raze/source/games/duke/src/macros.h
Christoph Oelckers 45f51b0c4b -more header work.
2020-07-06 22:55:35 +02:00

85 lines
3.1 KiB
C

//-------------------------------------------------------------------------
/*
Copyright (C) 2010 EDuke32 developers and contributors
This file is part of EDuke32.
EDuke32 is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License version 2
as published by the Free Software Foundation.
This program 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 this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
//-------------------------------------------------------------------------
#ifndef EDUKE32_MACROS_H_
#define EDUKE32_MACROS_H_
#include "mmulti.h"
BEGIN_DUKE_NS
// Macros, some from SW source
static FORCE_INLINE int32_t krand2(void)
{
randomseed = (randomseed * 27584621ul) + 1ul;
return ((uint32_t) randomseed)>>16;
}
#define BGSTRETCH (hud_bgstretch ? 1024 : 0)
#define TRAVERSE_SPRITE_SECT(l, o, n) (o) = (l); ((o) != -1) && ((n) = nextspritesect[o]); (o) = (n)
#define TRAVERSE_SPRITE_STAT(l, o, n) (o) = (l); ((o) != -1) && ((n) = nextspritestat[o]); (o) = (n)
#define TRAVERSE_CONNECT(i) i = 0; i != -1; i = connectpoint2[i]
#define TEST(flags,mask) ((flags) & (mask))
#define SET(flags,mask) ((flags) |= (mask))
#define RESET(flags,mask) ((flags) &= ~(mask))
#define FLIP(flags,mask) ((flags) ^= (mask))
// mask definitions
#define BIT(shift) (1u<<(shift))
#define rnd(X) ((krand2()>>8)>=(255-(X)))
//
// NETWORK - REDEFINABLE SHARED (SYNC) KEYS BIT POSITIONS
//
//cstat, bit 0: 1 = Blocking sprite (use with clipmove, getzrange) "B"
// bit 1: 1 = 50/50 transluscence, 0 = normal "T"
// bit 2: 1 = x-flipped, 0 = normal "F"
// bit 3: 1 = y-flipped, 0 = normal "F"
// bits 5-4: 00 = FACE sprite (default) "R"
// 01 = WALL sprite (like masked walls)
// 10 = FLOOR sprite (parallel to ceilings&floors)
// 11 = SPIN sprite (face sprite that can spin 2draw style - not done yet)
// bit 6: 1 = 1-sided sprite, 0 = normal "1"
// bit 7: 1 = Real centered centering, 0 = foot center "C"
// bit 8: 1 = Blocking sprite (use with hitscan) "H"
// bit 9: reserved
// bit 10: reserved
// bit 11: 1 = determine shade based only on its own shade member (see CON's spritenoshade command), i.e.
// don't take over shade from parallaxed ceiling/nonparallaxed floor
// (NOTE: implemented on the game side)
// bit 12: reserved
// bit 13: reserved
// bit 14: reserved
// bit 15: 1 = Invisible sprite, 0 = not invisible
#define CSTAT_SPRITE_NOSHADE BIT(11)
#define CSTAT_SPRITE_BREAKABLE (CSTAT_SPRITE_BLOCK_HITSCAN)
END_DUKE_NS
#endif