//--------------------------------------
void ServerUpdate( float dt )
{
NetClient client;
uint32 commands_in;
uint32 commands_out;
Player* player;
Bullet* b;
// Advance time
gClock->AdvanceTime( dt );
// Update players
UpdatePlayers( gPlayers, dt );
// Update network
gSession->OnUpdate();
// Check packets
while ( gServer.IsDataReady() )
{
// Get next packet
gServer.ReceiveData( gReader, client );
// Get player for this client
player = GetPlayerByID( gPlayers, client.GetID() );
// This client didn't connect correctly!
if ( !player )
{
ConsolePrintf( CONSOLE_WARNING, "Server : Unknown client %u\n", client.GetID() );
continue;
}
// Read commands
commands_in = gReader.Read< uint32 >();
commands_out = 0;
// Client id message
if ( commands_in & NC_HELLO )
{
commands_out |= NC_PLAYER_ID;
commands_out |= NC_ADD;
}
// Client name message
if ( commands_in & NC_NAME )
{
gReader.ReadString( player->name, MAX_NAME_LEN );
ConsolePrintf( "Got name msg: %s\n", player->name );
}
// Client position update
if ( commands_in & NC_LOCATION )
{
player->pos = gReader.Read< Vec2f >();
player->rotation = gReader.Read< float >();
// Replicate location message to other clients
gWriter.Write( (uint32) NC_LOCATION );
gWriter.Write( 1 );
gWriter.Write( player->index );
gWriter.Write( player->pos );
gWriter.Write( player->rotation );
for ( int i = 0; i < MAX_PLAYERS; ++i )
{
if ( gPlayers[i].active && i != player->index )
{
gServer.SendData( PacketWriter( gWriter ), gPlayers[i].address );
}
}
gWriter.Clear();
}
// Client requesting to fire
if ( commands_in & NC_FIRE )
{
// ConsolePrintf( "Server : Got fire command from %u\n", client.GetID() );
b = ServerFire( player );
if ( b )
{
// Replicate fire message to other clients
gWriter.Write( (uint32) NC_FIRE );
gWriter.Write( player->index );
gWriter.Write( b->index );
gWriter.Write( b->vel );
for ( int i = 0; i < MAX_PLAYERS; ++i )
{
if ( gPlayers[i].active )
{
gServer.SendData( PacketWriter( gWriter ), gPlayers[i].address );
}
}
gWriter.Clear();
}
}
// Send commands back to client
if ( commands_out )
{
gWriter.Write( commands_out );
// ID the player
if ( commands_out & NC_PLAYER_ID )
{
gWriter.Write( player->index );
}
// Tell the client about all clients (including them)
if ( commands_out & NC_ADD )
{
gWriter.Write( GetNumActivePlayers( gPlayers ) );
for ( int i = 0; i < MAX_PLAYERS; ++i )
{
if ( gPlayers[i].active )
{
SerializePlayer( &gPlayers[i], gWriter );
}
}
}
// Send command to client
gServer.SendData( gWriter, client.Address, SENDOPT_RELIABLE );
// Tell all other clients about the new player
if ( commands_out & NC_ADD )
{
commands_out = NC_ADD;
gWriter.Write( commands_out );
gWriter.Write( 1 );
SerializePlayer( player, gWriter );
for ( int i = 0; i < MAX_PLAYERS; ++i )
{
if ( gPlayers[i].active && i != player->index )
{
gServer.SendData( PacketWriter( gWriter ), gPlayers[i].address, SENDOPT_RELIABLE );
}
}
gWriter.Clear();
}
}
}
// Process kills
commands_out = 0;
for ( int i = 0; i < MAX_PLAYERS; ++i )
{
player = &gPlayers[i];
if ( player->active && player->killedBy >= 0 )
{
if ( commands_out == 0 )
{
commands_out = NC_KILL;
gWriter.Write( commands_out );
}
gWriter.Write( player->killedBy );
gWriter.Write( player->index );
player->killedBy = -1;
player->alive = 0;
Dictionary params;
params.Set( "PlayerIndex", i );
gClock->PostEventCallbackAfter( "RespawnPlayer", RESPAWN_TIME, params );
}
}
if ( commands_out )
{
gServer.SendData( gWriter );
}
// Render
ClearScreen();
DrawTextFormat( 0, 0, "Time %s",
Clock::GetStringFormatedTime( gClock->GetElapsedTime( Clock::TIME_SEC ) ).c_str() );
DrawPlayerNames( gPlayers, 10, 28 );
FlushRenderer();
}
