Function eraseStates

Engine/source/ts/tsShapeEdit.cpp:505–529

/// Erase animation keyframes (translation, rotation etc)
template<class T> S32 eraseStates(Vector<T>& vec, const TSIntegerSet& matters, S32 base, S32 numKeyframes, S32 index=-1)
{
   S32 dest, count;
   if (index == -1)
   {
      // Erase for all nodes/objects
      dest = base;
      count = numKeyframes * matters.count();
   }
   else
   {
      // Erase for the indexed node/object only
      dest = base + matters.count(index)*numKeyframes;
      count = numKeyframes;
   }

   // Erase the values
   if (count)
   {
      if ((dest + count) < vec.size())
         dCopyArray(&vec[dest], &vec[dest + count], vec.size() - (dest + count));
      vec.decrement(count);
   }
   return count;
}

bool TSShape::removeNode(const String& name)
{