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net_main.c
1522 lines (1330 loc) · 40.4 KB
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net_main.c
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/**\file
*\section Copyright and License Summary
* License: GPL
* Online License Link: http://www.gnu.org/licenses/gpl.html
*
*\author Copyright © 2003-2006 Jaakko Keränen <skyjake@dengine.net>
*\author Copyright © 2005-2006 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 -------------------------------------------------------------------
// EXTERNAL FUNCTION PROTOTYPES --------------------------------------------
D_CMD(Ping); // in net_ping.c
D_CMD(Login); // in cl_main.c
D_CMD(Logout); // in sv_main.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.
//byte *localticcmds;
//int numlocal; // Number of cmds in the buffer.
ddplayer_t ddplayers[MAXPLAYERS];
client_t clients[MAXPLAYERS]; // 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
int consoleplayer;
int displayplayer;
// Gotframe is true if a frame packet has been received.
int gotframe = false;
boolean firstNetUpdate = true;
byte monitorSendQueue = false;
byte net_showlatencies = false;
byte net_dev = false;
byte net_dontsleep = false;
byte net_ticsync = true;
float net_connecttime;
int net_coordtime = 17;
float net_connecttimeout = 10;
// 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", &monitorSendQueue, 0, 0, 1);
C_VAR_BYTE("net-dev", &net_dev, 0, 0, 1);
C_VAR_BYTE("net-nosleep", &net_dontsleep, 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", &net_coordtime, CVF_NO_MAX, 0, 0);
C_VAR_FLOAT("client-connect-timeout", &net_connecttimeout, 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", &net_password, 0, 0, 0);
C_VAR_BYTE("server-latencies", &net_showlatencies, 0, 0, 1);
C_VAR_INT("server-frame-interval", &frameInterval, CVF_NO_MAX, 0, 0);
C_VAR_INT("server-player-limit", &sv_maxPlayers, 0, 0, MAXPLAYERS);
// Ccmds
C_CMD("chat", Chat);
C_CMD("chatnum", Chat);
C_CMD("chatto", Chat);
C_CMD("conlocp", MakeCamera);
C_CMD("connect", Connect);
C_CMD("huffman", HuffmanStats);
C_CMD("kick", Kick);
C_CMD("login", Login);
C_CMD("logout", Logout);
C_CMD("net", Net);
C_CMD("ping", Ping);
C_CMD("say", Chat);
C_CMD("saynum", Chat);
C_CMD("sayto", Chat);
C_CMD("setname", SetName);
C_CMD("setcon", SetConsole);
C_CMD("settics", 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();
}
/*
* Returns the name of the specified player.
*/
char *Net_GetPlayerName(int player)
{
return clients[player].name;
}
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 to_player, int sp_flags)
{
// Don't send anything during demo playback.
if(playback)
return;
// Update the length of the message.
netBuffer.length = netBuffer.cursor - netBuffer.msg.data;
netBuffer.player = to_player;
// A rebound packet?
if(sp_flags & SPF_REBOUND)
{
reboundstore = netBuffer;
reboundpacket = true;
return;
}
Demo_WritePacket(to_player);
// Can we send the packet?
if(sp_flags & SPF_DONT_SEND)
return;
// Send the packet to the network.
N_SendPacket(sp_flags);
}
/*
* Returns 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;
}
/*
* This is the public interface of the message sender.
*/
void Net_SendPacket(int to_player, int type, void *data, int length)
{
int flags = 0;
// What kind of delivery to use?
if(to_player & DDSP_CONFIRM)
flags |= SPF_CONFIRM;
if(to_player & DDSP_ORDERED)
flags |= SPF_ORDERED;
Msg_Begin(type);
if(data)
Msg_Write(data, length);
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()
{
// 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)
{
firstNetUpdate = true;
}
/*
* Send the local player(s) ticcmds to the server.
*/
void Net_SendCommands(void)
{
byte *msg;
ticcmd_t *cmd;
// Clients send their ticcmds to the server at regular intervals,
// but significantly less often than new ticcmds are built.
// Therefore they need to send a combination of all the cmds built
// during the wait period.
cmd = clients[consoleplayer].aggregateCmd;
// The game will pack the commands into a buffer. The returned
// pointer points to a buffer that contains its size and the
// packed commands.
msg = (byte *) gx.NetPlayerEvent(1, DDPE_WRITE_COMMANDS, cmd);
Msg_Begin(PCL_COMMANDS);
Msg_Write(msg + 2, *(ushort *) msg);
// Send the packet to the server, i.e. player zero.
// Player commands are sent over TCP so their integrity and order
// are guaranteed.
Net_SendBuffer(0, (isClient ? 0 : SPF_REBOUND) | SPF_ORDERED);
// Clients will begin composing a new aggregate now that this
// one has been sent.
memset(cmd, 0, TICCMD_SIZE);
}
/*
* Handle incoming packets, clients send ticcmds and coordinates to
* the server.
*/
void Net_Update(void)
{
static int lastTime = 0;
int nowTime;
int 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)
goto listen; // Nothing new to update.
lastTime = nowTime;
#if 0
// Build new ticcmds for console player.
for(i = 0; i < newtics; i++)
{
DD_ProcessEvents();
/*Con_Printf("mktic:%i gt:%i newtics:%i >> %i\n",
maketic, gametic, newtics, maketic-gametic); */
if(playback)
{
numlocal = 0;
if(availabletics < LOCALTICS)
availabletics++;
}
else if(!isDedicated && !ui_active)
{
// Place the new ticcmd in the local ticcmds buffer.
ticcmd_t *cmd = Net_LocalCmd();
if(cmd)
{
gx.BuildTicCmd(cmd);
// Set the time stamp. Only the lowest byte is stored.
//cmd->time = gametic + availabletics;
// Availabletics counts the tics that have cmds.
availabletics++;
if(isClient)
{
// When not playing a demo, this is the last command.
// It is used in local movement prediction.
memcpy(clients[consoleplayer].lastCmd, cmd, sizeof(*cmd));
}
}
}
}
#endif
// This is as far as dedicated servers go.
if(isDedicated)
goto listen;
// Clients will periodically send their coordinates to the server so
// any prediction errors can be fixed. Client movement is almost
// entirely local.
coordTimer -= newTics;
if(isClient && allowFrames && coordTimer < 0 && players[consoleplayer].mo)
{
mobj_t *mo = players[consoleplayer].mo;
coordTimer = net_coordtime; // 35/2
Msg_Begin(PKT_COORDS);
Msg_WriteShort(mo->pos[VX] >> 16);
Msg_WriteShort(mo->pos[VY] >> 16);
if(mo->pos[VZ] == mo->floorz)
{
// This'll keep us on the floor even in fast moving sectors.
Msg_WriteShort(DDMININT >> 16);
}
else
{
Msg_WriteShort(mo->pos[VZ] >> 16);
}
Net_SendBuffer(0, 0);
}
listen:
// Listen for packets. Call the correct packet handler.
N_Listen();
if(isClient)
Cl_GetPackets();
else // Single-player or server.
Sv_GetPackets();
}
/*
* Build a ticcmd for the local player.
*/
void Net_BuildLocalCommands(timespan_t time)
{
ticcmd_t *cmd;
if(isDedicated) return;
// Ticcmd of the local player.
cmd = clients[consoleplayer].lastCmd;
if(playback || ui_active)
{
// No actions can be undertaken during demo playback or when
// in UI mode.
memset(cmd, 0, sizeof(*cmd));
}
else
{
gx.BuildTicCmd(cmd, time);
}
// Be sure to merge each built command into the aggregate that
// will be sent periodically to the server.
gx.MergeTicCmd(clients[consoleplayer].aggregateCmd, cmd);
}
/*
* Called from Net_Init to initialize the ticcmd arrays.
*/
void Net_AllocArrays(void)
{
int i;
#if 0
// Local ticcmds are stored into this array before they're copied
// to netplayer[0]'s ticcmds buffer.
localticcmds = calloc(LOCALTICS, TICCMD_SIZE);
numlocal = 0; // Nothing in the buffer.
#endif
for(i = 0; i < MAXPLAYERS; i++)
{
memset(clients + i, 0, sizeof(clients[i]));
// The server stores ticcmds sent by the clients to these
// buffers.
clients[i].ticCmds = calloc(BACKUPTICS, TICCMD_SIZE);
// The last cmd that was executed is stored here.
clients[i].lastCmd = calloc(1, TICCMD_SIZE);
clients[i].aggregateCmd = calloc(1, TICCMD_SIZE);
clients[i].runTime = -1;
}
}
void Net_DestroyArrays(void)
{
int i;
#if 0
free(localticcmds);
localticcmds = NULL;
#endif
for(i = 0; i < MAXPLAYERS; i++)
{
free(clients[i].ticCmds);
free(clients[i].lastCmd);
free(clients[i].aggregateCmd);
clients[i].ticCmds = NULL;
clients[i].lastCmd = NULL;
clients[i].aggregateCmd = NULL;
}
}
/*
* 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;
players[0].ingame = true;
players[0].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"))
net_ticsync = 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);
Net_SendBuffer(NSP_BROADCAST, SPF_CONFIRM);
N_FlushOutgoing();
}
else
{
// 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.
net_remoteuser = 0;
netLoggedIn = false;
// All remote players are forgotten.
for(i = 0; i < MAXPLAYERS; i++)
{
players[i].ingame = false;
clients[i].ready = clients[i].connected = false;
players[i].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(players[0].mo)
{
/* $unifiedangles */
players[0].mo->angle = players[consoleplayer].mo->angle;
players[0].lookdir = players[consoleplayer].lookdir;
}
consoleplayer = displayplayer = 0;
players[0].ingame = true;
clients[0].ready = true;
clients[0].connected = true;
clients[0].viewConsole = 0;
players[0].flags |= DDPF_LOCAL;
}
// Returns 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)
{
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;
#if 0
//Con_Printf("GetTicCmd: Cl=%i, GT=%i (%i)...\n", player, gametic, (byte)gametic);
// Check the lag stress.
/* if(cl->lagStress > net_stressmargin)
{
// Command lag should be increased, we're running out of cmds.
cl->lagStress -= net_stressmargin;
memcpy(cmd, cl->lastcmd, TICCMD_SIZE); // Repeat lastcmd.
//Con_Printf(" Increasing lag\n");
return true;
}
else if(cl->lagStress < -net_stressmargin)
{
// Command lag should be decreased.
cl->lagStress += net_stressmargin;
cl->runTime++;
//Con_Printf(" Decreasing lag\n");
} */
for(;;)
{
if(Net_TimeDelta(gametic, cl->runTime) <= 0)
{
//Con_Printf(" Running in the future! Rt=%i\n", cl->runTime);
future = true;
//cl->lagStress++;
}
else
{
future = false;
}
// Are there any commands left for this player?
if(!cl->numtics)
{
cl->lagStress++;
// Reuse the last command.
memcpy(cmd, cl->lastcmd, TICCMD_SIZE);
// Runtime advances.
if(!future)
cl->runTime++;
//Con_Printf(" Out of Cmds! Rt set to %i\n", cl->runTime);
return false;
}
// There's at least one command in the buffer.
// There will be one less tic in the buffer after this.
cl->numtics--;
memcpy(cmd, &cl->ticcmds[TICCMD_IDX(cl->firsttic++)], TICCMD_SIZE);
// Make sure the firsttic iterator is in range.
if(cl->firsttic >= BACKUPTICS)
cl->firsttic = 0;
// Do we need to do any merging?
if(doMerge && gx.DiscardTicCmd)
gx.DiscardTicCmd(cl->lastcmd, cmd);
// This is the new last command.
memcpy(cl->lastcmd, cmd, TICCMD_SIZE);
// Check that the command is valid (not if its tick has already passed).
if(Net_TimeDelta(cl->runTime, cmd->time) >= 0)
{
//Con_Printf(" Obsolete Cmd! Rt=%i Ct=%i\n", cl->runTime, cmd->time);
// Cmd is too old. Go to next command and merge this one with it.
doMerge = true;
continue;
}
cl->runTime = cmd->time;
// Note command lag.
cl->lag = Sv_Latency(cmd->time);
// The local player doesn't need lag stress, because we know it's
// always running exactly synced with the server, i.e. itself.
if(player && cl->numtics > 1)
cl->lagStress--;
//Con_Printf(" CmdLag=%i\n", cl->lag);
break;
}
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 show_blink_r = false;
for(i = 0; i < MAXPLAYERS; i++)
if(players[i].ingame && clients[i].recording)
show_blink_r = true;
// Draw the Shadow Bias Editor HUD (if it is active).
SBE_DrawHUD();
// Draw lightgrid debug display.
LG_Debug();
// Draw the light range debug display.
R_DrawLightRange();
if(!net_dev && !show_blink_r && !consoleShowFPS)
return;
// Go into screen projection mode.
gl.MatrixMode(DGL_PROJECTION);
gl.PushMatrix();
gl.LoadIdentity();
gl.Ortho(0, 0, glScreenWidth, glScreenHeight, -1, 1);
if(show_blink_r && SECONDS_TO_TICKS(gameTime) & 8)
{
strcpy(buf, "[");
for(i = c = 0; i < MAXPLAYERS; i++)
{
if(!players[i].ingame || !clients[i].recording)
continue;
if(c++)
strcat(buf, ",");
sprintf(tmp, "%i:%s", i, clients[i].recordPaused ? "-P-" : "REC");
strcat(buf, tmp);
}
strcat(buf, "]");
i = glScreenWidth - FR_TextWidth(buf);
//gl.Color3f(0, 0, 0);
//FR_TextOut(buf, i - 8, 12);
gl.Color3f(1, 1, 1);
FR_ShadowTextOut(buf, i - 10, 10);
}
if(net_dev)
{
/* gl.Color3f(1, 1, 1);
sprintf(buf, "G%i", gametic);
FR_TextOut(buf, 10, 10);
for(i = 0, cl = clients; i<MAXPLAYERS; i++, cl++)
if(players[i].ingame)
{
sprintf(buf, "%02i:%+04i[%+03i](%02d/%03i) pf:%x", i, cl->lag,
cl->lagStress, cl->numtics, cl->runTime,
players[i].flags);
FR_TextOut(buf, 10, 10+10*(i+1));
} */
}
Rend_ConsoleFPS();
// Restore original matrix.
gl.MatrixMode(DGL_PROJECTION);
gl.PopMatrix();
}
/*
* 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
}
/*
* Returns 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];
}
}
/*
* 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;
}
void Net_Ticker(timespan_t time)
{
int i;
client_t *cl;
// Network event ticker.
N_NETicker();
if(net_dev)
{
static int printTimer = 0;
if(printTimer++ > TICSPERSEC)
{
printTimer = 0;
for(i = 0; i < MAXPLAYERS; i++)
{
if(Sv_IsFrameTarget(i))
{
Con_Message("%i(rdy%i): avg=%05ims thres=%05ims "
"bwr=%05i (adj:%i) maxfs=%05ib unakd=%05i\n", i,
clients[i].ready, Net_GetAckTime(i),
Net_GetAckThreshold(i),
clients[i].bandwidthRating,
clients[i].bwrAdjustTime,
Sv_GetMaxFrameSize(i),
Sv_CountUnackedDeltas(i));
}
if(players[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 < MAXPLAYERS; i++, cl++)
{
// Clients can only ping the server.
if((isClient && i) || i == consoleplayer)
continue;
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])
{