void GLWall::SkyLine(sector_t *fs, line_t *line)
{
FSectorPortal *secport = line->GetTransferredPortal();
GLSkyInfo skyinfo;
int ptype;
// JUSTHIT is used as an indicator that a skybox is in use.
// This is to avoid recursion
if (!gl_noskyboxes && secport && (secport->mSkybox == nullptr || !(secport->mFlags & PORTSF_INSKYBOX)))
{
ptype = PORTALTYPE_SKYBOX;
secportal = secport;
}
else
{
skyinfo.init(fs->sky, Colormap.FadeColor);
ptype = PORTALTYPE_SKY;
sky = UniqueSkies.Get(&skyinfo);
}
ztop[0] = zceil[0];
ztop[1] = zceil[1];
zbottom[0] = zfloor[0];
zbottom[1] = zfloor[1];
PutPortal(ptype);
}
void GLWall::SkyPlane(sector_t *sector, int plane, bool allowreflect)
{
int ptype = -1;
FSectorPortal *sportal = sector->ValidatePortal(plane);
if (sportal != nullptr && sportal->mFlags & PORTSF_INSKYBOX) sportal = nullptr; // no recursions, delete it here to simplify the following code
// Either a regular sky or a skybox with skyboxes disabled
if ((sportal == nullptr && sector->GetTexture(plane) == skyflatnum) || (gl_noskyboxes && sportal != nullptr && sportal->mType == PORTS_SKYVIEWPOINT))
{
GLSkyInfo skyinfo;
skyinfo.init(sector->sky, Colormap.FadeColor);
ptype = PORTALTYPE_SKY;
sky = UniqueSkies.Get(&skyinfo);
}
else if (sportal != nullptr)
{
switch (sportal->mType)
{
case PORTS_STACKEDSECTORTHING:
case PORTS_PORTAL:
case PORTS_LINKEDPORTAL:
{
FPortal *glport = sector->GetGLPortal(plane);
if (glport != NULL)
{
if (sector->PortalBlocksView(plane)) return;
if (GLPortal::instack[1 - plane]) return;
ptype = PORTALTYPE_SECTORSTACK;
portal = glport;
}
break;
}
case PORTS_SKYVIEWPOINT:
case PORTS_HORIZON:
case PORTS_PLANE:
ptype = PORTALTYPE_SKYBOX;
secportal = sportal;
break;
}
}
else if (allowreflect && sector->GetReflect(plane) > 0)
{
if ((plane == sector_t::ceiling && ViewPos.Z > sector->ceilingplane.fD()) ||
(plane == sector_t::floor && ViewPos.Z < -sector->floorplane.fD())) return;
ptype = PORTALTYPE_PLANEMIRROR;
planemirror = plane == sector_t::ceiling ? §or->ceilingplane : §or->floorplane;
}
if (ptype != -1)
{
PutPortal(ptype);
}
}
void GLEEHorizonPortal::DrawContents()
{
PortalAll.Clock();
sector_t *sector = portal->mOrigin;
if (sector->GetTexture(sector_t::floor) == skyflatnum ||
sector->GetTexture(sector_t::ceiling) == skyflatnum)
{
GLSkyInfo skyinfo;
skyinfo.init(sector->sky, 0);
GLSkyPortal sky(&skyinfo, true);
sky.DrawContents();
}
if (sector->GetTexture(sector_t::ceiling) != skyflatnum)
{
GLHorizonInfo horz;
horz.plane.GetFromSector(sector, true);
horz.lightlevel = gl_ClampLight(sector->GetCeilingLight());
horz.colormap = sector->ColorMap;
if (portal->mType == PORTS_PLANE)
{
horz.plane.Texheight = ViewPos.Z + fabs(horz.plane.Texheight);
}
GLHorizonPortal ceil(&horz, true);
ceil.DrawContents();
}
if (sector->GetTexture(sector_t::floor) != skyflatnum)
{
GLHorizonInfo horz;
horz.plane.GetFromSector(sector, false);
horz.lightlevel = gl_ClampLight(sector->GetFloorLight());
horz.colormap = sector->ColorMap;
if (portal->mType == PORTS_PLANE)
{
horz.plane.Texheight = ViewPos.Z - fabs(horz.plane.Texheight);
}
GLHorizonPortal floor(&horz, true);
floor.DrawContents();
}
}
void HWEEHorizonPortal::DrawContents(HWDrawInfo *di, FRenderState &state)
{
auto &vp = di->Viewpoint;
sector_t *sector = portal->mOrigin;
if (sector->GetTexture(sector_t::floor) == skyflatnum ||
sector->GetTexture(sector_t::ceiling) == skyflatnum)
{
GLSkyInfo skyinfo;
skyinfo.init(di, sector->sky, 0);
HWSkyPortal sky(screen->mSkyData, mState, &skyinfo, true);
sky.DrawContents(di, state);
}
if (sector->GetTexture(sector_t::ceiling) != skyflatnum)
{
GLHorizonInfo horz;
horz.plane.GetFromSector(sector, sector_t::ceiling);
horz.lightlevel = hw_ClampLight(sector->GetCeilingLight());
horz.colormap = sector->Colormap;
horz.specialcolor = 0xffffffff;
if (portal->mType == PORTS_PLANE)
{
horz.plane.Texheight = vp.Pos.Z + fabs(horz.plane.Texheight);
}
HWHorizonPortal ceil(mState, &horz, di->Viewpoint, true);
ceil.DrawContents(di, state);
}
if (sector->GetTexture(sector_t::floor) != skyflatnum)
{
GLHorizonInfo horz;
horz.plane.GetFromSector(sector, sector_t::floor);
horz.lightlevel = hw_ClampLight(sector->GetFloorLight());
horz.colormap = sector->Colormap;
horz.specialcolor = 0xffffffff;
if (portal->mType == PORTS_PLANE)
{
horz.plane.Texheight = vp.Pos.Z - fabs(horz.plane.Texheight);
}
HWHorizonPortal floor(mState, &horz, di->Viewpoint, true);
floor.DrawContents(di, state);
}
}
