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// 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. |
// |
//----------------------------------------------------------------------------- |
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static const char |
rcsid[] = "$Id: p_plats.c,v 1.5 1997/02/03 22:45:12 b1 Exp $"; |
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#include "i_system.h" |
#include "z_zone.h" |
#include "m_random.h" |
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#include "doomdef.h" |
#include "p_local.h" |
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#include "s_sound.h" |
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// State. |
#include "doomstat.h" |
#include "r_state.h" |
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// Data. |
#include "sounds.h" |
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plat_t* activeplats[MAXPLATS]; |
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// |
// 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; |
} |
} |
|
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// |
// 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.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; |
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plat->wait = 35*PLATWAIT; |
plat->status = P_Random()&1; |
|
S_StartSound((mobj_t *)&sec->soundorg,sfx_pstart); |
break; |
} |
P_AddActivePlat(plat); |
} |
return rtn; |
} |
|
|
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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)NULL; |
} |
} |
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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!"); |
} |