/**
* Prepare a DoCommand to be send over the network
* @param tile The tile to perform a command on (see #CommandProc)
* @param p1 Additional data for the command (see #CommandProc)
* @param p2 Additional data for the command (see #CommandProc)
* @param cmd The command to execute (a CMD_* value)
* @param callback A callback function to call after the command is finished
* @param text The text to pass
* @param company The company that wants to send the command
*/
void NetworkSendCommand(TileIndex tile, uint32 p1, uint32 p2, uint32 cmd, CommandCallback *callback, const char *text, CompanyID company)
{
assert((cmd & CMD_FLAGS_MASK) == 0);
CommandPacket c;
c.company = company;
c.tile = tile;
c.p1 = p1;
c.p2 = p2;
c.cmd = cmd;
c.callback = callback;
strecpy(c.text, (text != NULL) ? text : "", lastof(c.text));
if (_network_server) {
/* If we are the server, we queue the command in our 'special' queue.
* In theory, we could execute the command right away, but then the
* client on the server can do everything 1 tick faster than others.
* So to keep the game fair, we delay the command with 1 tick
* which gives about the same speed as most clients.
*/
c.frame = _frame_counter_max + 1;
c.my_cmd = true;
_local_wait_queue.Append(&c);
return;
}
c.frame = 0; // The client can't tell which frame, so just make it 0
/* Clients send their command to the server and forget all about the packet */
MyClient::SendCommand(&c);
}
/**
* "Send" a particular CommandPacket to all clients.
* @param cp The command that has to be distributed.
* @param owner The client that owns the command,
*/
static void DistributeCommandPacket(CommandPacket &cp, const NetworkClientSocket *owner)
{
CommandCallback *callback = cp.callback;
cp.frame = _frame_counter_max + 1;
NetworkClientSocket *cs;
FOR_ALL_CLIENT_SOCKETS(cs) {
if (cs->status >= NetworkClientSocket::STATUS_MAP) {
/* Callbacks are only send back to the client who sent them in the
* first place. This filters that out. */
cp.callback = (cs != owner) ? NULL : callback;
cp.my_cmd = (cs == owner);
cs->outgoing_queue.Append(&cp);
}
}
cp.callback = (cs != owner) ? NULL : callback;
cp.my_cmd = (cs == owner);
_local_execution_queue.Append(&cp);
}