720551d549
fopen to osgDB::fopen to facilitate support for wide character filenames using UT8 encoding.
110 lines
3.2 KiB
C++
110 lines
3.2 KiB
C++
/*
|
|
* This library is open source and may be redistributed and/or modified under
|
|
* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or (at
|
|
* your option) any later version. The full license is in the LICENSE file
|
|
* included with this distribution, and on the openscenegraph.org website.
|
|
*
|
|
* This library 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
|
|
* OpenSceneGraph Public License for more details.
|
|
*/
|
|
|
|
//
|
|
// Copyright(c) 2008 Skew Matrix Software LLC.
|
|
//
|
|
|
|
#ifndef __FLTEXP_VERTEX_PALETTE_MANAGER_H__
|
|
#define __FLTEXP_VERTEX_PALETTE_MANAGER_H__ 1
|
|
|
|
|
|
#include "DataOutputStream.h"
|
|
#include "ExportOptions.h"
|
|
#include <osg/Array>
|
|
#include <osgDB/fstream>
|
|
#include <map>
|
|
|
|
namespace osg {
|
|
class Geometry;
|
|
}
|
|
|
|
|
|
namespace flt
|
|
{
|
|
|
|
|
|
/*!
|
|
Manages writing the Vertex Palette record during export.
|
|
Maintains a map to ensure that instanced VertexArray data is only
|
|
written once to the palette. Writes the palette record to a temp
|
|
file and copies it to FltExportVisitor::_dos after the scene graph
|
|
has been completely walked.
|
|
*/
|
|
class VertexPaletteManager
|
|
{
|
|
public:
|
|
VertexPaletteManager( const ExportOptions& fltOpt );
|
|
~VertexPaletteManager();
|
|
|
|
void add( const osg::Geometry& geom );
|
|
void add( const osg::Array* key,
|
|
const osg::Vec3dArray* v, const osg::Vec4Array* c,
|
|
const osg::Vec3Array* n, const osg::Vec2Array* t,
|
|
bool colorPerVertex, bool normalPerVertex, bool allowSharing=true );
|
|
|
|
unsigned int byteOffset( unsigned int idx ) const;
|
|
|
|
void write( DataOutputStream& dos ) const;
|
|
|
|
/*!
|
|
Static utility routines for handling the morass of array
|
|
types that could be found in a Geometry object's vertex/
|
|
normal/texcoord/color data. */
|
|
static osg::ref_ptr< const osg::Vec2Array > asVec2Array( const osg::Array* in, const unsigned int n );
|
|
static osg::ref_ptr< const osg::Vec3Array > asVec3Array( const osg::Array* in, const unsigned int n );
|
|
static osg::ref_ptr< const osg::Vec3dArray > asVec3dArray( const osg::Array* in, const unsigned int n );
|
|
static osg::ref_ptr< const osg::Vec4Array > asVec4Array( const osg::Array* in, const unsigned int n );
|
|
|
|
protected:
|
|
typedef enum {
|
|
VERTEX_C,
|
|
VERTEX_CN,
|
|
VERTEX_CNT,
|
|
VERTEX_CT
|
|
} PaletteRecordType;
|
|
|
|
static PaletteRecordType recordType( const osg::Array* v, const osg::Array* c,
|
|
const osg::Array* n, const osg::Array* t );
|
|
unsigned int recordSize( PaletteRecordType recType );
|
|
|
|
void writeRecords( const osg::Vec3dArray* v, const osg::Vec4Array* c,
|
|
const osg::Vec3Array* n, const osg::Vec2Array* t,
|
|
bool colorPerVertex, bool normalPerVertex );
|
|
|
|
unsigned int _currentSizeBytes;
|
|
|
|
struct ArrayInfo {
|
|
ArrayInfo();
|
|
|
|
unsigned int _byteStart;
|
|
unsigned int _idxSizeBytes;
|
|
unsigned int _idxCount;
|
|
};
|
|
ArrayInfo* _current;
|
|
ArrayInfo _nonShared;
|
|
|
|
typedef std::map< const osg::Array*, ArrayInfo > ArrayMap;
|
|
ArrayMap _arrayMap;
|
|
|
|
mutable osgDB::ofstream _verticesStr;
|
|
DataOutputStream* _vertices;
|
|
std::string _verticesTempName;
|
|
|
|
const ExportOptions& _fltOpt;
|
|
};
|
|
|
|
|
|
}
|
|
|
|
#endif
|