88 lines
3.0 KiB
C++
88 lines
3.0 KiB
C++
/****************************************************************************
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* VCGLib o o *
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* Visual and Computer Graphics Library o o *
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* _ O _ *
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* Copyright(C) 2004 \/)\/ *
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* Visual Computing Lab /\/| *
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* ISTI - Italian National Research Council | *
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* \ *
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* All rights reserved. *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License (http://www.gnu.org/licenses/gpl.txt) *
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* for more details. *
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* *
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****************************************************************************/
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/****************************************************************************
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History
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$Log: not supported by cvs2svn $
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Revision 1.1 2005/04/14 21:23:39 ganovelli
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*** empty log message ***
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****************************************************************************/
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#ifndef VCGLIB_TRACKRECORDER
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#define VCGLIB_TRACKRECORDER
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#include <wrap/gui/trackball.h>
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#include <stdio.h>
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#include <time.h>
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namespace vcg{
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struct TrackRecorder{
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TrackRecorder(){Stop();}
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FILE * trackfile;
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enum { PLAY,REC,OFF } mode;
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int nextTime,
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startTime;
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void StartPlaying(char * namefile){
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if(trackfile != NULL) return;
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trackfile = fopen(namefile,"rb");
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startTime = clock();
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mode = PLAY;
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fread(&nextTime,4,1,trackfile);
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}
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void UpdateTrackball(Trackball & t){
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while( ( clock()-startTime > nextTime)&& !feof(trackfile)){
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fread(&t.track,sizeof(float)*4 + sizeof(float)*5,1,trackfile);
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fread(&nextTime,4,1,trackfile);
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}
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if(feof(trackfile))
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Stop();
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}
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void StartRecording(char * namefile){
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if(trackfile != NULL) return;
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trackfile = fopen(namefile,"wb");
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startTime = clock();
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mode = REC;
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}
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void RecordTrackball(Trackball & t){
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nextTime = clock()-startTime;
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fwrite(&nextTime,4,1,trackfile);
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fwrite(&t.track,sizeof(float)*4 + sizeof(float)*5,1,trackfile);
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}
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void Stop(){mode = OFF; trackfile = NULL;};
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};
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}
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#endif |