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vcglib/apps/nexus/crudeview.cpp

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/****************************************************************************
* VCGLib o o *
* Visual and Computer Graphics Library o o *
* _ O _ *
* Copyright(C) 2004 \/)\/ *
* Visual Computing Lab /\/| *
* ISTI - Italian National Research Council | *
* \ *
* All rights reserved. *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License (http://www.gnu.org/licenses/gpl.txt) *
* for more details. *
* *
****************************************************************************/
/****************************************************************************
History
$Log: not supported by cvs2svn $
Revision 1.4 2004/10/19 04:23:57 ponchio
Added trackball.
Revision 1.3 2004/09/17 15:25:09 ponchio
First working (hopefully) release.
Revision 1.2 2004/07/05 15:49:39 ponchio
Windows (DevCpp, mingw) port.
Revision 1.1 2004/07/04 15:30:00 ponchio
Changed directory structure.
Revision 1.3 2004/07/02 13:03:34 ponchio
*** empty log message ***
Revision 1.2 2004/07/01 21:33:46 ponchio
Added remap reading.
Revision 1.1 2004/06/23 00:10:38 ponchio
Created
****************************************************************************/
#include <iostream>
using namespace std;
#include <wrap/gui/trackball.h>
#include <SDL/SDL.h>
#ifdef WIN32
#include <windows.h>
#endif
#include <GL/gl.h>
#include <GL/glu.h>
#include <apps/nexus/crude.h>
#include <apps/nexus/vert_remap.h>
using namespace vcg;
using namespace nxs;
bool fullscreen = false;
int width =1024;
int height = 768;
//TrackHand hand;
SDL_Surface *screen = NULL;
bool init() {
if(SDL_Init(SDL_INIT_VIDEO) != 0) {
return false;
}
const SDL_VideoInfo *info = SDL_GetVideoInfo();
int bpp = info->vfmt->BitsPerPixel;
SDL_GL_SetAttribute(SDL_GL_RED_SIZE, 5);
SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
int flags = SDL_OPENGL;
if(fullscreen)
flags |= SDL_FULLSCREEN;
screen = SDL_SetVideoMode(width, height, bpp, flags);
if(!screen) {
return false;
}
SDL_WM_SetIcon(SDL_LoadBMP("inspector.bmp"), NULL);
SDL_WM_SetCaption(" Inspector", "Inspector");
glDisable(GL_DITHER);
glShadeModel(GL_SMOOTH);
glHint( GL_FOG_HINT, GL_NICEST );
glEnable(GL_DEPTH_TEST);
glDepthFunc( GL_LEQUAL );
glDisable(GL_LIGHTING);
glEnableClientState(GL_VERTEX_ARRAY);
return true;
}
int main(int argc, char *argv[]) {
if(argc < 2) {
cerr << "Usage: " << argv[0] << " <crude file>\n";
return -1;
}
Crude crude;
if(!crude.Load(argv[1])) {
cerr << "Could not load crude file: " << argv[1] << endl;
return -1;
}
Box3f box = crude.GetBox();
bool vremap = false;
bool fremap = false;
VFile<unsigned int> face_remap;
if(face_remap.Load(argv[1] + string(".rmf"))) {
cerr << "Found face remap.\n";
fremap = true;
} else {
cerr << "Face remap not found.\n";
}
VertRemap vert_remap;
if(vert_remap.Load(argv[1])) {
cerr << "Found vert remap.\n";
vremap = true;
}
if(!init()) {
cerr << "Could not init SDL window\n";
return -1;
}
Trackball track;
glClearColor(0, 0, 0, 0);
glEnable(GL_LIGHTING);
glEnable(GL_LIGHT0);
glEnable(GL_NORMALIZE);
glEnable(GL_COLOR_MATERIAL);
bool redraw = false;
bool show_normals = true;
int quit = 0;
SDL_Event event;
int x, y;
float alpha = 0;
while( !quit ) {
bool first = true;
SDL_WaitEvent(&event);
while( first || SDL_PollEvent( &event ) ){
first = false;
switch( event.type ) {
case SDL_QUIT: quit = 1; break;
case SDL_KEYDOWN:
switch(event.key.keysym.sym) {
case SDLK_RCTRL:
case SDLK_LCTRL:
track.ButtonDown(Trackball::KEY_CTRL); break;
case SDLK_q: exit(0); break;
}
break;
case SDL_MOUSEBUTTONDOWN:
x = event.button.x;
y = event.button.y;
if(event.button.button == SDL_BUTTON_WHEELUP)
track.MouseWheel(1);
else if(event.button.button == SDL_BUTTON_WHEELDOWN)
track.MouseWheel(-1);
else if(event.button.button == SDL_BUTTON_LEFT)
track.MouseDown(x, y, Trackball::BUTTON_LEFT);
else if(event.button.button == SDL_BUTTON_RIGHT)
track.MouseDown(x, y, Trackball::BUTTON_RIGHT);
break;
case SDL_MOUSEBUTTONUP:
x = event.button.x;
y = event.button.y;
if(event.button.button == SDL_BUTTON_LEFT)
track.MouseUp(x, y, Trackball::BUTTON_LEFT);
else if(event.button.button == SDL_BUTTON_RIGHT)
track.MouseUp(x, y, Trackball::BUTTON_RIGHT);
break;
case SDL_MOUSEMOTION:
while(SDL_PeepEvents(&event, 1, SDL_GETEVENT, SDL_MOUSEMOTIONMASK));
x = event.motion.x;
y = event.motion.y;
track.MouseMove(x, y);
break;
default: break;
}
redraw = true;
}
if(!redraw) continue;
redraw = false;
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
gluPerspective(60, 1, 0.1, 100);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
gluLookAt(0,0,3, 0,0,0, 0,1,0);
track.GetView();
track.Apply();
float scale = 3/box.Diag();
glScalef(0.4, 0.4, 0.4);
// glRotatef(alpha, 0, 1, 0);
// alpha++;
// if(alpha > 360) alpha = 0;
glScalef(scale, scale, scale);
Point3f center = box.Center();
glTranslatef(-center[0], -center[1], -center[2]);
// render.render();
glColor3f(0, 1, 0);
glBegin(GL_TRIANGLES);
for(unsigned int i = 0;i < crude.Faces(); i++) {
Crude::Face &face = crude.GetFace(i);
if(fremap) {
unsigned int val = face_remap[i];
glColor3ub((val * 27)%255, (val * 37)%255, (val * 87)%255);
}
Point3f &p0 = crude.GetVertex(face[0]);
Point3f &p1 = crude.GetVertex(face[1]);
Point3f &p2 = crude.GetVertex(face[2]);
if(show_normals) {
Point3f n = ((p1 - p0) ^ (p2 - p0));
glNormal3f(n[0], n[1], n[2]);
}
glVertex3f(p0[0], p0[1], p0[2]);
glVertex3f(p1[0], p1[1], p1[2]);
glVertex3f(p2[0], p2[1], p2[2]);
}
glEnd();
SDL_GL_SwapBuffers();
}
// Clean up
SDL_Quit();
return -1;
}
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