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Move classes in r_visiblesprite to their own files

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This commit is contained in:
Magnus Norddahl 2017-01-11 19:50:07 +01:00
parent 32b91dd978
commit 6f1836b68b
13 changed files with 870 additions and 747 deletions
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2
src/CMakeLists.txt
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@ -848,6 +848,7 @@ set( FASTMATH_PCH_SOURCES
swrenderer/scene/r_3dfloors.cpp
swrenderer/scene/r_bsp.cpp
swrenderer/scene/r_portal.cpp
swrenderer/scene/r_translucent.cpp
swrenderer/line/r_line.cpp
swrenderer/line/r_walldraw.cpp
swrenderer/line/r_wallsetup.cpp
@ -856,6 +857,7 @@ set( FASTMATH_PCH_SOURCES
swrenderer/segments/r_drawsegment.cpp
swrenderer/segments/r_portalsegment.cpp
swrenderer/things/r_visiblesprite.cpp
swrenderer/things/r_visiblespritelist.cpp
swrenderer/things/r_voxel.cpp
swrenderer/things/r_particle.cpp
swrenderer/things/r_playersprite.cpp

1
src/swrenderer/r_main.cpp
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@ -43,6 +43,7 @@
#include "segments/r_clipsegment.h"
#include "scene/r_3dfloors.h"
#include "scene/r_portal.h"
#include "scene/r_translucent.h"
#include "r_sky.h"
#include "drawers/r_draw_rgba.h"
#include "st_stuff.h"

1
src/swrenderer/scene/r_portal.cpp
View file

@ -50,6 +50,7 @@
#include "swrenderer/plane/r_visibleplane.h"
#include "swrenderer/things/r_visiblesprite.h"
#include "swrenderer/scene/r_bsp.h"
#include "swrenderer/scene/r_translucent.h"
#include "swrenderer/r_main.h"
#include "swrenderer/r_memory.h"

616
src/swrenderer/scene/r_translucent.cpp Normal file
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@ -0,0 +1,616 @@
//
// 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.
//
#include <stdio.h>
#include <stdlib.h>
#include <algorithm>
#include "p_lnspec.h"
#include "templates.h"
#include "doomdef.h"
#include "m_swap.h"
#include "i_system.h"
#include "w_wad.h"
#include "g_levellocals.h"
#include "p_maputl.h"
#include "swrenderer/r_main.h"
#include "swrenderer/things/r_visiblesprite.h"
#include "swrenderer/things/r_visiblespritelist.h"
#include "swrenderer/things/r_voxel.h"
#include "swrenderer/things/r_particle.h"
#include "swrenderer/things/r_sprite.h"
#include "swrenderer/things/r_wallsprite.h"
#include "swrenderer/things/r_playersprite.h"
#include "swrenderer/segments/r_drawsegment.h"
#include "swrenderer/scene/r_portal.h"
#include "swrenderer/scene/r_translucent.h"
#include "swrenderer/plane/r_visibleplane.h"
#include "swrenderer/r_memory.h"
EXTERN_CVAR(Int, r_drawfuzz)
EXTERN_CVAR(Bool, r_drawvoxels)
EXTERN_CVAR(Bool, r_blendmethod)
CVAR(Bool, r_fullbrightignoresectorcolor, true, CVAR_ARCHIVE | CVAR_GLOBALCONFIG);
namespace swrenderer
{
bool RenderTranslucent::DrewAVoxel;
TArray<drawseg_t *> RenderTranslucent::portaldrawsegs;
void RenderTranslucent::Deinit()
{
VisibleSpriteList::Deinit();
SortedVisibleSpriteList::Deinit();
RenderVoxel::Deinit();
}
void RenderTranslucent::Clear()
{
VisibleSpriteList::Clear();
DrewAVoxel = false;
}
void RenderTranslucent::CollectPortals()
{
// This function collects all drawsegs that may be of interest to R_ClipSpriteColumnWithPortals
// Having that function over the entire list of drawsegs can break down performance quite drastically.
// This is doing the costly stuff only once so that R_ClipSpriteColumnWithPortals can
// a) exit early if no relevant info is found and
// b) skip most of the collected drawsegs which have no portal attached.
portaldrawsegs.Clear();
for (drawseg_t* seg = ds_p; seg-- > firstdrawseg; ) // copied code from killough below
{
// I don't know what makes this happen (some old top-down portal code or possibly skybox code? something adds null lines...)
// crashes at the first frame of the first map of Action2.wad
if (!seg->curline) continue;
line_t* line = seg->curline->linedef;
// ignore minisegs from GL nodes.
if (!line) continue;
// check if this line will clip sprites to itself
if (!line->isVisualPortal() && line->special != Line_Mirror)
continue;
// don't clip sprites with portal's back side (it's transparent)
if (seg->curline->sidedef != line->sidedef[0])
continue;
portaldrawsegs.Push(seg);
}
}
bool RenderTranslucent::ClipSpriteColumnWithPortals(int x, vissprite_t* spr)
{
RenderPortal *renderportal = RenderPortal::Instance();
// [ZZ] 10.01.2016: don't clip sprites from the root of a skybox.
if (renderportal->CurrentPortalInSkybox)
return false;
for (drawseg_t *seg : portaldrawsegs)
{
// ignore segs from other portals
if (seg->CurrentPortalUniq != renderportal->CurrentPortalUniq)
continue;
// (all checks that are already done in R_CollectPortals have been removed for performance reasons.)
// don't clip if the sprite is in front of the portal
if (!P_PointOnLineSidePrecise(spr->gpos.X, spr->gpos.Y, seg->curline->linedef))
continue;
// now if current column is covered by this drawseg, we clip it away
if ((x >= seg->x1) && (x < seg->x2))
return true;
}
return false;
}
void RenderTranslucent::DrawSprite(vissprite_t *spr)
{
static short clipbot[MAXWIDTH];
static short cliptop[MAXWIDTH];
drawseg_t *ds;
int i;
int x1, x2;
int r1, r2;
short topclip, botclip;
short *clip1, *clip2;
FSWColormap *colormap = spr->Style.BaseColormap;
int colormapnum = spr->Style.ColormapNum;
F3DFloor *rover;
FDynamicColormap *mybasecolormap;
Clip3DFloors *clip3d = Clip3DFloors::Instance();
// [RH] Check for particles
if (!spr->bIsVoxel && spr->pic == nullptr)
{
// kg3D - reject invisible parts
if ((clip3d->fake3D & FAKE3D_CLIPBOTTOM) && spr->gpos.Z <= clip3d->sclipBottom) return;
if ((clip3d->fake3D & FAKE3D_CLIPTOP) && spr->gpos.Z >= clip3d->sclipTop) return;
RenderParticle::Render(spr);
return;
}
x1 = spr->x1;
x2 = spr->x2;
// [RH] Quickly reject sprites with bad x ranges.
if (x1 >= x2)
return;
// [RH] Sprites split behind a one-sided line can also be discarded.
if (spr->sector == nullptr)
return;
// kg3D - reject invisible parts
if ((clip3d->fake3D & FAKE3D_CLIPBOTTOM) && spr->gzt <= clip3d->sclipBottom) return;
if ((clip3d->fake3D & FAKE3D_CLIPTOP) && spr->gzb >= clip3d->sclipTop) return;
// kg3D - correct colors now
if (!fixedcolormap && fixedlightlev < 0 && spr->sector->e && spr->sector->e->XFloor.lightlist.Size())
{
if (!(clip3d->fake3D & FAKE3D_CLIPTOP))
{
clip3d->sclipTop = spr->sector->ceilingplane.ZatPoint(ViewPos);
}
sector_t *sec = nullptr;
for (i = spr->sector->e->XFloor.lightlist.Size() - 1; i >= 0; i--)
{
if (clip3d->sclipTop <= spr->sector->e->XFloor.lightlist[i].plane.Zat0())
{
rover = spr->sector->e->XFloor.lightlist[i].caster;
if (rover)
{
if (rover->flags & FF_DOUBLESHADOW && clip3d->sclipTop <= rover->bottom.plane->Zat0())
{
break;
}
sec = rover->model;
if (rover->flags & FF_FADEWALLS)
{
mybasecolormap = sec->ColorMap;
}
else
{
mybasecolormap = spr->sector->e->XFloor.lightlist[i].extra_colormap;
}
}
break;
}
}
// found new values, recalculate
if (sec)
{
INTBOOL invertcolormap = (spr->Style.RenderStyle.Flags & STYLEF_InvertOverlay);
if (spr->Style.RenderStyle.Flags & STYLEF_InvertSource)
{
invertcolormap = !invertcolormap;
}
// Sprites that are added to the scene must fade to black.
if (spr->Style.RenderStyle == LegacyRenderStyles[STYLE_Add] && mybasecolormap->Fade != 0)
{
mybasecolormap = GetSpecialLights(mybasecolormap->Color, 0, mybasecolormap->Desaturate);
}
if (spr->Style.RenderStyle.Flags & STYLEF_FadeToBlack)
{
if (invertcolormap)
{ // Fade to white
mybasecolormap = GetSpecialLights(mybasecolormap->Color, MAKERGB(255, 255, 255), mybasecolormap->Desaturate);
invertcolormap = false;
}
else
{ // Fade to black
mybasecolormap = GetSpecialLights(mybasecolormap->Color, MAKERGB(0, 0, 0), mybasecolormap->Desaturate);
}
}
// get light level
if (invertcolormap)
{
mybasecolormap = GetSpecialLights(mybasecolormap->Color, mybasecolormap->Fade.InverseColor(), mybasecolormap->Desaturate);
}
if (fixedlightlev >= 0)
{
spr->Style.BaseColormap = mybasecolormap;
spr->Style.ColormapNum = fixedlightlev >> COLORMAPSHIFT;
}
else if (!foggy && (spr->renderflags & RF_FULLBRIGHT))
{ // full bright
spr->Style.BaseColormap = (r_fullbrightignoresectorcolor) ? &FullNormalLight : mybasecolormap;
spr->Style.ColormapNum = 0;
}
else
{ // diminished light
int spriteshade = LIGHT2SHADE(sec->lightlevel + r_actualextralight);
spr->Style.BaseColormap = mybasecolormap;
spr->Style.ColormapNum = GETPALOOKUP(r_SpriteVisibility / MAX(MINZ, (double)spr->depth), spriteshade);
}
}
}
// [RH] Initialize the clipping arrays to their largest possible range
// instead of using a special "not clipped" value. This eliminates
// visual anomalies when looking down and should be faster, too.
topclip = 0;
botclip = viewheight;
// killough 3/27/98:
// Clip the sprite against deep water and/or fake ceilings.
// [RH] rewrote this to be based on which part of the sector is really visible
double scale = InvZtoScale * spr->idepth;
double hzb = DBL_MIN, hzt = DBL_MAX;
if (spr->bIsVoxel && spr->floorclip != 0)
{
hzb = spr->gzb;
}
if (spr->heightsec && !(spr->heightsec->MoreFlags & SECF_IGNOREHEIGHTSEC))
{ // only things in specially marked sectors
if (spr->FakeFlatStat != WaterFakeSide::AboveCeiling)
{
double hz = spr->heightsec->floorplane.ZatPoint(spr->gpos);
int h = xs_RoundToInt(CenterY - (hz - ViewPos.Z) * scale);
if (spr->FakeFlatStat == WaterFakeSide::BelowFloor)
{ // seen below floor: clip top
if (!spr->bIsVoxel && h > topclip)
{
topclip = short(MIN(h, viewheight));
}
hzt = MIN(hzt, hz);
}
else
{ // seen in the middle: clip bottom
if (!spr->bIsVoxel && h < botclip)
{
botclip = MAX<short>(0, h);
}
hzb = MAX(hzb, hz);
}
}
if (spr->FakeFlatStat != WaterFakeSide::BelowFloor && !(spr->heightsec->MoreFlags & SECF_FAKEFLOORONLY))
{
double hz = spr->heightsec->ceilingplane.ZatPoint(spr->gpos);
int h = xs_RoundToInt(CenterY - (hz - ViewPos.Z) * scale);
if (spr->FakeFlatStat == WaterFakeSide::AboveCeiling)
{ // seen above ceiling: clip bottom
if (!spr->bIsVoxel && h < botclip)
{
botclip = MAX<short>(0, h);
}
hzb = MAX(hzb, hz);
}
else
{ // seen in the middle: clip top
if (!spr->bIsVoxel && h > topclip)
{
topclip = MIN(h, viewheight);
}
hzt = MIN(hzt, hz);
}
}
}
// killough 3/27/98: end special clipping for deep water / fake ceilings
else if (!spr->bIsVoxel && spr->floorclip)
{ // [RH] Move floorclip stuff from R_DrawVisSprite to here
//int clip = ((FLOAT2FIXED(CenterY) - FixedMul (spr->texturemid - (spr->pic->GetHeight() << FRACBITS) + spr->floorclip, spr->yscale)) >> FRACBITS);
int clip = xs_RoundToInt(CenterY - (spr->texturemid - spr->pic->GetHeight() + spr->floorclip) * spr->yscale);
if (clip < botclip)
{
botclip = MAX<short>(0, clip);
}
}
if (clip3d->fake3D & FAKE3D_CLIPBOTTOM)
{
if (!spr->bIsVoxel)
{
double hz = clip3d->sclipBottom;
if (spr->fakefloor)
{
double floorz = spr->fakefloor->top.plane->Zat0();
if (ViewPos.Z > floorz && floorz == clip3d->sclipBottom)
{
hz = spr->fakefloor->bottom.plane->Zat0();
}
}
int h = xs_RoundToInt(CenterY - (hz - ViewPos.Z) * scale);
if (h < botclip)
{
botclip = MAX<short>(0, h);
}
}
hzb = MAX(hzb, clip3d->sclipBottom);
}
if (clip3d->fake3D & FAKE3D_CLIPTOP)
{
if (!spr->bIsVoxel)
{
double hz = clip3d->sclipTop;
if (spr->fakeceiling != nullptr)
{
double ceilingZ = spr->fakeceiling->bottom.plane->Zat0();
if (ViewPos.Z < ceilingZ && ceilingZ == clip3d->sclipTop)
{
hz = spr->fakeceiling->top.plane->Zat0();
}
}
int h = xs_RoundToInt(CenterY - (hz - ViewPos.Z) * scale);
if (h > topclip)
{
topclip = short(MIN(h, viewheight));
}
}
hzt = MIN(hzt, clip3d->sclipTop);
}
if (topclip >= botclip)
{
spr->Style.BaseColormap = colormap;
spr->Style.ColormapNum = colormapnum;
return;
}
i = x2 - x1;
clip1 = clipbot + x1;
clip2 = cliptop + x1;
do
{
*clip1++ = botclip;
*clip2++ = topclip;
} while (--i);
// Scan drawsegs from end to start for obscuring segs.
// The first drawseg that is closer than the sprite is the clip seg.
// Modified by Lee Killough:
// (pointer check was originally nonportable
// and buggy, by going past LEFT end of array):
// for (ds=ds_p-1 ; ds >= drawsegs ; ds--) old buggy code
for (ds = ds_p; ds-- > firstdrawseg; ) // new -- killough
{
// [ZZ] portal handling here
//if (ds->CurrentPortalUniq != spr->CurrentPortalUniq)
// continue;
// [ZZ] WARNING: uncommenting the two above lines, totally breaks sprite clipping
// kg3D - no clipping on fake segs
if (ds->fake) continue;
// determine if the drawseg obscures the sprite
if (ds->x1 >= x2 || ds->x2 <= x1 ||
(!(ds->silhouette & SIL_BOTH) && ds->maskedtexturecol == -1 &&
!ds->bFogBoundary))
{
// does not cover sprite
continue;
}
r1 = MAX<int>(ds->x1, x1);
r2 = MIN<int>(ds->x2, x2);
float neardepth, fardepth;
if (!spr->bWallSprite)
{
if (ds->sz1 < ds->sz2)
{
neardepth = ds->sz1, fardepth = ds->sz2;
}
else
{
neardepth = ds->sz2, fardepth = ds->sz1;
}
}
// Check if sprite is in front of draw seg:
if ((!spr->bWallSprite && neardepth > spr->depth) || ((spr->bWallSprite || fardepth > spr->depth) &&
(spr->gpos.Y - ds->curline->v1->fY()) * (ds->curline->v2->fX() - ds->curline->v1->fX()) -
(spr->gpos.X - ds->curline->v1->fX()) * (ds->curline->v2->fY() - ds->curline->v1->fY()) <= 0))
{
RenderPortal *renderportal = RenderPortal::Instance();
// seg is behind sprite, so draw the mid texture if it has one
if (ds->CurrentPortalUniq == renderportal->CurrentPortalUniq && // [ZZ] instead, portal uniq check is made here
(ds->maskedtexturecol != -1 || ds->bFogBoundary))
R_RenderMaskedSegRange(ds, r1, r2);
continue;
}
// clip this piece of the sprite
// killough 3/27/98: optimized and made much shorter
// [RH] Optimized further (at least for VC++;
// other compilers should be at least as good as before)
if (ds->silhouette & SIL_BOTTOM) //bottom sil
{
clip1 = clipbot + r1;
clip2 = openings + ds->sprbottomclip + r1 - ds->x1;
i = r2 - r1;
do
{
if (*clip1 > *clip2)
*clip1 = *clip2;
clip1++;
clip2++;
} while (--i);
}
if (ds->silhouette & SIL_TOP) // top sil
{
clip1 = cliptop + r1;
clip2 = openings + ds->sprtopclip + r1 - ds->x1;
i = r2 - r1;
do
{
if (*clip1 < *clip2)
*clip1 = *clip2;
clip1++;
clip2++;
} while (--i);
}
}
// all clipping has been performed, so draw the sprite
if (!spr->bIsVoxel)
{
if (!spr->bWallSprite)
{
RenderSprite::Render(spr, clipbot, cliptop);
}
else
{
RenderWallSprite::Render(spr, clipbot, cliptop);
}
}
else
{
// If it is completely clipped away, don't bother drawing it.
if (cliptop[x2] >= clipbot[x2])
{
for (i = x1; i < x2; ++i)
{
if (cliptop[i] < clipbot[i])
{
break;
}
}
if (i == x2)
{
spr->Style.BaseColormap = colormap;
spr->Style.ColormapNum = colormapnum;
return;
}
}
// Add everything outside the left and right edges to the clipping array
// for R_DrawVisVoxel().
if (x1 > 0)
{
fillshort(cliptop, x1, viewheight);
}
if (x2 < viewwidth - 1)
{
fillshort(cliptop + x2, viewwidth - x2, viewheight);
}
int minvoxely = spr->gzt <= hzt ? 0 : xs_RoundToInt((spr->gzt - hzt) / spr->yscale);
int maxvoxely = spr->gzb > hzb ? INT_MAX : xs_RoundToInt((spr->gzt - hzb) / spr->yscale);
RenderVoxel::Render(spr, minvoxely, maxvoxely, cliptop, clipbot);
}
spr->Style.BaseColormap = colormap;
spr->Style.ColormapNum = colormapnum;
}
void RenderTranslucent::DrawMaskedSingle(bool renew)
{
RenderPortal *renderportal = RenderPortal::Instance();
for (int i = SortedVisibleSpriteList::vsprcount; i > 0; i--)
{
if (SortedVisibleSpriteList::spritesorter[i - 1]->CurrentPortalUniq != renderportal->CurrentPortalUniq)
continue; // probably another time
DrawSprite(SortedVisibleSpriteList::spritesorter[i - 1]);
}
// render any remaining masked mid textures
// Modified by Lee Killough:
// (pointer check was originally nonportable
// and buggy, by going past LEFT end of array):
// for (ds=ds_p-1 ; ds >= drawsegs ; ds--) old buggy code
if (renew)
{
Clip3DFloors::Instance()->fake3D |= FAKE3D_REFRESHCLIP;
}
for (drawseg_t *ds = ds_p; ds-- > firstdrawseg; ) // new -- killough
{
// [ZZ] the same as above
if (ds->CurrentPortalUniq != renderportal->CurrentPortalUniq)
continue;
// kg3D - no fake segs
if (ds->fake) continue;
if (ds->maskedtexturecol != -1 || ds->bFogBoundary)
{
R_RenderMaskedSegRange(ds, ds->x1, ds->x2);
}
}
}
void RenderTranslucent::Render()
{
CollectPortals();
SortedVisibleSpriteList::Sort(DrewAVoxel ? SortedVisibleSpriteList::sv_compare2d : SortedVisibleSpriteList::sv_compare, VisibleSpriteList::firstvissprite - VisibleSpriteList::vissprites);
Clip3DFloors *clip3d = Clip3DFloors::Instance();
if (clip3d->height_top == nullptr)
{ // kg3D - no visible 3D floors, normal rendering
DrawMaskedSingle(false);
}
else
{ // kg3D - correct sorting
// ceilings
for (HeightLevel *hl = clip3d->height_cur; hl != nullptr && hl->height >= ViewPos.Z; hl = hl->prev)
{
if (hl->next)
{
clip3d->fake3D = FAKE3D_CLIPBOTTOM | FAKE3D_CLIPTOP;
clip3d->sclipTop = hl->next->height;
}
else
{
clip3d->fake3D = FAKE3D_CLIPBOTTOM;
}
clip3d->sclipBottom = hl->height;
DrawMaskedSingle(true);
R_DrawHeightPlanes(hl->height);
}
// floors
clip3d->fake3D = FAKE3D_DOWN2UP | FAKE3D_CLIPTOP;
clip3d->sclipTop = clip3d->height_top->height;
DrawMaskedSingle(true);
for (HeightLevel *hl = clip3d->height_top; hl != nullptr && hl->height < ViewPos.Z; hl = hl->next)
{
R_DrawHeightPlanes(hl->height);
if (hl->next)
{
clip3d->fake3D = FAKE3D_DOWN2UP | FAKE3D_CLIPTOP | FAKE3D_CLIPBOTTOM;
clip3d->sclipTop = hl->next->height;
}
else
{
clip3d->fake3D = FAKE3D_DOWN2UP | FAKE3D_CLIPBOTTOM;
}
clip3d->sclipBottom = hl->height;
DrawMaskedSingle(true);
}
clip3d->DeleteHeights();
clip3d->fake3D = 0;
}
RenderPlayerSprite::RenderPlayerSprites();
}
}

46
src/swrenderer/scene/r_translucent.h Normal file
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@ -0,0 +1,46 @@
//
// 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.
//
#pragma once
#include "tarray.h"
#define MINZ double((2048*4) / double(1 << 20))
struct particle_t;
struct FVoxel;
namespace swrenderer
{
struct vissprite_t;
struct drawseg_t;
class RenderTranslucent
{
public:
static void Deinit();
static void Clear();
static void Render();
static bool DrewAVoxel;
static bool ClipSpriteColumnWithPortals(int x, vissprite_t* spr);
private:
static void CollectPortals();
static void DrawSprite(vissprite_t *spr);
static void DrawMaskedSingle(bool renew);
static TArray<drawseg_t *> portaldrawsegs;
};
}

1
src/swrenderer/things/r_particle.cpp
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@ -40,6 +40,7 @@
#include "p_effect.h"
#include "swrenderer/scene/r_bsp.h"
#include "swrenderer/scene/r_3dfloors.h"
#include "swrenderer/scene/r_translucent.h"
#include "swrenderer/drawers/r_draw_rgba.h"
#include "swrenderer/drawers/r_draw_pal.h"
#include "v_palette.h"

1
src/swrenderer/things/r_sprite.cpp
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@ -40,6 +40,7 @@
#include "p_effect.h"
#include "swrenderer/scene/r_bsp.h"
#include "swrenderer/scene/r_3dfloors.h"
#include "swrenderer/scene/r_translucent.h"
#include "swrenderer/drawers/r_draw_rgba.h"
#include "swrenderer/drawers/r_draw_pal.h"
#include "v_palette.h"

693
src/swrenderer/things/r_visiblesprite.cpp
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@ -34,699 +34,6 @@
#include "swrenderer/plane/r_visibleplane.h"
#include "swrenderer/r_memory.h"
EXTERN_CVAR(Int, r_drawfuzz)
EXTERN_CVAR(Bool, r_drawvoxels)
EXTERN_CVAR(Bool, r_blendmethod)
CVAR(Bool, r_fullbrightignoresectorcolor, true, CVAR_ARCHIVE | CVAR_GLOBALCONFIG);
CVAR(Bool, r_splitsprites, true, CVAR_ARCHIVE)
namespace swrenderer
{
void VisibleSpriteList::Deinit()
{
// Free vissprites
for (int i = 0; i < MaxVisSprites; ++i)
{
delete vissprites[i];
}
free(vissprites);
vissprites = nullptr;
vissprite_p = lastvissprite = nullptr;
MaxVisSprites = 0;
}
void VisibleSpriteList::Clear()
{
vissprite_p = firstvissprite;
}
vissprite_t *VisibleSpriteList::Add()
{
if (vissprite_p == lastvissprite)
{
ptrdiff_t firstvisspritenum = firstvissprite - vissprites;
ptrdiff_t prevvisspritenum = vissprite_p - vissprites;
MaxVisSprites = MaxVisSprites ? MaxVisSprites * 2 : 128;
vissprites = (vissprite_t **)M_Realloc(vissprites, MaxVisSprites * sizeof(vissprite_t));
lastvissprite = &vissprites[MaxVisSprites];
firstvissprite = &vissprites[firstvisspritenum];
vissprite_p = &vissprites[prevvisspritenum];
DPrintf(DMSG_NOTIFY, "MaxVisSprites increased to %d\n", MaxVisSprites);
// Allocate sprites from the new pile
for (vissprite_t **p = vissprite_p; p < lastvissprite; ++p)
{
*p = new vissprite_t;
}
}
vissprite_p++;
return *(vissprite_p - 1);
}
int VisibleSpriteList::MaxVisSprites;
vissprite_t **VisibleSpriteList::vissprites;
vissprite_t **VisibleSpriteList::firstvissprite;
vissprite_t **VisibleSpriteList::vissprite_p;
vissprite_t **VisibleSpriteList::lastvissprite;
/////////////////////////////////////////////////////////////////////////
void SortedVisibleSpriteList::Deinit()
{
delete[] spritesorter;
spritesortersize = 0;
spritesorter = nullptr;
}
// This is the standard version, which does a simple test based on depth.
bool SortedVisibleSpriteList::sv_compare(vissprite_t *a, vissprite_t *b)
{
return a->idepth > b->idepth;
}
// This is an alternate version, for when one or more voxel is in view.
// It does a 2D distance test based on whichever one is furthest from
// the viewpoint.
bool SortedVisibleSpriteList::sv_compare2d(vissprite_t *a, vissprite_t *b)
{
return DVector2(a->deltax, a->deltay).LengthSquared() < DVector2(b->deltax, b->deltay).LengthSquared();
}
void SortedVisibleSpriteList::Sort(bool(*compare)(vissprite_t *, vissprite_t *), size_t first)
{
int i;
vissprite_t **spr;
vsprcount = int(VisibleSpriteList::vissprite_p - &VisibleSpriteList::vissprites[first]);
if (vsprcount == 0)
return;
if (spritesortersize < VisibleSpriteList::MaxVisSprites)
{
if (spritesorter != nullptr)
delete[] spritesorter;
spritesorter = new vissprite_t *[VisibleSpriteList::MaxVisSprites];
spritesortersize = VisibleSpriteList::MaxVisSprites;
}
if (!(i_compatflags & COMPATF_SPRITESORT))
{
for (i = 0, spr = VisibleSpriteList::firstvissprite; i < vsprcount; i++, spr++)
{
spritesorter[i] = *spr;
}
}
else
{
// If the compatibility option is on sprites of equal distance need to
// be sorted in inverse order. This is most easily achieved by
// filling the sort array backwards before the sort.
for (i = 0, spr = VisibleSpriteList::firstvissprite + vsprcount - 1; i < vsprcount; i++, spr--)
{
spritesorter[i] = *spr;
}
}
std::stable_sort(&spritesorter[0], &spritesorter[vsprcount], compare);
}
vissprite_t **SortedVisibleSpriteList::spritesorter;
int SortedVisibleSpriteList::spritesortersize = 0;
int SortedVisibleSpriteList::vsprcount;
/////////////////////////////////////////////////////////////////////////
bool RenderTranslucent::DrewAVoxel;
TArray<drawseg_t *> RenderTranslucent::portaldrawsegs;
void RenderTranslucent::Deinit()
{
VisibleSpriteList::Deinit();
SortedVisibleSpriteList::Deinit();
RenderVoxel::Deinit();
}
void RenderTranslucent::Clear()
{
VisibleSpriteList::Clear();
DrewAVoxel = false;
}
void RenderTranslucent::CollectPortals()
{
// This function collects all drawsegs that may be of interest to R_ClipSpriteColumnWithPortals
// Having that function over the entire list of drawsegs can break down performance quite drastically.
// This is doing the costly stuff only once so that R_ClipSpriteColumnWithPortals can
// a) exit early if no relevant info is found and
// b) skip most of the collected drawsegs which have no portal attached.
portaldrawsegs.Clear();
for (drawseg_t* seg = ds_p; seg-- > firstdrawseg; ) // copied code from killough below
{
// I don't know what makes this happen (some old top-down portal code or possibly skybox code? something adds null lines...)
// crashes at the first frame of the first map of Action2.wad
if (!seg->curline) continue;
line_t* line = seg->curline->linedef;
// ignore minisegs from GL nodes.
if (!line) continue;
// check if this line will clip sprites to itself
if (!line->isVisualPortal() && line->special != Line_Mirror)
continue;
// don't clip sprites with portal's back side (it's transparent)
if (seg->curline->sidedef != line->sidedef[0])
continue;
portaldrawsegs.Push(seg);
}
}
bool RenderTranslucent::ClipSpriteColumnWithPortals(int x, vissprite_t* spr)
{
RenderPortal *renderportal = RenderPortal::Instance();
// [ZZ] 10.01.2016: don't clip sprites from the root of a skybox.
if (renderportal->CurrentPortalInSkybox)
return false;
for (drawseg_t *seg : portaldrawsegs)
{
// ignore segs from other portals
if (seg->CurrentPortalUniq != renderportal->CurrentPortalUniq)
continue;
// (all checks that are already done in R_CollectPortals have been removed for performance reasons.)
// don't clip if the sprite is in front of the portal
if (!P_PointOnLineSidePrecise(spr->gpos.X, spr->gpos.Y, seg->curline->linedef))
continue;
// now if current column is covered by this drawseg, we clip it away
if ((x >= seg->x1) && (x < seg->x2))
return true;
}
return false;
}
void RenderTranslucent::DrawSprite(vissprite_t *spr)
{
static short clipbot[MAXWIDTH];
static short cliptop[MAXWIDTH];
drawseg_t *ds;
int i;
int x1, x2;
int r1, r2;
short topclip, botclip;
short *clip1, *clip2;
FSWColormap *colormap = spr->Style.BaseColormap;
int colormapnum = spr->Style.ColormapNum;
F3DFloor *rover;
FDynamicColormap *mybasecolormap;
Clip3DFloors *clip3d = Clip3DFloors::Instance();
// [RH] Check for particles
if (!spr->bIsVoxel && spr->pic == nullptr)
{
// kg3D - reject invisible parts
if ((clip3d->fake3D & FAKE3D_CLIPBOTTOM) && spr->gpos.Z <= clip3d->sclipBottom) return;
if ((clip3d->fake3D & FAKE3D_CLIPTOP) && spr->gpos.Z >= clip3d->sclipTop) return;
RenderParticle::Render(spr);
return;
}
x1 = spr->x1;
x2 = spr->x2;
// [RH] Quickly reject sprites with bad x ranges.
if (x1 >= x2)
return;
// [RH] Sprites split behind a one-sided line can also be discarded.
if (spr->sector == nullptr)
return;
// kg3D - reject invisible parts
if ((clip3d->fake3D & FAKE3D_CLIPBOTTOM) && spr->gzt <= clip3d->sclipBottom) return;
if ((clip3d->fake3D & FAKE3D_CLIPTOP) && spr->gzb >= clip3d->sclipTop) return;
// kg3D - correct colors now
if (!fixedcolormap && fixedlightlev < 0 && spr->sector->e && spr->sector->e->XFloor.lightlist.Size())
{
if (!(clip3d->fake3D & FAKE3D_CLIPTOP))
{
clip3d->sclipTop = spr->sector->ceilingplane.ZatPoint(ViewPos);
}
sector_t *sec = nullptr;
for (i = spr->sector->e->XFloor.lightlist.Size() - 1; i >= 0; i--)
{
if (clip3d->sclipTop <= spr->sector->e->XFloor.lightlist[i].plane.Zat0())
{
rover = spr->sector->e->XFloor.lightlist[i].caster;
if (rover)
{
if (rover->flags & FF_DOUBLESHADOW && clip3d->sclipTop <= rover->bottom.plane->Zat0())
{
break;
}
sec = rover->model;
if (rover->flags & FF_FADEWALLS)
{
mybasecolormap = sec->ColorMap;
}
else
{
mybasecolormap = spr->sector->e->XFloor.lightlist[i].extra_colormap;
}
}
break;
}
}
// found new values, recalculate
if (sec)
{
INTBOOL invertcolormap = (spr->Style.RenderStyle.Flags & STYLEF_InvertOverlay);
if (spr->Style.RenderStyle.Flags & STYLEF_InvertSource)
{
invertcolormap = !invertcolormap;
}
// Sprites that are added to the scene must fade to black.
if (spr->Style.RenderStyle == LegacyRenderStyles[STYLE_Add] && mybasecolormap->Fade != 0)
{
mybasecolormap = GetSpecialLights(mybasecolormap->Color, 0, mybasecolormap->Desaturate);
}
if (spr->Style.RenderStyle.Flags & STYLEF_FadeToBlack)
{
if (invertcolormap)
{ // Fade to white
mybasecolormap = GetSpecialLights(mybasecolormap->Color, MAKERGB(255, 255, 255), mybasecolormap->Desaturate);
invertcolormap = false;
}
else
{ // Fade to black
mybasecolormap = GetSpecialLights(mybasecolormap->Color, MAKERGB(0, 0, 0), mybasecolormap->Desaturate);
}
}
// get light level
if (invertcolormap)
{
mybasecolormap = GetSpecialLights(mybasecolormap->Color, mybasecolormap->Fade.InverseColor(), mybasecolormap->Desaturate);
}
if (fixedlightlev >= 0)
{
spr->Style.BaseColormap = mybasecolormap;
spr->Style.ColormapNum = fixedlightlev >> COLORMAPSHIFT;
}
else if (!foggy && (spr->renderflags & RF_FULLBRIGHT))
{ // full bright
spr->Style.BaseColormap = (r_fullbrightignoresectorcolor) ? &FullNormalLight : mybasecolormap;
spr->Style.ColormapNum = 0;
}
else
{ // diminished light
int spriteshade = LIGHT2SHADE(sec->lightlevel + r_actualextralight);
spr->Style.BaseColormap = mybasecolormap;
spr->Style.ColormapNum = GETPALOOKUP(r_SpriteVisibility / MAX(MINZ, (double)spr->depth), spriteshade);
}
}
}
// [RH] Initialize the clipping arrays to their largest possible range
// instead of using a special "not clipped" value. This eliminates
// visual anomalies when looking down and should be faster, too.
topclip = 0;
botclip = viewheight;
// killough 3/27/98:
// Clip the sprite against deep water and/or fake ceilings.
// [RH] rewrote this to be based on which part of the sector is really visible
double scale = InvZtoScale * spr->idepth;
double hzb = DBL_MIN, hzt = DBL_MAX;
if (spr->bIsVoxel && spr->floorclip != 0)
{
hzb = spr->gzb;
}
if (spr->heightsec && !(spr->heightsec->MoreFlags & SECF_IGNOREHEIGHTSEC))
{ // only things in specially marked sectors
if (spr->FakeFlatStat != WaterFakeSide::AboveCeiling)
{
double hz = spr->heightsec->floorplane.ZatPoint(spr->gpos);
int h = xs_RoundToInt(CenterY - (hz - ViewPos.Z) * scale);
if (spr->FakeFlatStat == WaterFakeSide::BelowFloor)
{ // seen below floor: clip top
if (!spr->bIsVoxel && h > topclip)
{
topclip = short(MIN(h, viewheight));
}
hzt = MIN(hzt, hz);
}
else
{ // seen in the middle: clip bottom
if (!spr->bIsVoxel && h < botclip)
{
botclip = MAX<short>(0, h);
}
hzb = MAX(hzb, hz);
}
}
if (spr->FakeFlatStat != WaterFakeSide::BelowFloor && !(spr->heightsec->MoreFlags & SECF_FAKEFLOORONLY))
{
double hz = spr->heightsec->ceilingplane.ZatPoint(spr->gpos);
int h = xs_RoundToInt(CenterY - (hz - ViewPos.Z) * scale);
if (spr->FakeFlatStat == WaterFakeSide::AboveCeiling)
{ // seen above ceiling: clip bottom
if (!spr->bIsVoxel && h < botclip)
{
botclip = MAX<short>(0, h);
}
hzb = MAX(hzb, hz);
}
else
{ // seen in the middle: clip top
if (!spr->bIsVoxel && h > topclip)
{
topclip = MIN(h, viewheight);
}
hzt = MIN(hzt, hz);
}
}
}
// killough 3/27/98: end special clipping for deep water / fake ceilings
else if (!spr->bIsVoxel && spr->floorclip)
{ // [RH] Move floorclip stuff from R_DrawVisSprite to here
//int clip = ((FLOAT2FIXED(CenterY) - FixedMul (spr->texturemid - (spr->pic->GetHeight() << FRACBITS) + spr->floorclip, spr->yscale)) >> FRACBITS);
int clip = xs_RoundToInt(CenterY - (spr->texturemid - spr->pic->GetHeight() + spr->floorclip) * spr->yscale);
if (clip < botclip)
{
botclip = MAX<short>(0, clip);
}
}
if (clip3d->fake3D & FAKE3D_CLIPBOTTOM)
{
if (!spr->bIsVoxel)
{
double hz = clip3d->sclipBottom;
if (spr->fakefloor)
{
double floorz = spr->fakefloor->top.plane->Zat0();
if (ViewPos.Z > floorz && floorz == clip3d->sclipBottom)
{
hz = spr->fakefloor->bottom.plane->Zat0();
}
}
int h = xs_RoundToInt(CenterY - (hz - ViewPos.Z) * scale);
if (h < botclip)
{
botclip = MAX<short>(0, h);
}
}
hzb = MAX(hzb, clip3d->sclipBottom);
}
if (clip3d->fake3D & FAKE3D_CLIPTOP)
{
if (!spr->bIsVoxel)
{
double hz = clip3d->sclipTop;
if (spr->fakeceiling != nullptr)
{
double ceilingZ = spr->fakeceiling->bottom.plane->Zat0();
if (ViewPos.Z < ceilingZ && ceilingZ == clip3d->sclipTop)
{
hz = spr->fakeceiling->top.plane->Zat0();
}
}
int h = xs_RoundToInt(CenterY - (hz - ViewPos.Z) * scale);
if (h > topclip)
{
topclip = short(MIN(h, viewheight));
}
}
hzt = MIN(hzt, clip3d->sclipTop);
}
if (topclip >= botclip)
{
spr->Style.BaseColormap = colormap;
spr->Style.ColormapNum = colormapnum;
return;
}
i = x2 - x1;
clip1 = clipbot + x1;
clip2 = cliptop + x1;
do
{
*clip1++ = botclip;
*clip2++ = topclip;
} while (--i);
// Scan drawsegs from end to start for obscuring segs.
// The first drawseg that is closer than the sprite is the clip seg.
// Modified by Lee Killough:
// (pointer check was originally nonportable
// and buggy, by going past LEFT end of array):
// for (ds=ds_p-1 ; ds >= drawsegs ; ds--) old buggy code
for (ds = ds_p; ds-- > firstdrawseg; ) // new -- killough
{
// [ZZ] portal handling here
//if (ds->CurrentPortalUniq != spr->CurrentPortalUniq)
// continue;
// [ZZ] WARNING: uncommenting the two above lines, totally breaks sprite clipping
// kg3D - no clipping on fake segs
if (ds->fake) continue;
// determine if the drawseg obscures the sprite
if (ds->x1 >= x2 || ds->x2 <= x1 ||
(!(ds->silhouette & SIL_BOTH) && ds->maskedtexturecol == -1 &&
!ds->bFogBoundary))
{
// does not cover sprite
continue;
}
r1 = MAX<int>(ds->x1, x1);
r2 = MIN<int>(ds->x2, x2);
float neardepth, fardepth;
if (!spr->bWallSprite)
{
if (ds->sz1 < ds->sz2)
{
neardepth = ds->sz1, fardepth = ds->sz2;
}
else
{
neardepth = ds->sz2, fardepth = ds->sz1;
}
}
// Check if sprite is in front of draw seg:
if ((!spr->bWallSprite && neardepth > spr->depth) || ((spr->bWallSprite || fardepth > spr->depth) &&
(spr->gpos.Y - ds->curline->v1->fY()) * (ds->curline->v2->fX() - ds->curline->v1->fX()) -
(spr->gpos.X - ds->curline->v1->fX()) * (ds->curline->v2->fY() - ds->curline->v1->fY()) <= 0))
{
RenderPortal *renderportal = RenderPortal::Instance();
// seg is behind sprite, so draw the mid texture if it has one
if (ds->CurrentPortalUniq == renderportal->CurrentPortalUniq && // [ZZ] instead, portal uniq check is made here
(ds->maskedtexturecol != -1 || ds->bFogBoundary))
R_RenderMaskedSegRange(ds, r1, r2);
continue;
}
// clip this piece of the sprite
// killough 3/27/98: optimized and made much shorter
// [RH] Optimized further (at least for VC++;
// other compilers should be at least as good as before)
if (ds->silhouette & SIL_BOTTOM) //bottom sil
{
clip1 = clipbot + r1;
clip2 = openings + ds->sprbottomclip + r1 - ds->x1;
i = r2 - r1;
do
{
if (*clip1 > *clip2)
*clip1 = *clip2;
clip1++;
clip2++;
} while (--i);
}
if (ds->silhouette & SIL_TOP) // top sil
{
clip1 = cliptop + r1;
clip2 = openings + ds->sprtopclip + r1 - ds->x1;
i = r2 - r1;
do
{
if (*clip1 < *clip2)
*clip1 = *clip2;
clip1++;
clip2++;
} while (--i);
}
}
// all clipping has been performed, so draw the sprite
if (!spr->bIsVoxel)
{
if (!spr->bWallSprite)
{
RenderSprite::Render(spr, clipbot, cliptop);
}
else
{
RenderWallSprite::Render(spr, clipbot, cliptop);
}
}
else
{
// If it is completely clipped away, don't bother drawing it.
if (cliptop[x2] >= clipbot[x2])
{
for (i = x1; i < x2; ++i)
{
if (cliptop[i] < clipbot[i])
{
break;
}
}
if (i == x2)
{
spr->Style.BaseColormap = colormap;
spr->Style.ColormapNum = colormapnum;
return;
}
}
// Add everything outside the left and right edges to the clipping array
// for R_DrawVisVoxel().
if (x1 > 0)
{
fillshort(cliptop, x1, viewheight);
}
if (x2 < viewwidth - 1)
{
fillshort(cliptop + x2, viewwidth - x2, viewheight);
}
int minvoxely = spr->gzt <= hzt ? 0 : xs_RoundToInt((spr->gzt - hzt) / spr->yscale);
int maxvoxely = spr->gzb > hzb ? INT_MAX : xs_RoundToInt((spr->gzt - hzb) / spr->yscale);
RenderVoxel::Render(spr, minvoxely, maxvoxely, cliptop, clipbot);
}
spr->Style.BaseColormap = colormap;
spr->Style.ColormapNum = colormapnum;
}
void RenderTranslucent::DrawMaskedSingle(bool renew)
{
RenderPortal *renderportal = RenderPortal::Instance();
for (int i = SortedVisibleSpriteList::vsprcount; i > 0; i--)
{
if (SortedVisibleSpriteList::spritesorter[i - 1]->CurrentPortalUniq != renderportal->CurrentPortalUniq)
continue; // probably another time
DrawSprite(SortedVisibleSpriteList::spritesorter[i - 1]);
}
// render any remaining masked mid textures
// Modified by Lee Killough:
// (pointer check was originally nonportable
// and buggy, by going past LEFT end of array):
// for (ds=ds_p-1 ; ds >= drawsegs ; ds--) old buggy code
if (renew)
{
Clip3DFloors::Instance()->fake3D |= FAKE3D_REFRESHCLIP;
}
for (drawseg_t *ds = ds_p; ds-- > firstdrawseg; ) // new -- killough
{
// [ZZ] the same as above
if (ds->CurrentPortalUniq != renderportal->CurrentPortalUniq)
continue;
// kg3D - no fake segs
if (ds->fake) continue;
if (ds->maskedtexturecol != -1 || ds->bFogBoundary)
{
R_RenderMaskedSegRange(ds, ds->x1, ds->x2);
}
}
}
void RenderTranslucent::Render()
{
CollectPortals();
SortedVisibleSpriteList::Sort(DrewAVoxel ? SortedVisibleSpriteList::sv_compare2d : SortedVisibleSpriteList::sv_compare, VisibleSpriteList::firstvissprite - VisibleSpriteList::vissprites);
Clip3DFloors *clip3d = Clip3DFloors::Instance();
if (clip3d->height_top == nullptr)
{ // kg3D - no visible 3D floors, normal rendering
DrawMaskedSingle(false);
}
else
{ // kg3D - correct sorting
// ceilings
for (HeightLevel *hl = clip3d->height_cur; hl != nullptr && hl->height >= ViewPos.Z; hl = hl->prev)
{
if (hl->next)
{
clip3d->fake3D = FAKE3D_CLIPBOTTOM | FAKE3D_CLIPTOP;
clip3d->sclipTop = hl->next->height;
}
else
{
clip3d->fake3D = FAKE3D_CLIPBOTTOM;
}
clip3d->sclipBottom = hl->height;
DrawMaskedSingle(true);
R_DrawHeightPlanes(hl->height);
}
// floors
clip3d->fake3D = FAKE3D_DOWN2UP | FAKE3D_CLIPTOP;
clip3d->sclipTop = clip3d->height_top->height;
DrawMaskedSingle(true);
for (HeightLevel *hl = clip3d->height_top; hl != nullptr && hl->height < ViewPos.Z; hl = hl->next)
{
R_DrawHeightPlanes(hl->height);
if (hl->next)
{
clip3d->fake3D = FAKE3D_DOWN2UP | FAKE3D_CLIPTOP | FAKE3D_CLIPBOTTOM;
clip3d->sclipTop = hl->next->height;
}
else
{
clip3d->fake3D = FAKE3D_DOWN2UP | FAKE3D_CLIPBOTTOM;
}
clip3d->sclipBottom = hl->height;
DrawMaskedSingle(true);
}
clip3d->DeleteHeights();
clip3d->fake3D = 0;
}
RenderPlayerSprite::RenderPlayerSprites();
}
}

55
src/swrenderer/things/r_visiblesprite.h
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@ -15,6 +15,7 @@
#include "swrenderer/line/r_line.h"
#include "swrenderer/scene/r_bsp.h"
#include "swrenderer/things/r_visiblespritelist.h"
#define MINZ double((2048*4) / double(1 << 20))
@ -23,8 +24,6 @@ struct FVoxel;
namespace swrenderer
{
struct drawseg_t;
struct vissprite_t
{
struct posang
@ -89,56 +88,4 @@ namespace swrenderer
vissprite_t() {}
};
class VisibleSpriteList
{
public:
static int MaxVisSprites;
static vissprite_t **vissprites;
static vissprite_t **firstvissprite;
static vissprite_t **vissprite_p;
static void Deinit();
static void Clear();
static vissprite_t *Add();
private:
static vissprite_t **lastvissprite;
};
class SortedVisibleSpriteList
{
public:
static void Deinit();
static void Sort(bool(*compare)(vissprite_t *, vissprite_t *), size_t first);
static bool sv_compare(vissprite_t *a, vissprite_t *b);
static bool sv_compare2d(vissprite_t *a, vissprite_t *b);
static vissprite_t **spritesorter;
static int vsprcount;
private:
static int spritesortersize;
};
class RenderTranslucent
{
public:
static void Deinit();
static void Clear();
static void Render();
static bool DrewAVoxel;
static bool ClipSpriteColumnWithPortals(int x, vissprite_t* spr);
private:
static void CollectPortals();
static void DrawSprite(vissprite_t *spr);
static void DrawMaskedSingle(bool renew);
static TArray<drawseg_t *> portaldrawsegs;
};
}

146
src/swrenderer/things/r_visiblespritelist.cpp Normal file
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@ -0,0 +1,146 @@
//
// 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.
//
#include <stdio.h>
#include <stdlib.h>
#include <algorithm>
#include "p_lnspec.h"
#include "templates.h"
#include "doomdef.h"
#include "m_swap.h"
#include "i_system.h"
#include "w_wad.h"
#include "g_levellocals.h"
#include "p_maputl.h"
#include "swrenderer/r_main.h"
#include "swrenderer/things/r_visiblesprite.h"
#include "swrenderer/things/r_visiblespritelist.h"
#include "swrenderer/r_memory.h"
namespace swrenderer
{
void VisibleSpriteList::Deinit()
{
// Free vissprites
for (int i = 0; i < MaxVisSprites; ++i)
{
delete vissprites[i];
}
free(vissprites);
vissprites = nullptr;
vissprite_p = lastvissprite = nullptr;
MaxVisSprites = 0;
}
void VisibleSpriteList::Clear()
{
vissprite_p = firstvissprite;
}
vissprite_t *VisibleSpriteList::Add()
{
if (vissprite_p == lastvissprite)
{
ptrdiff_t firstvisspritenum = firstvissprite - vissprites;
ptrdiff_t prevvisspritenum = vissprite_p - vissprites;
MaxVisSprites = MaxVisSprites ? MaxVisSprites * 2 : 128;
vissprites = (vissprite_t **)M_Realloc(vissprites, MaxVisSprites * sizeof(vissprite_t));
lastvissprite = &vissprites[MaxVisSprites];
firstvissprite = &vissprites[firstvisspritenum];
vissprite_p = &vissprites[prevvisspritenum];
DPrintf(DMSG_NOTIFY, "MaxVisSprites increased to %d\n", MaxVisSprites);
// Allocate sprites from the new pile
for (vissprite_t **p = vissprite_p; p < lastvissprite; ++p)
{
*p = new vissprite_t;
}
}
vissprite_p++;
return *(vissprite_p - 1);
}
int VisibleSpriteList::MaxVisSprites;
vissprite_t **VisibleSpriteList::vissprites;
vissprite_t **VisibleSpriteList::firstvissprite;
vissprite_t **VisibleSpriteList::vissprite_p;
vissprite_t **VisibleSpriteList::lastvissprite;
/////////////////////////////////////////////////////////////////////////
void SortedVisibleSpriteList::Deinit()
{
delete[] spritesorter;
spritesortersize = 0;
spritesorter = nullptr;
}
// This is the standard version, which does a simple test based on depth.
bool SortedVisibleSpriteList::sv_compare(vissprite_t *a, vissprite_t *b)
{
return a->idepth > b->idepth;
}
// This is an alternate version, for when one or more voxel is in view.
// It does a 2D distance test based on whichever one is furthest from
// the viewpoint.
bool SortedVisibleSpriteList::sv_compare2d(vissprite_t *a, vissprite_t *b)
{
return DVector2(a->deltax, a->deltay).LengthSquared() < DVector2(b->deltax, b->deltay).LengthSquared();
}
void SortedVisibleSpriteList::Sort(bool(*compare)(vissprite_t *, vissprite_t *), size_t first)
{
int i;
vissprite_t **spr;
vsprcount = int(VisibleSpriteList::vissprite_p - &VisibleSpriteList::vissprites[first]);
if (vsprcount == 0)
return;
if (spritesortersize < VisibleSpriteList::MaxVisSprites)
{
if (spritesorter != nullptr)
delete[] spritesorter;
spritesorter = new vissprite_t *[VisibleSpriteList::MaxVisSprites];
spritesortersize = VisibleSpriteList::MaxVisSprites;
}
if (!(i_compatflags & COMPATF_SPRITESORT))
{
for (i = 0, spr = VisibleSpriteList::firstvissprite; i < vsprcount; i++, spr++)
{
spritesorter[i] = *spr;
}
}
else
{
// If the compatibility option is on sprites of equal distance need to
// be sorted in inverse order. This is most easily achieved by
// filling the sort array backwards before the sort.
for (i = 0, spr = VisibleSpriteList::firstvissprite + vsprcount - 1; i < vsprcount; i++, spr--)
{
spritesorter[i] = *spr;
}
}
std::stable_sort(&spritesorter[0], &spritesorter[vsprcount], compare);
}
vissprite_t **SortedVisibleSpriteList::spritesorter;
int SortedVisibleSpriteList::spritesortersize = 0;
int SortedVisibleSpriteList::vsprcount;
}

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src/swrenderer/things/r_visiblespritelist.h Normal file
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@ -0,0 +1,53 @@
//
// 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.
//
#pragma once
namespace swrenderer
{
struct drawseg_t;
struct vissprite_t;
class VisibleSpriteList
{
public:
static int MaxVisSprites;
static vissprite_t **vissprites;
static vissprite_t **firstvissprite;
static vissprite_t **vissprite_p;
static void Deinit();
static void Clear();
static vissprite_t *Add();
private:
static vissprite_t **lastvissprite;
};
class SortedVisibleSpriteList
{
public:
static void Deinit();
static void Sort(bool(*compare)(vissprite_t *, vissprite_t *), size_t first);
static bool sv_compare(vissprite_t *a, vissprite_t *b);
static bool sv_compare2d(vissprite_t *a, vissprite_t *b);
static vissprite_t **spritesorter;
static int vsprcount;
private:
static int spritesortersize;
};
}

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src/swrenderer/things/r_voxel.cpp
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@ -37,6 +37,7 @@
#include "swrenderer/things/r_visiblesprite.h"
#include "swrenderer/things/r_voxel.h"
#include "swrenderer/scene/r_portal.h"
#include "swrenderer/scene/r_translucent.h"
#include "swrenderer/r_main.h"
EXTERN_CVAR(Bool, r_fullbrightignoresectorcolor)

1
src/swrenderer/things/r_wallsprite.cpp
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@ -40,6 +40,7 @@
#include "p_effect.h"
#include "swrenderer/scene/r_bsp.h"
#include "swrenderer/scene/r_3dfloors.h"
#include "swrenderer/scene/r_translucent.h"
#include "swrenderer/drawers/r_draw_rgba.h"
#include "swrenderer/drawers/r_draw_pal.h"
#include "v_palette.h"