mirror of
https://github.com/id-Software/DOOM-3-BFG.git
synced 2024-11-22 12:21:04 +00:00
90 lines
2.5 KiB
C
90 lines
2.5 KiB
C
|
/*
|
||
|
|
===========================================================================
|
||
|
|
|
||
|
|
Doom 3 BFG Edition GPL Source Code
|
||
|
|
Copyright (C) 1993-2012 id Software LLC, a ZeniMax Media company.
|
||
|
|
|
||
|
|
This file is part of the Doom 3 BFG Edition GPL Source Code ("Doom 3 BFG Edition Source Code").
|
||
|
|
|
||
|
|
Doom 3 BFG Edition Source Code 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 3 of the License, or
|
||
|
|
(at your option) any later version.
|
||
|
|
|
||
|
|
Doom 3 BFG Edition Source Code 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 Doom 3 BFG Edition Source Code. If not, see <http://www.gnu.org/licenses/>.
|
||
|
|
|
||
|
|
In addition, the Doom 3 BFG Edition Source Code is also subject to certain additional terms. You should have received a copy of these additional terms immediately following the terms and conditions of the GNU General Public License which accompanied the Doom 3 BFG Edition Source Code. If not, please request a copy in writing from id Software at the address below.
|
||
|
|
|
||
|
|
If you have questions concerning this license or the applicable additional terms, you may contact in writing id Software LLC, c/o ZeniMax Media Inc., Suite 120, Rockville, Maryland 20850 USA.
|
||
|
|
|
||
|
|
===========================================================================
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef __TABLES__
|
||
|
|
#define __TABLES__
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
#ifdef LINUX
|
||
|
|
#include <math.h>
|
||
|
|
#else
|
||
|
|
const float PI = 3.141592657f;
|
||
|
|
#endif
|
||
|
|
|
||
|
|
|
||
|
|
#include "m_fixed.h"
|
||
|
|
|
||
|
|
#define FINEANGLES 8192
|
||
|
|
#define FINEMASK (FINEANGLES-1)
|
||
|
|
|
||
|
|
|
||
|
|
// 0x100000000 to 0x2000
|
||
|
|
#define ANGLETOFINESHIFT 19
|
||
|
|
|
||
|
|
// Effective size is 10240.
|
||
|
|
const extern fixed_t finesine[5*FINEANGLES/4];
|
||
|
|
|
||
|
|
// Re-use data, is just PI/2 pahse shift.
|
||
|
|
const extern fixed_t* finecosine;
|
||
|
|
|
||
|
|
|
||
|
|
// Effective size is 4096.
|
||
|
|
const extern fixed_t finetangent[FINEANGLES/2];
|
||
|
|
|
||
|
|
// Binary Angle Measument, BAM.
|
||
|
|
#define ANG45 0x20000000u
|
||
|
|
#define ANG90 0x40000000u
|
||
|
|
#define ANG180 0x80000000u
|
||
|
|
#define ANG270 0xc0000000u
|
||
|
|
|
||
|
|
|
||
|
|
#define SLOPERANGE 2048
|
||
|
|
#define SLOPEBITS 11
|
||
|
|
#define DBITS (FRACBITS-SLOPEBITS)
|
||
|
|
|
||
|
|
typedef unsigned angle_t;
|
||
|
|
|
||
|
|
|
||
|
|
// Effective size is 2049;
|
||
|
|
// The +1 size is to handle the case when x==y
|
||
|
|
// without additional checking.
|
||
|
|
const extern angle_t tantoangle[SLOPERANGE+1];
|
||
|
|
|
||
|
|
|
||
|
|
// Utility function,
|
||
|
|
// called by R_PointToAngle.
|
||
|
|
int
|
||
|
|
SlopeDiv
|
||
|
|
( unsigned num,
|
||
|
|
unsigned den);
|
||
|
|
|
||
|
|
|
||
|
|
#endif
|
||
|
|
|