/* 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 "gl_local.h" #include "cl_tent.h" #include "shake.h" #include "hltv.h" #include "input.h" #define MSG_COUNT 32 // last 32 messages parsed #define MSG_MASK (MSG_COUNT - 1) int CL_UPDATE_BACKUP = SINGLEPLAYER_BACKUP; const char *svc_strings[svc_lastmsg+1] = { "svc_bad", "svc_nop", "svc_disconnect", "svc_event", "svc_changing", "svc_setview", "svc_sound", "svc_time", "svc_print", "svc_stufftext", "svc_setangle", "svc_serverdata", "svc_lightstyle", "svc_updateuserinfo", "svc_deltatable", "svc_clientdata", "svc_resource", "svc_pings", "svc_particle", "svc_restoresound", "svc_spawnstatic", "svc_event_reliable", "svc_spawnbaseline", "svc_temp_entity", "svc_setpause", "svc_signonnum", "svc_centerprint", "svc_unused27", "svc_unused28", "svc_unused29", "svc_intermission", "svc_finale", "svc_cdtrack", "svc_restore", "svc_cutscene", "svc_weaponanim", "svc_bspdecal", "svc_roomtype", "svc_addangle", "svc_usermessage", "svc_packetentities", "svc_deltapacketentities", "svc_choke", "svc_resourcelist", "svc_deltamovevars", "svc_resourcerequest", "svc_customization", "svc_crosshairangle", "svc_soundfade", "svc_filetxferfailed", "svc_hltv", "svc_director", "svc_voiceinit", "svc_voicedata", "svc_unused54", "svc_unused55", "svc_resourcelocation", "svc_querycvarvalue", "svc_querycvarvalue2", }; typedef struct { int command; int starting_offset; int frame_number; } oldcmd_t; typedef struct { oldcmd_t oldcmd[MSG_COUNT]; int currentcmd; qboolean parsing; } msg_debug_t; static msg_debug_t cls_message_debug; static int starting_count; const char *CL_MsgInfo( int cmd ) { static string sz; Q_strcpy( sz, "???" ); if( cmd >= 0 && cmd <= svc_lastmsg ) { // get engine message name Q_strncpy( sz, svc_strings[cmd], sizeof( sz )); } else if( cmd > svc_lastmsg && cmd <= ( svc_lastmsg + MAX_USER_MESSAGES )) { int i; for( i = 0; i < MAX_USER_MESSAGES; i++ ) { if( clgame.msg[i].number == cmd ) { Q_strncpy( sz, clgame.msg[i].name, sizeof( sz )); break; } } } return sz; } /* ===================== CL_Parse_RecordCommand record new message params into debug buffer ===================== */ void CL_Parse_RecordCommand( int cmd, int startoffset ) { int slot; if( cmd == svc_nop ) return; slot = ( cls_message_debug.currentcmd++ & MSG_MASK ); cls_message_debug.oldcmd[slot].command = cmd; cls_message_debug.oldcmd[slot].starting_offset = startoffset; cls_message_debug.oldcmd[slot].frame_number = host.framecount; } /* ===================== CL_WriteErrorMessage write net_message into buffer.dat for debugging ===================== */ void CL_WriteErrorMessage( int current_count, sizebuf_t *msg ) { const char *buffer_file = "buffer.dat"; file_t *fp; fp = FS_Open( buffer_file, "wb", false ); if( !fp ) return; FS_Write( fp, &starting_count, sizeof( int )); FS_Write( fp, ¤t_count, sizeof( int )); FS_Write( fp, MSG_GetData( msg ), MSG_GetMaxBytes( msg )); FS_Close( fp ); Con_Printf( "Wrote erroneous message to %s\n", buffer_file ); } /* ===================== CL_WriteMessageHistory list last 32 messages for debugging net troubleshooting ===================== */ void CL_WriteMessageHistory( void ) { oldcmd_t *old, *failcommand; sizebuf_t *msg = &net_message; int i, thecmd; if( !cls.initialized || cls.state == ca_disconnected ) return; if( !cls_message_debug.parsing ) return; Con_Printf( "Last %i messages parsed.\n", MSG_COUNT ); // finish here thecmd = cls_message_debug.currentcmd - 1; thecmd -= ( MSG_COUNT - 1 ); // back up to here for( i = 0; i < MSG_COUNT - 1; i++ ) { thecmd &= MSG_MASK; old = &cls_message_debug.oldcmd[thecmd]; Con_Printf( "%i %04i %s\n", old->frame_number, old->starting_offset, CL_MsgInfo( old->command )); thecmd++; } failcommand = &cls_message_debug.oldcmd[thecmd]; Con_Printf( "BAD: %3i:%s\n", MSG_GetNumBytesRead( msg ) - 1, CL_MsgInfo( failcommand->command )); if( host_developer.value >= DEV_EXTENDED ) CL_WriteErrorMessage( MSG_GetNumBytesRead( msg ) - 1, msg ); cls_message_debug.parsing = false; } /* =============== CL_UserMsgStub Default stub for missed callbacks =============== */ int CL_UserMsgStub( const char *pszName, int iSize, void *pbuf ) { return 1; } /* ================== CL_ParseViewEntity ================== */ void CL_ParseViewEntity( sizebuf_t *msg ) { cl.viewentity = MSG_ReadWord( msg ); // check entity bounds in case we want // to use this directly in clgame.entities[] array cl.viewentity = bound( 0, cl.viewentity, clgame.maxEntities - 1 ); } /* ================== CL_ParseSoundPacket ================== */ void CL_ParseSoundPacket( sizebuf_t *msg ) { vec3_t pos; int chan, sound; float volume, attn; int flags, pitch, entnum; sound_t handle = 0; flags = MSG_ReadUBitLong( msg, MAX_SND_FLAGS_BITS ); sound = MSG_ReadUBitLong( msg, MAX_SOUND_BITS ); chan = MSG_ReadUBitLong( msg, MAX_SND_CHAN_BITS ); 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_ReadUBitLong( msg, MAX_ENTITY_BITS ); // 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 ); 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 ) { MsgDev( D_WARN, "CL_StartSoundPacket: ignore sound message: too early\n" ); return; // too early } // g-cont. sound and ambient sound have only difference with channel if( chan == CHAN_STATIC ) { S_AmbientSound( pos, entnum, handle, volume, attn, pitch, flags ); } else { S_StartSound( pos, entnum, chan, handle, volume, attn, pitch, flags ); } } /* ================== CL_ParseRestoreSoundPacket ================== */ void CL_ParseRestoreSoundPacket( sizebuf_t *msg ) { vec3_t pos; int chan, sound; float volume, attn; int flags, pitch, entnum; double samplePos, forcedEnd; int wordIndex; sound_t handle = 0; flags = MSG_ReadUBitLong( msg, MAX_SND_FLAGS_BITS ); sound = MSG_ReadUBitLong( msg, MAX_SOUND_BITS ); chan = MSG_ReadUBitLong( msg, MAX_SND_CHAN_BITS ); if( flags & SND_VOLUME ) volume = (float)MSG_ReadByte( msg ) / 255.0f; else volume = VOL_NORM; if( flags & SND_ATTENUATION ) attn = (float)MSG_ReadByte( msg ) / 64.0f; else attn = ATTN_NONE; if( flags & SND_PITCH ) pitch = MSG_ReadByte( msg ); else pitch = PITCH_NORM; // entity reletive entnum = MSG_ReadUBitLong( msg, MAX_ENTITY_BITS ); // positioned in space MSG_ReadVec3Coord( msg, pos ); if( flags & SND_SENTENCE ) { char sentenceName[32]; if( flags & SND_SEQUENCE ) Q_snprintf( sentenceName, sizeof( sentenceName ), "!#%i", sound ); else Q_snprintf( sentenceName, sizeof( sentenceName ), "!%i", sound ); handle = S_RegisterSound( sentenceName ); } else handle = cl.sound_index[sound]; // see precached sound wordIndex = MSG_ReadByte( msg ); // 16 bytes here MSG_ReadBytes( msg, &samplePos, sizeof( samplePos )); MSG_ReadBytes( msg, &forcedEnd, sizeof( forcedEnd )); if( !cl.audio_prepped ) { MsgDev( D_WARN, "CL_RestoreSoundPacket: ignore sound message: too early\n" ); return; // too early } S_RestoreSound( pos, entnum, chan, handle, volume, attn, pitch, flags, samplePos, forcedEnd, wordIndex ); } /* ================== CL_ParseServerTime ================== */ void CL_ParseServerTime( sizebuf_t *msg ) { double dt; cl.mtime[1] = cl.mtime[0]; cl.mtime[0] = MSG_ReadFloat( msg ); if( cl.maxclients == 1 ) cl.time = cl.mtime[0]; dt = cl.time - cl.mtime[0]; if( fabs( dt ) > cl_clockreset->value ) // 0.1 by default { cl.time = cl.mtime[0]; cl.timedelta = 0.0f; } else if( dt != 0.0 ) { cl.timedelta = dt; } if( cl.oldtime > cl.time ) cl.oldtime = cl.time; } /* ================== CL_ParseSignon ================== */ void CL_ParseSignon( sizebuf_t *msg ) { int i = MSG_ReadByte( msg ); if( i <= cls.signon ) { MsgDev( D_ERROR, "received signon %i when at %i\n", i, cls.signon ); CL_Disconnect(); return; } cls.signon = i; CL_SignonReply(); } /* ================== CL_ParseMovevars ================== */ void CL_ParseMovevars( sizebuf_t *msg ) { Delta_InitClient (); // finalize client delta's MSG_ReadDeltaMovevars( msg, &clgame.oldmovevars, &clgame.movevars ); // water alpha is not allowed if( !FBitSet( world.flags, FWORLD_WATERALPHA )) clgame.movevars.wateralpha = 1.0f; // update sky if changed if( Q_strcmp( clgame.oldmovevars.skyName, clgame.movevars.skyName ) && cl.video_prepped ) R_SetupSky( clgame.movevars.skyName ); memcpy( &clgame.oldmovevars, &clgame.movevars, sizeof( movevars_t )); clgame.entities->curstate.scale = clgame.movevars.waveHeight; // keep features an actual! clgame.oldmovevars.features = clgame.movevars.features = host.features; } /* ================== CL_ParseParticles ================== */ void CL_ParseParticles( sizebuf_t *msg ) { vec3_t org, dir; int i, count, color; float life; MSG_ReadVec3Coord( msg, org ); for( i = 0; i < 3; i++ ) dir[i] = MSG_ReadChar( msg ) * 0.0625f; count = MSG_ReadByte( msg ); color = MSG_ReadByte( msg ); if( count == 255 ) count = 1024; life = MSG_ReadByte( msg ) * 0.125f; if( life != 0.0f && count == 1 ) { particle_t *p; p = R_AllocParticle( NULL ); if( !p ) return; p->die += life; p->color = color; p->type = pt_static; VectorCopy( org, p->org ); VectorCopy( dir, p->vel ); } else R_RunParticleEffect( org, dir, color, count ); } /* ================== CL_ParseStaticEntity static client entity ================== */ void CL_ParseStaticEntity( sizebuf_t *msg ) { entity_state_t state; cl_entity_t *ent; int i; memset( &state, 0, sizeof( state )); state.modelindex = MSG_ReadShort( msg ); state.sequence = MSG_ReadWord( msg ); state.frame = MSG_ReadWord( msg ) * (1.0f / 128.0f); state.colormap = MSG_ReadWord( msg ); state.skin = MSG_ReadByte( msg ); state.body = MSG_ReadByte( msg ); state.scale = MSG_ReadCoord( msg ); MSG_ReadVec3Coord( msg, state.origin ); MSG_ReadVec3Angles( msg, state.angles ); 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 ) { MsgDev( D_ERROR, "CL_ParseStaticEntity: static entities limit exceeded!\n" ); return; } ent = &clgame.static_entities[i]; clgame.numStatics++; ent->index = 0; // ??? ent->baseline = state; ent->curstate = state; ent->prevstate = state; // 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 ) && FBitSet( host.features, ENGINE_QUAKE_COMPATIBLE )) { ent->curstate.rendermode = kRenderTransAlpha; ent->curstate.renderamt = 255; } } R_AddEfrags( ent ); // add link } /* ================== CL_WeaponAnim Set new weapon animation ================== */ void CL_WeaponAnim( int iAnim, int body ) { cl_entity_t *view = &clgame.viewent; cl.local.weaponstarttime = 0.0f; cl.local.weaponsequence = iAnim; view->curstate.framerate = 1.0f; view->curstate.body = body; #if 0 // g-cont. for GlowShell testing view->curstate.renderfx = kRenderFxGlowShell; view->curstate.rendercolor.r = 255; view->curstate.rendercolor.g = 128; view->curstate.rendercolor.b = 0; view->curstate.renderamt = 150; #endif } /* ================== CL_ParseStaticDecal ================== */ void CL_ParseStaticDecal( sizebuf_t *msg ) { vec3_t origin; int decalIndex, entityIndex, modelIndex; cl_entity_t *ent = NULL; float scale; int flags; MSG_ReadVec3Coord( msg, origin ); decalIndex = MSG_ReadWord( msg ); entityIndex = MSG_ReadShort( msg ); if( entityIndex > 0 ) modelIndex = MSG_ReadWord( msg ); else modelIndex = 0; flags = MSG_ReadByte( msg ); scale = (float)MSG_ReadWord( msg ) / 4096.0f; CL_FireCustomDecal( CL_DecalIndex( decalIndex ), entityIndex, modelIndex, origin, flags, scale ); } /* ================== CL_ParseSoundFade ================== */ void CL_ParseSoundFade( sizebuf_t *msg ) { float fadePercent, fadeOutSeconds; float holdTime, fadeInSeconds; fadePercent = (float)MSG_ReadByte( msg ); holdTime = (float)MSG_ReadByte( msg ); fadeOutSeconds = (float)MSG_ReadByte( msg ); fadeInSeconds = (float)MSG_ReadByte( msg ); S_FadeClientVolume( fadePercent, fadeOutSeconds, holdTime, fadeInSeconds ); } /* ================== CL_RequestMissingResources ================== */ qboolean CL_RequestMissingResources( void ) { resource_t *p; if( !cls.dl.doneregistering && ( cls.dl.custom || cls.state == ca_validate )) { p = cl.resourcesneeded.pNext; if( p == &cl.resourcesneeded ) { cls.dl.doneregistering = true; host.downloadcount = 0; cls.dl.custom = false; } else if( !FBitSet( p->ucFlags, RES_WASMISSING )) { CL_MoveToOnHandList( cl.resourcesneeded.pNext ); return true; } } return false; } void CL_BatchResourceRequest( qboolean initialize ) { byte data[MAX_INIT_MSG]; resource_t *p, *n; sizebuf_t msg; MSG_Init( &msg, "Resource Batch", data, sizeof( data )); // client resources is not precached by server if( initialize ) CL_AddClientResources(); for( p = cl.resourcesneeded.pNext; p && p != &cl.resourcesneeded; p = n ) { n = p->pNext; if( !FBitSet( p->ucFlags, RES_WASMISSING )) { CL_MoveToOnHandList( p ); continue; } if( cls.state == ca_active && !cl_download_ingame.value ) { Con_Printf( "skipping in game download of %s\n", p->szFileName ); CL_MoveToOnHandList( p ); continue; } switch( p->type ) { case t_sound: if( !CL_CheckFile( &msg, p )) break; CL_MoveToOnHandList( p ); break; case t_skin: CL_MoveToOnHandList( p ); break; case t_model: if( !CL_CheckFile( &msg, p )) break; CL_MoveToOnHandList( p ); break; case t_decal: if( !HPAK_GetDataPointer( CUSTOM_RES_PATH, p, NULL, NULL )) { if( !FBitSet( p->ucFlags, RES_REQUESTED )) { string filename; Q_snprintf( filename, sizeof( filename ), "!MD5%s", MD5_Print( p->rgucMD5_hash )); MSG_BeginClientCmd( &msg, clc_stringcmd ); MSG_WriteString( &msg, va( "dlfile %s", filename )); SetBits( p->ucFlags, RES_REQUESTED ); } break; } CL_MoveToOnHandList( p ); break; case t_generic: if( !COM_IsSafeFileToDownload( p->szFileName )) { CL_RemoveFromResourceList( p ); MsgDev( D_WARN, "Invalid file type...skipping download of %s\n", p->szFileName ); Mem_Free( p ); break; } if( !CL_CheckFile( &msg, p )) break; CL_MoveToOnHandList( p ); break; case t_eventscript: if( !CL_CheckFile( &msg, p )) break; CL_MoveToOnHandList( p ); break; } } if( cls.state != ca_disconnected ) { if( !MSG_GetNumBytesWritten( &msg ) && CL_PrecacheResources( )) { CL_RegisterResources( &msg ); } Netchan_CreateFragments( &cls.netchan, &msg ); Netchan_FragSend( &cls.netchan ); } } int CL_EstimateNeededResources( void ) { resource_t *p; int nTotalSize = 0; int nSize; for( p = cl.resourcesneeded.pNext; p != &cl.resourcesneeded; p = p->pNext ) { switch( p->type ) { case t_sound: nSize = FS_FileSize( va( "%s%s", DEFAULT_SOUNDPATH, p->szFileName ), false ); if( p->szFileName[0] != '*' && nSize == -1 ) { SetBits( p->ucFlags, RES_WASMISSING ); nTotalSize += p->nDownloadSize; } break; case t_model: nSize = FS_FileSize( p->szFileName, false ); if( p->szFileName[0] != '*' && p->ucFlags && nSize == -1 ) { SetBits( p->ucFlags, RES_WASMISSING ); nTotalSize += p->nDownloadSize; } break; case t_skin: case t_generic: case t_eventscript: nSize = FS_FileSize( p->szFileName, false ); if( nSize == -1 ) { SetBits( p->ucFlags, RES_WASMISSING ); nTotalSize += p->nDownloadSize; } break; case t_decal: if( FBitSet( p->ucFlags, RES_CUSTOM )) { SetBits( p->ucFlags, RES_WASMISSING ); nTotalSize += p->nDownloadSize; } break; } } return nTotalSize; } void CL_StartResourceDownloading( const char *pszMessage, qboolean bCustom ) { resourceinfo_t ri; if( COM_CheckString( pszMessage )) Con_DPrintf( "%s", pszMessage ); cls.dl.nTotalSize = COM_SizeofResourceList( &cl.resourcesneeded, &ri ); cls.dl.nTotalToTransfer = CL_EstimateNeededResources(); if( bCustom ) { cls.dl.custom = true; } else { cls.state = ca_validate; cls.dl.custom = false; } cls.dl.doneregistering = false; cls.dl.fLastStatusUpdate = host.realtime; cls.dl.nRemainingToTransfer = cls.dl.nTotalToTransfer; memset( cls.dl.rgStats, 0, sizeof( cls.dl.rgStats )); cls.dl.nCurStat = 0; CL_BatchResourceRequest( !bCustom ); } customization_t *CL_PlayerHasCustomization( int nPlayerNum, resourcetype_t type ) { customization_t *pList; for( pList = cl.players[nPlayerNum].customdata.pNext; pList; pList = pList->pNext ) { if( pList->resource.type == type ) return pList; } return NULL; } void CL_RemoveCustomization( int nPlayerNum, customization_t *pRemove ) { customization_t *pList; customization_t *pNext; for( pList = cl.players[nPlayerNum].customdata.pNext; pList; pList = pNext ) { pNext = pList->pNext; if( pRemove != pList ) continue; if( pList->bInUse && pList->pBuffer ) Mem_Free( pList->pBuffer ); if( pList->bInUse && pList->pInfo ) { if( pList->resource.type == t_decal ) { if( cls.state == ca_active ) R_DecalRemoveAll( pList->nUserData1 ); FS_FreeImage( pList->pInfo ); } } cl.players[nPlayerNum].customdata.pNext = pNext; Mem_Free( pList ); break; } } /* ================== CL_ParseCustomization ================== */ void CL_ParseCustomization( sizebuf_t *msg ) { customization_t *pExistingCustomization; customization_t *pList; qboolean bFound; resource_t *pRes; int i; i = MSG_ReadByte( msg ); if( i >= MAX_CLIENTS ) Host_Error( "Bogus player index during customization parsing.\n" ); pRes = Mem_Alloc( cls.mempool, sizeof( resource_t )); pRes->type = MSG_ReadByte( msg ); Q_strncpy( pRes->szFileName, MSG_ReadString( msg ), sizeof( pRes->szFileName )); pRes->nIndex = MSG_ReadShort( msg ); pRes->nDownloadSize = MSG_ReadLong( msg ); pRes->ucFlags = MSG_ReadByte( msg ) & ~RES_WASMISSING; pRes->pNext = pRes->pPrev = NULL; if( FBitSet( pRes->ucFlags, RES_CUSTOM )) MSG_ReadBytes( msg, pRes->rgucMD5_hash, 16 ); pRes->playernum = i; if( !cl_allow_download.value ) { Con_DPrintf( "Refusing new resource, cl_allow_download set to 0\n" ); Mem_Free( pRes ); return; } if( cls.state == ca_active && !cl_download_ingame.value ) { Con_DPrintf( "Refusing new resource, cl_download_ingame set to 0\n" ); Mem_Free( pRes ); return; } pExistingCustomization = CL_PlayerHasCustomization( i, pRes->type ); if( pExistingCustomization ) CL_RemoveCustomization( i, pExistingCustomization ); bFound = false; for( pList = cl.players[pRes->playernum].customdata.pNext; pList; pList = pList->pNext ) { if( !memcmp( pList->resource.rgucMD5_hash, pRes->rgucMD5_hash, 16 )) { bFound = true; break; } } if( HPAK_GetDataPointer( CUSTOM_RES_PATH, pRes, NULL, NULL )) { qboolean bError = false; if( !bFound ) { pList = &cl.players[pRes->playernum].customdata; if( !COM_CreateCustomization( pList, pRes, pRes->playernum, FCUST_FROMHPAK, NULL, NULL )) bError = true; } else { Con_DPrintf( "Duplicate resource ignored for local client\n" ); } if( bError ) Con_DPrintf( "Error loading customization\n" ); Mem_Free( pRes ); } else { SetBits( pRes->ucFlags, RES_WASMISSING ); CL_AddToResourceList( pRes, &cl.resourcesneeded ); Con_Printf( "Requesting %s from server\n", pRes->szFileName ); CL_StartResourceDownloading( "Custom resource propagation...\n", true ); } } /* ================== CL_ParseResourceRequest ================== */ void CL_ParseResourceRequest( sizebuf_t *msg ) { byte buffer[MAX_INIT_MSG]; int i, arg, nStartIndex; sizebuf_t sbuf; MSG_Init( &sbuf, "ResourceBlock", buffer, sizeof( buffer )); arg = MSG_ReadLong( msg ); nStartIndex = MSG_ReadLong( msg ); if( cl.servercount != arg ) { MsgDev( D_ERROR, "request resources from different level\n" ); return; } if( nStartIndex < 0 && nStartIndex > cl.num_resources ) { MsgDev( D_ERROR, "custom resource list request out of range\n" ); return; } MSG_BeginClientCmd( &sbuf, clc_resourcelist ); MSG_WriteShort( &sbuf, cl.num_resources ); for( i = nStartIndex; i < cl.num_resources; i++ ) { MSG_WriteString( &sbuf, cl.resourcelist[i].szFileName ); MSG_WriteByte( &sbuf, cl.resourcelist[i].type ); MSG_WriteShort( &sbuf, cl.resourcelist[i].nIndex ); MSG_WriteLong( &sbuf, cl.resourcelist[i].nDownloadSize ); MSG_WriteByte( &sbuf, cl.resourcelist[i].ucFlags ); if( FBitSet( cl.resourcelist[i].ucFlags, RES_CUSTOM )) MSG_WriteBytes( &sbuf, cl.resourcelist[i].rgucMD5_hash, 16 ); } if( MSG_GetNumBytesWritten( &sbuf ) > 0 ) { Netchan_CreateFragments( &cls.netchan, &sbuf ); Netchan_FragSend( &cls.netchan ); } } /* ================== CL_CreateCustomizationList loading custom decal for self ================== */ void CL_CreateCustomizationList( void ) { resource_t *pResource; player_info_t *pPlayer; int i; pPlayer = &cl.players[cl.playernum]; pPlayer->customdata.pNext = NULL; for( i = 0; i < cl.num_resources; i++ ) { pResource = &cl.resourcelist[i]; if( !COM_CreateCustomization( &pPlayer->customdata, pResource, cl.playernum, 0, NULL, NULL )) Con_Printf( "problem with client customization %i, ignoring...", pResource ); } } /* ================== CL_ParseFileTransferFailed ================== */ void CL_ParseFileTransferFailed( sizebuf_t *msg ) { const char *name = MSG_ReadString( msg ); if( !cls.demoplayback ) CL_ProcessFile( false, name ); } /* ===================================================================== SERVER CONNECTING MESSAGES ===================================================================== */ /* ================== CL_ParseServerData ================== */ void CL_ParseServerData( sizebuf_t *msg ) { char gamefolder[MAX_QPATH]; qboolean background; int i; MsgDev( D_NOTE, "Serverdata packet received.\n" ); cls.timestart = Sys_DoubleTime(); cls.demowaiting = false; // server is changed // wipe the client_t struct if( !cls.changelevel && !cls.changedemo ) CL_ClearState (); cls.state = ca_connected; // parse protocol version number i = MSG_ReadLong( msg ); if( i != PROTOCOL_VERSION ) Host_Error( "Server use invalid protocol (%i should be %i)\n", i, PROTOCOL_VERSION ); cl.servercount = MSG_ReadLong( msg ); cl.checksum = MSG_ReadLong( msg ); cl.playernum = MSG_ReadByte( msg ); cl.maxclients = MSG_ReadByte( msg ); clgame.maxEntities = MSG_ReadWord( msg ); clgame.maxEntities = bound( 600, clgame.maxEntities, MAX_EDICTS ); clgame.maxModels = MSG_ReadWord( msg ); Q_strncpy( clgame.mapname, MSG_ReadString( msg ), MAX_STRING ); Q_strncpy( clgame.maptitle, MSG_ReadString( msg ), MAX_STRING ); background = MSG_ReadOneBit( msg ); Q_strncpy( gamefolder, MSG_ReadString( msg ), MAX_QPATH ); host.features = (uint)MSG_ReadLong( msg ); // receive the player hulls for( i = 0; i < MAX_MAP_HULLS * 3; i++ ) { host.player_mins[i/3][i%3] = MSG_ReadChar( msg ); host.player_maxs[i/3][i%3] = MSG_ReadChar( msg ); } if( clgame.maxModels > MAX_MODELS ) Con_Printf( S_WARN "server model limit is above client model limit %i > %i\n", clgame.maxModels, MAX_MODELS ); // Re-init hud video, especially if we changed game directories clgame.dllFuncs.pfnVidInit(); if( Con_FixedFont( )) { // seperate the printfs so the server message can have a color Con_Print( "\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" ); Con_Print( va( "%c%s\n\n", 2, clgame.maptitle )); } // multiplayer game? if( cl.maxclients > 1 ) { // allow console in multiplayer games host.allow_console = true; // loading user settings CSCR_LoadDefaultCVars( "user.scr" ); if( r_decals->value > mp_decals.value ) Cvar_SetValue( "r_decals", mp_decals.value ); } else Cvar_Reset( "r_decals" ); // set the background state if( cls.demoplayback && ( cls.demonum != -1 )) { // re-init mouse host.mouse_visible = false; cl.background = true; } else cl.background = background; if( cl.background ) // tell the game parts about background state Cvar_FullSet( "cl_background", "1", FCVAR_READ_ONLY ); else Cvar_FullSet( "cl_background", "0", FCVAR_READ_ONLY ); if( !cls.changelevel ) { // continue playing if we are changing level S_StopBackgroundTrack (); } if( !cls.changedemo ) UI_SetActiveMenu( cl.background ); else if( !cls.demoplayback ) Key_SetKeyDest( key_menu ); // don't reset cursor in background mode if( cl.background ) IN_MouseRestorePos(); // will be changed later cl.viewentity = cl.playernum + 1; gameui.globals->maxClients = cl.maxclients; Q_strncpy( gameui.globals->maptitle, clgame.maptitle, sizeof( gameui.globals->maptitle )); if( !cls.changelevel && !cls.changedemo ) CL_InitEdicts (); // re-arrange edicts // get splash name if( cls.demoplayback && ( cls.demonum != -1 )) Cvar_Set( "cl_levelshot_name", va( "levelshots/%s_%s", cls.demoname, glState.wideScreen ? "16x9" : "4x3" )); else Cvar_Set( "cl_levelshot_name", va( "levelshots/%s_%s", clgame.mapname, glState.wideScreen ? "16x9" : "4x3" )); Cvar_SetValue( "scr_loading", 0.0f ); // reset progress bar if(( cl_allow_levelshots->value && !cls.changelevel ) || cl.background ) { if( !FS_FileExists( va( "%s.bmp", cl_levelshot_name->string ), true )) Cvar_Set( "cl_levelshot_name", "*black" ); // render a black screen cls.scrshot_request = scrshot_plaque; // request levelshot even if exist (check filetime) } for( i = 0; i < MAX_CLIENTS; i++ ) COM_ClearCustomizationList( &cl.players[i].customdata, true ); CL_CreateCustomizationList(); // request resources from server CL_ServerCommand( true, "sendres %i\n", cl.servercount ); memset( &clgame.movevars, 0, sizeof( clgame.movevars )); memset( &clgame.oldmovevars, 0, sizeof( clgame.oldmovevars )); memset( &clgame.centerPrint, 0, sizeof( clgame.centerPrint )); cl.video_prepped = false; cl.audio_prepped = false; } /* =================== CL_ParseClientData =================== */ void CL_ParseClientData( sizebuf_t *msg ) { float parsecounttime; int i, j, command_ack; clientdata_t *from_cd, *to_cd; weapon_data_t *from_wd, *to_wd; weapon_data_t nullwd[64]; clientdata_t nullcd; frame_t *frame; int idx; // This is the last movement that the server ack'd command_ack = cls.netchan.incoming_acknowledged; // this is the frame update that this message corresponds to i = cls.netchan.incoming_sequence; // did we drop some frames? if( i > cl.last_incoming_sequence + 1 ) { // mark as dropped for( j = cl.last_incoming_sequence + 1; j < i; j++ ) { if( cl.frames[j & CL_UPDATE_MASK].receivedtime >= 0.0 ) { cl.frames[j & CL_UPDATE_MASK].receivedtime = -1.0f; cl.frames[j & CL_UPDATE_MASK].latency = 0; } } } cl.parsecount = i; // ack'd incoming messages. cl.parsecountmod = cl.parsecount & CL_UPDATE_MASK; // index into window. frame = &cl.frames[cl.parsecountmod]; // frame at index. frame->time = cl.mtime[0]; // mark network received time frame->receivedtime = host.realtime; // time now that we are parsing. memset( &frame->graphdata, 0, sizeof( netbandwidthgraph_t )); // send time for that frame. parsecounttime = cl.commands[command_ack & CL_UPDATE_MASK].senttime; // current time that we got a response to the command packet. cl.commands[command_ack & CL_UPDATE_MASK].receivedtime = host.realtime; if( cl.last_command_ack != -1 ) { int last_predicted; clientdata_t *pcd, *ppcd; entity_state_t *ps, *pps; weapon_data_t *wd, *pwd; if( !cls.spectator ) { last_predicted = ( cl.last_incoming_sequence + ( command_ack - cl.last_command_ack )) & CL_UPDATE_MASK; pps = &cl.predicted_frames[last_predicted].playerstate; pwd = cl.predicted_frames[last_predicted].weapondata; ppcd = &cl.predicted_frames[last_predicted].client; ps = &frame->playerstate[cl.playernum]; wd = frame->weapondata; pcd = &frame->clientdata; } else { ps = &cls.spectator_state.playerstate; pps = &cls.spectator_state.playerstate; pcd = &cls.spectator_state.client; ppcd = &cls.spectator_state.client; wd = cls.spectator_state.weapondata; pwd = cls.spectator_state.weapondata; } clgame.dllFuncs.pfnTxferPredictionData( ps, pps, pcd, ppcd, wd, pwd ); } // do this after all packets read for this frame? cl.last_command_ack = cls.netchan.incoming_acknowledged; cl.last_incoming_sequence = cls.netchan.incoming_sequence; if( !cls.demoplayback ) { // calculate latency of this frame. // sent time is set when usercmd is sent to server in CL_Move // this is the # of seconds the round trip took. float latency = host.realtime - parsecounttime; // fill into frame latency frame->latency = latency; // negative latency makes no sense. Huge latency is a problem. if( latency >= 0.0f && latency <= 2.0f ) { // drift the average latency towards the observed latency // if round trip was fastest so far, just use that for latency value // otherwise, move in 1 ms steps toward observed channel latency. if( latency < cls.latency ) cls.latency = latency; else cls.latency += 0.001f; // drift up, so corrections are needed } } else { frame->latency = 0.0f; } // clientdata for spectators ends here if( cls.spectator ) { cl.local.health = 1; return; } to_cd = &frame->clientdata; to_wd = frame->weapondata; // clear to old value before delta parsing if( MSG_ReadOneBit( msg )) { int delta_sequence = MSG_ReadByte( msg ); from_cd = &cl.frames[delta_sequence & CL_UPDATE_MASK].clientdata; from_wd = cl.frames[delta_sequence & CL_UPDATE_MASK].weapondata; } else { memset( &nullcd, 0, sizeof( nullcd )); memset( nullwd, 0, sizeof( nullwd )); from_cd = &nullcd; from_wd = nullwd; } MSG_ReadClientData( msg, from_cd, to_cd, cl.mtime[0] ); for( i = 0; i < 64; i++ ) { // check for end of weapondata (and clientdata_t message) if( !MSG_ReadOneBit( msg )) break; // read the weapon idx idx = MSG_ReadUBitLong( msg, MAX_WEAPON_BITS ); MSG_ReadWeaponData( msg, &from_wd[idx], &to_wd[idx], cl.mtime[0] ); } // make a local copy of physinfo Q_strncpy( cls.physinfo, frame->clientdata.physinfo, sizeof( cls.physinfo )); cl.local.maxspeed = frame->clientdata.maxspeed; cl.local.pushmsec = frame->clientdata.pushmsec; cl.local.weapons = frame->clientdata.weapons; cl.local.health = frame->clientdata.health; } /* ================== CL_ParseBaseline ================== */ void CL_ParseBaseline( sizebuf_t *msg ) { int i, newnum; entity_state_t nullstate; qboolean player; cl_entity_t *ent; Delta_InitClient (); // finalize client delta's memset( &nullstate, 0, sizeof( nullstate )); while( 1 ) { newnum = MSG_ReadUBitLong( msg, MAX_ENTITY_BITS ); if( newnum == LAST_EDICT ) break; // end of baselines player = CL_IsPlayerIndex( newnum ); if( newnum >= clgame.maxEntities ) Host_Error( "CL_AllocEdict: no free edicts\n" ); ent = CL_EDICT_NUM( newnum ); memset( &ent->prevstate, 0, sizeof( ent->prevstate )); ent->index = newnum; MSG_ReadDeltaEntity( msg, &ent->prevstate, &ent->baseline, newnum, player, 1.0f ); } cl.instanced_baseline_count = MSG_ReadUBitLong( msg, 6 ); for( i = 0; i < cl.instanced_baseline_count; i++ ) { newnum = MSG_ReadUBitLong( msg, MAX_ENTITY_BITS ); MSG_ReadDeltaEntity( msg, &nullstate, &cl.instanced_baseline[i], newnum, false, 1.0f ); } } /* ================ CL_ParseLightStyle ================ */ void CL_ParseLightStyle( sizebuf_t *msg ) { int style; const char *s; float f; style = MSG_ReadByte( msg ); s = MSG_ReadString( msg ); f = MSG_ReadFloat( msg ); CL_SetLightstyle( style, s, f ); } /* ================ CL_ParseSetAngle set the view angle to this absolute value ================ */ void CL_ParseSetAngle( sizebuf_t *msg ) { cl.viewangles[0] = MSG_ReadBitAngle( msg, 16 ); cl.viewangles[1] = MSG_ReadBitAngle( msg, 16 ); cl.viewangles[2] = MSG_ReadBitAngle( msg, 16 ); } /* ================ CL_ParseAddAngle add the view angle yaw ================ */ void CL_ParseAddAngle( sizebuf_t *msg ) { pred_viewangle_t *a; float delta_yaw; delta_yaw = MSG_ReadBitAngle( msg, 16 ); #if 0 cl.viewangles[YAW] += delta_yaw; return; #endif // update running counter cl.addangletotal += delta_yaw; // select entry into circular buffer cl.angle_position = (cl.angle_position + 1) & ANGLE_MASK; a = &cl.predicted_angle[cl.angle_position]; // record update a->starttime = cl.mtime[0]; a->total = cl.addangletotal; } /* ================ CL_ParseCrosshairAngle offset crosshair angles ================ */ void CL_ParseCrosshairAngle( sizebuf_t *msg ) { cl.crosshairangle[0] = MSG_ReadChar( msg ) * 0.2f; cl.crosshairangle[1] = MSG_ReadChar( msg ) * 0.2f; cl.crosshairangle[2] = 0.0f; // not used for screen space } /* ================ CL_ParseRestore reading decals, etc. ================ */ void CL_ParseRestore( sizebuf_t *msg ) { string filename; int i, mapCount; char *pMapName; // mapname.HL2 Q_strncpy( filename, MSG_ReadString( msg ), sizeof( filename )); mapCount = MSG_ReadByte( msg ); // g-cont. acutally in Xash3D this does nothing. // decals already restored on a server, and correctly transferred through levels // but i'm leave this message for backward compatibility for( i = 0; i < mapCount; i++ ) { pMapName = MSG_ReadString( msg ); Con_Printf( "Loading decals from %s\n", pMapName ); } } /* ================ CL_RegisterUserMessage register new user message or update existing ================ */ void CL_RegisterUserMessage( sizebuf_t *msg ) { char *pszName; int svc_num, size; svc_num = MSG_ReadByte( msg ); size = MSG_ReadWord( msg ); pszName = MSG_ReadString( msg ); // important stuff if( size == 0xFFFF ) size = -1; svc_num = bound( 0, svc_num, 255 ); CL_LinkUserMessage( pszName, svc_num, size ); } /* ================ CL_UpdateUserinfo collect userinfo from all players ================ */ void CL_UpdateUserinfo( sizebuf_t *msg ) { int slot, id; qboolean active; player_info_t *player; slot = MSG_ReadUBitLong( msg, MAX_CLIENT_BITS ); if( slot >= MAX_CLIENTS ) Host_Error( "CL_ParseServerMessage: svc_updateuserinfo >= MAX_CLIENTS\n" ); id = MSG_ReadLong( msg ); // unique user ID player = &cl.players[slot]; active = MSG_ReadOneBit( msg ) ? true : false; if( active ) { Q_strncpy( player->userinfo, MSG_ReadString( msg ), sizeof( player->userinfo )); Q_strncpy( player->name, Info_ValueForKey( player->userinfo, "name" ), sizeof( player->name )); Q_strncpy( player->model, Info_ValueForKey( player->userinfo, "model" ), sizeof( player->model )); player->topcolor = Q_atoi( Info_ValueForKey( player->userinfo, "topcolor" )); player->bottomcolor = Q_atoi( Info_ValueForKey( player->userinfo, "bottomcolor" )); player->spectator = Q_atoi( Info_ValueForKey( player->userinfo, "*hltv" )); MSG_ReadBytes( msg, player->hashedcdkey, sizeof( player->hashedcdkey )); if( slot == cl.playernum ) memcpy( &gameui.playerinfo, player, sizeof( player_info_t )); } else memset( player, 0, sizeof( *player )); } /* ============== CL_ParseResource downloading and precache resource in-game ============== */ void CL_ParseResource( sizebuf_t *msg ) { resource_t *pResource; pResource = Mem_Alloc( cls.mempool, sizeof( resource_t )); pResource->type = MSG_ReadUBitLong( msg, 4 ); Q_strncpy( pResource->szFileName, MSG_ReadString( msg ), sizeof( pResource->szFileName )); pResource->nIndex = MSG_ReadUBitLong( msg, MAX_MODEL_BITS ); pResource->nDownloadSize = MSG_ReadSBitLong( msg, 24 ); pResource->ucFlags = MSG_ReadUBitLong( msg, 3 ) & ~RES_WASMISSING; if( FBitSet( pResource->ucFlags, RES_CUSTOM )) MSG_ReadBytes( msg, pResource->rgucMD5_hash, sizeof( pResource->rgucMD5_hash )); if( MSG_ReadOneBit( msg )) MSG_ReadBytes( msg, pResource->rguc_reserved, sizeof( pResource->rguc_reserved )); CL_AddToResourceList( pResource, &cl.resourcesneeded ); } /* ================ CL_UpdateUserPings collect pings and packet lossage from clients ================ */ void CL_UpdateUserPings( sizebuf_t *msg ) { int i, slot; player_info_t *player; for( i = 0; i < MAX_CLIENTS; i++ ) { if( !MSG_ReadOneBit( msg )) break; // end of message slot = MSG_ReadUBitLong( msg, MAX_CLIENT_BITS ); if( slot >= MAX_CLIENTS ) Host_Error( "CL_ParseServerMessage: svc_pings > MAX_CLIENTS\n" ); player = &cl.players[slot]; player->ping = MSG_ReadUBitLong( msg, 12 ); player->packet_loss = MSG_ReadUBitLong( msg, 7 ); } } void CL_SendConsistencyInfo( sizebuf_t *msg ) { qboolean user_changed_diskfile; vec3_t mins, maxs; string filename; CRC32_t crcFile; byte md5[16]; consistency_t *pc; int i; if( !cl.need_force_consistency_response ) return; cl.need_force_consistency_response = false; MSG_BeginClientCmd( msg, clc_fileconsistency ); for( i = 0; i < cl.num_consistency; i++ ) { pc = &cl.consistency_list[i]; user_changed_diskfile = false; MSG_WriteOneBit( msg, 1 ); MSG_WriteUBitLong( msg, pc->orig_index, MAX_MODEL_BITS ); if( pc->issound ) Q_snprintf( filename, sizeof( filename ), "%s%s", DEFAULT_SOUNDPATH, pc->filename ); else Q_strncpy( filename, pc->filename, sizeof( filename )); if( Q_strstr( filename, "models/" )) { CRC32_Init( &crcFile ); CRC32_File( &crcFile, filename ); crcFile = CRC32_Final( crcFile ); user_changed_diskfile = !Mod_ValidateCRC( filename, crcFile ); } switch( pc->check_type ) { case force_exactfile: MD5_HashFile( md5, filename, NULL ); pc->value = *(int *)md5; if( user_changed_diskfile ) MSG_WriteUBitLong( msg, 0, 32 ); else MSG_WriteUBitLong( msg, pc->value, 32 ); break; case force_model_samebounds: case force_model_specifybounds: if( !Mod_GetStudioBounds( filename, mins, maxs )) Host_Error( "unable to find %s\n", filename ); if( user_changed_diskfile ) ClearBounds( maxs, mins ); // g-cont. especially swapped MSG_WriteBytes( msg, mins, 12 ); MSG_WriteBytes( msg, maxs, 12 ); break; default: Host_Error( "Unknown consistency type %i\n", pc->check_type ); break; } } MSG_WriteOneBit( msg, 0 ); } /* ================== CL_RegisterResources Clean up and move to next part of sequence. ================== */ void CL_RegisterResources( sizebuf_t *msg ) { model_t *mod; int i; if( cls.dl.custom || cls.signon == SIGNONS && cls.state == ca_active ) { cls.dl.custom = false; return; } if( !cls.demoplayback ) CL_SendConsistencyInfo( msg ); // All done precaching. cl.worldmodel = CL_ModelHandle( 1 ); // get world pointer if( cl.worldmodel && cl.maxclients > 0 ) { ASSERT( clgame.entities != NULL ); clgame.entities->model = cl.worldmodel; if( cls.state != ca_disconnected ) { 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; CL_ClearWorld (); // tell rendering system we have a new set of models. R_NewMap (); CL_SetupOverviewParams(); if( clgame.drawFuncs.R_NewMap != NULL ) clgame.drawFuncs.R_NewMap(); // 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_UnloadSpriteModel( 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( msg, clc_stringcmd ); MSG_WriteString( msg, va( "spawn %i", cl.servercount )); } } else { Con_Printf( S_ERROR "client world model is NULL\n" ); CL_Disconnect(); } } void CL_ParseConsistencyInfo( sizebuf_t *msg ) { int lastcheck; int delta; int i; int isdelta; resource_t *pResource; resource_t *skip_crc_change; int skip; consistency_t *pc; byte nullbuffer[32]; memset( nullbuffer, 0, 32 ); cl.need_force_consistency_response = MSG_ReadOneBit( msg ); pResource = cl.resourcesneeded.pNext; if( !cl.need_force_consistency_response ) return; skip_crc_change = NULL; lastcheck = 0; while( MSG_ReadOneBit( msg )) { isdelta = MSG_ReadOneBit( msg ); if( isdelta ) delta = MSG_ReadUBitLong( msg, 5 ) + lastcheck; else delta = MSG_ReadUBitLong( msg, MAX_MODEL_BITS ); skip = delta - lastcheck; for( i = 0; i < skip; i++ ) { if( pResource != skip_crc_change && Q_strstr( pResource->szFileName, "models/" )) Mod_NeedCRC( pResource->szFileName, false ); pResource = pResource->pNext; } if( cl.num_consistency >= MAX_MODELS ) Host_Error( "CL_CheckConsistency: MAX_MODELS limit exceeded (%d)\n", MAX_MODELS ); pc = &cl.consistency_list[cl.num_consistency]; cl.num_consistency++; memset( pc, 0, sizeof( consistency_t )); pc->filename = pResource->szFileName; pc->issound = (pResource->type == t_sound); pc->orig_index = delta; pc->value = 0; if( pResource->type == t_model && memcmp( nullbuffer, pResource->rguc_reserved, 32 )) pc->check_type = pResource->rguc_reserved[0]; skip_crc_change = pResource; lastcheck = delta; } } /* ============== CL_ParseResourceList ============== */ void CL_ParseResourceList( sizebuf_t *msg ) { resource_t *pResource; int i, total; total = MSG_ReadUBitLong( msg, MAX_RESOURCE_BITS ); for( i = 0; i < total; i++ ) { pResource = Mem_Alloc( cls.mempool, sizeof( resource_t )); pResource->type = MSG_ReadUBitLong( msg, 4 ); Q_strncpy( pResource->szFileName, MSG_ReadString( msg ), sizeof( pResource->szFileName )); pResource->nIndex = MSG_ReadUBitLong( msg, MAX_MODEL_BITS ); pResource->nDownloadSize = MSG_ReadSBitLong( msg, 24 ); pResource->ucFlags = MSG_ReadUBitLong( msg, 3 ) & ~RES_WASMISSING; if( FBitSet( pResource->ucFlags, RES_CUSTOM )) MSG_ReadBytes( msg, pResource->rgucMD5_hash, sizeof( pResource->rgucMD5_hash )); if( MSG_ReadOneBit( msg )) MSG_ReadBytes( msg, pResource->rguc_reserved, sizeof( pResource->rguc_reserved )); CL_AddToResourceList( pResource, &cl.resourcesneeded ); } CL_ParseConsistencyInfo( msg ); CL_StartResourceDownloading( "Verifying and downloading resources...\n", false ); } /* ================== CL_ParseVoiceInit ================== */ void CL_ParseVoiceInit( sizebuf_t *msg ) { // TODO: ??? } /* ================== CL_ParseVoiceData ================== */ void CL_ParseVoiceData( sizebuf_t *msg ) { // TODO: ??? } /* ================== CL_ParseResLocation ================== */ void CL_ParseResLocation( sizebuf_t *msg ) { const char *url = MSG_ReadString( msg ); if( url && ( !Q_strnicmp( "http://", url, 7 ) || !Q_strnicmp( "https://", url, 8 ))) { const char *lastSlash = Q_strrchr( url, '/' ); if( lastSlash && lastSlash[1] == '\0' ) Q_strncpy( cl.downloadUrl, url, sizeof( cl.downloadUrl )); else Q_snprintf( cl.downloadUrl, sizeof( cl.downloadUrl ), "%s/", url ); MsgDev( D_REPORT, "Using %s as primary download location\n", cl.downloadUrl ); } } /* ============== CL_ParseHLTV spectator message (hltv) sended from game.dll ============== */ void CL_ParseHLTV( sizebuf_t *msg ) { switch( MSG_ReadByte( msg )) { case HLTV_ACTIVE: cl.proxy_redirect = true; cls.spectator = true; break; case HLTV_STATUS: MSG_ReadLong( msg ); MSG_ReadShort( msg ); MSG_ReadWord( msg ); MSG_ReadLong( msg ); MSG_ReadLong( msg ); MSG_ReadWord( msg ); break; case HLTV_LISTEN: cls.signon = SIGNONS; NET_StringToAdr( MSG_ReadString( msg ), &cls.hltv_listen_address ); // NET_JoinGroup( cls.netchan.sock, cls.hltv_listen_address ); SCR_EndLoadingPlaque(); break; default: MsgDev( D_ERROR, "CL_ParseHLTV: unknown HLTV command.\n" ); break; } } /* ============== CL_ParseDirector spectator message (director) sended from game.dll ============== */ void CL_ParseDirector( sizebuf_t *msg ) { int iSize = MSG_ReadByte( msg ); byte pbuf[256]; // parse user message into buffer MSG_ReadBytes( msg, pbuf, iSize ); clgame.dllFuncs.pfnDirectorMessage( iSize, pbuf ); } /* ============== CL_ParseScreenShake Set screen shake ============== */ void CL_ParseScreenShake( sizebuf_t *msg ) { clgame.shake.amplitude = (float)(word)MSG_ReadShort( msg ) * (1.0f / (float)(1<<12)); clgame.shake.duration = (float)(word)MSG_ReadShort( msg ) * (1.0f / (float)(1<<12)); clgame.shake.frequency = (float)(word)MSG_ReadShort( msg ) * (1.0f / (float)(1<<8)); clgame.shake.time = cl.time + max( clgame.shake.duration, 0.01f ); clgame.shake.next_shake = 0.0f; // apply immediately } /* ============== CL_ParseScreenFade Set screen fade ============== */ void CL_ParseScreenFade( sizebuf_t *msg ) { float duration, holdTime; screenfade_t *sf = &clgame.fade; float flScale; duration = (float)MSG_ReadShort( msg ); holdTime = (float)MSG_ReadShort( msg ); sf->fadeFlags = MSG_ReadShort( msg ); flScale = ( sf->fadeFlags & FFADE_LONGFADE ) ? (1.0f / 256.0f) : (1.0f / 4096.0f); sf->fader = MSG_ReadByte( msg ); sf->fadeg = MSG_ReadByte( msg ); sf->fadeb = MSG_ReadByte( msg ); sf->fadealpha = MSG_ReadByte( msg ); sf->fadeSpeed = 0.0f; sf->fadeEnd = duration * flScale; sf->fadeReset = holdTime * flScale; // calc fade speed if( duration > 0 ) { if( sf->fadeFlags & FFADE_OUT ) { if( sf->fadeEnd ) { sf->fadeSpeed = -(float)sf->fadealpha / sf->fadeEnd; } sf->fadeEnd += cl.time; sf->fadeReset += sf->fadeEnd; } else { if( sf->fadeEnd ) { sf->fadeSpeed = (float)sf->fadealpha / sf->fadeEnd; } sf->fadeReset += cl.time; sf->fadeEnd += sf->fadeReset; } } } /* ============== CL_ParseCvarValue Find the client cvar value and sent it back to the server ============== */ void CL_ParseCvarValue( sizebuf_t *msg ) { const char *cvarName = MSG_ReadString( msg ); convar_t *cvar = Cvar_FindVar( cvarName ); // build the answer MSG_BeginClientCmd( &cls.netchan.message, clc_requestcvarvalue ); MSG_WriteString( &cls.netchan.message, cvar ? cvar->string : "Not Found" ); } /* ============== CL_ParseCvarValue2 Find the client cvar value and sent it back to the server ============== */ void CL_ParseCvarValue2( sizebuf_t *msg ) { int requestID = MSG_ReadLong( msg ); const char *cvarName = MSG_ReadString( msg ); convar_t *cvar = Cvar_FindVar( cvarName ); // build the answer MSG_BeginClientCmd( &cls.netchan.message, clc_requestcvarvalue2 ); MSG_WriteLong( &cls.netchan.message, requestID ); MSG_WriteString( &cls.netchan.message, cvarName ); if( cvar ) { // cheater can change value ignoring Cvar_Set so we responce incorrect value if( cvar->value != Q_atof( cvar->string )) MSG_WriteString( &cls.netchan.message, va( "%s (%g)", cvar->string, cvar->value )); else MSG_WriteString( &cls.netchan.message, cvar->string ); } else { MSG_WriteString( &cls.netchan.message, "Not Found" ); } } /* ============== CL_DispatchUserMessage Dispatch user message by engine request ============== */ qboolean CL_DispatchUserMessage( const char *pszName, int iSize, void *pbuf ) { int i; if( !COM_CheckString( pszName )) return false; for( i = 0; i < MAX_USER_MESSAGES; i++ ) { // search for user message if( !Q_strcmp( clgame.msg[i].name, pszName )) break; } if( i == MAX_USER_MESSAGES ) { Con_DPrintf( S_ERROR "UserMsg: bad message %s\n", pszName ); return false; } if( clgame.msg[i].func ) { clgame.msg[i].func( pszName, iSize, pbuf ); } else { Con_DPrintf( S_ERROR "UserMsg: No pfn %s %d\n", clgame.msg[i].name, clgame.msg[i].number ); clgame.msg[i].func = CL_UserMsgStub; // throw warning only once } return true; } /* ============== CL_ParseUserMessage handles all user messages ============== */ void CL_ParseUserMessage( sizebuf_t *msg, int svc_num ) { byte pbuf[MAX_USERMSG_LENGTH]; int i, iSize; // NOTE: any user message is really parse at engine, not in client.dll if( svc_num <= svc_lastmsg || svc_num > ( MAX_USER_MESSAGES + svc_lastmsg )) { // out or range Host_Error( "CL_ParseUserMessage: illegible server message %d\n", svc_num ); return; } for( i = 0; i < MAX_USER_MESSAGES; i++ ) { // search for user message if( clgame.msg[i].number == svc_num ) break; } if( i == MAX_USER_MESSAGES ) // probably unregistered Host_Error( "CL_ParseUserMessage: illegible server message %d\n", svc_num ); // NOTE: some user messages handled into engine if( !Q_strcmp( clgame.msg[i].name, "ScreenShake" )) { CL_ParseScreenShake( msg ); return; } else if( !Q_strcmp( clgame.msg[i].name, "ScreenFade" )) { CL_ParseScreenFade( msg ); return; } iSize = clgame.msg[i].size; // message with variable sizes receive an actual size as first byte if( iSize == -1 ) iSize = MSG_ReadWord( msg ); // parse user message into buffer MSG_ReadBytes( msg, pbuf, iSize ); if( clgame.msg[i].func ) { clgame.msg[i].func( clgame.msg[i].name, iSize, pbuf ); #ifdef HACKS_RELATED_HLMODS // run final credits for Half-Life because hl1 doesn't have call END_SECTION if( !Q_stricmp( clgame.msg[i].name, "HudText" ) && !Q_stricmp( GI->gamefolder, "valve" )) { // it's a end, so we should run credits if( !Q_strcmp( (char *)pbuf, "END3" )) Host_Credits(); } #endif } else { Con_DPrintf( S_ERROR "UserMsg: No pfn %s %d\n", clgame.msg[i].name, clgame.msg[i].number ); clgame.msg[i].func = CL_UserMsgStub; // throw warning only once } } /* ===================== CL_ResetFrame ===================== */ void CL_ResetFrame( frame_t *frame ) { memset( &frame->graphdata, 0, sizeof( netbandwidthgraph_t )); frame->receivedtime = host.realtime; frame->valid = true; frame->choked = false; frame->latency = 0.0; frame->time = cl.mtime[0]; } /* ===================================================================== ACTION MESSAGES ===================================================================== */ /* ===================== CL_ParseServerMessage dispatch messages ===================== */ void CL_ParseServerMessage( sizebuf_t *msg, qboolean normal_message ) { size_t bufStart, playerbytes; int cmd, param1, param2; int old_background; cls_message_debug.parsing = true; // begin parsing starting_count = MSG_GetNumBytesRead( msg ); // updates each frame 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_event: CL_ParseEvent( msg ); cl.frames[cl.parsecountmod].graphdata.event += MSG_GetNumBytesRead( msg ) - bufStart; break; case svc_changing: old_background = cl.background; if( MSG_ReadOneBit( msg )) { cls.changelevel = true; S_StopAllSounds( true ); MsgDev( D_INFO, "Server changing, reconnecting\n" ); if( cls.demoplayback ) { SCR_BeginLoadingPlaque( cl.background ); cls.changedemo = true; } CL_ClearState (); CL_InitEdicts (); // re-arrange edicts } else MsgDev( D_INFO, "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; } break; case svc_setview: CL_ParseViewEntity( msg ); break; case svc_sound: CL_ParseSoundPacket( msg ); 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: Cbuf_AddText( MSG_ReadString( msg )); break; case svc_setangle: CL_ParseSetAngle( msg ); break; case svc_serverdata: Cbuf_Execute(); // make sure any stuffed commands are done CL_ParseServerData( msg ); break; case svc_lightstyle: CL_ParseLightStyle( msg ); break; case svc_updateuserinfo: CL_UpdateUserinfo( msg ); 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_ParseStaticEntity( 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 ); 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_finale: CL_ParseFinaleCutscene( msg, 2 ); 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_cutscene: CL_ParseFinaleCutscene( msg, 3 ); 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_choke: 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_ParseResourceList( 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_voiceinit: CL_ParseVoiceInit( msg ); break; case svc_voicedata: CL_ParseVoiceData( msg ); break; case svc_resourcelocation: CL_ParseResLocation( msg ); break; case svc_querycvarvalue: CL_ParseCvarValue( msg ); break; case svc_querycvarvalue2: CL_ParseCvarValue2( msg ); 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 ) - starting_count; cls_message_debug.parsing = 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, starting_count, msg ); } else if( cls.state != ca_active ) { CL_WriteDemoMessage( true, starting_count, msg ); } } }