369 lines
9.7 KiB
C++
369 lines
9.7 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 1.7 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 "getopt.h"
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#else
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#include <unistd.h>
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#endif
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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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#include <GL/gl.h>
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#include <GL/glu.h>
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#include <apps/nexus/nexusmt.h>
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#include <wrap/gui/trackball.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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//TrackHand hand;
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SDL_Surface *screen = NULL;
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bool init() {
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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(" Inspector", "Inspector");
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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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enum Mode { SCREEN, GEO };
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int level = 0;
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int apatch = -1;
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float error = 1;
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Mode mode = SCREEN;
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Trackball track;
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int option;
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while((option = getopt(argc, argv, "l:p:g:s:")) != EOF) {
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switch(option) {
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case 'l': level = atoi(optarg); break;
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case 'p': apatch = atoi(optarg); break;
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case 'g': mode = GEO; error = (float)atof(optarg); break;
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case 's': mode = SCREEN; error = (float)atof(optarg); break;
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default: cerr << "Unknown option: " << (char)option << endl;
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return -1;
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}
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}
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if(optind != argc - 1) {
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cerr << "Usage: " << argv[0] << " <nexus file> [options]\n"
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<< " -l <n>: show level n\n"
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<< " -p <n>: show patch n\n"
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<< " -g <e>: extract at geometry error e\n"
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<< " -s <e>: extract at screen error e\n\n";
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return -1;
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}
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NexusMt nexus;
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if(!nexus.Load(argv[optind])) {
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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()) {
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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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bool rotate = true;
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bool show_borders = true;
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bool show_colors = true;
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bool show_normals = true;
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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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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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while( !quit ) {
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while( SDL_WaitEvent( &event ) ){
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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_q: exit(0); break;
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case SDLK_b: show_borders = !show_borders;break;
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case SDLK_c:
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show_colors = !show_colors;
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break;
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case SDLK_n:
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show_normals = !show_normals;
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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: error *= 0.9;
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cerr << "error: " << error << endl; break;
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case SDLK_EQUALS:
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case SDLK_PLUS: error *= 1.1;
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cerr << "error: " << error << endl; break;
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}
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//quit = 1;
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//error++;
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//if(error == 5) error = 0;
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//render.setMaxError(error/10.0);
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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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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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track.MouseDown(x, y, 1);
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// hand.buttonDown(x, y, 1);
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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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track.MouseUp(x, y, 1);
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// hand.buttonUp(x, y);
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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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// hand.mouseMove(x, y);
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break;
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default: break;
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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, 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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track.GetView();
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track.Apply();
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float scale = 2/sphere.Radius();
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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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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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nexus.SetPolicy(NexusMt::FRUSTUM, 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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nexus.Render();
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/* vector<unsigned int> cells;
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if(apatch != -1) {
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cells.push_back(apatch);
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} else if(mode == GEO) {
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nexus.ExtractFixed(cells, error);
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} else if(mode == SCREEN) {
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frustum_policy.error = error;
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frustum_policy.GetView();
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nexus.Extract(cells, &frustum_policy);
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} else {
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for(int i = 0; i < nexus.index.size(); i++) {
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if(nexus.index[i].error == 0)
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cells.push_back(i);
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}
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}
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glColor3f(1, 1, 1);
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for(unsigned int i = 0; i < cells.size(); i++) {
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unsigned int cell = cells[i];
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Patch patch = nexus.GetPatch(cell);
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if(show_color) {
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unsigned int val = cell + 1;
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glColor3ub(((val * 27)%128) + 128,
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((val * 37)%128) + 128,
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((val * 87)%128) + 128);
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}
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glBegin(GL_TRIANGLES);
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unsigned short *f = patch.FaceBegin();
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for(unsigned int j = 0; j < patch.nf*3; j+= 3) {
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Point3f &p1 = patch.Vert(f[j]);
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Point3f &p2 = patch.Vert(f[j+1]);
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Point3f &p3 = patch.Vert(f[j+2]);
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Point3f n = ((p2 - p1) ^ (p3 - p1));
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if(!show_normals) {
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glNormal3f(n[0], n[1], n[2]);
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glVertex3f(p1[0], p1[1], p1[2]);
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glVertex3f(p2[0], p2[1], p2[2]);
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glVertex3f(p3[0], p3[1], p3[2]);
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} else {
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short *n1 = patch.Norm16(f[j]);
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short *n2 = patch.Norm16(f[j+1]);
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short *n3 = patch.Norm16(f[j+2]);
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glNormal3s(n1[0], n1[1], n1[2]);
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glVertex3f(p1[0], p1[1], p1[2]);
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glNormal3s(n2[0], n2[1], n2[2]);
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glVertex3f(p2[0], p2[1], p2[2]);
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glNormal3s(n3[0], n3[1], n3[2]);
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glVertex3f(p3[0], p3[1], p3[2]);
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}
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}
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glEnd();
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}
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if(show_borders) {
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for(unsigned int i = 0; i < cells.size(); i++) {
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unsigned int cell = cells[i];
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Patch patch = nexus.GetPatch(cell);
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//drawing borders
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glColor3f(1, 1, 1);
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Border border = nexus.GetBorder(cell);
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glPointSize(4);
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glDisable(GL_LIGHTING);
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glDisable(GL_DEPTH_TEST);
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glBegin(GL_POINTS);
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for(unsigned int k = 0; k < border.Size(); k++) {
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if(border[k].IsNull()) continue;
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Point3f &p = patch.Vert(border[k].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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glEnable(GL_DEPTH_TEST);
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glEnable(GL_LIGHTING);
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}
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}
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*/
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SDL_GL_SwapBuffers();
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}
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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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