Fix invalid index buffer format returned by MeshAccessor when model is not yet loaded

#4017
2026-03-24 23:13:50 +01:00
parent 7b3cfd989f
commit e8134803c4
4 changed files with 25 additions and 8 deletions
--- a/Source/Engine/Tools/ModelTool/MeshAccelerationStructure.cpp
+++ b/Source/Engine/Tools/ModelTool/MeshAccelerationStructure.cpp
@@ -349,7 +349,7 @@ void MeshAccelerationStructure::Add(Model* model, int32 lodIndex)
        meshData.IndexBuffer.Copy(indexStream.GetData());
        meshData.VertexBuffer.Allocate(meshData.Vertices * sizeof(Float3));
        positionStream.CopyTo(ToSpan(meshData.VertexBuffer.Get<Float3>(), meshData.Vertices));
-        meshData.Use16BitIndexBuffer = mesh.Use16BitIndexBuffer();
+        meshData.Use16BitIndexBuffer = indexStream.GetFormat() == PixelFormat::R16_UInt;
        meshData.Bounds = mesh.GetBox();
    }
 }