theallelectricsmartgrid

State Saver

The state saver (private/src/StateSaver.hpp) handles persistence of runtime control state to/from JSON.

Role

StateSaver bridges live in-memory values and serialized patch/project state:

• serializes state to JSON (ToJSON)
• restores from JSON (SetFromJSON)
• supports per-scene stored values
• supports reset-to-default behavior across scenes

In TheNonagonSquiggleBoyInternal, it is saved and loaded alongside Nonagon and SquiggleBoy state.

SquiggleBoyConfigGrid also persists sample-source directory choices. It writes a sampleDirectoryRelative array with one relative path per voice; on restore, each non-empty path is resolved under the configured sample root and loaded asynchronously through IoTaskThread::PushLoadAudioBufferBankFromDirectory(...).

Internal model

StateSaverTemp<NumScenes> stores compact per-scene snapshots for registered values:

• each registered value has a fixed byte width (1/2/4/8)
• scene copies are kept in an internal scene buffer
• current scene value is copied back to live pointers on load/switch

This design keeps serialization generic while preserving exact typed values.

Scene-aware persistence

StateSaver works with scene logic so scene-specific values are retained:

• each scene keeps its own stored bytes for registered fields
• save operations capture current scene state before emit
• load operations restore scene buffers and then write active scene values back to runtime variables

Related

• Scene Manager
• Smart Grid Integration

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