Refactored save integration to allow for arbitrary save data container objects (#317)#318
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gregorhcs wants to merge 2 commits intoMothCocoon:5.xfrom
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Refactored save integration to allow for arbitrary save data container objects (#317)#318gregorhcs wants to merge 2 commits intoMothCocoon:5.xfrom
gregorhcs wants to merge 2 commits intoMothCocoon:5.xfrom
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gregorhcs
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Jan 12, 2026
| UFlowSaveGame() {} | ||
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| virtual const FFlowSaveData& GetSaveData() const override { return FlowSaveData; } | ||
| virtual FFlowSaveData& GetSaveDataMutable() override { return FlowSaveData; } |
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Hmm, I'm thinking now it would be better if the interface would also allow BP implementation. I'll add that
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Ok, so I tried bending the function signature for a while to allow implementing the interface in BP, but I think it's impossible for BP functions to return references, so I'd say we leave it like that. It's not really a regression, since previously there was no way to customize the container at all.
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#317 Implemented generic save data container support for flow.
The Flow Subsystem now saves and loads from any
UObjectimplementing the newIFlowSaveDataContainerInterface. The interfaces provides mutable and const access to the newFFlowSaveDatastruct, which wrapsFFlowComponentSaveDataandFFlowAssetSaveData.To retain compatibility with
UFlowSaveGame, that class now implements the new interface, thus projects can easily switch to the new API on the subsystem. I've marked the old API as deprecated.