chore: early return if VRCSDK project but not VRChat avatar

Editor/Animation/AnimationDatabase.cs

@@ -158,6 +158,7 @@ namespace nadena.dev.modular_avatar.animation
 
 #if MA_VRCSDK3_AVATARS
             var avatarDescriptor = context.AvatarDescriptor;
+            if (!avatarDescriptor) return;
 
             foreach (var layer in avatarDescriptor.baseAnimationLayers)
             {

Editor/Animation/AnimationServicesContext.cs

@@ -92,6 +92,8 @@ namespace nadena.dev.modular_avatar.animation
         public void AddPropertyDefinition(AnimatorControllerParameter paramDef)
         {
 #if MA_VRCSDK3_AVATARS
+            if (!_context.AvatarDescriptor) return;
+
             var fx = (AnimatorController)
                 _context.AvatarDescriptor.baseAnimationLayers
                 .First(l => l.type == VRCAvatarDescriptor.AnimLayerType.FX)

Editor/Animation/AnimationUtil.cs

@@ -53,6 +53,8 @@ namespace nadena.dev.modular_avatar.animation
             // This helps reduce the risk that we'll accidentally modify the original assets.
 
 #if MA_VRCSDK3_AVATARS
+            if (!context.AvatarDescriptor) return;
+
             context.AvatarDescriptor.baseAnimationLayers =
                 CloneLayers(context, context.AvatarDescriptor.baseAnimationLayers);
             context.AvatarDescriptor.specialAnimationLayers =

Editor/Animation/PathMappings.cs

@@ -369,21 +369,24 @@ namespace nadena.dev.modular_avatar.animation
             Profiler.EndSample();
 
 #if MA_VRCSDK3_AVATARS
-            var layers = context.AvatarDescriptor.baseAnimationLayers
+            if (context.AvatarDescriptor)
-                .Concat(context.AvatarDescriptor.specialAnimationLayers);
-
-            Profiler.BeginSample("ApplyMappingsToAvatarMasks");
-            foreach (var layer in layers)
             {
-                ApplyMappingsToAvatarMask(layer.mask);
+                var layers = context.AvatarDescriptor.baseAnimationLayers
+                    .Concat(context.AvatarDescriptor.specialAnimationLayers);
 
-                if (layer.animatorController is AnimatorController ac)
+                Profiler.BeginSample("ApplyMappingsToAvatarMasks");
-                    // By this point, all AnimationOverrideControllers have been collapsed into an ephemeral
+                foreach (var layer in layers)
-                    // AnimatorController so we can safely modify the controller in-place.
+                {
-                    foreach (var acLayer in ac.layers)
+                    ApplyMappingsToAvatarMask(layer.mask);
-                        ApplyMappingsToAvatarMask(acLayer.avatarMask);
+
+                    if (layer.animatorController is AnimatorController ac)
+                        // By this point, all AnimationOverrideControllers have been collapsed into an ephemeral
+                        // AnimatorController so we can safely modify the controller in-place.
+                        foreach (var acLayer in ac.layers)
+                            ApplyMappingsToAvatarMask(acLayer.avatarMask);
+                }
+                Profiler.EndSample();
             }
-            Profiler.EndSample();
 #endif
             
             Profiler.EndSample();

Editor/FixupPasses/FixupExpressionsMenuPass.cs

@@ -19,6 +19,8 @@ namespace nadena.dev.modular_avatar.core.editor
 
         internal static void FixupExpressionsMenu(BuildContext context)
         {
+            if (!context.AvatarDescriptor) return;
+
             context.AvatarDescriptor.customExpressions = true;
 
             var expressionsMenu = context.AvatarDescriptor.expressionsMenu;

Editor/MergeAnimatorProcessor.cs

@@ -65,6 +65,7 @@ namespace nadena.dev.modular_avatar.core.editor
             mergeSessions.Clear();
 
             var descriptor = avatarGameObject.GetComponent<VRCAvatarDescriptor>();
+            if (!descriptor) return;
 
             if (descriptor.baseAnimationLayers != null) InitSessions(descriptor.baseAnimationLayers);
             if (descriptor.specialAnimationLayers != null) InitSessions(descriptor.specialAnimationLayers);

Editor/OptimizationPasses/PruneParametersPass.cs

@@ -9,6 +9,8 @@ namespace nadena.dev.modular_avatar.core.editor
     {
         protected override void Execute(ndmf.BuildContext context)
         {
+            if (!context.AvatarDescriptor) return;
+
             var expParams = context.AvatarDescriptor.expressionParameters;
             if (expParams != null && context.IsTemporaryAsset(expParams))
             {

Editor/ReactiveObjects/AnimationGeneration/ReactiveObjectPass.cs

@@ -34,6 +34,8 @@ namespace nadena.dev.modular_avatar.core.editor
 
         internal void Execute()
         {
+            if (!context.AvatarDescriptor) return;
+
             // Having a WD OFF layer after WD ON layers can break WD. We match the behavior of the existing states,
             // and if mixed, use WD ON to maximize compatibility.
             _writeDefaults = MergeAnimatorProcessor.ProbeWriteDefaults(FindFxController().animatorController as AnimatorController) ?? true;

Editor/RenameParametersHook.cs

@@ -159,6 +159,8 @@ namespace nadena.dev.modular_avatar.core.editor
 
         public void OnPreprocessAvatar(GameObject avatar, BuildContext context)
         {
+            if (!context.AvatarDescriptor) return;
+
             _context = context;
 
             var syncParams = WalkTree(avatar);