ref: 792b3aaf4356381eabd6efa15f9ec48b953f5611
dir: /src/strife/p_floor.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: // 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 // // [STRIFE] Various changes were made to remove calls to P_ChangeSector when // P_ChangeSector returns true. // 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) { // haleyjd 20130210: Bug fix - Strife DOES do this. 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 = §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: // [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 = §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->tag = 0; // haleyjd 20140919: [STRIFE] clears tag of first stair sector sec->specialdata = floor; floor->thinker.function.acp1 = (actionf_p1) T_MoveFloor; floor->direction = direction; // haleyjd 20140919: bug fix: direction, not "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; }