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Mtrl shader resource editing, ShPk editing

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Exter-N 2023-02-15 02:07:10 +01:00 • committed by Ottermandias
parent 7ee80c7d48
commit 0c17892f03
12 changed files with 2535 additions and 63 deletions
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57
Penumbra.GameData/Files/MtrlFile.cs
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@ -239,7 +239,8 @@ public partial class MtrlFile : IWritable
public struct Constant
{
public uint Id;
public uint Value;
public ushort ByteOffset;
public ushort ByteSize;
}
public struct ShaderPackageData
@ -254,7 +255,20 @@ public partial class MtrlFile : IWritable
public readonly uint Version;
public bool Valid { get; }
public bool Valid
{
get
{
foreach (var texture in Textures)
{
if (!texture.Path.Contains('/'))
{
return false;
}
}
return true;
}
}
public Texture[] Textures;
public UvSet[] UvSets;
@ -263,6 +277,8 @@ public partial class MtrlFile : IWritable
public ShaderPackageData ShaderPackage;
public byte[] AdditionalData;
public ShpkFile? AssociatedShpk;
public bool ApplyDyeTemplate(StmFile stm, int colorSetIdx, int rowIdx, StainId stainId)
{
if (colorSetIdx < 0 || colorSetIdx >= ColorDyeSets.Length || rowIdx is < 0 or >= ColorSet.RowArray.NumRows)
@ -306,7 +322,41 @@ public partial class MtrlFile : IWritable
return ret;
}
public Span<float> GetConstantValues(Constant constant)
{
if ((constant.ByteOffset & 0x3) == 0 && (constant.ByteSize & 0x3) == 0
&& ((constant.ByteOffset + constant.ByteSize) >> 2) <= ShaderPackage.ShaderValues.Length)
{
return ShaderPackage.ShaderValues.AsSpan().Slice(constant.ByteOffset >> 2, constant.ByteSize >> 2);
}
else
{
return null;
}
}
public List<(Sampler?, ShpkFile.Resource?)> GetSamplersByTexture()
{
var samplers = new List<(Sampler?, ShpkFile.Resource?)>();
for (var i = 0; i < Textures.Length; ++i)
{
samplers.Add((null, null));
}
foreach (var sampler in ShaderPackage.Samplers)
{
samplers[sampler.TextureIndex] = (sampler, AssociatedShpk?.GetSamplerById(sampler.SamplerId));
}
return samplers;
}
// Activator.CreateInstance can't use a ctor with a default value so this has to be made explicit
public MtrlFile(byte[] data)
: this(data, null)
{
}
public MtrlFile(byte[] data, Func<string, ShpkFile?>? loadAssociatedShpk = null)
{
using var stream = new MemoryStream(data);
using var r = new BinaryReader(stream);
@ -345,6 +395,8 @@ public partial class MtrlFile : IWritable
ShaderPackage.Name = UseOffset(strings, shaderPackageNameOffset);
AssociatedShpk = loadAssociatedShpk?.Invoke(ShaderPackage.Name);
AdditionalData = r.ReadBytes(additionalDataSize);
for (var i = 0; i < ColorSets.Length; ++i)
{
@ -372,7 +424,6 @@ public partial class MtrlFile : IWritable
ShaderPackage.Constants = r.ReadStructuresAsArray<Constant>(constantCount);
ShaderPackage.Samplers = r.ReadStructuresAsArray<Sampler>(samplerCount);
ShaderPackage.ShaderValues = r.ReadStructuresAsArray<float>(shaderValueListSize / 4);
Valid = true;
}
private static Texture[] ReadTextureOffsets(BinaryReader r, int count, out ushort[] offsets)