79a0f76801
This was done to make reviewing easier, again because it is virtually impossible to search for the operators in the code. Going through this revealed quite a few places where texture animations were on but shouldn't and even more places that did not check PASLVERS, although they were preparing some paletted rendering.
393 lines
11 KiB
C++
393 lines
11 KiB
C++
//
|
|
//---------------------------------------------------------------------------
|
|
//
|
|
// Copyright(C) 2002-2016 Christoph Oelckers
|
|
// All rights reserved.
|
|
//
|
|
// This program is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU Lesser General Public License as published by
|
|
// the Free Software Foundation, either version 3 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 Lesser General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU Lesser General Public License
|
|
// along with this program. If not, see http://www.gnu.org/licenses/
|
|
//
|
|
//--------------------------------------------------------------------------
|
|
//
|
|
|
|
#include "a_sharedglobal.h"
|
|
#include "r_sky.h"
|
|
#include "r_state.h"
|
|
#include "r_utility.h"
|
|
#include "doomdata.h"
|
|
#include "g_levellocals.h"
|
|
#include "p_lnspec.h"
|
|
#include "hwrenderer/scene/hw_drawinfo.h"
|
|
#include "hwrenderer/scene/hw_drawstructs.h"
|
|
#include "hwrenderer/scene/hw_portal.h"
|
|
#include "hwrenderer/utility/hw_lighting.h"
|
|
#include "hwrenderer/textures/hw_material.h"
|
|
|
|
CVAR(Bool,gl_noskyboxes, false, 0)
|
|
|
|
//==========================================================================
|
|
//
|
|
// Set up the skyinfo struct
|
|
//
|
|
//==========================================================================
|
|
|
|
void GLSkyInfo::init(int sky1, PalEntry FadeColor)
|
|
{
|
|
memset(this, 0, sizeof(*this));
|
|
if ((sky1 & PL_SKYFLAT) && (sky1 & (PL_SKYFLAT - 1)))
|
|
{
|
|
const line_t *l = &level.lines[(sky1&(PL_SKYFLAT - 1)) - 1];
|
|
const side_t *s = l->sidedef[0];
|
|
int pos;
|
|
|
|
if (level.flags & LEVEL_SWAPSKIES && s->GetTexture(side_t::bottom).isValid())
|
|
{
|
|
pos = side_t::bottom;
|
|
}
|
|
else
|
|
{
|
|
pos = side_t::top;
|
|
}
|
|
|
|
FTextureID texno = s->GetTexture(pos);
|
|
texture[0] = FMaterial::ValidateTexture(texno, false, true);
|
|
if (!texture[0] || !texture[0]->tex->isValid()) goto normalsky;
|
|
skytexno1 = texno;
|
|
x_offset[0] = s->GetTextureXOffset(pos) * (360.f/65536.f);
|
|
y_offset = s->GetTextureYOffset(pos);
|
|
mirrored = !l->args[2];
|
|
}
|
|
else
|
|
{
|
|
normalsky:
|
|
if (level.flags&LEVEL_DOUBLESKY)
|
|
{
|
|
texture[1] = FMaterial::ValidateTexture(sky1texture, false, true);
|
|
x_offset[1] = hw_sky1pos;
|
|
doublesky = true;
|
|
}
|
|
|
|
if ((level.flags&LEVEL_SWAPSKIES || (sky1 == PL_SKYFLAT) || (level.flags&LEVEL_DOUBLESKY)) &&
|
|
sky2texture != sky1texture) // If both skies are equal use the scroll offset of the first!
|
|
{
|
|
texture[0] = FMaterial::ValidateTexture(sky2texture, false, true);
|
|
skytexno1 = sky2texture;
|
|
sky2 = true;
|
|
x_offset[0] = hw_sky2pos;
|
|
}
|
|
else if (!doublesky)
|
|
{
|
|
texture[0] = FMaterial::ValidateTexture(sky1texture, false, true);
|
|
skytexno1 = sky1texture;
|
|
x_offset[0] = hw_sky1pos;
|
|
}
|
|
}
|
|
if (level.skyfog > 0)
|
|
{
|
|
fadecolor = FadeColor;
|
|
fadecolor.a = 0;
|
|
}
|
|
else fadecolor = 0;
|
|
|
|
}
|
|
|
|
|
|
//==========================================================================
|
|
//
|
|
// Calculate sky texture for ceiling or floor
|
|
//
|
|
//==========================================================================
|
|
|
|
void GLWall::SkyPlane(HWDrawInfo *di, 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 = &skyinfo;
|
|
PutPortal(di, ptype, plane);
|
|
}
|
|
else if (sportal != nullptr)
|
|
{
|
|
switch (sportal->mType)
|
|
{
|
|
case PORTS_STACKEDSECTORTHING:
|
|
case PORTS_PORTAL:
|
|
case PORTS_LINKEDPORTAL:
|
|
{
|
|
auto glport = sector->GetPortalGroup(plane);
|
|
if (glport != NULL)
|
|
{
|
|
if (sector->PortalBlocksView(plane)) return;
|
|
|
|
if (screen->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)
|
|
{
|
|
auto vpz = di->Viewpoint.Pos.Z;
|
|
if ((plane == sector_t::ceiling && vpz > sector->ceilingplane.fD()) ||
|
|
(plane == sector_t::floor && vpz < -sector->floorplane.fD())) return;
|
|
ptype = PORTALTYPE_PLANEMIRROR;
|
|
planemirror = plane == sector_t::ceiling ? §or->ceilingplane : §or->floorplane;
|
|
}
|
|
if (ptype != -1)
|
|
{
|
|
PutPortal(di, ptype, plane);
|
|
}
|
|
}
|
|
|
|
|
|
//==========================================================================
|
|
//
|
|
// Calculate sky texture for a line
|
|
//
|
|
//==========================================================================
|
|
|
|
void GLWall::SkyLine(HWDrawInfo *di, 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 = &skyinfo;
|
|
}
|
|
ztop[0] = zceil[0];
|
|
ztop[1] = zceil[1];
|
|
zbottom[0] = zfloor[0];
|
|
zbottom[1] = zfloor[1];
|
|
PutPortal(di, ptype, -1);
|
|
}
|
|
|
|
|
|
//==========================================================================
|
|
//
|
|
// Skies on one sided walls
|
|
//
|
|
//==========================================================================
|
|
|
|
void GLWall::SkyNormal(HWDrawInfo *di, sector_t * fs,vertex_t * v1,vertex_t * v2)
|
|
{
|
|
ztop[0]=ztop[1]=32768.0f;
|
|
zbottom[0]=zceil[0];
|
|
zbottom[1]=zceil[1];
|
|
SkyPlane(di, fs, sector_t::ceiling, true);
|
|
|
|
ztop[0]=zfloor[0];
|
|
ztop[1]=zfloor[1];
|
|
zbottom[0]=zbottom[1]=-32768.0f;
|
|
SkyPlane(di, fs, sector_t::floor, true);
|
|
}
|
|
|
|
//==========================================================================
|
|
//
|
|
// Upper Skies on two sided walls
|
|
//
|
|
//==========================================================================
|
|
|
|
void GLWall::SkyTop(HWDrawInfo *di, seg_t * seg,sector_t * fs,sector_t * bs,vertex_t * v1,vertex_t * v2)
|
|
{
|
|
if (fs->GetTexture(sector_t::ceiling)==skyflatnum)
|
|
{
|
|
if (bs->special == GLSector_NoSkyDraw) return;
|
|
if (bs->GetTexture(sector_t::ceiling)==skyflatnum)
|
|
{
|
|
// if the back sector is closed the sky must be drawn!
|
|
if (bs->ceilingplane.ZatPoint(v1) > bs->floorplane.ZatPoint(v1) ||
|
|
bs->ceilingplane.ZatPoint(v2) > bs->floorplane.ZatPoint(v2) || bs->transdoor)
|
|
return;
|
|
|
|
// one more check for some ugly transparent door hacks
|
|
if (!bs->floorplane.isSlope() && !fs->floorplane.isSlope())
|
|
{
|
|
if (bs->GetPlaneTexZ(sector_t::floor)==fs->GetPlaneTexZ(sector_t::floor)+1.)
|
|
{
|
|
FTexture * tex = TexMan.GetTexture(seg->sidedef->GetTexture(side_t::bottom), true);
|
|
if (!tex || !tex->isValid()) return;
|
|
|
|
// very, very, very ugly special case (See Icarus MAP14)
|
|
// It is VERY important that this is only done for a floor height difference of 1
|
|
// or it will cause glitches elsewhere.
|
|
tex = TexMan.GetTexture(seg->sidedef->GetTexture(side_t::mid), true);
|
|
if (tex != NULL && !(seg->linedef->flags & ML_DONTPEGTOP) &&
|
|
seg->sidedef->GetTextureYOffset(side_t::mid) > 0)
|
|
{
|
|
ztop[0]=ztop[1]=32768.0f;
|
|
zbottom[0]=zbottom[1]=
|
|
bs->ceilingplane.ZatPoint(v2) + seg->sidedef->GetTextureYOffset(side_t::mid);
|
|
SkyPlane(di, fs, sector_t::ceiling, false);
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
ztop[0]=ztop[1]=32768.0f;
|
|
|
|
FTexture * tex = TexMan.GetTexture(seg->sidedef->GetTexture(side_t::top), true);
|
|
if (bs->GetTexture(sector_t::ceiling) != skyflatnum)
|
|
|
|
{
|
|
zbottom[0]=zceil[0];
|
|
zbottom[1]=zceil[1];
|
|
}
|
|
else
|
|
{
|
|
zbottom[0] = bs->ceilingplane.ZatPoint(v1);
|
|
zbottom[1] = bs->ceilingplane.ZatPoint(v2);
|
|
flags|=GLWF_SKYHACK; // mid textures on such lines need special treatment!
|
|
}
|
|
}
|
|
else
|
|
{
|
|
float frontreflect = fs->GetReflect(sector_t::ceiling);
|
|
if (frontreflect > 0)
|
|
{
|
|
float backreflect = bs->GetReflect(sector_t::ceiling);
|
|
if (backreflect > 0 && bs->ceilingplane.fD() == fs->ceilingplane.fD() && !bs->isClosed())
|
|
{
|
|
// Don't add intra-portal line to the portal.
|
|
return;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
int type = fs->GetPortalType(sector_t::ceiling);
|
|
if (type == PORTS_STACKEDSECTORTHING || type == PORTS_PORTAL || type == PORTS_LINKEDPORTAL)
|
|
{
|
|
auto pfront = fs->GetPortalGroup(sector_t::ceiling);
|
|
auto pback = bs->GetPortalGroup(sector_t::ceiling);
|
|
if (pfront == NULL || fs->PortalBlocksView(sector_t::ceiling)) return;
|
|
if (pfront == pback && !bs->PortalBlocksView(sector_t::ceiling)) return;
|
|
}
|
|
}
|
|
|
|
// stacked sectors
|
|
ztop[0] = ztop[1] = 32768.0f;
|
|
zbottom[0] = fs->ceilingplane.ZatPoint(v1);
|
|
zbottom[1] = fs->ceilingplane.ZatPoint(v2);
|
|
|
|
}
|
|
|
|
SkyPlane(di, fs, sector_t::ceiling, true);
|
|
}
|
|
|
|
|
|
//==========================================================================
|
|
//
|
|
// Lower Skies on two sided walls
|
|
//
|
|
//==========================================================================
|
|
|
|
void GLWall::SkyBottom(HWDrawInfo *di, seg_t * seg,sector_t * fs,sector_t * bs,vertex_t * v1,vertex_t * v2)
|
|
{
|
|
if (fs->GetTexture(sector_t::floor)==skyflatnum)
|
|
{
|
|
if (bs->special == GLSector_NoSkyDraw) return;
|
|
FTexture * tex = TexMan.GetTexture(seg->sidedef->GetTexture(side_t::bottom), true);
|
|
|
|
// For lower skies the normal logic only applies to walls with no lower texture.
|
|
if (!tex->isValid())
|
|
{
|
|
if (bs->GetTexture(sector_t::floor)==skyflatnum)
|
|
{
|
|
// if the back sector is closed the sky must be drawn!
|
|
if (bs->ceilingplane.ZatPoint(v1) > bs->floorplane.ZatPoint(v1) ||
|
|
bs->ceilingplane.ZatPoint(v2) > bs->floorplane.ZatPoint(v2))
|
|
return;
|
|
|
|
}
|
|
else
|
|
{
|
|
// Special hack for Vrack2b
|
|
if (bs->floorplane.ZatPoint(di->Viewpoint.Pos) > di->Viewpoint.Pos.Z) return;
|
|
}
|
|
}
|
|
zbottom[0]=zbottom[1]=-32768.0f;
|
|
|
|
if ((tex && !tex->isValid()) || bs->GetTexture(sector_t::floor)!=skyflatnum)
|
|
{
|
|
ztop[0]=zfloor[0];
|
|
ztop[1]=zfloor[1];
|
|
}
|
|
else
|
|
{
|
|
ztop[0] = bs->floorplane.ZatPoint(v1);
|
|
ztop[1] = bs->floorplane.ZatPoint(v2);
|
|
flags|=GLWF_SKYHACK; // mid textures on such lines need special treatment!
|
|
}
|
|
}
|
|
else
|
|
{
|
|
float frontreflect = fs->GetReflect(sector_t::floor);
|
|
if (frontreflect > 0)
|
|
{
|
|
float backreflect = bs->GetReflect(sector_t::floor);
|
|
if (backreflect > 0 && bs->floorplane.fD() == fs->floorplane.fD() && !bs->isClosed())
|
|
{
|
|
// Don't add intra-portal line to the portal.
|
|
return;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
int type = fs->GetPortalType(sector_t::floor);
|
|
if (type == PORTS_STACKEDSECTORTHING || type == PORTS_PORTAL || type == PORTS_LINKEDPORTAL)
|
|
{
|
|
auto pfront = fs->GetPortalGroup(sector_t::floor);
|
|
auto pback = bs->GetPortalGroup(sector_t::floor);
|
|
if (pfront == NULL || fs->PortalBlocksView(sector_t::floor)) return;
|
|
if (pfront == pback && !bs->PortalBlocksView(sector_t::floor)) return;
|
|
}
|
|
}
|
|
|
|
// stacked sectors
|
|
zbottom[0]=zbottom[1]=-32768.0f;
|
|
ztop[0] = fs->floorplane.ZatPoint(v1);
|
|
ztop[1] = fs->floorplane.ZatPoint(v2);
|
|
}
|
|
|
|
SkyPlane(di, fs, sector_t::floor, true);
|
|
}
|
|
|