vcglib/apps/nexus/nexusview.cpp

481 lines
13 KiB
C++

/****************************************************************************
* 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 1.20 2004/11/18 18:30:14 ponchio
Using baricenters... lotsa changes.
Revision 1.19 2004/10/30 20:17:03 ponchio
Fixed big patches problem.
Revision 1.18 2004/10/21 13:40:16 ponchio
Debugging.
Revision 1.17 2004/10/21 12:22:21 ponchio
Small changes.
Revision 1.16 2004/10/19 01:23:02 ponchio
Daily backup (fragment...)
Revision 1.15 2004/10/15 16:45:27 ponchio
Vbo added.
Revision 1.14 2004/10/14 13:52:02 ponchio
Small changes.
Revision 1.13 2004/10/14 13:41:34 ponchio
Added statistics.
Revision 1.12 2004/10/09 14:46:47 ponchio
Windows porting small changes.
Revision 1.11 2004/10/04 16:49:54 ponchio
Daily backup. Preparing for compression.
Revision 1.10 2004/10/01 16:54:57 ponchio
Daily backup.
Revision 1.9 2004/09/30 23:56:33 ponchio
Backup (added strips and normals)
Revision 1.8 2004/09/30 00:27:42 ponchio
Lot of changes. Backup.
Revision 1.7 2004/09/28 10:26:35 ponchio
Backup
Revision 1.6 2004/09/17 15:25:09 ponchio
First working (hopefully) release.
Revision 1.5 2004/09/16 14:25:16 ponchio
Backup. (lot of changes).
Revision 1.4 2004/08/27 00:38:34 ponchio
Minor changes.
Revision 1.3 2004/07/15 14:32:49 ponchio
Debug.
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 1.2 2004/07/04 15:16:01 ponchio
*** empty log message ***
Revision 1.1 2004/07/02 17:41:57 ponchio
Created.
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 <apps/nexus/nexusmt.h>
#include <iostream>
using namespace std;
#include <SDL/SDL.h>
#ifdef WIN32
#include <windows.h>
#endif
#include <GL/gl.h>
#include <GL/glu.h>
#include <GL/glut.h>
#include <wrap/gui/trackball.h>
#include "watch.h"
using namespace vcg;
using namespace nxs;
bool fullscreen = false;
int width =1024;
int height = 768;
void gl_print(float x, float y, char *str);
SDL_Surface *screen = NULL;
bool init(const string &str) {
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(str.c_str(), str.c_str());
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[]) {
int level = 0;
int apatch = -1;
float error = 4;
Trackball track;
// int option;
if(argc != 2) {
cerr << "Usage: " << argv[0] << " <nexus file>\n"; return -1;
}
NexusMt nexus;
if(!nexus.Load(argv[1])) {
cerr << "Could not load nexus file: " << argv[1] << endl;
return -1;
}
Sphere3f sphere = nexus.sphere;
if(!init(argv[1])) {
cerr << "Could not init SDL window\n";
return -1;
}
// FrustumPolicy frustum_policy;
cerr << "Commands: \n"
" q: quit\n"
" s: screen error extraction\n"
" g: geometry error extraction\n"
" p: draw points\n"
" t: show statistics\n"
" r: toggle realtime mode (TODO)\n"
" b: increase memory buffer\n"
" B: decrease memory buffer\n"
" d: debug mode (show patches colored)\n"
" f: flas shading mode\n"
" m: smooth mode\n"
" c: show colors\n"
" n: show normals\n"
" u: rotate model\n"
" -: decrease error\n"
" +: increase error (= too)\n";
Watch watch;
bool rotate = false;
bool show_borders = false;
bool show_colors = true;
bool show_normals = true;
bool show_statistics = true;
bool extract = true;
NexusMt::MetricKind metric;
NexusMt::Mode mode = NexusMt::SMOOTH;
unsigned int ram_size = 640000;
nexus.SetError(error);
nexus.SetRamExtractionSize(ram_size);
nexus.SetMetric(NexusMt::FRUSTUM);
if(!nexus.InitGL()) {
cerr << "Could not init glew.\n";
}
glClearColor(0, 0, 0, 0);
glEnable(GL_LIGHTING);
glEnable(GL_LIGHT0);
glEnable(GL_NORMALIZE);
glEnable(GL_COLOR_MATERIAL);
glEnable(GL_CULL_FACE);
int quit = 0;
SDL_Event event;
int x, y;
float alpha = 0;
bool redraw = false;
float fps = 0;
float tframe = 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;
case SDLK_b: show_borders = !show_borders; break;
case SDLK_e: extract = !extract; break;
case SDLK_c: show_colors = !show_colors; break;
case SDLK_n: show_normals = !show_normals; break;
case SDLK_9: nexus.patches.ram_size *= 0.8f; break;
case SDLK_0: nexus.patches.ram_size *= 1.2f; break;
case SDLK_LEFT:
ram_size *= 0.7;
nexus.SetRamExtractionSize(ram_size);
cerr << "Max extraction ram size: " << ram_size << endl; break;
case SDLK_RIGHT:
ram_size *= 1.5;
nexus.SetRamExtractionSize(ram_size);
cerr << "Max extraction ram size: " << ram_size << endl; break;
case SDLK_s: metric = NexusMt::FRUSTUM; break;
case SDLK_p: mode = NexusMt::POINTS; nexus.SetMode(mode); break;
case SDLK_d: mode = NexusMt::DEBUG; nexus.SetMode(mode); break;
case SDLK_f: mode = NexusMt::FLAT; nexus.SetMode(mode); break;
case SDLK_m: mode = NexusMt::SMOOTH; nexus.SetMode(mode); break;
case SDLK_r:
case SDLK_SPACE: rotate = !rotate; break;
case SDLK_MINUS:
error *= 0.9f;
nexus.SetError(error);
cerr << "Error: " << error << endl; break;
case SDLK_EQUALS:
case SDLK_PLUS:
error *= 1.1f;
nexus.SetError(error);
cerr << "Error: " << error << endl; break;
}
break;
case SDL_KEYUP:
switch(event.key.keysym.sym) {
case SDLK_RCTRL:
case SDLK_LCTRL:
track.ButtonUp(Trackball::KEY_CTRL); break;
}
break;
case SDL_MOUSEBUTTONDOWN:
x = event.button.x;
y = height - event.button.y;
#ifdef SDL_BUTTON_WHEELUP
if(event.button.button == SDL_BUTTON_WHEELUP)
track.MouseWheel(1);
else if(event.button.button == SDL_BUTTON_WHEELDOWN)
track.MouseWheel(-1);
else
#endif
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 = height - 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 = height - event.motion.y;
track.MouseMove(x, y);
break;
case SDL_VIDEOEXPOSE:
default: break;
}
redraw = true;
}
if(!redraw) continue;
redraw = false;
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
gluPerspective(40, 1, 0.1, 100);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
gluLookAt(0,0,5, 0,0,0, 0,1,0);
glRotatef(alpha, 0, 1, 0);
if(rotate) {
alpha++;
if(alpha > 360) alpha = 0;
SDL_Event redraw;
redraw.type = SDL_VIDEOEXPOSE;
SDL_PushEvent(&redraw);
}
track.GetView();
track.Apply();
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);
//nexus.SetPolicy(policy, error);
nexus.SetComponent(NexusMt::COLOR, show_colors);
nexus.SetComponent(NexusMt::NORMAL, show_normals);
static vector<unsigned int> cells;
watch.Start();
if(extract) {
nexus.patches.Flush();
nexus.metric->GetView();
nexus.policy.Init();
nexus.tri_total = 0;
nexus.tri_rendered = 0;
nexus.Extract(cells);
nexus.Draw(cells);
} else
nexus.Draw(cells);
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(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);
}
}
//cerr Do some reporting:
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);
char buffer[1024];
glColor3f(1.0f, 1.0f, 1.0f);
sprintf(buffer, "Ram size : %.3fMb (max) %.3fMb (cur)",
nexus.patches.ram_size * nexus.chunk_size/(float)(1<<20),
nexus.patches.ram_used * nexus.chunk_size/(float)(1<<20));
gl_print(0.03, 0.12, buffer);
sprintf(buffer, "Extr size: %.3fMb(max) %.3fMb(cur)",
nexus.policy.ram_size * nexus.chunk_size/(float)(1<<20),
nexus.policy.ram_used * nexus.chunk_size/(float)(1<<20));
gl_print(0.03, 0.09, buffer);
sprintf(buffer, "Vbo size : %.3fMb(max) %.3fMb(cur)",
nexus.patches.vbo_size * nexus.chunk_size/(float)(1<<20),
nexus.patches.vbo_used * nexus.chunk_size/(float)(1<<20));
gl_print(0.03, 0.06, buffer);
sprintf(buffer, "Triangles: %.2fK (tot) %.2fK (vis) "
"%.3f time %.2f FPS",
nexus.tri_total/(float)(1<<10),
nexus.tri_rendered/(float)(1<<10),
tframe, 1/tframe);
gl_print(0.03, 0.03, buffer);
/* cerr << "Ram flushed: " << nexus.patches.ram_flushed << endl;
cerr << "Ram readed: " << nexus.patches.ram_readed << endl;*/
nexus.patches.ram_flushed = 0;
nexus.patches.ram_readed = 0;
glEnable(GL_DEPTH_TEST);
glEnable(GL_LIGHTING);
glPopMatrix();
glMatrixMode(GL_MODELVIEW);
glPopMatrix();
}
SDL_GL_SwapBuffers();
tframe = watch.Time();
}
// Clean up
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]);
}