2 = FbxNode.Create(manager, "node2").VisibilityInheritance;
var vis1copy = vis1; // TODO: node.FindProperty("Visibility Inheritance"); -- but that has a different proxy type
EqualityTester <FbxPropertyBool> .TestEquality(vis1, vis2, vis1copy);
// FbxPropertyT<EInheritType>
var inhType1 = node.InheritType;
var inhType2 = FbxNode.Create(manager, "node3").InheritType;
var inhType1Copy = inhType1; // TODO: node.FindProperty("InheritType");
EqualityTester <FbxPropertyEInheritType> .TestEquality(inhType1, inhType2, inhType1Copy);
// FbxPropertyT<double>
var lambert = FbxSurfaceLambert.Create(manager, "lambert");
var emissiveCopy = lambert.EmissiveFactor; // TODO: lambert.FindProperty("EmissiveFactor");
EqualityTester <FbxPropertyDouble> .TestEquality(lambert.EmissiveFactor, lambert.AmbientFactor, emissiveCopy);
// FbxPropertyT<FbxDouble3>
var lclTranslationCopy = node.LclTranslation; // TODO: node.FindProperty("Lcl Translation");
EqualityTester <FbxPropertyDouble3> .TestEquality(node.LclTranslation, node.LclRotation, lclTranslationCopy);
// FbxPropertyT<float>
var light = FbxLight.Create(manager, "light");
EqualityTester <FbxPropertyFloat> .TestEquality(light.LeftBarnDoor, light.RightBarnDoor, light.LeftBarnDoor);
// FbxPropertyT<int>
var constraint = FbxConstraintAim.Create(manager, "constraint");
var constraint2 = FbxConstraintAim.Create(manager, "constraint2");
var worldUpTypeCopy = constraint.WorldUpType; // TODO: constraint.FindProperty("WorldUpType");
EqualityTester <FbxPropertyInt> .TestEquality(constraint.WorldUpType, constraint2.WorldUpType, worldUpTypeCopy);
// FbxPropertyT<> for FbxTexture enums
var tex1 = FbxTexture.Create(manager, "tex1");
var tex2 = FbxTexture.Create(manager, "tex2");
var blendCopy = tex1.CurrentTextureBlendMode; // TODO: tex1.FindProperty(...)
EqualityTester <FbxPropertyEBlendMode> .TestEquality(tex1.CurrentTextureBlendMode, tex2.CurrentTextureBlendMode, blendCopy);
var wrapCopy = tex1.WrapModeU; // TODO: tex1.FindProperty(...)
EqualityTester <FbxPropertyEWrapMode> .TestEquality(tex1.WrapModeU, tex2.WrapModeU, wrapCopy);
// FbxPropertyT<FbxNull.ELook>
var null1 = FbxNull.Create(manager, "null1");
var null2 = FbxNull.Create(manager, "null2");
EqualityTester <FbxPropertyNullELook> .TestEquality(null1.Look, null2.Look, null1.Look);
// FbxPropertyT<FbxMarker.ELook>
var marker1 = FbxMarker.Create(manager, "marker1");
var marker2 = FbxMarker.Create(manager, "marker2");
EqualityTester <FbxPropertyMarkerELook> .TestEquality(marker1.Look, marker2.Look, marker1.Look);
// FbxPropertyT<string>
var impl = FbxImplementation.Create(manager, "impl");
var renderAPIcopy = impl.RenderAPI; // TODO: impl.FindProperty("RenderAPI");
EqualityTester <FbxPropertyString> .TestEquality(impl.RenderAPI, impl.RenderAPIVersion, renderAPIcopy);
// FbxPropertyT<> for FbxCamera enum EProjectionType
var cam1 = FbxCamera.Create(manager, "cam1");
var cam2 = FbxCamera.Create(manager, "cam2");
var projectionCopy = cam1.ProjectionType;
EqualityTester <FbxPropertyEProjectionType> .TestEquality(cam1.ProjectionType, cam2.ProjectionType, projectionCopy);
// FbxPropertyT<> for FbxLight enum EType
var light1 = FbxLight.Create(manager, "light1");
var light2 = FbxLight.Create(manager, "light2");
var typeCopy = light1.LightType;
EqualityTester <FbxPropertyELightType> .TestEquality(light1.LightType, light2.LightType, typeCopy);
var lightShapeCopy = light1.AreaLightShape;
EqualityTester <FbxPropertyEAreaLightShape> .TestEquality(light1.AreaLightShape, light2.AreaLightShape, lightShapeCopy);
var decayCopy = light1.DecayType;
EqualityTester <FbxPropertyEDecayType> .TestEquality(light1.DecayType, light2.DecayType, decayCopy);
var floatCopy = light1.LeftBarnDoor;
EqualityTester <FbxPropertyFloat> .TestEquality(light1.LeftBarnDoor, light2.LeftBarnDoor, floatCopy);
}
}
internal static FbxSurfaceMaterial CreateFbxMaterial(
FbxExportGlobals G, string meshNamespace, IExportableMaterial exportableMaterial,
HashSet <string> createdMaterialNames)
{
string materialName;
if (exportableMaterial is BrushDescriptor)
{
// Toolkit uses this guid (in "N" format) to look up a BrushDescriptor.
// See Toolkit's ModelImportSettings.GetDescriptorForStroke
materialName = $"{exportableMaterial.UniqueName:N}_{meshNamespace}_{exportableMaterial.DurableName}";
}
else if (exportableMaterial is DynamicExportableMaterial dem)
{
// Comes from {fbx,obj,gltf,...} import from {Poly, Media Library}
// This is a customized version of a BrushDescriptor -- almost certainly
// Pbr{Blend,Opaque}{Double,Single}Sided with maybe an added texture and
// some of its params customized.
// TBT will merge the material created by Unity for this FbxMaterial with
// the premade material it has for the parent guid.
materialName = $"{dem.Parent.m_Guid:N}_{meshNamespace}_{dem.DurableName}";
}
else
{
Debug.LogWarning($"Unknown class {exportableMaterial.GetType().Name}");
materialName = $"{meshNamespace}_{exportableMaterial.DurableName}";
}
// If only ExportFbx were a non-static class we could merge it with FbxExportGlobals
materialName = ExportUtils.CreateUniqueName(materialName, createdMaterialNames);
FbxSurfaceLambert material = FbxSurfaceLambert.Create(G.m_scene, materialName);
material.Ambient.Set(new FbxDouble3(0, 0, 0));
material.Diffuse.Set(new FbxDouble3(1.0, 1.0, 1.0));
if (exportableMaterial.EmissiveFactor > 0)
{
material.EmissiveFactor.Set(exportableMaterial.EmissiveFactor);
material.Emissive.Set(new FbxDouble3(1.0, 1.0, 1.0));
}
if (exportableMaterial.BlendMode != ExportableMaterialBlendMode.None)
{
var blendMode = FbxProperty.Create(material, Globals.FbxStringDT, "BlendMode");
switch (exportableMaterial.BlendMode)
{
case ExportableMaterialBlendMode.AlphaMask:
blendMode.SetString(new FbxString("AlphaMask"));
material.TransparencyFactor.Set(0.2);
break;
case ExportableMaterialBlendMode.AdditiveBlend:
blendMode.SetString(new FbxString("AdditiveBlend"));
break;
}
}
// Export the texture
if (exportableMaterial.HasExportTexture())
{
// This is not perfectly unique, but it is good enough for fbx export
// better would be to use <durable>_<guid> but that's ugly, and nobody uses
// the textures anyway, so... let's leave well enough alone for now.
string albedoTextureName = exportableMaterial.DurableName;
var fullTextureDir = Path.Combine(G.m_outputDir, kRelativeTextureDir);
if (!Directory.Exists(fullTextureDir))
{
if (!FileUtils.InitializeDirectoryWithUserError(fullTextureDir))
{
throw new IOException("Cannot write textures");
}
}
string src = exportableMaterial.GetExportTextureFilename();
var textureFileName = albedoTextureName + ".png";
var textureFilePath = Path.Combine(fullTextureDir, textureFileName);
FileInfo srcInfo = new FileInfo(src);
if (srcInfo.Exists && !new FileInfo(textureFilePath).Exists)
{
srcInfo.CopyTo(textureFilePath);
}
FbxFileTexture texture = FbxFileTexture.Create(G.m_scene, albedoTextureName + "_texture");
texture.SetFileName(textureFilePath);
texture.SetTextureUse(FbxTexture.ETextureUse.eStandard);
texture.SetMappingType(FbxTexture.EMappingType.eUV);
texture.SetMaterialUse(FbxFileTexture.EMaterialUse.eModelMaterial);
texture.UVSet.Set(new FbxString("uv0"));
material.Diffuse.ConnectSrcObject(texture);
material.TransparentColor.ConnectSrcObject(texture);
}
else
{
foreach (var kvp in exportableMaterial.TextureUris)
{
string parameterName = kvp.Key;
string textureUri = kvp.Value;
if (ExportFileReference.IsHttp(textureUri))
{
// fbx can't deal with http references to textures
continue;
}
ExportFileReference fileRef = ExportFileReference.GetOrCreateSafeLocal(
G.m_disambiguationContext, textureUri, exportableMaterial.UriBase,
$"{meshNamespace}_{Path.GetFileName(textureUri)}");
AddTextureToMaterial(G, fileRef, material, parameterName);
}
}
return(material);
}
internal static global::System.Runtime.InteropServices.HandleRef getCPtr(FbxSurfaceLambert obj)
{
return((obj == null) ? new global::System.Runtime.InteropServices.HandleRef(null, global::System.IntPtr.Zero) : obj.swigCPtr);
}
public void TestBasics()
{
Assert.That(!string.IsNullOrEmpty(ModelExporter.GetVersionFromReadme()));
// Test GetOrCreateLayer
using (var fbxManager = FbxManager.Create()) {
var fbxMesh = FbxMesh.Create(fbxManager, "name");
var layer0 = ModelExporter.GetOrCreateLayer(fbxMesh);
Assert.That(layer0, Is.Not.Null);
Assert.That(ModelExporter.GetOrCreateLayer(fbxMesh), Is.EqualTo(layer0));
var layer5 = ModelExporter.GetOrCreateLayer(fbxMesh, layer: 5);
Assert.That(layer5, Is.Not.Null);
Assert.That(layer5, Is.Not.EqualTo(layer0));
}
// Test axis conversion: a x b in left-handed is the same as b x a
// in right-handed (that's why we need to flip the winding order).
var a = new Vector3(1, 0, 0);
var b = new Vector3(0, 0, 1);
var crossLeft = Vector3.Cross(a, b);
var afbx = ModelExporter.ConvertToRightHanded(a);
var bfbx = ModelExporter.ConvertToRightHanded(b);
Assert.AreEqual(ModelExporter.ConvertToRightHanded(crossLeft), bfbx.CrossProduct(afbx));
// Test scale conversion. Nothing complicated here...
var afbxPosition = ModelExporter.ConvertToRightHanded(a, ModelExporter.UnitScaleFactor);
Assert.AreEqual(100, afbxPosition.Length());
// Test rotation conversion.
var q = Quaternion.Euler(new Vector3(0, 90, 0));
var fbxAngles = ModelExporter.ConvertQuaternionToXYZEuler(q);
Assert.AreEqual(fbxAngles.X, 0);
Assert.That(fbxAngles.Y, Is.InRange(-90.001, -89.999));
Assert.AreEqual(fbxAngles.Z, 0);
Assert.That(ModelExporter.DefaultMaterial);
// Test non-static functions.
using (var fbxManager = FbxManager.Create()) {
var fbxScene = FbxScene.Create(fbxManager, "scene");
var fbxNode = FbxNode.Create(fbxScene, "node");
var exporter = new ModelExporter();
// Test ExportMaterial: it exports and it re-exports
bool result = exporter.ExportMaterial(ModelExporter.DefaultMaterial, fbxScene, fbxNode);
Assert.IsTrue(result);
var fbxMaterial = fbxNode.GetMaterial(0);
Assert.That(fbxMaterial, Is.Not.Null);
result = exporter.ExportMaterial(ModelExporter.DefaultMaterial, fbxScene, fbxNode);
var fbxMaterial2 = fbxNode.GetMaterial(1);
Assert.AreEqual(fbxMaterial, fbxMaterial2);
// Test ExportTexture: it finds the same texture for the default-material (it doesn't create a new one)
var fbxMaterialNew = FbxSurfaceLambert.Create(fbxScene, "lambert");
exporter.ExportTexture(ModelExporter.DefaultMaterial, "_MainTex",
fbxMaterialNew, FbxSurfaceLambert.sBump);
Assert.AreEqual(
fbxMaterial.FindProperty(FbxSurfaceLambert.sDiffuse).GetSrcObject(),
fbxMaterialNew.FindProperty(FbxSurfaceLambert.sBump).GetSrcObject()
);
// Test ExportMesh: make sure we exported a mesh with welded vertices.
var cube = GameObject.CreatePrimitive(PrimitiveType.Cube);
var cubeNode = FbxNode.Create(fbxScene, "cube");
exporter.ExportMesh(cube.GetComponent <MeshFilter>().sharedMesh, cubeNode);
Assert.That(cubeNode.GetMesh(), Is.Not.Null);
Assert.That(cubeNode.GetMesh().GetControlPointsCount(), Is.EqualTo(8));
}
// Test exporting a skinned-mesh. Make sure it doesn't leak (it did at one point)
{
var cube = GameObject.CreatePrimitive(PrimitiveType.Cube);
var character = new GameObject();
var smr = character.AddComponent <SkinnedMeshRenderer>();
smr.sharedMesh = cube.GetComponent <MeshFilter>().sharedMesh;
var meshCount = Object.FindObjectsOfType <Mesh>().Length;
ModelExporter.ExportObject(GetRandomFbxFilePath(), character);
Assert.AreEqual(meshCount, Object.FindObjectsOfType <Mesh>().Length);
}
}
