GPU skinning refactoring

src/Character.h

@@ -70,8 +70,8 @@ public:
     bool canAttack = false;
     Character* attackTarget = nullptr;
     bool isPlayer = false;
-    bool useGpuSkinning = true;
-    //bool useGpuSkinning = false;
+    //bool useGpuSkinning = true;
+    bool useGpuSkinning = false;
 
     float interactionRadius = 0.0f;
 
@@ -97,6 +97,8 @@ private:
     // if the requested state has no loaded animation.
     AnimationState resolveActiveState() const;
 
+    bool prepareGpuSkinning();
+
     // GPU skinning: draw using shader-based skinning
     void drawGpuSkinning(Renderer& renderer);
     // Shadow: draw into depth map (no texture, no projection push)