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Add water surfaces to the Embree scene and surface type map

This commit is contained in:
Jarrod Doyle 2024-11-04 18:09:39 +00:00
parent b47a7536c4
commit 1d96c06032
Signed by: Jayrude
GPG Key ID: 38B57B16E7C0ADF7
1 changed files with 12 additions and 4 deletions
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16
KeepersCompound.Lightmapper/LightMapper.cs
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@ -128,9 +128,9 @@ public class LightMapper
continue;
}
var maxPolyIdx = Math.Min(numRenderPolys, numPolys - numPortalPolys);
var solidPolys = numPolys - numPortalPolys;
var cellIdxOffset = 0;
for (var polyIdx = 0; polyIdx < maxPolyIdx; polyIdx++)
for (var polyIdx = 0; polyIdx < numRenderPolys; polyIdx++)
{
var poly = cell.Polys[polyIdx];
var meshIndexOffset = vertices.Count;
@ -141,9 +141,17 @@ public class LightMapper
vertices.Add(vertex);
}
// For now we're only differentiating between solid and sky because portal polys are skipped
// We need to know what type of surface this poly is so we can map Embree primitive IDs to surface
// types
var renderPoly = cell.RenderPolys[polyIdx];
var primType = renderPoly.TextureId == 249 ? SurfaceType.Sky : SurfaceType.Solid;
var primType = SurfaceType.Solid;
if (renderPoly.TextureId == 249)
{
primType = SurfaceType.Sky;
} else if (polyIdx >= solidPolys)
{
primType = SurfaceType.Water;
}
// Cell polygons are n-sided, but fortunately they're convex so we can just do a fan triangulation
for (var j = 1; j < numPolyVertices - 1; j++)