122 lines
3.3 KiB
GDScript3
122 lines
3.3 KiB
GDScript3
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extends Node
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class_name InputSettingsModel
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## ===============================
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## Dependencies
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## ===============================
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const InputSchema = preload("res://__settings/input/InputSchema.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 binding_changed(action: String)
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signal bindings_applied
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signal bindings_reverted
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## ===============================
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## Internal State
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## ===============================
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var _bindings_committed : Dictionary = {}
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var _bindings_working : Dictionary = {}
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var _storage := SettingsStorage.new()
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const SECTION := "input"
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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_bindings(action: String) -> Array:
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return _bindings_working.get(action, []).duplicate(true)
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func get_all_bindings() -> Dictionary:
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return _bindings_working.duplicate(true)
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## ===============================
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## Public API (Write)
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## ===============================
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func set_bindings(action: String, bindings: Array) -> void:
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_bindings_working[action] = bindings
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emit_signal("binding_changed", action)
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func add_binding(action: String, binding: Dictionary) -> void:
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if not _bindings_working.has(action):
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_bindings_working[action] = []
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_bindings_working[action].append(binding)
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emit_signal("binding_changed", action)
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func clear_bindings(action: String) -> void:
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_bindings_working[action] = []
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emit_signal("binding_changed", action)
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## ===============================
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## Transaction
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## ===============================
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func apply() -> void:
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_bindings_committed = _bindings_working.duplicate(true)
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_save_to_storage()
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_apply_to_input_map()
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emit_signal("bindings_applied")
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func revert() -> void:
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_bindings_working = _bindings_committed.duplicate(true)
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emit_signal("bindings_reverted")
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func has_unsaved_changes() -> bool:
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return _bindings_working != _bindings_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. defaults
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_bindings_committed = InputSchema.defaults().duplicate(true)
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# 2. override from storage
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for action in _bindings_committed.keys():
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var saved = _storage.get_value(SECTION, action, null)
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if saved != null:
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_bindings_committed[action] = saved
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_bindings_working = _bindings_committed.duplicate(true)
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# 3. apply to engine at startup
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_apply_to_input_map()
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func _save_to_storage() -> void:
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for action in _bindings_committed.keys():
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_storage.set_value(SECTION, action, _bindings_committed[action])
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_storage.save()
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func _apply_to_input_map() -> void:
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for action in _bindings_committed.keys():
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if not InputMap.has_action(action):
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InputMap.add_action(action)
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InputMap.action_erase_events(action)
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for binding in _bindings_committed[action]:
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var event = _binding_to_event(binding)
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if event:
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InputMap.action_add_event(action, event)
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func _binding_to_event(binding: Dictionary) -> InputEvent:
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match binding.get("type"):
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"key":
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var e := InputEventKey.new()
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e.keycode = binding.get("keycode", 0)
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return e
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"mouse":
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var e := InputEventMouseButton.new()
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e.button_index = binding.get("button", 0)
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return e
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return null
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