109 lines
3.2 KiB
GDScript3
109 lines
3.2 KiB
GDScript3
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# scripts/settings/SettingsModel.gd
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extends Node
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class_name SettingsModel
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## ===============================
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## Dependencies
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## ===============================
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const SettingsSchema = preload("res://__settings/SettingSchema.gd")
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const SettingsStorage = preload("res://__settings/SettingStorage.gd")
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## ===============================
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## Signals
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## ===============================
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signal setting_changed(section: String, key: String, value)
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signal settings_applied
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signal settings_reverted
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## ===============================
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## Internal State
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## ===============================
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var _data_committed : Dictionary = {} # 已生效 / 已保存
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var _data_working : Dictionary = {} # UI 正在修改
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var _storage := SettingsStorage.new()
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## ===============================
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## Lifecycle
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## ===============================
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func _ready() -> void:
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_load()
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## ===============================
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## Public API (Read)
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## ===============================
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func get_setting(section: String, key: String) -> Variant:
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return _data_working.get(section, {}).get(key)
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func get_section(section: String) -> Dictionary:
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return _data_working.get(section, {}).duplicate(true)
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## ===============================
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## Public API (Write - Working Only)
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## ===============================
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func set_setting(section: String, key: String, value: Variant) -> void:
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if not _data_working.has(section):
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_data_working[section] = {}
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_data_working[section][key] = value
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emit_signal("setting_changed", section, key, value)
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## ===============================
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## Typed Getters
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## ===============================
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func get_bool(section: String, key: String) -> bool:
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var value = get_setting(section, key)
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return value if typeof(value) == TYPE_BOOL else false
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func get_int(section: String, key: String) -> int:
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var value = get_setting(section, key)
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return value if typeof(value) == TYPE_INT else 0
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func get_float(section: String, key: String) -> float:
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var value = get_setting(section, key)
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if typeof(value) == TYPE_FLOAT or typeof(value) == TYPE_INT:
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return float(value)
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return 0.0
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func get_string(section: String, key: String) -> String:
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var value = get_setting(section, key)
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return value if typeof(value) == TYPE_STRING else ""
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## ===============================
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## Transaction Control
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## ===============================
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func apply() -> void:
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_data_committed = _data_working.duplicate(true)
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for section in _data_committed.keys():
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for key in _data_committed[section].keys():
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_storage.set_value(section, key, _data_committed[section][key])
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_storage.save()
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emit_signal("settings_applied")
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func revert() -> void:
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_data_working = _data_committed.duplicate(true)
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emit_signal("settings_reverted")
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func has_unsaved_changes() -> bool:
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return _data_working != _data_committed
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## ===============================
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## Internal
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## ===============================
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func _load() -> void:
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_storage.load()
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# 1. Load defaults
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_data_committed = SettingsSchema.defaults().duplicate(true)
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# 2. Override with saved values
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for section in _data_committed.keys():
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for key in _data_committed[section].keys():
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var default_value = _data_committed[section][key]
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var value = _storage.get_value(section, key, default_value)
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_data_committed[section][key] = value
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# 3. Init working copy
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_data_working = _data_committed.duplicate(true)
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