sector_t *R_FakeFlat(sector_t *sec, sector_t *tempsec,
int *floorlightlevel, int *ceilinglightlevel,
bool back)
{
// [RH] allow per-plane lighting
if (floorlightlevel != NULL)
{
*floorlightlevel = sec->floorlightsec == NULL ?
sec->lightlevel : sec->floorlightsec->lightlevel;
}
if (ceilinglightlevel != NULL)
{
*ceilinglightlevel = sec->ceilinglightsec == NULL ? // killough 4/11/98
sec->lightlevel : sec->ceilinglightsec->lightlevel;
}
FakeSide = FAKED_Center;
if (!sec->heightsec || sec->heightsec->MoreFlags & SECF_IGNOREHEIGHTSEC)
return sec;
if (!camera || !camera->subsector || !camera->subsector->sector)
return sec;
const sector_t* s = sec->heightsec;
sector_t *heightsec = camera->subsector->sector->heightsec;
bool underwater = r_fakingunderwater ||
(heightsec && viewz <= P_FloorHeight(viewx, viewy, heightsec));
bool doorunderwater = false;
int diffTex = (s->MoreFlags & SECF_CLIPFAKEPLANES);
// Replace sector being drawn with a copy to be hacked
*tempsec = *sec;
// Replace floor and ceiling height with control sector's heights.
if (diffTex)
{
if (CopyPlaneIfValid (&tempsec->floorplane, &s->floorplane, &sec->ceilingplane))
tempsec->floorpic = s->floorpic;
else if (s->MoreFlags & SECF_FAKEFLOORONLY)
{
if (underwater)
{
tempsec->colormap = s->colormap;
if (!(s->MoreFlags & SECF_NOFAKELIGHT))
{
tempsec->lightlevel = s->lightlevel;
if (floorlightlevel != NULL)
{
*floorlightlevel = s->floorlightsec == NULL ?
s->lightlevel : s->floorlightsec->lightlevel;
}
if (ceilinglightlevel != NULL)
{
*ceilinglightlevel = s->ceilinglightsec == NULL ?
s->lightlevel : s->ceilinglightsec->lightlevel;
}
}
FakeSide = FAKED_BelowFloor;
return tempsec;
}
return sec;
}
}
else
{
tempsec->floorplane = s->floorplane;
}
if (!(s->MoreFlags & SECF_FAKEFLOORONLY))
{
if (diffTex)
{
if (CopyPlaneIfValid (&tempsec->ceilingplane, &s->ceilingplane, &sec->floorplane))
tempsec->ceilingpic = s->ceilingpic;
}
else
{
tempsec->ceilingplane = s->ceilingplane;
}
}
fixed_t refceilz = P_CeilingHeight(viewx, viewy, s);
fixed_t orgceilz = P_CeilingHeight(viewx, viewy, sec);
// [RH] Allow viewing underwater areas through doors/windows that
// are underwater but not in a water sector themselves.
// Only works if you cannot see the top surface of any deep water
// sectors at the same time.
if (back && !r_fakingunderwater && curline->frontsector->heightsec == NULL)
{
fixed_t fcz1 = P_CeilingHeight(curline->v1->x, curline->v1->y, frontsector);
fixed_t fcz2 = P_CeilingHeight(curline->v2->x, curline->v2->y, frontsector);
if (fcz1 <= P_FloorHeight(curline->v1->x, curline->v1->y, s) &&
fcz2 <= P_FloorHeight(curline->v2->x, curline->v2->y, s))
{
// will any columns of this window be visible or will they be blocked
// by 1s lines and closed doors?
if (memchr(solidcol + rw_start, 0, rw_stop - rw_start + 1) != NULL)
{
doorunderwater = true;
r_fakingunderwater = true;
}
}
}
if (underwater || doorunderwater)
{
tempsec->floorplane = sec->floorplane;
tempsec->ceilingplane = s->floorplane;
P_InvertPlane(&tempsec->ceilingplane);
P_ChangeCeilingHeight(tempsec, -1);
tempsec->colormap = s->colormap;
}
// killough 11/98: prevent sudden light changes from non-water sectors:
if ((underwater && !back) || doorunderwater)
{ // head-below-floor hack
tempsec->floorpic = diffTex ? sec->floorpic : s->floorpic;
tempsec->floor_xoffs = s->floor_xoffs;
tempsec->floor_yoffs = s->floor_yoffs;
tempsec->floor_xscale = s->floor_xscale;
tempsec->floor_yscale = s->floor_yscale;
tempsec->floor_angle = s->floor_angle;
tempsec->base_floor_angle = s->base_floor_angle;
tempsec->base_floor_yoffs = s->base_floor_yoffs;
tempsec->ceilingplane = s->floorplane;
P_InvertPlane(&tempsec->ceilingplane);
P_ChangeCeilingHeight(tempsec, -1);
if (s->ceilingpic == skyflatnum)
{
tempsec->floorplane = tempsec->ceilingplane;
P_InvertPlane(&tempsec->floorplane);
P_ChangeFloorHeight(tempsec, +1);
tempsec->ceilingpic = tempsec->floorpic;
tempsec->ceiling_xoffs = tempsec->floor_xoffs;
tempsec->ceiling_yoffs = tempsec->floor_yoffs;
tempsec->ceiling_xscale = tempsec->floor_xscale;
tempsec->ceiling_yscale = tempsec->floor_yscale;
tempsec->ceiling_angle = tempsec->floor_angle;
tempsec->base_ceiling_angle = tempsec->base_floor_angle;
tempsec->base_ceiling_yoffs = tempsec->base_floor_yoffs;
}
else
{
tempsec->ceilingpic = diffTex ? s->floorpic : s->ceilingpic;
tempsec->ceiling_xoffs = s->ceiling_xoffs;
tempsec->ceiling_yoffs = s->ceiling_yoffs;
tempsec->ceiling_xscale = s->ceiling_xscale;
tempsec->ceiling_yscale = s->ceiling_yscale;
tempsec->ceiling_angle = s->ceiling_angle;
tempsec->base_ceiling_angle = s->base_ceiling_angle;
tempsec->base_ceiling_yoffs = s->base_ceiling_yoffs;
}
if (!(s->MoreFlags & SECF_NOFAKELIGHT))
{
tempsec->lightlevel = s->lightlevel;
if (floorlightlevel != NULL)
{
*floorlightlevel = s->floorlightsec == NULL ?
s->lightlevel : s->floorlightsec->lightlevel;
}
if (ceilinglightlevel != NULL)
{
*ceilinglightlevel = s->ceilinglightsec == NULL ?
s->lightlevel : s->ceilinglightsec->lightlevel;
}
}
FakeSide = FAKED_BelowFloor;
}
else if (heightsec && viewz >= P_CeilingHeight(viewx, viewy, heightsec) &&
orgceilz > refceilz && !(s->MoreFlags & SECF_FAKEFLOORONLY))
{ // Above-ceiling hack
tempsec->ceilingplane = s->ceilingplane;
tempsec->floorplane = s->ceilingplane;
P_InvertPlane(&tempsec->floorplane);
P_ChangeFloorHeight(tempsec, +1);
tempsec->colormap = s->colormap;
tempsec->ceilingpic = diffTex ? sec->ceilingpic : s->ceilingpic;
tempsec->floorpic = s->ceilingpic;
tempsec->floor_xoffs = tempsec->ceiling_xoffs = s->ceiling_xoffs;
tempsec->floor_yoffs = tempsec->ceiling_yoffs = s->ceiling_yoffs;
tempsec->floor_xscale = tempsec->ceiling_xscale = s->ceiling_xscale;
tempsec->floor_yscale = tempsec->ceiling_yscale = s->ceiling_yscale;
tempsec->floor_angle = tempsec->ceiling_angle = s->ceiling_angle;
tempsec->base_floor_angle = tempsec->base_ceiling_angle = s->base_ceiling_angle;
tempsec->base_floor_yoffs = tempsec->base_ceiling_yoffs = s->base_ceiling_yoffs;
if (s->floorpic != skyflatnum)
{
tempsec->ceilingplane = sec->ceilingplane;
tempsec->floorpic = s->floorpic;
tempsec->floor_xoffs = s->floor_xoffs;
tempsec->floor_yoffs = s->floor_yoffs;
tempsec->floor_xscale = s->floor_xscale;
tempsec->floor_yscale = s->floor_yscale;
tempsec->floor_angle = s->floor_angle;
}
if (!(s->MoreFlags & SECF_NOFAKELIGHT))
{
tempsec->lightlevel = s->lightlevel;
if (floorlightlevel != NULL)
{
*floorlightlevel = s->floorlightsec == NULL ?
s->lightlevel : s->floorlightsec->lightlevel;
}
if (ceilinglightlevel != NULL)
{
*ceilinglightlevel = s->ceilinglightsec == NULL ?
s->lightlevel : s->ceilinglightsec->lightlevel;
}
}
FakeSide = FAKED_AboveCeiling;
}
sec = tempsec; // Use other sector
return sec;
}
sector_t *R_FakeFlat(sector_t *sec, sector_t *tempsec,
int *floorlightlevel, int *ceilinglightlevel,
bool back)
{
// [RH] allow per-plane lighting
if (floorlightlevel != NULL)
{
*floorlightlevel = GetFloorLight (sec);
}
if (ceilinglightlevel != NULL)
{
*ceilinglightlevel = GetCeilingLight (sec);
}
FakeSide = FAKED_Center;
const sector_t *s = sec->GetHeightSec();
if (s != NULL)
{
sector_t *heightsec = viewsector->heightsec;
bool underwater = r_fakingunderwater ||
(heightsec && viewz <= heightsec->floorplane.ZatPoint (viewx, viewy));
bool doorunderwater = false;
int diffTex = (s->MoreFlags & SECF_CLIPFAKEPLANES);
// Replace sector being drawn with a copy to be hacked
*tempsec = *sec;
// Replace floor and ceiling height with control sector's heights.
if (diffTex)
{
if (CopyPlaneIfValid (&tempsec->floorplane, &s->floorplane, &sec->ceilingplane))
{
tempsec->SetTexture(sector_t::floor, s->GetTexture(sector_t::floor), false);
}
else if (s->MoreFlags & SECF_FAKEFLOORONLY)
{
if (underwater)
{
tempsec->ColorMap = s->ColorMap;
if (!(s->MoreFlags & SECF_NOFAKELIGHT))
{
tempsec->lightlevel = s->lightlevel;
if (floorlightlevel != NULL)
{
*floorlightlevel = GetFloorLight (s);
}
if (ceilinglightlevel != NULL)
{
*ceilinglightlevel = GetCeilingLight (s);
}
}
FakeSide = FAKED_BelowFloor;
return tempsec;
}
return sec;
}
}
else
{
tempsec->floorplane = s->floorplane;
}
if (!(s->MoreFlags & SECF_FAKEFLOORONLY))
{
if (diffTex)
{
if (CopyPlaneIfValid (&tempsec->ceilingplane, &s->ceilingplane, &sec->floorplane))
{
tempsec->SetTexture(sector_t::ceiling, s->GetTexture(sector_t::ceiling), false);
}
}
else
{
tempsec->ceilingplane = s->ceilingplane;
}
}
// fixed_t refflorz = s->floorplane.ZatPoint (viewx, viewy);
fixed_t refceilz = s->ceilingplane.ZatPoint (viewx, viewy);
// fixed_t orgflorz = sec->floorplane.ZatPoint (viewx, viewy);
fixed_t orgceilz = sec->ceilingplane.ZatPoint (viewx, viewy);
#if 1
// [RH] Allow viewing underwater areas through doors/windows that
// are underwater but not in a water sector themselves.
// Only works if you cannot see the top surface of any deep water
// sectors at the same time.
if (back && !r_fakingunderwater && curline->frontsector->heightsec == NULL)
{
if (rw_frontcz1 <= s->floorplane.ZatPoint (curline->v1->x, curline->v1->y) &&
rw_frontcz2 <= s->floorplane.ZatPoint (curline->v2->x, curline->v2->y))
{
// Check that the window is actually visible
for (int z = WallSX1; z < WallSX2; ++z)
{
if (floorclip[z] > ceilingclip[z])
{
doorunderwater = true;
r_fakingunderwater = true;
break;
}
}
}
}
#endif
if (underwater || doorunderwater)
{
tempsec->floorplane = sec->floorplane;
tempsec->ceilingplane = s->floorplane;
tempsec->ceilingplane.FlipVert ();
tempsec->ceilingplane.ChangeHeight (-1);
tempsec->ColorMap = s->ColorMap;
}
// killough 11/98: prevent sudden light changes from non-water sectors:
if ((underwater && !back) || doorunderwater)
{ // head-below-floor hack
tempsec->SetTexture(sector_t::floor, diffTex ? sec->GetTexture(sector_t::floor) : s->GetTexture(sector_t::floor), false);
tempsec->planes[sector_t::floor].xform = s->planes[sector_t::floor].xform;
tempsec->ceilingplane = s->floorplane;
tempsec->ceilingplane.FlipVert ();
tempsec->ceilingplane.ChangeHeight (-1);
if (s->GetTexture(sector_t::ceiling) == skyflatnum)
{
tempsec->floorplane = tempsec->ceilingplane;
tempsec->floorplane.FlipVert ();
tempsec->floorplane.ChangeHeight (+1);
tempsec->SetTexture(sector_t::ceiling, tempsec->GetTexture(sector_t::floor), false);
tempsec->planes[sector_t::ceiling].xform = tempsec->planes[sector_t::floor].xform;
}
else
{
tempsec->SetTexture(sector_t::ceiling, diffTex ? s->GetTexture(sector_t::floor) : s->GetTexture(sector_t::ceiling), false);
tempsec->planes[sector_t::ceiling].xform = s->planes[sector_t::ceiling].xform;
}
if (!(s->MoreFlags & SECF_NOFAKELIGHT))
{
tempsec->lightlevel = s->lightlevel;
if (floorlightlevel != NULL)
{
*floorlightlevel = GetFloorLight (s);
}
if (ceilinglightlevel != NULL)
{
*ceilinglightlevel = GetCeilingLight (s);
}
}
FakeSide = FAKED_BelowFloor;
}
else if (heightsec && viewz >= heightsec->ceilingplane.ZatPoint (viewx, viewy) &&
orgceilz > refceilz && !(s->MoreFlags & SECF_FAKEFLOORONLY))
{ // Above-ceiling hack
tempsec->ceilingplane = s->ceilingplane;
tempsec->floorplane = s->ceilingplane;
tempsec->floorplane.FlipVert ();
tempsec->floorplane.ChangeHeight (+1);
tempsec->ColorMap = s->ColorMap;
tempsec->ColorMap = s->ColorMap;
tempsec->SetTexture(sector_t::ceiling, diffTex ? sec->GetTexture(sector_t::ceiling) : s->GetTexture(sector_t::ceiling), false);
tempsec->SetTexture(sector_t::floor, s->GetTexture(sector_t::ceiling), false);
tempsec->planes[sector_t::ceiling].xform = tempsec->planes[sector_t::floor].xform = s->planes[sector_t::ceiling].xform;
if (s->GetTexture(sector_t::floor) != skyflatnum)
{
tempsec->ceilingplane = sec->ceilingplane;
tempsec->SetTexture(sector_t::floor, s->GetTexture(sector_t::floor), false);
tempsec->planes[sector_t::floor].xform = s->planes[sector_t::floor].xform;
}
if (!(s->MoreFlags & SECF_NOFAKELIGHT))
{
tempsec->lightlevel = s->lightlevel;
if (floorlightlevel != NULL)
{
*floorlightlevel = GetFloorLight (s);
}
if (ceilinglightlevel != NULL)
{
*ceilinglightlevel = GetCeilingLight (s);
}
}
FakeSide = FAKED_AboveCeiling;
}
sec = tempsec; // Use other sector
}
return sec;
}
sector_t *R_FakeFlat(sector_t *sec, sector_t *tempsec,
int *floorlightlevel, int *ceilinglightlevel,
bool back)
{
// [ZDoomGL] - convenience, so you don't have to check for NULL before calling function
if (!sec)
{
return NULL;
}
// [RH] allow per-plane lighting
if (floorlightlevel != NULL)
{
*floorlightlevel = GetFloorLight (sec);
}
if (ceilinglightlevel != NULL)
{
*ceilinglightlevel = GetCeilingLight (sec);
}
FakeSide = FAKED_Center;
if (sec->heightsec && !(sec->heightsec->MoreFlags & SECF_IGNOREHEIGHTSEC))
{
const sector_t *s = sec->heightsec;
sector_t *heightsec = viewsector->heightsec;
bool underwater = r_fakingunderwater ||
(heightsec && viewz <= heightsec->floorplane.ZatPoint (viewx, viewy));
bool doorunderwater = false;
int diffTex = (s->MoreFlags & SECF_CLIPFAKEPLANES);
// Replace sector being drawn with a copy to be hacked
*tempsec = *sec;
// Replace floor and ceiling height with control sector's heights.
if (diffTex)
{
if (CopyPlaneIfValid (&tempsec->floorplane, &s->floorplane, &sec->ceilingplane))
{
tempsec->floorpic = s->floorpic;
}
else if (s->MoreFlags & SECF_FAKEFLOORONLY)
{
if (underwater)
{
tempsec->ColorMap = s->ColorMap;
if (!(s->MoreFlags & SECF_NOFAKELIGHT))
{
tempsec->lightlevel = s->lightlevel;
if (floorlightlevel != NULL)
{
*floorlightlevel = GetFloorLight (s);
}
if (ceilinglightlevel != NULL)
{
*ceilinglightlevel = GetCeilingLight (s);
}
}
FakeSide = FAKED_BelowFloor;
return tempsec;
}
return sec;
}
}
else
{
tempsec->floorplane = s->floorplane;
}
if (!(s->MoreFlags & SECF_FAKEFLOORONLY))
{
if (diffTex)
{
if (CopyPlaneIfValid (&tempsec->ceilingplane, &s->ceilingplane, &sec->floorplane))
{
tempsec->ceilingpic = s->ceilingpic;
}
}
else
{
tempsec->ceilingplane = s->ceilingplane;
}
}
// fixed_t refflorz = s->floorplane.ZatPoint (viewx, viewy);
fixed_t refceilz = s->ceilingplane.ZatPoint (viewx, viewy);
// fixed_t orgflorz = sec->floorplane.ZatPoint (viewx, viewy);
fixed_t orgceilz = sec->ceilingplane.ZatPoint (viewx, viewy);
#if 1
if ( OPENGL_GetCurrentRenderer( ) == RENDERER_SOFTWARE )
{
// [RH] Allow viewing underwater areas through doors/windows that
// are underwater but not in a water sector themselves.
// Only works if you cannot see the top surface of any deep water
// sectors at the same time.
if (back && !r_fakingunderwater && curline->frontsector->heightsec == NULL)
{
if (rw_frontcz1 <= s->floorplane.ZatPoint (curline->v1->x, curline->v1->y) &&
rw_frontcz2 <= s->floorplane.ZatPoint (curline->v2->x, curline->v2->y))
{
// Check that the window is actually visible
for (int z = WallSX1; z < WallSX2; ++z)
{
if (floorclip[z] > ceilingclip[z])
{
doorunderwater = true;
r_fakingunderwater = true;
break;
}
}
}
}
}
else
{
// have to do this a different way for the hardware engine...
}
#endif
if (underwater || doorunderwater)
{
tempsec->floorplane = sec->floorplane;
tempsec->ceilingplane = s->floorplane;
tempsec->ceilingplane.FlipVert ();
tempsec->ceilingplane.ChangeHeight (-1);
tempsec->ColorMap = s->ColorMap;
}
// killough 11/98: prevent sudden light changes from non-water sectors:
if ((underwater && !back) || doorunderwater)
{ // head-below-floor hack
tempsec->floorpic = diffTex ? sec->floorpic : s->floorpic;
tempsec->floor_xoffs = s->floor_xoffs;
tempsec->floor_yoffs = s->floor_yoffs;
tempsec->floor_xscale = s->floor_xscale;
tempsec->floor_yscale = s->floor_yscale;
tempsec->floor_angle = s->floor_angle;
tempsec->base_floor_angle = s->base_floor_angle;
tempsec->base_floor_yoffs = s->base_floor_yoffs;
tempsec->ceilingplane = s->floorplane;
tempsec->ceilingplane.FlipVert ();
tempsec->ceilingplane.ChangeHeight (-1);
if (s->ceilingpic == skyflatnum)
{
tempsec->floorplane = tempsec->ceilingplane;
tempsec->floorplane.FlipVert ();
tempsec->floorplane.ChangeHeight (+1);
tempsec->ceilingpic = tempsec->floorpic;
tempsec->ceiling_xoffs = tempsec->floor_xoffs;
tempsec->ceiling_yoffs = tempsec->floor_yoffs;
tempsec->ceiling_xscale = tempsec->floor_xscale;
tempsec->ceiling_yscale = tempsec->floor_yscale;
tempsec->ceiling_angle = tempsec->floor_angle;
tempsec->base_ceiling_angle = tempsec->base_floor_angle;
tempsec->base_ceiling_yoffs = tempsec->base_floor_yoffs;
}
else
{
tempsec->ceilingpic = diffTex ? s->floorpic : s->ceilingpic;
tempsec->ceiling_xoffs = s->ceiling_xoffs;
tempsec->ceiling_yoffs = s->ceiling_yoffs;
tempsec->ceiling_xscale = s->ceiling_xscale;
tempsec->ceiling_yscale = s->ceiling_yscale;
tempsec->ceiling_angle = s->ceiling_angle;
tempsec->base_ceiling_angle = s->base_ceiling_angle;
tempsec->base_ceiling_yoffs = s->base_ceiling_yoffs;
}
if (!(s->MoreFlags & SECF_NOFAKELIGHT))
{
tempsec->lightlevel = s->lightlevel;
if (floorlightlevel != NULL)
{
*floorlightlevel = GetFloorLight (s);
}
if (ceilinglightlevel != NULL)
{
*ceilinglightlevel = GetCeilingLight (s);
}
}
FakeSide = FAKED_BelowFloor;
}
else if (heightsec && viewz >= heightsec->ceilingplane.ZatPoint (viewx, viewy) &&
orgceilz > refceilz && !(s->MoreFlags & SECF_FAKEFLOORONLY))
{ // Above-ceiling hack
tempsec->ceilingplane = s->ceilingplane;
tempsec->floorplane = s->ceilingplane;
tempsec->floorplane.FlipVert ();
tempsec->floorplane.ChangeHeight (+1);
tempsec->ColorMap = s->ColorMap;
tempsec->ColorMap = s->ColorMap;
tempsec->ceilingpic = diffTex ? sec->ceilingpic : s->ceilingpic;
tempsec->floorpic = s->ceilingpic;
tempsec->floor_xoffs = tempsec->ceiling_xoffs = s->ceiling_xoffs;
tempsec->floor_yoffs = tempsec->ceiling_yoffs = s->ceiling_yoffs;
tempsec->floor_xscale = tempsec->ceiling_xscale = s->ceiling_xscale;
tempsec->floor_yscale = tempsec->ceiling_yscale = s->ceiling_yscale;
tempsec->floor_angle = tempsec->ceiling_angle = s->ceiling_angle;
tempsec->base_floor_angle = tempsec->base_ceiling_angle = s->base_ceiling_angle;
tempsec->base_floor_yoffs = tempsec->base_ceiling_yoffs = s->base_ceiling_yoffs;
if (s->floorpic != skyflatnum)
{
tempsec->ceilingplane = sec->ceilingplane;
tempsec->floorpic = s->floorpic;
tempsec->floor_xoffs = s->floor_xoffs;
tempsec->floor_yoffs = s->floor_yoffs;
tempsec->floor_xscale = s->floor_xscale;
tempsec->floor_yscale = s->floor_yscale;
tempsec->floor_angle = s->floor_angle;
}
if (!(s->MoreFlags & SECF_NOFAKELIGHT))
{
tempsec->lightlevel = s->lightlevel;
if (floorlightlevel != NULL)
{
*floorlightlevel = GetFloorLight (s);
}
if (ceilinglightlevel != NULL)
{
*ceilinglightlevel = GetCeilingLight (s);
}
}
FakeSide = FAKED_AboveCeiling;
}
sec = tempsec; // Use other sector
}
return sec;
}
