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Handle mesh skeleton edge cases

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ackwell 2024-01-01 11:31:38 +11:00
parent 518117b25a
commit 08ed3ca447
1 changed files with 10 additions and 4 deletions
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14
Penumbra/Import/Models/Export/MeshExporter.cs
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@ -69,11 +69,18 @@ public class MeshExporter
_geometryType = GetGeometryType(usages);
_materialType = GetMaterialType(usages);
_skinningType = GetSkinningType(usages);
// If there's skinning usages but no bone mapping, there's probably something wrong with the data.
if (_skinningType != typeof(VertexEmpty) && _boneIndexMap == null)
Penumbra.Log.Warning($"Mesh {meshIndex} has skinned vertex usages but no bone information was provided.");
}
private Dictionary<ushort, int> BuildBoneIndexMap(Dictionary<string, int> boneNameMap)
private Dictionary<ushort, int>? BuildBoneIndexMap(Dictionary<string, int> boneNameMap)
{
// TODO: BoneTableIndex of 255 means null? if so, it should probably feed into the attributes we assign...
// A BoneTableIndex of 255 means that this mesh is not skinned.
if (XivMesh.BoneTableIndex == 255)
return null;
var xivBoneTable = _mdl.BoneTables[XivMesh.BoneTableIndex];
var indexMap = new Dictionary<ushort, int>();
@ -82,8 +89,7 @@ public class MeshExporter
{
var boneName = _mdl.Bones[xivBoneIndex];
if (!boneNameMap.TryGetValue(boneName, out var gltfBoneIndex))
// TODO: handle - i think this is a hard failure, it means that a bone name in the model doesn't exist in the armature.
throw new Exception($"looking for {boneName} in {string.Join(", ", boneNameMap.Keys)}");
throw new Exception($"Armature does not contain bone \"{boneName}\" requested by mesh {_meshIndex}.");
indexMap.Add(xivBoneIndex, gltfBoneIndex);
}