ref: f5b82c7a8618c716e77568b979057dfe699561d4
dir: /cl_parse.c/
#include <u.h>
#include <libc.h>
#include "dat.h"
#include "quakedef.h"
#include "fns.h"
static char *svc_strings[] =
{
"svc_bad",
"svc_nop",
"svc_disconnect",
"svc_updatestat",
"svc_version", // [long] server version
"svc_setview", // [short] entity number
"svc_sound", // <see code>
"svc_time", // [float] server time
"svc_print", // [string] null terminated string
"svc_stufftext", // [string] stuffed into client's console buffer
// the string should be \n terminated
"svc_setangle", // [vec3] set the view angle to this absolute value
"svc_serverinfo", // [long] version
// [string] signon string
// [string]..[0]model cache [string]...[0]sounds cache
// [string]..[0]item cache
"svc_lightstyle", // [byte] [string]
"svc_updatename", // [byte] [string]
"svc_updatefrags", // [byte] [short]
"svc_clientdata", // <shortbits + data>
"svc_stopsound", // <see code>
"svc_updatecolors", // [byte] [byte]
"svc_particle", // [vec3] <variable>
"svc_damage", // [byte] impact [byte] blood [vec3] from
"svc_spawnstatic",
"OBSOLETE svc_spawnbinary",
"svc_spawnbaseline",
"svc_temp_entity", // <variable>
"svc_setpause",
"svc_signonnum",
"svc_centerprint",
"svc_killedmonster",
"svc_foundsecret",
"svc_spawnstaticsound",
"svc_intermission",
"svc_finale", // [string] music [string] text
"svc_cdtrack", // [byte] track [byte] looptrack
"svc_sellscreen",
"svc_cutscene",
"svc_spawnbaseline2",
"svc_spawnstatic2",
"svc_spawnstaticsound2",
};
//=============================================================================
/*
===============
CL_EntityNum
This error checks and tracks the total number of entities
===============
*/
static entity_t *CL_EntityNum(int num)
{
if (num >= cl.num_entities)
{
if (num >= MAX_EDICTS)
Host_Error ("CL_EntityNum: %d is an invalid number",num);
while (cl.num_entities<=num)
{
cl_entities[cl.num_entities].colormap = vid.colormap;
cl.num_entities++;
}
}
return &cl_entities[num];
}
/*
==================
CL_ParseStartSoundPacket
==================
*/
static void CL_ParseStartSoundPacket(void)
{
vec3_t pos;
int channel, ent;
int sound_num;
int volume;
int field_mask;
float attenuation;
field_mask = MSG_ReadByte();
volume = (field_mask & SND_VOLUME) ? MSG_ReadByte() : Spktvol;
attenuation = (field_mask & SND_ATTENUATION) ? MSG_ReadByte()/64.0 : Spktatt;
if(field_mask & (cl.protocol->fl_large_entity | cl.protocol->fl_large_channel)){
ent = MSG_ReadShort();
channel = MSG_ReadByte();
}else{
channel = MSG_ReadShort ();
ent = channel >> 3;
channel &= 7;
}
sound_num = (field_mask & cl.protocol->fl_large_sound) ? MSG_ReadShort() : MSG_ReadByte();
if(ent > MAX_EDICTS)
Host_Error("CL_ParseStartSoundPacket: ent = %d", ent);
MSG_ReadVec(cl.protocol, pos);
startsfx (ent, channel, cl.sound_precache[sound_num], pos, volume/255.0, attenuation);
}
/*
==================
CL_KeepaliveMessage
When the client is taking a long time to load stuff, send keepalive messages
so the server doesn't disconnect.
==================
*/
static void CL_KeepaliveMessage (void)
{
float time;
static float lastmsg;
int ret;
sizebuf_t old;
static byte olddata[NET_MAXMESSAGE];
if (sv.active)
return; // no need if server is local
if (cls.demoplayback)
return;
// read messages from server, should just be nops
old = net_message;
memcpy (olddata, net_message.data, net_message.cursize);
do
{
ret = readcl ();
switch (ret)
{
default:
Host_Error ("CL_KeepaliveMessage: readcl failed");
case 0:
break; // nothing waiting
case 1:
Host_Error ("CL_KeepaliveMessage: received a message");
break;
case 2:
if (MSG_ReadByte() != svc_nop)
Host_Error ("CL_KeepaliveMessage: datagram wasn't a nop");
break;
}
} while (ret);
net_message = old;
memcpy (net_message.data, olddata, net_message.cursize);
// check time
time = dtime ();
if (time - lastmsg < 5)
return;
lastmsg = time;
// write out a nop
Con_Printf ("--> client to server keepalive\n");
MSG_WriteByte (&cls.message, clc_nop);
NET_SendMessage (cls.netcon, &cls.message);
SZ_Clear (&cls.message);
}
/*
==================
CL_ParseServerInfo
==================
*/
static void CL_ParseServerInfo (void)
{
char *str;
void *p;
int i, n;
int nummodels, numsounds;
static char model_precache[MAX_MODELS][Npath];
static char sound_precache[MAX_SOUNDS][Npath];
Con_DPrintf("CL_ParseServerInfo: parsing serverinfo pkt...\n");
//
// wipe the client_state_t struct
//
CL_ClearState ();
// parse protocol version number
i = MSG_ReadLong ();
free(cl.protocol);
p = nil;
for(n = 0; n < nelem(protos); n++){
if(protos[n].version == i){
p = &protos[n];
break;
}
}
if(p == nil){
Con_Printf ("Server returned unknown protocol version %d", i);
return;
}
cl.protocol = malloc(sizeof(*cl.protocol));
memmove(cl.protocol, p, sizeof(*cl.protocol));
cl.protocol->MSG_ReadProtocolInfo(cl.protocol);
// parse maxclients
cl.maxclients = MSG_ReadByte ();
if (cl.maxclients < 1 || cl.maxclients > MAX_SCOREBOARD)
{
Con_Printf("Bad maxclients (%d) from server\n", cl.maxclients);
return;
}
cl.scores = Hunk_Alloc(cl.maxclients * sizeof *cl.scores);
// parse gametype
cl.gametype = MSG_ReadByte ();
// parse signon message
str = MSG_ReadString ();
strncpy (cl.levelname, str, sizeof(cl.levelname)-1);
// seperate the printfs so the server message can have a color
Con_Printf("\n\n\35\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\36\37\n\n");
Con_Printf ("%c%s\n", 2, str);
//
// first we go through and touch all of the precache data that still
// happens to be in the cache, so precaching something else doesn't
// needlessly purge it
//
// precache models
memset(cl.model_precache, 0, sizeof cl.model_precache);
for (nummodels=1 ; ; nummodels++)
{
str = MSG_ReadString ();
if (!str[0])
break;
if (nummodels==MAX_MODELS)
{
Con_Printf ("Server sent too many model precaches\n");
return;
}
strcpy (model_precache[nummodels], str);
Mod_TouchModel (str);
}
// precache sounds
memset(cl.sound_precache, 0, sizeof cl.sound_precache);
sfxbegin();
for (numsounds=1 ; ; numsounds++)
{
str = MSG_ReadString ();
if (!str[0])
break;
if (numsounds==MAX_SOUNDS)
{
Con_Printf ("Server sent too many sound precaches\n");
return;
}
strcpy (sound_precache[numsounds], str);
touchsfx (str);
}
//
// now we try to load everything else until a cache allocation fails
//
for (i=1 ; i<nummodels ; i++)
{
cl.model_precache[i] = Mod_ForName (model_precache[i], false);
if (cl.model_precache[i] == nil)
{
Con_Printf("Model %s not found\n", model_precache[i]);
return;
}
CL_KeepaliveMessage ();
}
for (i=1 ; i<numsounds ; i++)
{
cl.sound_precache[i] = precachesfx (sound_precache[i]);
CL_KeepaliveMessage ();
}
// local state
cl_entities[0].model = cl.worldmodel = cl.model_precache[1];
R_NewMap ();
noclip_anglehack = false; // noclip is turned off at start
}
/*
==================
CL_ParseUpdate
Parse an entity update message from the server
If an entities model or origin changes from frame to frame, it must be
relinked. Other attributes can change without relinking.
==================
*/
static int bitcounts[16];
static void CL_ParseUpdate (int bits)
{
int i;
model_t *model;
int modnum;
qboolean forcelink;
entity_t *ent;
int num, skin, colormap;
if (cls.signon == SIGNONS - 1)
{ // first update is the final signon stage
cls.signon = SIGNONS;
CL_SignonReply ();
}
if (bits & U_MOREBITS){
bits |= MSG_ReadByte()<<8;
if(bits & U_MOREBITS2){
bits |= MSG_ReadByte()<<16;
if(bits & U_MOREBITS3)
bits |= MSG_ReadByte()<<24;
}
if(bits == -1)
Host_Error("CL_ParseUpdate: unexpected EOF while reading extended bits");
}
num = (bits & U_LONGENTITY) ? MSG_ReadShort() : MSG_ReadByte ();
ent = CL_EntityNum (num);
for (i=0 ; i<16 ; i++)
if (bits&(1<<i))
bitcounts[i]++;
forcelink = ent->msgtime != cl.mtime[1]; // no previous frame to lerp from
ent->msgtime = cl.mtime[0];
// shift the known values for interpolation
VectorCopy (ent->msg_origins[0], ent->msg_origins[1]);
VectorCopy (ent->msg_angles[0], ent->msg_angles[1]);
modnum = (bits & U_MODEL) ? MSG_ReadByte() : ent->baseline.modelindex;
ent->frame = (bits & U_FRAME) ? MSG_ReadByte() : ent->baseline.frame;
colormap = (bits & U_COLORMAP) ? MSG_ReadByte() : ent->baseline.colormap;
skin = (bits & U_SKIN) ? MSG_ReadByte() : ent->baseline.skin;
ent->effects = (bits & U_EFFECTS) ? MSG_ReadByte() : ent->baseline.effects;
if(colormap == 0)
ent->colormap = vid.colormap;
else if(colormap > cl.maxclients)
fatal("colormap > cl.maxclients");
else
ent->colormap = cl.scores[colormap-1].translations;
if(skin != ent->skinnum && num >= 0 && num <= cl.maxclients){
// FIXME(sigrid): update the skin
ent->skinnum = skin;
}
ent->msg_origins[0][0] = (bits & U_ORIGIN1) ? cl.protocol->MSG_ReadCoord() : ent->baseline.origin[0];
ent->msg_angles[0][0] = (bits & U_ANGLE1) ? cl.protocol->MSG_ReadAngle() : ent->baseline.angles[0];
ent->msg_origins[0][1] = (bits & U_ORIGIN2) ? cl.protocol->MSG_ReadCoord() : ent->baseline.origin[1];
ent->msg_angles[0][1] = (bits & U_ANGLE2) ? cl.protocol->MSG_ReadAngle() : ent->baseline.angles[1];
ent->msg_origins[0][2] = (bits & U_ORIGIN3) ? cl.protocol->MSG_ReadCoord() : ent->baseline.origin[2];
ent->msg_angles[0][2] = (bits & U_ANGLE3) ? cl.protocol->MSG_ReadAngle() : ent->baseline.angles[2];
if(bits & U_NOLERP)
ent->forcelink = true;
if(bits & cl.protocol->fl_large_frame)
ent->frame |= MSG_ReadByte()<<8;
if(bits & cl.protocol->fl_large_model)
modnum |= MSG_ReadByte()<<8;
if(modnum < 0 || modnum >= MAX_MODELS)
Host_Error("CL_ParseModel: bad modnum: %d (bits 0x%08ux)", modnum, bits);
model = cl.model_precache[modnum];
if (model != ent->model)
{
ent->model = model;
// automatic animation (torches, etc) can be either all together
// or randomized
if (model)
{
if (model->synctype == ST_RAND)
ent->syncbase = (float)(rand()&0x7fff) / 0x7fff;
else
ent->syncbase = 0.0;
}
else
forcelink = true; // hack to make null model players work
}
if ( forcelink )
{ // didn't have an update last message
VectorCopy (ent->msg_origins[0], ent->msg_origins[1]);
VectorCopy (ent->msg_origins[0], ent->origin);
VectorCopy (ent->msg_angles[0], ent->msg_angles[1]);
VectorCopy (ent->msg_angles[0], ent->angles);
ent->forcelink = true;
}
}
/*
==================
CL_ParseBaseline
==================
*/
static void CL_ParseBaseline (int withbits, entity_t *ent)
{
int i, bits;
bits = withbits ? MSG_ReadByte() : 0;
ent->baseline.modelindex = (bits & cl.protocol->fl_large_baseline_model) ? MSG_ReadShort() : MSG_ReadByte();
ent->baseline.frame = (bits & cl.protocol->fl_large_baseline_frame) ? MSG_ReadShort() : MSG_ReadByte();
ent->baseline.colormap = MSG_ReadByte();
ent->baseline.skin = MSG_ReadByte();
for (i=0 ; i<3 ; i++)
{
ent->baseline.origin[i] = cl.protocol->MSG_ReadCoord ();
ent->baseline.angles[i] = cl.protocol->MSG_ReadAngle ();
}
}
/*
==================
CL_ParseClientdata
Server information pertaining to this client only
==================
*/
static void CL_ParseClientdata (unsigned int bits)
{
int i, j, weaponmodel;
if(bits & SU_MOREBITS){
bits |= MSG_ReadByte() << 16;
if(bits & SU_MOREBITS2)
bits |= MSG_ReadByte() << 24;
}
cl.viewheight = (bits & SU_VIEWHEIGHT) ? MSG_ReadChar() : DEFAULT_VIEWHEIGHT;
cl.idealpitch = (bits & SU_IDEALPITCH) ? MSG_ReadChar() : 0;
VectorCopy(cl.mvelocity[0], cl.mvelocity[1]);
for (i=0 ; i<3 ; i++)
{
cl.punchangle[i] = (bits & (SU_PUNCH1<<i)) ? MSG_ReadChar() : 0;
cl.mvelocity[0][i] = (bits & (SU_VELOCITY1<<i)) ? MSG_ReadChar()*16 : 0;
}
i = (bits & SU_ITEMS) ? MSG_ReadLong() : cl.items;
if(cl.items != i){ // set flash times
Sbar_Changed ();
for (j=0 ; j<32 ; j++)
if ( (i & (1<<j)) && !(cl.items & (1<<j)))
cl.item_gettime[j] = cl.time;
cl.items = i;
}
cl.onground = (bits & SU_ONGROUND) != 0;
cl.inwater = (bits & SU_INWATER) != 0;
cl.stats[STAT_WEAPONFRAME] = (bits & SU_WEAPONFRAME) ? MSG_ReadByte() : 0;
i = (bits & SU_ARMOR) ? MSG_ReadByte() : 0;
if(cl.stats[STAT_ARMOR] != i){
cl.stats[STAT_ARMOR] = i;
Sbar_Changed ();
}
weaponmodel = (bits & SU_WEAPON) ? MSG_ReadByte() : 0;
i = MSG_ReadShort();
if (cl.stats[STAT_HEALTH] != i){
cl.stats[STAT_HEALTH] = i;
Sbar_Changed();
}
i = MSG_ReadByte();
if(cl.stats[STAT_AMMO] != i){
cl.stats[STAT_AMMO] = i;
Sbar_Changed();
}
for (i=0 ; i<4 ; i++){
j = MSG_ReadByte();
if(cl.stats[STAT_SHELLS+i] != j){
cl.stats[STAT_SHELLS+i] = j;
Sbar_Changed();
}
}
i = MSG_ReadByte();
if(standard_quake){
if(cl.stats[STAT_ACTIVEWEAPON] != i){
cl.stats[STAT_ACTIVEWEAPON] = i;
Sbar_Changed();
}
}else if(cl.stats[STAT_ACTIVEWEAPON] != (1<<i)){
cl.stats[STAT_ACTIVEWEAPON] = (1<<i);
Sbar_Changed();
}
if(bits & cl.protocol->fl_large_weaponmodel)
weaponmodel |= MSG_ReadByte() << 8;
if(cl.stats[STAT_WEAPON] != weaponmodel){
cl.stats[STAT_WEAPON] = weaponmodel;
Sbar_Changed();
}
if(bits & cl.protocol->fl_large_weaponframe)
cl.stats[STAT_WEAPONFRAME] |= MSG_ReadByte() << 8;
if(cl.viewent.model != cl.model_precache[cl.stats[STAT_WEAPON]]){
// FIXME(sigrid) - reset lerp
}
}
/*
=====================
CL_NewTranslation
=====================
*/
static void CL_NewTranslation (int slot)
{
int i, j;
int top, bottom;
byte *dest, *source;
if (slot > cl.maxclients)
fatal ("CL_NewTranslation: slot > cl.maxclients");
dest = cl.scores[slot].translations;
source = vid.colormap;
memcpy(dest, vid.colormap, sizeof cl.scores[slot].translations);
top = cl.scores[slot].colors & 0xf0;
bottom = (cl.scores[slot].colors &15)<<4;
for (i=0 ; i<VID_GRADES ; i++, dest += 256, source+=256)
{
if (top < 128) // the artists made some backwards ranges. sigh.
memcpy (dest + TOP_RANGE, source + top, 16);
else
for (j=0 ; j<16 ; j++)
dest[TOP_RANGE+j] = source[top+15-j];
if (bottom < 128)
memcpy (dest + BOTTOM_RANGE, source + bottom, 16);
else
for (j=0 ; j<16 ; j++)
dest[BOTTOM_RANGE+j] = source[bottom+15-j];
}
}
/*
=====================
CL_ParseStatic
=====================
*/
static void CL_ParseStatic (int withbits)
{
entity_t *ent;
int i;
i = cl.num_statics;
if (i >= MAX_STATIC_ENTITIES)
Host_Error ("Too many static entities");
ent = &cl_static_entities[i];
cl.num_statics++;
CL_ParseBaseline(withbits, ent);
// copy it to the current state
ent->model = cl.model_precache[ent->baseline.modelindex];
ent->frame = ent->baseline.frame;
ent->colormap = vid.colormap;
ent->skinnum = ent->baseline.skin;
ent->effects = ent->baseline.effects;
VectorCopy (ent->baseline.origin, ent->origin);
VectorCopy (ent->baseline.angles, ent->angles);
R_AddEfrags (ent);
}
/*
===================
CL_ParseStaticSound
===================
*/
static void CL_ParseStaticSound (int large_sound)
{
vec3_t org;
int sound_num, vol, atten;
MSG_ReadVec(cl.protocol, org);
sound_num = large_sound ? MSG_ReadShort() : MSG_ReadByte();
vol = MSG_ReadByte();
atten = MSG_ReadByte();
staticsfx(cl.sound_precache[sound_num], org, vol, atten);
}
#define SHOWNET(x) if(cl_shownet.value==2)Con_Printf ("%3d:%s\n", msg_readcount-1, x);
/*
=====================
CL_ParseServerMessage
=====================
*/
void CL_ParseServerMessage (void)
{
int cmd, i, n;
protocol_t *p;
//
// if recording demos, copy the message out
//
if (cl_shownet.value == 1)
Con_Printf ("%d ",net_message.cursize);
else if (cl_shownet.value == 2)
Con_Printf ("------------------\n");
cl.onground = false; // unless the server says otherwise
//
// parse the message
//
MSG_BeginReading ();
while (1)
{
if (msg_badread)
Host_Error ("CL_ParseServerMessage: Bad server message");
cmd = MSG_ReadByte ();
if (cmd < 0)
{
SHOWNET("END OF MESSAGE");
return; // end of message
}
// if the high bit of the command byte is set, it is a fast update
if (cmd & U_SIGNAL)
{
SHOWNET("fast update");
CL_ParseUpdate (cmd);
continue;
}
SHOWNET(svc_strings[cmd]);
// other commands
switch (cmd)
{
default:
Host_Error ("CL_ParseServerMessage: Illegible server message (cmd %d)\n", cmd);
break;
case svc_nop:
// Con_Printf ("svc_nop\n");
break;
case svc_time:
cl.mtime[1] = cl.mtime[0];
cl.mtime[0] = MSG_ReadFloat ();
break;
case svc_clientdata:
CL_ParseClientdata((ushort)MSG_ReadShort());
break;
case svc_version:
i = MSG_ReadLong();
for(p = nil, n = 0; n < nelem(protos); n++){
if(protos[n].version == i){
p = &protos[n];
break;
}
}
if(p == nil)
Host_Error("CL_ParseServerMessage: server uses unknown protocol %d\n", i);
if(p->version != cl.protocol->version)
Host_Error("CL_ParseServerMessage: server decided to switch protocol to %d mid-game?\n", i);
break;
case svc_disconnect:
Host_EndGame ("Server disconnected\n");
case svc_print:
Con_Printf ("%s", MSG_ReadString ());
break;
case svc_centerprint:
SCR_CenterPrint (MSG_ReadString ());
break;
case svc_stufftext:
Cbuf_AddText (MSG_ReadString ());
break;
case svc_damage:
V_ParseDamage ();
break;
case svc_serverinfo:
CL_ParseServerInfo ();
vid.recalc_refdef = true; // leave intermission full screen
break;
case svc_setangle:
for (i=0 ; i<3 ; i++)
cl.viewangles[i] = cl.protocol->MSG_ReadAngle ();
break;
case svc_setview:
cl.viewentity = MSG_ReadShort ();
break;
case svc_lightstyle:
i = MSG_ReadByte ();
if (i >= Nlights)
fatal ("svc_lightstyle > Nlights");
strcpy(cl_lightstyle[i].map, MSG_ReadString());
cl_lightstyle[i].length = strlen(cl_lightstyle[i].map);
break;
case svc_sound:
CL_ParseStartSoundPacket();
break;
case svc_stopsound:
i = MSG_ReadShort();
stopsfx(i>>3, i&7);
break;
case svc_updatename:
Sbar_Changed ();
i = MSG_ReadByte ();
if (i >= cl.maxclients)
Host_Error ("CL_ParseServerMessage: svc_updatename > MAX_SCOREBOARD");
strcpy (cl.scores[i].name, MSG_ReadString ());
break;
case svc_updatefrags:
Sbar_Changed ();
i = MSG_ReadByte ();
if (i >= cl.maxclients)
Host_Error ("CL_ParseServerMessage: svc_updatefrags > MAX_SCOREBOARD");
cl.scores[i].frags = MSG_ReadShort ();
break;
case svc_updatecolors:
Sbar_Changed ();
i = MSG_ReadByte ();
if (i >= cl.maxclients)
Host_Error ("CL_ParseServerMessage: svc_updatecolors > MAX_SCOREBOARD");
cl.scores[i].colors = MSG_ReadByte ();
CL_NewTranslation (i);
break;
case svc_particle:
R_ParseParticleEffect ();
break;
case svc_spawnbaseline:
case svc_spawnbaseline2:
i = MSG_ReadShort();
// must use CL_EntityNum() to force cl.num_entities up
CL_ParseBaseline(cmd == svc_spawnbaseline2, CL_EntityNum(i));
break;
case svc_spawnstatic:
case svc_spawnstatic2:
CL_ParseStatic(cmd == svc_spawnstatic2);
break;
case svc_temp_entity:
CL_ParseTEnt();
break;
case svc_setpause:
{
cl.paused = MSG_ReadByte ();
if (cl.paused)
pausecd();
else
resumecd();
}
break;
case svc_signonnum:
i = MSG_ReadByte ();
if (i <= cls.signon)
Host_Error ("Received signon %d when at %d", i, cls.signon);
cls.signon = i;
CL_SignonReply ();
break;
case svc_killedmonster:
cl.stats[STAT_MONSTERS]++;
break;
case svc_foundsecret:
cl.stats[STAT_SECRETS]++;
break;
case svc_updatestat:
i = MSG_ReadByte ();
if (i < 0 || i >= MAX_CL_STATS)
fatal ("svc_updatestat: %d is invalid", i);
cl.stats[i] = MSG_ReadLong ();;
break;
case svc_spawnstaticsound:
case svc_spawnstaticsound2:
CL_ParseStaticSound(cmd == svc_spawnstaticsound2);
break;
case svc_cdtrack:
cl.cdtrack = MSG_ReadByte ();
MSG_ReadByte(); /* looptrack */
if((cls.demoplayback || cls.demorecording) && cls.forcetrack > 0)
playcd(cls.forcetrack, 1);
else
playcd(cl.cdtrack, 1);
break;
case svc_intermission:
cl.intermission = 1;
cl.completed_time = cl.time;
vid.recalc_refdef = true; // go to full screen
break;
case svc_finale:
cl.intermission = 2;
cl.completed_time = cl.time;
vid.recalc_refdef = true; // go to full screen
SCR_CenterPrint (MSG_ReadString ());
break;
case svc_cutscene:
cl.intermission = 3;
cl.completed_time = cl.time;
vid.recalc_refdef = true; // go to full screen
SCR_CenterPrint (MSG_ReadString ());
break;
case svc_sellscreen:
Cmd_ExecuteString ("help", src_command);
break;
}
}
}