94 lines
2.7 KiB
GDScript
94 lines
2.7 KiB
GDScript
extends Node
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## Global keybinding manager (autoload `Controls`).
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## Loads saved keyboard bindings on startup and applies them to InputMap so
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## rebinds made in the intro menu persist into the game scene. Only the
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## keyboard event of each action is overridden; joypad/mouse events are kept.
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const SAVE_PATH := "user://controls.cfg"
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const SECTION := "keybinds"
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## Actions the options menu lets the player rebind (keyboard only).
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const REBINDABLE_ACTIONS: PackedStringArray = [
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&"move_forward",
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&"move_back",
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&"move_left",
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&"move_right",
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&"ability_kick",
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&"ability_slam",
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&"ability_dash",
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&"ability_roll",
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]
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func _ready() -> void:
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load_saved()
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## Returns the first keyboard event bound to an action, or null.
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func get_key_event(action: StringName) -> InputEventKey:
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for event: InputEvent in InputMap.action_get_events(action):
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if event is InputEventKey:
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return event
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return null
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## Human-readable label for the action's current key (e.g. "W", "Space").
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func get_key_label(action: StringName) -> String:
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var event := get_key_event(action)
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if event == null:
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return "—"
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return event.as_text_physical_keycode()
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## Replaces the primary keyboard event of `action` with `event`, keeping
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## every other event (e.g. arrow-key alternates, joypad) in its place.
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func rebind(action: StringName, event: InputEventKey) -> void:
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rebind_no_save(action, event)
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save()
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func save() -> void:
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var cfg := ConfigFile.new()
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for action: StringName in REBINDABLE_ACTIONS:
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var event := get_key_event(action)
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if event != null:
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cfg.set_value(SECTION, String(action), event.physical_keycode)
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cfg.save(SAVE_PATH)
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func load_saved() -> void:
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var cfg := ConfigFile.new()
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if cfg.load(SAVE_PATH) != OK:
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return
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for action: StringName in REBINDABLE_ACTIONS:
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var key := String(action)
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if not cfg.has_section_key(SECTION, key):
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continue
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var keycode: int = cfg.get_value(SECTION, key)
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var event := InputEventKey.new()
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event.physical_keycode = keycode as Key
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rebind_no_save(action, event)
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## Rebuilds the action's event list, swapping the first keyboard event for
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## `event` in place so ordering (and thus the "primary" key) is preserved.
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func rebind_no_save(action: StringName, event: InputEventKey) -> void:
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var events := InputMap.action_get_events(action)
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InputMap.action_erase_events(action)
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var replaced := false
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for existing: InputEvent in events:
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if not replaced and existing is InputEventKey:
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InputMap.action_add_event(action, event)
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replaced = true
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else:
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InputMap.action_add_event(action, existing)
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if not replaced:
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InputMap.action_add_event(action, event)
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func reset_defaults() -> void:
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InputMap.load_from_project_settings()
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if FileAccess.file_exists(SAVE_PATH):
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DirAccess.remove_absolute(SAVE_PATH)
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