diff options
Diffstat (limited to 'src/heretic/p_lights.c')
| -rw-r--r-- | src/heretic/p_lights.c | 282 |
1 files changed, 282 insertions, 0 deletions
diff --git a/src/heretic/p_lights.c b/src/heretic/p_lights.c new file mode 100644 index 00000000..5d97a55e --- /dev/null +++ b/src/heretic/p_lights.c @@ -0,0 +1,282 @@ +// Emacs style mode select -*- C++ -*- +//----------------------------------------------------------------------------- +// +// Copyright(C) 1993-1996 Id Software, Inc. +// Copyright(C) 1993-2008 Raven Software +// Copyright(C) 2008 Simon Howard +// +// This program 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 2 +// of the License, or (at your option) any later version. +// +// 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., 59 Temple Place - Suite 330, Boston, MA +// 02111-1307, USA. +// +//----------------------------------------------------------------------------- +#include "doomdef.h" +#include "m_random.h" +#include "p_local.h" +#include "v_video.h" + +//================================================================== +//================================================================== +// +// BROKEN LIGHT FLASHING +// +//================================================================== +//================================================================== + +//================================================================== +// +// T_LightFlash +// +// After the map has been loaded, scan each sector for specials +// that spawn thinkers +// +//================================================================== +void T_LightFlash(lightflash_t * flash) +{ + if (--flash->count) + return; + + if (flash->sector->lightlevel == flash->maxlight) + { + flash->sector->lightlevel = flash->minlight; + flash->count = (P_Random() & flash->mintime) + 1; + } + else + { + flash->sector->lightlevel = flash->maxlight; + flash->count = (P_Random() & flash->maxtime) + 1; + } + +} + + +//================================================================== +// +// P_SpawnLightFlash +// +// After the map has been loaded, scan each sector for specials that spawn thinkers +// +//================================================================== +void P_SpawnLightFlash(sector_t * sector) +{ + lightflash_t *flash; + + sector->special = 0; // nothing special about it during gameplay + + flash = Z_Malloc(sizeof(*flash), PU_LEVSPEC, 0); + P_AddThinker(&flash->thinker); + flash->thinker.function = T_LightFlash; + flash->sector = sector; + flash->maxlight = sector->lightlevel; + + flash->minlight = P_FindMinSurroundingLight(sector, sector->lightlevel); + flash->maxtime = 64; + flash->mintime = 7; + flash->count = (P_Random() & flash->maxtime) + 1; +} + +//================================================================== +// +// STROBE LIGHT FLASHING +// +//================================================================== + +//================================================================== +// +// T_StrobeFlash +// +// After the map has been loaded, scan each sector for specials that spawn thinkers +// +//================================================================== +void T_StrobeFlash(strobe_t * flash) +{ + if (--flash->count) + return; + + if (flash->sector->lightlevel == flash->minlight) + { + flash->sector->lightlevel = flash->maxlight; + flash->count = flash->brighttime; + } + else + { + flash->sector->lightlevel = flash->minlight; + flash->count = flash->darktime; + } + +} + +//================================================================== +// +// P_SpawnLightFlash +// +// After the map has been loaded, scan each sector for specials that spawn thinkers +// +//================================================================== +void P_SpawnStrobeFlash(sector_t * sector, int fastOrSlow, int inSync) +{ + strobe_t *flash; + + flash = Z_Malloc(sizeof(*flash), PU_LEVSPEC, 0); + P_AddThinker(&flash->thinker); + flash->sector = sector; + flash->darktime = fastOrSlow; + flash->brighttime = STROBEBRIGHT; + flash->thinker.function = T_StrobeFlash; + flash->maxlight = sector->lightlevel; + flash->minlight = P_FindMinSurroundingLight(sector, sector->lightlevel); + + if (flash->minlight == flash->maxlight) + flash->minlight = 0; + sector->special = 0; // nothing special about it during gameplay + + if (!inSync) + flash->count = (P_Random() & 7) + 1; + else + flash->count = 1; +} + +//================================================================== +// +// Start strobing lights (usually from a trigger) +// +//================================================================== +void EV_StartLightStrobing(line_t * line) +{ + int secnum; + sector_t *sec; + + secnum = -1; + while ((secnum = P_FindSectorFromLineTag(line, secnum)) >= 0) + { + sec = §ors[secnum]; + if (sec->specialdata) + continue; + + P_SpawnStrobeFlash(sec, SLOWDARK, 0); + } +} + +//================================================================== +// +// TURN LINE'S TAG LIGHTS OFF +// +//================================================================== +void EV_TurnTagLightsOff(line_t * line) +{ + int i; + int j; + int min; + sector_t *sector; + sector_t *tsec; + line_t *templine; + + sector = sectors; + for (j = 0; j < numsectors; j++, sector++) + if (sector->tag == line->tag) + { + min = sector->lightlevel; + for (i = 0; i < sector->linecount; i++) + { + templine = sector->lines[i]; + tsec = getNextSector(templine, sector); + if (!tsec) + continue; + if (tsec->lightlevel < min) + min = tsec->lightlevel; + } + sector->lightlevel = min; + } +} + +//================================================================== +// +// TURN LINE'S TAG LIGHTS ON +// +//================================================================== +void EV_LightTurnOn(line_t * line, int bright) +{ + int i; + int j; + sector_t *sector; + sector_t *temp; + line_t *templine; + + sector = sectors; + + for (i = 0; i < numsectors; i++, sector++) + if (sector->tag == line->tag) + { + // + // bright = 0 means to search for highest + // light level surrounding sector + // + if (!bright) + { + for (j = 0; j < sector->linecount; j++) + { + templine = sector->lines[j]; + temp = getNextSector(templine, sector); + if (!temp) + continue; + if (temp->lightlevel > bright) + bright = temp->lightlevel; + } + } + sector->lightlevel = bright; + } +} + +//================================================================== +// +// Spawn glowing light +// +//================================================================== +void T_Glow(glow_t * g) +{ + switch (g->direction) + { + case -1: // DOWN + g->sector->lightlevel -= GLOWSPEED; + if (g->sector->lightlevel <= g->minlight) + { + g->sector->lightlevel += GLOWSPEED; + g->direction = 1; + } + break; + case 1: // UP + g->sector->lightlevel += GLOWSPEED; + if (g->sector->lightlevel >= g->maxlight) + { + g->sector->lightlevel -= GLOWSPEED; + g->direction = -1; + } + break; + } +} + +void P_SpawnGlowingLight(sector_t * sector) +{ + glow_t *g; + + g = Z_Malloc(sizeof(*g), PU_LEVSPEC, 0); + P_AddThinker(&g->thinker); + g->sector = sector; + g->minlight = P_FindMinSurroundingLight(sector, sector->lightlevel); + g->maxlight = sector->lightlevel; + g->thinker.function = T_Glow; + g->direction = -1; + + sector->special = 0; +} |