KeepersCompound
/
ThiefLightmapper
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Add surface type map

This commit is contained in:
Jarrod Doyle 2024-10-30 08:03:26 +00:00
parent fe100bb938
commit e6ca952962
Signed by: Jayrude
GPG Key ID: 38B57B16E7C0ADF7
1 changed files with 14 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
KeepersCompound.Lightmapper/LightMapper.cs
View File

@ -8,6 +8,13 @@ namespace KeepersCompound.Lightmapper;
public class LightMapper
{
private enum SurfaceType
{
Solid,
Sky,
Water,
}
private class Settings
{
public Vector3 AmbientLight;
@ -22,6 +29,7 @@ public class LightMapper
private ObjectHierarchy _hierarchy;
private Raytracer _scene;
private List<Light> _lights;
private List<SurfaceType> _triangleTypeMap;
public LightMapper(
string installPath,
@ -33,6 +41,7 @@ public class LightMapper
_misPath = _campaign.GetResourcePath(ResourceType.Mission, missionName);
_mission = Timing.TimeStage("Parse DB", () => new DbFile(_misPath));
_hierarchy = Timing.TimeStage("Build Hierarchy", BuildHierarchy);
_triangleTypeMap = [];
_scene = Timing.TimeStage("Build Scene", BuildRaytracingScene);
_lights = [];
}
@ -132,12 +141,17 @@ public class LightMapper
vertices.Add(vertex);
}
// For now we're only differentiating between solid and sky because portal polys are skipped
var renderPoly = cell.RenderPolys[polyIdx];
var primType = renderPoly.TextureId == 249 ? SurfaceType.Sky : SurfaceType.Solid;
// 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++)
{
indices.Add(meshIndexOffset);
indices.Add(meshIndexOffset + j);
indices.Add(meshIndexOffset + j + 1);
_triangleTypeMap.Add(primType);
}
cellIdxOffset += cell.Polys[polyIdx].VertexCount;