Xash3D FWGS engine.
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/*
cl_parse.c - parse a message received from the server
Copyright (C) 2008 Uncle Mike
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 3 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.
*/
#include "common.h"
#include "client.h"
#include "net_encode.h"
#include "particledef.h"
#include "cl_tent.h"
#include "shake.h"
#include "hltv.h"
#include "input.h"
/*
==================
CL_ParseStaticEntity
static client entity
==================
*/
void CL_LegacyParseStaticEntity( sizebuf_t *msg )
{
int i;
entity_state_t state;
cl_entity_t *ent;
memset( &state, 0, sizeof( state ));
state.modelindex = MSG_ReadShort( msg );
state.sequence = MSG_ReadByte( msg );
state.frame = MSG_ReadByte( msg );
state.colormap = MSG_ReadWord( msg );
state.skin = MSG_ReadByte( msg );
for( i = 0; i < 3; i++ )
{
state.origin[i] = MSG_ReadCoord( msg );
state.angles[i] = MSG_ReadBitAngle( msg, 16 );
}
state.rendermode = MSG_ReadByte( msg );
if( state.rendermode != kRenderNormal )
{
state.renderamt = MSG_ReadByte( msg );
state.rendercolor.r = MSG_ReadByte( msg );
state.rendercolor.g = MSG_ReadByte( msg );
state.rendercolor.b = MSG_ReadByte( msg );
state.renderfx = MSG_ReadByte( msg );
}
i = clgame.numStatics;
if( i >= MAX_STATIC_ENTITIES )
{
Con_Printf( S_ERROR "MAX_STATIC_ENTITIES limit exceeded!\n" );
return;
}
ent = &clgame.static_entities[i];
clgame.numStatics++;
// all states are same
ent->baseline = ent->curstate = ent->prevstate = state;
ent->index = 0; // static entities doesn't has the numbers
// statics may be respawned in game e.g. for demo recording
if( cls.state == ca_connected || cls.state == ca_validate )
ent->trivial_accept = INVALID_HANDLE;
// setup the new static entity
VectorCopy( ent->curstate.origin, ent->origin );
VectorCopy( ent->curstate.angles, ent->angles );
ent->model = CL_ModelHandle( state.modelindex );
ent->curstate.framerate = 1.0f;
CL_ResetLatchedVars( ent, true );
if( ent->curstate.rendermode == kRenderNormal && ent->model != NULL )
{
// auto 'solid' faces
if( FBitSet( ent->model->flags, MODEL_TRANSPARENT ) && Host_IsQuakeCompatible( ))
{
ent->curstate.rendermode = kRenderTransAlpha;
ent->curstate.renderamt = 255;
}
}
R_AddEfrags( ent ); // add link
}
void CL_LegacyParseSoundPacket( sizebuf_t *msg, qboolean is_ambient )
{
vec3_t pos;
int chan, sound;
float volume, attn;
int flags, pitch, entnum;
sound_t handle = 0;
flags = MSG_ReadWord( msg );
if( flags & SND_LEGACY_LARGE_INDEX )
{
sound = MSG_ReadWord( msg );
flags &= ~SND_LEGACY_LARGE_INDEX;
}
else
sound = MSG_ReadByte( msg );
chan = MSG_ReadByte( msg );
if( FBitSet( flags, SND_VOLUME ))
volume = (float)MSG_ReadByte( msg ) / 255.0f;
else volume = VOL_NORM;
if( FBitSet( flags, SND_ATTENUATION ))
attn = (float)MSG_ReadByte( msg ) / 64.0f;
else attn = ATTN_NONE;
if( FBitSet( flags, SND_PITCH ))
pitch = MSG_ReadByte( msg );
else pitch = PITCH_NORM;
// entity reletive
entnum = MSG_ReadWord( msg );
// positioned in space
MSG_ReadVec3Coord( msg, pos );
if( FBitSet( flags, SND_SENTENCE ))
{
char sentenceName[32];
//if( FBitSet( flags, SND_SEQUENCE ))
//Q_snprintf( sentenceName, sizeof( sentenceName ), "!#%i", sound + MAX_SOUNDS );
//else
Q_snprintf( sentenceName, sizeof( sentenceName ), "!%i", sound );
handle = S_RegisterSound( sentenceName );
}
else handle = cl.sound_index[sound]; // see precached sound
if( !cl.audio_prepped )
return; // too early
// g-cont. sound and ambient sound have only difference with channel
if( is_ambient )
{
S_AmbientSound( pos, entnum, handle, volume, attn, pitch, flags );
}
else
{
S_StartSound( pos, entnum, chan, handle, volume, attn, pitch, flags );
}
}
/*
================
CL_PrecacheSound
prceache sound from server
================
*/
void CL_LegacyPrecacheSound( sizebuf_t *msg )
{
int soundIndex;
soundIndex = MSG_ReadUBitLong( msg, MAX_SOUND_BITS );
if( soundIndex < 0 || soundIndex >= MAX_SOUNDS )
Host_Error( "CL_PrecacheSound: bad soundindex %i\n", soundIndex );
Q_strncpy( cl.sound_precache[soundIndex], MSG_ReadString( msg ), sizeof( cl.sound_precache[0] ));
// when we loading map all resources is precached sequentially
//if( !cl.audio_prepped ) return;
cl.sound_index[soundIndex] = S_RegisterSound( cl.sound_precache[soundIndex] );
}
void CL_LegacyPrecacheModel( sizebuf_t *msg )
{
int modelIndex;
string model;
modelIndex = MSG_ReadUBitLong( msg, MAX_LEGACY_MODEL_BITS );
if( modelIndex < 0 || modelIndex >= MAX_MODELS )
Host_Error( "CL_PrecacheModel: bad modelindex %i\n", modelIndex );
Q_strncpy( model, MSG_ReadString( msg ), MAX_STRING );
//Q_strncpy( cl.model_precache[modelIndex], BF_ReadString( msg ), sizeof( cl.model_precache[0] ));
// when we loading map all resources is precached sequentially
//if( !cl.video_prepped ) return;
if( modelIndex == 1 && !cl.worldmodel )
{
CL_ClearWorld ();
cl.models[modelIndex] = cl.worldmodel = Mod_LoadWorld( model, true );
return;
}
//Mod_RegisterModel( cl.model_precache[modelIndex], modelIndex );
cl.models[modelIndex] = Mod_ForName( model, false, false );
cl.nummodels = Q_max( cl.nummodels, modelIndex );
}
void CL_LegacyPrecacheEvent( sizebuf_t *msg )
{
int eventIndex;
eventIndex = MSG_ReadUBitLong( msg, MAX_EVENT_BITS );
if( eventIndex < 0 || eventIndex >= MAX_EVENTS )
Host_Error( "CL_PrecacheEvent: bad eventindex %i\n", eventIndex );
Q_strncpy( cl.event_precache[eventIndex], MSG_ReadString( msg ), sizeof( cl.event_precache[0] ));
// can be set now
CL_SetEventIndex( cl.event_precache[eventIndex], eventIndex );
}
#if XASH_LOW_MEMORY == 0
#define MAX_LEGACY_RESOURCES 2048
#elif XASH_LOW_MEMORY == 2
#define MAX_LEGACY_RESOURCES 1
#elif XASH_LOW_MEMORY == 1
#define MAX_LEGACY_RESOURCES 512
#endif
/*
==============
CL_ParseResourceList
==============
*/
void CL_LegacyParseResourceList( sizebuf_t *msg )
{
int i = 0;
static struct
{
int rescount;
int restype[MAX_LEGACY_RESOURCES];
char resnames[MAX_LEGACY_RESOURCES][MAX_QPATH];
} reslist;
memset( &reslist, 0, sizeof( reslist ));
reslist.rescount = MSG_ReadWord( msg ) - 1;
if( reslist.rescount > MAX_LEGACY_RESOURCES )
Host_Error("MAX_RESOURCES reached\n");
for( i = 0; i < reslist.rescount; i++ )
{
reslist.restype[i] = MSG_ReadWord( msg );
Q_strncpy( reslist.resnames[i], MSG_ReadString( msg ), MAX_QPATH );
}
if( CL_IsPlaybackDemo() )
{
return;
}
HTTP_ResetProcessState();
host.downloadcount = 0;
for( i = 0; i < reslist.rescount; i++ )
{
char soundpath[MAX_VA_STRING];
const char *path;
if( reslist.restype[i] == t_sound )
{
Q_snprintf( soundpath, sizeof( soundpath ), DEFAULT_SOUNDPATH "%s", reslist.resnames[i] );
path = soundpath;
}
else path = reslist.resnames[i];
if( FS_FileExists( path, false ))
continue; // already exists
host.downloadcount++;
HTTP_AddDownload( path, -1, true );
}
if( !host.downloadcount )
{
MSG_WriteByte( &cls.netchan.message, clc_stringcmd );
MSG_WriteString( &cls.netchan.message, "continueloading" );
}
}
/*
=====================
CL_ParseLegacyServerMessage
dispatch messages
=====================
*/
void CL_ParseLegacyServerMessage( sizebuf_t *msg, qboolean normal_message )
{
size_t bufStart, playerbytes;
int cmd, param1, param2;
int old_background;
const char *s;
cls.starting_count = MSG_GetNumBytesRead( msg ); // updates each frame
CL_Parse_Debug( true ); // begin parsing
if( normal_message )
{
// assume no entity/player update this packet
if( cls.state == ca_active )
{
cl.frames[cls.netchan.incoming_sequence & CL_UPDATE_MASK].valid = false;
cl.frames[cls.netchan.incoming_sequence & CL_UPDATE_MASK].choked = false;
}
else
{
CL_ResetFrame( &cl.frames[cls.netchan.incoming_sequence & CL_UPDATE_MASK] );
}
}
// parse the message
while( 1 )
{
if( MSG_CheckOverflow( msg ))
{
Host_Error( "CL_ParseServerMessage: overflow!\n" );
return;
}
// mark start position
bufStart = MSG_GetNumBytesRead( msg );
// end of message (align bits)
if( MSG_GetNumBitsLeft( msg ) < 8 )
break;
cmd = MSG_ReadServerCmd( msg );
// record command for debugging spew on parse problem
CL_Parse_RecordCommand( cmd, bufStart );
// other commands
switch( cmd )
{
case svc_bad:
Host_Error( "svc_bad\n" );
break;
case svc_nop:
// this does nothing
break;
case svc_disconnect:
CL_Drop ();
Host_AbortCurrentFrame ();
break;
case svc_legacy_event:
CL_ParseEvent( msg );
cl.frames[cl.parsecountmod].graphdata.event += MSG_GetNumBytesRead( msg ) - bufStart;
break;
case svc_legacy_changing:
old_background = cl.background;
if( MSG_ReadOneBit( msg ))
{
int maxclients = cl.maxclients;
cls.changelevel = true;
S_StopAllSounds( true );
Con_Printf( "Server changing, reconnecting\n" );
if( cls.demoplayback )
{
SCR_BeginLoadingPlaque( cl.background );
cls.changedemo = true;
}
CL_ClearState( );
// a1ba: need to restore cl.maxclients because engine chooses
// frame backups count depending on this value
// In general, it's incorrect to call CL_InitEdicts right after
// CL_ClearState because of this bug. Some time later this logic
// should be re-done.
CL_InitEdicts( maxclients ); // re-arrange edicts
}
else Con_Printf( "Server disconnected, reconnecting\n" );
if( cls.demoplayback )
{
cl.background = (cls.demonum != -1) ? true : false;
cls.state = ca_connected;
}
else
{
// g-cont. local client skip the challenge
if( SV_Active( ))
cls.state = ca_disconnected;
else cls.state = ca_connecting;
cl.background = old_background;
cls.connect_time = MAX_HEARTBEAT;
cls.connect_retry = 0;
}
break;
case svc_setview:
CL_ParseViewEntity( msg );
break;
case svc_sound:
CL_LegacyParseSoundPacket( msg, false );
cl.frames[cl.parsecountmod].graphdata.sound += MSG_GetNumBytesRead( msg ) - bufStart;
break;
case svc_legacy_ambientsound:
CL_LegacyParseSoundPacket( msg, true );
cl.frames[cl.parsecountmod].graphdata.sound += MSG_GetNumBytesRead( msg ) - bufStart;
break;
case svc_time:
CL_ParseServerTime( msg );
break;
case svc_print:
Con_Printf( "%s", MSG_ReadString( msg ));
break;
case svc_stufftext:
s = MSG_ReadString( msg );
#ifdef HACKS_RELATED_HLMODS
// disable Cry Of Fear antisave protection
if( !Q_strnicmp( s, "disconnect", 10 ) && cls.signon != SIGNONS )
break; // too early
#endif
Con_Reportf( "Stufftext: %s", s );
Cbuf_AddFilteredText( s );
break;
case svc_setangle:
CL_ParseSetAngle( msg );
break;
case svc_serverdata:
Cbuf_Execute(); // make sure any stuffed commands are done
CL_ParseServerData( msg, true );
break;
case svc_lightstyle:
CL_ParseLightStyle( msg );
break;
case svc_updateuserinfo:
CL_UpdateUserinfo( msg, true );
break;
case svc_deltatable:
Delta_ParseTableField( msg );
break;
case svc_clientdata:
CL_ParseClientData( msg );
cl.frames[cl.parsecountmod].graphdata.client += MSG_GetNumBytesRead( msg ) - bufStart;
break;
case svc_resource:
CL_ParseResource( msg );
break;
case svc_pings:
CL_UpdateUserPings( msg );
break;
case svc_particle:
CL_ParseParticles( msg );
break;
case svc_restoresound:
CL_ParseRestoreSoundPacket( msg );
cl.frames[cl.parsecountmod].graphdata.sound += MSG_GetNumBytesRead( msg ) - bufStart;
break;
case svc_spawnstatic:
CL_LegacyParseStaticEntity( msg );
break;
case svc_event_reliable:
CL_ParseReliableEvent( msg );
cl.frames[cl.parsecountmod].graphdata.event += MSG_GetNumBytesRead( msg ) - bufStart;
break;
case svc_spawnbaseline:
CL_ParseBaseline( msg, true );
break;
case svc_temp_entity:
CL_ParseTempEntity( msg );
cl.frames[cl.parsecountmod].graphdata.tentities += MSG_GetNumBytesRead( msg ) - bufStart;
break;
case svc_setpause:
cl.paused = ( MSG_ReadOneBit( msg ) != 0 );
break;
case svc_signonnum:
CL_ParseSignon( msg );
break;
case svc_centerprint:
CL_CenterPrint( MSG_ReadString( msg ), 0.25f );
break;
case svc_intermission:
cl.intermission = 1;
break;
case svc_legacy_modelindex:
CL_LegacyPrecacheModel( msg );
break;
case svc_legacy_soundindex:
CL_LegacyPrecacheSound( msg );
break;
case svc_cdtrack:
param1 = MSG_ReadByte( msg );
param1 = bound( 1, param1, MAX_CDTRACKS ); // tracknum
param2 = MSG_ReadByte( msg );
param2 = bound( 1, param2, MAX_CDTRACKS ); // loopnum
S_StartBackgroundTrack( clgame.cdtracks[param1-1], clgame.cdtracks[param2-1], 0, false );
break;
case svc_restore:
CL_ParseRestore( msg );
break;
case svc_legacy_eventindex:
CL_LegacyPrecacheEvent(msg);
break;
case svc_weaponanim:
param1 = MSG_ReadByte( msg ); // iAnim
param2 = MSG_ReadByte( msg ); // body
CL_WeaponAnim( param1, param2 );
break;
case svc_bspdecal:
CL_ParseStaticDecal( msg );
break;
case svc_roomtype:
param1 = MSG_ReadShort( msg );
Cvar_SetValue( "room_type", param1 );
break;
case svc_addangle:
CL_ParseAddAngle( msg );
break;
case svc_usermessage:
CL_RegisterUserMessage( msg );
break;
case svc_packetentities:
playerbytes = CL_ParsePacketEntities( msg, false );
cl.frames[cl.parsecountmod].graphdata.players += playerbytes;
cl.frames[cl.parsecountmod].graphdata.entities += MSG_GetNumBytesRead( msg ) - bufStart - playerbytes;
break;
case svc_deltapacketentities:
playerbytes = CL_ParsePacketEntities( msg, true );
cl.frames[cl.parsecountmod].graphdata.players += playerbytes;
cl.frames[cl.parsecountmod].graphdata.entities += MSG_GetNumBytesRead( msg ) - bufStart - playerbytes;
break;
case svc_legacy_chokecount:
{
int i, j;
i = MSG_ReadByte( msg );
j = cls.netchan.incoming_acknowledged - 1;
for( ; i > 0 && j > cls.netchan.outgoing_sequence - CL_UPDATE_BACKUP; j-- )
{
if( cl.frames[j & CL_UPDATE_MASK].receivedtime != -3.0 )
{
cl.frames[j & CL_UPDATE_MASK].choked = true;
cl.frames[j & CL_UPDATE_MASK].receivedtime = -2.0;
i--;
}
}
break;
}
//cl.frames[cls.netchan.incoming_sequence & CL_UPDATE_MASK].choked = true;
//cl.frames[cls.netchan.incoming_sequence & CL_UPDATE_MASK].receivedtime = -2.0;
break;
case svc_resourcelist:
CL_LegacyParseResourceList( msg );
break;
case svc_deltamovevars:
CL_ParseMovevars( msg );
break;
case svc_resourcerequest:
CL_ParseResourceRequest( msg );
break;
case svc_customization:
CL_ParseCustomization( msg );
break;
case svc_crosshairangle:
CL_ParseCrosshairAngle( msg );
break;
case svc_soundfade:
CL_ParseSoundFade( msg );
break;
case svc_filetxferfailed:
CL_ParseFileTransferFailed( msg );
break;
case svc_hltv:
CL_ParseHLTV( msg );
break;
case svc_director:
CL_ParseDirector( msg );
break;
case svc_resourcelocation:
CL_ParseResLocation( msg );
break;
case svc_querycvarvalue:
CL_ParseCvarValue( msg, false );
break;
case svc_querycvarvalue2:
CL_ParseCvarValue( msg, true );
break;
default:
CL_ParseUserMessage( msg, cmd );
cl.frames[cl.parsecountmod].graphdata.usr += MSG_GetNumBytesRead( msg ) - bufStart;
break;
}
}
cl.frames[cl.parsecountmod].graphdata.msgbytes += MSG_GetNumBytesRead( msg ) - cls.starting_count;
CL_Parse_Debug( false ); // done
// we don't know if it is ok to save a demo message until
// after we have parsed the frame
if( !cls.demoplayback )
{
if( cls.demorecording && !cls.demowaiting )
{
CL_WriteDemoMessage( false, cls.starting_count, msg );
}
else if( cls.state != ca_active )
{
CL_WriteDemoMessage( true, cls.starting_count, msg );
}
}
}
void CL_LegacyPrecache_f( void )
{
int spawncount, i;
model_t *mod;
if( !cls.legacymode )
return;
spawncount = Q_atoi( Cmd_Argv( 1 ));
Con_Printf( "Setting up renderer...\n" );
// load tempent sprites (glowshell, muzzleflashes etc)
CL_LoadClientSprites ();
// invalidate all decal indexes
memset( cl.decal_index, 0, sizeof( cl.decal_index ));
cl.video_prepped = true;
cl.audio_prepped = true;
if( clgame.entities )
clgame.entities->model = cl.worldmodel;
// update the ref state.
R_UpdateRefState ();
// tell rendering system we have a new set of models.
ref.dllFuncs.R_NewMap ();
CL_SetupOverviewParams();
// release unused SpriteTextures
for( i = 1, mod = clgame.sprites; i < MAX_CLIENT_SPRITES; i++, mod++ )
{
if( mod->needload == NL_UNREFERENCED && COM_CheckString( mod->name ))
Mod_FreeModel( mod );
}
// Mod_FreeUnused ();
if( host_developer.value <= DEV_NONE )
Con_ClearNotify(); // clear any lines of console text
// done with all resources, issue prespawn command.
// Include server count in case server disconnects and changes level during d/l
MSG_BeginClientCmd( &cls.netchan.message, clc_stringcmd );
MSG_WriteStringf( &cls.netchan.message, "begin %i", spawncount );
cls.signon = SIGNONS;
}
void CL_LegacyUpdateInfo( void )
{
if( !cls.legacymode )
return;
if( cls.state != ca_active )
return;
MSG_BeginClientCmd( &cls.netchan.message, clc_legacy_userinfo );
MSG_WriteString( &cls.netchan.message, cls.userinfo );
}
qboolean CL_LegacyMode( void )
{
return cls.legacymode;
}