605 lines
13 KiB
C
605 lines
13 KiB
C
//=======================================================================
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// Copyright XashXT Group 2007 ©
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// cl_demo.c - demo record & playback
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//=======================================================================
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#include "common.h"
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#include "client.h"
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#include "byteorder.h"
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/*
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====================
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CL_WriteDemoMessage
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Dumps the current net message, prefixed by the length
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====================
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*/
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void CL_WriteDemoMessage( sizebuf_t *msg, int head_size )
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{
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int len, swlen;
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if( !cls.demofile ) return;
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if( cl.refdef.paused || cls.key_dest == key_menu )
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return;
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// the first eight bytes are just packet sequencing stuff
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len = msg->cursize - head_size;
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swlen = LittleLong( len );
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if( !swlen ) return; // ignore null messages
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FS_Write( cls.demofile, &swlen, 4 );
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FS_Write( cls.demofile, msg->data + head_size, len );
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}
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void CL_WriteDemoHeader( const char *name )
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{
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char buf_data[MAX_MSGLEN];
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entity_state_t *state, nullstate;
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movevars_t nullmovevars;
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sizebuf_t buf;
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int i, len;
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MsgDev( D_INFO, "recording to %s.\n", name );
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cls.demofile = FS_Open( name, "wb" );
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if( !cls.demofile )
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{
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MsgDev(D_ERROR, "CL_Record: unable to create %s\n", name );
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return;
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}
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cls.demorecording = true;
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// don't start saving messages until a non-delta compressed message is received
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cls.demowaiting = true;
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// write out messages to hold the startup information
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MSG_Init( &buf, buf_data, sizeof( buf_data ));
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// send the serverdata
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MSG_WriteByte( &buf, svc_serverdata );
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MSG_WriteLong( &buf, PROTOCOL_VERSION );
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MSG_WriteLong( &buf, cl.servercount );
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MSG_WriteByte( &buf, cl.playernum );
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MSG_WriteByte( &buf, clgame.globals->maxClients );
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MSG_WriteWord( &buf, clgame.globals->maxEntities );
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MSG_WriteString( &buf, cl.configstrings[CS_NAME] );
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MSG_WriteString( &buf, clgame.maptitle );
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// configstrings
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for( i = 0; i < MAX_CONFIGSTRINGS; i++ )
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{
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if( cl.configstrings[i][0] )
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{
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MSG_WriteByte( &buf, svc_configstring );
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MSG_WriteShort( &buf, i);
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MSG_WriteString( &buf, cl.configstrings[i] );
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if( buf.cursize > ( buf.maxsize / 2 ))
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{
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// write it out
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len = LittleLong( buf.cursize );
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FS_Write( cls.demofile, &len, 4 );
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FS_Write( cls.demofile, buf.data, buf.cursize );
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buf.cursize = 0;
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}
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}
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}
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// baselines
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Mem_Set( &nullstate, 0, sizeof( nullstate ));
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Mem_Set( &nullmovevars, 0, sizeof( nullmovevars ));
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for( i = 0; i < clgame.globals->maxEntities; i++ )
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{
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state = &clgame.baselines[i];
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if( !state->modelindex && !state->effects )
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continue;
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MSG_WriteByte( &buf, svc_spawnbaseline );
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MSG_WriteDeltaEntity( &nullstate, state, &buf, true, true );
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if( buf.cursize > ( buf.maxsize / 2 ))
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{
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// write it out
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len = LittleLong( buf.cursize );
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FS_Write( cls.demofile, &len, 4 );
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FS_Write( cls.demofile, buf.data, buf.cursize );
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buf.cursize = 0;
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}
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}
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MSG_WriteByte( &buf, svc_stufftext );
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MSG_WriteString( &buf, "precache\n" );
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MSG_WriteByte( &buf, svc_setview );
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MSG_WriteWord( &buf, cl.refdef.viewentity );
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// write all clients userinfo
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for( i = 0; i < clgame.globals->maxClients; i++ )
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{
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player_info_t *pi;
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MSG_WriteByte( &buf, svc_updateuserinfo );
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MSG_WriteByte( &buf, i );
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pi = &cl.players[i];
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if( pi->name[0] )
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{
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MSG_WriteByte( &buf, true );
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MSG_WriteString( &buf, pi->userinfo );
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}
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else MSG_WriteByte( &buf, false );
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}
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MSG_WriteDeltaMovevars( &buf, &nullmovevars, &clgame.movevars );
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// write it to the demo file
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len = LittleLong( buf.cursize );
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FS_Write( cls.demofile, &len, 4 );
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FS_Write( cls.demofile, buf.data, buf.cursize );
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// force client.dll update
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Cmd_ExecuteString( "cmd fullupdate\n" );
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}
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/*
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=================
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CL_DrawDemoRecording
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=================
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*/
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void CL_DrawDemoRecording( void )
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{
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char string[1024];
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fs_offset_t pos;
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if(!(host.developer && cls.demorecording))
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return;
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pos = FS_Tell( cls.demofile );
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com.sprintf( string, "RECORDING %s: %ik", cls.demoname, pos / 1024 );
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SCR_DrawBigStringColor( 320 - com.strlen( string ) * 8, 80, string, g_color_table[7] );
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}
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/*
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=======================================================================
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CLIENT SIDE DEMO PLAYBACK
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=======================================================================
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*/
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/*
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==================
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CL_NextDemo
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Called when a demo or cinematic finishes
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If the "nextdemo" cvar is set, that command will be issued
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==================
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*/
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bool CL_NextDemo( void )
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{
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string str;
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if( cls.demonum == -1 )
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return false; // don't play demos
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S_StopAllSounds();
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if( !cls.demos[cls.demonum][0] || cls.demonum == MAX_DEMOS )
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{
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cls.demonum = 0;
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if( !cls.demos[cls.demonum][0] )
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{
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MsgDev( D_INFO, "no demos listed with startdemos\n" );
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cls.demonum = -1;
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return false;
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}
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}
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com.snprintf( str, MAX_STRING, "playdemo %s\n", cls.demos[cls.demonum] );
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Cbuf_InsertText( str );
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cls.demonum++;
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return true;
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}
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/*
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=================
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CL_DemoCompleted
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=================
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*/
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void CL_DemoCompleted( void )
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{
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CL_StopPlayback();
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if( !CL_NextDemo() && host.developer <= 2 )
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UI_SetActiveMenu( UI_MAINMENU );
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}
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/*
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=================
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CL_ReadDemoMessage
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reads demo data and write it to client
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=================
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*/
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void CL_ReadDemoMessage( void )
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{
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sizebuf_t buf;
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char bufData[MAX_MSGLEN];
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int r;
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if( !cls.demofile )
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{
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CL_DemoCompleted();
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return;
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}
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if( cl.refdef.paused || cls.key_dest == key_menu )
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return;
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// don't need another message yet
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if( cl.time <= cl.frame.servertime )
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return;
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// init the message
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MSG_Init( &buf, bufData, sizeof( bufData ));
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// get the length
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r = FS_Read( cls.demofile, &buf.cursize, 4 );
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if( r != 4 )
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{
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CL_DemoCompleted();
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return;
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}
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buf.cursize = LittleLong( buf.cursize );
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if( buf.cursize == -1 )
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{
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CL_DemoCompleted();
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return;
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}
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if( buf.cursize > buf.maxsize )
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{
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Host_Error( "CL_ReadDemoMessage: demoMsglen > MAX_MSGLEN\n" );
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return;
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}
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r = FS_Read( cls.demofile, buf.data, buf.cursize );
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if( r != buf.cursize )
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{
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MsgDev( D_ERROR, "CL_ReadDemoMessage: demo file was truncated( %d )\n", cls.state );
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CL_DemoCompleted();
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return;
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}
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cls.connect_time = cls.realtime;
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buf.readcount = 0;
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CL_ParseServerMessage( &buf );
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}
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/*
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==============
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CL_StopPlayback
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Called when a demo file runs out, or the user starts a game
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==============
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*/
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void CL_StopPlayback( void )
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{
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if( !cls.demoplayback ) return;
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// release demofile
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FS_Close( cls.demofile );
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cls.demoplayback = false;
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cls.demofile = NULL;
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// let game known about movie state
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cls.state = ca_disconnected;
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cls.demoname[0] = '\0'; // clear demoname too
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if( clgame.hInstance ) clgame.dllFuncs.pfnReset(); // end of demos, stop the client
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}
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void CL_StopRecord( void )
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{
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int len = -1;
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if( !cls.demorecording ) return;
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// finish up
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FS_Write( cls.demofile, &len, 4 );
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FS_Close( cls.demofile );
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cls.demofile = NULL;
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cls.demorecording = false;
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cls.demoname[0] = '\0';
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}
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/*
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==================
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CL_GetComment
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==================
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*/
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bool CL_GetComment( const char *demoname, char *comment )
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{
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file_t *demfile;
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char buf_data[MAX_MSGLEN];
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string maptitle;
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int r, maxClients;
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sizebuf_t buf;
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if( !comment ) return false;
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demfile = FS_Open( demoname, "rb" );
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if( !demfile )
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{
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com.strncpy( comment, "", MAX_STRING );
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return false;
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}
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// write out messages to hold the startup information
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MSG_Init( &buf, buf_data, sizeof( buf_data ));
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// read the first demo packet. extract info from it
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// get the length
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r = FS_Read( demfile, &buf.cursize, 4 );
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if( r != 4 )
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{
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FS_Close( demfile );
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com.strncpy( comment, "<corrupted>", MAX_STRING );
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return false;
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}
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buf.cursize = LittleLong( buf.cursize );
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if( buf.cursize == -1 )
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{
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FS_Close( demfile );
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com.strncpy( comment, "<corrupted>", MAX_STRING );
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return false;
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}
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if( buf.cursize > buf.maxsize )
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{
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FS_Close( demfile );
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com.strncpy( comment, "<not compatible>", MAX_STRING );
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return false;
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}
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r = FS_Read( demfile, buf.data, buf.cursize );
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if( r != buf.cursize )
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{
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FS_Close( demfile );
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com.strncpy( comment, "<truncated file>", MAX_STRING );
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return false;
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}
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MSG_BeginReading( &buf );
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// send the serverdata
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MSG_ReadByte( &buf ); // skip server data
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if( PROTOCOL_VERSION != MSG_ReadLong( &buf ))
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{
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FS_Close( demfile );
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com.strncpy( comment, "<invalid protocol>", MAX_STRING );
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return false;
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}
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MSG_ReadLong( &buf ); // server count
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MSG_ReadByte( &buf );// playernum
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maxClients = MSG_ReadByte( &buf );
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if( MSG_ReadWord( &buf ) > GI->max_edicts )
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{
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FS_Close( demfile );
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com.strncpy( comment, "<too many edicts>", MAX_STRING );
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return false;
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}
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// split comment to sections
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com.strncpy( comment, MSG_ReadString( &buf ), CS_SIZE ); // mapname
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com.strncpy( maptitle, MSG_ReadString( &buf ), MAX_STRING ); // maptitle
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if( !com.strlen( maptitle )) com.strncpy( maptitle, "<no title>", MAX_STRING );
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com.strncpy( comment + CS_SIZE, maptitle, CS_SIZE );
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com.strncpy( comment + CS_SIZE * 2, va( "%i", maxClients ), CS_TIME );
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// all done
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FS_Close( demfile );
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return true;
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}
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/*
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==================
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CL_DemoGetName
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==================
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*/
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void CL_DemoGetName( int lastnum, char *filename )
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{
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int a, b;
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if( !filename ) return;
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if( lastnum < 0 || lastnum > 99 )
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{
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// bound
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com.strcpy( filename, "demo99" );
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return;
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}
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a = lastnum / 10;
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b = lastnum % 10;
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com.sprintf( filename, "demo%i%i", a, b );
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}
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/*
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====================
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CL_Record_f
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record <demoname>
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Begins recording a demo from the current position
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====================
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*/
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void CL_Record_f( void )
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{
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const char *name;
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string demoname, demopath, demoshot;
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int n;
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if( Cmd_Argc() == 1 )
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name = "new";
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else if( Cmd_Argc() == 2 )
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name = Cmd_Argv( 1 );
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else
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{
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Msg( "Usage: record <demoname>\n" );
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return;
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}
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if( cls.demorecording )
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{
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Msg("CL_Record: already recording.\n");
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return;
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}
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if( cls.state != ca_active )
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{
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Msg ("You must be in a level to record.\n");
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return;
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}
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if( !com.stricmp( name, "new" ))
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{
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// scan for a free filename
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for( n = 0; n < 100; n++ )
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{
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CL_DemoGetName( n, demoname );
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if( !FS_FileExists( va( "demos/%s.dem", demoname )))
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break;
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}
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if( n == 100 )
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{
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Msg( "^3ERROR: no free slots for demo recording\n" );
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return;
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}
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}
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else com.strncpy( demoname, name, sizeof( name ));
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// open the demo file
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com.sprintf( demopath, "demos/%s.dem", demoname );
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com.sprintf( demoshot, "demos/%s.%s", demoname, SI->savshot_ext );
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// make sure what old demo is removed
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if( FS_FileExists( demopath )) FS_Delete( demopath );
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if( FS_FileExists( demoshot )) FS_Delete( demoshot );
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// write demoshot for preview
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Cbuf_AddText( va( "demoshot \"%s\"\n", demoname ));
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com.strncpy( cls.demoname, demoname, sizeof( cls.demoname ));
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CL_WriteDemoHeader( demopath );
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}
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/*
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====================
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CL_PlayDemo_f
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playdemo <demoname>
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====================
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*/
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void CL_PlayDemo_f( void )
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{
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string filename;
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if( Cmd_Argc() != 2 )
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{
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Msg( "Usage: playdemo <demoname>\n" );
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return;
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}
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// shutdown any game or cinematic server
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CL_Disconnect();
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Host_ShutdownServer();
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com.snprintf( filename, MAX_STRING, "$demos/%s.dem", Cmd_Argv( 1 ));
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if(!FS_FileExists( filename ))
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{
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MsgDev( D_ERROR, "couldn't open %s\n", filename );
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cls.demonum = -1; // stop demo loop
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return;
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}
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cls.demofile = FS_Open( filename, "rb" );
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com.strncpy( cls.demoname, Cmd_Argv( 1 ), sizeof( cls.demoname ));
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Con_Close();
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UI_SetActiveMenu( UI_CLOSEMENU );
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cls.state = ca_connected;
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cls.demoplayback = true;
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com.strncpy( cls.servername, Cmd_Argv( 1 ), sizeof( cls.servername ));
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// begin a playback demo
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}
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/*
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==================
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CL_StartDemos_f
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==================
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*/
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void CL_StartDemos_f( void )
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{
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int i, c;
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c = Cmd_Argc() - 1;
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if( c > MAX_DEMOS )
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{
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MsgDev( D_WARN, "Host_StartDemos: max %i demos in demoloop\n", MAX_DEMOS );
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c = MAX_DEMOS;
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}
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MsgDev( D_INFO, "%i demo%s in loop\n", c, (c > 1) ? "s" : "" );
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for( i = 1; i < c + 1; i++ )
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com.strncpy( cls.demos[i-1], Cmd_Argv( i ), sizeof( cls.demos[0] ));
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if( !SV_Active() && cls.demonum != -1 && !cls.demoplayback )
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{
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cls.demonum = 0;
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CL_NextDemo ();
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}
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else cls.demonum = -1;
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|
}
|
|
|
|
/*
|
|
==================
|
|
CL_Demos_f
|
|
|
|
Return to looping demos
|
|
==================
|
|
*/
|
|
void CL_Demos_f( void )
|
|
{
|
|
if( cls.demonum == -1 )
|
|
cls.demonum = 1;
|
|
|
|
CL_Disconnect ();
|
|
CL_NextDemo ();
|
|
}
|
|
|
|
|
|
/*
|
|
====================
|
|
CL_Stop_f
|
|
|
|
stop any client activity
|
|
====================
|
|
*/
|
|
void CL_Stop_f( void )
|
|
{
|
|
// stop all
|
|
CL_StopRecord();
|
|
CL_StopPlayback();
|
|
SCR_StopCinematic();
|
|
} |