vcglib/wrap/io_trimesh/export_vrml.h

306 lines
6.6 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. *
* *
****************************************************************************/
/** Function to save in Inventor format file.
@param filename Name of the new inventor file
*/
bool Save_VRML2(const char * filename, int savemask = SM_ALL )
{
FILE *fp;
fp = fopen(filename,"wb");
if(fp==0)
return false;
// Header
fprintf(fp,
"#VRML V2.0 utf8\n"
"\n"
"# Generated by VCGLIB, (C)Copyright 1999-2001 VCG, IEI-CNR\n"
"\n"
"NavigationInfo {\n"
" type [ \"EXAMINE\", \"ANY\" ]\n"
"}\n"
);
// Trans principale
double ss = 8.0/bbox.Diag();
fprintf(fp,
"Transform {\n"
" scale %g %g %g\n"
" translation %g %g %g\n"
" children\n"
" [\n"
,ss
,ss
,ss
, -bbox.Center()[0]*ss
, -bbox.Center()[1]*ss
,-3-bbox.Center()[2]*ss
);
// Start Shape
fprintf(fp,
" Shape\n"
" {\n"
" geometry IndexedFaceSet\n"
" {\n"
" creaseAngle .5\n"
" solid FALSE\n"
" coord Coordinate\n"
" {\n"
" point\n"
" ["
);
face_iterator fi;
vertex_iterator vi;
map<vertex_pointer,int> index;
int ind;
// Vertici
for(ind=0,vi=vert.begin(); vi!=vert.end(); ++vi,++ind)
{
if(ind%4==0)
fprintf(fp,"\n ");
fprintf(fp,"%g %g %g, "
,(*vi).P()[0]
,(*vi).P()[1]
,(*vi).P()[2]
);
index[&*vi] = ind;
}
fprintf(fp,
"\n"
" ]\n"
" }\n"
);
if( ( savemask & SM_VERTCOLOR ) && (vertex_type::OBJ_TYPE & vertex_type::OBJ_TYPE_C) )
{
fprintf(fp,
" color Color\n"
" {\n"
" color\n"
" ["
);
for(ind=0,vi=vert.begin();vi!=vert.end();++vi,++ind)
{
float r = float(vi->C()[0])/255;
float g = float(vi->C()[1])/255;
float b = float(vi->C()[2])/255;
if(ind%4==0)
fprintf(fp,"\n ");
fprintf(fp,
"%g %g %g,"
,r,g,b
);
}
fprintf(fp,
"\n"
" ]\n"
" }\n"
" colorIndex\n"
" ["
);
for(ind=0,fi=face.begin(); fi!=face.end(); ++fi,++ind)
{
if(ind%4==0)
fprintf(fp,"\n ");
for (int j = 0; j < 3; j++)
fprintf(fp,"%i,",index[(*fi).V(j)]);
fprintf(fp,"-1,");
}
fprintf(fp,
"\n"
" ]\n"
);
}
else if( ( savemask & SM_WEDGCOLOR ) && (face_type::OBJ_TYPE & face_type::OBJ_TYPE_WC) )
{
fprintf(fp,
" color Color\n"
" {\n"
" color\n"
" ["
);
for(ind=0,fi=face.begin();fi!=face.end();++fi,++ind)
{
for(int z=0;z<3;++z)
{
float r = float(fi->WC(z)[0])/255;
float g = float(fi->WC(z)[1])/255;
float b = float(fi->WC(z)[2])/255;
if(ind%4==0)
fprintf(fp,"\n ");
fprintf(fp,
"%g %g %g,"
,r,g,b
);
}
}
fprintf(fp,
"\n"
" ]\n"
" }\n"
" colorIndex\n"
" ["
);
int nn = 0;
for(ind=0,fi=face.begin(); fi!=face.end(); ++fi,++ind)
{
if(ind%4==0)
fprintf(fp,"\n ");
for (int j = 0; j < 3; j++)
{
fprintf(fp,"%i,",nn);
++nn;
}
fprintf(fp,"-1,");
}
fprintf(fp,
"\n"
" ]\n"
);
}
else if( ( savemask & SM_WEDGTEXCOORD ) && (face_type::OBJ_TYPE & face_type::OBJ_TYPE_WT) )
{
fprintf(fp,
"\n"
" texCoord TextureCoordinate\n"
" {\n"
" point\n"
" [\n"
);
for(ind=0,fi=face.begin(); fi!=face.end(); ++fi,++ind)
{
if(ind%4==0)
fprintf(fp,"\n ");
for (int j = 0; j < 3; j++)
{
fprintf(fp,"%g %g, "
,fi->WT(j).u()
,fi->WT(j).v()
);
}
}
fprintf(fp,
"\n"
" ]\n"
" }\n"
" texCoordIndex\n"
" [\n"
);
int nn = 0;
for(ind=0,fi=face.begin(); fi!=face.end(); ++fi,++ind)
{
if(ind%4==0)
fprintf(fp,"\n ");
for (int j = 0; j < 3; j++)
{
fprintf(fp,"%d,",nn);
++nn;
}
fprintf(fp,"-1,");
}
fprintf(fp,
"\n"
" ]\n"
);
}
fprintf(fp,
" coordIndex\n"
" ["
);
// Facce
for(ind=0,fi=face.begin(); fi!=face.end(); ++fi,++ind)
{
if(ind%6==0)
{
fprintf(fp,"\n ");
}
for (int j = 0; j < 3; j++)
fprintf(fp,"%i,",index[(*fi).V(j)]);
fprintf(fp,"-1,");
}
fprintf(fp,
"\n"
" ]\n"
" }\n"
" appearance Appearance\n"
" {\n"
" material Material\n"
" {\n"
" ambientIntensity 0.2\n"
" diffuseColor 0.9 0.9 0.9\n"
" specularColor .1 .1 .1\n"
" shininess .5\n"
" }\n"
);
if(textures.size())
{
fprintf(fp,
" texture ImageTexture { url \"%s\" }\n"
,textures[0]
);
}
fprintf(fp,
" }\n"
" }\n"
" ]\n"
"}\n"
);
fclose(fp);
return true;
}