481 lines
13 KiB
C++
481 lines
13 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 1.20 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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#include <apps/nexus/nexusmt.h>
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#include <iostream>
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using namespace std;
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#include <SDL/SDL.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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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("inspector.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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Trackball track;
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// int option;
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if(argc != 2) {
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cerr << "Usage: " << argv[0] << " <nexus file>\n"; 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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if(!init(argv[1])) {
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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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// FrustumPolicy frustum_policy;
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cerr << "Commands: \n"
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" q: quit\n"
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" s: screen error extraction\n"
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" g: geometry error extraction\n"
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" p: draw points\n"
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" t: show statistics\n"
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" r: toggle realtime mode (TODO)\n"
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" b: increase memory buffer\n"
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" B: decrease memory buffer\n"
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" d: debug mode (show patches colored)\n"
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" f: flas shading mode\n"
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" m: smooth mode\n"
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" c: show colors\n"
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" n: show normals\n"
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" u: 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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bool rotate = false;
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bool show_borders = false;
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bool show_colors = true;
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bool show_normals = true;
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bool show_statistics = true;
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bool extract = true;
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NexusMt::MetricKind metric;
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NexusMt::Mode mode = NexusMt::SMOOTH;
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unsigned int ram_size = 640000;
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nexus.SetError(error);
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nexus.SetRamExtractionSize(ram_size);
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nexus.SetMetric(NexusMt::FRUSTUM);
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if(!nexus.InitGL()) {
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cerr << "Could not init glew.\n";
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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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bool redraw = false;
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float fps = 0;
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float tframe = 0;
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while( !quit ) {
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bool first = true;
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SDL_WaitEvent(&event);
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while( first || SDL_PollEvent( &event ) ){
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first = false;
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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:
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track.ButtonDown(Trackball::KEY_CTRL); break;
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case SDLK_q: exit(0); break;
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case SDLK_b: show_borders = !show_borders; break;
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case SDLK_e: extract = !extract; break;
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case SDLK_c: show_colors = !show_colors; break;
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case SDLK_n: show_normals = !show_normals; break;
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case SDLK_9: nexus.patches.ram_size *= 0.8f; break;
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case SDLK_0: nexus.patches.ram_size *= 1.2f; break;
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case SDLK_LEFT:
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ram_size *= 0.7;
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nexus.SetRamExtractionSize(ram_size);
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cerr << "Max extraction ram size: " << ram_size << endl; break;
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case SDLK_RIGHT:
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ram_size *= 1.5;
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nexus.SetRamExtractionSize(ram_size);
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cerr << "Max extraction ram size: " << ram_size << endl; break;
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case SDLK_s: metric = NexusMt::FRUSTUM; break;
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case SDLK_p: mode = NexusMt::POINTS; nexus.SetMode(mode); break;
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case SDLK_d: mode = NexusMt::DEBUG; nexus.SetMode(mode); break;
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case SDLK_f: mode = NexusMt::FLAT; nexus.SetMode(mode); break;
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case SDLK_m: mode = NexusMt::SMOOTH; nexus.SetMode(mode); 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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error *= 0.9f;
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nexus.SetError(error);
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cerr << "Error: " << error << endl; break;
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case SDLK_EQUALS:
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case SDLK_PLUS:
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error *= 1.1f;
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nexus.SetError(error);
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cerr << "Error: " << error << endl; 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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redraw = true;
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}
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if(!redraw) continue;
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redraw = false;
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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, 1, 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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glRotatef(alpha, 0, 1, 0);
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if(rotate) {
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alpha++;
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if(alpha > 360) alpha = 0;
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SDL_Event redraw;
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redraw.type = SDL_VIDEOEXPOSE;
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SDL_PushEvent(&redraw);
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}
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track.GetView();
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track.Apply();
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float scale = 2/sphere.Radius();
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glScalef(scale, scale, scale);
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Point3f center = sphere.Center();
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glTranslatef(-center[0], -center[1], -center[2]);
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Point3f &p = nexus.sphere.Center();
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float r = nexus.sphere.Radius();
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glColor3f(0.8f, 0.8f, 0.8f);
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//nexus.SetPolicy(policy, error);
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nexus.SetComponent(NexusMt::COLOR, show_colors);
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nexus.SetComponent(NexusMt::NORMAL, show_normals);
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static vector<unsigned int> cells;
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watch.Start();
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if(extract) {
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nexus.patches.Flush();
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nexus.metric->GetView();
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nexus.policy.Init();
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nexus.tri_total = 0;
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nexus.tri_rendered = 0;
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nexus.Extract(cells);
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nexus.Draw(cells);
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} else
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nexus.Draw(cells);
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if(show_borders) {
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for(unsigned int i = 0; i < cells.size(); i++) {
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Border border = nexus.GetBorder(cells[i]);
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Patch &patch = nexus.GetPatch(cells[i]);
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glPointSize(4);
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glColor3f(1.0f, 1.0f, 1.0f);
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glBegin(GL_POINTS);
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for(int b = 0; b < border.Size(); b++) {
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Link &link = border[b];
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Point3f &p = patch.Vert(link.start_vert);
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glVertex3f(p[0], p[1], p[2]);
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}
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glEnd();
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glPointSize(1);
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}
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}
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//cerr Do some reporting:
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if(show_statistics) {
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glMatrixMode(GL_MODELVIEW);
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glPushMatrix();
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glLoadIdentity();
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glMatrixMode(GL_PROJECTION);
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glPushMatrix();
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glLoadIdentity();
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gluOrtho2D(0, 1, 0, 1);
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glDisable(GL_DEPTH_TEST);
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glDisable(GL_LIGHTING);
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char buffer[1024];
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glColor3f(1.0f, 1.0f, 1.0f);
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sprintf(buffer, "Ram size : %.3fMb (max) %.3fMb (cur)",
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nexus.patches.ram_size * nexus.chunk_size/(float)(1<<20),
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nexus.patches.ram_used * nexus.chunk_size/(float)(1<<20));
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gl_print(0.03, 0.12, buffer);
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sprintf(buffer, "Extr size: %.3fMb(max) %.3fMb(cur)",
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nexus.policy.ram_size * nexus.chunk_size/(float)(1<<20),
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nexus.policy.ram_used * nexus.chunk_size/(float)(1<<20));
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gl_print(0.03, 0.09, buffer);
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sprintf(buffer, "Vbo size : %.3fMb(max) %.3fMb(cur)",
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nexus.patches.vbo_size * nexus.chunk_size/(float)(1<<20),
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nexus.patches.vbo_used * nexus.chunk_size/(float)(1<<20));
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gl_print(0.03, 0.06, buffer);
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sprintf(buffer, "Triangles: %.2fK (tot) %.2fK (vis) "
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"%.3f time %.2f FPS",
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nexus.tri_total/(float)(1<<10),
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nexus.tri_rendered/(float)(1<<10),
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tframe, 1/tframe);
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gl_print(0.03, 0.03, buffer);
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/* cerr << "Ram flushed: " << nexus.patches.ram_flushed << endl;
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cerr << "Ram readed: " << nexus.patches.ram_readed << endl;*/
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nexus.patches.ram_flushed = 0;
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nexus.patches.ram_readed = 0;
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glEnable(GL_DEPTH_TEST);
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glEnable(GL_LIGHTING);
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glPopMatrix();
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glMatrixMode(GL_MODELVIEW);
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glPopMatrix();
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}
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SDL_GL_SwapBuffers();
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tframe = watch.Time();
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}
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// Clean up
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SDL_Quit();
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return -1;
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}
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void gl_print(float x, float y, char *str) {
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glRasterPos2f(x, y);
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int len = (int)strlen(str);
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for(int i = 0; i < len; i++)
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glutBitmapCharacter(GLUT_BITMAP_HELVETICA_18, str[i]);
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}
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