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ResourceTree: Handle weapon MTRL special cases

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Exter-N 2023-11-13 07:44:48 +01:00
parent 4e26f09109
commit b2bf6eb0f7
1 changed files with 59 additions and 13 deletions
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72
Penumbra/Interop/ResourceTree/ResolveContext.PathResolution.cs
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@ -13,7 +13,6 @@ namespace Penumbra.Interop.ResourceTree;
internal partial record ResolveContext internal partial record ResolveContext
{ {
private Utf8GamePath ResolveModelPath() private Utf8GamePath ResolveModelPath()
{ {
// Correctness: // Correctness:
@ -83,27 +82,57 @@ internal partial record ResolveContext
{ {
ModelType.Human when SlotIndex < 10 && mtrlFileName[8] != (byte)'b' => ResolveEquipmentMaterialPath(modelPath, imcPath, mtrlFileName), ModelType.Human when SlotIndex < 10 && mtrlFileName[8] != (byte)'b' => ResolveEquipmentMaterialPath(modelPath, imcPath, mtrlFileName),
ModelType.DemiHuman => ResolveEquipmentMaterialPath(modelPath, imcPath, mtrlFileName), ModelType.DemiHuman => ResolveEquipmentMaterialPath(modelPath, imcPath, mtrlFileName),
ModelType.Weapon => ResolveEquipmentMaterialPath(modelPath, imcPath, mtrlFileName), ModelType.Weapon => ResolveWeaponMaterialPath(modelPath, imcPath, mtrlFileName),
_ => ResolveMaterialPathNative(mtrlFileName), _ => ResolveMaterialPathNative(mtrlFileName),
}; };
} }
private unsafe Utf8GamePath ResolveEquipmentMaterialPath(Utf8GamePath modelPath, Utf8GamePath imcPath, byte* mtrlFileName) private unsafe Utf8GamePath ResolveEquipmentMaterialPath(Utf8GamePath modelPath, Utf8GamePath imcPath, byte* mtrlFileName)
{ {
var fileName = MemoryMarshal.CreateReadOnlySpanFromNullTerminated(mtrlFileName); var variant = ResolveMaterialVariant(imcPath);
var modelPathSpan = modelPath.Path.Span; var fileName = MemoryMarshal.CreateReadOnlySpanFromNullTerminated(mtrlFileName);
var baseDirectory = modelPathSpan[..modelPathSpan.IndexOf("/model/"u8)];
var variant = ResolveMaterialVariant(imcPath);
Span<byte> pathBuffer = stackalloc byte[260]; Span<byte> pathBuffer = stackalloc byte[260];
baseDirectory.CopyTo(pathBuffer); pathBuffer = AssembleMaterialPath(pathBuffer, modelPath.Path.Span, variant, fileName);
"/material/v"u8.CopyTo(pathBuffer[baseDirectory.Length..]);
WriteZeroPaddedNumber(pathBuffer.Slice(baseDirectory.Length + 11, 4), variant);
pathBuffer[baseDirectory.Length + 15] = (byte)'/';
fileName.CopyTo(pathBuffer[(baseDirectory.Length + 16)..]);
return Utf8GamePath.FromSpan(pathBuffer[..(baseDirectory.Length + 16 + fileName.Length)], out var path) ? path.Clone() : Utf8GamePath.Empty; return Utf8GamePath.FromSpan(pathBuffer, out var path) ? path.Clone() : Utf8GamePath.Empty;
}
private unsafe Utf8GamePath ResolveWeaponMaterialPath(Utf8GamePath modelPath, Utf8GamePath imcPath, byte* mtrlFileName)
{
var setIdHigh = Equipment.Set.Id / 100;
// All MCH (20??) weapons' materials C are one and the same
if (setIdHigh is 20 && mtrlFileName[14] == (byte)'c')
return Utf8GamePath.FromString(GamePaths.Weapon.Mtrl.Path(2001, 1, 1, "c"), out var path) ? path : Utf8GamePath.Empty;
// MNK (03??, 16??), NIN (18??) and DNC (26??) offhands share materials with the corresponding mainhand
if (setIdHigh is 3 or 16 or 18 or 26)
{
var setIdLow = Equipment.Set.Id % 100;
if (setIdLow > 50)
{
var variant = ResolveMaterialVariant(imcPath);
var fileName = MemoryMarshal.CreateReadOnlySpanFromNullTerminated(mtrlFileName);
var mirroredSetId = (ushort)(Equipment.Set.Id - 50);
Span<byte> mirroredFileName = stackalloc byte[32];
mirroredFileName = mirroredFileName[..fileName.Length];
fileName.CopyTo(mirroredFileName);
WriteZeroPaddedNumber(mirroredFileName[4..8], mirroredSetId);
Span<byte> pathBuffer = stackalloc byte[260];
pathBuffer = AssembleMaterialPath(pathBuffer, modelPath.Path.Span, variant, mirroredFileName);
var weaponPosition = pathBuffer.IndexOf("/weapon/w"u8);
if (weaponPosition >= 0)
WriteZeroPaddedNumber(pathBuffer[(weaponPosition + 9)..(weaponPosition + 13)], mirroredSetId);
return Utf8GamePath.FromSpan(pathBuffer, out var path) ? path.Clone() : Utf8GamePath.Empty;
}
}
return ResolveEquipmentMaterialPath(modelPath, imcPath, mtrlFileName);
} }
private byte ResolveMaterialVariant(Utf8GamePath imcPath) private byte ResolveMaterialVariant(Utf8GamePath imcPath)
@ -119,6 +148,23 @@ internal partial record ResolveContext
return entry.MaterialId; return entry.MaterialId;
} }
private static Span<byte> AssembleMaterialPath(Span<byte> materialPathBuffer, ReadOnlySpan<byte> modelPath, byte variant, ReadOnlySpan<byte> mtrlFileName)
{
var modelPosition = modelPath.IndexOf("/model/"u8);
if (modelPosition < 0)
return Span<byte>.Empty;
var baseDirectory = modelPath[..modelPosition];
baseDirectory.CopyTo(materialPathBuffer);
"/material/v"u8.CopyTo(materialPathBuffer[baseDirectory.Length..]);
WriteZeroPaddedNumber(materialPathBuffer.Slice(baseDirectory.Length + 11, 4), variant);
materialPathBuffer[baseDirectory.Length + 15] = (byte)'/';
mtrlFileName.CopyTo(materialPathBuffer[(baseDirectory.Length + 16)..]);
return materialPathBuffer[..(baseDirectory.Length + 16 + mtrlFileName.Length)];
}
private static void WriteZeroPaddedNumber(Span<byte> destination, ushort number) private static void WriteZeroPaddedNumber(Span<byte> destination, ushort number)
{ {
for (var i = destination.Length; i-- > 0;) for (var i = destination.Length; i-- > 0;)