mirror of
https://git.do.srb2.org/KartKrew/Kart-Public.git
synced 2024-12-29 13:51:24 +00:00
681 lines
19 KiB
C
681 lines
19 KiB
C
// SONIC ROBO BLAST 2
|
|
//-----------------------------------------------------------------------------
|
|
// Copyright (C) 1993-1996 by id Software, Inc.
|
|
// Copyright (C) 1998-2000 by DooM Legacy Team.
|
|
// Copyright (C) 1999-2016 by Sonic Team Junior.
|
|
//
|
|
// This program is free software distributed under the
|
|
// terms of the GNU General Public License, version 2.
|
|
// See the 'LICENSE' file for more details.
|
|
//-----------------------------------------------------------------------------
|
|
/// \file p_ceilng.c
|
|
/// \brief Ceiling aninmation (lowering, crushing, raising)
|
|
|
|
#include "doomdef.h"
|
|
#include "p_local.h"
|
|
#include "r_main.h"
|
|
#include "s_sound.h"
|
|
#include "z_zone.h"
|
|
#include "d_netcmd.h"
|
|
|
|
// ==========================================================================
|
|
// CEILINGS
|
|
// ==========================================================================
|
|
|
|
// the list of ceilings moving currently, including crushers
|
|
INT32 ceilmovesound = sfx_None;
|
|
|
|
/** Moves a moving ceiling.
|
|
*
|
|
* \param ceiling Thinker for the ceiling to be moved.
|
|
* \sa EV_DoCeiling
|
|
* \todo Split up into multiple functions.
|
|
*/
|
|
void T_MoveCeiling(ceiling_t *ceiling)
|
|
{
|
|
result_e res;
|
|
boolean dontupdate = false;
|
|
|
|
if (ceiling->delaytimer)
|
|
{
|
|
ceiling->delaytimer--;
|
|
return;
|
|
}
|
|
|
|
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 (ceiling->type == bounceCeiling)
|
|
{
|
|
const fixed_t origspeed = FixedDiv(ceiling->origspeed,(ELEVATORSPEED/2));
|
|
const fixed_t fs = abs(ceiling->sector->ceilingheight - lines[ceiling->texture].frontsector->ceilingheight);
|
|
const fixed_t bs = abs(ceiling->sector->ceilingheight - lines[ceiling->texture].backsector->ceilingheight);
|
|
if (fs < bs)
|
|
ceiling->speed = FixedDiv(fs,25*FRACUNIT) + FRACUNIT/4;
|
|
else
|
|
ceiling->speed = FixedDiv(bs,25*FRACUNIT) + FRACUNIT/4;
|
|
|
|
ceiling->speed = FixedMul(ceiling->speed,origspeed);
|
|
}
|
|
|
|
if (res == pastdest)
|
|
{
|
|
switch (ceiling->type)
|
|
{
|
|
case instantMoveCeilingByFrontSector:
|
|
ceiling->sector->ceilingpic = ceiling->texture;
|
|
ceiling->sector->ceilingdata = NULL;
|
|
ceiling->sector->ceilspeed = 0;
|
|
P_RemoveThinker(&ceiling->thinker);
|
|
dontupdate = true;
|
|
break;
|
|
case moveCeilingByFrontSector:
|
|
if (ceiling->texture < -1) // chained linedef executing
|
|
P_LinedefExecute((INT16)(ceiling->texture + INT16_MAX + 2), NULL, NULL);
|
|
if (ceiling->texture > -1) // flat changing
|
|
ceiling->sector->ceilingpic = ceiling->texture;
|
|
/* FALLTHRU */
|
|
case raiseToHighest:
|
|
// case raiseCeilingByLine:
|
|
case moveCeilingByFrontTexture:
|
|
ceiling->sector->ceilingdata = NULL;
|
|
ceiling->sector->ceilspeed = 0;
|
|
P_RemoveThinker(&ceiling->thinker);
|
|
dontupdate = true;
|
|
break;
|
|
|
|
case fastCrushAndRaise:
|
|
case crushAndRaise:
|
|
ceiling->direction = -1;
|
|
break;
|
|
|
|
case bounceCeiling:
|
|
{
|
|
fixed_t dest = ceiling->topheight;
|
|
|
|
if (dest == lines[ceiling->texture].frontsector->ceilingheight)
|
|
dest = lines[ceiling->texture].backsector->ceilingheight;
|
|
else
|
|
dest = lines[ceiling->texture].frontsector->ceilingheight;
|
|
|
|
if (dest < ceiling->sector->ceilingheight) // must move down
|
|
{
|
|
ceiling->direction = -1;
|
|
ceiling->bottomheight = dest;
|
|
}
|
|
else // must move up
|
|
{
|
|
ceiling->direction = 1;
|
|
ceiling->topheight = dest;
|
|
}
|
|
|
|
ceiling->delaytimer = ceiling->delay;
|
|
|
|
// That's it. Do not set dontupdate, do not remove the thinker.
|
|
break;
|
|
}
|
|
|
|
case bounceCeilingCrush:
|
|
{
|
|
fixed_t dest = ceiling->topheight;
|
|
|
|
if (dest == lines[ceiling->texture].frontsector->ceilingheight)
|
|
{
|
|
dest = lines[ceiling->texture].backsector->ceilingheight;
|
|
ceiling->speed = ceiling->origspeed = FixedDiv(abs(lines[ceiling->texture].dy),4*FRACUNIT); // return trip, use dy
|
|
}
|
|
else
|
|
{
|
|
dest = lines[ceiling->texture].frontsector->ceilingheight;
|
|
ceiling->speed = ceiling->origspeed = FixedDiv(abs(lines[ceiling->texture].dx),4*FRACUNIT); // going frontways, use dx
|
|
}
|
|
|
|
if (dest < ceiling->sector->ceilingheight) // must move down
|
|
{
|
|
ceiling->direction = -1;
|
|
ceiling->bottomheight = dest;
|
|
}
|
|
else // must move up
|
|
{
|
|
ceiling->direction = 1;
|
|
ceiling->topheight = dest;
|
|
}
|
|
|
|
ceiling->delaytimer = ceiling->delay;
|
|
|
|
// That's it. Do not set dontupdate, do not remove the thinker.
|
|
break;
|
|
}
|
|
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
break;
|
|
|
|
case -1: // DOWN
|
|
res = T_MovePlane(ceiling->sector, ceiling->speed, ceiling->bottomheight,
|
|
ceiling->crush, 1, ceiling->direction);
|
|
|
|
if (ceiling->type == bounceCeiling)
|
|
{
|
|
const fixed_t origspeed = FixedDiv(ceiling->origspeed,(ELEVATORSPEED/2));
|
|
const fixed_t fs = abs(ceiling->sector->ceilingheight - lines[ceiling->texture].frontsector->ceilingheight);
|
|
const fixed_t bs = abs(ceiling->sector->ceilingheight - lines[ceiling->texture].backsector->ceilingheight);
|
|
if (fs < bs)
|
|
ceiling->speed = FixedDiv(fs,25*FRACUNIT) + FRACUNIT/4;
|
|
else
|
|
ceiling->speed = FixedDiv(bs,25*FRACUNIT) + FRACUNIT/4;
|
|
ceiling->speed = FixedMul(ceiling->speed,origspeed);
|
|
}
|
|
|
|
if (res == pastdest)
|
|
{
|
|
switch (ceiling->type)
|
|
{
|
|
// make platform stop at bottom of all crusher strokes
|
|
// except generalized ones, reset speed, start back up
|
|
case crushAndRaise:
|
|
ceiling->speed = CEILSPEED;
|
|
/* FALLTHRU */
|
|
case fastCrushAndRaise:
|
|
ceiling->direction = 1;
|
|
break;
|
|
|
|
case instantMoveCeilingByFrontSector:
|
|
ceiling->sector->ceilingpic = ceiling->texture;
|
|
ceiling->sector->ceilingdata = NULL;
|
|
ceiling->sector->ceilspeed = 0;
|
|
P_RemoveThinker(&ceiling->thinker);
|
|
dontupdate = true;
|
|
break;
|
|
|
|
case moveCeilingByFrontSector:
|
|
if (ceiling->texture < -1) // chained linedef executing
|
|
P_LinedefExecute((INT16)(ceiling->texture + INT16_MAX + 2), NULL, NULL);
|
|
if (ceiling->texture > -1) // flat changing
|
|
ceiling->sector->ceilingpic = ceiling->texture;
|
|
// don't break
|
|
/* FALLTHRU */
|
|
|
|
// in all other cases, just remove the active ceiling
|
|
case lowerAndCrush:
|
|
case lowerToLowest:
|
|
case raiseToLowest:
|
|
// case lowerCeilingByLine:
|
|
case moveCeilingByFrontTexture:
|
|
ceiling->sector->ceilingdata = NULL;
|
|
ceiling->sector->ceilspeed = 0;
|
|
P_RemoveThinker(&ceiling->thinker);
|
|
dontupdate = true;
|
|
break;
|
|
case bounceCeiling:
|
|
{
|
|
fixed_t dest = ceiling->bottomheight;
|
|
|
|
if (dest == lines[ceiling->texture].frontsector->ceilingheight)
|
|
dest = lines[ceiling->texture].backsector->ceilingheight;
|
|
else
|
|
dest = lines[ceiling->texture].frontsector->ceilingheight;
|
|
|
|
if (dest < ceiling->sector->ceilingheight) // must move down
|
|
{
|
|
ceiling->direction = -1;
|
|
ceiling->bottomheight = dest;
|
|
}
|
|
else // must move up
|
|
{
|
|
ceiling->direction = 1;
|
|
ceiling->topheight = dest;
|
|
}
|
|
|
|
ceiling->delaytimer = ceiling->delay;
|
|
|
|
// That's it. Do not set dontupdate, do not remove the thinker.
|
|
break;
|
|
}
|
|
|
|
case bounceCeilingCrush:
|
|
{
|
|
fixed_t dest = ceiling->bottomheight;
|
|
|
|
if (dest == lines[ceiling->texture].frontsector->ceilingheight)
|
|
{
|
|
dest = lines[ceiling->texture].backsector->ceilingheight;
|
|
ceiling->speed = ceiling->origspeed = FixedDiv(abs(lines[ceiling->texture].dy),4*FRACUNIT); // return trip, use dy
|
|
}
|
|
else
|
|
{
|
|
dest = lines[ceiling->texture].frontsector->ceilingheight;
|
|
ceiling->speed = ceiling->origspeed = FixedDiv(abs(lines[ceiling->texture].dx),4*FRACUNIT); // going frontways, use dx
|
|
}
|
|
|
|
if (dest < ceiling->sector->ceilingheight) // must move down
|
|
{
|
|
ceiling->direction = -1;
|
|
ceiling->bottomheight = dest;
|
|
}
|
|
else // must move up
|
|
{
|
|
ceiling->direction = 1;
|
|
ceiling->topheight = dest;
|
|
}
|
|
|
|
ceiling->delaytimer = ceiling->delay;
|
|
|
|
// That's it. Do not set dontupdate, do not remove the thinker.
|
|
break;
|
|
}
|
|
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
else if (res == crushed)
|
|
{
|
|
switch (ceiling->type)
|
|
{
|
|
case crushAndRaise:
|
|
case lowerAndCrush:
|
|
ceiling->speed = FixedDiv(CEILSPEED,8*FRACUNIT);
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
if (!dontupdate)
|
|
ceiling->sector->ceilspeed = ceiling->speed*ceiling->direction;
|
|
else
|
|
ceiling->sector->ceilspeed = 0;
|
|
}
|
|
|
|
/** Moves a ceiling crusher.
|
|
*
|
|
* \param ceiling Thinker for the crusher to be moved.
|
|
* \sa EV_DoCrush
|
|
*/
|
|
void T_CrushCeiling(ceiling_t *ceiling)
|
|
{
|
|
result_e res;
|
|
|
|
switch (ceiling->direction)
|
|
{
|
|
case 0: // IN STASIS
|
|
break;
|
|
case 1: // UP
|
|
if (ceiling->type == crushBothOnce)
|
|
{
|
|
// Move the floor
|
|
T_MovePlane(ceiling->sector, ceiling->speed, ceiling->bottomheight-(ceiling->topheight-ceiling->bottomheight), false, 0, -ceiling->direction);
|
|
}
|
|
|
|
res = T_MovePlane(ceiling->sector, ceiling->speed, ceiling->topheight,
|
|
false, 1, ceiling->direction);
|
|
|
|
if (res == pastdest)
|
|
{
|
|
ceiling->direction = -1;
|
|
|
|
if (lines[ceiling->sourceline].flags & ML_EFFECT4)
|
|
ceiling->speed = ceiling->oldspeed;
|
|
else
|
|
ceiling->speed = ceiling->oldspeed*2;
|
|
|
|
if (ceiling->type == crushCeilOnce
|
|
|| ceiling->type == crushBothOnce)
|
|
{
|
|
// Remove
|
|
switch(ceiling->type)
|
|
{
|
|
case crushCeilOnce:
|
|
ceiling->sector->ceilspeed = 0;
|
|
ceiling->sector->ceilingdata = NULL;
|
|
break;
|
|
case crushBothOnce:
|
|
ceiling->sector->floorspeed = 0;
|
|
ceiling->sector->ceilspeed = 0;
|
|
ceiling->sector->ceilingdata = NULL;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
P_RemoveThinker(&ceiling->thinker);
|
|
return;
|
|
}
|
|
}
|
|
break;
|
|
|
|
case -1: // DOWN
|
|
if (ceiling->type == crushBothOnce)
|
|
{
|
|
// Move the floor
|
|
T_MovePlane(ceiling->sector, ceiling->speed, ceiling->bottomheight, ceiling->crush, 0, -ceiling->direction);
|
|
}
|
|
|
|
res = T_MovePlane(ceiling->sector, ceiling->speed, ceiling->bottomheight,
|
|
ceiling->crush, 1, ceiling->direction);
|
|
|
|
if (res == pastdest)
|
|
{
|
|
mobj_t *mp = (void *)&ceiling->sector->soundorg;
|
|
ceiling->sector->soundorg.z = ceiling->sector->floorheight;
|
|
S_StartSound(mp,sfx_pstop);
|
|
|
|
if (lines[ceiling->sourceline].flags & ML_EFFECT4)
|
|
ceiling->speed = ceiling->oldspeed;
|
|
else
|
|
ceiling->speed = ceiling->oldspeed/2;
|
|
|
|
ceiling->direction = 1;
|
|
}
|
|
break;
|
|
}
|
|
|
|
if (ceiling->type == crushBothOnce)
|
|
ceiling->sector->floorspeed = ceiling->speed*(-ceiling->direction);
|
|
|
|
ceiling->sector->ceilspeed = ceiling->speed*ceiling->direction;
|
|
}
|
|
|
|
/** Starts a ceiling mover.
|
|
*
|
|
* \param line The source line.
|
|
* \param type The type of ceiling movement.
|
|
* \return 1 if at least one ceiling mover was started, 0 otherwise.
|
|
* \sa EV_DoCrush, EV_DoFloor, EV_DoElevator, T_MoveCeiling
|
|
*/
|
|
INT32 EV_DoCeiling(line_t *line, ceiling_e type)
|
|
{
|
|
INT32 rtn = 0, firstone = 1;
|
|
INT32 secnum = -1;
|
|
sector_t *sec;
|
|
ceiling_t *ceiling;
|
|
|
|
while ((secnum = P_FindSectorFromLineTag(line,secnum)) >= 0)
|
|
{
|
|
sec = §ors[secnum];
|
|
|
|
if (sec->ceilingdata)
|
|
continue;
|
|
|
|
// new door thinker
|
|
rtn = 1;
|
|
ceiling = Z_Calloc(sizeof (*ceiling), PU_LEVSPEC, NULL);
|
|
P_AddThinker(&ceiling->thinker);
|
|
sec->ceilingdata = ceiling;
|
|
ceiling->thinker.function.acp1 = (actionf_p1)T_MoveCeiling;
|
|
ceiling->sector = sec;
|
|
ceiling->crush = false;
|
|
ceiling->sourceline = (INT32)(line-lines);
|
|
|
|
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;
|
|
/* FALLTHRU */
|
|
case lowerAndCrush:
|
|
ceiling->bottomheight = sec->floorheight;
|
|
ceiling->bottomheight += 4*FRACUNIT;
|
|
ceiling->direction = -1;
|
|
ceiling->speed = line->dx;
|
|
break;
|
|
|
|
case raiseToHighest:
|
|
ceiling->topheight = P_FindHighestCeilingSurrounding(sec);
|
|
ceiling->direction = 1;
|
|
ceiling->speed = CEILSPEED;
|
|
break;
|
|
|
|
//SoM: 3/6/2000: Added Boom types
|
|
case lowerToLowest:
|
|
ceiling->bottomheight = P_FindLowestCeilingSurrounding(sec);
|
|
ceiling->direction = -1;
|
|
ceiling->speed = CEILSPEED;
|
|
break;
|
|
|
|
case raiseToLowest: // Graue 09-07-2004
|
|
ceiling->topheight = P_FindLowestCeilingSurrounding(sec) - 4*FRACUNIT;
|
|
ceiling->direction = 1;
|
|
ceiling->speed = line->dx; // hack
|
|
break;
|
|
|
|
case lowerToLowestFast:
|
|
ceiling->bottomheight = P_FindLowestCeilingSurrounding(sec);
|
|
ceiling->direction = -1;
|
|
ceiling->speed = 4*FRACUNIT;
|
|
break;
|
|
|
|
case instantRaise:
|
|
ceiling->topheight = P_FindHighestCeilingSurrounding(sec);
|
|
ceiling->direction = 1;
|
|
ceiling->speed = INT32_MAX/2;
|
|
break;
|
|
|
|
// Linedef executor excellence
|
|
case moveCeilingByFrontSector:
|
|
ceiling->speed = P_AproxDistance(line->dx, line->dy);
|
|
ceiling->speed = FixedDiv(ceiling->speed,8*FRACUNIT);
|
|
if (line->frontsector->ceilingheight >= sec->ceilingheight) // Move up
|
|
{
|
|
ceiling->direction = 1;
|
|
ceiling->topheight = line->frontsector->ceilingheight;
|
|
}
|
|
else // Move down
|
|
{
|
|
ceiling->direction = -1;
|
|
ceiling->bottomheight = line->frontsector->ceilingheight;
|
|
}
|
|
|
|
// chained linedef executing ability
|
|
if (line->flags & ML_BLOCKMONSTERS)
|
|
{
|
|
// only set it on ONE of the moving sectors (the smallest numbered)
|
|
// and front side x offset must be positive
|
|
if (firstone && sides[line->sidenum[0]].textureoffset > 0)
|
|
ceiling->texture = (sides[line->sidenum[0]].textureoffset>>FRACBITS) - 32769;
|
|
else
|
|
ceiling->texture = -1;
|
|
}
|
|
|
|
// flat changing ability
|
|
else if (line->flags & ML_NOCLIMB)
|
|
ceiling->texture = line->frontsector->ceilingpic;
|
|
else
|
|
ceiling->texture = -1;
|
|
break;
|
|
|
|
// More linedef executor junk
|
|
case instantMoveCeilingByFrontSector:
|
|
ceiling->speed = INT32_MAX/2;
|
|
|
|
if (line->frontsector->ceilingheight >= sec->ceilingheight) // Move up
|
|
{
|
|
ceiling->direction = 1;
|
|
ceiling->topheight = line->frontsector->ceilingheight;
|
|
}
|
|
else // Move down
|
|
{
|
|
ceiling->direction = -1;
|
|
ceiling->bottomheight = line->frontsector->ceilingheight;
|
|
}
|
|
ceiling->texture = line->frontsector->ceilingpic;
|
|
break;
|
|
|
|
case moveCeilingByFrontTexture:
|
|
if (line->flags & ML_NOCLIMB)
|
|
ceiling->speed = INT32_MAX/2; // as above, "instant" is one tic
|
|
else
|
|
ceiling->speed = FixedDiv(sides[line->sidenum[0]].textureoffset,8*FRACUNIT); // texture x offset
|
|
if (sides[line->sidenum[0]].rowoffset > 0)
|
|
{
|
|
ceiling->direction = 1; // up
|
|
ceiling->topheight = sec->ceilingheight + sides[line->sidenum[0]].rowoffset; // texture y offset
|
|
}
|
|
else {
|
|
ceiling->direction = -1; // down
|
|
ceiling->bottomheight = sec->ceilingheight + sides[line->sidenum[0]].rowoffset; // texture y offset
|
|
}
|
|
break;
|
|
|
|
/*
|
|
case lowerCeilingByLine:
|
|
ceiling->speed = FixedDiv(abs(line->dx),8*FRACUNIT);
|
|
ceiling->direction = -1; // Move down
|
|
ceiling->bottomheight = sec->ceilingheight - abs(line->dy);
|
|
break;
|
|
|
|
case raiseCeilingByLine:
|
|
ceiling->speed = FixedDiv(abs(line->dx),8*FRACUNIT);
|
|
ceiling->direction = 1; // Move up
|
|
ceiling->topheight = sec->ceilingheight + abs(line->dy);
|
|
break;
|
|
*/
|
|
|
|
case bounceCeiling:
|
|
ceiling->speed = P_AproxDistance(line->dx, line->dy); // same speed as elevateContinuous
|
|
ceiling->speed = FixedDiv(ceiling->speed,4*FRACUNIT);
|
|
ceiling->origspeed = ceiling->speed;
|
|
if (line->frontsector->ceilingheight >= sec->ceilingheight) // Move up
|
|
{
|
|
ceiling->direction = 1;
|
|
ceiling->topheight = line->frontsector->ceilingheight;
|
|
}
|
|
else // Move down
|
|
{
|
|
ceiling->direction = -1;
|
|
ceiling->bottomheight = line->frontsector->ceilingheight;
|
|
}
|
|
|
|
// Any delay?
|
|
ceiling->delay = sides[line->sidenum[0]].textureoffset >> FRACBITS;
|
|
ceiling->delaytimer = sides[line->sidenum[0]].rowoffset >> FRACBITS; // Initial delay
|
|
|
|
ceiling->texture = (fixed_t)(line - lines); // hack: use texture to store sourceline number
|
|
break;
|
|
|
|
case bounceCeilingCrush:
|
|
ceiling->speed = abs(line->dx); // same speed as elevateContinuous
|
|
ceiling->speed = FixedDiv(ceiling->speed,4*FRACUNIT);
|
|
ceiling->origspeed = ceiling->speed;
|
|
if (line->frontsector->ceilingheight >= sec->ceilingheight) // Move up
|
|
{
|
|
ceiling->direction = 1;
|
|
ceiling->topheight = line->frontsector->ceilingheight;
|
|
}
|
|
else // Move down
|
|
{
|
|
ceiling->direction = -1;
|
|
ceiling->bottomheight = line->frontsector->ceilingheight;
|
|
}
|
|
|
|
// Any delay?
|
|
ceiling->delay = sides[line->sidenum[0]].textureoffset >> FRACBITS;
|
|
ceiling->delaytimer = sides[line->sidenum[0]].rowoffset >> FRACBITS; // Initial delay
|
|
|
|
ceiling->texture = (fixed_t)(line - lines); // hack: use texture to store sourceline number
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
|
|
}
|
|
|
|
ceiling->tag = sec->tag;
|
|
ceiling->type = type;
|
|
firstone = 0;
|
|
}
|
|
return rtn;
|
|
}
|
|
|
|
/** Starts a ceiling crusher.
|
|
*
|
|
* \param line The source line.
|
|
* \param type The type of ceiling, either ::crushAndRaise or
|
|
* ::fastCrushAndRaise.
|
|
* \return 1 if at least one crusher was started, 0 otherwise.
|
|
* \sa EV_DoCeiling, EV_DoFloor, EV_DoElevator, T_CrushCeiling
|
|
*/
|
|
INT32 EV_DoCrush(line_t *line, ceiling_e type)
|
|
{
|
|
INT32 rtn = 0;
|
|
INT32 secnum = -1;
|
|
sector_t *sec;
|
|
ceiling_t *ceiling;
|
|
|
|
while ((secnum = P_FindSectorFromLineTag(line,secnum)) >= 0)
|
|
{
|
|
sec = §ors[secnum];
|
|
|
|
if (sec->ceilingdata)
|
|
continue;
|
|
|
|
// new door thinker
|
|
rtn = 1;
|
|
ceiling = Z_Calloc(sizeof (*ceiling), PU_LEVSPEC, NULL);
|
|
P_AddThinker(&ceiling->thinker);
|
|
sec->ceilingdata = ceiling;
|
|
ceiling->thinker.function.acp1 = (actionf_p1)T_CrushCeiling;
|
|
ceiling->sector = sec;
|
|
ceiling->crush = true;
|
|
ceiling->sourceline = (INT32)(line-lines);
|
|
|
|
if (line->flags & ML_EFFECT4)
|
|
ceiling->oldspeed = FixedDiv(abs(line->dx),4*FRACUNIT);
|
|
else
|
|
ceiling->oldspeed = (R_PointToDist2(line->v2->x, line->v2->y, line->v1->x, line->v1->y)/16);
|
|
|
|
switch(type)
|
|
{
|
|
case fastCrushAndRaise: // Up and then down
|
|
ceiling->topheight = P_FindHighestCeilingSurrounding(sec);
|
|
ceiling->direction = 1;
|
|
ceiling->speed = ceiling->oldspeed;
|
|
ceiling->bottomheight = sec->floorheight + FRACUNIT;
|
|
break;
|
|
case crushBothOnce:
|
|
ceiling->topheight = sec->ceilingheight;
|
|
ceiling->bottomheight = sec->floorheight + (sec->ceilingheight-sec->floorheight)/2;
|
|
ceiling->direction = -1;
|
|
|
|
if (line->flags & ML_EFFECT4)
|
|
ceiling->speed = ceiling->oldspeed;
|
|
else
|
|
ceiling->speed = ceiling->oldspeed*2;
|
|
|
|
break;
|
|
case crushCeilOnce:
|
|
default: // Down and then up.
|
|
ceiling->topheight = sec->ceilingheight;
|
|
ceiling->direction = -1;
|
|
|
|
if (line->flags & ML_EFFECT4)
|
|
ceiling->speed = ceiling->oldspeed;
|
|
else
|
|
ceiling->speed = ceiling->oldspeed*2;
|
|
|
|
ceiling->bottomheight = sec->floorheight + FRACUNIT;
|
|
break;
|
|
}
|
|
|
|
ceiling->tag = sec->tag;
|
|
ceiling->type = type;
|
|
}
|
|
return rtn;
|
|
}
|