New 3ds Max PBR Materials in FBX

code/AssetLib/FBX/FBXConverter.cpp

@@ -2011,12 +2011,25 @@ void FBXConverter::SetTextureProperties(aiMaterial *out_mat, const TextureMap &_
     TrySetTextureProperties(out_mat, _textures, "Maya|TEX_roughness_map", aiTextureType_DIFFUSE_ROUGHNESS, mesh);
     TrySetTextureProperties(out_mat, _textures, "Maya|TEX_ao_map", aiTextureType_AMBIENT_OCCLUSION, mesh);
 
-    // 3DSMax PBR
+    // 3DSMax Physical material
     TrySetTextureProperties(out_mat, _textures, "3dsMax|Parameters|base_color_map", aiTextureType_BASE_COLOR, mesh);
     TrySetTextureProperties(out_mat, _textures, "3dsMax|Parameters|bump_map", aiTextureType_NORMAL_CAMERA, mesh);
     TrySetTextureProperties(out_mat, _textures, "3dsMax|Parameters|emission_map", aiTextureType_EMISSION_COLOR, mesh);
     TrySetTextureProperties(out_mat, _textures, "3dsMax|Parameters|metalness_map", aiTextureType_METALNESS, mesh);
     TrySetTextureProperties(out_mat, _textures, "3dsMax|Parameters|roughness_map", aiTextureType_DIFFUSE_ROUGHNESS, mesh);
+
+    // 3DSMax PBR materials
+    TrySetTextureProperties(out_mat, _textures, "3dsMax|main|base_color_map", aiTextureType_BASE_COLOR, mesh);
+    TrySetTextureProperties(out_mat, _textures, "3dsMax|main|norm_map", aiTextureType_NORMAL_CAMERA, mesh);
+    TrySetTextureProperties(out_mat, _textures, "3dsMax|main|emit_color_map", aiTextureType_EMISSION_COLOR, mesh);
+    TrySetTextureProperties(out_mat, _textures, "3dsMax|main|ao_map", aiTextureType_AMBIENT_OCCLUSION, mesh);
+    TrySetTextureProperties(out_mat, _textures, "3dsMax|main|opacity_map", aiTextureType_OPACITY, mesh);
+    // Metalness/Roughness mode
+    TrySetTextureProperties(out_mat, _textures, "3dsMax|main|metalness_map", aiTextureType_METALNESS, mesh);
+    TrySetTextureProperties(out_mat, _textures, "3dsMax|main|roughness_map", aiTextureType_DIFFUSE_ROUGHNESS, mesh);
+    // Specular/Gloss mode
+    TrySetTextureProperties(out_mat, _textures, "3dsMax|main|specular_map", aiTextureType_SPECULAR, mesh);
+    TrySetTextureProperties(out_mat, _textures, "3dsMax|main|glossiness_map", aiTextureType_SHININESS, mesh);
 }
 
 void FBXConverter::SetTextureProperties(aiMaterial *out_mat, const LayeredTextureMap &layeredTextures, const MeshGeometry *const mesh) {

code/AssetLib/FBX/FBXProperties.cpp

@@ -90,7 +90,7 @@ Property* ReadTypedProperty(const Element& element)
         ai_assert(tok.size() >= 5);
         return new TypedProperty<bool>(ParseTokenAsInt(*tok[4]) != 0);
     }
-    else if (!strcmp(cs, "int") || !strcmp(cs, "Int") || !strcmp(cs, "enum") || !strcmp(cs, "Enum")) {
+    else if (!strcmp(cs, "int") || !strcmp(cs, "Int") || !strcmp(cs, "enum") || !strcmp(cs, "Enum") || !strcmp(cs, "Integer")) {
         ai_assert(tok.size() >= 5);
         return new TypedProperty<int>(ParseTokenAsInt(*tok[4]));
     }
@@ -121,6 +121,16 @@ Property* ReadTypedProperty(const Element& element)
         ai_assert(tok.size() >= 5);
         return new TypedProperty<float>(ParseTokenAsFloat(*tok[4]));
     }
+    else if (!strcmp(cs, "ColorAndAlpha"))
+    {
+        ai_assert(tok.size() >= 8);
+        return new TypedProperty<aiColor4D>(aiColor4D(
+            ParseTokenAsFloat(*tok[4]),
+            ParseTokenAsFloat(*tok[5]),
+            ParseTokenAsFloat(*tok[6]),
+            ParseTokenAsFloat(*tok[7]))
+        );
+    }
     return nullptr;
 }
 

test/models/FBX/maxPbrMaterial_metalRough.fbx

@@ -0,0 +1,618 @@
+; FBX 7.7.0 project file
+; ----------------------------------------------------
+
+FBXHeaderExtension:  {
+	FBXHeaderVersion: 1004
+	FBXVersion: 7700
+	CreationTimeStamp:  {
+		Version: 1000
+		Year: 2020
+		Month: 12
+		Day: 1
+		Hour: 9
+		Minute: 35
+		Second: 57
+		Millisecond: 532
+	}
+	Creator: "FBX SDK/FBX Plugins version 2020.0.1"
+	OtherFlags:  {
+		TCDefinition: 127
+	}
+	SceneInfo: "SceneInfo::GlobalInfo", "UserData" {
+		Type: "UserData"
+		Version: 100
+		MetaData:  {
+			Version: 100
+			Title: ""
+			Subject: ""
+			Author: ""
+			Keywords: ""
+			Revision: ""
+			Comment: ""
+		}
+		Properties70:  {
+			P: "DocumentUrl", "KString", "Url", "", "G:\Temp\Max2021PbrMaterials\MaxPbrMaterial.fbx"
+			P: "SrcDocumentUrl", "KString", "Url", "", "G:\Temp\Max2021PbrMaterials\MaxPbrMaterial.fbx"
+			P: "Original", "Compound", "", ""
+			P: "Original|ApplicationVendor", "KString", "", "", "Autodesk"
+			P: "Original|ApplicationName", "KString", "", "", "3ds Max"
+			P: "Original|ApplicationVersion", "KString", "", "", "2021"
+			P: "Original|DateTime_GMT", "DateTime", "", "", "01/12/2020 09:35:57.532"
+			P: "Original|FileName", "KString", "", "", "G:\Temp\Max2021PbrMaterials\MaxPbrMaterial.fbx"
+			P: "LastSaved", "Compound", "", ""
+			P: "LastSaved|ApplicationVendor", "KString", "", "", "Autodesk"
+			P: "LastSaved|ApplicationName", "KString", "", "", "3ds Max"
+			P: "LastSaved|ApplicationVersion", "KString", "", "", "2021"
+			P: "LastSaved|DateTime_GMT", "DateTime", "", "", "01/12/2020 09:35:57.532"
+			P: "Original|ApplicationActiveProject", "KString", "", "", "C:\3ds Max 2021"
+			P: "Original|ApplicationNativeFile", "KString", "", "", "C;\3ds Max 2021\MaxPbrMaterial.max"
+		}
+	}
+}
+GlobalSettings:  {
+	Version: 1000
+	Properties70:  {
+		P: "UpAxis", "int", "Integer", "",1
+		P: "UpAxisSign", "int", "Integer", "",1
+		P: "FrontAxis", "int", "Integer", "",2
+		P: "FrontAxisSign", "int", "Integer", "",1
+		P: "CoordAxis", "int", "Integer", "",0
+		P: "CoordAxisSign", "int", "Integer", "",1
+		P: "OriginalUpAxis", "int", "Integer", "",2
+		P: "OriginalUpAxisSign", "int", "Integer", "",1
+		P: "UnitScaleFactor", "double", "Number", "",100
+		P: "OriginalUnitScaleFactor", "double", "Number", "",100.00000066
+		P: "AmbientColor", "ColorRGB", "Color", "",0,0,0
+		P: "DefaultCamera", "KString", "", "", "Producer Perspective"
+		P: "TimeMode", "enum", "", "",6
+		P: "TimeProtocol", "enum", "", "",2
+		P: "SnapOnFrameMode", "enum", "", "",0
+		P: "TimeSpanStart", "KTime", "Time", "",0
+		P: "TimeSpanStop", "KTime", "Time", "",153953860000
+		P: "CustomFrameRate", "double", "Number", "",-1
+		P: "TimeMarker", "Compound", "", ""
+		P: "CurrentTimeMarker", "int", "Integer", "",-1
+	}
+}
+
+; Documents Description
+;------------------------------------------------------------------
+
+Documents:  {
+	Count: 1
+	Document: 2188301813872, "", "Scene" {
+		Properties70:  {
+			P: "SourceObject", "object", "", ""
+			P: "ActiveAnimStackName", "KString", "", "", ""
+		}
+		RootNode: 0
+	}
+}
+
+; Document References
+;------------------------------------------------------------------
+
+References:  {
+}
+
+; Object definitions
+;------------------------------------------------------------------
+
+Definitions:  {
+	Version: 100
+	Count: 18
+	ObjectType: "GlobalSettings" {
+		Count: 1
+	}
+	ObjectType: "Model" {
+		Count: 1
+		PropertyTemplate: "FbxNode" {
+			Properties70:  {
+				P: "QuaternionInterpolate", "enum", "", "",0
+				P: "RotationOffset", "Vector3D", "Vector", "",0,0,0
+				P: "RotationPivot", "Vector3D", "Vector", "",0,0,0
+				P: "ScalingOffset", "Vector3D", "Vector", "",0,0,0
+				P: "ScalingPivot", "Vector3D", "Vector", "",0,0,0
+				P: "TranslationActive", "bool", "", "",0
+				P: "TranslationMin", "Vector3D", "Vector", "",0,0,0
+				P: "TranslationMax", "Vector3D", "Vector", "",0,0,0
+				P: "TranslationMinX", "bool", "", "",0
+				P: "TranslationMinY", "bool", "", "",0
+				P: "TranslationMinZ", "bool", "", "",0
+				P: "TranslationMaxX", "bool", "", "",0
+				P: "TranslationMaxY", "bool", "", "",0
+				P: "TranslationMaxZ", "bool", "", "",0
+				P: "RotationOrder", "enum", "", "",0
+				P: "RotationSpaceForLimitOnly", "bool", "", "",0
+				P: "RotationStiffnessX", "double", "Number", "",0
+				P: "RotationStiffnessY", "double", "Number", "",0
+				P: "RotationStiffnessZ", "double", "Number", "",0
+				P: "AxisLen", "double", "Number", "",10
+				P: "PreRotation", "Vector3D", "Vector", "",0,0,0
+				P: "PostRotation", "Vector3D", "Vector", "",0,0,0
+				P: "RotationActive", "bool", "", "",0
+				P: "RotationMin", "Vector3D", "Vector", "",0,0,0
+				P: "RotationMax", "Vector3D", "Vector", "",0,0,0
+				P: "RotationMinX", "bool", "", "",0
+				P: "RotationMinY", "bool", "", "",0
+				P: "RotationMinZ", "bool", "", "",0
+				P: "RotationMaxX", "bool", "", "",0
+				P: "RotationMaxY", "bool", "", "",0
+				P: "RotationMaxZ", "bool", "", "",0
+				P: "InheritType", "enum", "", "",0
+				P: "ScalingActive", "bool", "", "",0
+				P: "ScalingMin", "Vector3D", "Vector", "",0,0,0
+				P: "ScalingMax", "Vector3D", "Vector", "",1,1,1
+				P: "ScalingMinX", "bool", "", "",0
+				P: "ScalingMinY", "bool", "", "",0
+				P: "ScalingMinZ", "bool", "", "",0
+				P: "ScalingMaxX", "bool", "", "",0
+				P: "ScalingMaxY", "bool", "", "",0
+				P: "ScalingMaxZ", "bool", "", "",0
+				P: "GeometricTranslation", "Vector3D", "Vector", "",0,0,0
+				P: "GeometricRotation", "Vector3D", "Vector", "",0,0,0
+				P: "GeometricScaling", "Vector3D", "Vector", "",1,1,1
+				P: "MinDampRangeX", "double", "Number", "",0
+				P: "MinDampRangeY", "double", "Number", "",0
+				P: "MinDampRangeZ", "double", "Number", "",0
+				P: "MaxDampRangeX", "double", "Number", "",0
+				P: "MaxDampRangeY", "double", "Number", "",0
+				P: "MaxDampRangeZ", "double", "Number", "",0
+				P: "MinDampStrengthX", "double", "Number", "",0
+				P: "MinDampStrengthY", "double", "Number", "",0
+				P: "MinDampStrengthZ", "double", "Number", "",0
+				P: "MaxDampStrengthX", "double", "Number", "",0
+				P: "MaxDampStrengthY", "double", "Number", "",0
+				P: "MaxDampStrengthZ", "double", "Number", "",0
+				P: "PreferedAngleX", "double", "Number", "",0
+				P: "PreferedAngleY", "double", "Number", "",0
+				P: "PreferedAngleZ", "double", "Number", "",0
+				P: "LookAtProperty", "object", "", ""
+				P: "UpVectorProperty", "object", "", ""
+				P: "Show", "bool", "", "",1
+				P: "NegativePercentShapeSupport", "bool", "", "",1
+				P: "DefaultAttributeIndex", "int", "Integer", "",-1
+				P: "Freeze", "bool", "", "",0
+				P: "LODBox", "bool", "", "",0
+				P: "Lcl Translation", "Lcl Translation", "", "A",0,0,0
+				P: "Lcl Rotation", "Lcl Rotation", "", "A",0,0,0
+				P: "Lcl Scaling", "Lcl Scaling", "", "A",1,1,1
+				P: "Visibility", "Visibility", "", "A",1
+				P: "Visibility Inheritance", "Visibility Inheritance", "", "",1
+			}
+		}
+	}
+	ObjectType: "Geometry" {
+		Count: 1
+		PropertyTemplate: "FbxMesh" {
+			Properties70:  {
+				P: "Color", "ColorRGB", "Color", "",0.8,0.8,0.8
+				P: "BBoxMin", "Vector3D", "Vector", "",0,0,0
+				P: "BBoxMax", "Vector3D", "Vector", "",0,0,0
+				P: "Primary Visibility", "bool", "", "",1
+				P: "Casts Shadows", "bool", "", "",1
+				P: "Receive Shadows", "bool", "", "",1
+			}
+		}
+	}
+	ObjectType: "Material" {
+		Count: 1
+		PropertyTemplate: "FbxSurfaceMaterial" {
+			Properties70:  {
+				P: "ShadingModel", "KString", "", "", "Unknown"
+				P: "MultiLayer", "bool", "", "",0
+			}
+		}
+	}
+	ObjectType: "Texture" {
+		Count: 7
+		PropertyTemplate: "FbxFileTexture" {
+			Properties70:  {
+				P: "TextureTypeUse", "enum", "", "",0
+				P: "Texture alpha", "Number", "", "A",1
+				P: "CurrentMappingType", "enum", "", "",0
+				P: "WrapModeU", "enum", "", "",0
+				P: "WrapModeV", "enum", "", "",0
+				P: "UVSwap", "bool", "", "",0
+				P: "PremultiplyAlpha", "bool", "", "",1
+				P: "Translation", "Vector", "", "A",0,0,0
+				P: "Rotation", "Vector", "", "A",0,0,0
+				P: "Scaling", "Vector", "", "A",1,1,1
+				P: "TextureRotationPivot", "Vector3D", "Vector", "",0,0,0
+				P: "TextureScalingPivot", "Vector3D", "Vector", "",0,0,0
+				P: "CurrentTextureBlendMode", "enum", "", "",1
+				P: "UVSet", "KString", "", "", "default"
+				P: "UseMaterial", "bool", "", "",0
+				P: "UseMipMap", "bool", "", "",0
+			}
+		}
+	}
+	ObjectType: "Video" {
+		Count: 7
+		PropertyTemplate: "FbxVideo" {
+			Properties70:  {
+				P: "Path", "KString", "XRefUrl", "", ""
+				P: "RelPath", "KString", "XRefUrl", "", ""
+				P: "Color", "ColorRGB", "Color", "",0.8,0.8,0.8
+				P: "ClipIn", "KTime", "Time", "",0
+				P: "ClipOut", "KTime", "Time", "",0
+				P: "Offset", "KTime", "Time", "",0
+				P: "PlaySpeed", "double", "Number", "",0
+				P: "FreeRunning", "bool", "", "",0
+				P: "Loop", "bool", "", "",0
+				P: "Mute", "bool", "", "",0
+				P: "AccessMode", "enum", "", "",0
+				P: "ImageSequence", "bool", "", "",0
+				P: "ImageSequenceOffset", "int", "Integer", "",0
+				P: "FrameRate", "double", "Number", "",0
+				P: "LastFrame", "int", "Integer", "",0
+				P: "Width", "int", "Integer", "",0
+				P: "Height", "int", "Integer", "",0
+				P: "StartFrame", "int", "Integer", "",0
+				P: "StopFrame", "int", "Integer", "",0
+				P: "InterlaceMode", "enum", "", "",0
+			}
+		}
+	}
+}
+
+; Object properties
+;------------------------------------------------------------------
+
+Objects:  {
+	Geometry: 2188426094640, "Geometry::", "Mesh" {
+		Properties70:  {
+			P: "Color", "ColorRGB", "Color", "",0.341176470588235,0.882352941176471,0.776470588235294
+		}
+		Vertices: *24 {
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+		} 
+		PolygonVertexIndex: *24 {
+			a: 0,2,3,-2,4,5,7,-7,0,1,5,-5,1,3,7,-6,3,2,6,-8,2,0,4,-7
+		} 
+		Edges: *12 {
+			a: 0,1,2,3,4,5,6,7,9,11,13,17
+		} 
+		GeometryVersion: 124
+		LayerElementNormal: 0 {
+			Version: 102
+			Name: ""
+			MappingInformationType: "ByPolygonVertex"
+			ReferenceInformationType: "Direct"
+			Normals: *72 {
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+			} 
+			NormalsW: *24 {
+				a: 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
+			} 
+		}
+		LayerElementUV: 0 {
+			Version: 101
+			Name: "UVChannel_1"
+			MappingInformationType: "ByPolygonVertex"
+			ReferenceInformationType: "IndexToDirect"
+			UV: *48 {
+				a: 1,0,0,0,1,1,0,1,0,0,1,0,0,1,1,1,0,0,1,0,0,1,1,1,0,0,1,0,0,1,1,1,0,0,1,0,0,1,1,1,0,0,1,0,0,1,1,1
+			} 
+			UVIndex: *24 {
+				a: 0,2,3,1,4,5,7,6,8,9,11,10,12,13,15,14,16,17,19,18,20,21,23,22
+			} 
+		}
+		LayerElementMaterial: 0 {
+			Version: 101
+			Name: ""
+			MappingInformationType: "AllSame"
+			ReferenceInformationType: "IndexToDirect"
+			Materials: *1 {
+				a: 0
+			} 
+		}
+		Layer: 0 {
+			Version: 100
+			LayerElement:  {
+				Type: "LayerElementNormal"
+				TypedIndex: 0
+			}
+			LayerElement:  {
+				Type: "LayerElementMaterial"
+				TypedIndex: 0
+			}
+			LayerElement:  {
+				Type: "LayerElementUV"
+				TypedIndex: 0
+			}
+		}
+	}
+	Model: 2187845653184, "Model::Box001", "Mesh" {
+		Version: 232
+		Properties70:  {
+			P: "PreRotation", "Vector3D", "Vector", "",-90,-0,0
+			P: "RotationActive", "bool", "", "",1
+			P: "InheritType", "enum", "", "",1
+			P: "ScalingMax", "Vector3D", "Vector", "",0,0,0
+			P: "DefaultAttributeIndex", "int", "Integer", "",0
+			P: "Lcl Translation", "Lcl Translation", "", "A",0.570660591125488,0,-0.671265125274658
+			P: "MaxHandle", "int", "Integer", "UH",2
+		}
+		Shading: T
+		Culling: "CullingOff"
+	}
+	Material: 2188102329504, "Material::PBR Material", "" {
+		Version: 102
+		ShadingModel: "unknown"
+		MultiLayer: 0
+		Properties70:  {
+			P: "ShadingModel", "KString", "", "", "unknown"
+			P: "AmbientColor", "ColorRGB", "Color", "",0,1,1
+			P: "DiffuseColor", "ColorRGB", "Color", "",0,1,1
+			P: "SpecularColor", "ColorRGB", "Color", "",0.75,1,1
+			P: "SpecularFactor", "double", "Number", "",2.25
+			P: "ShininessExponent", "double", "Number", "",32
+			P: "TransparencyFactor", "double", "Number", "",0
+			P: "EmissiveColor", "ColorRGB", "Color", "",3.14159274101257,3.14159250259399,0
+			P: "EmissiveFactor", "double", "Number", "",1
+			P: "3dsMax", "Compound", "", ""
+			P: "3dsMax|ClassIDa", "int", "Integer", "",-804315648
+			P: "3dsMax|ClassIDb", "int", "Integer", "",-1099438848
+			P: "3dsMax|SuperClassID", "int", "Integer", "",3072
+			P: "3dsMax|settings", "Compound", "", ""
+			P: "3dsMax|settings|ao_affects_diffuse", "Bool", "", "A",1
+			P: "3dsMax|settings|ao_affects_reflection", "Bool", "", "A",1
+			P: "3dsMax|settings|normal_flip_red", "Bool", "", "A",0
+			P: "3dsMax|settings|normal_flip_green", "Bool", "", "A",0
+			P: "3dsMax|main", "Compound", "", ""
+			P: "3dsMax|main|basecolor", "ColorAndAlpha", "", "A",0,1,1,1
+			P: "3dsMax|main|base_color_map", "Reference", "", "A"
+			P: "3dsMax|main|metalness", "Float", "", "A",0.25
+			P: "3dsMax|main|metalness_map", "Reference", "", "A"
+			P: "3dsMax|main|roughness", "Float", "", "A",0.5
+			P: "3dsMax|main|roughness_map", "Reference", "", "A"
+			P: "3dsMax|main|useGlossiness", "Integer", "", "A",2
+			P: "3dsMax|main|ao_map", "Reference", "", "A"
+			P: "3dsMax|main|bump_map_amt", "Float", "", "A",0.75
+			P: "3dsMax|main|norm_map", "Reference", "", "A"
+			P: "3dsMax|main|emit_color", "ColorAndAlpha", "", "A",1,1,0,1
+			P: "3dsMax|main|emit_color_map", "Reference", "", "A"
+			P: "3dsMax|main|opacity_map", "Reference", "", "A"
+		}
+	}
+	Video: 2188262711712, "Video::Albedo", "Clip" {
+		Type: "Clip"
+		Properties70:  {
+			P: "Path", "KString", "XRefUrl", "", "Textures\albedo.png"
+			P: "RelPath", "KString", "XRefUrl", "", "Textures\albedo.png"
+		}
+		UseMipMap: 0
+		Filename: "Textures\albedo.png"
+		RelativeFilename: "Textures\albedo.png"
+	}
+	Video: 2188262695872, "Video::Metalness", "Clip" {
+		Type: "Clip"
+		Properties70:  {
+			P: "Path", "KString", "XRefUrl", "", "Textures\metalness.png"
+			P: "RelPath", "KString", "XRefUrl", "", "Textures\metalness.png"
+		}
+		UseMipMap: 0
+		Filename: "Textures\metalness.png"
+		RelativeFilename: "Textures\metalness.png"
+	}
+	Video: 2188262686752, "Video::Roughness", "Clip" {
+		Type: "Clip"
+		Properties70:  {
+			P: "Path", "KString", "XRefUrl", "", "Textures\roughness.png"
+			P: "RelPath", "KString", "XRefUrl", "", "Textures\roughness.png"
+		}
+		UseMipMap: 0
+		Filename: "Textures\roughness.png"
+		RelativeFilename: "Textures\roughness.png"
+	}
+	Video: 2188262700672, "Video::Occlusion", "Clip" {
+		Type: "Clip"
+		Properties70:  {
+			P: "Path", "KString", "XRefUrl", "", "Textures\occlusion.png"
+			P: "RelPath", "KString", "XRefUrl", "", "Textures\occlusion.png"
+		}
+		UseMipMap: 0
+		Filename: "Textures\occlusion.png"
+		RelativeFilename: "Textures\occlusion.png"
+	}
+	Video: 2188262708832, "Video::Normal", "Clip" {
+		Type: "Clip"
+		Properties70:  {
+			P: "Path", "KString", "XRefUrl", "", "Textures\normal.png"
+			P: "RelPath", "KString", "XRefUrl", "", "Textures\normal.png"
+		}
+		UseMipMap: 0
+		Filename: "Textures\normal.png"
+		RelativeFilename: "Textures\normal.png"
+	}
+	Video: 2188262712672, "Video::Emission", "Clip" {
+		Type: "Clip"
+		Properties70:  {
+			P: "Path", "KString", "XRefUrl", "", "Textures\emission.png"
+			P: "RelPath", "KString", "XRefUrl", "", "Textures\emission.png"
+		}
+		UseMipMap: 0
+		Filename: "Textures\emission.png"
+		RelativeFilename: "Textures\emission.png"
+	}
+	Video: 2188262696352, "Video::Opacity", "Clip" {
+		Type: "Clip"
+		Properties70:  {
+			P: "Path", "KString", "XRefUrl", "", "Textures\opacity.png"
+			P: "RelPath", "KString", "XRefUrl", "", "Textures\opacity.png"
+		}
+		UseMipMap: 0
+		Filename: "Textures\opacity.png"
+		RelativeFilename: "Textures\opacity.png"
+	}
+	Texture: 2188262656992, "Texture::Albedo", "" {
+		Type: "TextureVideoClip"
+		Version: 202
+		TextureName: "Texture::Albedo"
+		Properties70:  {
+			P: "UVSet", "KString", "", "", "UVChannel_1"
+			P: "UseMaterial", "bool", "", "",1
+		}
+		Media: "Video::Albedo"
+		FileName: "Textures\albedo.png"
+		RelativeFilename: "Textures\albedo.png"
+		ModelUVTranslation: 0,0
+		ModelUVScaling: 1,1
+		Texture_Alpha_Source: "None"
+		Cropping: 0,0,0,0
+	}
+	Texture: 2188262678592, "Texture::Metalness", "" {
+		Type: "TextureVideoClip"
+		Version: 202
+		TextureName: "Texture::Metalness"
+		Properties70:  {
+			P: "UVSet", "KString", "", "", "UVChannel_1"
+			P: "UseMaterial", "bool", "", "",1
+		}
+		Media: "Video::Metalness"
+		FileName: "Textures\metalness.png"
+		RelativeFilename: "Textures\metalness.png"
+		ModelUVTranslation: 0,0
+		ModelUVScaling: 1,1
+		Texture_Alpha_Source: "None"
+		Cropping: 0,0,0,0
+	}
+	Texture: 2188262682432, "Texture::Roughness", "" {
+		Type: "TextureVideoClip"
+		Version: 202
+		TextureName: "Texture::Roughness"
+		Properties70:  {
+			P: "UVSet", "KString", "", "", "UVChannel_1"
+			P: "UseMaterial", "bool", "", "",1
+		}
+		Media: "Video::Roughness"
+		FileName: "Textures\roughness.png"
+		RelativeFilename: "Textures\roughness.png"
+		ModelUVTranslation: 0,0
+		ModelUVScaling: 1,1
+		Texture_Alpha_Source: "None"
+		Cropping: 0,0,0,0
+	}
+	Texture: 2188262656032, "Texture::Occlusion", "" {
+		Type: "TextureVideoClip"
+		Version: 202
+		TextureName: "Texture::Occlusion"
+		Properties70:  {
+			P: "UVSet", "KString", "", "", "UVChannel_1"
+			P: "UseMaterial", "bool", "", "",1
+		}
+		Media: "Video::Occlusion"
+		FileName: "Textures\occlusion.png"
+		RelativeFilename: "Textures\occlusion.png"
+		ModelUVTranslation: 0,0
+		ModelUVScaling: 1,1
+		Texture_Alpha_Source: "None"
+		Cropping: 0,0,0,0
+	}
+	Texture: 2188262659392, "Texture::Normal", "" {
+		Type: "TextureVideoClip"
+		Version: 202
+		TextureName: "Texture::Normal"
+		Properties70:  {
+			P: "UVSet", "KString", "", "", "UVChannel_1"
+			P: "UseMaterial", "bool", "", "",1
+		}
+		Media: "Video::Normal"
+		FileName: "Textures\normal.png"
+		RelativeFilename: "Textures\normal.png"
+		ModelUVTranslation: 0,0
+		ModelUVScaling: 1,1
+		Texture_Alpha_Source: "None"
+		Cropping: 0,0,0,0
+	}
+	Texture: 2188262700192, "Texture::Emission", "" {
+		Type: "TextureVideoClip"
+		Version: 202
+		TextureName: "Texture::Emission"
+		Properties70:  {
+			P: "UVSet", "KString", "", "", "UVChannel_1"
+			P: "UseMaterial", "bool", "", "",1
+		}
+		Media: "Video::Emission"
+		FileName: "Textures\emission.png"
+		RelativeFilename: "Textures\emission.png"
+		ModelUVTranslation: 0,0
+		ModelUVScaling: 1,1
+		Texture_Alpha_Source: "None"
+		Cropping: 0,0,0,0
+	}
+	Texture: 2188262684832, "Texture::Opacity", "" {
+		Type: "TextureVideoClip"
+		Version: 202
+		TextureName: "Texture::Opacity"
+		Properties70:  {
+			P: "UVSet", "KString", "", "", "UVChannel_1"
+			P: "UseMaterial", "bool", "", "",1
+		}
+		Media: "Video::Opacity"
+		FileName: "Textures\opacity.png"
+		RelativeFilename: "Textures\opacity.png"
+		ModelUVTranslation: 0,0
+		ModelUVScaling: 1,1
+		Texture_Alpha_Source: "None"
+		Cropping: 0,0,0,0
+	}
+}
+
+; Object connections
+;------------------------------------------------------------------
+
+Connections:  {
+	
+	;Model::Box001, Model::RootNode
+	C: "OO",2187845653184,0
+	
+	;Geometry::, Model::Box001
+	C: "OO",2188426094640,2187845653184
+	
+	;Material::PBR Material, Model::Box001
+	C: "OO",2188102329504,2187845653184
+	
+	;Texture::Albedo, Material::PBR Material
+	C: "OP",2188262656992,2188102329504, "3dsMax|main|base_color_map"
+	
+	;Texture::Metalness, Material::PBR Material
+	C: "OP",2188262678592,2188102329504, "3dsMax|main|metalness_map"
+	
+	;Texture::Roughness, Material::PBR Material
+	C: "OP",2188262682432,2188102329504, "3dsMax|main|roughness_map"
+	
+	;Texture::Occlusion, Material::PBR Material
+	C: "OP",2188262656032,2188102329504, "3dsMax|main|ao_map"
+	
+	;Texture::Normal, Material::PBR Material
+	C: "OP",2188262659392,2188102329504, "3dsMax|main|norm_map"
+	
+	;Texture::Emission, Material::PBR Material
+	C: "OP",2188262700192,2188102329504, "3dsMax|main|emit_color_map"
+	
+	;Texture::Opacity, Material::PBR Material
+	C: "OP",2188262684832,2188102329504, "3dsMax|main|opacity_map"
+	
+	;Video::Albedo, Texture::Albedo
+	C: "OO",2188262711712,2188262656992
+	
+	;Video::Metalness, Texture::Metalness
+	C: "OO",2188262695872,2188262678592
+	
+	;Video::Roughness, Texture::Roughness
+	C: "OO",2188262686752,2188262682432
+	
+	;Video::Occlusion, Texture::Occlusion
+	C: "OO",2188262700672,2188262656032
+	
+	;Video::Normal, Texture::Normal
+	C: "OO",2188262708832,2188262659392
+	
+	;Video::Emission, Texture::Emission
+	C: "OO",2188262712672,2188262700192
+	
+	;Video::Opacity, Texture::Opacity
+	C: "OO",2188262696352,2188262684832
+}

test/models/FBX/maxPbrMaterial_specGloss.fbx

@@ -0,0 +1,618 @@
+; FBX 7.7.0 project file
+; ----------------------------------------------------
+
+FBXHeaderExtension:  {
+	FBXHeaderVersion: 1004
+	FBXVersion: 7700
+	CreationTimeStamp:  {
+		Version: 1000
+		Year: 2020
+		Month: 12
+		Day: 1
+		Hour: 11
+		Minute: 50
+		Second: 44
+		Millisecond: 89
+	}
+	Creator: "FBX SDK/FBX Plugins version 2020.0.1"
+	OtherFlags:  {
+		TCDefinition: 127
+	}
+	SceneInfo: "SceneInfo::GlobalInfo", "UserData" {
+		Type: "UserData"
+		Version: 100
+		MetaData:  {
+			Version: 100
+			Title: ""
+			Subject: ""
+			Author: ""
+			Keywords: ""
+			Revision: ""
+			Comment: ""
+		}
+		Properties70:  {
+			P: "DocumentUrl", "KString", "Url", "", "C:\3ds Max 2021\maxPbrMaterial_specGloss.fbx"
+			P: "SrcDocumentUrl", "KString", "Url", "", "C:\3ds Max 2021\maxPbrMaterial_specGloss.fbx"
+			P: "Original", "Compound", "", ""
+			P: "Original|ApplicationVendor", "KString", "", "", "Autodesk"
+			P: "Original|ApplicationName", "KString", "", "", "3ds Max"
+			P: "Original|ApplicationVersion", "KString", "", "", "2021"
+			P: "Original|DateTime_GMT", "DateTime", "", "", "01/12/2020 11:50:44.088"
+			P: "Original|FileName", "KString", "", "", "C:\3ds Max 2021\maxPbrMaterial_specGloss.fbx"
+			P: "LastSaved", "Compound", "", ""
+			P: "LastSaved|ApplicationVendor", "KString", "", "", "Autodesk"
+			P: "LastSaved|ApplicationName", "KString", "", "", "3ds Max"
+			P: "LastSaved|ApplicationVersion", "KString", "", "", "2021"
+			P: "LastSaved|DateTime_GMT", "DateTime", "", "", "01/12/2020 11:50:44.088"
+			P: "Original|ApplicationActiveProject", "KString", "", "", "C:\3ds Max 2021"
+			P: "Original|ApplicationNativeFile", "KString", "", "", "C:\3ds Max 2021\MaxPbrMaterial2.max"
+		}
+	}
+}
+GlobalSettings:  {
+	Version: 1000
+	Properties70:  {
+		P: "UpAxis", "int", "Integer", "",1
+		P: "UpAxisSign", "int", "Integer", "",1
+		P: "FrontAxis", "int", "Integer", "",2
+		P: "FrontAxisSign", "int", "Integer", "",1
+		P: "CoordAxis", "int", "Integer", "",0
+		P: "CoordAxisSign", "int", "Integer", "",1
+		P: "OriginalUpAxis", "int", "Integer", "",2
+		P: "OriginalUpAxisSign", "int", "Integer", "",1
+		P: "UnitScaleFactor", "double", "Number", "",100
+		P: "OriginalUnitScaleFactor", "double", "Number", "",100.00000066
+		P: "AmbientColor", "ColorRGB", "Color", "",0,0,0
+		P: "DefaultCamera", "KString", "", "", "Producer Perspective"
+		P: "TimeMode", "enum", "", "",6
+		P: "TimeProtocol", "enum", "", "",2
+		P: "SnapOnFrameMode", "enum", "", "",0
+		P: "TimeSpanStart", "KTime", "Time", "",0
+		P: "TimeSpanStop", "KTime", "Time", "",153953860000
+		P: "CustomFrameRate", "double", "Number", "",-1
+		P: "TimeMarker", "Compound", "", ""
+		P: "CurrentTimeMarker", "int", "Integer", "",-1
+	}
+}
+
+; Documents Description
+;------------------------------------------------------------------
+
+Documents:  {
+	Count: 1
+	Document: 2188636931248, "", "Scene" {
+		Properties70:  {
+			P: "SourceObject", "object", "", ""
+			P: "ActiveAnimStackName", "KString", "", "", ""
+		}
+		RootNode: 0
+	}
+}
+
+; Document References
+;------------------------------------------------------------------
+
+References:  {
+}
+
+; Object definitions
+;------------------------------------------------------------------
+
+Definitions:  {
+	Version: 100
+	Count: 18
+	ObjectType: "GlobalSettings" {
+		Count: 1
+	}
+	ObjectType: "Model" {
+		Count: 1
+		PropertyTemplate: "FbxNode" {
+			Properties70:  {
+				P: "QuaternionInterpolate", "enum", "", "",0
+				P: "RotationOffset", "Vector3D", "Vector", "",0,0,0
+				P: "RotationPivot", "Vector3D", "Vector", "",0,0,0
+				P: "ScalingOffset", "Vector3D", "Vector", "",0,0,0
+				P: "ScalingPivot", "Vector3D", "Vector", "",0,0,0
+				P: "TranslationActive", "bool", "", "",0
+				P: "TranslationMin", "Vector3D", "Vector", "",0,0,0
+				P: "TranslationMax", "Vector3D", "Vector", "",0,0,0
+				P: "TranslationMinX", "bool", "", "",0
+				P: "TranslationMinY", "bool", "", "",0
+				P: "TranslationMinZ", "bool", "", "",0
+				P: "TranslationMaxX", "bool", "", "",0
+				P: "TranslationMaxY", "bool", "", "",0
+				P: "TranslationMaxZ", "bool", "", "",0
+				P: "RotationOrder", "enum", "", "",0
+				P: "RotationSpaceForLimitOnly", "bool", "", "",0
+				P: "RotationStiffnessX", "double", "Number", "",0
+				P: "RotationStiffnessY", "double", "Number", "",0
+				P: "RotationStiffnessZ", "double", "Number", "",0
+				P: "AxisLen", "double", "Number", "",10
+				P: "PreRotation", "Vector3D", "Vector", "",0,0,0
+				P: "PostRotation", "Vector3D", "Vector", "",0,0,0
+				P: "RotationActive", "bool", "", "",0
+				P: "RotationMin", "Vector3D", "Vector", "",0,0,0
+				P: "RotationMax", "Vector3D", "Vector", "",0,0,0
+				P: "RotationMinX", "bool", "", "",0
+				P: "RotationMinY", "bool", "", "",0
+				P: "RotationMinZ", "bool", "", "",0
+				P: "RotationMaxX", "bool", "", "",0
+				P: "RotationMaxY", "bool", "", "",0
+				P: "RotationMaxZ", "bool", "", "",0
+				P: "InheritType", "enum", "", "",0
+				P: "ScalingActive", "bool", "", "",0
+				P: "ScalingMin", "Vector3D", "Vector", "",0,0,0
+				P: "ScalingMax", "Vector3D", "Vector", "",1,1,1
+				P: "ScalingMinX", "bool", "", "",0
+				P: "ScalingMinY", "bool", "", "",0
+				P: "ScalingMinZ", "bool", "", "",0
+				P: "ScalingMaxX", "bool", "", "",0
+				P: "ScalingMaxY", "bool", "", "",0
+				P: "ScalingMaxZ", "bool", "", "",0
+				P: "GeometricTranslation", "Vector3D", "Vector", "",0,0,0
+				P: "GeometricRotation", "Vector3D", "Vector", "",0,0,0
+				P: "GeometricScaling", "Vector3D", "Vector", "",1,1,1
+				P: "MinDampRangeX", "double", "Number", "",0
+				P: "MinDampRangeY", "double", "Number", "",0
+				P: "MinDampRangeZ", "double", "Number", "",0
+				P: "MaxDampRangeX", "double", "Number", "",0
+				P: "MaxDampRangeY", "double", "Number", "",0
+				P: "MaxDampRangeZ", "double", "Number", "",0
+				P: "MinDampStrengthX", "double", "Number", "",0
+				P: "MinDampStrengthY", "double", "Number", "",0
+				P: "MinDampStrengthZ", "double", "Number", "",0
+				P: "MaxDampStrengthX", "double", "Number", "",0
+				P: "MaxDampStrengthY", "double", "Number", "",0
+				P: "MaxDampStrengthZ", "double", "Number", "",0
+				P: "PreferedAngleX", "double", "Number", "",0
+				P: "PreferedAngleY", "double", "Number", "",0
+				P: "PreferedAngleZ", "double", "Number", "",0
+				P: "LookAtProperty", "object", "", ""
+				P: "UpVectorProperty", "object", "", ""
+				P: "Show", "bool", "", "",1
+				P: "NegativePercentShapeSupport", "bool", "", "",1
+				P: "DefaultAttributeIndex", "int", "Integer", "",-1
+				P: "Freeze", "bool", "", "",0
+				P: "LODBox", "bool", "", "",0
+				P: "Lcl Translation", "Lcl Translation", "", "A",0,0,0
+				P: "Lcl Rotation", "Lcl Rotation", "", "A",0,0,0
+				P: "Lcl Scaling", "Lcl Scaling", "", "A",1,1,1
+				P: "Visibility", "Visibility", "", "A",1
+				P: "Visibility Inheritance", "Visibility Inheritance", "", "",1
+			}
+		}
+	}
+	ObjectType: "Geometry" {
+		Count: 1
+		PropertyTemplate: "FbxMesh" {
+			Properties70:  {
+				P: "Color", "ColorRGB", "Color", "",0.8,0.8,0.8
+				P: "BBoxMin", "Vector3D", "Vector", "",0,0,0
+				P: "BBoxMax", "Vector3D", "Vector", "",0,0,0
+				P: "Primary Visibility", "bool", "", "",1
+				P: "Casts Shadows", "bool", "", "",1
+				P: "Receive Shadows", "bool", "", "",1
+			}
+		}
+	}
+	ObjectType: "Material" {
+		Count: 1
+		PropertyTemplate: "FbxSurfaceMaterial" {
+			Properties70:  {
+				P: "ShadingModel", "KString", "", "", "Unknown"
+				P: "MultiLayer", "bool", "", "",0
+			}
+		}
+	}
+	ObjectType: "Texture" {
+		Count: 7
+		PropertyTemplate: "FbxFileTexture" {
+			Properties70:  {
+				P: "TextureTypeUse", "enum", "", "",0
+				P: "Texture alpha", "Number", "", "A",1
+				P: "CurrentMappingType", "enum", "", "",0
+				P: "WrapModeU", "enum", "", "",0
+				P: "WrapModeV", "enum", "", "",0
+				P: "UVSwap", "bool", "", "",0
+				P: "PremultiplyAlpha", "bool", "", "",1
+				P: "Translation", "Vector", "", "A",0,0,0
+				P: "Rotation", "Vector", "", "A",0,0,0
+				P: "Scaling", "Vector", "", "A",1,1,1
+				P: "TextureRotationPivot", "Vector3D", "Vector", "",0,0,0
+				P: "TextureScalingPivot", "Vector3D", "Vector", "",0,0,0
+				P: "CurrentTextureBlendMode", "enum", "", "",1
+				P: "UVSet", "KString", "", "", "default"
+				P: "UseMaterial", "bool", "", "",0
+				P: "UseMipMap", "bool", "", "",0
+			}
+		}
+	}
+	ObjectType: "Video" {
+		Count: 7
+		PropertyTemplate: "FbxVideo" {
+			Properties70:  {
+				P: "Path", "KString", "XRefUrl", "", ""
+				P: "RelPath", "KString", "XRefUrl", "", ""
+				P: "Color", "ColorRGB", "Color", "",0.8,0.8,0.8
+				P: "ClipIn", "KTime", "Time", "",0
+				P: "ClipOut", "KTime", "Time", "",0
+				P: "Offset", "KTime", "Time", "",0
+				P: "PlaySpeed", "double", "Number", "",0
+				P: "FreeRunning", "bool", "", "",0
+				P: "Loop", "bool", "", "",0
+				P: "Mute", "bool", "", "",0
+				P: "AccessMode", "enum", "", "",0
+				P: "ImageSequence", "bool", "", "",0
+				P: "ImageSequenceOffset", "int", "Integer", "",0
+				P: "FrameRate", "double", "Number", "",0
+				P: "LastFrame", "int", "Integer", "",0
+				P: "Width", "int", "Integer", "",0
+				P: "Height", "int", "Integer", "",0
+				P: "StartFrame", "int", "Integer", "",0
+				P: "StopFrame", "int", "Integer", "",0
+				P: "InterlaceMode", "enum", "", "",0
+			}
+		}
+	}
+}
+
+; Object properties
+;------------------------------------------------------------------
+
+Objects:  {
+	Geometry: 2188631051296, "Geometry::", "Mesh" {
+		Properties70:  {
+			P: "Color", "ColorRGB", "Color", "",0.341176470588235,0.882352941176471,0.776470588235294
+		}
+		Vertices: *24 {
+			a: -8.91135215759277,-10.98219871521,0,8.91135215759277,-10.98219871521,0,-8.91135215759277,10.98219871521,0,8.91135215759277,10.98219871521,0,-8.91135215759277,-10.98219871521,16.787576675415,8.91135215759277,-10.98219871521,16.787576675415,-8.91135215759277,10.98219871521,16.787576675415,8.91135215759277,10.98219871521,16.787576675415
+		} 
+		PolygonVertexIndex: *24 {
+			a: 0,2,3,-2,4,5,7,-7,0,1,5,-5,1,3,7,-6,3,2,6,-8,2,0,4,-7
+		} 
+		Edges: *12 {
+			a: 0,1,2,3,4,5,6,7,9,11,13,17
+		} 
+		GeometryVersion: 124
+		LayerElementNormal: 0 {
+			Version: 102
+			Name: ""
+			MappingInformationType: "ByPolygonVertex"
+			ReferenceInformationType: "Direct"
+			Normals: *72 {
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+			} 
+			NormalsW: *24 {
+				a: 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
+			} 
+		}
+		LayerElementUV: 0 {
+			Version: 101
+			Name: "UVChannel_1"
+			MappingInformationType: "ByPolygonVertex"
+			ReferenceInformationType: "IndexToDirect"
+			UV: *48 {
+				a: 1,0,0,0,1,1,0,1,0,0,1,0,0,1,1,1,0,0,1,0,0,1,1,1,0,0,1,0,0,1,1,1,0,0,1,0,0,1,1,1,0,0,1,0,0,1,1,1
+			} 
+			UVIndex: *24 {
+				a: 0,2,3,1,4,5,7,6,8,9,11,10,12,13,15,14,16,17,19,18,20,21,23,22
+			} 
+		}
+		LayerElementMaterial: 0 {
+			Version: 101
+			Name: ""
+			MappingInformationType: "AllSame"
+			ReferenceInformationType: "IndexToDirect"
+			Materials: *1 {
+				a: 0
+			} 
+		}
+		Layer: 0 {
+			Version: 100
+			LayerElement:  {
+				Type: "LayerElementNormal"
+				TypedIndex: 0
+			}
+			LayerElement:  {
+				Type: "LayerElementMaterial"
+				TypedIndex: 0
+			}
+			LayerElement:  {
+				Type: "LayerElementUV"
+				TypedIndex: 0
+			}
+		}
+	}
+	Model: 2188763600256, "Model::Box001", "Mesh" {
+		Version: 232
+		Properties70:  {
+			P: "PreRotation", "Vector3D", "Vector", "",-90,-0,0
+			P: "RotationActive", "bool", "", "",1
+			P: "InheritType", "enum", "", "",1
+			P: "ScalingMax", "Vector3D", "Vector", "",0,0,0
+			P: "DefaultAttributeIndex", "int", "Integer", "",0
+			P: "Lcl Translation", "Lcl Translation", "", "A",0.570660591125488,0,-0.671265125274658
+			P: "MaxHandle", "int", "Integer", "UH",2
+		}
+		Shading: T
+		Culling: "CullingOff"
+	}
+	Material: 2188661245104, "Material::02 - Default", "" {
+		Version: 102
+		ShadingModel: "unknown"
+		MultiLayer: 0
+		Properties70:  {
+			P: "ShadingModel", "KString", "", "", "unknown"
+			P: "AmbientColor", "ColorRGB", "Color", "",0,1,1
+			P: "DiffuseColor", "ColorRGB", "Color", "",0,1,1
+			P: "SpecularColor", "ColorRGB", "Color", "",1,1,1
+			P: "SpecularFactor", "double", "Number", "",2
+			P: "ShininessExponent", "double", "Number", "",1024
+			P: "TransparencyFactor", "double", "Number", "",0
+			P: "EmissiveColor", "ColorRGB", "Color", "",3.14159274101257,0,3.14159321784973
+			P: "EmissiveFactor", "double", "Number", "",1
+			P: "3dsMax", "Compound", "", ""
+			P: "3dsMax|ClassIDa", "int", "Integer", "",-804315648
+			P: "3dsMax|ClassIDb", "int", "Integer", "",31173939
+			P: "3dsMax|SuperClassID", "int", "Integer", "",3072
+			P: "3dsMax|settings", "Compound", "", ""
+			P: "3dsMax|settings|ao_affects_diffuse", "Bool", "", "A",1
+			P: "3dsMax|settings|ao_affects_reflection", "Bool", "", "A",1
+			P: "3dsMax|settings|normal_flip_red", "Bool", "", "A",0
+			P: "3dsMax|settings|normal_flip_green", "Bool", "", "A",0
+			P: "3dsMax|main", "Compound", "", ""
+			P: "3dsMax|main|basecolor", "ColorAndAlpha", "", "A",0,1,1,1
+			P: "3dsMax|main|base_color_map", "Reference", "", "A"
+			P: "3dsMax|main|Specular", "ColorAndAlpha", "", "A",1,1,0,1
+			P: "3dsMax|main|specular_map", "Reference", "", "A"
+			P: "3dsMax|main|glossiness", "Float", "", "A",0.33
+			P: "3dsMax|main|glossiness_map", "Reference", "", "A"
+			P: "3dsMax|main|useGlossiness", "Integer", "", "A",1
+			P: "3dsMax|main|ao_map", "Reference", "", "A"
+			P: "3dsMax|main|bump_map_amt", "Float", "", "A",0.66
+			P: "3dsMax|main|norm_map", "Reference", "", "A"
+			P: "3dsMax|main|emit_color", "ColorAndAlpha", "", "A",1,0,1,1
+			P: "3dsMax|main|emit_color_map", "Reference", "", "A"
+			P: "3dsMax|main|opacity_map", "Reference", "", "A"
+		}
+	}
+	Video: 2188262470272, "Video::Albedo", "Clip" {
+		Type: "Clip"
+		Properties70:  {
+			P: "Path", "KString", "XRefUrl", "", "Textures\albedo.png"
+			P: "RelPath", "KString", "XRefUrl", "", "Textures\albedo.png"
+		}
+		UseMipMap: 0
+		Filename: "Textures\albedo.png"
+		RelativeFilename: "Textures\albedo.png"
+	}
+	Video: 2188262470752, "Video::Specular", "Clip" {
+		Type: "Clip"
+		Properties70:  {
+			P: "Path", "KString", "XRefUrl", "", "Textures\specular.png"
+			P: "RelPath", "KString", "XRefUrl", "", "Textures\specular.png"
+		}
+		UseMipMap: 0
+		Filename: "Textures\specular.png"
+		RelativeFilename: "Textures\specular.png"
+	}
+	Video: 2188262476032, "Video::Glossiness", "Clip" {
+		Type: "Clip"
+		Properties70:  {
+			P: "Path", "KString", "XRefUrl", "", "Textures\glossiness.png"
+			P: "RelPath", "KString", "XRefUrl", "", "Textures\glossiness.png"
+		}
+		UseMipMap: 0
+		Filename: "Textures\glossiness.png"
+		RelativeFilename: "Textures\glossiness.png"
+	}
+	Video: 2188262483232, "Video::Occlusion", "Clip" {
+		Type: "Clip"
+		Properties70:  {
+			P: "Path", "KString", "XRefUrl", "", "Textures\occlusion.png"
+			P: "RelPath", "KString", "XRefUrl", "", "Textures\occlusion.png"
+		}
+		UseMipMap: 0
+		Filename: "Textures\occlusion.png"
+		RelativeFilename: "Textures\occlusion.png"
+	}
+	Video: 2188262486112, "Video::Normal", "Clip" {
+		Type: "Clip"
+		Properties70:  {
+			P: "Path", "KString", "XRefUrl", "", "Textures\normal.png"
+			P: "RelPath", "KString", "XRefUrl", "", "Textures\normal.png"
+		}
+		UseMipMap: 0
+		Filename: "Textures\normal.png"
+		RelativeFilename: "Textures\normal.png"
+	}
+	Video: 2188262486592, "Video::Emission", "Clip" {
+		Type: "Clip"
+		Properties70:  {
+			P: "Path", "KString", "XRefUrl", "", "Textures\emission.png"
+			P: "RelPath", "KString", "XRefUrl", "", "Textures\emission.png"
+		}
+		UseMipMap: 0
+		Filename: "Textures\emission.png"
+		RelativeFilename: "Textures\emission.png"
+	}
+	Video: 2188262687712, "Video::Opacity", "Clip" {
+		Type: "Clip"
+		Properties70:  {
+			P: "Path", "KString", "XRefUrl", "", "Textures\opacity.png"
+			P: "RelPath", "KString", "XRefUrl", "", "Textures\opacity.png"
+		}
+		UseMipMap: 0
+		Filename: "Textures\opacity.png"
+		RelativeFilename: "Textures\opacity.png"
+	}
+	Texture: 2188262484672, "Texture::Albedo", "" {
+		Type: "TextureVideoClip"
+		Version: 202
+		TextureName: "Texture::Albedo"
+		Properties70:  {
+			P: "UVSet", "KString", "", "", "UVChannel_1"
+			P: "UseMaterial", "bool", "", "",1
+		}
+		Media: "Video::Albedo"
+		FileName: "Textures\albedo.png"
+		RelativeFilename: "Textures\albedo.png"
+		ModelUVTranslation: 0,0
+		ModelUVScaling: 1,1
+		Texture_Alpha_Source: "None"
+		Cropping: 0,0,0,0
+	}
+	Texture: 2188262499552, "Texture::Specular", "" {
+		Type: "TextureVideoClip"
+		Version: 202
+		TextureName: "Texture::Specular"
+		Properties70:  {
+			P: "UVSet", "KString", "", "", "UVChannel_1"
+			P: "UseMaterial", "bool", "", "",1
+		}
+		Media: "Video::Specular"
+		FileName: "Textures\specular.png"
+		RelativeFilename: "Textures\specular.png"
+		ModelUVTranslation: 0,0
+		ModelUVScaling: 1,1
+		Texture_Alpha_Source: "None"
+		Cropping: 0,0,0,0
+	}
+	Texture: 2188262475552, "Texture::Glossiness", "" {
+		Type: "TextureVideoClip"
+		Version: 202
+		TextureName: "Texture::Glossiness"
+		Properties70:  {
+			P: "UVSet", "KString", "", "", "UVChannel_1"
+			P: "UseMaterial", "bool", "", "",1
+		}
+		Media: "Video::Glossiness"
+		FileName: "Textures\glossiness.png"
+		RelativeFilename: "Textures\glossiness.png"
+		ModelUVTranslation: 0,0
+		ModelUVScaling: 1,1
+		Texture_Alpha_Source: "None"
+		Cropping: 0,0,0,0
+	}
+	Texture: 2188262480352, "Texture::Occlusion", "" {
+		Type: "TextureVideoClip"
+		Version: 202
+		TextureName: "Texture::Occlusion"
+		Properties70:  {
+			P: "UVSet", "KString", "", "", "UVChannel_1"
+			P: "UseMaterial", "bool", "", "",1
+		}
+		Media: "Video::Occlusion"
+		FileName: "Textures\occlusion.png"
+		RelativeFilename: "Textures\occlusion.png"
+		ModelUVTranslation: 0,0
+		ModelUVScaling: 1,1
+		Texture_Alpha_Source: "None"
+		Cropping: 0,0,0,0
+	}
+	Texture: 2188262482752, "Texture::Normal", "" {
+		Type: "TextureVideoClip"
+		Version: 202
+		TextureName: "Texture::Normal"
+		Properties70:  {
+			P: "UVSet", "KString", "", "", "UVChannel_1"
+			P: "UseMaterial", "bool", "", "",1
+		}
+		Media: "Video::Normal"
+		FileName: "Textures\normal.png"
+		RelativeFilename: "Textures\normal.png"
+		ModelUVTranslation: 0,0
+		ModelUVScaling: 1,1
+		Texture_Alpha_Source: "None"
+		Cropping: 0,0,0,0
+	}
+	Texture: 2188262481312, "Texture::Emission", "" {
+		Type: "TextureVideoClip"
+		Version: 202
+		TextureName: "Texture::Emission"
+		Properties70:  {
+			P: "UVSet", "KString", "", "", "UVChannel_1"
+			P: "UseMaterial", "bool", "", "",1
+		}
+		Media: "Video::Emission"
+		FileName: "Textures\emission.png"
+		RelativeFilename: "Textures\emission.png"
+		ModelUVTranslation: 0,0
+		ModelUVScaling: 1,1
+		Texture_Alpha_Source: "None"
+		Cropping: 0,0,0,0
+	}
+	Texture: 2188262469792, "Texture::Opacity", "" {
+		Type: "TextureVideoClip"
+		Version: 202
+		TextureName: "Texture::Opacity"
+		Properties70:  {
+			P: "UVSet", "KString", "", "", "UVChannel_1"
+			P: "UseMaterial", "bool", "", "",1
+		}
+		Media: "Video::Opacity"
+		FileName: "Textures\opacity.png"
+		RelativeFilename: "Textures\opacity.png"
+		ModelUVTranslation: 0,0
+		ModelUVScaling: 1,1
+		Texture_Alpha_Source: "None"
+		Cropping: 0,0,0,0
+	}
+}
+
+; Object connections
+;------------------------------------------------------------------
+
+Connections:  {
+	
+	;Model::Box001, Model::RootNode
+	C: "OO",2188763600256,0
+	
+	;Geometry::, Model::Box001
+	C: "OO",2188631051296,2188763600256
+	
+	;Material::02 - Default, Model::Box001
+	C: "OO",2188661245104,2188763600256
+	
+	;Texture::Albedo, Material::02 - Default
+	C: "OP",2188262484672,2188661245104, "3dsMax|main|base_color_map"
+	
+	;Texture::Specular, Material::02 - Default
+	C: "OP",2188262499552,2188661245104, "3dsMax|main|specular_map"
+	
+	;Texture::Glossiness, Material::02 - Default
+	C: "OP",2188262475552,2188661245104, "3dsMax|main|glossiness_map"
+	
+	;Texture::Occlusion, Material::02 - Default
+	C: "OP",2188262480352,2188661245104, "3dsMax|main|ao_map"
+	
+	;Texture::Normal, Material::02 - Default
+	C: "OP",2188262482752,2188661245104, "3dsMax|main|norm_map"
+	
+	;Texture::Emission, Material::02 - Default
+	C: "OP",2188262481312,2188661245104, "3dsMax|main|emit_color_map"
+	
+	;Texture::Opacity, Material::02 - Default
+	C: "OP",2188262469792,2188661245104, "3dsMax|main|opacity_map"
+	
+	;Video::Albedo, Texture::Albedo
+	C: "OO",2188262470272,2188262484672
+	
+	;Video::Specular, Texture::Specular
+	C: "OO",2188262470752,2188262499552
+	
+	;Video::Glossiness, Texture::Glossiness
+	C: "OO",2188262476032,2188262475552
+	
+	;Video::Occlusion, Texture::Occlusion
+	C: "OO",2188262483232,2188262480352
+	
+	;Video::Normal, Texture::Normal
+	C: "OO",2188262486112,2188262482752
+	
+	;Video::Emission, Texture::Emission
+	C: "OO",2188262486592,2188262481312
+	
+	;Video::Opacity, Texture::Opacity
+	C: "OO",2188262687712,2188262469792
+}

test/unit/utFBXImporterExporter.cpp

@@ -317,3 +317,109 @@ TEST_F(utFBXImporterExporter, importCubesWithOutOfRangeFloat) {
     ASSERT_NE(nullptr, scene);
     ASSERT_TRUE(scene->mRootNode);
 }
+
+TEST_F(utFBXImporterExporter, importMaxPbrMaterialsMetalRoughness) {
+    Assimp::Importer importer;
+    const aiScene *scene = importer.ReadFile(ASSIMP_TEST_MODELS_DIR "/FBX/maxPbrMaterial_metalRough.fbx", aiProcess_ValidateDataStructure);
+    ASSERT_NE(nullptr, scene);
+    ASSERT_TRUE(scene->mRootNode);
+
+    ASSERT_EQ(scene->mNumMaterials, 1);
+    const aiMaterial* mat = scene->mMaterials[0];
+    aiString texture;
+    ASSERT_EQ(mat->Get(AI_MATKEY_TEXTURE(aiTextureType_BASE_COLOR, 0), texture), AI_SUCCESS);
+    EXPECT_EQ(texture, aiString("Textures\\albedo.png"));
+    ASSERT_EQ(mat->Get(AI_MATKEY_TEXTURE(aiTextureType_METALNESS, 0), texture), AI_SUCCESS);
+    EXPECT_EQ(texture, aiString("Textures\\metalness.png"));
+    ASSERT_EQ(mat->Get(AI_MATKEY_TEXTURE(aiTextureType_EMISSION_COLOR, 0), texture), AI_SUCCESS);
+    EXPECT_EQ(texture, aiString("Textures\\emission.png"));
+    ASSERT_EQ(mat->Get(AI_MATKEY_TEXTURE(aiTextureType_NORMAL_CAMERA, 0), texture), AI_SUCCESS);
+    EXPECT_EQ(texture, aiString("Textures\\normal.png"));
+    ASSERT_EQ(mat->Get(AI_MATKEY_TEXTURE(aiTextureType_DIFFUSE_ROUGHNESS, 0), texture), AI_SUCCESS);
+    EXPECT_EQ(texture, aiString("Textures\\roughness.png"));
+    ASSERT_EQ(mat->Get(AI_MATKEY_TEXTURE(aiTextureType_AMBIENT_OCCLUSION, 0), texture), AI_SUCCESS);
+    EXPECT_EQ(texture, aiString("Textures\\occlusion.png"));
+    ASSERT_EQ(mat->Get(AI_MATKEY_TEXTURE(aiTextureType_OPACITY, 0), texture), AI_SUCCESS);
+    EXPECT_EQ(texture, aiString("Textures\\opacity.png"));
+
+    // The material contains values for standard properties (e.g. SpecularColor), where 3ds Max has presumably
+    // used formulas to map the Pbr values into the standard material model. However, the pbr values themselves
+    // are available in the material as untyped "raw" properties. We check that these are correctly parsed:
+
+    aiColor4D baseColor;
+    ASSERT_EQ(mat->Get("$raw.3dsMax|main|basecolor", aiTextureType_NONE, 0, baseColor), aiReturn_SUCCESS);
+    EXPECT_EQ(baseColor, aiColor4D(0, 1, 1, 1));
+
+    float metalness;
+    ASSERT_EQ(mat->Get("$raw.3dsMax|main|metalness", aiTextureType_NONE, 0, metalness), aiReturn_SUCCESS);
+    EXPECT_EQ(metalness, 0.25f);
+
+    float roughness;
+    ASSERT_EQ(mat->Get("$raw.3dsMax|main|roughness", aiTextureType_NONE, 0, roughness), aiReturn_SUCCESS);
+    EXPECT_EQ(roughness, 0.5f);
+
+    int useGlossiness;
+    ASSERT_EQ(mat->Get("$raw.3dsMax|main|useGlossiness", aiTextureType_NONE, 0, useGlossiness), aiReturn_SUCCESS);
+    EXPECT_EQ(useGlossiness, 2); // AFAICT 1 = Roughness map is glossiness, 2 = Roughness map is roughness.
+
+    float bumpMapAmt; // Presumably amount.
+    ASSERT_EQ(mat->Get("$raw.3dsMax|main|bump_map_amt", aiTextureType_NONE, 0, bumpMapAmt), aiReturn_SUCCESS);
+    EXPECT_EQ(bumpMapAmt, 0.75f);
+    
+    aiColor4D emitColor;
+    ASSERT_EQ(mat->Get("$raw.3dsMax|main|emit_color", aiTextureType_NONE, 0, emitColor), aiReturn_SUCCESS);
+    EXPECT_EQ(emitColor, aiColor4D(1, 1, 0, 1));
+}
+
+TEST_F(utFBXImporterExporter, importMaxPbrMaterialsSpecularGloss) {
+    Assimp::Importer importer;
+    const aiScene *scene = importer.ReadFile(ASSIMP_TEST_MODELS_DIR "/FBX/maxPbrMaterial_specGloss.fbx", aiProcess_ValidateDataStructure);
+    ASSERT_NE(nullptr, scene);
+    ASSERT_TRUE(scene->mRootNode);
+
+    ASSERT_EQ(scene->mNumMaterials, 1);
+    const aiMaterial* mat = scene->mMaterials[0];
+    aiString texture;
+    ASSERT_EQ(mat->Get(AI_MATKEY_TEXTURE(aiTextureType_BASE_COLOR, 0), texture), AI_SUCCESS);
+    EXPECT_EQ(texture, aiString("Textures\\albedo.png"));
+    ASSERT_EQ(mat->Get(AI_MATKEY_TEXTURE(aiTextureType_SPECULAR, 0), texture), AI_SUCCESS);
+    EXPECT_EQ(texture, aiString("Textures\\specular.png"));
+    ASSERT_EQ(mat->Get(AI_MATKEY_TEXTURE(aiTextureType_EMISSION_COLOR, 0), texture), AI_SUCCESS);
+    EXPECT_EQ(texture, aiString("Textures\\emission.png"));
+    ASSERT_EQ(mat->Get(AI_MATKEY_TEXTURE(aiTextureType_NORMAL_CAMERA, 0), texture), AI_SUCCESS);
+    EXPECT_EQ(texture, aiString("Textures\\normal.png"));
+    ASSERT_EQ(mat->Get(AI_MATKEY_TEXTURE(aiTextureType_SHININESS, 0), texture), AI_SUCCESS);
+    EXPECT_EQ(texture, aiString("Textures\\glossiness.png"));
+    ASSERT_EQ(mat->Get(AI_MATKEY_TEXTURE(aiTextureType_AMBIENT_OCCLUSION, 0), texture), AI_SUCCESS);
+    EXPECT_EQ(texture, aiString("Textures\\occlusion.png"));
+    ASSERT_EQ(mat->Get(AI_MATKEY_TEXTURE(aiTextureType_OPACITY, 0), texture), AI_SUCCESS);
+    EXPECT_EQ(texture, aiString("Textures\\opacity.png"));
+
+    // The material contains values for standard properties (e.g. SpecularColor), where 3ds Max has presumably
+    // used formulas to map the Pbr values into the standard material model. However, the pbr values themselves
+    // are available in the material as untyped "raw" properties. We check that these are correctly parsed:
+
+    aiColor4D baseColor;
+    ASSERT_EQ(mat->Get("$raw.3dsMax|main|basecolor", aiTextureType_NONE, 0, baseColor), aiReturn_SUCCESS);
+    EXPECT_EQ(baseColor, aiColor4D(0, 1, 1, 1));
+
+    aiColor4D specular;
+    ASSERT_EQ(mat->Get("$raw.3dsMax|main|Specular", aiTextureType_NONE, 0, specular), aiReturn_SUCCESS);
+    EXPECT_EQ(specular, aiColor4D(1, 1, 0, 1));
+
+    float glossiness;
+    ASSERT_EQ(mat->Get("$raw.3dsMax|main|glossiness", aiTextureType_NONE, 0, glossiness), aiReturn_SUCCESS);
+    EXPECT_EQ(glossiness, 0.33f);
+
+    int useGlossiness;
+    ASSERT_EQ(mat->Get("$raw.3dsMax|main|useGlossiness", aiTextureType_NONE, 0, useGlossiness), aiReturn_SUCCESS);
+    EXPECT_EQ(useGlossiness, 1); // AFAICT 1 = Glossiness map is glossiness, 2 = Glossiness map is roughness.
+
+    float bumpMapAmt; // Presumably amount.
+    ASSERT_EQ(mat->Get("$raw.3dsMax|main|bump_map_amt", aiTextureType_NONE, 0, bumpMapAmt), aiReturn_SUCCESS);
+    EXPECT_EQ(bumpMapAmt, 0.66f);
+    
+    aiColor4D emitColor;
+    ASSERT_EQ(mat->Get("$raw.3dsMax|main|emit_color", aiTextureType_NONE, 0, emitColor), aiReturn_SUCCESS);
+    EXPECT_EQ(emitColor, aiColor4D(1, 0, 1, 1));
+}