store and load Fbx Export Settings from a mel script

mel script stored inside Unity project.

Author: vkovec

Assets/FbxExporters/Editor/InstallIntegration.cs

@@ -14,6 +14,8 @@ class Integrations
         private const string VERSION_TAG = "{Version}";
         private const string PROJECT_TAG = "{UnityProject}";
 
+        private const string FBX_EXPORT_SETTINGS_PATH = "Integrations/Autodesk/maya2017/scripts/unityFbxExportSettings.mel";
+
         public class MayaException : System.Exception {
             public MayaException() { }
             public MayaException(string message) : base(message) { }
@@ -175,8 +177,8 @@ static string AskVersion(string exePath) {
 #endif
 
         private static string MAYA_COMMANDS { get {
-            return string.Format("configureUnityOneClick {0}{1}{0} {0}{2}{0} {0}{3}{0} {4}; scriptJob -idleEvent quit;",
-                    ESCAPED_QUOTE, GetProjectPath(), GetAppPath(), GetTempSavePath(), (IsHeadlessInstall()?1:0));
+                return string.Format("configureUnityOneClick {0}{1}{0} {0}{2}{0} {0}{3}{0} {0}{4}{0} {5}; scriptJob -idleEvent quit;",
+                    ESCAPED_QUOTE, GetProjectPath(), GetAppPath(), GetTempSavePath(), GetExportSettingsPath(), (IsHeadlessInstall()?1:0));
         }}
         private static Char[] FIELD_SEPARATORS = new Char[] {':'};
 
@@ -249,6 +251,12 @@ public static string GetTempSavePath()
             return System.IO.Path.Combine(Application.dataPath, FbxExporters.Review.TurnTable.TempSavePath).Replace("\\", "/");
         }
 
+        public static string GetExportSettingsPath()
+        {
+            return System.IO.Path.Combine (Application.dataPath,
+                FBX_EXPORT_SETTINGS_PATH).Replace ("\\", "/");
+        }
+
         public static string GetPackageVersion()
         {
             string result = null;

Assets/Integrations/Autodesk/maya2017/scripts/configureUnityOneClick.mel

@@ -1,9 +1,12 @@
-global proc configureUnityOneClick(string $unityProject, string $unityApp, string $unityTempSavePath, int $headless)
+global proc configureUnityOneClick(
+    string $unityProject, string $unityApp,
+    string $unityTempSavePath, string $unityFbxExportSettings, int $headless)
 {
     // configure plugin settings
     optionVar -stringValue "UnityApp" $unityApp;
     optionVar -stringValue "UnityProject" $unityProject;
     optionVar -stringValue "UnityTempSavePath" $unityTempSavePath;
+    optionVar -stringValue "UnityFbxExportSettings" $unityFbxExportSettings;
     optionVar -intValue "UnityOneClick_Headless" $headless;
 
     // configure auto load of plugin

Assets/Integrations/Autodesk/maya2017/scripts/unityFbxExportSettings.mel

@@ -0,0 +1,68 @@
+// Geometry
+FBXExportSmoothingGroups -v false;
+FBXExportTangents -v false;
+FBXExportSmoothMesh -v false; 
+FBXExportInstances -v true; 
+FBXExportReferencedAssetsContent -v false;
+FBXExportTriangulate -v false;
+
+// Animation
+FBXExportAnimationOnly -v false;
+
+// Animation: Extra Options
+FBXExportUseSceneName -v false;
+FBXExportQuaternion -v resample;
+
+// Animation: Bake Animation
+FBXExportBakeComplexAnimation -v true;
+FBXExportBakeComplexStart -v 1;
+FBXExportBakeComplexEnd -v 200;
+FBXExportBakeComplexStep -v 1;
+FBXExportBakeResampleAnimation -v false;
+
+// Animation: Deformed Models
+FBXExportSkins -v true;
+FBXExportShapes -v true;
+
+FBXExportApplyConstantKeyReducer -v false;
+
+// Geometry Cache File(s)
+FBXExportCacheFile -v false;
+//FBXExportQuickSelectSetAsCache �v "";
+
+// Constraints
+FBXExportConstraints -v false;
+FBXExportSkeletonDefinitions -v false;
+
+FBXExportCameras -v false; 
+FBXExportLights -v false; 
+
+FBXExportEmbeddedTextures -v false;
+FBXExportInputConnections -v true; 
+
+// Units
+FBXExportScaleFactor 1;
+FBXExportConvertUnitString cm;
+
+// Axis Conversion
+FBXExportUpAxis y;
+
+FBXExportGenerateLog -v true;
+
+// FBX file format
+FBXExportInAscii -v false; 
+FBXExportFileVersion -v FBX201600;
+
+// Misc
+FBXExportHardEdges -v false;
+FBXExportAxisConversionMethod none;
+
+FBXExportColladaFrameRate 30;
+FBXExportColladaSingleMatrix false;
+FBXExportColladaTriangulate false;
+
+// Mac and Linux only
+if (`about -linux` || `about -macOS`){
+    FBXExportDxfTriangulate false; 
+    FBXExportDxfDeformation false;
+}

Assets/Integrations/Autodesk/maya2017/scripts/unityOneClick/commands.py

@@ -32,6 +32,8 @@
 ctypes.pythonapi.PyCObject_AsVoidPtr.restype = ctypes.c_void_p
 ctypes.pythonapi.PyCObject_AsVoidPtr.argtypes = [ctypes.py_object]
 
+import os
+
 UNITY_FBX_FILE_PATH = None
 UNITY_FBX_FILE_NAME = None
 
@@ -57,7 +59,25 @@ def loadPlugin(self, plugin):
         return True
 
     def loadDependencies(self):
-          return self.loadPlugin('GamePipeline.mll')
+        return self.loadPlugin('GamePipeline.mll') and self.loadPlugin('fbxmaya.mll')
+    
+    def loadUnityFbxExportSettings(self):
+        """
+        Load the Export Settings from file
+        """
+        file = maya.cmds.optionVar(q="UnityFbxExportSettings")
+        #unityProjectPath = maya.cmds.optionVar(q='UnityProject')
+        #file = unityProjectPath + "/Integrations/Autodesk/maya2017/scripts/unityFbxExportSettings.mel"
+        if not os.path.isfile(file):
+            maya.cmds.error("Failed to find Unity Fbx Export Settings at: {0}".format(file))
+            return False
+            
+        with open(file) as f:
+            contents = f.read()
+            
+        maya.mel.eval(contents)
+        return True
+        
 
 class importCmd(BaseCommand):
     """
@@ -103,6 +123,8 @@ def afterImport(self, *args, **kwargs):
         UNITY_FBX_FILE_NAME = self._tempName
 
     def doIt(self, args):
+        self.loadDependencies()
+    
         self._tempPath = None
         self._tempName = None
 
@@ -174,9 +196,12 @@ def doIt(self, args):
         unityProjectPath = maya.cmds.optionVar(q='UnityProject')
         unityTempSavePath = maya.cmds.optionVar(q='UnityTempSavePath')
         unityCommand = "FbxExporters.Review.TurnTable.LastSavedModel"
+        
+        if not self.loadUnityFbxExportSettings():
+            return
 
         # make sure the GamePipeline and fbxmaya plugins are loaded
-        if self.loadDependencies() and self.loadPlugin('fbxmaya.mll'):
+        if self.loadDependencies():
             # save fbx to Assets/_safe_to_delete/
             savePath = unityTempSavePath
             maya.cmds.sysFile(savePath, makeDir=True)
@@ -247,6 +272,9 @@ def doIt(self, args):
         if not self.loadDependencies():
             return
 
+        if not self.loadUnityFbxExportSettings():
+            return
+            
         global UNITY_FBX_FILE_PATH
         global UNITY_FBX_FILE_NAME
         if UNITY_FBX_FILE_PATH and UNITY_FBX_FILE_NAME: