60 lines
1.5 KiB
C
60 lines
1.5 KiB
C
/*
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This file is part of Warzone 2100.
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Copyright (C) 1999-2004 Eidos Interactive
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Copyright (C) 2005-2009 Warzone Resurrection Project
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Warzone 2100 is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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Warzone 2100 is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Warzone 2100; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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/**
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* @file
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*
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* Handles fixed point operations for degrees and matrix math.
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* @todo Get rid of this file and use floats instead.
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*/
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#ifndef FIXEDPOINT_H
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#define FIXEDPOINT_H
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#include "wzglobal.h"
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#ifdef __cplusplus
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extern "C"
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{
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#endif //__cplusplus
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//! PSX-style float emulation: 12 digit semi-floats stored in an int
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// FIXME!
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#define FP12_SHIFT 12
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#define FP12_MULTIPLIER (1 << FP12_SHIFT)
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/*
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* Global Definitions (CONSTANTS)
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*/
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static const int DEG_360 = 65536;
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static const float DEG_1 = (float)65536 / 360.f;
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static inline WZ_DECL_CONST int DEG(const float degree)
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{
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return (int)(degree * DEG_1);
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}
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#ifdef __cplusplus
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}
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#endif //__cplusplus
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#endif // FIXEDPOINT_H
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