diff options
Diffstat (limited to 'src/doom/p_floor.c')
| -rw-r--r-- | src/doom/p_floor.c | 554 |
1 files changed, 554 insertions, 0 deletions
diff --git a/src/doom/p_floor.c b/src/doom/p_floor.c new file mode 100644 index 00000000..edeb44a1 --- /dev/null +++ b/src/doom/p_floor.c @@ -0,0 +1,554 @@ +// 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) + { + 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 + { + lastpos = sector->floorheight; + sector->floorheight -= speed; + flag = P_ChangeSector(sector,crush); + if (flag == true) + { + sector->floorheight = lastpos; + P_ChangeSector(sector,crush); + return crushed; + } + } + 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) + { + if (crush == true) + return crushed; + sector->floorheight = lastpos; + P_ChangeSector(sector,crush); + return crushed; + } + } + 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) + { + 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 + { + lastpos = sector->ceilingheight; + sector->ceilingheight += speed; + flag = P_ChangeSector(sector,crush); +// UNUSED +#if 0 + if (flag == true) + { + sector->ceilingheight = lastpos; + P_ChangeSector(sector,crush); + return crushed; + } +#endif + } + 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 +// +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 = §ors[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: + floor->direction = -1; + floor->sector = sec; + floor->speed = FLOORSPEED; + floor->floordestheight = + P_FindHighestFloorSurrounding(sec); + break; + + case lowerFloorToLowest: + floor->direction = -1; + floor->sector = sec; + floor->speed = FLOORSPEED; + floor->floordestheight = + P_FindLowestFloorSurrounding(sec); + break; + + case turboLower: + 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: + 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: + floor->direction = 1; + floor->sector = sec; + floor->speed = FLOORSPEED*4; + floor->floordestheight = + P_FindNextHighestFloor(sec,sec->floorheight); + break; + + case raiseFloorToNearest: + floor->direction = 1; + floor->sector = sec; + floor->speed = FLOORSPEED; + floor->floordestheight = + P_FindNextHighestFloor(sec,sec->floorheight); + break; + + case raiseFloor24: + floor->direction = 1; + floor->sector = sec; + floor->speed = FLOORSPEED; + floor->floordestheight = floor->sector->floorheight + + 24 * FRACUNIT; + break; + case raiseFloor512: + floor->direction = 1; + floor->sector = sec; + floor->speed = FLOORSPEED; + floor->floordestheight = floor->sector->floorheight + + 512 * FRACUNIT; + break; + + case raiseFloor24AndChange: + 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 raiseToTexture: + { + 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: + 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; + + fixed_t stairsize = 0; + fixed_t speed = 0; + + secnum = -1; + rtn = 0; + while ((secnum = P_FindSectorFromLineTag(line,secnum)) >= 0) + { + sec = §ors[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; + switch(type) + { + case build8: + speed = FLOORSPEED/4; + stairsize = 8*FRACUNIT; + break; + case turbo16: + speed = FLOORSPEED*4; + stairsize = 16*FRACUNIT; + break; + } + 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 = 1; + floor->sector = sec; + floor->speed = speed; + floor->floordestheight = height; + ok = 1; + break; + } + } while(ok); + } + return rtn; +} + |