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Minor bug fix

This commit is contained in:
Magnus Norddahl 2016-11-24 01:01:02 +01:00
parent 80a5f81f9a
commit 0361e912cb
2 changed files with 13 additions and 10 deletions
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22
src/r_poly_cull.cpp
View File

@ -35,18 +35,12 @@ void PolyCull::CullScene(const TriMatrix &worldToClip)
frustumPlanes = FrustumPlanes(worldToClip);
// Cull front to back
MaxCeilingHeight = 0.0;
MinFloorHeight = 0.0;
if (numnodes == 0)
{
PvsSectors.push_back(subsectors);
MaxCeilingHeight = subsectors->sector->ceilingplane.Zat0();
MinFloorHeight = subsectors->sector->floorplane.Zat0();
}
CullSubsector(subsectors);
else
{
MaxCeilingHeight = 0.0;
MinFloorHeight = 0.0;
CullNode(nodes + numnodes - 1); // The head node is the last node output.
}
ClearSolidSegments();
}
@ -65,16 +59,24 @@ void PolyCull::CullNode(void *node)
// Possibly divide back space (away from the viewer).
side ^= 1;
if (!CheckBBox(bsp->bbox[side]))
return;
node = bsp->children[side];
}
// Mark that we need to render this
subsector_t *sub = (subsector_t *)((BYTE *)node - 1);
CullSubsector(sub);
}
void PolyCull::CullSubsector(subsector_t *sub)
{
// Update sky heights for the scene
MaxCeilingHeight = MAX(MaxCeilingHeight, sub->sector->ceilingplane.Zat0());
MinFloorHeight = MIN(MinFloorHeight, sub->sector->floorplane.Zat0());
// Mark that we need to render this
PvsSectors.push_back(sub);
// Update culling info for further bsp clipping

1
src/r_poly_cull.h
View File

@ -46,6 +46,7 @@ private:
};
void CullNode(void *node);
void CullSubsector(subsector_t *sub);
int PointOnSide(const DVector2 &pos, const node_t *node);
// Checks BSP node/subtree bounding box.