SceneGraph: renamed Animable::group() to Animable::animables().

Fixes ambiguous case when inheriting multiple grouped features in a
single object. The original functions are now aliases to the new ones,
are marked as deprecated and will be removed in future release.

src/SceneGraph/Animable.h

@@ -216,12 +216,28 @@ template<UnsignedInt dimensions, class T> class MAGNUM_SCENEGRAPH_EXPORT Animabl
         }
 
         /**
-         * @brief %Animable group containing this animable
+         * @brief Group containing this animable
          *
          * If the animable doesn't belong to any group, returns `nullptr`.
          */
-        AnimableGroup<dimensions, T>* group();
-        const AnimableGroup<dimensions, T>* group() const; /**< @overload */
+        AnimableGroup<dimensions, T>* animables();
+        const AnimableGroup<dimensions, T>* animables() const; /**< @overload */
+
+        #ifdef MAGNUM_BUILD_DEPRECATED
+        /**
+         * @copydoc animables()
+         * @deprecated Use @ref Magnum::SceneGraph::Animable::animables() "animables()"
+         *      instead.
+         */
+        AnimableGroup<dimensions, T>* group() { return animables(); }
+
+        /**
+         * @copydoc animables()
+         * @deprecated Use @ref Magnum::SceneGraph::Animable::animables() "animables()"
+         *      instead.
+         */
+        const AnimableGroup<dimensions, T>* group() const { return animables(); }
+        #endif
 
     protected:
         /**

src/SceneGraph/Animable.hpp

@@ -47,16 +47,16 @@ template<UnsignedInt dimensions, class T> Animable<dimensions, T>& Animable<dime
         return *this;
 
     /* Wake up the group in case no animations are running */
-    group()->wakeUp = true;
+    animables()->wakeUp = true;
     currentState = state;
     return *this;
 }
 
-template<UnsignedInt dimensions, class T> AnimableGroup<dimensions, T>* Animable<dimensions, T>::group() {
+template<UnsignedInt dimensions, class T> AnimableGroup<dimensions, T>* Animable<dimensions, T>::animables() {
     return static_cast<AnimableGroup<dimensions, T>*>(AbstractGroupedFeature<dimensions, Animable<dimensions, T>, T>::group());
 }
 
-template<UnsignedInt dimensions, class T> const AnimableGroup<dimensions, T>* Animable<dimensions, T>::group() const {
+template<UnsignedInt dimensions, class T> const AnimableGroup<dimensions, T>* Animable<dimensions, T>::animables() const {
     return static_cast<const AnimableGroup<dimensions, T>*>(AbstractGroupedFeature<dimensions, Animable<dimensions, T>, T>::group());
 }