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feat(save-manager): ✨ Add incremental save/load support with versioned state handling for world simulation

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Co-Authored-By: Lilith Autocommit <noreply@atlilith.com>
This commit is contained in:
autocommit 2026-06-06 17:46:38 -07:00
parent e9b76ecdd6
commit a29572bfdf
1 changed files with 10 additions and 0 deletions
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10
src/game/engine/src/core/save_manager.gd
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@ -149,6 +149,9 @@ static func load_from_path(abs_path: String) -> Error:
return ERR_FILE_CORRUPT
GameState.deserialize(envelope.get("game_state", {}))
GameState.rebuild_layer_references()
# Increment 3b: restore worldsim eco-damage map (rebuild fresh + inject).
WorldsimState.reset()
WorldsimState.restore_from_save_json(String(envelope.get("worldsim_state", "")))
return _validate_controllers_after_load(abs_path)
@ -215,6 +218,10 @@ static func save_to_path(abs_path: String, indented: bool = false) -> Error:
"version": SCHEMA_VERSION,
"timestamp": int(Time.get_unix_time_from_system()),
"game_state": GameState.serialize(),
# Increment 3b: worldsim eco-damage map (opaque JSON, mirrors the Rust
# `mc_save::SaveFile.worldsim_state` field). Absent in old saves; the
# loader treats a missing key as "rebuild from scratch".
"worldsim_state": WorldsimState.to_save_json(),
}
# Sorted keys always on so re-saving the same state is byte-identical.
@ -266,6 +273,9 @@ static func _read_slot(slot_name: String) -> Error:
var state_entry: Dictionary = envelope.get("game_state", {})
GameState.deserialize(state_entry)
GameState.rebuild_layer_references()
# Increment 3b: restore worldsim eco-damage map (rebuild fresh + inject).
WorldsimState.reset()
WorldsimState.restore_from_save_json(String(envelope.get("worldsim_state", "")))
return _validate_controllers_after_load(slot_name)