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// Emacs style mode select -*- C++ -*-
//-----------------------------------------------------------------------------
//
// Copyright(C) 1993-1996 Id Software, Inc.
// Copyright(C) 1993-2008 Raven Software
//
// 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.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
// 02111-1307, USA.
//
//-----------------------------------------------------------------------------
#include "doomdef.h"
#include "p_local.h"
#include "s_sound.h"
#include "v_video.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))
S_StartSound((mobj_t *) & ceiling->sector->soundorg,
sfx_dormov);
if (res == pastdest)
switch (ceiling->type)
{
case raiseToHighest:
P_RemoveActiveCeiling(ceiling);
break;
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))
S_StartSound((mobj_t *) & ceiling->sector->soundorg,
sfx_dormov);
if (res == pastdest)
switch (ceiling->type)
{
case crushAndRaise:
ceiling->speed = CEILSPEED;
case fastCrushAndRaise:
ceiling->direction = 1;
break;
case lowerAndCrush:
case lowerToFloor:
P_RemoveActiveCeiling(ceiling);
break;
default:
break;
}
else if (res == crushed)
switch (ceiling->type)
{
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, rtn;
sector_t *sec;
ceiling_t *ceiling;
secnum = -1;
rtn = 0;
//
// Reactivate in-stasis ceilings...for certain types.
//
switch (type)
{
case fastCrushAndRaise:
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 = 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 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 = 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 = NULL;
activeceilings[i]->direction = 0; // in-stasis
rtn = 1;
}
return rtn;
}
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