qzdoom-gpl/src/p_doors.cpp

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// Emacs style mode select -*- C++ -*-
//-----------------------------------------------------------------------------
//
// $Id:$
//
// Copyright (C) 1993-1996 by id Software, Inc.
//
// This source is available for distribution and/or modification
// only under the terms of the DOOM Source Code License as
// published by id Software. All rights reserved.
//
// The source is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// FITNESS FOR A PARTICULAR PURPOSE. See the DOOM Source Code License
// for more details.
//
// $Log:$
//
// DESCRIPTION: Door animation code (opening/closing)
// [RH] Removed sliding door code and simplified for Hexen-ish specials
//
//-----------------------------------------------------------------------------
#include "doomdef.h"
#include "p_local.h"
#include "s_sound.h"
#include "s_sndseq.h"
#include "doomstat.h"
#include "r_state.h"
#include "c_console.h"
#include "gi.h"
#include "a_keys.h"
#include "i_system.h"
#include "sc_man.h"
#include "cmdlib.h"
#include "farchive.h"
#include "d_player.h"
#include "p_spec.h"
//============================================================================
//
// VERTICAL DOORS
//
//============================================================================
IMPLEMENT_CLASS (DDoor)
inline FArchive &operator<< (FArchive &arc, DDoor::EVlDoor &type)
{
BYTE val = (BYTE)type;
arc << val;
type = (DDoor::EVlDoor)val;
return arc;
}
DDoor::DDoor ()
{
}
void DDoor::Serialize (FArchive &arc)
{
Super::Serialize (arc);
arc << m_Type
<< m_TopDist
<< m_BotSpot << m_BotDist << m_OldFloorDist
<< m_Speed
<< m_Direction
<< m_TopWait
<< m_TopCountdown
<< m_LightTag;
}
//============================================================================
//
// T_VerticalDoor
//
//============================================================================
void DDoor::Tick ()
{
EResult res;
// Adjust bottom height - but only if there isn't an active lift attached to the floor.
if (m_Sector->floorplane.fD() != m_OldFloorDist)
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{
if (!m_Sector->floordata || !m_Sector->floordata->IsKindOf(RUNTIME_CLASS(DPlat)) ||
!(barrier_cast<DPlat*>(m_Sector->floordata))->IsLift())
{
m_OldFloorDist = m_Sector->floorplane.fD();
m_BotDist = m_Sector->ceilingplane.PointToDist (m_BotSpot, m_Sector->floorplane.ZatPoint (m_BotSpot));
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}
}
switch (m_Direction)
{
case 0:
// WAITING
if (!--m_TopCountdown)
{
switch (m_Type)
{
case doorRaise:
m_Direction = -1; // time to go back down
DoorSound (false);
break;
case doorCloseWaitOpen:
m_Direction = 1;
DoorSound (true);
break;
default:
break;
}
}
break;
case 2:
// INITIAL WAIT
if (!--m_TopCountdown)
{
switch (m_Type)
{
case doorWaitRaise:
m_Direction = 1;
m_Type = doorRaise;
DoorSound (true);
break;
default:
break;
}
}
break;
case -1:
// DOWN
res = MoveCeiling (m_Speed, m_BotDist, -1, m_Direction, false);
// killough 10/98: implement gradual lighting effects
if (m_LightTag != 0 && m_TopDist != -m_Sector->floorplane.fD())
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{
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EV_LightTurnOnPartway (m_LightTag,
(m_Sector->ceilingplane.fD() + m_Sector->floorplane.fD()) / (m_TopDist + m_Sector->floorplane.fD()));
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}
if (res == pastdest)
{
SN_StopSequence (m_Sector, CHAN_CEILING);
switch (m_Type)
{
case doorRaise:
case doorClose:
m_Sector->ceilingdata = NULL; //jff 2/22/98
Destroy (); // unlink and free
break;
case doorCloseWaitOpen:
m_Direction = 0;
m_TopCountdown = m_TopWait;
break;
default:
break;
}
}
else if (res == crushed)
{
switch (m_Type)
{
case doorClose: // DO NOT GO BACK UP!
break;
default:
m_Direction = 1;
DoorSound (true);
break;
}
}
break;
case 1:
// UP
res = MoveCeiling (m_Speed, m_TopDist, -1, m_Direction, false);
// killough 10/98: implement gradual lighting effects
if (m_LightTag != 0 && m_TopDist != -m_Sector->floorplane.fD())
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{
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EV_LightTurnOnPartway (m_LightTag,
(m_Sector->ceilingplane.fD() + m_Sector->floorplane.fD()) / (m_TopDist + m_Sector->floorplane.fD()));
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}
if (res == pastdest)
{
SN_StopSequence (m_Sector, CHAN_CEILING);
switch (m_Type)
{
case doorRaise:
m_Direction = 0; // wait at top
m_TopCountdown = m_TopWait;
break;
case doorCloseWaitOpen:
case doorOpen:
m_Sector->ceilingdata = NULL; //jff 2/22/98
Destroy (); // unlink and free
break;
default:
break;
}
}
else if (res == crushed)
{
switch (m_Type)
{
case doorRaise:
case doorWaitRaise:
m_Direction = -1;
DoorSound(false);
break;
default:
break;
}
}
break;
}
}
//============================================================================
//
// [RH] DoorSound: Plays door sound depending on direction and speed
//
// If curseq is non-NULL, then it will check if the desired sound sequence
// will result in a different command stream than the current one. If not,
// then it does nothing.
//
//============================================================================
void DDoor::DoorSound(bool raise, DSeqNode *curseq) const
{
int choice;
// For multiple-selection sound sequences, the following choices are used:
// 0 Opening
// 1 Closing
// 2 Opening fast
// 3 Closing fast
choice = !raise;
if (m_Sector->Flags & SECF_SILENTMOVE) return;
if (m_Speed >= FRACUNIT*8)
{
choice += 2;
}
if (m_Sector->seqType >= 0)
{
if (curseq == NULL || !SN_AreModesSame(m_Sector->seqType, SEQ_DOOR, choice, curseq->GetModeNum()))
{
SN_StartSequence(m_Sector, CHAN_CEILING, m_Sector->seqType, SEQ_DOOR, choice);
}
}
else if (m_Sector->SeqName != NAME_None)
{
if (curseq == NULL || !SN_AreModesSame(m_Sector->SeqName, choice, curseq->GetModeNum()))
{
SN_StartSequence(m_Sector, CHAN_CEILING, m_Sector->SeqName, choice);
}
}
else
{
const char *snd;
switch (gameinfo.gametype)
{
default: /* Doom and Hexen */
snd = "DoorNormal";
break;
case GAME_Heretic:
snd = "HereticDoor";
break;
case GAME_Strife:
snd = "DoorSmallMetal";
// Search the front top textures of 2-sided lines on the door sector
// for a door sound to use.
for (int i = 0; i < m_Sector->linecount; ++i)
{
const char *texname;
line_t *line = m_Sector->lines[i];
if (line->backsector == NULL)
continue;
FTexture *tex = TexMan[line->sidedef[0]->GetTexture(side_t::top)];
texname = tex ? tex->Name.GetChars() : NULL;
if (texname != NULL && texname[0] == 'D' && texname[1] == 'O' && texname[2] == 'R')
{
switch (texname[3])
{
case 'S':
snd = "DoorStone";
break;
case 'M':
if (texname[4] == 'L')
{
snd = "DoorLargeMetal";
}
break;
case 'W':
if (texname[4] == 'L')
{
snd = "DoorLargeWood";
}
else
{
snd = "DoorSmallWood";
}
break;
}
}
}
break;
}
if (curseq == NULL || !SN_AreModesSame(snd, choice, curseq->GetModeNum()))
{
SN_StartSequence(m_Sector, CHAN_CEILING, snd, choice);
}
}
}
DDoor::DDoor (sector_t *sector)
: DMovingCeiling (sector)
{
}
//============================================================================
//
// [RH] SpawnDoor: Helper function for EV_DoDoor
//
//============================================================================
DDoor::DDoor (sector_t *sec, EVlDoor type, double speed, int delay, int lightTag, int topcountdown)
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: DMovingCeiling (sec),
m_Type (type), m_Speed (speed), m_TopWait (delay), m_TopCountdown(topcountdown), m_LightTag (lightTag)
{
vertex_t *spot;
double height;
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if (i_compatflags & COMPATF_NODOORLIGHT)
{
m_LightTag = 0;
}
switch (type)
{
case doorClose:
m_Direction = -1;
height = sec->FindLowestCeilingSurrounding (&spot);
m_TopDist = sec->ceilingplane.PointToDist (spot, height - 4);
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DoorSound (false);
break;
case doorOpen:
case doorRaise:
m_Direction = 1;
height = sec->FindLowestCeilingSurrounding (&spot);
m_TopDist = sec->ceilingplane.PointToDist (spot, height - 4);
if (m_TopDist != sec->ceilingplane.fD())
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DoorSound (true);
break;
case doorCloseWaitOpen:
m_TopDist = sec->ceilingplane.fD();
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m_Direction = -1;
DoorSound (false);
break;
case doorWaitRaise:
m_Direction = 2;
height = sec->FindLowestCeilingSurrounding (&spot);
m_TopDist = sec->ceilingplane.PointToDist (spot, height - 4);
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break;
case doorWaitClose:
m_Direction = 0;
m_Type = DDoor::doorRaise;
height = sec->FindHighestFloorPoint (&m_BotSpot);
m_BotDist = sec->ceilingplane.PointToDist (m_BotSpot, height);
m_OldFloorDist = sec->floorplane.fD();
m_TopDist = sec->ceilingplane.fD();
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break;
}
if (!m_Sector->floordata || !m_Sector->floordata->IsKindOf(RUNTIME_CLASS(DPlat)) ||
!(barrier_cast<DPlat*>(m_Sector->floordata))->IsLift())
{
height = sec->FindHighestFloorPoint (&m_BotSpot);
m_BotDist = sec->ceilingplane.PointToDist (m_BotSpot, height);
}
else
{
height = sec->FindLowestCeilingPoint(&m_BotSpot);
m_BotDist = sec->ceilingplane.PointToDist (m_BotSpot, height);
}
m_OldFloorDist = sec->floorplane.fD();
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}
//============================================================================
//
// [RH] Merged EV_VerticalDoor and EV_DoLockedDoor into EV_DoDoor
// and made them more general to support the new specials.
//
//============================================================================
bool EV_DoDoor (DDoor::EVlDoor type, line_t *line, AActor *thing,
int tag, double speed, int delay, int lock, int lightTag, bool boomgen, int topcountdown)
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{
bool rtn = false;
int secnum;
sector_t* sec;
if (lock != 0 && !P_CheckKeys (thing, lock, tag != 0))
return false;
if (tag == 0)
{ // [RH] manual door
if (!line)
return false;
// if the wrong side of door is pushed, give oof sound
if (line->sidedef[1] == NULL) // killough
{
S_Sound (thing, CHAN_VOICE, "*usefail", 1, ATTN_NORM);
return false;
}
// get the sector on the second side of activating linedef
sec = line->sidedef[1]->sector;
secnum = int(sec-sectors);
// if door already has a thinker, use it
if (sec->PlaneMoving(sector_t::ceiling))
{
// Boom used remote door logic for generalized doors, even if they are manual
if (boomgen)
return false;
if (sec->ceilingdata->IsKindOf (RUNTIME_CLASS(DDoor)))
{
DDoor *door = barrier_cast<DDoor *>(sec->ceilingdata);
// ONLY FOR "RAISE" DOORS, NOT "OPEN"s
if (door->m_Type == DDoor::doorRaise && type == DDoor::doorRaise)
{
if (door->m_Direction == -1)
{
door->m_Direction = 1; // go back up
door->DoorSound (true); // [RH] Make noise
}
else if (!(line->activation & (SPAC_Push|SPAC_MPush)))
// [RH] activate push doors don't go back down when you
// run into them (otherwise opening them would be
// a real pain).
{
if (!thing->player || thing->player->Bot != NULL)
return false; // JDC: bad guys never close doors
//Added by MC: Neither do bots.
door->m_Direction = -1; // start going down immediately
// Start the door close sequence.
door->DoorSound(false, SN_CheckSequence(sec, CHAN_CEILING));
return true;
}
else
{
return false;
}
}
}
return false;
}
if (new DDoor (sec, type, speed, delay, lightTag, topcountdown))
rtn = true;
}
else
{ // [RH] Remote door
FSectorTagIterator it(tag);
while ((secnum = it.Next()) >= 0)
{
sec = &sectors[secnum];
// if the ceiling is already moving, don't start the door action
if (sec->PlaneMoving(sector_t::ceiling))
continue;
if (new DDoor (sec, type, speed, delay, lightTag, topcountdown))
rtn = true;
}
}
return rtn;
}
//============================================================================
//
// animated doors
//
//============================================================================
IMPLEMENT_CLASS (DAnimatedDoor)
DAnimatedDoor::DAnimatedDoor ()
{
}
DAnimatedDoor::DAnimatedDoor (sector_t *sec)
: DMovingCeiling (sec)
{
}
void DAnimatedDoor::Serialize (FArchive &arc)
{
Super::Serialize (arc);
arc << m_Line1 << m_Line2
<< m_Frame
<< m_Timer
<< m_BotDist
<< m_Status
<< m_Speed
<< m_Delay
<< m_DoorAnim
<< m_SetBlocking1 << m_SetBlocking2;
}
//============================================================================
//
// Starts a closing action on an animated door
//
//============================================================================
bool DAnimatedDoor::StartClosing ()
{
// CAN DOOR CLOSE?
if (m_Sector->touching_thinglist != NULL)
{
return false;
}
double topdist = m_Sector->ceilingplane.fD();
if (MoveCeiling (2048., m_BotDist, 0, -1, false) == crushed)
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{
return false;
}
MoveCeiling (2048., topdist, 1);
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m_Line1->flags |= ML_BLOCKING;
m_Line2->flags |= ML_BLOCKING;
if (m_DoorAnim->CloseSound != NAME_None)
{
SN_StartSequence (m_Sector, CHAN_CEILING, m_DoorAnim->CloseSound, 1);
}
m_Status = Closing;
m_Timer = m_Speed;
return true;
}
//============================================================================
//
//
//
//============================================================================
void DAnimatedDoor::Tick ()
{
if (m_DoorAnim == NULL)
{
// can only happen when a bad savegame is loaded.
Destroy();
return;
}
switch (m_Status)
{
case Dead:
m_Sector->ceilingdata = NULL;
Destroy ();
break;
case Opening:
if (!m_Timer--)
{
if (++m_Frame >= m_DoorAnim->NumTextureFrames)
{
// IF DOOR IS DONE OPENING...
m_Line1->flags &= ~ML_BLOCKING;
m_Line2->flags &= ~ML_BLOCKING;
if (m_Delay == 0)
{
m_Sector->ceilingdata = NULL;
Destroy ();
break;
}
m_Timer = m_Delay;
m_Status = Waiting;
}
else
{
// IF DOOR NEEDS TO ANIMATE TO NEXT FRAME...
m_Timer = m_Speed;
m_Line1->sidedef[0]->SetTexture(side_t::mid, m_DoorAnim->TextureFrames[m_Frame]);
m_Line1->sidedef[1]->SetTexture(side_t::mid, m_DoorAnim->TextureFrames[m_Frame]);
m_Line2->sidedef[0]->SetTexture(side_t::mid, m_DoorAnim->TextureFrames[m_Frame]);
m_Line2->sidedef[1]->SetTexture(side_t::mid, m_DoorAnim->TextureFrames[m_Frame]);
}
}
break;
case Waiting:
// IF DOOR IS DONE WAITING...
if (!m_Timer--)
{
if (!StartClosing())
{
m_Timer = m_Delay;
}
}
break;
case Closing:
if (!m_Timer--)
{
if (--m_Frame < 0)
{
// IF DOOR IS DONE CLOSING...
MoveCeiling (2048., m_BotDist, -1);
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m_Sector->ceilingdata = NULL;
Destroy ();
// Unset blocking flags on lines that didn't start with them. Since the
// ceiling is down now, we shouldn't need this flag anymore to keep things
// from getting through.
if (!m_SetBlocking1)
{
m_Line1->flags &= ~ML_BLOCKING;
}
if (!m_SetBlocking2)
{
m_Line2->flags &= ~ML_BLOCKING;
}
break;
}
else
{
// IF DOOR NEEDS TO ANIMATE TO NEXT FRAME...
m_Timer = m_Speed;
m_Line1->sidedef[0]->SetTexture(side_t::mid, m_DoorAnim->TextureFrames[m_Frame]);
m_Line1->sidedef[1]->SetTexture(side_t::mid, m_DoorAnim->TextureFrames[m_Frame]);
m_Line2->sidedef[0]->SetTexture(side_t::mid, m_DoorAnim->TextureFrames[m_Frame]);
m_Line2->sidedef[1]->SetTexture(side_t::mid, m_DoorAnim->TextureFrames[m_Frame]);
}
}
break;
}
}
//============================================================================
//
//
//
//============================================================================
DAnimatedDoor::DAnimatedDoor (sector_t *sec, line_t *line, int speed, int delay, FDoorAnimation *anim)
: DMovingCeiling (sec)
{
double topdist;
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FTextureID picnum;
// The DMovingCeiling constructor automatically sets up an interpolation for us.
// Stop it, since the ceiling is moving instantly here.
StopInterpolation();
m_DoorAnim = anim;
m_Line1 = line;
m_Line2 = line;
for (int i = 0; i < sec->linecount; ++i)
{
if (sec->lines[i] == line)
continue;
if (sec->lines[i]->sidedef[0]->GetTexture(side_t::top) == line->sidedef[0]->GetTexture(side_t::top))
{
m_Line2 = sec->lines[i];
break;
}
}
picnum = m_Line1->sidedef[0]->GetTexture(side_t::top);
m_Line1->sidedef[0]->SetTexture(side_t::mid, picnum);
m_Line2->sidedef[0]->SetTexture(side_t::mid, picnum);
// don't forget texture scaling here!
FTexture *tex = TexMan[picnum];
topdist = tex ? tex->GetScaledHeight() : 64;
topdist = m_Sector->ceilingplane.fD() - topdist * m_Sector->ceilingplane.fC();
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m_Status = Opening;
m_Speed = speed;
m_Delay = delay;
m_Timer = m_Speed;
m_Frame = 0;
m_SetBlocking1 = !!(m_Line1->flags & ML_BLOCKING);
m_SetBlocking2 = !!(m_Line2->flags & ML_BLOCKING);
m_Line1->flags |= ML_BLOCKING;
m_Line2->flags |= ML_BLOCKING;
m_BotDist = m_Sector->ceilingplane.fD();
MoveCeiling (2048., topdist, 1);
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if (m_DoorAnim->OpenSound != NAME_None)
{
SN_StartSequence (m_Sector, CHAN_INTERIOR, m_DoorAnim->OpenSound, 1);
}
}
//============================================================================
//
// EV_SlidingDoor : slide a door horizontally
// (animate midtexture, then set noblocking line)
//
//============================================================================
bool EV_SlidingDoor (line_t *line, AActor *actor, int tag, int speed, int delay)
{
sector_t *sec;
int secnum;
bool rtn;
secnum = -1;
rtn = false;
if (tag == 0)
{
// Manual sliding door
sec = line->backsector;
// Make sure door isn't already being animated
if (sec->ceilingdata != NULL)
{
if (actor->player == NULL)
return false;
if (sec->ceilingdata->IsA (RUNTIME_CLASS(DAnimatedDoor)))
{
DAnimatedDoor *door = barrier_cast<DAnimatedDoor *>(sec->ceilingdata);
if (door->m_Status == DAnimatedDoor::Waiting)
{
return door->StartClosing();
}
}
return false;
}
FDoorAnimation *anim = TexMan.FindAnimatedDoor (line->sidedef[0]->GetTexture(side_t::top));
if (anim != NULL)
{
new DAnimatedDoor (sec, line, speed, delay, anim);
return true;
}
return false;
}
FSectorTagIterator it(tag);
while ((secnum = it.Next()) >= 0)
{
sec = &sectors[secnum];
if (sec->ceilingdata != NULL)
{
continue;
}
for (int i = 0; tag != 0 && i < sec->linecount; ++i)
{
line = sec->lines[i];
if (line->backsector == NULL)
{
continue;
}
FDoorAnimation *anim = TexMan.FindAnimatedDoor (line->sidedef[0]->GetTexture(side_t::top));
if (anim != NULL)
{
rtn = true;
new DAnimatedDoor (sec, line, speed, delay, anim);
break;
}
}
}
return rtn;
}