ref: 6520134b41d12a7f061d9544e5c04e7ba15377b4
dir: /src/doom/p_doors.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: Door animation code (opening/closing)
//
#include "z_zone.h"
#include "doomdef.h"
#include "deh_main.h"
#include "p_local.h"
#include "i_system.h"
#include "s_sound.h"
// State.
#include "doomstat.h"
#include "r_state.h"
// Data.
#include "dstrings.h"
#include "sounds.h"
#if 0
//
// Sliding door frame information
//
slidename_t slideFrameNames[MAXSLIDEDOORS] =
{
{"GDOORF1","GDOORF2","GDOORF3","GDOORF4", // front
"GDOORB1","GDOORB2","GDOORB3","GDOORB4"}, // back
{"\0","\0","\0","\0"}
};
#endif
//
// VERTICAL DOORS
//
//
// T_VerticalDoor
//
void T_VerticalDoor (vldoor_t* door)
{
result_e res;
switch(door->direction)
{
case 0:
// WAITING
if (!--door->topcountdown)
{
switch(door->type)
{
case vld_blazeRaise:
door->direction = -1; // time to go back down
S_StartSound(&door->sector->soundorg, sfx_bdcls);
break;
case vld_normal:
door->direction = -1; // time to go back down
S_StartSound(&door->sector->soundorg, sfx_dorcls);
break;
case vld_close30ThenOpen:
door->direction = 1;
S_StartSound(&door->sector->soundorg, sfx_doropn);
break;
default:
break;
}
}
break;
case 2:
// INITIAL WAIT
if (!--door->topcountdown)
{
switch(door->type)
{
case vld_raiseIn5Mins:
door->direction = 1;
door->type = vld_normal;
S_StartSound(&door->sector->soundorg, sfx_doropn);
break;
default:
break;
}
}
break;
case -1:
// DOWN
res = T_MovePlane(door->sector,
door->speed,
door->sector->floorheight,
false,1,door->direction);
if (res == pastdest)
{
switch(door->type)
{
case vld_blazeRaise:
case vld_blazeClose:
door->sector->specialdata = NULL;
P_RemoveThinker (&door->thinker); // unlink and free
S_StartSound(&door->sector->soundorg, sfx_bdcls);
break;
case vld_normal:
case vld_close:
door->sector->specialdata = NULL;
P_RemoveThinker (&door->thinker); // unlink and free
break;
case vld_close30ThenOpen:
door->direction = 0;
door->topcountdown = TICRATE*30;
break;
default:
break;
}
}
else if (res == crushed)
{
switch(door->type)
{
case vld_blazeClose:
case vld_close: // DO NOT GO BACK UP!
break;
default:
door->direction = 1;
S_StartSound(&door->sector->soundorg, sfx_doropn);
break;
}
}
break;
case 1:
// UP
res = T_MovePlane(door->sector,
door->speed,
door->topheight,
false,1,door->direction);
if (res == pastdest)
{
switch(door->type)
{
case vld_blazeRaise:
case vld_normal:
door->direction = 0; // wait at top
door->topcountdown = door->topwait;
break;
case vld_close30ThenOpen:
case vld_blazeOpen:
case vld_open:
door->sector->specialdata = NULL;
P_RemoveThinker (&door->thinker); // unlink and free
break;
default:
break;
}
}
break;
}
}
//
// EV_DoLockedDoor
// Move a locked door up/down
//
int
EV_DoLockedDoor
( line_t* line,
vldoor_e type,
mobj_t* thing )
{
player_t* p;
p = thing->player;
if (!p)
return 0;
switch(line->special)
{
case 99: // Blue Lock
case 133:
if (!p->cards[it_bluecard] && !p->cards[it_blueskull])
{
p->message = DEH_String(PD_BLUEO);
S_StartSound(NULL,sfx_oof);
return 0;
}
break;
case 134: // Red Lock
case 135:
if (!p->cards[it_redcard] && !p->cards[it_redskull])
{
p->message = DEH_String(PD_REDO);
S_StartSound(NULL,sfx_oof);
return 0;
}
break;
case 136: // Yellow Lock
case 137:
if (!p->cards[it_yellowcard] &&
!p->cards[it_yellowskull])
{
p->message = DEH_String(PD_YELLOWO);
S_StartSound(NULL,sfx_oof);
return 0;
}
break;
}
return EV_DoDoor(line,type);
}
int
EV_DoDoor
( line_t* line,
vldoor_e type )
{
int secnum,rtn;
sector_t* sec;
vldoor_t* door;
secnum = -1;
rtn = 0;
while ((secnum = P_FindSectorFromLineTag(line,secnum)) >= 0)
{
sec = §ors[secnum];
if (sec->specialdata)
continue;
// new door thinker
rtn = 1;
door = Z_Malloc (sizeof(*door), PU_LEVSPEC, 0);
P_AddThinker (&door->thinker);
sec->specialdata = door;
door->thinker.function.acp1 = (actionf_p1) T_VerticalDoor;
door->sector = sec;
door->type = type;
door->topwait = VDOORWAIT;
door->speed = VDOORSPEED;
switch(type)
{
case vld_blazeClose:
door->topheight = P_FindLowestCeilingSurrounding(sec);
door->topheight -= 4*FRACUNIT;
door->direction = -1;
door->speed = VDOORSPEED * 4;
S_StartSound(&door->sector->soundorg, sfx_bdcls);
break;
case vld_close:
door->topheight = P_FindLowestCeilingSurrounding(sec);
door->topheight -= 4*FRACUNIT;
door->direction = -1;
S_StartSound(&door->sector->soundorg, sfx_dorcls);
break;
case vld_close30ThenOpen:
door->topheight = sec->ceilingheight;
door->direction = -1;
S_StartSound(&door->sector->soundorg, sfx_dorcls);
break;
case vld_blazeRaise:
case vld_blazeOpen:
door->direction = 1;
door->topheight = P_FindLowestCeilingSurrounding(sec);
door->topheight -= 4*FRACUNIT;
door->speed = VDOORSPEED * 4;
if (door->topheight != sec->ceilingheight)
S_StartSound(&door->sector->soundorg, sfx_bdopn);
break;
case vld_normal:
case vld_open:
door->direction = 1;
door->topheight = P_FindLowestCeilingSurrounding(sec);
door->topheight -= 4*FRACUNIT;
if (door->topheight != sec->ceilingheight)
S_StartSound(&door->sector->soundorg, sfx_doropn);
break;
default:
break;
}
}
return rtn;
}
//
// EV_VerticalDoor : open a door manually, no tag value
//
void
EV_VerticalDoor
( line_t* line,
mobj_t* thing )
{
player_t* player;
sector_t* sec;
vldoor_t* door;
int side;
side = 0; // only front sides can be used
// Check for locks
player = thing->player;
switch(line->special)
{
case 26: // Blue Lock
case 32:
if ( !player )
return;
if (!player->cards[it_bluecard] && !player->cards[it_blueskull])
{
player->message = DEH_String(PD_BLUEK);
S_StartSound(NULL,sfx_oof);
return;
}
break;
case 27: // Yellow Lock
case 34:
if ( !player )
return;
if (!player->cards[it_yellowcard] &&
!player->cards[it_yellowskull])
{
player->message = DEH_String(PD_YELLOWK);
S_StartSound(NULL,sfx_oof);
return;
}
break;
case 28: // Red Lock
case 33:
if ( !player )
return;
if (!player->cards[it_redcard] && !player->cards[it_redskull])
{
player->message = DEH_String(PD_REDK);
S_StartSound(NULL,sfx_oof);
return;
}
break;
}
// if the sector has an active thinker, use it
if (line->sidenum[side^1] == -1)
{
I_Error("EV_VerticalDoor: DR special type on 1-sided linedef");
}
sec = sides[ line->sidenum[side^1]] .sector;
if (sec->specialdata)
{
door = sec->specialdata;
switch(line->special)
{
case 1: // ONLY FOR "RAISE" DOORS, NOT "OPEN"s
case 26:
case 27:
case 28:
case 117:
if (door->direction == -1)
door->direction = 1; // go back up
else
{
if (!thing->player)
return; // JDC: bad guys never close doors
// When is a door not a door?
// In Vanilla, door->direction is set, even though
// "specialdata" might not actually point at a door.
if (door->thinker.function.acp1 == (actionf_p1) T_VerticalDoor)
{
door->direction = -1; // start going down immediately
}
else if (door->thinker.function.acp1 == (actionf_p1) T_PlatRaise)
{
// Erm, this is a plat, not a door.
// This notably causes a problem in ep1-0500.lmp where
// a plat and a door are cross-referenced; the door
// doesn't open on 64-bit.
// The direction field in vldoor_t corresponds to the wait
// field in plat_t. Let's set that to -1 instead.
plat_t *plat;
plat = (plat_t *) door;
plat->wait = -1;
}
else
{
// This isn't a door OR a plat. Now we're in trouble.
fprintf(stderr, "EV_VerticalDoor: Tried to close "
"something that wasn't a door.\n");
// Try closing it anyway. At least it will work on 32-bit
// machines.
door->direction = -1;
}
}
return;
}
}
// for proper sound
switch(line->special)
{
case 117: // BLAZING DOOR RAISE
case 118: // BLAZING DOOR OPEN
S_StartSound(&sec->soundorg,sfx_bdopn);
break;
case 1: // NORMAL DOOR SOUND
case 31:
S_StartSound(&sec->soundorg,sfx_doropn);
break;
default: // LOCKED DOOR SOUND
S_StartSound(&sec->soundorg,sfx_doropn);
break;
}
// new door thinker
door = Z_Malloc (sizeof(*door), PU_LEVSPEC, 0);
P_AddThinker (&door->thinker);
sec->specialdata = door;
door->thinker.function.acp1 = (actionf_p1) T_VerticalDoor;
door->sector = sec;
door->direction = 1;
door->speed = VDOORSPEED;
door->topwait = VDOORWAIT;
switch(line->special)
{
case 1:
case 26:
case 27:
case 28:
door->type = vld_normal;
break;
case 31:
case 32:
case 33:
case 34:
door->type = vld_open;
line->special = 0;
break;
case 117: // blazing door raise
door->type = vld_blazeRaise;
door->speed = VDOORSPEED*4;
break;
case 118: // blazing door open
door->type = vld_blazeOpen;
line->special = 0;
door->speed = VDOORSPEED*4;
break;
}
// find the top and bottom of the movement range
door->topheight = P_FindLowestCeilingSurrounding(sec);
door->topheight -= 4*FRACUNIT;
}
//
// Spawn a door that closes after 30 seconds
//
void P_SpawnDoorCloseIn30 (sector_t* sec)
{
vldoor_t* door;
door = Z_Malloc ( sizeof(*door), PU_LEVSPEC, 0);
P_AddThinker (&door->thinker);
sec->specialdata = door;
sec->special = 0;
door->thinker.function.acp1 = (actionf_p1)T_VerticalDoor;
door->sector = sec;
door->direction = 0;
door->type = vld_normal;
door->speed = VDOORSPEED;
door->topcountdown = 30 * TICRATE;
}
//
// Spawn a door that opens after 5 minutes
//
void
P_SpawnDoorRaiseIn5Mins
( sector_t* sec,
int secnum )
{
vldoor_t* door;
door = Z_Malloc ( sizeof(*door), PU_LEVSPEC, 0);
P_AddThinker (&door->thinker);
sec->specialdata = door;
sec->special = 0;
door->thinker.function.acp1 = (actionf_p1)T_VerticalDoor;
door->sector = sec;
door->direction = 2;
door->type = vld_raiseIn5Mins;
door->speed = VDOORSPEED;
door->topheight = P_FindLowestCeilingSurrounding(sec);
door->topheight -= 4*FRACUNIT;
door->topwait = VDOORWAIT;
door->topcountdown = 5 * 60 * TICRATE;
}
// UNUSED
// Separate into p_slidoor.c?
#if 0 // ABANDONED TO THE MISTS OF TIME!!!
//
// EV_SlidingDoor : slide a door horizontally
// (animate midtexture, then set noblocking line)
//
slideframe_t slideFrames[MAXSLIDEDOORS];
void P_InitSlidingDoorFrames(void)
{
int i;
int f1;
int f2;
int f3;
int f4;
// DOOM II ONLY...
if ( gamemode != commercial)
return;
for (i = 0;i < MAXSLIDEDOORS; i++)
{
if (!slideFrameNames[i].frontFrame1[0])
break;
f1 = R_TextureNumForName(slideFrameNames[i].frontFrame1);
f2 = R_TextureNumForName(slideFrameNames[i].frontFrame2);
f3 = R_TextureNumForName(slideFrameNames[i].frontFrame3);
f4 = R_TextureNumForName(slideFrameNames[i].frontFrame4);
slideFrames[i].frontFrames[0] = f1;
slideFrames[i].frontFrames[1] = f2;
slideFrames[i].frontFrames[2] = f3;
slideFrames[i].frontFrames[3] = f4;
f1 = R_TextureNumForName(slideFrameNames[i].backFrame1);
f2 = R_TextureNumForName(slideFrameNames[i].backFrame2);
f3 = R_TextureNumForName(slideFrameNames[i].backFrame3);
f4 = R_TextureNumForName(slideFrameNames[i].backFrame4);
slideFrames[i].backFrames[0] = f1;
slideFrames[i].backFrames[1] = f2;
slideFrames[i].backFrames[2] = f3;
slideFrames[i].backFrames[3] = f4;
}
}
//
// Return index into "slideFrames" array
// for which door type to use
//
int P_FindSlidingDoorType(line_t* line)
{
int i;
int val;
for (i = 0;i < MAXSLIDEDOORS;i++)
{
val = sides[line->sidenum[0]].midtexture;
if (val == slideFrames[i].frontFrames[0])
return i;
}
return -1;
}
void T_SlidingDoor (slidedoor_t* door)
{
switch(door->status)
{
case sd_opening:
if (!door->timer--)
{
if (++door->frame == SNUMFRAMES)
{
// IF DOOR IS DONE OPENING...
sides[door->line->sidenum[0]].midtexture = 0;
sides[door->line->sidenum[1]].midtexture = 0;
door->line->flags &= ML_BLOCKING^0xff;
if (door->type == sdt_openOnly)
{
door->frontsector->specialdata = NULL;
P_RemoveThinker (&door->thinker);
break;
}
door->timer = SDOORWAIT;
door->status = sd_waiting;
}
else
{
// IF DOOR NEEDS TO ANIMATE TO NEXT FRAME...
door->timer = SWAITTICS;
sides[door->line->sidenum[0]].midtexture =
slideFrames[door->whichDoorIndex].
frontFrames[door->frame];
sides[door->line->sidenum[1]].midtexture =
slideFrames[door->whichDoorIndex].
backFrames[door->frame];
}
}
break;
case sd_waiting:
// IF DOOR IS DONE WAITING...
if (!door->timer--)
{
// CAN DOOR CLOSE?
if (door->frontsector->thinglist != NULL ||
door->backsector->thinglist != NULL)
{
door->timer = SDOORWAIT;
break;
}
//door->frame = SNUMFRAMES-1;
door->status = sd_closing;
door->timer = SWAITTICS;
}
break;
case sd_closing:
if (!door->timer--)
{
if (--door->frame < 0)
{
// IF DOOR IS DONE CLOSING...
door->line->flags |= ML_BLOCKING;
door->frontsector->specialdata = NULL;
P_RemoveThinker (&door->thinker);
break;
}
else
{
// IF DOOR NEEDS TO ANIMATE TO NEXT FRAME...
door->timer = SWAITTICS;
sides[door->line->sidenum[0]].midtexture =
slideFrames[door->whichDoorIndex].
frontFrames[door->frame];
sides[door->line->sidenum[1]].midtexture =
slideFrames[door->whichDoorIndex].
backFrames[door->frame];
}
}
break;
}
}
void
EV_SlidingDoor
( line_t* line,
mobj_t* thing )
{
sector_t* sec;
slidedoor_t* door;
// DOOM II ONLY...
if (gamemode != commercial)
return;
// Make sure door isn't already being animated
sec = line->frontsector;
door = NULL;
if (sec->specialdata)
{
if (!thing->player)
return;
door = sec->specialdata;
if (door->type == sdt_openAndClose)
{
if (door->status == sd_waiting)
door->status = sd_closing;
}
else
return;
}
// Init sliding door vars
if (!door)
{
door = Z_Malloc (sizeof(*door), PU_LEVSPEC, 0);
P_AddThinker (&door->thinker);
sec->specialdata = door;
door->type = sdt_openAndClose;
door->status = sd_opening;
door->whichDoorIndex = P_FindSlidingDoorType(line);
if (door->whichDoorIndex < 0)
I_Error("EV_SlidingDoor: Can't use texture for sliding door!");
door->frontsector = sec;
door->backsector = line->backsector;
door->thinker.function = T_SlidingDoor;
door->timer = SWAITTICS;
door->frame = 0;
door->line = line;
}
}
#endif