#5722: Add openFBX source files - patched to work with zlib instead o…

…f minizip.

LICENSE

@@ -1,4 +1,4 @@
-DarkRadiant License (last update: 2021-05-23)
+DarkRadiant License (last update: 2021-08-22)
 ----------------------------------------------------------------------------------------------
 
 DarkRadiant is free software originally based on GtkRadiant, which has been licensed under
@@ -33,5 +33,6 @@ PicoModel Library - published under the modified Berkeley Software Distribution
 DDS Library - published under the modified Berkeley Software Distribution (BSD) license
 pybind11 Library - see the LICENSE file in the libs/pybind folder
 fmtlib Library - see the LICENSE file in the libs/libfmt folder (BSD 2-clause "Simplified" License)
+OpenFBX library - see the LICENSE file in radiantcore/model/import/openfbx (MIT license)
 SHA256 implementation - by Brad Conte, released into the public domain, see this URL: 
     (https://github.com/B-Con/crypto-algorithms/tree/master#readme)

radiantcore/CMakeLists.txt

@@ -159,6 +159,7 @@ add_library(radiantcore MODULE
             model/import/AseModel.cpp
             model/import/AseModelLoader.cpp
             model/import/ModelImporterBase.cpp
+            model/import/openfbx/ofbx.cpp
             model/picomodel/PicoModelLoader.cpp
             model/picomodel/PicoModelModule.cpp
             model/StaticModel.cpp

radiantcore/model/import/openfbx/LICENSE

@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2017 Mikulas Florek
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.