Changeset 7559 in orxonox.OLD for branches/network/src/lib/network/synchronizeable.cc

Timestamp:

May 10, 2006, 12:11:43 AM (18 years ago)

Author:

patrick

Message:

network: added some comments and found some small bugs

File:

• branches/network/src/lib/network/synchronizeable.cc (modified) (3 diffs)

branches/network/src/lib/network/synchronizeable.cc

@@ -89 +89 @@
 /**
  * get the diff to last acked state of userId
+ *
+ * each synchrinizeable defines its own stack of states received and sent over the network. The stack contains
+ * a per user entry for the last sent/received state This function returns a delta compressed state of the
+ * synchronizeable. This state will be transmitted over the network to the other participants
+ *
  * @param userId user to create diff for
  * @param data buffer to copy diff in
  * @param maxLength max bytes to copy into data
  * @param stateId id of current state
+ * @param fromStateId the reference state for the delta state
  * @param priorityTH tells getStateDiff to not send element with priority \< priorityTH
  * @return n bytes copied into data
@@ -115 +121 @@
   while ( it != sentStates[userId].end() && (*it)->stateId < fromStateId )
     it++;
-
-  if ( it != sentStates[userId].begin() )
+  ///FIXED: altered begin() -> end()
+  if ( it != sentStates[userId].end() )
   {
     for ( StateHistory::iterator it2 = sentStates[userId].begin(); it2 != it; it2++ )
@@ -160 +166 @@
   int n;
 
+  // now do the actual synchronization: kick all variables to write into a common buffer
   for ( SyncVarList::iterator it = syncVarList.begin(); it != syncVarList.end(); it++ )
   {