ref: a423cc98103a27d7cae7a3a4d110f9600b4df365
dir: /src/doom/p_ceilng.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: Ceiling aninmation (lowering, crushing, raising) // #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" // // 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)) { switch(ceiling->type) { case silentCrushAndRaise: break; default: S_StartSound(&ceiling->sector->soundorg, sfx_stnmov); // ? break; } } if (res == pastdest) { switch(ceiling->type) { case raiseToHighest: P_RemoveActiveCeiling(ceiling); break; case silentCrushAndRaise: S_StartSound(&ceiling->sector->soundorg, sfx_pstop); 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)) { switch(ceiling->type) { case silentCrushAndRaise: break; default: S_StartSound(&ceiling->sector->soundorg, sfx_stnmov); } } if (res == pastdest) { switch(ceiling->type) { case silentCrushAndRaise: S_StartSound(&ceiling->sector->soundorg, sfx_pstop); case crushAndRaise: ceiling->speed = CEILSPEED; case fastCrushAndRaise: ceiling->direction = 1; break; case lowerAndCrush: case lowerToFloor: P_RemoveActiveCeiling(ceiling); break; default: break; } } else // ( res != pastdest ) { if (res == crushed) { switch(ceiling->type) { case silentCrushAndRaise: 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; int rtn; sector_t* sec; ceiling_t* ceiling; secnum = -1; rtn = 0; // Reactivate in-stasis ceilings...for certain types. switch(type) { case fastCrushAndRaise: case silentCrushAndRaise: 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.acp1 = (actionf_p1)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 silentCrushAndRaise: 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.acp1 = (actionf_p1)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.acv = (actionf_v)NULL; activeceilings[i]->direction = 0; // in-stasis rtn = 1; } } return rtn; }