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- Improved softpoly sprite clipping

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This commit is contained in:
Magnus Norddahl 2017-06-10 11:16:58 +02:00
parent a0cc78d6aa
commit 3b8570003a
4 changed files with 50 additions and 18 deletions
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10
src/polyrenderer/scene/poly_plane.cpp
View file

@ -33,7 +33,7 @@
EXTERN_CVAR(Int, r_3dfloors)
void RenderPolyPlane::RenderPlanes(const TriMatrix &worldToClip, const PolyClipPlane &clipPlane, PolyCull &cull, subsector_t *sub, uint32_t subsectorDepth, uint32_t stencilValue, double skyCeilingHeight, double skyFloorHeight, std::vector<std::unique_ptr<PolyDrawSectorPortal>> &sectorPortals)
void RenderPolyPlane::RenderPlanes(const TriMatrix &worldToClip, const PolyClipPlane &clipPlane, PolyCull &cull, subsector_t *sub, uint32_t ceilingSubsectorDepth, uint32_t floorSubsectorDepth, uint32_t stencilValue, double skyCeilingHeight, double skyFloorHeight, std::vector<std::unique_ptr<PolyDrawSectorPortal>> &sectorPortals)
{
RenderPolyPlane plane;
@ -61,7 +61,7 @@ void RenderPolyPlane::RenderPlanes(const TriMatrix &worldToClip, const PolyClipP
double fakeHeight = fakeFloor->top.plane->ZatPoint(frontsector->centerspot);
if (fakeHeight < viewpoint.Pos.Z && fakeHeight > frontsector->floorplane.ZatPoint(frontsector->centerspot))
{
plane.Render3DFloor(worldToClip, clipPlane, sub, subsectorDepth, stencilValue, false, fakeFloor);
plane.Render3DFloor(worldToClip, clipPlane, sub, floorSubsectorDepth, stencilValue, false, fakeFloor);
}
}
@ -82,13 +82,13 @@ void RenderPolyPlane::RenderPlanes(const TriMatrix &worldToClip, const PolyClipP
double fakeHeight = fakeFloor->bottom.plane->ZatPoint(frontsector->centerspot);
if (fakeHeight > viewpoint.Pos.Z && fakeHeight < frontsector->ceilingplane.ZatPoint(frontsector->centerspot))
{
plane.Render3DFloor(worldToClip, clipPlane, sub, subsectorDepth, stencilValue, true, fakeFloor);
plane.Render3DFloor(worldToClip, clipPlane, sub, ceilingSubsectorDepth, stencilValue, true, fakeFloor);
}
}
}
plane.Render(worldToClip, clipPlane, cull, sub, subsectorDepth, stencilValue, true, skyCeilingHeight, sectorPortals);
plane.Render(worldToClip, clipPlane, cull, sub, subsectorDepth, stencilValue, false, skyFloorHeight, sectorPortals);
plane.Render(worldToClip, clipPlane, cull, sub, ceilingSubsectorDepth, stencilValue, true, skyCeilingHeight, sectorPortals);
plane.Render(worldToClip, clipPlane, cull, sub, floorSubsectorDepth, stencilValue, false, skyFloorHeight, sectorPortals);
}
void RenderPolyPlane::Render3DFloor(const TriMatrix &worldToClip, const PolyClipPlane &clipPlane, subsector_t *sub, uint32_t subsectorDepth, uint32_t stencilValue, bool ceiling, F3DFloor *fakeFloor)

2
src/polyrenderer/scene/poly_plane.h
View file

@ -30,7 +30,7 @@ class PolyCull;
class RenderPolyPlane
{
public:
static void RenderPlanes(const TriMatrix &worldToClip, const PolyClipPlane &clipPlane, PolyCull &cull, subsector_t *sub, uint32_t subsectorDepth, uint32_t stencilValue, double skyCeilingHeight, double skyFloorHeight, std::vector<std::unique_ptr<PolyDrawSectorPortal>> &sectorPortals);
static void RenderPlanes(const TriMatrix &worldToClip, const PolyClipPlane &clipPlane, PolyCull &cull, subsector_t *sub, uint32_t ceilingSubsectorDepth, uint32_t floorSubsectorDepth, uint32_t stencilValue, double skyCeilingHeight, double skyFloorHeight, std::vector<std::unique_ptr<PolyDrawSectorPortal>> &sectorPortals);
private:
struct UVTransform

50
src/polyrenderer/scene/poly_scene.cpp
View file

@ -30,7 +30,6 @@
#include "polyrenderer/poly_renderer.h"
#include "polyrenderer/scene/poly_light.h"
CVAR(Bool, r_debug_cull, 0, 0)
EXTERN_CVAR(Int, r_portal_recursions)
/////////////////////////////////////////////////////////////////////////////
@ -92,19 +91,52 @@ void RenderPolyScene::ClearBuffers()
void RenderPolyScene::RenderSectors()
{
if (r_debug_cull)
int count = (int)Cull.PvsSectors.size();
auto subsectors = Cull.PvsSectors.data();
int nextCeilingZChange = 0;
int nextFloorZChange = 0;
uint32_t ceilingSubsectorDepth = 0;
uint32_t floorSubsectorDepth = 0;
for (int i = 0; i < count; i++)
{
for (auto it = Cull.PvsSectors.rbegin(); it != Cull.PvsSectors.rend(); ++it)
RenderSubsector(*it);
// The software renderer only updates the clipping if the sector height changes.
// Find the subsector depths for when that happens.
if (i == nextCeilingZChange)
{
double z = subsectors[i]->sector->ceilingplane.Zat0();
nextCeilingZChange++;
while (nextCeilingZChange < count)
{
double nextZ = subsectors[nextCeilingZChange]->sector->ceilingplane.Zat0();
if (nextZ > z)
break;
z = nextZ;
nextCeilingZChange++;
}
else
ceilingSubsectorDepth = NextSubsectorDepth + nextCeilingZChange - i - 1;
}
if (i == nextFloorZChange)
{
for (auto it = Cull.PvsSectors.begin(); it != Cull.PvsSectors.end(); ++it)
RenderSubsector(*it);
double z = subsectors[i]->sector->floorplane.Zat0();
nextFloorZChange++;
while (nextFloorZChange < count)
{
double nextZ = subsectors[nextFloorZChange]->sector->floorplane.Zat0();
if (nextZ < z)
break;
z = nextZ;
nextFloorZChange++;
}
floorSubsectorDepth = NextSubsectorDepth + nextFloorZChange - i - 1;
}
RenderSubsector(subsectors[i], ceilingSubsectorDepth, floorSubsectorDepth);
}
}
void RenderPolyScene::RenderSubsector(subsector_t *sub)
void RenderPolyScene::RenderSubsector(subsector_t *sub, uint32_t ceilingSubsectorDepth, uint32_t floorSubsectorDepth)
{
sector_t *frontsector = sub->sector;
frontsector->MoreFlags |= SECF_DRAWN;
@ -147,7 +179,7 @@ void RenderPolyScene::RenderSubsector(subsector_t *sub)
if (sub->sector->CenterFloor() != sub->sector->CenterCeiling())
{
RenderPolyPlane::RenderPlanes(WorldToClip, PortalPlane, Cull, sub, subsectorDepth, StencilValue, Cull.MaxCeilingHeight, Cull.MinFloorHeight, SectorPortals);
RenderPolyPlane::RenderPlanes(WorldToClip, PortalPlane, Cull, sub, ceilingSubsectorDepth, floorSubsectorDepth, StencilValue, Cull.MaxCeilingHeight, Cull.MinFloorHeight, SectorPortals);
}
if (mainBSP)

2
src/polyrenderer/scene/poly_scene.h
View file

@ -86,7 +86,7 @@ private:
void ClearBuffers();
void RenderPortals(int portalDepth);
void RenderSectors();
void RenderSubsector(subsector_t *sub);
void RenderSubsector(subsector_t *sub, uint32_t ceilingSubsectorDepth, uint32_t floorSubsectorDepth);
void RenderLine(subsector_t *sub, seg_t *line, sector_t *frontsector, uint32_t subsectorDepth);
void RenderSprite(AActor *thing, double sortDistance, const DVector2 &left, const DVector2 &right);
void RenderSprite(AActor *thing, double sortDistance, DVector2 left, DVector2 right, double t1, double t2, void *node);