Initial FBX Export Support, sponsored by MyDidimo (mydidimo.com).

Supports:
 * mesh data with normals and uvs
 * lambert and phong materials
 * file textures
 * bones / skeletons
 * skinning

Does not yet support:
 * animations
 * cameras
 * lights
 * embedded textures

CREDITS

@@ -157,12 +157,27 @@ Contributed ExportProperties interface
 Contributed X File exporter
 Contributed Step (stp) exporter
 
+- Thomas Iorns (mesilliac)
+Initial FBX Export support
+
 For a more detailed list just check: https://github.com/assimp/assimp/network/members
 
-Patreons:
+
+========
+Patreons
+========
+
+Huge thanks to our Patreons!
+
 - migenius
 - Marcus
 - Cort
 - elect
 - Steffen
 
+
+===================
+Commercial Sponsors
+===================
+
+- MyDidimo (mydidimo.com): Sponsored development of FBX Export support

code/CMakeLists.txt

@@ -522,6 +522,13 @@ ADD_ASSIMP_IMPORTER( FBX
   FBXDeformer.cpp
   FBXBinaryTokenizer.cpp
   FBXDocumentUtil.cpp
+  FBXExporter.h
+  FBXExporter.cpp
+  FBXExportNode.h
+  FBXExportNode.cpp
+  FBXExportProperty.h
+  FBXExportProperty.cpp
+  FBXCommon.h
 )
 
 SET( PostProcessing_SRCS
@@ -641,7 +648,7 @@ ADD_ASSIMP_IMPORTER( X
   XFileExporter.cpp
 )
 
-ADD_ASSIMP_IMPORTER(X3D
+ADD_ASSIMP_IMPORTER( X3D
   X3DExporter.cpp
   X3DExporter.hpp
   X3DImporter.cpp

code/Exporter.cpp

@@ -97,6 +97,8 @@ void ExportSceneGLB2(const char*, IOSystem*, const aiScene*, const ExportPropert
 void ExportSceneAssbin(const char*, IOSystem*, const aiScene*, const ExportProperties*);
 void ExportSceneAssxml(const char*, IOSystem*, const aiScene*, const ExportProperties*);
 void ExportSceneX3D(const char*, IOSystem*, const aiScene*, const ExportProperties*);
+void ExportSceneFBX(const char*, IOSystem*, const aiScene*, const ExportProperties*);
+//void ExportSceneFBXA(const char*, IOSystem*, const aiScene*, const ExportProperties*);
 void ExportScene3MF( const char*, IOSystem*, const aiScene*, const ExportProperties* );
 
 // ------------------------------------------------------------------------------------------------
@@ -169,6 +171,11 @@ Exporter::ExportFormatEntry gExporters[] =
     Exporter::ExportFormatEntry( "x3d", "Extensible 3D", "x3d" , &ExportSceneX3D, 0 ),
 #endif
 
+#ifndef ASSIMP_BUILD_NO_FBX_EXPORTER
+    Exporter::ExportFormatEntry( "fbx", "Autodesk FBX (binary)", "fbx", &ExportSceneFBX, 0 ),
+    //Exporter::ExportFormatEntry( "fbxa", "Autodesk FBX (ascii)", "fbx", &ExportSceneFBXA, 0 ),
+#endif
+
 #ifndef ASSIMP_BUILD_NO_3MF_EXPORTER
     Exporter::ExportFormatEntry( "3mf", "The 3MF-File-Format", "3mf", &ExportScene3MF, 0 )
 #endif

code/FBXCommon.h

@@ -0,0 +1,86 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2018, assimp team
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+copyright notice, this list of conditions and the
+following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+copyright notice, this list of conditions and the
+following disclaimer in the documentation and/or other
+materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+contributors may be used to endorse or promote products
+derived from this software without specific prior
+written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+
+/** @file FBXCommon.h
+* Some useful constants and enums for dealing with FBX files.
+*/
+#ifndef AI_FBXCOMMON_H_INC
+#define AI_FBXCOMMON_H_INC
+
+#ifndef ASSIMP_BUILD_NO_FBX_EXPORTER
+
+
+namespace FBX
+{
+    const std::string NULL_RECORD = { // 13 null bytes
+        '\0','\0','\0','\0','\0','\0','\0','\0','\0','\0','\0','\0','\0'
+    }; // who knows why
+    const std::string SEPARATOR = {'\x00', '\x01'}; // for use inside strings
+    const std::string MAGIC_NODE_TAG = "_$AssimpFbx$"; // from import
+    const int64_t SECOND = 46186158000; // FBX's kTime unit
+
+    // rotation order. We'll probably use EulerXYZ for everything
+    enum RotOrder {
+        RotOrder_EulerXYZ = 0,
+        RotOrder_EulerXZY,
+        RotOrder_EulerYZX,
+        RotOrder_EulerYXZ,
+        RotOrder_EulerZXY,
+        RotOrder_EulerZYX,
+
+        RotOrder_SphericXYZ,
+
+        RotOrder_MAX // end-of-enum sentinel
+    };
+
+    // transformation inheritance method. Most of the time RSrs
+    enum TransformInheritance {
+        TransformInheritance_RrSs = 0,
+        TransformInheritance_RSrs,
+        TransformInheritance_Rrs,
+
+        TransformInheritance_MAX // end-of-enum sentinel
+    };
+}
+
+#endif // ASSIMP_BUILD_NO_FBX_EXPORTER
+
+#endif // AI_FBXCOMMON_H_INC