ToxicMushroom/Penumbra
1
0
Fork 0
mirror of https://github.com/xivdev/Penumbra.git synced 2025-12-15 13:14:17 +01:00
Code Issues Projects Releases Packages Wiki Activity Actions

Init support for DT model i/o

Browse source
This commit is contained in:
Passive 2024-07-22 18:29:39 +10:00 • committed by Ottermandias
parent 389c42e68f
commit 8084f48144
3 changed files with 281 additions and 78 deletions
Download patch file Download diff file Expand all files Collapse all files

62
Penumbra/Import/Models/Export/MeshExporter.cs
View file

@ -311,15 +311,28 @@ public class MeshExporter
MdlFile.VertexType.Single3 => new Vector3(reader.ReadSingle(), reader.ReadSingle(), reader.ReadSingle()),
MdlFile.VertexType.Single4 => new Vector4(reader.ReadSingle(), reader.ReadSingle(), reader.ReadSingle(), reader.ReadSingle()),
MdlFile.VertexType.UByte4 => reader.ReadBytes(4),
MdlFile.VertexType.NByte4 => new Vector4(reader.ReadByte() / 255f, reader.ReadByte() / 255f, reader.ReadByte() / 255f,
reader.ReadByte() / 255f),
MdlFile.VertexType.NByte4 => new Vector4(reader.ReadByte() / 255f, reader.ReadByte() / 255f, reader.ReadByte() / 255f, reader.ReadByte() / 255f),
MdlFile.VertexType.Half2 => new Vector2((float)reader.ReadHalf(), (float)reader.ReadHalf()),
MdlFile.VertexType.Half4 => new Vector4((float)reader.ReadHalf(), (float)reader.ReadHalf(), (float)reader.ReadHalf(),
(float)reader.ReadHalf()),
MdlFile.VertexType.Half4 => new Vector4((float)reader.ReadHalf(), (float)reader.ReadHalf(), (float)reader.ReadHalf(), (float)reader.ReadHalf()),
MdlFile.VertexType.UShort4 => ReadUShort4(reader),
var other => throw _notifier.Exception<ArgumentOutOfRangeException>($"Unhandled vertex type {other}"),
};
}
private byte[] ReadUShort4(BinaryReader reader)
{
var buffer = reader.ReadBytes(8);
var byteValues = new byte[8];
byteValues[0] = buffer[0];
byteValues[4] = buffer[1];
byteValues[1] = buffer[2];
byteValues[5] = buffer[3];
byteValues[2] = buffer[4];
byteValues[6] = buffer[5];
byteValues[3] = buffer[6];
byteValues[7] = buffer[7];
return byteValues;
}
/// <summary> Get the vertex geometry type for this mesh's vertex usages. </summary>
private Type GetGeometryType(IReadOnlyDictionary<MdlFile.VertexUsage, MdlFile.VertexType> usages)
@ -444,7 +457,16 @@ public class MeshExporter
private static Type GetSkinningType(IReadOnlyDictionary<MdlFile.VertexUsage, MdlFile.VertexType> usages)
{
if (usages.ContainsKey(MdlFile.VertexUsage.BlendWeights) && usages.ContainsKey(MdlFile.VertexUsage.BlendIndices))
return typeof(VertexJoints4);
{
if (usages[MdlFile.VertexUsage.BlendWeights] == MdlFile.VertexType.UShort4)
{
return typeof(VertexJoints8);
}
else
{
return typeof(VertexJoints4);
}
}
return typeof(VertexEmpty);
}
@ -455,15 +477,17 @@ public class MeshExporter
if (_skinningType == typeof(VertexEmpty))
return new VertexEmpty();
if (_skinningType == typeof(VertexJoints4))
if (_skinningType == typeof(VertexJoints4) || _skinningType == typeof(VertexJoints8))
{
if (_boneIndexMap == null)
throw _notifier.Exception("Tried to build skinned vertex but no bone mappings are available.");
var indices = ToByteArray(attributes[MdlFile.VertexUsage.BlendIndices]);
var weights = ToVector4(attributes[MdlFile.VertexUsage.BlendWeights]);
var bindings = Enumerable.Range(0, 4)
var indiciesData = attributes[MdlFile.VertexUsage.BlendIndices];
var weightsData = attributes[MdlFile.VertexUsage.BlendWeights];
var indices = ToByteArray(indiciesData);
var weights = ToFloatArray(weightsData);
var bindings = Enumerable.Range(0, indices.Length)
.Select(bindingIndex =>
{
// NOTE: I've not seen any files that throw this error that aren't completely broken.
@ -474,7 +498,13 @@ public class MeshExporter
return (jointIndex, weights[bindingIndex]);
})
.ToArray();
return new VertexJoints4(bindings);
return bindings.Length switch
{
4 => new VertexJoints4(bindings),
8 => new VertexJoints8(bindings),
_ => throw _notifier.Exception($"Invalid number of bone bindings {bindings.Length}.")
};
}
throw _notifier.Exception($"Unknown skinning type {_skinningType}");
@ -517,4 +547,12 @@ public class MeshExporter
byte[] value => value,
_ => throw new ArgumentOutOfRangeException($"Invalid byte[] input {data}"),
};
private static float[] ToFloatArray(object data)
=> data switch
{
byte[] value => value.Select(x => x / 255f).ToArray(),
_ => throw new ArgumentOutOfRangeException($"Invalid float[] input {data}"),
};
}