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Add morph handling for normal/tangent

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This commit is contained in:
ackwell 2024-01-05 20:13:39 +11:00
parent acaa49fec5
commit 6641f5425b
2 changed files with 36 additions and 6 deletions
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38
Penumbra/Import/Models/Import/VertexAttribute.cs
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@ -150,7 +150,7 @@ public class VertexAttribute
);
}
public static VertexAttribute? Normal(Accessors accessors)
public static VertexAttribute? Normal(Accessors accessors, IEnumerable<Accessors> morphAccessors)
{
if (!accessors.TryGetValue("NORMAL", out var accessor))
return null;
@ -164,9 +164,24 @@ public class VertexAttribute
var values = accessor.AsVector3Array();
var foo = morphAccessors
.Select(ma => ma.GetValueOrDefault("NORMAL")?.AsVector3Array())
.ToArray();
return new VertexAttribute(
element,
index => BuildHalf4(new Vector4(values[index], 0))
index => BuildHalf4(new Vector4(values[index], 0)),
null,
(morphIndex, vertexIndex) =>
{
var value = values[vertexIndex];
var delta = foo[morphIndex]?[vertexIndex];
if (delta != null)
value += delta.Value;
return BuildHalf4(new Vector4(value, 0));
}
);
}
@ -203,7 +218,7 @@ public class VertexAttribute
);
}
public static VertexAttribute? Tangent1(Accessors accessors)
public static VertexAttribute? Tangent1(Accessors accessors, IEnumerable<Accessors> morphAccessors)
{
if (!accessors.TryGetValue("TANGENT", out var accessor))
return null;
@ -217,9 +232,24 @@ public class VertexAttribute
var values = accessor.AsVector4Array();
var foo = morphAccessors
.Select(ma => ma.GetValueOrDefault("TANGENT")?.AsVector3Array())
.ToArray();
return new VertexAttribute(
element,
index => BuildByteFloat4(values[index])
index => BuildByteFloat4(values[index]),
null,
(morphIndex, vertexIndex) =>
{
var value = values[vertexIndex];
var delta = foo[morphIndex]?[vertexIndex];
if (delta != null)
value += new Vector4(delta.Value, 0);
return BuildByteFloat4(value);
}
);
}

4
Penumbra/Import/Models/ModelManager.cs
View file

@ -523,8 +523,8 @@ public sealed partial class ModelManager : SingleTaskQueue, IDisposable
VertexAttribute.Position(accessors, morphAccessors),
VertexAttribute.BlendWeight(accessors),
VertexAttribute.BlendIndex(accessors),
VertexAttribute.Normal(accessors),
VertexAttribute.Tangent1(accessors),
VertexAttribute.Normal(accessors, morphAccessors),
VertexAttribute.Tangent1(accessors, morphAccessors),
VertexAttribute.Color(accessors),
VertexAttribute.Uv(accessors),
};