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//-----------------------------------------------------------------------------
// BSPLIB MODULE: ObjectAodFormat.cpp
//
// Copyright (c) 1996-1998 by Markus Hadwiger
// All Rights Reserved.
//-----------------------------------------------------------------------------
// bsplib header files
#include "BspLibDefs.h"
#include "ObjectAodFormat.h"
BSPLIB_NAMESPACE_BEGIN
// write list of vertices -----------------------------------------------------
//
int ObjectAodFormat::WriteVertexList( FileAccess& output )
{
if ( numvertices > 0 ) {
output.WriteLine( "; list of all vertices comprising the object -----------------------------\n" );
output.WriteLine( "; numbering starts with 1\n" );
sprintf( line, "%s\n", _vertices_str );
output.WriteLine( line );
for ( int i = 0; i < numvertices; i++ ) {
sprintf( line, "%f,\t%f,\t%f\t; %d\n",
vertexlist[ i ].getX(),
vertexlist[ i ].getY(),
vertexlist[ i ].getZ(),
i + 1 );
output.WriteLine( line );
}
output.WriteLine( "\n" );
}
return output.Status();
}
// write list of faces --------------------------------------------------------
//
int ObjectAodFormat::WriteFaceList( FileAccess& output )
{
if ( numpolygons > 0 ) {
output.WriteLine( "; list of all faces ------------------------------------------------------\n" );
output.WriteLine( "; numbering starts with 1\n" );
sprintf( line, "%s\n", _faces_str );
output.WriteLine( line );
int i = 0;
WriteFaceInfo( output, polygonlist.FetchHead(), i );
output.WriteLine( "\n" );
}
return output.Status();
}
// write info about single face (vertexindexes comprising the face) -----------
//
void ObjectAodFormat::WriteFaceInfo( FileAccess& output, Polygon *poly, int& num )
{
#if 0
if ( poly->getNext() )
WriteFaceInfo( output, poly->getNext(), num );
poly->WriteVertexList( output, FALSE );
sprintf( line, "\t\t; %d\n", ++num );
output.WriteLine( line );
#else
// scan polygons according to face id
Polygon *scan = NULL;
for ( int facecount = 0; ; facecount++ ) {
for ( scan = poly; scan; scan = scan->getNext() ) {
if ( scan->getFaceId() == facecount )
break;
}
if ( scan == NULL )
break;
scan->WriteVertexList( output, FALSE );
sprintf( line, "\t\t; %d\n", ++num );
output.WriteLine( line );
}
//NOTE:
// if there is no exact 1:1 correspondence between
// polygons and faces this will not work correctly!
// since for each face only one polygon is written,
// tessellated vrml cones and cylinders cannot be
// correctly written to AOD files.
#endif
}
// write surface properties of faces ------------------------------------------
//
int ObjectAodFormat::WriteFaceProperties( FileAccess& output )
{
if ( numfaces > 0 ) {
output.WriteLine( "; face material properties (color, texture, etc.) ------------------------\n" );
sprintf( line, "%s\n", _faceproperties_str );
output.WriteLine( line );
for ( int i = 0; i < numfaces; i++ )
facelist[ i ].WriteFaceInfo( output );
output.WriteLine( "\n" );
}
return output.Status();
}
// write face normals ---------------------------------------------------------
//
int ObjectAodFormat::WriteNormals( FileAccess& output )
{
if ( numnormals > 0 ) {
output.WriteLine( "; face normals -----------------------------------------------------------\n" );
sprintf( line, "%s\n", _facenormals_str );
output.WriteLine( line );
for ( int i = 0; i < numfaces /*numnormals*/; i++ )
facelist[ i ].WriteNormalInfo( output );
output.WriteLine( "\n" );
}
return output.Status();
}
// write list of textures -----------------------------------------------------
//
int ObjectAodFormat::WriteTextureList( FileAccess& output )
{
if ( numtextures > 0 ) {
output.WriteLine( "; texture definitions (sizes and filenames) ------------------------------\n" );
sprintf( line, "%s\n", _textures_str );
output.WriteLine( line );
for ( int i = 0; i < numtextures; i++ )
texturelist[ i ].WriteInfo( output );
}
return output.Status();
}
// write list of mapping coordinates (correspondences) ------------------------
//
int ObjectAodFormat::WriteMappingList( FileAccess& output )
{
if ( numtexmappedfaces > 0 ) {
output.WriteLine( "; mapping parameters for textured faces ----------------------------------\n" );
sprintf( line, "%s\n", _correspondences_str );
output.WriteLine( line );
output.WriteLine( "\n" );
int curfaceno = 0;
for ( int i = 0; i < numtexmappedfaces; i++, curfaceno++ ) {
while ( !facelist[ curfaceno ].FaceTexMapped() )
curfaceno++;
sprintf( line, "; correspondence %d (face %d)\n", i + 1, curfaceno + 1 );
output.WriteLine( line );
if ( mappinglist.getNumElements() > i )
mappinglist[ i ].WriteMappingInfo( output );
else
facelist[ curfaceno ].WriteMappingInfo( output );
}
}
return output.Status();
}
// string scratchpad ----------------------------------------------------------
//
char ObjectAodFormat::line[ 1024 ] = "";
BSPLIB_NAMESPACE_END
//-----------------------------------------------------------------------------
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