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ioef/code/client/cl_input.c
Ryan C. Gordon 8ab3f7af8d Changed the protocol for VoIP packets to support legacy clients. 
Previously, a legacy client wouldn't get a VoIP packet, but if they did,
 they'd panic and disconnect. Now they ignore them and continue on. This also
 gives us the framework to add other features legacy clients can ignore.

Oh, this also has the benefit of allowing us to store incoming VoIP for
 playback in recorded demos. They'll play the chatter on VoIP clients, and
 be ignored on legacy ones. Huge win.
2008-06-03 02:32:52 +00:00

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/*
===========================================================================
Copyright (C) 1999-2005 Id Software, Inc.
This file is part of Quake III Arena source code.
Quake III Arena source code 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.
Quake III Arena source code 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 Quake III Arena source code; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
===========================================================================
*/
// cl.input.c -- builds an intended movement command to send to the server
#include "client.h"
unsigned frame_msec;
int old_com_frameTime;
/*
===============================================================================
KEY BUTTONS
Continuous button event tracking is complicated by the fact that two different
input sources (say, mouse button 1 and the control key) can both press the
same button, but the button should only be released when both of the
pressing key have been released.
When a key event issues a button command (+forward, +attack, etc), it appends
its key number as argv(1) so it can be matched up with the release.
argv(2) will be set to the time the event happened, which allows exact
control even at low framerates when the down and up events may both get qued
at the same time.
===============================================================================
*/
kbutton_t in_left, in_right, in_forward, in_back;
kbutton_t in_lookup, in_lookdown, in_moveleft, in_moveright;
kbutton_t in_strafe, in_speed;
kbutton_t in_up, in_down;
#if USE_VOIP
kbutton_t in_voiprecord;
#endif
kbutton_t in_buttons[16];
qboolean in_mlooking;
void IN_MLookDown( void ) {
in_mlooking = qtrue;
}
void IN_MLookUp( void ) {
in_mlooking = qfalse;
if ( !cl_freelook->integer ) {
IN_CenterView ();
}
}
void IN_KeyDown( kbutton_t *b ) {
int k;
char *c;
c = Cmd_Argv(1);
if ( c[0] ) {
k = atoi(c);
} else {
k = -1; // typed manually at the console for continuous down
}
if ( k == b->down[0] || k == b->down[1] ) {
return; // repeating key
}
if ( !b->down[0] ) {
b->down[0] = k;
} else if ( !b->down[1] ) {
b->down[1] = k;
} else {
Com_Printf ("Three keys down for a button!\n");
return;
}
if ( b->active ) {
return; // still down
}
// save timestamp for partial frame summing
c = Cmd_Argv(2);
b->downtime = atoi(c);
b->active = qtrue;
b->wasPressed = qtrue;
}
void IN_KeyUp( kbutton_t *b ) {
int k;
char *c;
unsigned uptime;
c = Cmd_Argv(1);
if ( c[0] ) {
k = atoi(c);
} else {
// typed manually at the console, assume for unsticking, so clear all
b->down[0] = b->down[1] = 0;
b->active = qfalse;
return;
}
if ( b->down[0] == k ) {
b->down[0] = 0;
} else if ( b->down[1] == k ) {
b->down[1] = 0;
} else {
return; // key up without coresponding down (menu pass through)
}
if ( b->down[0] || b->down[1] ) {
return; // some other key is still holding it down
}
b->active = qfalse;
// save timestamp for partial frame summing
c = Cmd_Argv(2);
uptime = atoi(c);
if ( uptime ) {
b->msec += uptime - b->downtime;
} else {
b->msec += frame_msec / 2;
}
b->active = qfalse;
}
/*
===============
CL_KeyState
Returns the fraction of the frame that the key was down
===============
*/
float CL_KeyState( kbutton_t *key ) {
float val;
int msec;
msec = key->msec;
key->msec = 0;
if ( key->active ) {
// still down
if ( !key->downtime ) {
msec = com_frameTime;
} else {
msec += com_frameTime - key->downtime;
}
key->downtime = com_frameTime;
}
#if 0
if (msec) {
Com_Printf ("%i ", msec);
}
#endif
val = (float)msec / frame_msec;
if ( val < 0 ) {
val = 0;
}
if ( val > 1 ) {
val = 1;
}
return val;
}
void IN_UpDown(void) {IN_KeyDown(&in_up);}
void IN_UpUp(void) {IN_KeyUp(&in_up);}
void IN_DownDown(void) {IN_KeyDown(&in_down);}
void IN_DownUp(void) {IN_KeyUp(&in_down);}
void IN_LeftDown(void) {IN_KeyDown(&in_left);}
void IN_LeftUp(void) {IN_KeyUp(&in_left);}
void IN_RightDown(void) {IN_KeyDown(&in_right);}
void IN_RightUp(void) {IN_KeyUp(&in_right);}
void IN_ForwardDown(void) {IN_KeyDown(&in_forward);}
void IN_ForwardUp(void) {IN_KeyUp(&in_forward);}
void IN_BackDown(void) {IN_KeyDown(&in_back);}
void IN_BackUp(void) {IN_KeyUp(&in_back);}
void IN_LookupDown(void) {IN_KeyDown(&in_lookup);}
void IN_LookupUp(void) {IN_KeyUp(&in_lookup);}
void IN_LookdownDown(void) {IN_KeyDown(&in_lookdown);}
void IN_LookdownUp(void) {IN_KeyUp(&in_lookdown);}
void IN_MoveleftDown(void) {IN_KeyDown(&in_moveleft);}
void IN_MoveleftUp(void) {IN_KeyUp(&in_moveleft);}
void IN_MoverightDown(void) {IN_KeyDown(&in_moveright);}
void IN_MoverightUp(void) {IN_KeyUp(&in_moveright);}
void IN_SpeedDown(void) {IN_KeyDown(&in_speed);}
void IN_SpeedUp(void) {IN_KeyUp(&in_speed);}
void IN_StrafeDown(void) {IN_KeyDown(&in_strafe);}
void IN_StrafeUp(void) {IN_KeyUp(&in_strafe);}
#if USE_VOIP
void IN_VoipRecordDown(void) {IN_KeyDown(&in_voiprecord);}
void IN_VoipRecordUp(void) {IN_KeyUp(&in_voiprecord);}
#endif
void IN_Button0Down(void) {IN_KeyDown(&in_buttons[0]);}
void IN_Button0Up(void) {IN_KeyUp(&in_buttons[0]);}
void IN_Button1Down(void) {IN_KeyDown(&in_buttons[1]);}
void IN_Button1Up(void) {IN_KeyUp(&in_buttons[1]);}
void IN_Button2Down(void) {IN_KeyDown(&in_buttons[2]);}
void IN_Button2Up(void) {IN_KeyUp(&in_buttons[2]);}
void IN_Button3Down(void) {IN_KeyDown(&in_buttons[3]);}
void IN_Button3Up(void) {IN_KeyUp(&in_buttons[3]);}
void IN_Button4Down(void) {IN_KeyDown(&in_buttons[4]);}
void IN_Button4Up(void) {IN_KeyUp(&in_buttons[4]);}
void IN_Button5Down(void) {IN_KeyDown(&in_buttons[5]);}
void IN_Button5Up(void) {IN_KeyUp(&in_buttons[5]);}
void IN_Button6Down(void) {IN_KeyDown(&in_buttons[6]);}
void IN_Button6Up(void) {IN_KeyUp(&in_buttons[6]);}
void IN_Button7Down(void) {IN_KeyDown(&in_buttons[7]);}
void IN_Button7Up(void) {IN_KeyUp(&in_buttons[7]);}
void IN_Button8Down(void) {IN_KeyDown(&in_buttons[8]);}
void IN_Button8Up(void) {IN_KeyUp(&in_buttons[8]);}
void IN_Button9Down(void) {IN_KeyDown(&in_buttons[9]);}
void IN_Button9Up(void) {IN_KeyUp(&in_buttons[9]);}
void IN_Button10Down(void) {IN_KeyDown(&in_buttons[10]);}
void IN_Button10Up(void) {IN_KeyUp(&in_buttons[10]);}
void IN_Button11Down(void) {IN_KeyDown(&in_buttons[11]);}
void IN_Button11Up(void) {IN_KeyUp(&in_buttons[11]);}
void IN_Button12Down(void) {IN_KeyDown(&in_buttons[12]);}
void IN_Button12Up(void) {IN_KeyUp(&in_buttons[12]);}
void IN_Button13Down(void) {IN_KeyDown(&in_buttons[13]);}
void IN_Button13Up(void) {IN_KeyUp(&in_buttons[13]);}
void IN_Button14Down(void) {IN_KeyDown(&in_buttons[14]);}
void IN_Button14Up(void) {IN_KeyUp(&in_buttons[14]);}
void IN_Button15Down(void) {IN_KeyDown(&in_buttons[15]);}
void IN_Button15Up(void) {IN_KeyUp(&in_buttons[15]);}
void IN_ButtonDown (void) {
IN_KeyDown(&in_buttons[1]);}
void IN_ButtonUp (void) {
IN_KeyUp(&in_buttons[1]);}
void IN_CenterView (void) {
cl.viewangles[PITCH] = -SHORT2ANGLE(cl.snap.ps.delta_angles[PITCH]);
}
//==========================================================================
cvar_t *cl_upspeed;
cvar_t *cl_forwardspeed;
cvar_t *cl_sidespeed;
cvar_t *cl_yawspeed;
cvar_t *cl_pitchspeed;
cvar_t *cl_run;
cvar_t *cl_anglespeedkey;
/*
================
CL_AdjustAngles
Moves the local angle positions
================
*/
void CL_AdjustAngles( void ) {
float speed;
if ( in_speed.active ) {
speed = 0.001 * cls.frametime * cl_anglespeedkey->value;
} else {
speed = 0.001 * cls.frametime;
}
if ( !in_strafe.active ) {
cl.viewangles[YAW] -= speed*cl_yawspeed->value*CL_KeyState (&in_right);
cl.viewangles[YAW] += speed*cl_yawspeed->value*CL_KeyState (&in_left);
}
cl.viewangles[PITCH] -= speed*cl_pitchspeed->value * CL_KeyState (&in_lookup);
cl.viewangles[PITCH] += speed*cl_pitchspeed->value * CL_KeyState (&in_lookdown);
}
/*
================
CL_KeyMove
Sets the usercmd_t based on key states
================
*/
void CL_KeyMove( usercmd_t *cmd ) {
int movespeed;
int forward, side, up;
//
// adjust for speed key / running
// the walking flag is to keep animations consistant
// even during acceleration and develeration
//
if ( in_speed.active ^ cl_run->integer ) {
movespeed = 127;
cmd->buttons &= ~BUTTON_WALKING;
} else {
cmd->buttons |= BUTTON_WALKING;
movespeed = 64;
}
forward = 0;
side = 0;
up = 0;
if ( in_strafe.active ) {
side += movespeed * CL_KeyState (&in_right);
side -= movespeed * CL_KeyState (&in_left);
}
side += movespeed * CL_KeyState (&in_moveright);
side -= movespeed * CL_KeyState (&in_moveleft);
up += movespeed * CL_KeyState (&in_up);
up -= movespeed * CL_KeyState (&in_down);
forward += movespeed * CL_KeyState (&in_forward);
forward -= movespeed * CL_KeyState (&in_back);
cmd->forwardmove = ClampChar( forward );
cmd->rightmove = ClampChar( side );
cmd->upmove = ClampChar( up );
}
/*
=================
CL_MouseEvent
=================
*/
void CL_MouseEvent( int dx, int dy, int time ) {
if ( Key_GetCatcher( ) & KEYCATCH_UI ) {
VM_Call( uivm, UI_MOUSE_EVENT, dx, dy );
} else if (Key_GetCatcher( ) & KEYCATCH_CGAME) {
VM_Call (cgvm, CG_MOUSE_EVENT, dx, dy);
} else {
cl.mouseDx[cl.mouseIndex] += dx;
cl.mouseDy[cl.mouseIndex] += dy;
}
}
/*
=================
CL_JoystickEvent
Joystick values stay set until changed
=================
*/
void CL_JoystickEvent( int axis, int value, int time ) {
if ( axis < 0 || axis >= MAX_JOYSTICK_AXIS ) {
Com_Error( ERR_DROP, "CL_JoystickEvent: bad axis %i", axis );
}
cl.joystickAxis[axis] = value;
}
/*
=================
CL_JoystickMove
=================
*/
void CL_JoystickMove( usercmd_t *cmd ) {
int movespeed;
float anglespeed;
if ( in_speed.active ^ cl_run->integer ) {
movespeed = 2;
} else {
movespeed = 1;
cmd->buttons |= BUTTON_WALKING;
}
if ( in_speed.active ) {
anglespeed = 0.001 * cls.frametime * cl_anglespeedkey->value;
} else {
anglespeed = 0.001 * cls.frametime;
}
if ( !in_strafe.active ) {
cl.viewangles[YAW] += anglespeed * cl_yawspeed->value * cl.joystickAxis[AXIS_SIDE];
} else {
cmd->rightmove = ClampChar( cmd->rightmove + cl.joystickAxis[AXIS_SIDE] );
}
if ( in_mlooking ) {
cl.viewangles[PITCH] += anglespeed * cl_pitchspeed->value * cl.joystickAxis[AXIS_FORWARD];
} else {
cmd->forwardmove = ClampChar( cmd->forwardmove + cl.joystickAxis[AXIS_FORWARD] );
}
cmd->upmove = ClampChar( cmd->upmove + cl.joystickAxis[AXIS_UP] );
}
/*
=================
CL_MouseMove
=================
*/
void CL_MouseMove( usercmd_t *cmd ) {
float mx, my;
float accelSensitivity;
float rate;
// allow mouse smoothing
if ( m_filter->integer ) {
mx = ( cl.mouseDx[0] + cl.mouseDx[1] ) * 0.5;
my = ( cl.mouseDy[0] + cl.mouseDy[1] ) * 0.5;
} else {
mx = cl.mouseDx[cl.mouseIndex];
my = cl.mouseDy[cl.mouseIndex];
}
cl.mouseIndex ^= 1;
cl.mouseDx[cl.mouseIndex] = 0;
cl.mouseDy[cl.mouseIndex] = 0;
rate = sqrt( mx * mx + my * my ) / (float)frame_msec;
accelSensitivity = ( cl_sensitivity->value *
cl_platformSensitivity->value ) + rate * cl_mouseAccel->value;
// scale by FOV
accelSensitivity *= cl.cgameSensitivity;
if ( rate && cl_showMouseRate->integer ) {
Com_Printf( "%f : %f\n", rate, accelSensitivity );
}
mx *= accelSensitivity;
my *= accelSensitivity;
if (!mx && !my) {
return;
}
// add mouse X/Y movement to cmd
if ( in_strafe.active ) {
cmd->rightmove = ClampChar( cmd->rightmove + m_side->value * mx );
} else {
cl.viewangles[YAW] -= m_yaw->value * mx;
}
if ( (in_mlooking || cl_freelook->integer) && !in_strafe.active ) {
cl.viewangles[PITCH] += m_pitch->value * my;
} else {
cmd->forwardmove = ClampChar( cmd->forwardmove - m_forward->value * my );
}
}
/*
==============
CL_CmdButtons
==============
*/
void CL_CmdButtons( usercmd_t *cmd ) {
int i;
//
// figure button bits
// send a button bit even if the key was pressed and released in
// less than a frame
//
for (i = 0 ; i < 15 ; i++) {
if ( in_buttons[i].active || in_buttons[i].wasPressed ) {
cmd->buttons |= 1 << i;
}
in_buttons[i].wasPressed = qfalse;
}
if ( Key_GetCatcher( ) ) {
cmd->buttons |= BUTTON_TALK;
}
// allow the game to know if any key at all is
// currently pressed, even if it isn't bound to anything
if ( anykeydown && Key_GetCatcher( ) == 0 ) {
cmd->buttons |= BUTTON_ANY;
}
}
/*
==============
CL_FinishMove
==============
*/
void CL_FinishMove( usercmd_t *cmd ) {
int i;
// copy the state that the cgame is currently sending
cmd->weapon = cl.cgameUserCmdValue;
// send the current server time so the amount of movement
// can be determined without allowing cheating
cmd->serverTime = cl.serverTime;
for (i=0 ; i<3 ; i++) {
cmd->angles[i] = ANGLE2SHORT(cl.viewangles[i]);
}
}
/*
=================
CL_CreateCmd
=================
*/
usercmd_t CL_CreateCmd( void ) {
usercmd_t cmd;
vec3_t oldAngles;
VectorCopy( cl.viewangles, oldAngles );
// keyboard angle adjustment
CL_AdjustAngles ();
Com_Memset( &cmd, 0, sizeof( cmd ) );
CL_CmdButtons( &cmd );
// get basic movement from keyboard
CL_KeyMove( &cmd );
// get basic movement from mouse
CL_MouseMove( &cmd );
// get basic movement from joystick
CL_JoystickMove( &cmd );
#if USE_VOIP
if ( ( in_voiprecord.active ) && ( !cl_voipSend->integer ) ) {
Cvar_Set("cl_voipSend", "1");
} else if ( ( !in_voiprecord.active ) && ( cl_voipSend->integer ) ) {
Cvar_Set("cl_voipSend", "0");
}
#endif
// check to make sure the angles haven't wrapped
if ( cl.viewangles[PITCH] - oldAngles[PITCH] > 90 ) {
cl.viewangles[PITCH] = oldAngles[PITCH] + 90;
} else if ( oldAngles[PITCH] - cl.viewangles[PITCH] > 90 ) {
cl.viewangles[PITCH] = oldAngles[PITCH] - 90;
}
// store out the final values
CL_FinishMove( &cmd );
// draw debug graphs of turning for mouse testing
if ( cl_debugMove->integer ) {
if ( cl_debugMove->integer == 1 ) {
SCR_DebugGraph( abs(cl.viewangles[YAW] - oldAngles[YAW]), 0 );
}
if ( cl_debugMove->integer == 2 ) {
SCR_DebugGraph( abs(cl.viewangles[PITCH] - oldAngles[PITCH]), 0 );
}
}
return cmd;
}
/*
=================
CL_CreateNewCommands
Create a new usercmd_t structure for this frame
=================
*/
void CL_CreateNewCommands( void ) {
usercmd_t *cmd;
int cmdNum;
// no need to create usercmds until we have a gamestate
if ( cls.state < CA_PRIMED ) {
return;
}
frame_msec = com_frameTime - old_com_frameTime;
// if running less than 5fps, truncate the extra time to prevent
// unexpected moves after a hitch
if ( frame_msec > 200 ) {
frame_msec = 200;
}
old_com_frameTime = com_frameTime;
// generate a command for this frame
cl.cmdNumber++;
cmdNum = cl.cmdNumber & CMD_MASK;
cl.cmds[cmdNum] = CL_CreateCmd ();
cmd = &cl.cmds[cmdNum];
}
/*
=================
CL_ReadyToSendPacket
Returns qfalse if we are over the maxpackets limit
and should choke back the bandwidth a bit by not sending
a packet this frame. All the commands will still get
delivered in the next packet, but saving a header and
getting more delta compression will reduce total bandwidth.
=================
*/
qboolean CL_ReadyToSendPacket( void ) {
int oldPacketNum;
int delta;
// don't send anything if playing back a demo
if ( clc.demoplaying || cls.state == CA_CINEMATIC ) {
return qfalse;
}
// If we are downloading, we send no less than 50ms between packets
if ( *clc.downloadTempName &&
cls.realtime - clc.lastPacketSentTime < 50 ) {
return qfalse;
}
// if we don't have a valid gamestate yet, only send
// one packet a second
if ( cls.state != CA_ACTIVE &&
cls.state != CA_PRIMED &&
!*clc.downloadTempName &&
cls.realtime - clc.lastPacketSentTime < 1000 ) {
return qfalse;
}
// send every frame for loopbacks
if ( clc.netchan.remoteAddress.type == NA_LOOPBACK ) {
return qtrue;
}
// send every frame for LAN
if ( cl_lanForcePackets->integer && Sys_IsLANAddress( clc.netchan.remoteAddress ) ) {
return qtrue;
}
// check for exceeding cl_maxpackets
if ( cl_maxpackets->integer < 15 ) {
Cvar_Set( "cl_maxpackets", "15" );
} else if ( cl_maxpackets->integer > 125 ) {
Cvar_Set( "cl_maxpackets", "125" );
}
oldPacketNum = (clc.netchan.outgoingSequence - 1) & PACKET_MASK;
delta = cls.realtime - cl.outPackets[ oldPacketNum ].p_realtime;
if ( delta < 1000 / cl_maxpackets->integer ) {
// the accumulated commands will go out in the next packet
return qfalse;
}
return qtrue;
}
/*
===================
CL_WritePacket
Create and send the command packet to the server
Including both the reliable commands and the usercmds
During normal gameplay, a client packet will contain something like:
4 sequence number
2 qport
4 serverid
4 acknowledged sequence number
4 clc.serverCommandSequence
<optional reliable commands>
1 clc_move or clc_moveNoDelta
1 command count
<count * usercmds>
===================
*/
void CL_WritePacket( void ) {
msg_t buf;
byte data[MAX_MSGLEN];
int i, j;
usercmd_t *cmd, *oldcmd;
usercmd_t nullcmd;
int packetNum;
int oldPacketNum;
int count, key;
// don't send anything if playing back a demo
if ( clc.demoplaying || cls.state == CA_CINEMATIC ) {
return;
}
Com_Memset( &nullcmd, 0, sizeof(nullcmd) );
oldcmd = &nullcmd;
MSG_Init( &buf, data, sizeof(data) );
MSG_Bitstream( &buf );
// write the current serverId so the server
// can tell if this is from the current gameState
MSG_WriteLong( &buf, cl.serverId );
// write the last message we received, which can
// be used for delta compression, and is also used
// to tell if we dropped a gamestate
MSG_WriteLong( &buf, clc.serverMessageSequence );
// write the last reliable message we received
MSG_WriteLong( &buf, clc.serverCommandSequence );
// write any unacknowledged clientCommands
for ( i = clc.reliableAcknowledge + 1 ; i <= clc.reliableSequence ; i++ ) {
MSG_WriteByte( &buf, clc_clientCommand );
MSG_WriteLong( &buf, i );
MSG_WriteString( &buf, clc.reliableCommands[ i & (MAX_RELIABLE_COMMANDS-1) ] );
}
// we want to send all the usercmds that were generated in the last
// few packet, so even if a couple packets are dropped in a row,
// all the cmds will make it to the server
if ( cl_packetdup->integer < 0 ) {
Cvar_Set( "cl_packetdup", "0" );
} else if ( cl_packetdup->integer > 5 ) {
Cvar_Set( "cl_packetdup", "5" );
}
oldPacketNum = (clc.netchan.outgoingSequence - 1 - cl_packetdup->integer) & PACKET_MASK;
count = cl.cmdNumber - cl.outPackets[ oldPacketNum ].p_cmdNumber;
if ( count > MAX_PACKET_USERCMDS ) {
count = MAX_PACKET_USERCMDS;
Com_Printf("MAX_PACKET_USERCMDS\n");
}
#if USE_VOIP
if (clc.voipOutgoingDataSize > 0) { // only send if data.
MSG_WriteByte (&buf, clc_EOF); // placate legacy servers.
MSG_WriteByte (&buf, clc_extension);
MSG_WriteByte (&buf, clc_voip);
MSG_WriteByte (&buf, clc.voipOutgoingGeneration);
MSG_WriteLong (&buf, clc.voipOutgoingSequence);
MSG_WriteByte (&buf, clc.voipOutgoingDataFrames);
MSG_WriteLong (&buf, 0x7FFFFFFF); // !!! FIXME: send to specific people.
MSG_WriteLong (&buf, 0x7FFFFFFF); // !!! FIXME: send to specific people.
MSG_WriteLong (&buf, 0x7FFFFFFF); // !!! FIXME: send to specific people.
MSG_WriteShort (&buf, clc.voipOutgoingDataSize);
MSG_WriteData (&buf, clc.voipOutgoingData, clc.voipOutgoingDataSize);
clc.voipOutgoingSequence += clc.voipOutgoingDataFrames;
clc.voipOutgoingDataSize = 0;
clc.voipOutgoingDataFrames = 0;
} else
#endif
if ( count >= 1 ) {
if ( cl_showSend->integer ) {
Com_Printf( "(%i)", count );
}
// begin a client move command
if ( cl_nodelta->integer || !cl.snap.valid || clc.demowaiting
|| clc.serverMessageSequence != cl.snap.messageNum ) {
MSG_WriteByte (&buf, clc_moveNoDelta);
} else {
MSG_WriteByte (&buf, clc_move);
}
// write the command count
MSG_WriteByte( &buf, count );
// use the checksum feed in the key
key = clc.checksumFeed;
// also use the message acknowledge
key ^= clc.serverMessageSequence;
// also use the last acknowledged server command in the key
key ^= Com_HashKey(clc.serverCommands[ clc.serverCommandSequence & (MAX_RELIABLE_COMMANDS-1) ], 32);
// write all the commands, including the predicted command
for ( i = 0 ; i < count ; i++ ) {
j = (cl.cmdNumber - count + i + 1) & CMD_MASK;
cmd = &cl.cmds[j];
MSG_WriteDeltaUsercmdKey (&buf, key, oldcmd, cmd);
oldcmd = cmd;
}
}
//
// deliver the message
//
packetNum = clc.netchan.outgoingSequence & PACKET_MASK;
cl.outPackets[ packetNum ].p_realtime = cls.realtime;
cl.outPackets[ packetNum ].p_serverTime = oldcmd->serverTime;
cl.outPackets[ packetNum ].p_cmdNumber = cl.cmdNumber;
clc.lastPacketSentTime = cls.realtime;
if ( cl_showSend->integer ) {
Com_Printf( "%i ", buf.cursize );
}
CL_Netchan_Transmit (&clc.netchan, &buf);
// clients never really should have messages large enough
// to fragment, but in case they do, fire them all off
// at once
// TTimo: this causes a packet burst, which is bad karma for winsock
// added a WARNING message, we'll see if there are legit situations where this happens
while ( clc.netchan.unsentFragments ) {
Com_DPrintf( "WARNING: #462 unsent fragments (not supposed to happen!)\n" );
CL_Netchan_TransmitNextFragment( &clc.netchan );
}
}
/*
=================
CL_SendCmd
Called every frame to builds and sends a command packet to the server.
=================
*/
void CL_SendCmd( void ) {
// don't send any message if not connected
if ( cls.state < CA_CONNECTED ) {
return;
}
// don't send commands if paused
if ( com_sv_running->integer && sv_paused->integer && cl_paused->integer ) {
return;
}
// we create commands even if a demo is playing,
CL_CreateNewCommands();
// don't send a packet if the last packet was sent too recently
if ( !CL_ReadyToSendPacket() ) {
if ( cl_showSend->integer ) {
Com_Printf( ". " );
}
return;
}
CL_WritePacket();
}
/*
============
CL_InitInput
============
*/
void CL_InitInput( void ) {
Cmd_AddCommand ("centerview",IN_CenterView);
Cmd_AddCommand ("+moveup",IN_UpDown);
Cmd_AddCommand ("-moveup",IN_UpUp);
Cmd_AddCommand ("+movedown",IN_DownDown);
Cmd_AddCommand ("-movedown",IN_DownUp);
Cmd_AddCommand ("+left",IN_LeftDown);
Cmd_AddCommand ("-left",IN_LeftUp);
Cmd_AddCommand ("+right",IN_RightDown);
Cmd_AddCommand ("-right",IN_RightUp);
Cmd_AddCommand ("+forward",IN_ForwardDown);
Cmd_AddCommand ("-forward",IN_ForwardUp);
Cmd_AddCommand ("+back",IN_BackDown);
Cmd_AddCommand ("-back",IN_BackUp);
Cmd_AddCommand ("+lookup", IN_LookupDown);
Cmd_AddCommand ("-lookup", IN_LookupUp);
Cmd_AddCommand ("+lookdown", IN_LookdownDown);
Cmd_AddCommand ("-lookdown", IN_LookdownUp);
Cmd_AddCommand ("+strafe", IN_StrafeDown);
Cmd_AddCommand ("-strafe", IN_StrafeUp);
Cmd_AddCommand ("+moveleft", IN_MoveleftDown);
Cmd_AddCommand ("-moveleft", IN_MoveleftUp);
Cmd_AddCommand ("+moveright", IN_MoverightDown);
Cmd_AddCommand ("-moveright", IN_MoverightUp);
Cmd_AddCommand ("+speed", IN_SpeedDown);
Cmd_AddCommand ("-speed", IN_SpeedUp);
Cmd_AddCommand ("+attack", IN_Button0Down);
Cmd_AddCommand ("-attack", IN_Button0Up);
Cmd_AddCommand ("+button0", IN_Button0Down);
Cmd_AddCommand ("-button0", IN_Button0Up);
Cmd_AddCommand ("+button1", IN_Button1Down);
Cmd_AddCommand ("-button1", IN_Button1Up);
Cmd_AddCommand ("+button2", IN_Button2Down);
Cmd_AddCommand ("-button2", IN_Button2Up);
Cmd_AddCommand ("+button3", IN_Button3Down);
Cmd_AddCommand ("-button3", IN_Button3Up);
Cmd_AddCommand ("+button4", IN_Button4Down);
Cmd_AddCommand ("-button4", IN_Button4Up);
Cmd_AddCommand ("+button5", IN_Button5Down);
Cmd_AddCommand ("-button5", IN_Button5Up);
Cmd_AddCommand ("+button6", IN_Button6Down);
Cmd_AddCommand ("-button6", IN_Button6Up);
Cmd_AddCommand ("+button7", IN_Button7Down);
Cmd_AddCommand ("-button7", IN_Button7Up);
Cmd_AddCommand ("+button8", IN_Button8Down);
Cmd_AddCommand ("-button8", IN_Button8Up);
Cmd_AddCommand ("+button9", IN_Button9Down);
Cmd_AddCommand ("-button9", IN_Button9Up);
Cmd_AddCommand ("+button10", IN_Button10Down);
Cmd_AddCommand ("-button10", IN_Button10Up);
Cmd_AddCommand ("+button11", IN_Button11Down);
Cmd_AddCommand ("-button11", IN_Button11Up);
Cmd_AddCommand ("+button12", IN_Button12Down);
Cmd_AddCommand ("-button12", IN_Button12Up);
Cmd_AddCommand ("+button13", IN_Button13Down);
Cmd_AddCommand ("-button13", IN_Button13Up);
Cmd_AddCommand ("+button14", IN_Button14Down);
Cmd_AddCommand ("-button14", IN_Button14Up);
Cmd_AddCommand ("+mlook", IN_MLookDown);
Cmd_AddCommand ("-mlook", IN_MLookUp);
#if USE_VOIP
Cmd_AddCommand ("+voiprecord", IN_VoipRecordDown);
Cmd_AddCommand ("-voiprecord", IN_VoipRecordUp);
#endif
cl_nodelta = Cvar_Get ("cl_nodelta", "0", 0);
cl_debugMove = Cvar_Get ("cl_debugMove", "0", 0);
}
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