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2 Commits

Author SHA1 Message Date
Jarrod Doyle e48393b856
Update version to 0.5.0 2025-01-26 18:16:08 +00:00
Jarrod Doyle 65c248de84
Add PVS flag 2025-01-26 17:54:09 +00:00
3 changed files with 74 additions and 63 deletions

View File

@ -1,7 +1,7 @@
<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<Version>0.4.1</Version>
<Version>0.5</Version>
<OutputType>Exe</OutputType>
<TargetFramework>net9.0</TargetFramework>
<ImplicitUsings>enable</ImplicitUsings>

View File

@ -27,6 +27,7 @@ public class LightMapper
public bool LightmappedWater;
public SunSettings Sunlight;
public uint AnimLightCutoff;
public bool UsePvs;
}
private ResourcePathManager.CampaignResources _campaign;
@ -75,7 +76,7 @@ public class LightMapper
});
}
public void Light()
public void Light(bool pvs)
{
// TODO: Throw?
if (!_mission.TryGetChunk<RendParams>("RENDPARAMS", out var rendParams) ||
@ -110,6 +111,7 @@ public class LightMapper
LightmappedWater = lmParams.LightmappedWater,
Sunlight = sunlightSettings,
AnimLightCutoff = lmParams.AnimLightCutoff,
UsePvs = pvs,
};
Timing.TimeStage("Gather Lights", BuildLightList);
@ -437,61 +439,67 @@ public class LightMapper
if (!_mission.TryGetChunk<WorldRep>("WREXT", out var worldRep))
return;
// var lightVisibleCells = Timing.TimeStage("Light PVS", () =>
// {
// var cellCount = worldRep.Cells.Length;
// var aabbs = new MathUtils.Aabb[worldRep.Cells.Length];
// Parallel.For(0, cellCount, i => aabbs[i] = new MathUtils.Aabb(worldRep.Cells[i].Vertices));
//
// var lightCellMap = new int[_lights.Count];
// Parallel.For(0, _lights.Count, i =>
// {
// lightCellMap[i] = -1;
// var light = _lights[i];
// for (var j = 0; j < cellCount; j++)
// {
// if (!MathUtils.Intersects(aabbs[j], light.Position))
// {
// continue;
// }
//
// // Half-space contained
// var cell = worldRep.Cells[j];
// var contained = true;
// for (var k = 0; k < cell.PlaneCount; k++)
// {
// var plane = cell.Planes[k];
// if (MathUtils.DistanceFromPlane(plane, light.Position) < -MathUtils.Epsilon)
// {
// contained = false;
// break;
// }
// }
//
// if (contained)
// {
// lightCellMap[i] = j;
// break;
// }
// }
// });
//
// var lightVisibleCells = new List<int[]>(_lights.Count);
// var pvs = new PotentiallyVisibleSet(worldRep.Cells);
// for (var i = 0; i < _lights.Count; i++)
// {
// var cellIdx = lightCellMap[i];
// if (cellIdx == -1)
// {
// lightVisibleCells.Add([]);
// continue;
// }
// var visibleSet = pvs.GetVisible(lightCellMap[i]);
// lightVisibleCells.Add(visibleSet);
// }
//
// return lightVisibleCells;
// });
var lightVisibleCells = new List<int[]>();
if (settings.UsePvs)
{
lightVisibleCells = Timing.TimeStage("Light PVS", () =>
{
var cellCount = worldRep.Cells.Length;
var aabbs = new MathUtils.Aabb[worldRep.Cells.Length];
Parallel.For(0, cellCount, i => aabbs[i] = new MathUtils.Aabb(worldRep.Cells[i].Vertices));
var lightCellMap = new int[_lights.Count];
Parallel.For(0, _lights.Count, i =>
{
lightCellMap[i] = -1;
var light = _lights[i];
for (var j = 0; j < cellCount; j++)
{
if (!MathUtils.Intersects(aabbs[j], light.Position))
{
continue;
}
// Half-space contained
var cell = worldRep.Cells[j];
var contained = true;
for (var k = 0; k < cell.PlaneCount; k++)
{
var plane = cell.Planes[k];
if (MathUtils.DistanceFromPlane(plane, light.Position) < -MathUtils.Epsilon)
{
contained = false;
break;
}
}
if (contained)
{
lightCellMap[i] = j;
break;
}
}
});
var visibleCellMap = new List<int[]>(_lights.Count);
var pvs = new PotentiallyVisibleSet(worldRep.Cells);
for (var i = 0; i < _lights.Count; i++)
{
var cellIdx = lightCellMap[i];
if (cellIdx == -1)
{
visibleCellMap.Add([]);
continue;
}
var visibleSet = pvs.GetVisible(lightCellMap[i]);
visibleCellMap.Add(visibleSet);
}
return visibleCellMap;
});
}
// TODO: Move this functionality to the LGS library
// We set up light indices in separately from lighting because the actual
@ -535,10 +543,10 @@ public class LightMapper
continue;
}
// if (!lightVisibleCells[j].Contains(i))
// {
// continue;
// }
if (settings.UsePvs && !lightVisibleCells[j].Contains(i))
{
continue;
}
cell.LightIndexCount++;
cell.LightIndices.Add((ushort)light.LightTableIndex);
@ -569,7 +577,7 @@ public class LightMapper
if (overLit > 0)
{
Log.Warning("{Count}/{CellCount} cells are overlit. Overlit cells can cause Object/Light Gem lighting issues.", overLit, worldRep.Cells.Length);
Log.Warning("{Count}/{CellCount} cells are overlit. Overlit cells can cause Object/Light Gem lighting issues. Try running with the --pvs flag.", overLit, worldRep.Cells.Length);
}
Log.Information("Max cell lights found ({Count}/96)", maxLights);

View File

@ -40,6 +40,9 @@ public class LightCommand
[CliArgument(Description = "The name of the mission file including extension.")]
public required string MissionName { get; set; }
[CliOption(Description = "Use a coarse PVS for tighter cell light indices.")]
public bool Pvs { get; set; } = false;
[CliOption(Description = "Name of output file excluding extension.")]
public string OutputName { get; set; } = "kc_lit";
@ -48,7 +51,7 @@ public class LightCommand
Timing.Reset();
var lightMapper = new LightMapper(InstallPath, CampaignName, MissionName);
lightMapper.Light();
lightMapper.Light(Pvs);
lightMapper.Save(OutputName);
Timing.LogAll();