/usr/include/simgear/scene/material/matlib.hxx is in libsimgear-dev 3.4.0-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 | // matlib.hxx -- class to handle material properties
//
// Written by Curtis Olson, started May 1998.
//
// Copyright (C) 1998 - 2000 Curtis L. Olson - http://www.flightgear.org/~curt
//
// 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 for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
//
// $Id$
#ifndef _MATLIB_HXX
#define _MATLIB_HXX
#include <simgear/compiler.h>
#include <simgear/structure/SGReferenced.hxx>
#include <simgear/structure/SGSharedPtr.hxx>
#include <simgear/math/SGMath.hxx>
#include <memory>
#include <string> // Standard C++ string library
#include <map> // STL associative "array"
#include <vector> // STL "array"
class SGMaterial;
class SGPropertyNode;
namespace simgear { class Effect; }
namespace osg { class Geode; }
// Material cache class
class SGMaterialCache : public osg::Referenced
{
private:
typedef std::map < std::string, SGSharedPtr<SGMaterial> > material_cache;
material_cache cache;
public:
// Constructor
SGMaterialCache ( void );
// Insertion
void insert( const std::string& name, SGSharedPtr<SGMaterial> material );
// Lookup
SGMaterial *find( const std::string& material ) const;
// Destructor
~SGMaterialCache ( void );
};
// Material management class
class SGMaterialLib : public SGReferenced
{
private:
class MatLibPrivate;
std::auto_ptr<MatLibPrivate> d;
// associative array of materials
typedef std::vector< SGSharedPtr<SGMaterial> > material_list;
typedef material_list::iterator material_list_iterator;
typedef std::map < std::string, material_list> material_map;
typedef material_map::iterator material_map_iterator;
typedef material_map::const_iterator const_material_map_iterator;
material_map matlib;
public:
// Constructor
SGMaterialLib ( void );
// Load a library of material properties
bool load( const std::string &fg_root, const std::string& mpath,
SGPropertyNode *prop_root );
// find a material record by material name
SGMaterial *find( const std::string& material, SGVec2f center ) const;
SGMaterial *find( const std::string& material, const SGGeod& center ) const;
/**
* Material lookup involves evaluation of position and SGConditions to
* determine which possible material (by season, region, etc) is valid.
* This involves property tree queries, so repeated calls to find() can cause
* race conditions when called from the osgDB pager thread. (especially
* during startup)
*
* To fix this, and also avoid repeated re-evaluation of the material
* conditions, we provide factory method to generate a material library
* cache of the valid materials based on the current state and a given position.
*/
SGMaterialCache *generateMatCache( SGVec2f center);
SGMaterialCache *generateMatCache( SGGeod center);
material_map_iterator begin() { return matlib.begin(); }
const_material_map_iterator begin() const { return matlib.begin(); }
material_map_iterator end() { return matlib.end(); }
const_material_map_iterator end() const { return matlib.end(); }
static const SGMaterial *findMaterial(const osg::Geode* geode);
// Destructor
~SGMaterialLib ( void );
};
typedef SGSharedPtr<SGMaterialLib> SGMaterialLibPtr;
#endif // _MATLIB_HXX
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