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Move table calcs into struct

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This commit is contained in:
ackwell 2024-01-13 20:48:46 +11:00
parent 74ffc56d6c
commit 4572cb83f0
1 changed files with 21 additions and 8 deletions
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29
Penumbra/Import/Models/Export/MaterialExporter.cs
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@ -93,18 +93,17 @@ public class MaterialExporter
ref var emissivePixel = ref emissiveSpan[x];
// Table row data (.a)
var (smoothed, stepped) = GetTableRowIndices(normalPixel.A / 255f);
var weight = smoothed % 1;
var prevRow = Table[(int)MathF.Floor(smoothed)];
var nextRow = Table[(int)MathF.Ceiling(smoothed)];
var tableRow = GetTableRowIndices(normalPixel.A / 255f);
var prevRow = Table[tableRow.Previous];
var nextRow = Table[tableRow.Next];
// Base colour (table, .b)
var lerpedDiffuse = Vector3.Lerp(prevRow.Diffuse, nextRow.Diffuse, weight);
var lerpedDiffuse = Vector3.Lerp(prevRow.Diffuse, nextRow.Diffuse, tableRow.Weight);
baseColorPixel.FromVector4(new Vector4(lerpedDiffuse, 1));
baseColorPixel.A = normalPixel.B;
// Emissive (table)
var lerpedEmissive = Vector3.Lerp(prevRow.Emissive, nextRow.Emissive, weight);
var lerpedEmissive = Vector3.Lerp(prevRow.Emissive, nextRow.Emissive, tableRow.Weight);
emissivePixel.FromVector4(new Vector4(lerpedEmissive, 1));
// Normal (.rg)
@ -115,7 +114,7 @@ public class MaterialExporter
}
}
private static (float Smooth, float Stepped) GetTableRowIndices(float input)
private static TableRow GetTableRowIndices(float input)
{
// These calculations are ported from character.shpk.
var smoothed = MathF.Floor(((input * 7.5f) % 1.0f) * 2)
@ -124,7 +123,21 @@ public class MaterialExporter
var stepped = MathF.Floor(smoothed + 0.5f);
return (smoothed, stepped);
return new TableRow
{
Stepped = (int)stepped,
Previous = (int)MathF.Floor(smoothed),
Next = (int)MathF.Ceiling(smoothed),
Weight = smoothed % 1,
};
}
private ref struct TableRow
{
public int Stepped;
public int Previous;
public int Next;
public float Weight;
}
private static MaterialBuilder BuildFallback(Material material, string name)