164 lines
4.3 KiB
C++
164 lines
4.3 KiB
C++
// material.hxx -- class to handle material properties
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//
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// Written by Curtis Olson, started May 1998.
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//
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// Copyright (C) 1998 Curtis L. Olson - curt@me.umn.edu
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License as
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// published by the Free Software Foundation; either version 2 of the
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// License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful, but
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// WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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//
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// $Id$
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// (Log is kept at end of this file)
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#ifndef _MATERIAL_HXX
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#define _MATERIAL_HXX
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#ifndef __cplusplus
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# error This library requires C++
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#endif
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#ifdef HAVE_WINDOWS_H
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# include <windows.h>
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#endif
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#include <GL/glut.h>
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#include <XGL/xgl.h>
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#if defined ( __sun__ )
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extern "C" void *memmove(void *, const void *, size_t);
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extern "C" void *memset(void *, int, size_t);
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#endif
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#include <string> // Standard C++ string library
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#include <map> // STL associative "array"
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#ifdef NEEDNAMESPACESTD
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using namespace std;
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#endif
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#include "fragment.hxx"
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#define FG_MAX_MATERIAL_FRAGS 800
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// Material property class
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class fgMATERIAL {
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public:
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// OpenGL texture name
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GLuint texture_id;
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// file name of texture
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char texture_name[256];
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// material properties
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GLfloat ambient[4], diffuse[4], specular[4], emissive[4];
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GLint texture_ptr;
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// transient list of objects with this material type (used for sorting
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// by material to reduce GL state changes when rendering the scene
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fgFRAGMENT * list[FG_MAX_MATERIAL_FRAGS];
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int list_size;
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// Constructor
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fgMATERIAL ( void );
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// Sorting routines
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void init_sort_list( void );
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int append_sort_list( fgFRAGMENT *object );
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// Destructor
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~fgMATERIAL ( void );
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};
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// Material management class
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class fgMATERIAL_MGR {
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public:
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// associative array of materials
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map < string, fgMATERIAL, less<string> > material_map;
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// Constructor
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fgMATERIAL_MGR ( void );
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// Load a library of material properties
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int load_lib ( void );
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// Initialize the transient list of fragments for each material property
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void init_transient_material_lists( void );
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// Destructor
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~fgMATERIAL_MGR ( void );
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};
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// global material management class
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extern fgMATERIAL_MGR material_mgr;
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#endif // _MATERIAL_HXX
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// $Log$
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// Revision 1.1 1998/08/25 16:51:24 curt
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// Moved from ../Scenery
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//
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// Revision 1.10 1998/07/24 21:42:06 curt
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// material.cxx: whups, double method declaration with no definition.
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// obj.cxx: tweaks to avoid errors in SGI's CC.
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// tile.cxx: optimizations by Norman Vine.
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// tilemgr.cxx: optimizations by Norman Vine.
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//
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// Revision 1.9 1998/07/06 21:34:33 curt
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// Added using namespace std for compilers that support this.
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//
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// Revision 1.8 1998/06/17 21:36:39 curt
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// Load and manage multiple textures defined in the Materials library.
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// Boost max material fagments for each material property to 800.
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// Multiple texture support when rendering.
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//
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// Revision 1.7 1998/06/12 00:58:04 curt
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// Build only static libraries.
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// Declare memmove/memset for Sloaris.
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//
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// Revision 1.6 1998/06/06 01:09:31 curt
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// I goofed on the log message in the last commit ... now fixed.
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//
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// Revision 1.5 1998/06/06 01:07:17 curt
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// Increased per material fragment list size from 100 to 400.
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// Now correctly draw viewable fragments in per material order.
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//
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// Revision 1.4 1998/06/05 22:39:53 curt
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// Working on sorting by, and rendering by material properties.
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//
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// Revision 1.3 1998/06/03 00:47:50 curt
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// No .h for STL includes.
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// Minor view culling optimizations.
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//
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// Revision 1.2 1998/06/01 17:56:20 curt
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// Incremental additions to material.cxx (not fully functional)
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// Tweaked vfc_ratio math to avoid divide by zero.
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//
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// Revision 1.1 1998/05/30 01:56:45 curt
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// Added material.cxx material.hxx
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//
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