summaryrefslogtreecommitdiff
path: root/src/strife/p_floor.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/strife/p_floor.c')
-rw-r--r--src/strife/p_floor.c587
1 files changed, 587 insertions, 0 deletions
diff --git a/src/strife/p_floor.c b/src/strife/p_floor.c
new file mode 100644
index 00000000..df966d28
--- /dev/null
+++ b/src/strife/p_floor.c
@@ -0,0 +1,587 @@
+// Emacs style mode select -*- C++ -*-
+//-----------------------------------------------------------------------------
+//
+// Copyright(C) 1993-1996 Id Software, Inc.
+// Copyright(C) 2005 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.
+//
+// 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.
+//
+// DESCRIPTION:
+// Floor animation: raising stairs.
+//
+//-----------------------------------------------------------------------------
+
+
+
+#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"
+
+
+//
+// FLOORS
+//
+
+//
+// Move a plane (floor or ceiling) and check for crushing
+//
+result_e
+T_MovePlane
+( sector_t* sector,
+ fixed_t speed,
+ fixed_t dest,
+ boolean crush,
+ int floorOrCeiling,
+ int direction )
+{
+ boolean flag;
+ fixed_t lastpos;
+
+ switch(floorOrCeiling)
+ {
+ case 0:
+ // FLOOR
+ switch(direction)
+ {
+ case -1:
+ // DOWN
+ if (sector->floorheight - speed < dest)
+ {
+ // villsa [STRIFE] unused
+ //lastpos = sector->floorheight;
+ sector->floorheight = dest;
+ flag = P_ChangeSector(sector,crush);
+
+ // villsa [STRIFE] unused
+ /*if (flag == true)
+ {
+ sector->floorheight =lastpos;
+ P_ChangeSector(sector,crush);
+ //return crushed;
+ }*/
+ return pastdest;
+ }
+ else
+ {
+ // villsa [STRIFE] unused
+ //lastpos = sector->floorheight;
+ sector->floorheight -= speed;
+ flag = P_ChangeSector(sector,crush);
+
+ // villsa [STRIFE] unused
+ /*if (flag == true)
+ {
+ sector->floorheight = lastpos;
+ P_ChangeSector(sector,crush);
+ return crushed;
+ }*/
+ return ok;
+ }
+ break;
+
+ case 1:
+ // UP
+ if (sector->floorheight + speed > dest)
+ {
+ lastpos = sector->floorheight;
+ sector->floorheight = dest;
+ flag = P_ChangeSector(sector,crush);
+ if (flag == true)
+ {
+ sector->floorheight = lastpos;
+ P_ChangeSector(sector,crush);
+ //return crushed;
+ }
+ return pastdest;
+ }
+ else
+ {
+ // COULD GET CRUSHED
+ lastpos = sector->floorheight;
+ sector->floorheight += speed;
+ flag = P_ChangeSector(sector,crush);
+ if (flag == true)
+ {
+ // villsa [STRIFE] unused
+ //if (crush == true)
+ //return crushed;
+ sector->floorheight = lastpos;
+ P_ChangeSector(sector,crush);
+ return crushed;
+ }
+ else
+ return ok;
+ }
+ break;
+ }
+ break;
+
+ case 1:
+ // CEILING
+ switch(direction)
+ {
+ case -1:
+ // DOWN
+ if (sector->ceilingheight - speed < dest)
+ {
+ lastpos = sector->ceilingheight;
+ sector->ceilingheight = dest;
+ flag = P_ChangeSector(sector,crush);
+
+ if (flag == true)
+ {
+ sector->ceilingheight = lastpos;
+ P_ChangeSector(sector,crush);
+ //return crushed;
+ }
+ return pastdest;
+ }
+ else
+ {
+ // COULD GET CRUSHED
+ lastpos = sector->ceilingheight;
+ sector->ceilingheight -= speed;
+ flag = P_ChangeSector(sector,crush);
+
+ if (flag == true)
+ {
+ if (crush == true)
+ return crushed;
+ sector->ceilingheight = lastpos;
+ P_ChangeSector(sector,crush);
+ return crushed;
+ }
+ }
+ break;
+
+ case 1:
+ // UP
+ if (sector->ceilingheight + speed > dest)
+ {
+ // villsa [STRIFE] unused
+ //lastpos = sector->ceilingheight;
+ sector->ceilingheight = dest;
+
+ // villsa [STRIFE] unused
+ //flag = P_ChangeSector(sector,crush);
+ /*if (flag == true)
+ {
+ sector->ceilingheight = lastpos;
+ P_ChangeSector(sector,crush);
+ //return crushed;
+ }*/
+ return pastdest;
+ }
+ else
+ {
+ // villsa [STRIFE] unused
+ //lastpos = sector->ceilingheight;
+ sector->ceilingheight += speed;
+
+ // villsa [STRIFE] unused
+ //flag = P_ChangeSector(sector,crush);
+ return ok;
+ }
+ break;
+ }
+ break;
+
+ }
+ return ok;
+}
+
+
+//
+// MOVE A FLOOR TO IT'S DESTINATION (UP OR DOWN)
+//
+void T_MoveFloor(floormove_t* floor)
+{
+ result_e res;
+
+ res = T_MovePlane(floor->sector,
+ floor->speed,
+ floor->floordestheight,
+ floor->crush,0,floor->direction);
+
+ if (!(leveltime&7))
+ S_StartSound(&floor->sector->soundorg, sfx_stnmov);
+
+ if (res == pastdest)
+ {
+ floor->sector->specialdata = NULL;
+
+ if (floor->direction == 1)
+ {
+ switch(floor->type)
+ {
+ case donutRaise:
+ floor->sector->special = floor->newspecial;
+ floor->sector->floorpic = floor->texture;
+ default:
+ break;
+ }
+ }
+ else if (floor->direction == -1)
+ {
+ switch(floor->type)
+ {
+ case lowerAndChange:
+ floor->sector->special = floor->newspecial;
+ floor->sector->floorpic = floor->texture;
+ default:
+ break;
+ }
+ }
+ P_RemoveThinker(&floor->thinker);
+
+ S_StartSound(&floor->sector->soundorg, sfx_pstop);
+ }
+
+}
+
+//
+// HANDLE FLOOR TYPES
+//
+// haleyjd 09/16/2010: [STRIFE] Modifications to floortypes:
+// * raiseFloor24 was changed into raiseFloor64
+// * turboLower does not appear to adjust the floor height (STRIFE-TODO: verify)
+// * raiseFloor512AndChange type was added.
+//
+int
+EV_DoFloor
+( line_t* line,
+ floor_e floortype )
+{
+ int secnum;
+ int rtn;
+ int i;
+ sector_t* sec;
+ floormove_t* floor;
+
+ secnum = -1;
+ rtn = 0;
+ while ((secnum = P_FindSectorFromLineTag(line,secnum)) >= 0)
+ {
+ sec = &sectors[secnum];
+
+ // ALREADY MOVING? IF SO, KEEP GOING...
+ if (sec->specialdata)
+ continue;
+
+ // new floor thinker
+ rtn = 1;
+ floor = Z_Malloc (sizeof(*floor), PU_LEVSPEC, 0);
+ P_AddThinker (&floor->thinker);
+ sec->specialdata = floor;
+ floor->thinker.function.acp1 = (actionf_p1) T_MoveFloor;
+ floor->type = floortype;
+ floor->crush = false;
+
+ switch(floortype)
+ {
+ case lowerFloor: // [STRIFE] verified unmodified
+ floor->direction = -1;
+ floor->sector = sec;
+ floor->speed = FLOORSPEED;
+ floor->floordestheight =
+ P_FindHighestFloorSurrounding(sec);
+ break;
+
+ case lowerFloorToLowest: // [STRIFE] verified unmodified
+ floor->direction = -1;
+ floor->sector = sec;
+ floor->speed = FLOORSPEED;
+ floor->floordestheight =
+ P_FindLowestFloorSurrounding(sec);
+ break;
+
+ case turboLower: // [STRIFE] Modified: does not += 8
+ floor->direction = -1;
+ floor->sector = sec;
+ floor->speed = FLOORSPEED * 4;
+ floor->floordestheight =
+ P_FindHighestFloorSurrounding(sec);
+ //if (floor->floordestheight != sec->floorheight)
+ // floor->floordestheight += 8*FRACUNIT;
+ break;
+
+ case raiseFloorCrush: // [STRIFE] verified unmodified
+ floor->crush = true;
+ case raiseFloor:
+ floor->direction = 1;
+ floor->sector = sec;
+ floor->speed = FLOORSPEED;
+ floor->floordestheight =
+ P_FindLowestCeilingSurrounding(sec);
+ if (floor->floordestheight > sec->ceilingheight)
+ floor->floordestheight = sec->ceilingheight;
+ floor->floordestheight -= (8*FRACUNIT)*
+ (floortype == raiseFloorCrush);
+ break;
+
+ case raiseFloorTurbo: // [STRIFE] verified unmodified
+ floor->direction = 1;
+ floor->sector = sec;
+ floor->speed = FLOORSPEED*4;
+ floor->floordestheight =
+ P_FindNextHighestFloor(sec,sec->floorheight);
+ break;
+
+ case raiseFloorToNearest: // [STRIFE] verified unmodified
+ floor->direction = 1;
+ floor->sector = sec;
+ floor->speed = FLOORSPEED;
+ floor->floordestheight =
+ P_FindNextHighestFloor(sec,sec->floorheight);
+ break;
+
+ case raiseFloor64: // [STRIFE] modified from raiseFloor24!
+ floor->direction = 1;
+ floor->sector = sec;
+ floor->speed = FLOORSPEED;
+ floor->floordestheight = floor->sector->floorheight +
+ 64 * FRACUNIT; // [STRIFE]
+ break;
+
+ case raiseFloor512: // [STRIFE] verified unmodified
+ floor->direction = 1;
+ floor->sector = sec;
+ floor->speed = FLOORSPEED;
+ floor->floordestheight = floor->sector->floorheight +
+ 512 * FRACUNIT;
+ break;
+
+ case raiseFloor24AndChange: // [STRIFE] verified unmodified
+ floor->direction = 1;
+ floor->sector = sec;
+ floor->speed = FLOORSPEED;
+ floor->floordestheight = floor->sector->floorheight +
+ 24 * FRACUNIT;
+ sec->floorpic = line->frontsector->floorpic;
+ sec->special = line->frontsector->special;
+ break;
+
+ case raiseFloor512AndChange: // [STRIFE] New floor type
+ floor->direction = 1;
+ floor->sector = sec;
+ floor->speed = FLOORSPEED;
+ floor->floordestheight = floor->sector->floorheight +
+ 512 * FRACUNIT;
+ sec->floorpic = line->frontsector->floorpic;
+ sec->special = line->frontsector->special;
+ break;
+
+ case raiseToTexture: // [STRIFE] verified unmodified
+ {
+ int minsize = INT_MAX;
+ side_t* side;
+
+ floor->direction = 1;
+ floor->sector = sec;
+ floor->speed = FLOORSPEED;
+ for (i = 0; i < sec->linecount; i++)
+ {
+ if (twoSided (secnum, i) )
+ {
+ side = getSide(secnum,i,0);
+ if (side->bottomtexture >= 0)
+ if (textureheight[side->bottomtexture] <
+ minsize)
+ minsize =
+ textureheight[side->bottomtexture];
+ side = getSide(secnum,i,1);
+ if (side->bottomtexture >= 0)
+ if (textureheight[side->bottomtexture] <
+ minsize)
+ minsize =
+ textureheight[side->bottomtexture];
+ }
+ }
+ floor->floordestheight =
+ floor->sector->floorheight + minsize;
+ }
+ break;
+
+ case lowerAndChange: // [STRIFE] verified unmodified
+ floor->direction = -1;
+ floor->sector = sec;
+ floor->speed = FLOORSPEED;
+ floor->floordestheight =
+ P_FindLowestFloorSurrounding(sec);
+ floor->texture = sec->floorpic;
+
+ for (i = 0; i < sec->linecount; i++)
+ {
+ if ( twoSided(secnum, i) )
+ {
+ if (getSide(secnum,i,0)->sector-sectors == secnum)
+ {
+ sec = getSector(secnum,i,1);
+
+ if (sec->floorheight == floor->floordestheight)
+ {
+ floor->texture = sec->floorpic;
+ floor->newspecial = sec->special;
+ break;
+ }
+ }
+ else
+ {
+ sec = getSector(secnum,i,0);
+
+ if (sec->floorheight == floor->floordestheight)
+ {
+ floor->texture = sec->floorpic;
+ floor->newspecial = sec->special;
+ break;
+ }
+ }
+ }
+ }
+ default:
+ break;
+ }
+ }
+ return rtn;
+}
+
+
+
+
+//
+// BUILD A STAIRCASE!
+//
+int
+EV_BuildStairs
+( line_t* line,
+ stair_e type )
+{
+ int secnum;
+ int height;
+ int i;
+ int newsecnum;
+ int texture;
+ int ok;
+ int rtn;
+
+ sector_t* sec;
+ sector_t* tsec;
+
+ floormove_t* floor;
+
+ // Either Watcom or Rogue moved the switch out of the loop below, probably
+ // because it was a loop invariant, and put the default values in the
+ // initializers here. I cannot be bothered to figure it out without doing
+ // this myself :P
+ fixed_t stairsize = 8*FRACUNIT;
+ fixed_t speed = FLOORSPEED;
+ int direction = 1;
+
+ switch(type)
+ {
+ case build8: // [STRIFE] Verified unmodified.
+ speed = FLOORSPEED/4;
+ break;
+ case turbo16: // [STRIFE] Verified unmodified.
+ speed = FLOORSPEED*4;
+ stairsize = 16*FRACUNIT;
+ break;
+ case buildDown16: // [STRIFE] New stair type
+ stairsize = -16*FRACUNIT;
+ direction = -1;
+ break;
+ }
+
+ secnum = -1;
+ rtn = 0;
+ while ((secnum = P_FindSectorFromLineTag(line,secnum)) >= 0)
+ {
+ sec = &sectors[secnum];
+
+ // ALREADY MOVING? IF SO, KEEP GOING...
+ if (sec->specialdata)
+ continue;
+
+ // new floor thinker
+ rtn = 1;
+ floor = Z_Malloc (sizeof(*floor), PU_LEVSPEC, 0);
+ P_AddThinker (&floor->thinker);
+ sec->specialdata = floor;
+ floor->thinker.function.acp1 = (actionf_p1) T_MoveFloor;
+ floor->direction = 1;
+ floor->sector = sec;
+ floor->speed = speed;
+ height = sec->floorheight + stairsize;
+ floor->floordestheight = height;
+
+ texture = sec->floorpic;
+
+ // Find next sector to raise
+ // 1. Find 2-sided line with same sector side[0]
+ // 2. Other side is the next sector to raise
+ do
+ {
+ ok = 0;
+ for (i = 0;i < sec->linecount;i++)
+ {
+ if ( !((sec->lines[i])->flags & ML_TWOSIDED) )
+ continue;
+
+ tsec = (sec->lines[i])->frontsector;
+ newsecnum = tsec-sectors;
+
+ if (secnum != newsecnum)
+ continue;
+
+ tsec = (sec->lines[i])->backsector;
+ newsecnum = tsec - sectors;
+
+ if (tsec->floorpic != texture)
+ continue;
+
+ height += stairsize;
+
+ if (tsec->specialdata)
+ continue;
+
+ sec = tsec;
+ secnum = newsecnum;
+ floor = Z_Malloc (sizeof(*floor), PU_LEVSPEC, 0);
+
+ P_AddThinker (&floor->thinker);
+
+ sec->specialdata = floor;
+ floor->thinker.function.acp1 = (actionf_p1) T_MoveFloor;
+ floor->direction = direction; // [STRIFE]: for buildDown16
+ floor->sector = sec;
+ floor->speed = speed;
+ floor->floordestheight = height;
+ ok = 1;
+ break;
+ }
+ } while(ok);
+ }
+ return rtn;
+}
+
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-03 18:09:49 +0000