Lots of work on debugging diff xmit

luprex/core/cpp/animqueue.hpp

@@ -52,6 +52,7 @@
 #include <ostream>
 #include <unordered_map>
 #include "streambuffer.hpp"
+#include "debugcollector.hpp"
 #include "util.hpp"
 
 
@@ -174,6 +175,7 @@ public:
     size_t size() const { return steps_.size(); }
     int32_t size_limit() const { return size_limit_; }
     int64_t version_number() const { return version_number_; }
+    bool version_identical(const AnimQueue &aq) const;
 
     // Return true if the size limit and steps are identical.
     bool size_and_steps_equal(const AnimQueue &aq) const;
@@ -193,9 +195,8 @@ public:
     void deserialize(StreamBuffer *sb);
 
     // Difference transmission
-    bool need_patch(const AnimQueue &auth) const;
-    void diff(const AnimQueue &auth, StreamBuffer *sb) const;
-    void patch(StreamBuffer *sb);
+    bool diff(const AnimQueue &auth, StreamBuffer *sb) const;
+    void patch(StreamBuffer *sb, DebugCollector *dbc);
     void update_version(const AnimQueue &auth);
     
     // Get the final resting place after all animations are complete.