750 lines
20 KiB
C++
750 lines
20 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 1.46 2005/04/04 14:27:53 ponchio
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*** empty log message ***
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Revision 1.45 2005/03/02 10:40:17 ponchio
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Extraction rewrittten (to fix recusive problems).
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Revision 1.44 2005/03/01 11:20:22 ponchio
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nothing really
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Revision 1.43 2005/02/20 18:07:01 ponchio
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cleaning.
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Revision 1.42 2005/02/20 00:43:24 ponchio
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Less memory x extraction. (removed frags)
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Revision 1.41 2005/02/19 12:06:55 ponchio
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Debug...
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Revision 1.40 2005/02/17 15:39:44 ponchio
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Reorderes statistics a bit.
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Revision 1.39 2005/02/17 14:02:03 ponchio
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Full screen options...
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Revision 1.38 2005/02/16 15:52:09 ponchio
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qualche opzione in piu' , tolti i grafici
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Revision 1.37 2005/02/15 15:55:36 ponchio
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aggiunta delle sphere
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Revision 1.36 2005/02/14 17:11:08 ponchio
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aggiunta delle sphere
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Revision 1.35 2005/02/14 14:49:09 ponchio
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*** empty log message ***
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Revision 1.34 2005/02/14 14:21:24 ponchio
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Preload disabled at startap (-p)
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Revision 1.33 2005/02/10 09:18:20 ponchio
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Statistics.
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Revision 1.32 2005/02/03 12:35:01 ponchio
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Patch cache -> heap
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Revision 1.31 2005/02/01 16:42:30 ponchio
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Trigger
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Revision 1.30 2005/01/21 17:09:13 ponchio
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Porting and debug.
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Revision 1.29 2005/01/17 17:35:47 ponchio
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Small changes and adding realtime extr.
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Revision 1.28 2005/01/14 15:25:29 ponchio
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Revolution.
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Revision 1.27 2004/12/15 16:37:55 ponchio
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Optimizing realtime vis.
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Revision 1.26 2004/12/15 13:50:32 ponchio
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Optimizing realtime vis.
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Revision 1.25 2004/12/15 08:46:16 ponchio
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Optimizing realtime vis.
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Revision 1.24 2004/12/13 00:44:48 ponchio
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Lotsa changes...
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Revision 1.23 2004/12/01 18:46:21 ponchio
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Microchanges.
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Revision 1.22 2004/11/28 04:16:19 ponchio
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*** empty log message ***
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Revision 1.21 2004/11/28 01:23:26 ponchio
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Fixing borders... let's hope.
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Revision 1.20 2004/11/18 18:30:14 ponchio
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Using baricenters... lotsa changes.
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Revision 1.19 2004/10/30 20:17:03 ponchio
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Fixed big patches problem.
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Revision 1.18 2004/10/21 13:40:16 ponchio
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Debugging.
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Revision 1.17 2004/10/21 12:22:21 ponchio
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Small changes.
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Revision 1.16 2004/10/19 01:23:02 ponchio
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Daily backup (fragment...)
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Revision 1.15 2004/10/15 16:45:27 ponchio
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Vbo added.
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Revision 1.14 2004/10/14 13:52:02 ponchio
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Small changes.
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Revision 1.13 2004/10/14 13:41:34 ponchio
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Added statistics.
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Revision 1.12 2004/10/09 14:46:47 ponchio
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Windows porting small changes.
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Revision 1.11 2004/10/04 16:49:54 ponchio
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Daily backup. Preparing for compression.
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Revision 1.10 2004/10/01 16:54:57 ponchio
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Daily backup.
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Revision 1.9 2004/09/30 23:56:33 ponchio
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Backup (added strips and normals)
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Revision 1.8 2004/09/30 00:27:42 ponchio
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Lot of changes. Backup.
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Revision 1.7 2004/09/28 10:26:35 ponchio
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Backup
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Revision 1.6 2004/09/17 15:25:09 ponchio
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First working (hopefully) release.
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Revision 1.5 2004/09/16 14:25:16 ponchio
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Backup. (lot of changes).
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Revision 1.4 2004/08/27 00:38:34 ponchio
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Minor changes.
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Revision 1.3 2004/07/15 14:32:49 ponchio
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Debug.
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Revision 1.2 2004/07/05 15:49:39 ponchio
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Windows (DevCpp, mingw) port.
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Revision 1.1 2004/07/04 15:30:00 ponchio
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Changed directory structure.
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Revision 1.2 2004/07/04 15:16:01 ponchio
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*** empty log message ***
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Revision 1.1 2004/07/02 17:41:57 ponchio
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Created.
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Revision 1.3 2004/07/02 13:03:34 ponchio
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*** empty log message ***
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Revision 1.2 2004/07/01 21:33:46 ponchio
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Added remap reading.
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Revision 1.1 2004/06/23 00:10:38 ponchio
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Created
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****************************************************************************/
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#ifdef WIN32
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#include <wrap/system/getopt.h>
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#else
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#include <unistd.h>
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#endif
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#include <deque>
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#include <iostream>
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#include <fstream>
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using namespace std;
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#include <SDL/SDL.h>
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//this include MUST precede GL includes.
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#include <apps/nexus/nexusmt.h>
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#ifdef WIN32
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#include <windows.h>
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#endif
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#include <GL/gl.h>
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#include <GL/glu.h>
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#include <GL/glut.h>
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#include <wrap/gui/trackball.h>
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#include "watch.h"
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using namespace vcg;
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using namespace nxs;
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bool fullscreen = false;
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int width = 1024;
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int height = 768;
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Point3f view(0, 0, 5);
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Point3f target(0, 0, 0);
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void gl_print(float x, float y, char *str);
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SDL_Surface *screen = NULL;
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bool init(const string &str) {
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if(SDL_Init(SDL_INIT_VIDEO) != 0) {
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return false;
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}
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const SDL_VideoInfo *info = SDL_GetVideoInfo();
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int bpp = info->vfmt->BitsPerPixel;
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SDL_GL_SetAttribute(SDL_GL_RED_SIZE, 5);
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SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
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int flags = SDL_OPENGL;
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if(fullscreen)
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flags |= SDL_FULLSCREEN;
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screen = SDL_SetVideoMode(width, height, bpp, flags);
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if(!screen) {
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return false;
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}
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// SDL_WM_SetIcon(SDL_LoadBMP("icon.bmp"), NULL);
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SDL_WM_SetCaption(str.c_str(), str.c_str());
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glDisable(GL_DITHER);
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glShadeModel(GL_SMOOTH);
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glHint( GL_FOG_HINT, GL_NICEST );
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glEnable(GL_DEPTH_TEST);
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glDepthFunc( GL_LEQUAL );
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glDisable(GL_LIGHTING);
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glEnableClientState(GL_VERTEX_ARRAY);
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return true;
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}
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int main(int argc, char *argv[]) {
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int level = 0;
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int apatch = -1;
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float error = 4;
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string file;
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Trackball track;
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if(argc < 2) {
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cerr << "Usage: " << argv[0] << " <nexus file> [options]\n";
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cerr << "-e <error> : set initial target error\n"
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<< "-m <ram> : max ram used\n"
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<< "-x <ram> : max extraction size\n"
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<< "-r <ram> : max draw size\n"
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<< "-d <ram> : max disk read per frame\n"
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<< "-p : no preload\n"
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<< "-w <pixels>: window width\n"
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<< "-h <pixels>: window height\n"
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<< "-f : fullscreen mode\n"
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<< "-l <file> : log timing on file\n"
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<< "-o namefile: ouput stats";
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return -1;
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}
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NexusMt nexus;
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if(!nexus.Load(argv[1])) {
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cerr << "Could not load nexus file: " << argv[1] << endl;
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return -1;
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}
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Sphere3f sphere = nexus.sphere;
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Extraction extraction;
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DrawContest contest;
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Stats stats;
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stats.Start();
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bool rotate = false;
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bool show_borders = false;
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bool do_render = true;
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bool show_statistics = true;
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bool extract = true;
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bool realtime = true;
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bool preload = true;
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Point4f light(1, -1, 1, 0);
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bool output_stats = false;
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char output_filename[100];
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char window_name [100];
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sprintf(window_name,"%s", argv[1]);
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int option;
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while((option = getopt(argc, argv, "e:m:x:r:d:l:o:w:h:p:f")) != EOF) {
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switch(option) {
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case 'e': extraction.target_error = atof(optarg); break;
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case 'm': nexus.MaxRam() = atoi(optarg); break;
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case 'x': extraction.extr_max = atoi(optarg); break;
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case 'r': extraction.draw_max = atoi(optarg); break;
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case 'd': extraction.disk_max = atoi(optarg); break;
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case 'l': file = optarg; break;
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case 'o': output_stats = true; sprintf(output_filename,"%s",optarg); break;
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case 'w': width = atoi(optarg); break;
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case 'h': height = atoi(optarg); break;
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case 'p': preload = false; nexus.SetPreload(preload); break;
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case 'f': fullscreen = true; break;
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default:
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cerr << "Unknow option.\n"; break;
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}
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}
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FILE *fp = NULL;
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if(file != "") {
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fp = fopen(file.c_str(), "rwb+");
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if(!fp) {
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cerr << "Could not open log file: " << file << endl;
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return -1;
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}
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fprintf(fp, "timeMs, error, extrTri, drawTri, diskTri, diskKb\n");
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}
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if(!init(window_name)) {
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cerr << "Could not init SDL window\n";
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return -1;
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}
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cerr << "Commands: \n"
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" q : quit\n"
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" t : toggle statistics\n"
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" right arrow: increase memory buffer\n"
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" left arrow : decrease memory buffer\n"
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" page up : increase disk space\n"
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" page down : increase disk space\n"
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" 0 : decrease extraction size\n"
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" 1 : increase extraction size\n"
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" s : toggle preload\n"
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" l : change light\n"
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" d: debug mode (show patches colored)\n"
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" f: flat shading mode\n"
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" m: smooth mode\n"
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" p: draw points\n"
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" h: draw bounding spheres\n"
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" w: disable glcalls\n"
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" c: show colors\n"
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" n: show normals\n"
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" r: rotate model\n"
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" -: decrease error\n"
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" +: increase error (= too)\n";
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Watch watch;
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if(!nexus.InitGL()) {
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cerr << "Could not init glew.\n";
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return -1;
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}
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glClearColor(0, 0, 0, 0);
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glEnable(GL_LIGHTING);
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glEnable(GL_LIGHT0);
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glEnable(GL_NORMALIZE);
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glEnable(GL_COLOR_MATERIAL);
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glEnable(GL_CULL_FACE);
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int quit = 0;
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SDL_Event event;
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int x, y;
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float alpha = 0;
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float fps = 0;
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unsigned int nave = 5;
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unsigned int offset = 0;
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deque<float> tframe;
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deque<float> terror;
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unsigned int tlen = 256;
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bool keepdrawing = true;
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watch.Start();
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while( !quit ) {
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unsigned int anything = SDL_PollEvent(&event);
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if(!anything && !keepdrawing) {
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SDL_WaitEvent(&event);
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anything = true;
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}
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while(anything) {
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switch( event.type ) {
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case SDL_QUIT: quit = 1; break;
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case SDL_KEYDOWN:
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switch(event.key.keysym.sym) {
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case SDLK_RCTRL:
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case SDLK_LCTRL: track.ButtonDown(Trackball::KEY_CTRL); break;
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case SDLK_q: exit(0); break;
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case SDLK_k: keepdrawing = !keepdrawing; break;
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case SDLK_e: extract = !extract; break;
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case SDLK_c:
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if(contest.attrs & DrawContest::COLOR)
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contest.attrs &= ~DrawContest::COLOR;
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else
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contest.attrs |= DrawContest::COLOR; break;
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case SDLK_n:
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if(contest.attrs & DrawContest::NORMAL)
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contest.attrs &= ~DrawContest::NORMAL;
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else
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contest.attrs |= DrawContest::NORMAL; break;
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case SDLK_w: do_render = !do_render; break;
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case SDLK_LEFT: nexus.MaxRam() *= 0.8; break;
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case SDLK_RIGHT: nexus.MaxRam() *= 1.3; break;
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case SDLK_UP: extraction.draw_max *= 1.3; break;
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case SDLK_DOWN: extraction.draw_max *= 0.8; break;
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case SDLK_PAGEUP: extraction.disk_max *= 1.3; break;
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case SDLK_PAGEDOWN: extraction.disk_max *= 0.8; break;
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case SDLK_0: extraction.extr_max *= 1.3; break;
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case SDLK_9: extraction.extr_max *= 0.8; break;
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case SDLK_p: contest.mode = DrawContest::POINTS; break;
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case SDLK_d: contest.mode = DrawContest::PATCHES; break;
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case SDLK_f: contest.mode = DrawContest::FLAT; break;
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case SDLK_m: contest.mode = DrawContest::SMOOTH; break;
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case SDLK_h: if(contest.attrs&DrawContest::SPHERES)
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contest.attrs &=~DrawContest::SPHERES;
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else
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contest.attrs |=DrawContest::SPHERES;
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break;
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case SDLK_l:
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light[0] = rand();
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light[1] = rand();
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light[2] = rand();
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light.Normalize();
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break;
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case SDLK_o: realtime = !realtime; break;
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case SDLK_s: preload = !preload; nexus.SetPreload(preload); break;
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case SDLK_t: show_statistics = !show_statistics; break;
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case SDLK_r:
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case SDLK_SPACE: rotate = !rotate; break;
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case SDLK_MINUS:
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extraction.target_error *= 0.9f;
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cerr << "Error: " << extraction.target_error << endl;
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break;
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case SDLK_EQUALS:
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case SDLK_PLUS:
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extraction.target_error *= 1.1f;
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cerr << "Error: " << extraction.target_error << endl;
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break;
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}
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break;
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case SDL_KEYUP:
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switch(event.key.keysym.sym) {
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case SDLK_RCTRL:
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case SDLK_LCTRL:
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track.ButtonUp(Trackball::KEY_CTRL); break;
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}
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break;
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case SDL_MOUSEBUTTONDOWN:
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x = event.button.x;
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y = height - event.button.y;
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#ifdef SDL_BUTTON_WHEELUP
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if(event.button.button == SDL_BUTTON_WHEELUP)
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track.MouseWheel(1);
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else if(event.button.button == SDL_BUTTON_WHEELDOWN)
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track.MouseWheel(-1);
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else
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#endif
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if(event.button.button == SDL_BUTTON_LEFT)
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track.MouseDown(x, y, Trackball::BUTTON_LEFT);
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else if(event.button.button == SDL_BUTTON_RIGHT)
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track.MouseDown(x, y, Trackball::BUTTON_RIGHT);
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break;
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case SDL_MOUSEBUTTONUP:
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x = event.button.x;
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y = height - event.button.y;
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if(event.button.button == SDL_BUTTON_LEFT)
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track.MouseUp(x, y, Trackball::BUTTON_LEFT);
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else if(event.button.button == SDL_BUTTON_RIGHT)
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track.MouseUp(x, y, Trackball::BUTTON_RIGHT);
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break;
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case SDL_MOUSEMOTION:
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while(SDL_PeepEvents(&event, 1, SDL_GETEVENT, SDL_MOUSEMOTIONMASK));
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x = event.motion.x;
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y = height - event.motion.y;
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track.MouseMove(x, y);
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break;
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case SDL_VIDEOEXPOSE:
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default: break;
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}
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anything = SDL_PeepEvents(&event, 1, SDL_GETEVENT,
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SDL_ALLEVENTS);
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}
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glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
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glMatrixMode(GL_PROJECTION);
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glLoadIdentity();
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gluPerspective(40, width/(float)height, 0.1, 100);
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glMatrixMode(GL_MODELVIEW);
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glLoadIdentity();
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// gluLookAt(0,0,5, 0,0,0, 0,1,0);
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gluLookAt(view[0],view[1], view[2],
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target[0],target[1],target[2], 0,1,0);
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|
|
|
track.GetView();
|
|
track.Apply();
|
|
|
|
|
|
glLightfv(GL_LIGHT0, GL_POSITION, &light[0]);
|
|
|
|
|
|
glViewport(0,0,width,height);
|
|
glRotatef(alpha, 0, 1, 0);
|
|
if(rotate) {
|
|
alpha++;
|
|
if(alpha > 360) alpha = 0;
|
|
if(!keepdrawing) {
|
|
SDL_Event redraw;
|
|
redraw.type = SDL_VIDEOEXPOSE;
|
|
SDL_PushEvent(&redraw);
|
|
}
|
|
}
|
|
|
|
float scale = 2/sphere.Radius();
|
|
|
|
glScalef(scale, scale, scale);
|
|
Point3f center = sphere.Center();
|
|
glTranslatef(-center[0], -center[1], -center[2]);
|
|
|
|
// Point3f &p = nexus.sphere.Center();
|
|
// float r = nexus.sphere.Radius();
|
|
|
|
|
|
glColor3f(0.8f, 0.8f, 0.8f);
|
|
|
|
if(extract) {
|
|
// Sould we want a different view from metric and extraction
|
|
// extraction.frustum->GetView();
|
|
extraction.metric->GetView();
|
|
if(!realtime) {
|
|
extraction.visited.clear();
|
|
extraction.Extract(&nexus);
|
|
extraction.Update(&nexus);
|
|
} else {
|
|
extraction.Update(&nexus);
|
|
}
|
|
}
|
|
stats.Stop();
|
|
stats.Start();
|
|
if(do_render)
|
|
nexus.Render(extraction, contest, &stats);
|
|
|
|
|
|
|
|
/* if(show_borders) {
|
|
for(unsigned int i = 0; i < cells.size(); i++) {
|
|
Border &border = nexus.GetBorder(cells[i]);
|
|
Patch &patch = nexus.GetPatch(cells[i]);
|
|
glPointSize(4);
|
|
glColor3f(1.0f, 1.0f, 1.0f);
|
|
glBegin(GL_POINTS);
|
|
for(unsigned int b = 0; b < border.Size(); b++) {
|
|
Link &link = border[b];
|
|
Point3f &p = patch.Vert(link.start_vert);
|
|
glVertex3f(p[0], p[1], p[2]);
|
|
}
|
|
glEnd();
|
|
glPointSize(1);
|
|
}
|
|
}*/
|
|
|
|
tframe.push_front(watch.Time());
|
|
if(tframe.size() > tlen) tframe.pop_back();
|
|
|
|
terror.push_front(extraction.max_error);
|
|
if(terror.size() > tlen) terror.pop_back();
|
|
|
|
if(show_statistics) {
|
|
glMatrixMode(GL_MODELVIEW);
|
|
glPushMatrix();
|
|
glLoadIdentity();
|
|
glMatrixMode(GL_PROJECTION);
|
|
glPushMatrix();
|
|
glLoadIdentity();
|
|
gluOrtho2D(0, 1, 0, 1);
|
|
|
|
|
|
glDisable(GL_DEPTH_TEST);
|
|
glDisable(GL_LIGHTING);
|
|
|
|
//show frame and error graphics
|
|
if(false){
|
|
glColor4f(0.6f, 0.6f, 0.6f, 0.5f);
|
|
|
|
glBegin(GL_LINE_STRIP);
|
|
for(unsigned int i = 0; i < tframe.size() -1; i++) {
|
|
double diff = (tframe[i] - tframe[i+1]);
|
|
//glVertex2f(i/1024.0f,0);
|
|
glVertex2f(i/1024.0f,2*diff);
|
|
}
|
|
glEnd();
|
|
|
|
glColor4f(0.0f, 0.6f, 0.2f, 0.5f);
|
|
|
|
glBegin(GL_LINE_STRIP);
|
|
for(unsigned int i = 0; i < terror.size() -1; i++) {
|
|
// glVertex2f(i/1024.0f,0);
|
|
glVertex2f(i/1024.0f,terror[i]/300);
|
|
}
|
|
glEnd();
|
|
}
|
|
|
|
glColor3f(1.0f, 1.0f, 1.0f);
|
|
|
|
char buffer[1024];
|
|
sprintf(buffer, "Ram size : %.2f / %.2f Mb",
|
|
nexus.ram_used * nexus.chunk_size/(float)(1<<20),
|
|
nexus.ram_max * nexus.chunk_size/(float)(1<<20));
|
|
gl_print(0.03, 0.15, buffer);
|
|
|
|
sprintf(buffer, "Extr size: %.2f / %.2f Mb",
|
|
extraction.extr_used * nexus.chunk_size/(float)(1<<20),
|
|
extraction.extr_max * nexus.chunk_size/(float)(1<<20));
|
|
gl_print(0.03, 0.12, buffer);
|
|
|
|
sprintf(buffer, "Draw size: %.2f / %.2f Mb",
|
|
extraction.draw_used * nexus.chunk_size/(float)(1<<20),
|
|
extraction.draw_max * nexus.chunk_size/(float)(1<<20));
|
|
gl_print(0.03, 0.09, buffer);
|
|
|
|
sprintf(buffer, "Disk size: %.2f / %.2f Mb",
|
|
extraction.disk_max * nexus.chunk_size/(float)(1<<20),
|
|
extraction.disk_used * nexus.chunk_size/(float)(1<<20));
|
|
gl_print(0.03, 0.06, buffer);
|
|
|
|
sprintf(buffer, "%.2f KTri %.2f FPS %.0f M/s",
|
|
stats.tri/(float)(1<<10),
|
|
stats.fps, stats.fps * stats.tri/(float)(1<<20));
|
|
gl_print(0.03, 0.03, buffer);
|
|
|
|
|
|
glEnable(GL_DEPTH_TEST);
|
|
glEnable(GL_LIGHTING);
|
|
glPopMatrix();
|
|
glMatrixMode(GL_MODELVIEW);
|
|
glPopMatrix();
|
|
|
|
/* statistics: output on file
|
|
if(output_stats){
|
|
|
|
static Stats statsAcc;
|
|
static float ram_used;
|
|
static float extr_used;
|
|
static float draw_used;
|
|
static float disk_used;
|
|
static std::ofstream outf(output_filename);
|
|
static bool first=true;
|
|
if(first) {
|
|
outf<< "ktri\t fps\t ram \t extr \t draw \t disk \n"
|
|
<< " \t \t"
|
|
<< nexus.ram_max * nexus.chunk_size/(float)(1<<20) << "\t"
|
|
<< extraction.extr_max * nexus.chunk_size/(float)(1<<20) << "\t"
|
|
<< extraction.draw_max * nexus.chunk_size/(float)(1<<20)<<"\t"
|
|
<< extraction.disk_max * nexus.chunk_size/(float)(1<<20)<< "\n";
|
|
first = false;
|
|
}
|
|
|
|
statsAcc.count++ ;
|
|
if((statsAcc.count%30)==0) {
|
|
outf
|
|
<< (statsAcc.tri/(float)statsAcc.count)/(float)(1<<10) << "\t"
|
|
<< (statsAcc.fps/(float)statsAcc.count) << "\t"
|
|
// << (statsAcc.kdisk/(float)statsAcc.count) << "\t"
|
|
<< ram_used/(float)statsAcc.count*nexus.chunk_size/(float)(1<<20) << "\t"
|
|
<< extr_used/(float)statsAcc.count*nexus.chunk_size/(float)(1<<20) << "\t"
|
|
<< draw_used/(float)statsAcc.count*nexus.chunk_size/(float)(1<<20) << "\t"
|
|
<< disk_used/(float)statsAcc.count*nexus.chunk_size/(float)(1<<20) << "\t"
|
|
<< "\n";
|
|
statsAcc.Init();
|
|
statsAcc.count = 0;
|
|
statsAcc.fps = 0;
|
|
ram_used = extr_used = draw_used = disk_used = 0.0;
|
|
} else {
|
|
statsAcc.fps += stats.fps;
|
|
statsAcc.kdisk += stats.kdisk;
|
|
statsAcc.ktri += stats.ktri;
|
|
|
|
ram_used += nexus.ram_used;
|
|
extr_used += extraction.extr_used;
|
|
draw_used += extraction.draw_used;
|
|
disk_used += extraction.disk_used;
|
|
}
|
|
}*/
|
|
}
|
|
|
|
SDL_GL_SwapBuffers();
|
|
if(fp && stats.time.size()) {
|
|
//fprintf(fp, "timeMs, error, extrTri, drawTri, diskTri, diskKb\n");
|
|
assert(stats.time.size() && stats.error.size() && stats.disk.size());
|
|
fprintf(fp, "%d, %f, %d, %d, %d, %d\n",
|
|
(*stats.time.begin())*1000,
|
|
stats.error.begin(),
|
|
(int)stats.extr,
|
|
(int)stats.tri,
|
|
(int)stats.disk_tri,
|
|
(int)((*stats.disk.begin())/1024)*nexus.chunk_size);
|
|
}
|
|
}
|
|
if(fp)
|
|
fclose(fp);
|
|
|
|
SDL_Quit();
|
|
return -1;
|
|
}
|
|
|
|
void gl_print(float x, float y, char *str) {
|
|
glRasterPos2f(x, y);
|
|
int len = (int)strlen(str);
|
|
for(int i = 0; i < len; i++)
|
|
glutBitmapCharacter(GLUT_BITMAP_HELVETICA_18, str[i]);
|
|
}
|
|
|
|
|