Changeset 12027 for code/branches/mergeFS18/src/libraries/network/packet/Gamestate.cc

Timestamp:

Oct 10, 2018, 3:06:55 PM (6 years ago)

Author:

merholzl

Message:

Merged Masterserver, refresh button had to be removed

Location:

code/branches/mergeFS18

Files:

• . (modified) (1 prop)
• src/libraries/network/packet/Gamestate.cc (modified) (13 diffs)

code/branches/mergeFS18/src/libraries/network/packet/Gamestate.cc

@@ -46 +46 @@
 #define GAMESTATE_START(data) (data + GamestateHeader::getSize())
 
-// #define PACKET_FLAG_GAMESTATE  PacketFlag::Reliable
 #define PACKET_FLAG_GAMESTATE  0
 
@@ -102 +101 @@
 }
 
-
+//AV: This takes all synchronisables and packs it in a GameState, to be sent over the network
 bool Gamestate::collectData(int id, uint8_t mode)
 {
@@ -128 +127 @@
   for(it = ObjectList<Synchronisable>().begin(); it; ++it)
   {
-
-//     tempsize=it->getSize(id, mode);
 
     tempsize = it->getData(mem, this->sizes_, id, mode);
@@ -173 +170 @@
 }
 
-
+//AV: This takes the Gamestate received from the network and "unpacks" it back to a list of Objects/Synchronisables, thus updating the data
 bool Gamestate::spreadData(uint8_t mode)
 {
@@ -196 +193 @@
       else
       {
-//         orxout(verbose, context::packets) << "not creating object of classid " << objectheader.getClassID() << endl;
         mem += objectheader.getDataSize() + ( objectheader.isDiffed() ? SynchronisableHeaderLight::getSize() : SynchronisableHeader::getSize() );
       }
@@ -202 +198 @@
     else
     {
-//       orxout(verbose, context::packets) << "updating object of classid " << objectheader.getClassID() << endl;
       OrxVerify(s->updateData(mem, mode), "ERROR: could not update Synchronisable with Gamestate data");
     }
   }
   assert((uintptr_t)(mem-data_) == GamestateHeader::getSize()+header_.getDataSize());
-  
-   // In debug mode, check first, whether there are no duplicate objectIDs
-#ifndef NDEBUG
-  if(this->getID()%1000==1)
-  {
-    std::list<uint32_t> v1;
-    for (Synchronisable* synchronisable : ObjectList<Synchronisable>())
-    {
-      if (synchronisable->getObjectID() == OBJECTID_UNKNOWN)
-      {
-        if (synchronisable->objectMode_ != 0x0)
-        {
-          orxout(user_error, context::packets) << "Found object with OBJECTID_UNKNOWN on the client with objectMode != 0x0!" << endl;
-          orxout(user_error, context::packets) << "Possible reason for this error: Client created a synchronized object without the Server's approval." << endl;
-          orxout(user_error, context::packets) << "Objects class: " << synchronisable->getIdentifier()->getName() << endl;
-          assert(false);
-        }
-      }
-      else
-      {
-        for (uint32_t id : v1)
-        {
-          if (synchronisable->getObjectID() == id)
-          {
-            orxout(user_error, context::packets) << "Found duplicate objectIDs on the client!" << endl
-                                                 << "Are you sure you don't create a Sychnronisable objcect with 'new' \
-                                                     that doesn't have objectMode = 0x0?" << endl;
-            assert(false);
-          }
-        }
-        v1.push_back(synchronisable->getObjectID());
-      }
-    }
-  }
-#endif
   return true;
 }
@@ -276 +236 @@
 }
 
-
+//AV: This function takes the Gamestate and compresses it for transmission over the network
 bool Gamestate::compressData()
 {
@@ -313 +273 @@
 }
 
-
+//AV: This function takes the compressed Gamestate received from the network and decompresses it for further unpacking
 bool Gamestate::decompressData()
 {
@@ -374 +334 @@
   if( memcmp( origDataPtr+objectOffset, baseDataPtr+objectOffset, objectHeader.getDataSize()) == 0 )
   {
-//     orxout(verbose, context::packets) << "skip object " << Synchronisable::getSynchronisable(objectHeader.getObjectID())->getIdentifier()->getName() << endl;
     origDataPtr += objectOffset + objectHeader.getDataSize(); // skip the whole object
     baseDataPtr += objectOffset + objectHeader.getDataSize();
@@ -430 +389 @@
 inline void /*Gamestate::*/copyObject( uint8_t*& newData, uint8_t*& origData, uint8_t*& baseData, SynchronisableHeader& objectHeader, std::vector<uint32_t>::iterator& sizes )
 {
-  //       orxout(verbose, context::packets) << "docopy" << endl;
   // Just copy over the whole Object
   memcpy( newData, origData, objectHeader.getDataSize()+SynchronisableHeader::getSize() );
@@ -437 +395 @@
   newData += objectHeader.getDataSize()+SynchronisableHeader::getSize();
   origData += objectHeader.getDataSize()+SynchronisableHeader::getSize();
-//   SynchronisableHeader baseHeader( baseData );
-//   baseData += baseHeader.getDataSize()+SynchronisableHeader::getSize();
-  //       orxout(verbose, context::packets) << "copy " << h.getObjectID() << endl;
-  //       orxout(verbose, context::packets) << "copy " << h.getObjectID() << ":";
+
   sizes += Synchronisable::getSynchronisable(objectHeader.getObjectID())->getNrOfVariables();
-//   for( unsigned int i = 0; i < Synchronisable::getSynchronisable(objectHeader.getObjectID())->getNrOfVariables(); ++i )
-//   {
-//     //         orxout(verbose, context::packets) << " " << *sizes;
-//     ++sizes;
-//   }
-    //       orxout(verbose, context::packets) << endl;
+
 }
 
@@ -501 +451 @@
   uint8_t *origDataEnd = origDataPtr + header_.getDataSize();
   uint8_t *baseDataEnd = baseDataPtr + base->header_.getDataSize();
-//   uint32_t origLength = header_.getDataSize();
-//   uint32_t baseLength = base->header_.getDataSize();
+
 
   // Allocate new space for diffed gamestate
@@ -595 +544 @@
 
 
-/*Gamestate* Gamestate::diffData(Gamestate *base)
-{
-  assert(this && base); assert(data_ && base->data_);
-  assert(!header_.isCompressed() && !base->header_.isCompressed());
-  assert(!header_.isDiffed());
-
-  uint8_t *basep = GAMESTATE_START(base->data_);
-  uint8_t *gs = GAMESTATE_START(this->data_);
-  uint32_t dest_length = header_.getDataSize();
-
-  if(dest_length==0)
-    return nullptr;
-
-  uint8_t *ndata = new uint8_t[dest_length*sizeof(uint8_t)+GamestateHeader::getSize()];
-  uint8_t *dest = GAMESTATE_START(ndata);
-
-  rawDiff( dest, gs, basep, header_.getDataSize(), base->header_.getDataSize() );
-#ifndef NDEBUG
-  uint8_t *dest2 = new uint8_t[dest_length];
-  rawDiff( dest2, dest, basep, header_.getDataSize(), base->header_.getDataSize() );
-  assert( memcmp( dest2, gs, dest_length) == 0 );
-  delete dest2;
-#endif
-
-  Gamestate *g = new Gamestate(ndata, getClientID());
-  assert(g->header_);
-  *(g->header_) = *header_;
-  g->header_.setDiffed( true );
-  g->header_.setBaseID( base->getID() );
-  g->flags_=flags_;
-  g->packetDirection_ = packetDirection_;
-  assert(g->isDiffed());
-  assert(!g->isCompressed());
-  return g;
-}
-
-
-Gamestate* Gamestate::undiff(Gamestate *base)
-{
-  assert(this && base); assert(data_ && base->data_);
-  assert(!header_.isCompressed() && !base->header_.isCompressed());
-  assert(header_.isDiffed());
-
-  uint8_t *basep = GAMESTATE_START(base->data_);
-  uint8_t *gs = GAMESTATE_START(this->data_);
-  uint32_t dest_length = header_.getDataSize();
-
-  if(dest_length==0)
-    return nullptr;
-
-  uint8_t *ndata = new uint8_t[dest_length*sizeof(uint8_t)+GamestateHeader::getSize()];
-  uint8_t *dest = ndata + GamestateHeader::getSize();
-
-  rawDiff( dest, gs, basep, header_.getDataSize(), base->header_.getDataSize() );
-
-  Gamestate *g = new Gamestate(ndata, getClientID());
-  assert(g->header_);
-  *(g->header_) = *header_;
-  g->header_.setDiffed( false );
-  g->flags_=flags_;
-  g->packetDirection_ = packetDirection_;
-  assert(!g->isDiffed());
-  assert(!g->isCompressed());
-  return g;
-}
-
-
-void Gamestate::rawDiff( uint8_t* newdata, uint8_t* data, uint8_t* basedata, uint32_t datalength, uint32_t baselength)
-{
-  uint64_t* gd = (uint64_t*)data;
-  uint64_t* bd = (uint64_t*)basedata;
-  uint64_t* nd = (uint64_t*)newdata;
-
-  unsigned int i;
-  for( i=0; i<datalength/8; i++ )
-  {
-    if( i<baselength/8 )
-      *(nd+i) = *(gd+i) ^ *(bd+i);  // xor the data
-    else
-      *(nd+i) = *(gd+i); // just copy over the data
-  }
-  unsigned int j;
-  // now process the rest (when datalength isn't a multiple of 4)
-  for( j = 8*(datalength/8); j<datalength; j++ )
-  {
-    if( j<baselength )
-      *(newdata+j) = *(data+j) ^ *(basedata+j); // xor
-    else
-      *(newdata+j) = *(data+j); // just copy
-  }
-  assert(j==datalength);
-}*/
-
-
-/*Gamestate* Gamestate::doSelection(unsigned int clientID, unsigned int targetSize){
-  assert(data_);
-  std::list<obj>::iterator it;
-
-  // allocate memory for new data
-  uint8_t *gdata = new uint8_t[header_.getDataSize()+GamestateHeader::getSize()];
-  // create a gamestate out of it
-  Gamestate *gs = new Gamestate(gdata);
-  uint8_t *newdata = gdata + GamestateHeader::getSize();
-  uint8_t *origdata = GAMESTATE_START(data_);
-
-  //copy the GamestateHeader
-  assert(gs->header_);
-  *(gs->header_) = *header_;
-
-  uint32_t objectOffset;
-  unsigned int objectsize, destsize=0;
-  // TODO: Why is this variable not used?
-  //Synchronisable *object;
-
-  //call TrafficControl
-  TrafficControl::getInstance()->processObjectList( clientID, header_.getID(), dataVector_ );
-
-  //copy in the zeros
-//   std::list<obj>::iterator itt;
-//   orxout() << "myvector contains:";
-//   for ( itt=dataVector_.begin() ; itt!=dataVector_.end(); itt++ )
-//     orxout() << " " << (*itt).objID;
-//   orxout() << endl;
-  for(it=dataVector_.begin(); it!=dataVector_.end();){
-    SynchronisableHeader oldobjectheader(origdata);
-    SynchronisableHeader newobjectheader(newdata);
-    if ( (*it).objSize == 0 )
-    {
-      ++it;
-      continue;
-    }
-    objectsize = oldobjectheader.getDataSize()+SynchronisableHeader::getSize();
-    objectOffset=SynchronisableHeader::getSize(); //skip the size and the availableData variables in the objectheader
-    if ( (*it).objID == oldobjectheader.getObjectID() ){
-      memcpy(newdata, origdata, objectsize);
-      ++it;
-    }else{
-      newobjectheader = oldobjectheader;
-      memset(newdata+objectOffset, 0, objectsize-objectOffset);
-    }
-    newdata += objectsize;
-    origdata += objectsize;
-    destsize += objectsize;
-  }
-#ifndef NDEBUG
-  uint32_t origsize = destsize;
-  while ( origsize < header_.getDataSize() )
-  {
-    SynchronisableHeader oldobjectheader(origdata);
-    objectsize = oldobjectheader.getDataSize()+SynchronisableHeader::getSize();
-    origdata += objectsize;
-    origsize += objectsize;
-  }
-  assert(origsize==header_.getDataSize());
-  assert(destsize!=0);
-#endif
-  gs->header_.setDataSize( destsize );
-  return gs;
-}*/
-
-
 uint32_t Gamestate::calcGamestateSize(uint32_t id, uint8_t mode)
 {