// Emacs style mode select -*- C++ -*- //----------------------------------------------------------------------------- // // $Id:$ // // Copyright (C) 1993-1996 by id Software, Inc. // // This source is available for distribution and/or modification // only under the terms of the DOOM Source Code License as // published by id Software. All rights reserved. // // The source is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // FITNESS FOR A PARTICULAR PURPOSE. See the DOOM Source Code License // for more details. // // $Log:$ // // DESCRIPTION: // Plats (i.e. elevator platforms) code, raising/lowering. // //----------------------------------------------------------------------------- #include "doom_config.h" #include "i_system.h" #include "z_zone.h" #include "m_random.h" #include "doomdef.h" #include "p_local.h" #include "s_sound.h" #include "doomstat.h" // State. #include "r_state.h" // State. #include "sounds.h" // Data. 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 (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 blazeDWUS: case downWaitUpStay: P_RemoveActivePlat(plat); break; case raiseAndChange: case raiseToNearestAndChange: 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); } 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 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.acp1 = (actionf_p1)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; // NO MORE DAMAGE, IF APPLICABLE sec->special = 0; 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 blazeDWUS: plat->speed = PLATSPEED * 8; 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.acp1 = (actionf_p1)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.acv = (actionf_v)0; } } void P_AddActivePlat(plat_t* plat) { int i; for (i = 0; i < MAXPLATS; i++) if (activeplats[i] == 0) { activeplats[i] = plat; return; } I_Error("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 = 0; P_RemoveThinker(&(activeplats[i])->thinker); activeplats[i] = 0; return; } I_Error("Error: P_RemoveActivePlat: can't find plat!"); }