void CReplay :: BuildReplay( string gameName, string statString, uint32_t war3Version, uint16_t buildNumber )
{
m_War3Version = war3Version;
m_BuildNumber = buildNumber;
m_Flags = 32768;
CONSOLE_Print( "[REPLAY] building replay" );
uint32_t LanguageID = 0x0012F8B0;
BYTEARRAY Replay;
Replay.push_back( 16 ); // Unknown (4.0)
Replay.push_back( 1 ); // Unknown (4.0)
Replay.push_back( 0 ); // Unknown (4.0)
Replay.push_back( 0 ); // Unknown (4.0)
Replay.push_back( 0 ); // Host RecordID (4.1)
Replay.push_back( m_HostPID ); // Host PlayerID (4.1)
UTIL_AppendByteArrayFast( Replay, m_HostName ); // Host PlayerName (4.1)
Replay.push_back( 1 ); // Host AdditionalSize (4.1)
Replay.push_back( 0 ); // Host AdditionalData (4.1)
UTIL_AppendByteArrayFast( Replay, gameName ); // GameName (4.2)
Replay.push_back( 0 ); // Null (4.0)
UTIL_AppendByteArrayFast( Replay, statString ); // StatString (4.3)
UTIL_AppendByteArray( Replay, (uint32_t)m_Slots.size( ), false ); // PlayerCount (4.6)
Replay.push_back( m_MapGameType ); // GameType (4.7)
Replay.push_back( 32 ); // GameType (4.7)
Replay.push_back( 73 ); // GameType (4.7)
Replay.push_back( 0 ); // GameType (4.7)
UTIL_AppendByteArray( Replay, LanguageID, false ); // LanguageID (4.8)
// PlayerList (4.9)
for( vector<PIDPlayer> :: iterator i = m_Players.begin( ); i != m_Players.end( ); i++ )
{
if( (*i).first != m_HostPID )
{
Replay.push_back( 22 ); // Player RecordID (4.1)
Replay.push_back( (*i).first ); // Player PlayerID (4.1)
UTIL_AppendByteArrayFast( Replay, (*i).second ); // Player PlayerName (4.1)
Replay.push_back( 1 ); // Player AdditionalSize (4.1)
Replay.push_back( 0 ); // Player AdditionalData (4.1)
UTIL_AppendByteArray( Replay, (uint32_t)0, false ); // Unknown
}
}
// GameStartRecord (4.10)
Replay.push_back( 25 ); // RecordID (4.10)
UTIL_AppendByteArray( Replay, (uint16_t)( 7 + m_Slots.size( ) * 9 ), false ); // Size (4.10)
Replay.push_back( m_Slots.size( ) ); // NumSlots (4.10)
for( unsigned char i = 0; i < m_Slots.size( ); i++ )
UTIL_AppendByteArray( Replay, m_Slots[i].GetByteArray( ) );
UTIL_AppendByteArray( Replay, m_RandomSeed, false ); // RandomSeed (4.10)
Replay.push_back( m_SelectMode ); // SelectMode (4.10)
Replay.push_back( m_StartSpotCount ); // StartSpotCount (4.10)
// ReplayData (5.0)
Replay.push_back( REPLAY_FIRSTSTARTBLOCK );
UTIL_AppendByteArray( Replay, (uint32_t)1, false );
Replay.push_back( REPLAY_SECONDSTARTBLOCK );
UTIL_AppendByteArray( Replay, (uint32_t)1, false );
// leavers during loading need to be stored between the second and third start blocks
while( !m_LoadingBlocks.empty( ) )
{
UTIL_AppendByteArray( Replay, m_LoadingBlocks.front( ) );
m_LoadingBlocks.pop( );
}
Replay.push_back( REPLAY_THIRDSTARTBLOCK );
UTIL_AppendByteArray( Replay, (uint32_t)1, false );
// initialize replay length to zero
// we'll accumulate the replay length as we iterate through the timeslots
// this is necessary because we might be discarding some timeslots due to not enough checksums and the replay length needs to be accurate
m_ReplayLength = 0;
uint32_t TimeSlotsDiscarded = 0;
bool EndOfTimeSlots = false;
while( !m_Blocks.empty( ) )
{
BYTEARRAY Block = m_Blocks.front( );
m_Blocks.pop( );
if( Block.size( ) >= 5 && Block[0] == REPLAY_TIMESLOT )
{
uint16_t TimeIncrement = UTIL_ByteArrayToUInt16( Block, false, 3 );
if( TimeIncrement != 0 && m_CheckSums.empty( ) )
EndOfTimeSlots = true;
if( EndOfTimeSlots )
{
TimeSlotsDiscarded++;
continue;
}
// append timeslot
UTIL_AppendByteArrayFast( Replay, Block );
// append checksum
// todotodo: after experimenting, Strilanc discovered that checksums are NOT required in replays
// we could optimize saving of replays by building a complete stream without waiting for checksums as the game progresses
// alternatively, we could build that stream as the checksums were added if we wanted to keep them
// rather than building it in one go right now, which might take a few hundred ms and cause a spike in other games
if( TimeIncrement != 0 )
{
BYTEARRAY CheckSum;
CheckSum.reserve( 6 );
CheckSum.push_back( REPLAY_CHECKSUM );
CheckSum.push_back( 4 );
UTIL_AppendByteArray( CheckSum, m_CheckSums.front( ), false );
m_CheckSums.pop( );
UTIL_AppendByteArrayFast( Replay, CheckSum );
}
// accumulate replay length
m_ReplayLength += TimeIncrement;
}
else
UTIL_AppendByteArrayFast( Replay, Block );
}
if( TimeSlotsDiscarded > 0 )
CONSOLE_Print( "[REPLAY] ran out of checksums, discarded " + UTIL_ToString( TimeSlotsDiscarded ) + " timeslots" );
// done
m_Decompressed = string( Replay.begin( ), Replay.end( ) );
}
