ref: 2053768a9251cbd4c731681a3e1e04c800ad21f4
dir: /src/strife/p_ceilng.c/
//
// Copyright(C) 1993-1996 Id Software, Inc.
// Copyright(C) 2005-2014 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.
//
// DESCRIPTION: Ceiling aninmation (lowering, crushing, raising)
//
#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(&ceiling->sector->soundorg, sfx_stnmov);
// ?
break;
}
}
if (res == pastdest)
{
switch(ceiling->type)
{
case raiseToHighest:
P_RemoveActiveCeiling(ceiling);
break;
case silentCrushAndRaise:
S_StartSound(&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(&ceiling->sector->soundorg, sfx_stnmov);
}
}
if (res == pastdest)
{
switch(ceiling->type)
{
case silentCrushAndRaise:
S_StartSound(&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!
//
// haleyjd 10/04/10: [STRIFE] Changes:
// * Fast crushers were made 2x as fast.
// * lowerAndCrush was apparently "fixed" to actually crush, and was also
// altered to lower all the way to the floor rather than remain 8 above.
// * silentCrushAndRaise and crushAndRaise no longer crush.
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:
// [STRIFE]: Speed of fast crushers increased by 2x!
ceiling->crush = true;
ceiling->topheight = sec->ceilingheight;
ceiling->bottomheight = sec->floorheight + (8*FRACUNIT);
ceiling->direction = -1;
ceiling->speed = CEILSPEED * 4; // [STRIFE] Was CEILSPEED * 2
break;
case lowerAndCrush:
// [STRIFE] lowerAndCrush doesn't seem to have crushed in DOOM,
// but it was certainly made to do so in Strife! It is also
// changed to lower all the way to the floor.
ceiling->crush = 1;
ceiling->direction = -1;
ceiling->speed = CEILSPEED;
ceiling->bottomheight = sec->floorheight;
break;
case silentCrushAndRaise:
case crushAndRaise:
// [STRIFE] haleyjd 20130209: Turns out these types do NOT crush
// in Strife... yeah, that makes a lot of sense. Thanks to Gez for
// having detected this difference.
//ceiling->crush = true;
ceiling->topheight = sec->ceilingheight;
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;
}