gzdoom/src/tables.h

54 lines
1.4 KiB
C++

// Emacs style mode select -*- C++ -*-
//-----------------------------------------------------------------------------
//
// $Id:$
//
// Copyright (C) 1993-1996 by id Software, Inc.
//
// This source is available for distribution and/or modification
// only under the terms of the DOOM Source Code License as
// published by id Software. All rights reserved.
//
// The source is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// FITNESS FOR A PARTICULAR PURPOSE. See the DOOM Source Code License
// for more details.
//
// DESCRIPTION:
// Lookup tables.
// Do not try to look them up :-).
// In the order of appearance:
//
// int finesine[10240] - Sine lookup.
// Remarkable thing is, how to use BAMs with this?
//
//
//-----------------------------------------------------------------------------
#ifndef __TABLES_H__
#define __TABLES_H__
#include <stdlib.h>
#include <math.h>
#include "basictypes.h"
#define FINEANGLES 8192
#define FINEMASK (FINEANGLES-1)
// 0x100000000 to 0x2000
#define ANGLETOFINESHIFT 19
// Effective size is 10240.
extern fixed_t finesine[5*FINEANGLES/4];
// Binary Angle Measument, BAM.
#define ANGLE_90 (0x40000000)
#define ANGLE_180 (0x80000000)
#define ANGLE_270 (0xc0000000)
#define ANGLE_MAX (0xffffffff)
typedef uint32 angle_t;
#endif // __TABLES_H__