mirror of
https://github.com/dhewm/dhewm3.git
synced 2024-12-14 14:51:10 +00:00
68 lines
2.7 KiB
C
68 lines
2.7 KiB
C
/*
|
|
===========================================================================
|
|
|
|
Doom 3 GPL Source Code
|
|
Copyright (C) 1999-2011 id Software LLC, a ZeniMax Media company.
|
|
|
|
This file is part of the Doom 3 GPL Source Code ("Doom 3 Source Code").
|
|
|
|
Doom 3 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 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 Source Code. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
In addition, the Doom 3 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 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 __gdefs_h__
|
|
#define __gdefs_h__
|
|
|
|
/*==================*
|
|
* TYPE DEFINITIONS *
|
|
*==================*/
|
|
|
|
typedef unsigned char byte;
|
|
typedef unsigned short word;
|
|
#pragma once
|
|
|
|
#define dabs(a) (((a)<0) ? -(a) : (a))
|
|
#define CLAMP(v,l,h) ((v)<(l) ? (l) : (v)>(h) ? (h) : v)
|
|
#define xswap(a,b) { a^=b; b^=a; a^=b; }
|
|
#define lum(a) ( 0.2990*(a>>16) + 0.5870*((a>>8)&0xff) + 0.1140*(a&0xff) )
|
|
#define gsign(a) ((a) < 0 ? -1 : 1)
|
|
#define mnint(a) ((a) < 0 ? (int)(a - 0.5) : (int)(a + 0.5))
|
|
#define mmax(a, b) ((a) > (b) ? (a) : (b))
|
|
#define mmin(a, b) ((a) < (b) ? (a) : (b))
|
|
#define RGBDIST( src0, src1 ) ( ((src0[0]-src1[0])*(src0[0]-src1[0])) + \
|
|
((src0[1]-src1[1])*(src0[1]-src1[1])) + \
|
|
((src0[2]-src1[2])*(src0[2]-src1[2])) )
|
|
|
|
#define RGBADIST( src0, src1 ) ( ((src0[0]-src1[0])*(src0[0]-src1[0])) + \
|
|
((src0[1]-src1[1])*(src0[1]-src1[1])) + \
|
|
((src0[2]-src1[2])*(src0[2]-src1[2])) + \
|
|
((src0[3]-src1[3])*(src0[3]-src1[3])) )
|
|
|
|
|
|
#define RMULT 0.2990f // use these for televisions
|
|
#define GMULT 0.5870f
|
|
#define BMULT 0.1140f
|
|
|
|
#define RIEMULT -0.16874f
|
|
#define RQEMULT 0.50000f
|
|
#define GIEMULT -0.33126f
|
|
#define GQEMULT -0.41869f
|
|
#define BIEMULT 0.50000f
|
|
#define BQEMULT -0.08131f
|
|
|
|
#endif // gdefs
|