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Fix #114582: Replace unknown node types with an 'undefined' node #114802

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Lukas Tönne merged 1 commits from LukasTonne/blender:replace-unknown-socket-types-3.6 into blender-v3.6-release 2023-11-13 16:33:18 +01:00
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Lukas Tönne commented 2023-11-13 16:32:17 +01:00
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When loading an unknown node type from a newer Blender version, the node
storage data cannot be properly loaded. Re-saving the file will then
crash if saving with the same node type idname, since new Blender
versions cannot find the expected storage data.

Loading in older versions should replace unknown node types with a dummy
"Undefined" node that will get loaded as NodeTypeUndefined in newer
versions as well. Custom node types are exempted from this since they
store all data as generic ID properties and can always be fully
serialized.

When loading an unknown node type from a newer Blender version, the node storage data cannot be properly loaded. Re-saving the file will then crash if saving with the same node type idname, since new Blender versions cannot find the expected storage data. Loading in older versions should replace unknown node types with a dummy "Undefined" node that will get loaded as `NodeTypeUndefined` in newer versions as well. Custom node types are exempted from this since they store all data as generic ID properties and can always be fully serialized.
Lukas Tönne added 1 commit 2023-11-13 16:32:30 +01:00
a2776a5b40 Fix #114582: Replace unknown node types with an 'undefined' node 
When loading an unknown node type from a newer Blender version, the node
storage data cannot be properly loaded. Re-saving the file will then
crash if saving with the same node type idname, since new Blender
versions cannot find the expected storage data.

Loading in older versions should replace unknown node types with a dummy
"Undefined" node that will get loaded as `NodeTypeUndefined` in newer
versions as well. Custom node types are exempted from this since they
store all data as generic ID properties and can always be fully
serialized.

Pull Request: #114783
Lukas Tönne added this to the Nodes & Physics project 2023-11-13 16:32:37 +01:00
Lukas Tönne merged commit 915b5ba087 into blender-v3.6-release 2023-11-13 16:33:18 +01:00
Lukas Tönne deleted branch replace-unknown-socket-types-3.6 2023-11-13 16:33:20 +01:00
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Reference: blender/blender#114802
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