OrdinaryMagician/vkdoom_m
OrdinaryMagician/vkdoom_m
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Add plane clipping to the triangle drawer

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This commit is contained in:
Magnus Norddahl 2016-11-26 10:49:29 +01:00
commit c37ce1fdbc
19 changed files with 146 additions and 99 deletions
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16
src/r_poly_plane.cpp
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@ -32,7 +32,7 @@
EXTERN_CVAR(Int, r_3dfloors)
void RenderPolyPlane::RenderPlanes(const TriMatrix &worldToClip, 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 Vec4f &clipPlane, subsector_t *sub, uint32_t subsectorDepth, uint32_t stencilValue, double skyCeilingHeight, double skyFloorHeight, std::vector<std::unique_ptr<PolyDrawSectorPortal>> &sectorPortals)
{
RenderPolyPlane plane;
@ -58,7 +58,7 @@ void RenderPolyPlane::RenderPlanes(const TriMatrix &worldToClip, subsector_t *su
double fakeHeight = fakeFloor->top.plane->ZatPoint(frontsector->centerspot);
if (fakeHeight < ViewPos.Z && fakeHeight > frontsector->floorplane.ZatPoint(frontsector->centerspot))
{
plane.Render3DFloor(worldToClip, sub, subsectorDepth, stencilValue, false, fakeFloor);
plane.Render3DFloor(worldToClip, clipPlane, sub, subsectorDepth, stencilValue, false, fakeFloor);
}
}
@ -79,16 +79,16 @@ void RenderPolyPlane::RenderPlanes(const TriMatrix &worldToClip, subsector_t *su
double fakeHeight = fakeFloor->bottom.plane->ZatPoint(frontsector->centerspot);
if (fakeHeight > ViewPos.Z && fakeHeight < frontsector->ceilingplane.ZatPoint(frontsector->centerspot))
{
plane.Render3DFloor(worldToClip, sub, subsectorDepth, stencilValue, true, fakeFloor);
plane.Render3DFloor(worldToClip, clipPlane, sub, subsectorDepth, stencilValue, true, fakeFloor);
}
}
}
plane.Render(worldToClip, sub, subsectorDepth, stencilValue, true, skyCeilingHeight, sectorPortals);
plane.Render(worldToClip, sub, subsectorDepth, stencilValue, false, skyFloorHeight, sectorPortals);
plane.Render(worldToClip, clipPlane, sub, subsectorDepth, stencilValue, true, skyCeilingHeight, sectorPortals);
plane.Render(worldToClip, clipPlane, sub, subsectorDepth, stencilValue, false, skyFloorHeight, sectorPortals);
}
void RenderPolyPlane::Render3DFloor(const TriMatrix &worldToClip, subsector_t *sub, uint32_t subsectorDepth, uint32_t stencilValue, bool ceiling, F3DFloor *fakeFloor)
void RenderPolyPlane::Render3DFloor(const TriMatrix &worldToClip, const Vec4f &clipPlane, subsector_t *sub, uint32_t subsectorDepth, uint32_t stencilValue, bool ceiling, F3DFloor *fakeFloor)
{
FTextureID picnum = ceiling ? *fakeFloor->bottom.texture : *fakeFloor->top.texture;
FTexture *tex = TexMan(picnum);
@ -140,11 +140,12 @@ void RenderPolyPlane::Render3DFloor(const TriMatrix &worldToClip, subsector_t *s
args.stencilwritevalue = stencilValue + 1;
args.SetTexture(tex);
args.SetColormap(sub->sector->ColorMap);
args.SetClipPlane(clipPlane.x, clipPlane.y, clipPlane.z, clipPlane.w);
PolyTriangleDrawer::draw(args, TriDrawVariant::DrawNormal, TriBlendMode::Copy);
PolyTriangleDrawer::draw(args, TriDrawVariant::Stencil, TriBlendMode::Copy);
}
void RenderPolyPlane::Render(const TriMatrix &worldToClip, subsector_t *sub, uint32_t subsectorDepth, uint32_t stencilValue, bool ceiling, double skyHeight, std::vector<std::unique_ptr<PolyDrawSectorPortal>> &sectorPortals)
void RenderPolyPlane::Render(const TriMatrix &worldToClip, const Vec4f &clipPlane, subsector_t *sub, uint32_t subsectorDepth, uint32_t stencilValue, bool ceiling, double skyHeight, std::vector<std::unique_ptr<PolyDrawSectorPortal>> &sectorPortals)
{
FSectorPortal *portal = sub->sector->ValidatePortal(ceiling ? sector_t::ceiling : sector_t::floor);
PolyDrawSectorPortal *polyportal = nullptr;
@ -251,6 +252,7 @@ void RenderPolyPlane::Render(const TriMatrix &worldToClip, subsector_t *sub, uin
args.stenciltestvalue = stencilValue;
args.stencilwritevalue = stencilValue + 1;
args.SetColormap(frontsector->ColorMap);
args.SetClipPlane(clipPlane.x, clipPlane.y, clipPlane.z, clipPlane.w);
if (!isSky)
{