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ThiefLightmapper
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Simplify edge definition

This commit is contained in:
Jarrod Doyle 2025-01-04 21:17:53 +00:00
parent 74283f976d
commit ceb86c0a97
Signed by: Jayrude
GPG Key ID: 38B57B16E7C0ADF7
1 changed files with 7 additions and 14 deletions
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21
KeepersCompound.Lightmapper/PotentiallyVisibleSet.cs
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@ -7,8 +7,7 @@ public class PotentiallyVisibleSet
{
private class Edge
{
public int Left;
public int Right;
public int Destination;
public Poly Poly;
}
@ -49,7 +48,6 @@ public class PotentiallyVisibleSet
_edges = [];
_visibilitySet = new Dictionary<int, HashSet<int>>();
// TODO: Ignore blocksvision portals
_portalGraph = new List<int>[cells.Length];
for (var i = 0; i < cells.Length; i++)
{
@ -87,8 +85,7 @@ public class PotentiallyVisibleSet
var edge = new Edge
{
Left = i,
Right = other,
Destination = other,
Poly = new Poly(vs, cell.Planes[poly.PlaneId]),
};
_edges.Add(edge);
@ -125,22 +122,20 @@ public class PotentiallyVisibleSet
foreach (var edgeIndex in _portalGraph[cellIdx])
{
var edge = _edges[edgeIndex];
var neighbourIdx = edge.Left == cellIdx ? edge.Right : edge.Left;
var neighbourIdx = edge.Destination;
visible.Add(neighbourIdx);
// Neighbours of our direct neighbour are always visible, unless they're coplanar
foreach (var innerEdgeIndex in _portalGraph[neighbourIdx])
{
var innerEdge = _edges[innerEdgeIndex];
var leadsBack = innerEdge.Left == cellIdx || innerEdge.Right == cellIdx;
if (leadsBack || edge.Poly.IsCoplanar(innerEdge.Poly))
if (innerEdge.Destination == cellIdx || edge.Poly.IsCoplanar(innerEdge.Poly))
{
continue;
}
// Now we get to the recursive section
var destination = innerEdge.Left == neighbourIdx ? innerEdge.Right : innerEdge.Left;
ComputeClippedVisibility(visible, edge.Poly, innerEdge.Poly, neighbourIdx, destination, 0);
ComputeClippedVisibility(visible, edge.Poly, innerEdge.Poly, neighbourIdx, innerEdge.Destination, 0);
}
}
@ -173,8 +168,7 @@ public class PotentiallyVisibleSet
foreach (var edgeIndex in _portalGraph[currentCellIdx])
{
var edge = _edges[edgeIndex];
var loopsBack = edge.Left == previousCellIdx || edge.Right == previousCellIdx;
if (loopsBack || previousPoly.IsCoplanar(edge.Poly))
if (edge.Destination == previousCellIdx || previousPoly.IsCoplanar(edge.Poly))
{
continue;
}
@ -185,8 +179,7 @@ public class PotentiallyVisibleSet
continue;
}
var destination = edge.Left == currentCellIdx ? edge.Right : edge.Left;
ComputeClippedVisibility(visible, sourcePoly, poly, currentCellIdx, destination, depth + 1);
ComputeClippedVisibility(visible, sourcePoly, poly, currentCellIdx, edge.Destination, depth + 1);
}
}