diff options
Diffstat (limited to 'src/heretic/p_plats.c')
| -rw-r--r-- | src/heretic/p_plats.c | 240 |
1 files changed, 240 insertions, 0 deletions
diff --git a/src/heretic/p_plats.c b/src/heretic/p_plats.c new file mode 100644 index 00000000..64439098 --- /dev/null +++ b/src/heretic/p_plats.c @@ -0,0 +1,240 @@ + +// P_plats.c + +#include "DoomDef.h" +#include "P_local.h" +#include "soundst.h" + +plat_t *activeplats[MAXPLATS]; + +//================================================================== +// +// Move a plat up and down +// +//================================================================== +void T_PlatRaise(plat_t *plat) +{ + result_e res; + + switch(plat->status) + { + case up: + res = T_MovePlane(plat->sector,plat->speed, + plat->high,plat->crush,0,1); + if(!(leveltime&31)) + { + S_StartSound((mobj_t *)&plat->sector->soundorg, + sfx_stnmov); + } + if(plat->type == raiseAndChange + || plat->type == raiseToNearestAndChange) + { + if(!(leveltime&7)) + { + S_StartSound((mobj_t *)&plat->sector->soundorg, + sfx_stnmov); + } + } + if (res == crushed && (!plat->crush)) + { + plat->count = plat->wait; + plat->status = down; + S_StartSound((mobj_t *)&plat->sector->soundorg, sfx_pstart); + } + else + if (res == pastdest) + { + plat->count = plat->wait; + plat->status = waiting; + S_StartSound((mobj_t *)&plat->sector->soundorg, sfx_pstop); + switch(plat->type) + { + case downWaitUpStay: + P_RemoveActivePlat(plat); + break; + case raiseAndChange: + P_RemoveActivePlat(plat); + break; + default: + break; + } + } + break; + case down: + res = T_MovePlane(plat->sector,plat->speed,plat->low,false,0,-1); + if (res == pastdest) + { + plat->count = plat->wait; + plat->status = waiting; + S_StartSound((mobj_t *)&plat->sector->soundorg, sfx_pstop); + } + else + { + if(!(leveltime&31)) + { + S_StartSound((mobj_t *)&plat->sector->soundorg, + sfx_stnmov); + } + } + break; + case waiting: + if (!--plat->count) + { + if (plat->sector->floorheight == plat->low) + plat->status = up; + else + plat->status = down; + S_StartSound((mobj_t *)&plat->sector->soundorg, sfx_pstart); + } + case in_stasis: + break; + } +} + +//================================================================== +// +// Do Platforms +// "amount" is only used for SOME platforms. +// +//================================================================== +int EV_DoPlat(line_t *line,plattype_e type,int amount) +{ + plat_t *plat; + int secnum; + int rtn; + sector_t *sec; + + secnum = -1; + rtn = 0; + + // + // Activate all <type> plats that are in_stasis + // + switch(type) + { + case perpetualRaise: + P_ActivateInStasis(line->tag); + break; + default: + break; + } + + while ((secnum = P_FindSectorFromLineTag(line,secnum)) >= 0) + { + sec = §ors[secnum]; + if (sec->specialdata) + continue; + + // + // Find lowest & highest floors around sector + // + rtn = 1; + plat = Z_Malloc( sizeof(*plat), PU_LEVSPEC, 0); + P_AddThinker(&plat->thinker); + + plat->type = type; + plat->sector = sec; + plat->sector->specialdata = plat; + plat->thinker.function = T_PlatRaise; + plat->crush = false; + plat->tag = line->tag; + switch(type) + { + case raiseToNearestAndChange: + plat->speed = PLATSPEED/2; + sec->floorpic = sides[line->sidenum[0]].sector->floorpic; + plat->high = P_FindNextHighestFloor(sec,sec->floorheight); + plat->wait = 0; + plat->status = up; + sec->special = 0; // NO MORE DAMAGE, IF APPLICABLE + S_StartSound((mobj_t *)&sec->soundorg, sfx_stnmov); + break; + case raiseAndChange: + plat->speed = PLATSPEED/2; + sec->floorpic = sides[line->sidenum[0]].sector->floorpic; + plat->high = sec->floorheight + amount*FRACUNIT; + plat->wait = 0; + plat->status = up; + S_StartSound((mobj_t *)&sec->soundorg, sfx_stnmov); + break; + case downWaitUpStay: + plat->speed = PLATSPEED * 4; + plat->low = P_FindLowestFloorSurrounding(sec); + if (plat->low > sec->floorheight) + plat->low = sec->floorheight; + plat->high = sec->floorheight; + plat->wait = 35*PLATWAIT; + plat->status = down; + S_StartSound((mobj_t *)&sec->soundorg, sfx_pstart); + break; + case perpetualRaise: + plat->speed = PLATSPEED; + plat->low = P_FindLowestFloorSurrounding(sec); + if (plat->low > sec->floorheight) + plat->low = sec->floorheight; + plat->high = P_FindHighestFloorSurrounding(sec); + if (plat->high < sec->floorheight) + plat->high = sec->floorheight; + plat->wait = 35*PLATWAIT; + plat->status = P_Random()&1; + S_StartSound((mobj_t *)&sec->soundorg, sfx_pstart); + break; + } + P_AddActivePlat(plat); + } + return rtn; +} + +void P_ActivateInStasis(int tag) +{ + int i; + + for (i = 0;i < MAXPLATS;i++) + if (activeplats[i] && + (activeplats[i])->tag == tag && + (activeplats[i])->status == in_stasis) + { + (activeplats[i])->status = (activeplats[i])->oldstatus; + (activeplats[i])->thinker.function = T_PlatRaise; + } +} + +void EV_StopPlat(line_t *line) +{ + int j; + + for (j = 0;j < MAXPLATS;j++) + if (activeplats[j] && ((activeplats[j])->status != in_stasis) && + ((activeplats[j])->tag == line->tag)) + { + (activeplats[j])->oldstatus = (activeplats[j])->status; + (activeplats[j])->status = in_stasis; + (activeplats[j])->thinker.function = NULL; + } +} + +void P_AddActivePlat(plat_t *plat) +{ + int i; + for (i = 0;i < MAXPLATS;i++) + if (activeplats[i] == NULL) + { + activeplats[i] = plat; + return; + } + I_Error ("P_AddActivePlat: no more plats!"); +} + +void P_RemoveActivePlat(plat_t *plat) +{ + int i; + for (i = 0;i < MAXPLATS;i++) + if (plat == activeplats[i]) + { + (activeplats[i])->sector->specialdata = NULL; + P_RemoveThinker(&(activeplats[i])->thinker); + activeplats[i] = NULL; + return; + } + I_Error ("P_RemoveActivePlat: can't find plat!"); +} |