TInt YModem::StartDownload(TBool aG, TInt& aLength, TDes& aName)
{
TInt r;
// iImageDeflated vaule is true iff the first call of StartDownload()
// finished AND the ROM Image is deflated.
// Practically when the CloseYModem() called.
if (iImageDeflated)
{
// Read the rest of data to correctly finish Y-Modem protocol
// This is necessary because the deflated ROM IMage size is not
// aligned to 128 or 1024 byte boundary which are transfer block sizes
// the Y-Modem protocol.
// (reuse iHeaderBuf, because it is not necessary anymore)
TUint8* pD=(TUint8*)iHeaderBuf.Ptr();
r=ReadPackets(pD, KHeaderBufferSize);
DEBUG_PRINT((_L("Remaining data :%d, r:%d\r\n"), pD - iHeaderBuf.Ptr(), r ));
}
iInitChar=aG?BIGG:BIGC;
iState=0;
iSeqNum=255;
TUint8* dummy=NULL;
r=ReadPackets(dummy, 0); // read the file description packet
if (r==KErrNone)
{
aLength=iFileSize; // return file name and file size
aName=iFileName;
}
return r;
}
void ServerSideNetworkedGame::Frame(int msec)
{
realtime += msec;
frametime = msec / 1000.0f;
// Read packets from clients
ReadPackets();
// Wait full 100 ms before allowing to send
if(realtime < servertime)
{
// never let the time get too far off
if(servertime - realtime > 100)
{
realtime = servertime - 100;
}
return;
}
// Bump frame number, and calculate new servertime
framenum++;
servertime = framenum * 100;
if(servertime < realtime)
realtime = servertime;
SendCommand();
}
//-----------------------------------------------------------------------------
// Name: empty()
// Desc:
//-----------------------------------------------------------------------------
void CArmyWar::RunNetwork(int msec)
{
static int time = 0;
time += msec;
// Framerate is too high
if(time < (1000 / 60))
return;
frametime = time / 1000.0f;
time = 0;
// Read packets from server, and send new commands
ReadPackets();
SendCommand();
int ack = networkClient->GetIncomingAcknowledged();
int current = networkClient->GetOutgoingSequence();
// Check that we haven't gone too far
if(current - ack > COMMAND_HISTORY_SIZE)
return;
// Predict the frames that we are waiting from the server
for(int a = ack + 1; a < current; a++)
{
int prevframe = (a-1) & (COMMAND_HISTORY_SIZE-1);
int frame = a & (COMMAND_HISTORY_SIZE-1);
PredictMovement(prevframe, frame);
}
MoveObjects();
}
void CBaseServer::PreFrame()
{
// Check timeouts
CheckTimeouts();
// Get packets from clients
ReadPackets();
// update ping based on the last known frame from all clients
//SV_CalcPings();
// give the clients some timeslices
//SV_GiveMsec();
// Toggle the log buffer if full
//SV_CheckLog();
};
void ClientSideNetworkedGame::RunNetwork(int msec)
{
static int time = 0;
time += msec;
// Framerate is too high
if(time < (1000 / 60)) {
MovePlayer();
moveRemotePlayers();
//do we need to move remote players here?? also..
return;
}
frametime = time / 1000.0f;
time = 0;
// Read packets from server, and send new commands
ReadPackets();
SendCommand();
int ack = networkClient->GetIncomingAcknowledged();
int current = networkClient->GetOutgoingSequence();
//iam going to put the following in Game.cpp's game loop...
// Check that we haven't gone too far
if(current - ack > COMMAND_HISTORY_SIZE)
return;
// Predict the frames that we are waiting from the server
for(int a = ack + 1; a < current; a++)
{
int prevframe = (a-1) & (COMMAND_HISTORY_SIZE-1);
int frame = a & (COMMAND_HISTORY_SIZE-1);
PredictMovement(prevframe, frame);
}
MoveObjects();
}
TInt YModem::GetInnerCompression(TBool &aImageDeflated, TBool &aRomLoaderHeaderExists)
{
// Read, analyse and buffer ROM Image Header
DEBUG_PRINT((_L(">>YModem::GetInnerCompression()\r\n")))
// Try to read first 1k from the ROM Image
iDataSizeInPuffer = KHeaderBufferSize;
TUint8* pD=(TUint8*)iHeaderBuf.Ptr();
TInt r=ReadPackets(pD, iDataSizeInPuffer);
DEBUG_PRINT((_L("r:%d (0x%08x).\r\n"), r, r));
DEBUG_PRINT((_L("pD->:0x%08x.\r\n"), (TUint8*)pD));
DEBUG_PRINT((_L("iHeaderBuf.Ptr()->:0x%08x.\r\n"), (TUint8*)iHeaderBuf.Ptr()));
DEBUG_PRINT((_L("iDataSizeInPuffer:%d (0x%08x).\r\n"), iDataSizeInPuffer, iDataSizeInPuffer));
if( iDataSizeInPuffer != pD - iHeaderBuf.Ptr())
{
BOOT_FAULT();
}
// Analyse the inner compression method
const TUint8 * romLoaderSignature1 = (const TUint8*)"EPOC";
const TUint8 * romLoaderSignature2 = (const TUint8*)"ROM";
pD = (TUint8*)iHeaderBuf.Ptr();
r = KErrNone;
// Check headers
TRomHeader* romHeader= (TRomHeader *)pD;
DEBUG_PRINT((_L("pD ->:0x%08x.\r\n"), (TUint8*)pD));
DEBUG_PRINT((_L("romHeader->:0x%08x.\r\n"), (TUint8*)romHeader));
aRomLoaderHeaderExists = EFalse;
if( !memcmp1(pD, romLoaderSignature1, 4) && !memcmp1((pD+8), romLoaderSignature2, 3) )
{
// We have TRomLoaderHeader skip it
romHeader = (TRomHeader *) (pD +TROM_LOADER_HEADER_SIZE);
aRomLoaderHeaderExists = ETrue;
}
DEBUG_PRINT((_L("TRomLoaderHeader exists:%d.\r\n"), aRomLoaderHeaderExists));
DEBUG_PRINT((_L("romHeader->:0x%08x (0x%08x).\r\n"), (TUint8*)romHeader, (TUint8*)romHeader-pD));
if(romHeader->iCompressionType == 0 )
{
aImageDeflated = EFalse;
}
else if (romHeader->iCompressionType == KUidCompressionDeflate )
{
iImageDeflated = aImageDeflated = ETrue;
}
else
{
PrintToScreen(_L("Not supported compression method:0x%08x\r\n"), romHeader->iCompressionType);
r = KErrNotSupported;
}
DEBUG_PRINT((_L("iCompressionType :0x%08x\r\n"), romHeader->iCompressionType));
DEBUG_PRINT((_L("iCompressedSize :0x%08x\r\n"), romHeader->iCompressedSize));
DEBUG_PRINT((_L("iUncompressedSize:0x%08x\r\n"), romHeader->iUncompressedSize));
// Buffer it.
iHeaderStored = true;
DEBUG_PRINT((_L("<<YModem::GetInnerCompression():%d\r\n"), r))
return r;
}