mirror of
https://github.com/ZDoom/gzdoom.git
synced 2024-12-12 21:52:12 +00:00
b8f7e305db
This addresses the main issue with TObjPtr, namely that using it required pulling in the entire class hierarchy in basic headers like r_defs which polluted nearly every single source file in the project.
706 lines
20 KiB
C++
706 lines
20 KiB
C++
// 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:
|
|
// Initializes and implements BOOM linedef triggers for
|
|
// Scrollers/Conveyors
|
|
//
|
|
//-----------------------------------------------------------------------------
|
|
|
|
|
|
#include <stdlib.h>
|
|
#include "actor.h"
|
|
#include "p_spec.h"
|
|
#include "serializer.h"
|
|
#include "p_lnspec.h"
|
|
#include "r_data/r_interpolate.h"
|
|
#include "g_levellocals.h"
|
|
|
|
//-----------------------------------------------------------------------------
|
|
//
|
|
// killough 3/7/98: Add generalized scroll effects
|
|
//
|
|
//-----------------------------------------------------------------------------
|
|
|
|
class DScroller : public DThinker
|
|
{
|
|
DECLARE_CLASS (DScroller, DThinker)
|
|
HAS_OBJECT_POINTERS
|
|
public:
|
|
|
|
DScroller (EScroll type, double dx, double dy, int control, int affectee, int accel, EScrollPos scrollpos = EScrollPos::scw_all);
|
|
DScroller (double dx, double dy, const line_t *l, int control, int accel, EScrollPos scrollpos = EScrollPos::scw_all);
|
|
void OnDestroy() override;
|
|
|
|
void Serialize(FSerializer &arc);
|
|
void Tick ();
|
|
|
|
bool AffectsWall (int wallnum) const { return m_Type == EScroll::sc_side && m_Affectee == wallnum; }
|
|
int GetWallNum () const { return m_Type == EScroll::sc_side ? m_Affectee : -1; }
|
|
void SetRate (double dx, double dy) { m_dx = dx; m_dy = dy; }
|
|
bool IsType (EScroll type) const { return type == m_Type; }
|
|
int GetAffectee () const { return m_Affectee; }
|
|
EScrollPos GetScrollParts() const { return m_Parts; }
|
|
|
|
protected:
|
|
EScroll m_Type; // Type of scroll effect
|
|
double m_dx, m_dy; // (dx,dy) scroll speeds
|
|
int m_Affectee; // Number of affected sidedef, sector, tag, or whatever
|
|
int m_Control; // Control sector (-1 if none) used to control scrolling
|
|
double m_LastHeight; // Last known height of control sector
|
|
double m_vdx, m_vdy; // Accumulated velocity if accelerative
|
|
int m_Accel; // Whether it's accelerative
|
|
EScrollPos m_Parts; // Which parts of a sidedef are being scrolled?
|
|
TObjPtr<DInterpolation*> m_Interpolations[3];
|
|
|
|
private:
|
|
DScroller ()
|
|
{
|
|
}
|
|
};
|
|
|
|
IMPLEMENT_CLASS(DScroller, false, true)
|
|
|
|
IMPLEMENT_POINTERS_START(DScroller)
|
|
IMPLEMENT_POINTER(m_Interpolations[0])
|
|
IMPLEMENT_POINTER(m_Interpolations[1])
|
|
IMPLEMENT_POINTER(m_Interpolations[2])
|
|
IMPLEMENT_POINTERS_END
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
//
|
|
//
|
|
//
|
|
//-----------------------------------------------------------------------------
|
|
|
|
EScrollPos operator &(EScrollPos one, EScrollPos two)
|
|
{
|
|
return EScrollPos(int(one) & int(two));
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
//
|
|
//
|
|
//
|
|
//-----------------------------------------------------------------------------
|
|
|
|
void DScroller::Serialize(FSerializer &arc)
|
|
{
|
|
Super::Serialize (arc);
|
|
arc.Enum("type", m_Type)
|
|
("dx", m_dx)
|
|
("dy", m_dy)
|
|
("affectee", m_Affectee)
|
|
("control", m_Control)
|
|
("lastheight", m_LastHeight)
|
|
("vdx", m_vdx)
|
|
("vdy", m_vdy)
|
|
("accel", m_Accel)
|
|
.Enum("parts", m_Parts)
|
|
.Array("interpolations", m_Interpolations, 3);
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
//
|
|
// [RH] Compensate for rotated sector textures by rotating the scrolling
|
|
// in the opposite direction.
|
|
//
|
|
//-----------------------------------------------------------------------------
|
|
|
|
static void RotationComp(const sector_t *sec, int which, double dx, double dy, double &tdx, double &tdy)
|
|
{
|
|
DAngle an = sec->GetAngle(which);
|
|
if (an == 0)
|
|
{
|
|
tdx = dx;
|
|
tdy = dy;
|
|
}
|
|
else
|
|
{
|
|
double ca = -an.Cos();
|
|
double sa = -an.Sin();
|
|
tdx = dx*ca - dy*sa;
|
|
tdy = dy*ca + dx*sa;
|
|
}
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
//
|
|
// killough 2/28/98:
|
|
//
|
|
// This function, with the help of r_plane.c and r_bsp.c, supports generalized
|
|
// scrolling floors and walls, with optional mobj-carrying properties, e.g.
|
|
// conveyor belts, rivers, etc. A linedef with a special type affects all
|
|
// tagged sectors the same way, by creating scrolling and/or object-carrying
|
|
// properties. Multiple linedefs may be used on the same sector and are
|
|
// cumulative, although the special case of scrolling a floor and carrying
|
|
// things on it, requires only one linedef. The linedef's direction determines
|
|
// the scrolling direction, and the linedef's length determines the scrolling
|
|
// speed. This was designed so that an edge around the sector could be used to
|
|
// control the direction of the sector's scrolling, which is usually what is
|
|
// desired.
|
|
//
|
|
// Process the active scrollers.
|
|
//
|
|
// This is the main scrolling code
|
|
// killough 3/7/98
|
|
//
|
|
//-----------------------------------------------------------------------------
|
|
|
|
void DScroller::Tick ()
|
|
{
|
|
double dx = m_dx, dy = m_dy, tdx, tdy;
|
|
|
|
if (m_Control != -1)
|
|
{ // compute scroll amounts based on a sector's height changes
|
|
double height = level.sectors[m_Control].CenterFloor () +
|
|
level.sectors[m_Control].CenterCeiling ();
|
|
double delta = height - m_LastHeight;
|
|
m_LastHeight = height;
|
|
dx *= delta;
|
|
dy *= delta;
|
|
}
|
|
|
|
// killough 3/14/98: Add acceleration
|
|
if (m_Accel)
|
|
{
|
|
m_vdx = dx += m_vdx;
|
|
m_vdy = dy += m_vdy;
|
|
}
|
|
|
|
if (dx == 0 && dy == 0)
|
|
return;
|
|
|
|
switch (m_Type)
|
|
{
|
|
case EScroll::sc_side: // killough 3/7/98: Scroll wall texture
|
|
if (m_Parts & EScrollPos::scw_top)
|
|
{
|
|
level.sides[m_Affectee].AddTextureXOffset(side_t::top, dx);
|
|
level.sides[m_Affectee].AddTextureYOffset(side_t::top, dy);
|
|
}
|
|
if (m_Parts & EScrollPos::scw_mid && (level.sides[m_Affectee].linedef->backsector == NULL ||
|
|
!(level.sides[m_Affectee].linedef->flags&ML_3DMIDTEX)))
|
|
{
|
|
level.sides[m_Affectee].AddTextureXOffset(side_t::mid, dx);
|
|
level.sides[m_Affectee].AddTextureYOffset(side_t::mid, dy);
|
|
}
|
|
if (m_Parts & EScrollPos::scw_bottom)
|
|
{
|
|
level.sides[m_Affectee].AddTextureXOffset(side_t::bottom, dx);
|
|
level.sides[m_Affectee].AddTextureYOffset(side_t::bottom, dy);
|
|
}
|
|
break;
|
|
|
|
case EScroll::sc_floor: // killough 3/7/98: Scroll floor texture
|
|
RotationComp(&level.sectors[m_Affectee], sector_t::floor, dx, dy, tdx, tdy);
|
|
level.sectors[m_Affectee].AddXOffset(sector_t::floor, tdx);
|
|
level.sectors[m_Affectee].AddYOffset(sector_t::floor, tdy);
|
|
break;
|
|
|
|
case EScroll::sc_ceiling: // killough 3/7/98: Scroll ceiling texture
|
|
RotationComp(&level.sectors[m_Affectee], sector_t::ceiling, dx, dy, tdx, tdy);
|
|
level.sectors[m_Affectee].AddXOffset(sector_t::ceiling, tdx);
|
|
level.sectors[m_Affectee].AddYOffset(sector_t::ceiling, tdy);
|
|
break;
|
|
|
|
// [RH] Don't actually carry anything here. That happens later.
|
|
case EScroll::sc_carry:
|
|
level.Scrolls[m_Affectee].X += dx;
|
|
level.Scrolls[m_Affectee].Y += dy;
|
|
break;
|
|
|
|
case EScroll::sc_carry_ceiling: // to be added later
|
|
break;
|
|
}
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
//
|
|
// Add_Scroller()
|
|
//
|
|
// Add a generalized scroller to the thinker list.
|
|
//
|
|
// type: the enumerated type of scrolling: floor, ceiling, floor carrier,
|
|
// wall, floor carrier & scroller
|
|
//
|
|
// (dx,dy): the direction and speed of the scrolling or its acceleration
|
|
//
|
|
// control: the sector whose heights control this scroller's effect
|
|
// remotely, or -1 if no control sector
|
|
//
|
|
// affectee: the index of the affected object (sector or sidedef)
|
|
//
|
|
// accel: non-zero if this is an accelerative effect
|
|
//
|
|
//-----------------------------------------------------------------------------
|
|
|
|
DScroller::DScroller (EScroll type, double dx, double dy,
|
|
int control, int affectee, int accel, EScrollPos scrollpos)
|
|
: DThinker (STAT_SCROLLER)
|
|
{
|
|
m_Type = type;
|
|
m_dx = dx;
|
|
m_dy = dy;
|
|
m_Accel = accel;
|
|
m_Parts = scrollpos;
|
|
m_vdx = m_vdy = 0;
|
|
m_LastHeight = 0;
|
|
if ((m_Control = control) != -1)
|
|
{
|
|
m_LastHeight =
|
|
level.sectors[control].CenterFloor() + level.sectors[control].CenterCeiling();
|
|
}
|
|
m_Affectee = affectee;
|
|
m_Interpolations[0] = m_Interpolations[1] = m_Interpolations[2] = NULL;
|
|
|
|
switch (type)
|
|
{
|
|
case EScroll::sc_carry:
|
|
level.AddScroller (affectee);
|
|
break;
|
|
|
|
case EScroll::sc_side:
|
|
level.sides[affectee].Flags |= WALLF_NOAUTODECALS;
|
|
if (m_Parts & EScrollPos::scw_top)
|
|
{
|
|
m_Interpolations[0] = level.sides[m_Affectee].SetInterpolation(side_t::top);
|
|
}
|
|
if (m_Parts & EScrollPos::scw_mid && (level.sides[m_Affectee].linedef->backsector == nullptr ||
|
|
!(level.sides[m_Affectee].linedef->flags&ML_3DMIDTEX)))
|
|
{
|
|
m_Interpolations[1] = level.sides[m_Affectee].SetInterpolation(side_t::mid);
|
|
}
|
|
if (m_Parts & EScrollPos::scw_bottom)
|
|
{
|
|
m_Interpolations[2] = level.sides[m_Affectee].SetInterpolation(side_t::bottom);
|
|
}
|
|
break;
|
|
|
|
case EScroll::sc_floor:
|
|
m_Interpolations[0] = level.sectors[affectee].SetInterpolation(sector_t::FloorScroll, false);
|
|
break;
|
|
|
|
case EScroll::sc_ceiling:
|
|
m_Interpolations[0] = level.sectors[affectee].SetInterpolation(sector_t::CeilingScroll, false);
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
void DScroller::OnDestroy ()
|
|
{
|
|
for(int i=0;i<3;i++)
|
|
{
|
|
if (m_Interpolations[i] != NULL)
|
|
{
|
|
m_Interpolations[i]->DelRef();
|
|
m_Interpolations[i] = NULL;
|
|
}
|
|
}
|
|
Super::OnDestroy();
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
//
|
|
// Adds wall scroller. Scroll amount is rotated with respect to wall's
|
|
// linedef first, so that scrolling towards the wall in a perpendicular
|
|
// direction is translated into vertical motion, while scrolling along
|
|
// the wall in a parallel direction is translated into horizontal motion.
|
|
//
|
|
// killough 5/25/98: cleaned up arithmetic to avoid drift due to roundoff
|
|
//
|
|
//-----------------------------------------------------------------------------
|
|
|
|
DScroller::DScroller (double dx, double dy, const line_t *l,
|
|
int control, int accel, EScrollPos scrollpos)
|
|
: DThinker (STAT_SCROLLER)
|
|
{
|
|
double x = fabs(l->Delta().X), y = fabs(l->Delta().Y), d;
|
|
if (y > x) d = x, x = y, y = d;
|
|
|
|
d = x / g_sin(g_atan2(y, x) + M_PI / 2);
|
|
x = -(dy * l->Delta().Y + dx * l->Delta().X) / d;
|
|
y = -(dx * l->Delta().Y - dy * l->Delta().X) / d;
|
|
|
|
m_Type = EScroll::sc_side;
|
|
m_dx = x;
|
|
m_dy = y;
|
|
m_vdx = m_vdy = 0;
|
|
m_Accel = accel;
|
|
m_Parts = scrollpos;
|
|
m_LastHeight = 0;
|
|
if ((m_Control = control) != -1)
|
|
m_LastHeight = level.sectors[control].CenterFloor() + level.sectors[control].CenterCeiling();
|
|
m_Affectee = l->sidedef[0]->Index();
|
|
level.sides[m_Affectee].Flags |= WALLF_NOAUTODECALS;
|
|
m_Interpolations[0] = m_Interpolations[1] = m_Interpolations[2] = NULL;
|
|
|
|
if (m_Parts & EScrollPos::scw_top)
|
|
{
|
|
m_Interpolations[0] = level.sides[m_Affectee].SetInterpolation(side_t::top);
|
|
}
|
|
if (m_Parts & EScrollPos::scw_mid && (level.sides[m_Affectee].linedef->backsector == NULL ||
|
|
!(level.sides[m_Affectee].linedef->flags&ML_3DMIDTEX)))
|
|
{
|
|
m_Interpolations[1] = level.sides[m_Affectee].SetInterpolation(side_t::mid);
|
|
}
|
|
if (m_Parts & EScrollPos::scw_bottom)
|
|
{
|
|
m_Interpolations[2] = level.sides[m_Affectee].SetInterpolation(side_t::bottom);
|
|
}
|
|
}
|
|
|
|
// Amount (dx,dy) vector linedef is shifted right to get scroll amount
|
|
#define SCROLL_SHIFT 5
|
|
#define SCROLLTYPE(i) EScrollPos(((i) <= 0) || ((i) & ~7) ? 7 : (i))
|
|
|
|
//-----------------------------------------------------------------------------
|
|
//
|
|
// Initialize the scrollers
|
|
//
|
|
//-----------------------------------------------------------------------------
|
|
|
|
void P_SpawnScrollers(void)
|
|
{
|
|
line_t *l = &level.lines[0];
|
|
TArray<int> copyscrollers;
|
|
|
|
for (auto &line : level.lines)
|
|
{
|
|
if (line.special == Sector_CopyScroller)
|
|
{
|
|
// don't allow copying the scroller if the sector has the same tag as it would just duplicate it.
|
|
if (!tagManager.SectorHasTag(line.frontsector, line.args[0]))
|
|
{
|
|
copyscrollers.Push(line.Index());
|
|
}
|
|
line.special = 0;
|
|
}
|
|
}
|
|
|
|
for (unsigned i = 0; i < level.lines.Size(); i++, l++)
|
|
{
|
|
double dx; // direction and speed of scrolling
|
|
double dy;
|
|
int control = -1, accel = 0; // no control sector or acceleration
|
|
int special = l->special;
|
|
|
|
// Check for undefined parameters that are non-zero and output messages for them.
|
|
// We don't report for specials we don't understand.
|
|
FLineSpecial *spec = P_GetLineSpecialInfo(special);
|
|
if (spec != NULL)
|
|
{
|
|
int max = spec->map_args;
|
|
for (unsigned arg = max; arg < countof(l->args); ++arg)
|
|
{
|
|
if (l->args[arg] != 0)
|
|
{
|
|
Printf("Line %d (type %d:%s), arg %u is %d (should be 0)\n",
|
|
i, special, spec->name, arg+1, l->args[arg]);
|
|
}
|
|
}
|
|
}
|
|
|
|
// killough 3/7/98: Types 245-249 are same as 250-254 except that the
|
|
// first side's sector's heights cause scrolling when they change, and
|
|
// this linedef controls the direction and speed of the scrolling. The
|
|
// most complicated linedef since donuts, but powerful :)
|
|
//
|
|
// killough 3/15/98: Add acceleration. Types 214-218 are the same but
|
|
// are accelerative.
|
|
|
|
// [RH] Assume that it's a scroller and zero the line's special.
|
|
l->special = 0;
|
|
|
|
dx = dy = 0; // Shut up, GCC
|
|
|
|
if (special == Scroll_Ceiling ||
|
|
special == Scroll_Floor ||
|
|
special == Scroll_Texture_Model)
|
|
{
|
|
if (l->args[1] & 3)
|
|
{
|
|
// if 1, then displacement
|
|
// if 2, then accelerative (also if 3)
|
|
control = l->sidedef[0]->sector->Index();
|
|
if (l->args[1] & 2)
|
|
accel = 1;
|
|
}
|
|
if (special == Scroll_Texture_Model ||
|
|
l->args[1] & 4)
|
|
{
|
|
// The line housing the special controls the
|
|
// direction and speed of scrolling.
|
|
dx = l->Delta().X / 32.;
|
|
dy = l->Delta().Y / 32.;
|
|
}
|
|
else
|
|
{
|
|
// The speed and direction are parameters to the special.
|
|
dx = (l->args[3] - 128) / 32.;
|
|
dy = (l->args[4] - 128) / 32.;
|
|
}
|
|
}
|
|
|
|
switch (special)
|
|
{
|
|
int s;
|
|
|
|
case Scroll_Ceiling:
|
|
{
|
|
FSectorTagIterator itr(l->args[0]);
|
|
while ((s = itr.Next()) >= 0)
|
|
{
|
|
new DScroller(EScroll::sc_ceiling, -dx, dy, control, s, accel);
|
|
}
|
|
for (unsigned j = 0; j < copyscrollers.Size(); j++)
|
|
{
|
|
line_t *line = &level.lines[copyscrollers[j]];
|
|
|
|
if (line->args[0] == l->args[0] && (line->args[1] & 1))
|
|
{
|
|
new DScroller(EScroll::sc_ceiling, -dx, dy, control, line->frontsector->Index(), accel);
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
|
|
case Scroll_Floor:
|
|
if (l->args[2] != 1)
|
|
{ // scroll the floor texture
|
|
FSectorTagIterator itr(l->args[0]);
|
|
while ((s = itr.Next()) >= 0)
|
|
{
|
|
new DScroller (EScroll::sc_floor, -dx, dy, control, s, accel);
|
|
}
|
|
for(unsigned j = 0;j < copyscrollers.Size(); j++)
|
|
{
|
|
line_t *line = &level.lines[copyscrollers[j]];
|
|
|
|
if (line->args[0] == l->args[0] && (line->args[1] & 2))
|
|
{
|
|
new DScroller(EScroll::sc_floor, -dx, dy, control, line->frontsector->Index(), accel);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (l->args[2] > 0)
|
|
{ // carry objects on the floor
|
|
FSectorTagIterator itr(l->args[0]);
|
|
while ((s = itr.Next()) >= 0)
|
|
{
|
|
new DScroller (EScroll::sc_carry, dx, dy, control, s, accel);
|
|
}
|
|
for(unsigned j = 0;j < copyscrollers.Size(); j++)
|
|
{
|
|
line_t *line = &level.lines[copyscrollers[j]];
|
|
|
|
if (line->args[0] == l->args[0] && (line->args[1] & 4))
|
|
{
|
|
new DScroller (EScroll::sc_carry, dx, dy, control, line->frontsector->Index(), accel);
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
|
|
// killough 3/1/98: scroll wall according to linedef
|
|
// (same direction and speed as scrolling floors)
|
|
case Scroll_Texture_Model:
|
|
{
|
|
FLineIdIterator itr(l->args[0]);
|
|
while ((s = itr.Next()) >= 0)
|
|
{
|
|
if (s != (int)i)
|
|
new DScroller(dx, dy, &level.lines[s], control, accel);
|
|
}
|
|
break;
|
|
}
|
|
|
|
case Scroll_Texture_Offsets:
|
|
// killough 3/2/98: scroll according to sidedef offsets
|
|
s = level.lines[i].sidedef[0]->Index();
|
|
new DScroller (EScroll::sc_side, -level.sides[s].GetTextureXOffset(side_t::mid),
|
|
level.sides[s].GetTextureYOffset(side_t::mid), -1, s, accel, SCROLLTYPE(l->args[0]));
|
|
break;
|
|
|
|
case Scroll_Texture_Left:
|
|
l->special = special; // Restore the special, for compat_useblocking's benefit.
|
|
s = level.lines[i].sidedef[0]->Index();
|
|
new DScroller (EScroll::sc_side, l->args[0] / 64., 0,
|
|
-1, s, accel, SCROLLTYPE(l->args[1]));
|
|
break;
|
|
|
|
case Scroll_Texture_Right:
|
|
l->special = special;
|
|
s = level.lines[i].sidedef[0]->Index();
|
|
new DScroller (EScroll::sc_side, -l->args[0] / 64., 0,
|
|
-1, s, accel, SCROLLTYPE(l->args[1]));
|
|
break;
|
|
|
|
case Scroll_Texture_Up:
|
|
l->special = special;
|
|
s = level.lines[i].sidedef[0]->Index();
|
|
new DScroller (EScroll::sc_side, 0, l->args[0] / 64.,
|
|
-1, s, accel, SCROLLTYPE(l->args[1]));
|
|
break;
|
|
|
|
case Scroll_Texture_Down:
|
|
l->special = special;
|
|
s = level.lines[i].sidedef[0]->Index();
|
|
new DScroller (EScroll::sc_side, 0, -l->args[0] / 64.,
|
|
-1, s, accel, SCROLLTYPE(l->args[1]));
|
|
break;
|
|
|
|
case Scroll_Texture_Both:
|
|
s = level.lines[i].sidedef[0]->Index();
|
|
if (l->args[0] == 0) {
|
|
dx = (l->args[1] - l->args[2]) / 64.;
|
|
dy = (l->args[4] - l->args[3]) / 64.;
|
|
new DScroller (EScroll::sc_side, dx, dy, -1, s, accel);
|
|
}
|
|
break;
|
|
|
|
default:
|
|
// [RH] It wasn't a scroller after all, so restore the special.
|
|
l->special = special;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
//
|
|
// Modify a wall scroller
|
|
//
|
|
//-----------------------------------------------------------------------------
|
|
|
|
void SetWallScroller (int id, int sidechoice, double dx, double dy, EScrollPos Where)
|
|
{
|
|
Where = Where & scw_all;
|
|
if (Where == 0) return;
|
|
|
|
if (dx == 0 && dy == 0)
|
|
{
|
|
// Special case: Remove the scroller, because the deltas are both 0.
|
|
TThinkerIterator<DScroller> iterator (STAT_SCROLLER);
|
|
DScroller *scroller;
|
|
|
|
while ( (scroller = iterator.Next ()) )
|
|
{
|
|
int wallnum = scroller->GetWallNum ();
|
|
|
|
if (wallnum >= 0 && tagManager.LineHasID(level.sides[wallnum].linedef, id) &&
|
|
level.sides[wallnum].linedef->sidedef[sidechoice]->Index() == wallnum &&
|
|
Where == scroller->GetScrollParts())
|
|
{
|
|
scroller->Destroy ();
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
// Find scrollers already attached to the matching walls, and change
|
|
// their rates.
|
|
TArray<FThinkerCollection> Collection;
|
|
{
|
|
TThinkerIterator<DScroller> iterator (STAT_SCROLLER);
|
|
FThinkerCollection collect;
|
|
|
|
while ( (collect.Obj = iterator.Next ()) )
|
|
{
|
|
if ((collect.RefNum = ((DScroller *)collect.Obj)->GetWallNum ()) != -1 &&
|
|
tagManager.LineHasID(level.sides[collect.RefNum].linedef, id) &&
|
|
level.sides[collect.RefNum].linedef->sidedef[sidechoice]->Index() == collect.RefNum &&
|
|
Where == ((DScroller *)collect.Obj)->GetScrollParts())
|
|
{
|
|
((DScroller *)collect.Obj)->SetRate (dx, dy);
|
|
Collection.Push (collect);
|
|
}
|
|
}
|
|
}
|
|
|
|
size_t numcollected = Collection.Size ();
|
|
int linenum;
|
|
|
|
// Now create scrollers for any walls that don't already have them.
|
|
FLineIdIterator itr(id);
|
|
while ((linenum = itr.Next()) >= 0)
|
|
{
|
|
if (level.lines[linenum].sidedef[sidechoice] != NULL)
|
|
{
|
|
int sidenum = level.lines[linenum].sidedef[sidechoice]->Index();
|
|
unsigned int i;
|
|
for (i = 0; i < numcollected; i++)
|
|
{
|
|
if (Collection[i].RefNum == sidenum)
|
|
break;
|
|
}
|
|
if (i == numcollected)
|
|
{
|
|
new DScroller (EScroll::sc_side, dx, dy, -1, sidenum, 0, Where);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void SetScroller (int tag, EScroll type, double dx, double dy)
|
|
{
|
|
TThinkerIterator<DScroller> iterator (STAT_SCROLLER);
|
|
DScroller *scroller;
|
|
int i;
|
|
|
|
// Check if there is already a scroller for this tag
|
|
// If at least one sector with this tag is scrolling, then they all are.
|
|
// If the deltas are both 0, we don't remove the scroller, because a
|
|
// displacement/accelerative scroller might have been set up, and there's
|
|
// no way to create one after the level is fully loaded.
|
|
i = 0;
|
|
while ( (scroller = iterator.Next ()) )
|
|
{
|
|
if (scroller->IsType (type))
|
|
{
|
|
if (tagManager.SectorHasTag(scroller->GetAffectee (), tag))
|
|
{
|
|
i++;
|
|
scroller->SetRate (dx, dy);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (i > 0 || (dx == 0 && dy == 0))
|
|
{
|
|
return;
|
|
}
|
|
|
|
// Need to create scrollers for the sector(s)
|
|
FSectorTagIterator itr(tag);
|
|
while ((i = itr.Next()) >= 0)
|
|
{
|
|
new DScroller (type, dx, dy, -1, i, 0);
|
|
}
|
|
}
|
|
|
|
void P_CreateScroller(EScroll type, double dx, double dy, int control, int affectee, int accel, EScrollPos scrollpos)
|
|
{
|
|
new DScroller(type, dx, dy, control, affectee, accel, scrollpos);
|
|
}
|