p_ceilng.c
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上传日期:2021-05-12
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文件大小:6k
源码类别:
射击游戏
开发平台:
Visual C++
- // 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: Ceiling aninmation (lowering, crushing, raising)
- //
- //-----------------------------------------------------------------------------
- static const char
- rcsid[] = "$Id: p_ceilng.c,v 1.4 1997/02/03 16:47:53 b1 Exp $";
- #include "z_zone.h"
- #include "doomdef.h"
- #include "p_local.h"
- #include "s_sound.h"
- // State.
- #include "doomstat.h"
- #include "r_state.h"
- // Data.
- #include "sounds.h"
- //
- // CEILINGS
- //
- ceiling_t* activeceilings[MAXCEILINGS];
- //
- // T_MoveCeiling
- //
- void T_MoveCeiling (ceiling_t* ceiling)
- {
- result_e res;
- switch(ceiling->direction)
- {
- case 0:
- // IN STASIS
- break;
- case 1:
- // UP
- res = T_MovePlane(ceiling->sector,
- ceiling->speed,
- ceiling->topheight,
- false,1,ceiling->direction);
- if (!(leveltime&7))
- {
- switch(ceiling->type)
- {
- case silentCrushAndRaise:
- break;
- default:
- S_StartSound((mobj_t *)&ceiling->sector->soundorg,
- sfx_stnmov);
- // ?
- break;
- }
- }
- if (res == pastdest)
- {
- switch(ceiling->type)
- {
- case raiseToHighest:
- P_RemoveActiveCeiling(ceiling);
- break;
- case silentCrushAndRaise:
- S_StartSound((mobj_t *)&ceiling->sector->soundorg,
- sfx_pstop);
- case fastCrushAndRaise:
- case crushAndRaise:
- ceiling->direction = -1;
- break;
- default:
- break;
- }
- }
- break;
- case -1:
- // DOWN
- res = T_MovePlane(ceiling->sector,
- ceiling->speed,
- ceiling->bottomheight,
- ceiling->crush,1,ceiling->direction);
- if (!(leveltime&7))
- {
- switch(ceiling->type)
- {
- case silentCrushAndRaise: break;
- default:
- S_StartSound((mobj_t *)&ceiling->sector->soundorg,
- sfx_stnmov);
- }
- }
- if (res == pastdest)
- {
- switch(ceiling->type)
- {
- case silentCrushAndRaise:
- S_StartSound((mobj_t *)&ceiling->sector->soundorg,
- sfx_pstop);
- case crushAndRaise:
- ceiling->speed = CEILSPEED;
- case fastCrushAndRaise:
- ceiling->direction = 1;
- break;
- case lowerAndCrush:
- case lowerToFloor:
- P_RemoveActiveCeiling(ceiling);
- break;
- default:
- break;
- }
- }
- else // ( res != pastdest )
- {
- if (res == crushed)
- {
- switch(ceiling->type)
- {
- case silentCrushAndRaise:
- case crushAndRaise:
- case lowerAndCrush:
- ceiling->speed = CEILSPEED / 8;
- break;
- default:
- break;
- }
- }
- }
- break;
- }
- }
- //
- // EV_DoCeiling
- // Move a ceiling up/down and all around!
- //
- int
- EV_DoCeiling
- ( line_t* line,
- ceiling_e type )
- {
- int secnum;
- int rtn;
- sector_t* sec;
- ceiling_t* ceiling;
- secnum = -1;
- rtn = 0;
- // Reactivate in-stasis ceilings...for certain types.
- switch(type)
- {
- case fastCrushAndRaise:
- case silentCrushAndRaise:
- case crushAndRaise:
- P_ActivateInStasisCeiling(line);
- default:
- break;
- }
- while ((secnum = P_FindSectorFromLineTag(line,secnum)) >= 0)
- {
- sec = §ors[secnum];
- if (sec->specialdata)
- continue;
- // new door thinker
- rtn = 1;
- ceiling = Z_Malloc (sizeof(*ceiling), PU_LEVSPEC, 0);
- P_AddThinker (&ceiling->thinker);
- sec->specialdata = ceiling;
- ceiling->thinker.function.acp1 = (actionf_p1)T_MoveCeiling;
- ceiling->sector = sec;
- ceiling->crush = false;
- switch(type)
- {
- case fastCrushAndRaise:
- ceiling->crush = true;
- ceiling->topheight = sec->ceilingheight;
- ceiling->bottomheight = sec->floorheight + (8*FRACUNIT);
- ceiling->direction = -1;
- ceiling->speed = CEILSPEED * 2;
- break;
- case silentCrushAndRaise:
- case crushAndRaise:
- ceiling->crush = true;
- ceiling->topheight = sec->ceilingheight;
- case lowerAndCrush:
- case lowerToFloor:
- ceiling->bottomheight = sec->floorheight;
- if (type != lowerToFloor)
- ceiling->bottomheight += 8*FRACUNIT;
- ceiling->direction = -1;
- ceiling->speed = CEILSPEED;
- break;
- case raiseToHighest:
- ceiling->topheight = P_FindHighestCeilingSurrounding(sec);
- ceiling->direction = 1;
- ceiling->speed = CEILSPEED;
- break;
- }
- ceiling->tag = sec->tag;
- ceiling->type = type;
- P_AddActiveCeiling(ceiling);
- }
- return rtn;
- }
- //
- // Add an active ceiling
- //
- void P_AddActiveCeiling(ceiling_t* c)
- {
- int i;
- for (i = 0; i < MAXCEILINGS;i++)
- {
- if (activeceilings[i] == NULL)
- {
- activeceilings[i] = c;
- return;
- }
- }
- }
- //
- // Remove a ceiling's thinker
- //
- void P_RemoveActiveCeiling(ceiling_t* c)
- {
- int i;
- for (i = 0;i < MAXCEILINGS;i++)
- {
- if (activeceilings[i] == c)
- {
- activeceilings[i]->sector->specialdata = NULL;
- P_RemoveThinker (&activeceilings[i]->thinker);
- activeceilings[i] = NULL;
- break;
- }
- }
- }
- //
- // Restart a ceiling that's in-stasis
- //
- void P_ActivateInStasisCeiling(line_t* line)
- {
- int i;
- for (i = 0;i < MAXCEILINGS;i++)
- {
- if (activeceilings[i]
- && (activeceilings[i]->tag == line->tag)
- && (activeceilings[i]->direction == 0))
- {
- activeceilings[i]->direction = activeceilings[i]->olddirection;
- activeceilings[i]->thinker.function.acp1
- = (actionf_p1)T_MoveCeiling;
- }
- }
- }
- //
- // EV_CeilingCrushStop
- // Stop a ceiling from crushing!
- //
- int EV_CeilingCrushStop(line_t *line)
- {
- int i;
- int rtn;
- rtn = 0;
- for (i = 0;i < MAXCEILINGS;i++)
- {
- if (activeceilings[i]
- && (activeceilings[i]->tag == line->tag)
- && (activeceilings[i]->direction != 0))
- {
- activeceilings[i]->olddirection = activeceilings[i]->direction;
- activeceilings[i]->thinker.function.acv = (actionf_v)NULL;
- activeceilings[i]->direction = 0; // in-stasis
- rtn = 1;
- }
- }
- return rtn;
- }