97 lines
2.0 KiB
GDScript
97 lines
2.0 KiB
GDScript
extends RefCounted
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## Abstract class for saving and loading data to and from a file.
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const VariantSerializer = preload ("res://lib/utils/variant_serializer.gd")
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## Signal emitted when the data is loaded.
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signal on_loaded
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## Signal emitted when the data is saved.
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signal on_saved
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var state: RdotStore
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var _loaded = false
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var _save_path = null
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## Returns true if the data has been loaded.
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func is_loaded():
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return _loaded
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## Resets the data to its default state.
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func clear():
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pass
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func sanitizeState(dict=state):
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var data = {}
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for prop_info in state.get_property_list():
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var key = prop_info.name
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if key.begins_with("_")||(prop_info.has("hint_string")&&prop_info.hint_string != ""):
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continue
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if dict[key] is Dictionary:
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data[key] = sanitizeState(dict[key])
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else:
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data[key] = VariantSerializer.stringify_value(dict[key])
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return data
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func use_dict(dict: Dictionary, target=state):
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for prop_info in state.get_property_list():
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var key = prop_info.name
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if key.begins_with("_")||(prop_info.has("hint_string")&&prop_info.hint_string != ""):
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continue
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if dict.has(key) == false:
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continue
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if target[key] is Dictionary:
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use_dict(dict[key], target[key])
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else:
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target[key] = dict[key]
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func save_local(path=_save_path):
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if path == null:
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return false
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var data = sanitizeState()
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var save_file = FileAccess.open(path, FileAccess.WRITE)
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if save_file == null:
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return false
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var json_text = JSON.stringify(data)
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save_file.store_line(json_text)
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on_saved.emit()
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return true
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func load_local(path=_save_path):
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if path == null:
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return false
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var save_file = FileAccess.open(path, FileAccess.READ)
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# In case that there is no store file yet
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if save_file == null:
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_loaded = true
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on_loaded.emit()
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return true
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var json_text = save_file.get_as_text()
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var save_data = VariantSerializer.parse_value(JSON.parse_string(json_text))
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if save_data == null:
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return false
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use_dict(save_data)
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_loaded = true
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on_loaded.emit()
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return true
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