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//-----------------------------------------------------------------------------
// BSPLIB MODULE: InputData3D.cpp
//
// Copyright (c) 1997-1998 by Markus Hadwiger
// All Rights Reserved.
//-----------------------------------------------------------------------------
// bsplib header files
#include "InputData3D.h"
#include "AodInput.h"
#include "BspInput.h"
#include "VrmlFile.h"
//ADD_FORMAT:
BSPLIB_NAMESPACE_BEGIN
// "virtual" constructor for different input format objects -------------------
//
InputData3D::InputData3D( BspObjectList objectlist, const char *filename, int format ) :
IOData3D( objectlist, String( filename ) ),
m_data( NULL )
{
// create "real" input object according to format of input file
if ( format != DONT_CREATE_OBJECT ) {
switch ( m_objectformat = ReadFileSignature() ) {
case AOD_FORMAT_1_1:
m_data = new AodInput( objectlist, filename );
break;
case BSP_FORMAT_1_1:
m_data = new BspInput( objectlist, filename );
break;
case VRML_FORMAT_1_0:
m_data = new VrmlFile( objectlist, filename );
break;
case _3DX_FORMAT_1_0:
//m_data = new ThreeDXInput( objectlist, filename );
//TODO: add 3dx support
break;
//ADD_FORMAT:
default:
ErrorMessage( "[InputData3D]: Unrecognized input file format." );
m_objectformat = UNKNOWN_FORMAT;
}
} else {
m_objectformat = format;
}
m_inputok = m_data ? m_data->InputDataValid() : FALSE;
}
// virtual destructor ---------------------------------------------------------
//
InputData3D::~InputData3D()
{
// delete "real" object
delete m_data;
}
// redirection to ParseObjectData() of "real" object --------------------------
//
int InputData3D::ParseObjectData()
{
return m_data ? m_data->ParseObjectData() : FALSE;
}
// determine file type according to signature in first line -------------------
//
int InputData3D::ReadFileSignature()
{
FileAccess sig( m_filename, "r" );
sig.ReadLine( line, TEXTLINE_MAX, CHECK_ERRORS );
int filetype = UNKNOWN_FORMAT;
if ( strncmp( line, AOD_SIGNATURE_1_1, strlen( AOD_SIGNATURE_1_1 ) ) == 0 )
filetype = AOD_FORMAT_1_1;
else if ( strncmp( line, BSP_SIGNATURE_1_1, strlen( BSP_SIGNATURE_1_1 ) ) == 0 )
filetype = BSP_FORMAT_1_1;
else if ( strncmp( line, VRML_SIGNATURE_1_0, strlen( VRML_SIGNATURE_1_0 ) ) == 0 )
filetype = VRML_FORMAT_1_0;
else if ( strncmp( line, _3DX_SIGNATURE_1_0, strlen( _3DX_SIGNATURE_1_0 ) ) == 0 )
filetype = _3DX_FORMAT_1_0;
//ADD_FORMAT:
return filetype;
}
// set flag controlling color index to RGB conversion -------------------------
//
int InputData3D::EnableRGBConversion( int enable )
{
int precstate = getRGBConversionFlag();
if ( enable )
PostProcessingFlags |= CONVERT_COLINDXS_TO_RGB;
else
PostProcessingFlags &= ~CONVERT_COLINDXS_TO_RGB;
return precstate;
}
// set flag controlling application of object scale factors -------------------
//
int InputData3D::EnableScaleFactors( int enable )
{
int precstate = getScaleFactorsFlag();
if ( enable )
PostProcessingFlags |= FILTER_SCALE_FACTORS;
else
PostProcessingFlags &= ~FILTER_SCALE_FACTORS;
return precstate;
}
// set flag controlling change of axes per command ----------------------------
//
int InputData3D::EnableAxesChange( int enable )
{
int precstate = getAxesChangeFlag();
if ( enable )
PostProcessingFlags |= DO_AXES_EXCHANGE;
else
PostProcessingFlags &= ~DO_AXES_EXCHANGE;
return precstate;
}
// set flag controlling enforcement of maximum coordinate extent --------------
//
int InputData3D::EnableMaximumExtent( int enable, double extent )
{
int precstate = getEnforceExtentsFlag();
MaximumExtentToForce = extent;
if ( enable )
PostProcessingFlags |= FORCE_MAXIMUM_EXTENT;
else
PostProcessingFlags &= ~FORCE_MAXIMUM_EXTENT;
return precstate;
}
// set flag controlling n-gon enabling/disabling -------------------------------
//
int InputData3D::EnableAllowNGons( int enable )
{
int precstate = getAllowNGonFlag();
if ( enable )
PostProcessingFlags |= ALLOW_N_GONS;
else
PostProcessingFlags &= ~ALLOW_N_GONS;
return precstate;
}
// InputData3D specific static variables --------------------------------------
//
dword InputData3D::PostProcessingFlags = InputData3D::FILTER_SCALE_FACTORS | InputData3D::DO_AXES_EXCHANGE;
double InputData3D::MaximumExtentToForce = 100.0;
const char InputData3D::parser_err_str[] = "\nObject parser: **ERROR** ";
BSPLIB_NAMESPACE_END
//-----------------------------------------------------------------------------
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