82 lines
2.6 KiB
C++
82 lines
2.6 KiB
C++
// general.hxx -- a general house keeping data structure definition for
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// various info that might need to be accessible from all
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// parts of the sim.
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//
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// Written by Curtis Olson, started July 1997.
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//
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// Copyright (C) 1997 Curtis L. Olson - http://www.flightgear.org/~curt
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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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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//
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// $Id$
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#ifndef _GENERAL_HXX
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#define _GENERAL_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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// #define FANCY_FRAME_COUNTER
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#ifdef FANCY_FRAME_COUNTER
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#define FG_FRAME_RATE_HISTORY 10
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#endif
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// the general house keeping structure definition
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class FGGeneral {
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// Info about OpenGL
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char *glVendor;
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char *glRenderer;
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char *glVersion;
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int glMaxTexSize;
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int glDepthBits;
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// Last frame rate measurement
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int frame_rate;
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#ifdef FANCY_FRAME_COUNTER
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double frames[FG_FRAME_RATE_HISTORY];
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#endif
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public:
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inline void set_glVendor( char *str ) { glVendor = str; }
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inline char* get_glRenderer() const { return glRenderer; }
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inline void set_glRenderer( char *str ) { glRenderer = str; }
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inline void set_glVersion( char *str ) { glVersion = str; }
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inline void set_glMaxTexSize( int i ) { glMaxTexSize = i; }
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inline int get_glMaxTexSize() const { return glMaxTexSize; }
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inline void set_glDepthBits( int d ) { glDepthBits = d; }
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inline int get_glDepthBits() const { return glDepthBits; }
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inline double get_frame_rate() const { return frame_rate; }
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#ifdef FANCY_FRAME_COUNTER
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inline double get_frame(int idx) const { return frames[idx]; }
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inline void set_frame( int idx, double value ) { frames[idx] = value; }
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inline void set_frame_rate( double rate ) { frame_rate = rate; }
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#else
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inline void set_frame_rate( int rate ) { frame_rate = rate; }
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#endif
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};
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// general contains all the general house keeping parameters.
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extern FGGeneral general;
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#endif // _GENERAL_HXX
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