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net_main.c
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net_main.c
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/**\file
*\section License
* License: GPL
* Online License Link: http://www.gnu.org/licenses/gpl.html
*
*\author Copyright © 2003-2011 Jaakko Keränen <jaakko.keranen@iki.fi>
*\author Copyright © 2005-2011 Daniel Swanson <danij@dengine.net>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301 USA
*/
/**
* net_main.c: Client/server networking.
*
* Player number zero is always the server.
* In single-player games there is only the server present.
*/
// HEADER FILES ------------------------------------------------------------
#include <stdlib.h> // for atoi()
#include "de_base.h"
#include "de_console.h"
#include "de_edit.h"
#include "de_system.h"
#include "de_network.h"
#include "de_play.h"
#include "de_graphics.h"
#include "de_misc.h"
#include "de_ui.h"
#include "rend_bias.h"
#include "rend_console.h"
#include "r_lgrid.h"
// MACROS ------------------------------------------------------------------
#define OBSOLETE CVF_NO_ARCHIVE|CVF_HIDE // Old ccmds.
// The threshold is the average ack time * mul.
#define ACK_THRESHOLD_MUL 1.5f
// Never wait a too short time for acks.
#define ACK_MINIMUM_THRESHOLD 50
// TYPES -------------------------------------------------------------------
typedef struct connectparam_s {
char address[256];
int port;
serverinfo_t info;
} connectparam_t;
// EXTERNAL FUNCTION PROTOTYPES --------------------------------------------
D_CMD(HuffmanStats); // in net_buf.c
D_CMD(Login); // in cl_main.c
D_CMD(Logout); // in sv_main.c
D_CMD(Ping); // in net_ping.c
void R_DrawLightRange(void);
int Sv_GetRegisteredMobj(pool_t *, thid_t, mobjdelta_t *);
// PUBLIC FUNCTION PROTOTYPES ----------------------------------------------
D_CMD(Connect);
D_CMD(Chat);
D_CMD(Kick);
D_CMD(MakeCamera);
D_CMD(Net);
D_CMD(SetConsole);
D_CMD(SetName);
D_CMD(SetTicks);
// PRIVATE FUNCTION PROTOTYPES ---------------------------------------------
// EXTERNAL DATA DECLARATIONS ----------------------------------------------
// PUBLIC DATA DEFINITIONS -------------------------------------------------
char *serverName = "Doomsday";
char *serverInfo = "Multiplayer Host";
char *playerName = "Player";
int serverData[3]; // Some parameters passed to master server.
client_t clients[DDMAXPLAYERS]; // All network data for the players.
int netGame; // true if a netGame is in progress
int isServer; // true if this computer is an open server.
int isClient; // true if this computer is a client
// Gotframe is true if a frame packet has been received.
int gotFrame = false;
boolean firstNetUpdate = true;
byte monitorMsgQueue = false;
byte netShowLatencies = false;
byte netDev = false;
byte netDontSleep = false;
byte netTicSync = true;
float netConnectTime;
//int netCoordTime = 17;
float netConnectTimeout = 10;
float netSimulatedLatencySeconds = 0;
// Local packets are stored into this buffer.
boolean reboundPacket;
netbuffer_t reboundStore;
// PRIVATE DATA DEFINITIONS ------------------------------------------------
static int coordTimer = 0;
// CODE --------------------------------------------------------------------
void Net_Register(void)
{
// Cvars
C_VAR_BYTE("net-queue-show", &monitorMsgQueue, 0, 0, 1);
C_VAR_BYTE("net-dev", &netDev, 0, 0, 1);
#ifdef _DEBUG
C_VAR_FLOAT("net-dev-latency", &netSimulatedLatencySeconds, CVF_NO_MAX, 0, 0);
#endif
C_VAR_BYTE("net-nosleep", &netDontSleep, 0, 0, 1);
C_VAR_CHARPTR("net-master-address", &masterAddress, 0, 0, 0);
C_VAR_INT("net-master-port", &masterPort, 0, 0, 65535);
C_VAR_CHARPTR("net-master-path", &masterPath, 0, 0, 0);
C_VAR_CHARPTR("net-name", &playerName, 0, 0, 0);
// Cvars (client)
//C_VAR_INT("client-pos-interval", &netCoordTime, CVF_NO_MAX, 0, 0);
C_VAR_FLOAT("client-connect-timeout", &netConnectTimeout, CVF_NO_MAX,
0, 0);
// Cvars (server)
C_VAR_CHARPTR("server-name", &serverName, 0, 0, 0);
C_VAR_CHARPTR("server-info", &serverInfo, 0, 0, 0);
C_VAR_INT("server-public", &masterAware, 0, 0, 1);
C_VAR_CHARPTR("server-password", &netPassword, 0, 0, 0);
C_VAR_BYTE("server-latencies", &netShowLatencies, 0, 0, 1);
C_VAR_INT("server-frame-interval", &frameInterval, CVF_NO_MAX, 0, 0);
C_VAR_INT("server-player-limit", &svMaxPlayers, 0, 0, DDMAXPLAYERS);
// Ccmds
C_CMD("chat", NULL, Chat);
C_CMD("chatnum", NULL, Chat);
C_CMD("chatto", NULL, Chat);
C_CMD("conlocp", "i", MakeCamera);
C_CMD_FLAGS("connect", NULL, Connect, CMDF_NO_DEDICATED);
C_CMD("huffman", "", HuffmanStats);
C_CMD("kick", "i", Kick);
C_CMD("login", NULL, Login);
C_CMD("logout", "", Logout);
C_CMD("net", NULL, Net);
C_CMD("ping", NULL, Ping);
C_CMD("say", NULL, Chat);
C_CMD("saynum", NULL, Chat);
C_CMD("sayto", NULL, Chat);
C_CMD("setname", "s", SetName);
C_CMD("setcon", "i", SetConsole);
C_CMD("settics", "i", SetTicks);
N_Register();
}
void Net_Init(void)
{
Net_AllocArrays();
memset(&netBuffer, 0, sizeof(netBuffer));
netBuffer.headerLength = netBuffer.msg.data - (byte *) &netBuffer.msg;
// The game is always started in single-player mode.
netGame = false;
}
void Net_Shutdown(void)
{
netGame = false;
N_Shutdown();
Net_DestroyArrays();
}
/**
* Part of the Doomsday public API.
*
* @return The name of the specified player.
*/
const char* Net_GetPlayerName(int player)
{
return clients[player].name;
}
/**
* Part of the Doomsday public API.
*
* @return Client identifier for the specified player.
*/
ident_t Net_GetPlayerID(int player)
{
if(!clients[player].connected)
return 0;
return clients[player].id;
}
/**
* Sends the contents of the netBuffer.
*/
void Net_SendBuffer(int toPlayer, int spFlags)
{
assert(!Msg_BeingWritten()); // Must finish writing before calling this.
/*
#ifdef _DEBUG
{
char* buf = M_Calloc(netBuffer.length * 3 + 1);
int i;
for(i = 0; i < netBuffer.length; ++i)
{
char tmp[10];
sprintf(tmp, "%02x ", netBuffer.msg.data[i]);
strcat(buf, tmp);
}
Con_Message("Net_SendBuffer: [%i] %s\n", netBuffer.length, buf);
M_Free(buf);
}
#endif
*/
// Don't send anything during demo playback.
if(playback)
return;
netBuffer.player = toPlayer;
// A rebound packet?
if(spFlags & SPF_REBOUND)
{
reboundStore = netBuffer;
reboundPacket = true;
return;
}
Demo_WritePacket(toPlayer);
// Can we send the packet?
if(spFlags & SPF_DONT_SEND)
return;
// Send the packet to the network.
N_SendPacket(spFlags);
}
/**
* @return @C false, if there are no packets waiting.
*/
boolean Net_GetPacket(void)
{
if(reboundPacket) // Local packets rebound.
{
netBuffer = reboundStore;
netBuffer.player = consolePlayer;
//netBuffer.cursor = netBuffer.msg.data;
reboundPacket = false;
return true;
}
if(playback)
{ // We're playing a demo. This overrides all other packets.
return Demo_ReadPacket();
}
if(!netGame)
{ // Packets cannot be received.
return false;
}
if(!N_GetPacket())
return false;
// Are we recording a demo?
if(isClient && clients[consolePlayer].recording)
Demo_WritePacket(consolePlayer);
// Reset the cursor for Msg_* routines.
//netBuffer.cursor = netBuffer.msg.data;
return true;
}
/**
* Provides access to the player's movement smoother.
*/
Smoother* Net_PlayerSmoother(int player)
{
if(player < 0 || player >= DDMAXPLAYERS)
return 0;
return clients[player].smoother;
}
void Net_SendPlayerInfo(int srcPlrNum, int destPlrNum)
{
size_t nameLen;
assert(srcPlrNum >= 0 && srcPlrNum < DDMAXPLAYERS);
nameLen = strlen(clients[srcPlrNum].name);
#ifdef _DEBUG
Con_Message("Net_SendPlayerInfo: src=%i dest=%i name=%s\n",
srcPlrNum, destPlrNum, clients[srcPlrNum].name);
#endif
Msg_Begin(PKT_PLAYER_INFO);
Writer_WriteByte(msgWriter, srcPlrNum);
Writer_WriteUInt16(msgWriter, nameLen);
Writer_Write(msgWriter, clients[srcPlrNum].name, nameLen);
Msg_End();
Net_SendBuffer(destPlrNum, 0);
}
/**
* This is the public interface of the message sender.
*/
void Net_SendPacket(int to_player, int type, const void *data, size_t length)
{
unsigned int flags = 0;
#ifndef DENG_WRITER_TYPECHECK
Msg_Begin(type);
if(data) Writer_Write(msgWriter, data, length);
Msg_End();
#else
assert(length <= NETBUFFER_MAXDATA);
netBuffer.msg.type = type;
netBuffer.length = length;
if(data) memcpy(netBuffer.msg.data, data, length);
#endif
if(isClient)
{ // As a client we can only send messages to the server.
Net_SendBuffer(0, flags);
}
else
{ // The server can send packets to any player.
// Only allow sending to the sixteen possible players.
Net_SendBuffer(to_player & DDSP_ALL_PLAYERS ? NSP_BROADCAST
: (to_player & 0xf), flags);
}
}
/**
* Prints the message in the console.
*/
void Net_ShowChatMessage(void)
{
// The current packet in the netBuffer is a chat message, let's unwrap
// and show it.
Con_FPrintf(CBLF_GREEN, "%s: %s\n", clients[netBuffer.msg.data[0]].name,
netBuffer.msg.data + 3);
}
/**
* After a long period with no updates (map setup), calling this will reset
* the tictimer so that no time seems to have passed.
*/
void Net_ResetTimer(void)
{
int i;
firstNetUpdate = true;
for(i = 0; i < DDMAXPLAYERS; ++i)
{
Smoother_Clear(clients[i].smoother);
}
}
/**
* @return @c true, if the specified player is a real, local
* player.
*/
boolean Net_IsLocalPlayer(int plrNum)
{
player_t *plr = &ddPlayers[plrNum];
return plr->shared.inGame && (plr->shared.flags & DDPF_LOCAL);
}
/**
* Send the local player(s) ticcmds to the server.
*/
void Net_SendCommands(void)
{
}
static void Net_DoUpdate(void)
{
static int lastTime = 0;
int nowTime, newTics;
/**
* This timing is only used by the client when it determines if it is
* time to send ticcmds or coordinates to the server.
*/
// Check time.
nowTime = Sys_GetTime();
// Clock reset?
if(firstNetUpdate)
{
firstNetUpdate = false;
lastTime = nowTime;
}
newTics = nowTime - lastTime;
if(newTics <= 0)
return; // Nothing new to update.
lastTime = nowTime;
// This is as far as dedicated servers go.
if(isDedicated)
return;
/**
* Clients will periodically send their coordinates to the server so
* any prediction errors can be fixed. Client movement is almost
* entirely local.
*/
#ifdef _DEBUG
VERBOSE2( Con_Message("Net_DoUpdate: coordTimer=%i cl:%i af:%i shmo:%p\n", coordTimer,
isClient, allowFrames, ddPlayers[consolePlayer].shared.mo) );
#endif
coordTimer -= newTics;
if(isClient /*&& allowFrames*/ && coordTimer <= 0 &&
ddPlayers[consolePlayer].shared.mo)
{
mobj_t *mo = ddPlayers[consolePlayer].shared.mo;
coordTimer = 1; //netCoordTime; // 35/2
Msg_Begin(PKT_COORDS);
Writer_WriteFloat(msgWriter, gameTime);
Writer_WriteFloat(msgWriter, mo->pos[VX]);
Writer_WriteFloat(msgWriter, mo->pos[VY]);
if(mo->pos[VZ] == mo->floorZ)
{
// This'll keep us on the floor even in fast moving sectors.
Writer_WriteInt32(msgWriter, DDMININT);
}
else
{
Writer_WriteInt32(msgWriter, FLT2FIX(mo->pos[VZ]));
}
// Also include angles.
Writer_WriteInt16(msgWriter, mo->angle >> 16);
Writer_WriteInt16(msgWriter, P_LookDirToShort(ddPlayers[consolePlayer].shared.lookDir));
// Control state.
Writer_WriteByte(msgWriter, FLT2FIX(ddPlayers[consolePlayer].shared.forwardMove) >> 13);
Writer_WriteByte(msgWriter, FLT2FIX(ddPlayers[consolePlayer].shared.sideMove) >> 13);
Msg_End();
Net_SendBuffer(0, 0);
}
}
/**
* Handle incoming packets, clients send ticcmds and coordinates to
* the server.
*/
void Net_Update(void)
{
Net_DoUpdate();
// Check for new arrivals and unjoined net commands.
N_ListenUnjoinedNodes();
// Check for received packets.
if(isClient)
Cl_GetPackets();
else
Sv_GetPackets();
}
/**
* Build a ticcmd for the local player.
*/
void Net_BuildLocalCommands(timespan_t time)
{
}
/**
* Called from Net_Init to initialize the ticcmd arrays.
*/
void Net_AllocArrays(void)
{
int i;
memset(clients, 0, sizeof(clients));
for(i = 0; i < DDMAXPLAYERS; ++i)
{
// Movement smoother.
clients[i].smoother = Smoother_New();
}
}
void Net_DestroyArrays(void)
{
int i;
for(i = 0; i < DDMAXPLAYERS; ++i)
{
Smoother_Destruct(clients[i].smoother);
}
memset(clients, 0, sizeof(clients));
}
/**
* This is the network one-time initialization (into single-player mode).
*/
void Net_InitGame(void)
{
Cl_InitID();
// In single-player mode there is only player number zero.
consolePlayer = displayPlayer = 0;
// We're in server mode if we aren't a client.
isServer = true;
// Netgame is true when we're aware of the network (i.e. other players).
netGame = false;
ddPlayers[0].shared.inGame = true;
ddPlayers[0].shared.flags |= DDPF_LOCAL;
clients[0].id = clientID;
clients[0].ready = true;
clients[0].connected = true;
clients[0].viewConsole = 0;
clients[0].lastTransmit = -1;
// Are we timing a demo here?
if(ArgCheck("-timedemo"))
netTicSync = false;
}
void Net_StopGame(void)
{
int i;
if(isServer)
{ // We are an open server.
// This means we should inform all the connected clients that the
// server is about to close.
Msg_Begin(PSV_SERVER_CLOSE);
Msg_End();
Net_SendBuffer(NSP_BROADCAST, 0);
#if 0
N_FlushOutgoing();
#endif
}
else
{ // We are a connected client.
Msg_Begin(PCL_GOODBYE);
Msg_End();
Net_SendBuffer(0, 0);
// Must stop recording, we're disconnecting.
Demo_StopRecording(consolePlayer);
Cl_CleanUp();
isClient = false;
}
// Netgame has ended.
netGame = false;
isServer = true;
allowSending = false;
// No more remote users.
netRemoteUser = 0;
netLoggedIn = false;
// All remote players are forgotten.
for(i = 0; i < DDMAXPLAYERS; ++i)
{
player_t *plr = &ddPlayers[i];
client_t *cl = &clients[i];
plr->shared.inGame = false;
cl->ready = cl->connected = false;
cl->nodeID = 0;
plr->shared.flags &= ~(DDPF_CAMERA | DDPF_CHASECAM | DDPF_LOCAL);
}
// We're about to become player zero, so update it's view angles to
// match our current ones.
if(ddPlayers[0].shared.mo)
{
/* $unifiedangles */
ddPlayers[0].shared.mo->angle =
ddPlayers[consolePlayer].shared.mo->angle;
ddPlayers[0].shared.lookDir =
ddPlayers[consolePlayer].shared.lookDir;
}
#ifdef _DEBUG
Con_Message("Net_StopGame: Reseting console & view player to zero.\n");
#endif
consolePlayer = displayPlayer = 0;
ddPlayers[0].shared.inGame = true;
clients[0].ready = true;
clients[0].connected = true;
clients[0].viewConsole = 0;
ddPlayers[0].shared.flags |= DDPF_LOCAL;
}
/**
* @return Delta based on 'now' (- future, + past).
*/
int Net_TimeDelta(byte now, byte then)
{
int delta;
if(now >= then)
{ // Simple case.
delta = now - then;
}
else
{ // There's a wraparound.
delta = 256 - then + now;
}
// The time can be in the future. We'll allow one second.
if(delta > 220)
delta -= 256;
return delta;
}
/**
* This is a bit complicated and quite possibly unnecessarily so. The
* idea is, however, that because the ticcmds sent by clients arrive in
* bursts, we'll preserve the motion by 'executing' the commands in the
* same order in which they were generated. If the client's connection
* lags a lot, the difference between the serverside and clientside
* positions will be *large*, especially when the client is running.
* If too many commands are buffered, the client's coord announcements
* will be processed before the actual movement commands, resulting in
* serverside warping (which is perceived by all other clients).
*/
int Net_GetTicCmd(void *pCmd, int player)
{
return false;
#if 0
client_t *client = &clients[player];
ticcmd_t *cmd = pCmd;
/* int doMerge = false;
int future; */
if(client->numTics <= 0)
{
// No more commands for this player.
return false;
}
// Return the next ticcmd from the buffer.
// There will be one less tic in the buffer after this.
client->numTics--;
memcpy(cmd, &client->ticCmds[TICCMD_IDX(client->firstTic++)], TICCMD_SIZE);
// This is the new last command.
memcpy(client->lastCmd, cmd, TICCMD_SIZE);
// Make sure the firsttic index is in range.
client->firstTic %= BACKUPTICS;
return true;
#endif
}
/**
* Does drawing for the engine's HUD, not just the net.
*/
void Net_Drawer(void)
{
char buf[160], tmp[40];
int i, c;
boolean showBlinkR = false;
for(i = 0; i < DDMAXPLAYERS; ++i)
{
if(ddPlayers[i].shared.inGame && clients[i].recording)
showBlinkR = true;
}
// Draw the Shadow Bias Editor HUD (if it is active).
SBE_DrawHUD();
// Draw lightgrid debug display.
LG_Debug();
// Draw the blockmap debug display.
P_BlockmapDebug();
// Draw the light range debug display.
R_DrawLightRange();
if(!netDev && !showBlinkR && !consoleShowFPS)
return;
// Go into screen projection mode.
glMatrixMode(GL_PROJECTION);
glPushMatrix();
glLoadIdentity();
glOrtho(0, theWindow->width, theWindow->height, 0, -1, 1);
if(showBlinkR && SECONDS_TO_TICKS(gameTime) & 8)
{
strcpy(buf, "[");
for(i = c = 0; i < DDMAXPLAYERS; ++i)
{
if(!(!ddPlayers[i].shared.inGame || !clients[i].recording))
{
// This is a "real" player (or camera).
if(c++)
strcat(buf, ",");
sprintf(tmp, "%i:%s", i, clients[i].recordPaused ? "-P-" : "REC");
strcat(buf, tmp);
}
}
strcat(buf, "]");
i = theWindow->width - FR_TextWidth(buf);
//glColor3f(0, 0, 0);
//FR_TextOut(buf, i - 8, 12);
glColor3f(1, 1, 1);
FR_ShadowTextOut(buf, i - 10, 10);
}
if(netDev)
{
/* glColor3f(1, 1, 1);
sprintf(buf, "G%i", gametic);
FR_TextOut(buf, 10, 10);
for(i = 0, cl = clients; i<DDMAXPLAYERS; ++i, cl++)
if(ddPlayers[i].inGame)
{
sprintf(buf, "%02i:%+04i[%+03i](%02d/%03i) pf:%x", i, cl->lag,
cl->lagStress, cl->numtics, cl->runTime,
ddPlayers[i].flags);
FR_TextOut(buf, 10, 10+10*(i+1));
} */
}
Rend_ConsoleFPS(theWindow->width - 10, 30);
// Restore original matrix.
glMatrixMode(GL_PROJECTION);
glPopMatrix();
}
/**
* Maintain the ack threshold average.
*/
void Net_SetAckTime(int clientNumber, uint period)
{
/*
client_t *client = &clients[clientNumber];
// Add the new time into the array.
client->ackTimes[client->ackIdx++] = period;
client->ackIdx %= NUM_ACK_TIMES;
#ifdef _DEBUG
VERBOSE( Con_Printf("Net_SetAckTime: Client %i, new ack sample of %05u ms.\n",
clientNumber, period) );
#endif
*/
}
/**
* @return The average ack time of the client.
*/
uint Net_GetAckTime(int clientNumber)
{
/*
client_t *client = &clients[clientNumber];
uint average = 0;
int i, count = 0;
uint smallest = 0, largest = 0;
// Find the smallest and largest so that they can be ignored.
smallest = largest = client->ackTimes[0];
for(i = 0; i < NUM_ACK_TIMES; ++i)
{
if(client->ackTimes[i] < smallest)
smallest = client->ackTimes[i];
if(client->ackTimes[i] > largest)
largest = client->ackTimes[i];
}
// Calculate the average.
for(i = 0; i < NUM_ACK_TIMES; ++i)
{
if(client->ackTimes[i] != largest && client->ackTimes[i] != smallest)
{
average += client->ackTimes[i];
count++;
}
}
if(count > 0)
{
return average / count;
}
else
{
return client->ackTimes[0];
}*/
return 0;
}
/**
* Sets all the ack times. Used to initial the ack times for new clients.
*/
void Net_SetInitialAckTime(int clientNumber, uint period)
{
/*
int i;
for(i = 0; i < NUM_ACK_TIMES; ++i)
{
clients[clientNumber].ackTimes[i] = period;
}
*/
}
/**
* The ack threshold is the maximum period of time to wait before
* deciding an ack is not coming. The minimum threshold is 50 ms.
*/
uint Net_GetAckThreshold(int clientNumber)
{
/*
uint threshold =
Net_GetAckTime(clientNumber) * ACK_THRESHOLD_MUL;
if(threshold < ACK_MINIMUM_THRESHOLD)
{
threshold = ACK_MINIMUM_THRESHOLD;
}
return threshold;*/
return 0;
}
void Net_Ticker(timespan_t time)
{
int i;
client_t *cl;
// Network event ticker.
N_NETicker(time);
if(netDev)
{
static int printTimer = 0;
if(printTimer++ > TICSPERSEC)
{
printTimer = 0;
for(i = 0; i < DDMAXPLAYERS; ++i)
{
if(Sv_IsFrameTarget(i))
{
Con_Message("%i(rdy%i): avg=%05ims thres=%05ims "
"bwr=%05i maxfs=%05lub unakd=%05i\n", i,
clients[i].ready, Net_GetAckTime(i),
Net_GetAckThreshold(i),
clients[i].bandwidthRating,
/*clients[i].bwrAdjustTime,*/
(unsigned long) Sv_GetMaxFrameSize(i),
Sv_CountUnackedDeltas(i));
}
/*if(ddPlayers[i].inGame)
Con_Message("%i: cmds=%i\n", i, clients[i].numTics);*/
}
}
}
// The following stuff is only for netgames.
if(!netGame)
return;
// Check the pingers.
for(i = 0, cl = clients; i < DDMAXPLAYERS; ++i, cl++)
{
// Clients can only ping the server.
if(!(isClient && i) && i != consolePlayer)
{
if(cl->ping.sent)
{
// The pinger is active.
if(Sys_GetRealTime() - cl->ping.sent > PING_TIMEOUT) // Timed out?
{
cl->ping.times[cl->ping.current] = -1;
Net_SendPing(i, 0);
}
}
}
}
}
/**
* Prints server/host information into the console. The header line is
* printed if 'info' is NULL.
*/
void Net_PrintServerInfo(int index, serverinfo_t *info)
{
if(!info)
{
Con_Printf(" %-20s P/M L Ver: Game: Location:\n",
"Name:");
}
else
{
Con_Printf("%-2i: %-20s %i/%-2i %c %-5i %-16s %s:%i\n", index,
info->name, info->numPlayers, info->maxPlayers,
info->canJoin ? ' ' : '*', info->version, info->game,
info->address, info->port);
Con_Printf(" %s (%s:%x) p:%ims %-40s\n", info->map, info->iwad,
info->wadNumber, info->ping, info->description);
Con_Printf(" %s %s\n", info->gameMode, info->gameConfig);
// Optional: PWADs in use.
if(info->pwads[0])
Con_Printf(" PWADs: %s\n", info->pwads);
// Optional: names of players.
if(info->clientNames[0])
Con_Printf(" Players: %s\n", info->clientNames);
// Optional: data values.
if(info->data[0] || info->data[1] || info->data[2])
{
Con_Printf(" Data: (%08x, %08x, %08x)\n", info->data[0],
info->data[1], info->data[2]);
}
}
}
/**
* All arguments are sent out as a chat message.
*/
D_CMD(Chat)
{
char buffer[100];
int i, mode = !stricmp(argv[0], "chat") ||
!stricmp(argv[0], "say") ? 0 : !stricmp(argv[0], "chatNum") ||
!stricmp(argv[0], "sayNum") ? 1 : 2;
unsigned short mask = 0;
if(argc == 1)
{
Con_Printf("Usage: %s %s(text)\n", argv[0],
!mode ? "" : mode == 1 ? "(plr#) " : "(name) ");
Con_Printf("Chat messages are max. 80 characters long.\n");
Con_Printf("Use quotes to get around arg processing.\n");
return true;
}
// Chatting is only possible when connected.
if(!netGame)
return false;
// Too few arguments?
if(mode && argc < 3)
return false;