SpriteHandler.h:

* Added BitmapSprite functions flip_ud() and flip_lr() which takes no sim_frame arguments and which flips all the frames in the sprite.

SpriteHandler.h

@@ -439,6 +439,13 @@ class BitmapSprite : public Sprite
     }
   }
 
+  void flip_ud()
+  {
+    auto num_frames = stlutils::sizeI(texture_frames);
+    for (int anim_frame = 0; anim_frame < num_frames; ++anim_frame)
+      flip_ud(anim_frame);
+  }
+
   void flip_lr(int anim_frame)
   {
     auto* texture = fetch_frame(anim_frame);
@@ -456,6 +463,13 @@ class BitmapSprite : public Sprite
     }
   }
 
+  void flip_lr()
+  {
+    auto num_frames = stlutils::sizeI(texture_frames);
+    for (int anim_frame = 0; anim_frame < num_frames; ++anim_frame)
+      flip_lr(anim_frame);
+  }
+
   drawing::Texture* get_curr_frame(int sim_frame) const
   {
     int frame_id = func_calc_anim_frame(sim_frame);