Add plane clipping to the triangle drawer

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

View file

@ -94,7 +94,7 @@ void RenderPolyPortal::RenderSubsector(subsector_t *sub)
if (sub->sector->CenterFloor() != sub->sector->CenterCeiling())
{
RenderPolyPlane::RenderPlanes(WorldToClip, sub, subsectorDepth, StencilValue, Cull.MaxCeilingHeight, Cull.MinFloorHeight, SectorPortals);
RenderPolyPlane::RenderPlanes(WorldToClip, PortalPlane, sub, subsectorDepth, StencilValue, Cull.MaxCeilingHeight, Cull.MinFloorHeight, SectorPortals);
}
for (uint32_t i = 0; i < sub->numlines; i++)
@ -178,12 +178,12 @@ void RenderPolyPortal::RenderLine(subsector_t *sub, seg_t *line, sector_t *front
if (!(fakeFloor->flags & FF_EXISTS)) continue;
if (!(fakeFloor->flags & FF_RENDERPLANES)) continue;
if (!fakeFloor->model) continue;
RenderPolyWall::Render3DFloorLine(WorldToClip, line, frontsector, subsectorDepth, StencilValue, fakeFloor, SubsectorTranslucentWalls);
RenderPolyWall::Render3DFloorLine(WorldToClip, PortalPlane, line, frontsector, subsectorDepth, StencilValue, fakeFloor, SubsectorTranslucentWalls);
}
}
// Render wall, and update culling info if its an occlusion blocker
if (RenderPolyWall::RenderLine(WorldToClip, line, frontsector, subsectorDepth, StencilValue, SubsectorTranslucentWalls, LinePortals))
if (RenderPolyWall::RenderLine(WorldToClip, PortalPlane, line, frontsector, subsectorDepth, StencilValue, SubsectorTranslucentWalls, LinePortals))
{
if (hasSegmentRange)
Cull.MarkSegmentCulled(sx1, sx2);
@ -208,6 +208,7 @@ void RenderPolyPortal::RenderPortals(int portalDepth)
args.uniforms.color = 0;
args.uniforms.light = 256;
args.uniforms.flags = TriUniforms::fixed_light;
args.SetClipPlane(PortalPlane.x, PortalPlane.y, PortalPlane.z, PortalPlane.w);
for (auto &portal : SectorPortals)
{
@ -253,6 +254,7 @@ void RenderPolyPortal::RenderTranslucent(int portalDepth)
args.mode = TriangleDrawMode::Fan;
args.stenciltestvalue = portal->StencilValue + 1;
args.stencilwritevalue = StencilValue;
args.SetClipPlane(PortalPlane.x, PortalPlane.y, PortalPlane.z, PortalPlane.w);
for (const auto &verts : portal->Shape)
{
args.vinput = verts.Vertices;
@ -273,6 +275,7 @@ void RenderPolyPortal::RenderTranslucent(int portalDepth)
args.mode = TriangleDrawMode::Fan;
args.stenciltestvalue = portal->StencilValue + 1;
args.stencilwritevalue = StencilValue;
args.SetClipPlane(PortalPlane.x, PortalPlane.y, PortalPlane.z, PortalPlane.w);
for (const auto &verts : portal->Shape)
{
args.vinput = verts.Vertices;
@ -290,21 +293,21 @@ void RenderPolyPortal::RenderTranslucent(int portalDepth)
if (obj.particle)
{
RenderPolyParticle spr;
spr.Render(WorldToClip, obj.particle, obj.sub, obj.subsectorDepth, StencilValue + 1);
spr.Render(WorldToClip, PortalPlane, obj.particle, obj.sub, obj.subsectorDepth, StencilValue + 1);
}
else if (!obj.thing)
{
obj.wall.Render(WorldToClip);
obj.wall.Render(WorldToClip, PortalPlane);
}
else if ((obj.thing->renderflags & RF_SPRITETYPEMASK) == RF_WALLSPRITE)
{
RenderPolyWallSprite wallspr;
wallspr.Render(WorldToClip, obj.thing, obj.sub, obj.subsectorDepth, StencilValue + 1);
wallspr.Render(WorldToClip, PortalPlane, obj.thing, obj.sub, obj.subsectorDepth, StencilValue + 1);
}
else
{
RenderPolySprite spr;
spr.Render(WorldToClip, obj.thing, obj.sub, obj.subsectorDepth, StencilValue + 1);
spr.Render(WorldToClip, PortalPlane, obj.thing, obj.sub, obj.subsectorDepth, StencilValue + 1);
}
}
}
@ -341,7 +344,7 @@ void PolyDrawSectorPortal::Render(int portalDepth)
TriMatrix::translate((float)-ViewPos.X, (float)-ViewPos.Y, (float)-ViewPos.Z);
TriMatrix worldToClip = TriMatrix::perspective(fovy, ratio, 5.0f, 65535.0f) * worldToView;
RenderPortal.SetViewpoint(worldToClip, Vec4f(0.0f), StencilValue);
RenderPortal.SetViewpoint(worldToClip, Vec4f(0.0f, 0.0f, 0.0f, 1.0f), StencilValue);
RenderPortal.Render(portalDepth);
RestoreGlobals();
@ -445,7 +448,7 @@ void PolyDrawLinePortal::Render(int portalDepth)
DVector2 planePos = Portal->mDestination->v1->fPos();
DVector2 planeNormal = (Portal->mDestination->v2->fPos() - Portal->mDestination->v1->fPos()).Rotated90CW();
planeNormal.MakeUnit();
double planeD = -(planeNormal | (planePos + planeNormal * 5.0));
double planeD = -(planeNormal | (planePos + planeNormal * 0.001));
Vec4f portalPlane((float)planeNormal.X, (float)planeNormal.Y, 0.0f, (float)planeD);
RenderPortal.SetViewpoint(worldToClip, portalPlane, StencilValue);