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null check and range check

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ousttrue 2021-09-28 18:51:59 +09:00
parent c610dbb765
commit 1ab5a428d5
1 changed files with 12 additions and 1 deletions
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13
Assets/VRM10/Runtime/IO/Texture/Vrm10TextureDescriptorGenerator.cs
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@ -81,8 +81,19 @@ namespace UniVRM10
value = default;
return false;
}
var thumbnailImage = vrm.Meta.ThumbnailImage;
if (!thumbnailImage.HasValue)
{
value = default;
return false;
}
var imageIndex = thumbnailImage.Value;
if (imageIndex < 0 || imageIndex >= data.GLTF.images.Count)
{
value = default;
return false;
}
var imageIndex = vrm.Meta.ThumbnailImage.Value;
var gltfImage = data.GLTF.images[imageIndex];
// data.GLTF.textures は前処理によりユニーク性がある