allow partial morph animations

ios/include/AssetManager.hpp

@@ -45,9 +45,11 @@ namespace polyvox {
                 EntityId entityId,
                 const char* entityName,
                 const float* const morphData,
-                int numMorphWeights, 
+                const int* const morphIndices, 
+                int numMorphTargets,
                 int numFrames, 
                 float frameLengthInMs);
+                
             void setMorphTargetWeights(EntityId entityId, const char* const entityName, const float* const weights, int count);
 
             bool setBoneAnimationBuffer(

ios/include/PolyvoxFilamentApi.h

@@ -54,9 +54,11 @@ bool set_morph_animation(
     EntityId asset,
     const char *const entityName,
     const float *const morphData,
-    int numMorphWeights,
+    const int* const morphIndices,
+    int numMorphTargets,
     int numFrames,
     float frameLengthInMs);
+
 void set_bone_animation(
     void* assetManager,
     EntityId asset, 

ios/include/SceneAsset.hpp

@@ -52,7 +52,7 @@ namespace polyvox {
         int mNumFrames = -1;
         float mFrameLengthInMs = 0;
         vector<float> mFrameData;
-        int mNumMorphWeights = 0;
+        vector<int> mMorphIndices;
     };
 
     //