294 lines
5.7 KiB
C
294 lines
5.7 KiB
C
//=======================================================================
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// Copyright XashXT Group 2009 ©
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// cl_video.c - avi video player
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//=======================================================================
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#include "common.h"
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#include "client.h"
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#include <vfw.h> // video for windows
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/*
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=================================================================
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AVI PLAYING
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=================================================================
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*/
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convar_t *vid_gamma;
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static long xres, yres;
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static float video_duration;
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static float cin_time;
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static int cin_frame;
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static wavdata_t cin_audio;
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static movie_state_t *cin_state;
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void SCR_RebuildGammaTable( void )
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{
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float g;
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int i;
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g = bound( 0.5f, vid_gamma->value, 2.3f );
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// screenshots gamma
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for( i = 0; i < 256; i++ )
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{
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if( g == 1 ) clgame.ds.gammaTable[i] = i;
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else clgame.ds.gammaTable[i] = bound( 0, pow( i * ( 1.0f / 255.0f ), g ) * 255.0f, 255 );
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}
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}
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/*
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==================
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SCR_NextMovie
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Called when a demo or cinematic finishes
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If the "nextmovie" cvar is set, that command will be issued
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==================
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*/
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qboolean SCR_NextMovie( void )
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{
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string str;
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S_StopAllSounds();
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SCR_StopCinematic();
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if( cls.movienum == -1 )
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return false; // don't play movies
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if( !cls.movies[cls.movienum][0] || cls.movienum == MAX_MOVIES )
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{
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cls.movienum = -1;
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return false;
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}
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com.snprintf( str, MAX_STRING, "movie %s full\n", cls.movies[cls.movienum] );
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Cbuf_InsertText( str );
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cls.movienum++;
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return true;
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}
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void SCR_CreateStartupVids( void )
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{
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file_t *f;
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f = FS_Open( "media/StartupVids.txt", "w" );
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if( !f ) return;
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// make standard video playlist: sierra, valve
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FS_Print( f, "media/sierra.avi\n" );
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FS_Print( f, "media/valve.avi\n" );
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FS_Close( f );
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}
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void SCR_CheckStartupVids( void )
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{
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int c = 0;
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script_t *vidlist = NULL;
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string token;
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if( host.developer >= 2 )
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{
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// don't run movies where we in developer-mode
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cls.movienum = -1;
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return;
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}
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if( !FS_FileExists( "media/StartupVids.txt" ))
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{
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SCR_CreateStartupVids();
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}
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vidlist = Com_OpenScript( "media/StartupVids.txt", NULL, 0 );
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if( !vidlist ) return; // something bad happens
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while( Com_ReadString( vidlist, SC_ALLOW_NEWLINES|SC_ALLOW_PATHNAMES2, token ))
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{
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com.strncpy( cls.movies[c], token, sizeof( cls.movies[0] ));
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if( ++c > MAX_MOVIES - 1 )
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{
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MsgDev( D_WARN, "Host_StartMovies: max %i movies in StartupVids\n", MAX_MOVIES );
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break;
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}
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}
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Com_CloseScript( vidlist );
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// run cinematic
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if( !SV_Active() && cls.movienum != -1 && cls.state != ca_cinematic )
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{
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cls.movienum = 0;
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SCR_NextMovie ();
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}
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else cls.movienum = -1;
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}
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/*
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==================
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SCR_RunCinematic
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==================
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*/
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void SCR_RunCinematic( void )
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{
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if( !AVI_IsActive( cin_state ))
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return;
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if( vid_gamma->modified )
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{
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SCR_RebuildGammaTable();
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vid_gamma->modified = false;
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}
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// advances cinematic time (ignores maxfps and host_framerate settings)
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cin_time += host.realframetime;
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// stop the video after it finishes
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if( cin_time > video_duration + 0.1f )
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{
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SCR_NextMovie( );
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return;
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}
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// read the next frame
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cin_frame = AVI_GetVideoFrameNumber( cin_state, cin_time );
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}
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/*
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==================
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SCR_DrawCinematic
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Returns true if a cinematic is active, meaning the view rendering
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should be skipped
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==================
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*/
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qboolean SCR_DrawCinematic( void )
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{
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static int last_frame = -1;
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qboolean redraw = false;
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byte *frame = NULL;
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if( cin_time <= 0.0f )
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return false;
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if( cin_frame != last_frame )
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{
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frame = AVI_GetVideoFrame( cin_state, cin_frame );
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last_frame = cin_frame;
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redraw = true;
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}
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R_DrawStretchRaw( 0, 0, scr_width->integer, scr_height->integer, xres, yres, frame, redraw );
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return true;
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}
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/*
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==================
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SCR_PlayCinematic
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==================
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*/
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qboolean SCR_PlayCinematic( const char *arg )
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{
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string path;
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const char *fullpath;
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fullpath = FS_GetDiskPath( arg );
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if( FS_FileExists( arg ) && !fullpath )
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{
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MsgDev( D_ERROR, "couldn't load %s from packfile. Please extract it\n", path );
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return false;
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}
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AVI_OpenVideo( cin_state, fullpath, true, true, false );
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if( !AVI_IsActive( cin_state ))
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{
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AVI_CloseVideo( cin_state );
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return false;
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}
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if( !( AVI_GetVideoInfo( cin_state, &xres, &yres, &video_duration ))) // couldn't open this at all.
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{
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AVI_CloseVideo( cin_state );
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return false;
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}
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if( AVI_GetAudioInfo( cin_state, &cin_audio ))
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{
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// begin streaming
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S_StopAllSounds();
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S_StartStreaming();
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}
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UI_SetActiveMenu( false );
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SCR_RebuildGammaTable();
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cls.state = ca_cinematic;
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cin_time = 0.0f;
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return true;
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}
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long SCR_GetAudioChunk( char *rawdata, long length )
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{
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int r;
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r = AVI_GetAudioChunk( cin_state, rawdata, cin_audio.loopStart, length );
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cin_audio.loopStart += r; // advance play position
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return r;
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}
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wavdata_t *SCR_GetMovieInfo( void )
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{
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if( AVI_IsActive( cin_state ))
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return &cin_audio;
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return NULL;
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}
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/*
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==================
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SCR_StopCinematic
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==================
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*/
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void SCR_StopCinematic( void )
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{
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if( cls.state != ca_cinematic )
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return;
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AVI_CloseVideo( cin_state );
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S_StopStreaming();
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cin_time = 0.0f;
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cls.state = ca_disconnected;
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UI_SetActiveMenu( true );
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}
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/*
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==================
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SCR_InitCinematic
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==================
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*/
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void SCR_InitCinematic( void )
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{
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AVIFileInit();
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// used for movie gamma correction
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vid_gamma = Cvar_Get( "vid_gamma", "1.0", CVAR_ARCHIVE, "gamma amount" );
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cin_state = AVI_GetState( CIN_MAIN );
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SCR_RebuildGammaTable();
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}
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/*
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==================
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SCR_FreeCinematic
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==================
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*/
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void SCR_FreeCinematic( void )
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{
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AVIFileExit();
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} |