Combine all versions into a single tree

src/main/java/com/replaymod/replay/camera/SpectatorCameraController.java

@@ -41,9 +41,14 @@ public class SpectatorCameraController implements CameraController {
             if (view instanceof EntityPlayer) {
                 EntityPlayer viewPlayer = (EntityPlayer) view;
                 camera.inventory = viewPlayer.inventory;
+                //#if MC>=10904
                 camera.itemStackMainHand = viewPlayer.itemStackMainHand;
                 camera.swingingHand = viewPlayer.swingingHand;
                 camera.activeItemStackUseCount = viewPlayer.activeItemStackUseCount;
+                //#else
+                //$$ camera.itemInUse = viewPlayer.itemInUse;
+                //$$ camera.itemInUseCount = viewPlayer.itemInUseCount;
+                //#endif
             }
         }
     }