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Add submeshless support

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This commit is contained in:
ackwell 2024-01-01 11:01:31 +11:00
parent dc845b766e
commit 518117b25a
2 changed files with 24 additions and 16 deletions
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34
Penumbra/Import/Models/Export/MeshExporter.cs
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@ -34,7 +34,6 @@ public class MeshExporter
}
}
// TODO: replace bonenamemap with a gltfskeleton
public static Mesh Export(MdlFile mdl, byte lod, ushort meshIndex, GltfSkeleton? skeleton)
{
var self = new MeshExporter(mdl, lod, meshIndex, skeleton?.Names);
@ -74,7 +73,7 @@ public class MeshExporter
private Dictionary<ushort, int> BuildBoneIndexMap(Dictionary<string, int> boneNameMap)
{
// todo: BoneTableIndex of 255 means null? if so, it should probably feed into the attributes we assign...
// TODO: BoneTableIndex of 255 means null? if so, it should probably feed into the attributes we assign...
var xivBoneTable = _mdl.BoneTables[XivMesh.BoneTableIndex];
var indexMap = new Dictionary<ushort, int>();
@ -97,20 +96,25 @@ public class MeshExporter
var indices = BuildIndices();
var vertices = BuildVertices();
// TODO: handle SubMeshCount = 0
// NOTE: Index indices are specified relative to the LOD's 0, but we're reading chunks for each mesh, so we're specifying the index base relative to the mesh's base.
if (XivMesh.SubMeshCount == 0)
return [BuildMesh(indices, vertices, 0, (int)XivMesh.IndexCount)];
return _mdl.SubMeshes
.Skip(XivMesh.SubMeshIndex)
.Take(XivMesh.SubMeshCount)
.Select(submesh => BuildSubMesh(submesh, indices, vertices))
.Select(submesh => BuildMesh(indices, vertices, (int)(submesh.IndexOffset - XivMesh.StartIndex), (int)submesh.IndexCount))
.ToArray();
}
private IMeshBuilder<MaterialBuilder> BuildSubMesh(MdlStructs.SubmeshStruct submesh, IReadOnlyList<ushort> indices, IReadOnlyList<IVertexBuilder> vertices)
private IMeshBuilder<MaterialBuilder> BuildMesh(
IReadOnlyList<ushort> indices,
IReadOnlyList<IVertexBuilder> vertices,
int indexBase,
int indexCount
)
{
// Index indices are specified relative to the LOD's 0, but we're reading chunks for each mesh.
var startIndex = (int)(submesh.IndexOffset - XivMesh.StartIndex);
var meshBuilderType = typeof(MeshBuilder<,,,>).MakeGenericType(
typeof(MaterialBuilder),
_geometryType,
@ -131,12 +135,12 @@ public class MeshExporter
var gltfIndices = new List<int>();
// All XIV meshes use triangle lists.
for (var indexOffset = 0; indexOffset < submesh.IndexCount; indexOffset += 3)
for (var indexOffset = 0; indexOffset < indexCount; indexOffset += 3)
{
var (a, b, c) = primitiveBuilder.AddTriangle(
vertices[indices[indexOffset + startIndex + 0]],
vertices[indices[indexOffset + startIndex + 1]],
vertices[indices[indexOffset + startIndex + 2]]
vertices[indices[indexBase + indexOffset + 0]],
vertices[indices[indexBase + indexOffset + 1]],
vertices[indices[indexBase + indexOffset + 2]]
);
gltfIndices.AddRange([a, b, c]);
}
@ -157,8 +161,8 @@ public class MeshExporter
.Take((int)shapeMesh.ShapeValueCount)
)
.Where(shapeValue =>
shapeValue.BaseIndicesIndex >= startIndex
&& shapeValue.BaseIndicesIndex < startIndex + submesh.IndexCount
shapeValue.BaseIndicesIndex >= indexBase
&& shapeValue.BaseIndicesIndex < indexBase + indexCount
)
.ToList();
@ -169,7 +173,7 @@ public class MeshExporter
foreach (var shapeValue in shapeValues)
morphBuilder.SetVertex(
primitiveVertices[gltfIndices[shapeValue.BaseIndicesIndex - startIndex]].GetGeometry(),
primitiveVertices[gltfIndices[shapeValue.BaseIndicesIndex - indexBase]].GetGeometry(),
vertices[shapeValue.ReplacingVertexIndex].GetGeometry()
);
}

6
Penumbra/Import/Models/ModelManager.cs
View file

@ -73,17 +73,21 @@ public sealed class ModelManager : SingleTaskQueue, IDisposable
public void Execute(CancellationToken cancel)
{
Penumbra.Log.Debug("Reading skeleton.");
var xivSkeleton = BuildSkeleton(cancel);
Penumbra.Log.Debug("Converting model.");
var model = ModelExporter.Export(_mdl, xivSkeleton);
Penumbra.Log.Debug("Building scene.");
var scene = new SceneBuilder();
model.AddToScene(scene);
Penumbra.Log.Debug("Saving.");
var gltfModel = scene.ToGltf2();
gltfModel.SaveGLTF(_outputPath);
}
// TODO: this should be moved to a seperate model converter or something
private XivSkeleton? BuildSkeleton(CancellationToken cancel)
{
if (_sklb == null)