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https://port.numenaute.org/aleajactaest/bazar_alea.git
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70 lines
2.2 KiB
GDScript
70 lines
2.2 KiB
GDScript
extends Node
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class_name LockSystem
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#The array of locks that are presently applied. The player can perform an action if this array is empty.
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#The locks can be used for any manner of things: player movement in cutscenes, restricting dialogue choices, door open conditions etc
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var _locks = []
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var lock_count : int :
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get:
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return _locks.size()
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#An event to hook into - primarily for debugging.
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signal Lock_Added(lockName:String)
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signal Lock_Removed(lockName:String)
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#This one should only emit if is_locked would have changed.
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signal Lock_Status_Changed(newStatus:bool)
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#A getter to see if any locks are being applied
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@export var is_locked : bool :
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get:
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return _check_is_locked()
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#If a lock called lock_name hasn't already been added, adds one.
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func add_lock(lock_name:String):
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#Don't add duplicate locks
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if(contains_lock(lock_name)):
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print_debug("Lock %lock is already added." % lock_name)
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return
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else:
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#Add locks and emit events
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_locks.append(lock_name)
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emit_signal("Lock_Added", lock_name)
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#if this is the first and only lock, the locked status has changed to true
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if(_locks.size() == 1):
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Lock_Status_Changed.emit(true)
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return;
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#Removes a lock with the name lock_name. Prints a message if it's not in there.
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func remove_lock(lock_name:String):
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if(contains_lock(lock_name)):
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_locks.erase(lock_name)
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#If there's now zero locks remaining, emit event
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if(_locks.size() == 0):
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Lock_Status_Changed.emit(false)
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else:
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print_debug("Lock %lock cannot be removed as it isn't there." % lock_name)
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#Returns true if _locks has any entries added, false if no locks are being applied
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func _check_is_locked():
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return _locks.size() > 0;
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#Returns true if a lock called lock_name is already added to _locks
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func contains_lock(lock_name:String):
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for lock in _locks:
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if lock == lock_name:
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return true;
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return false;
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#Prints all current locks - useful for tracking down issues when locks haven't been lifted
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func debug_locks():
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var log = "Printing all locks"
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for lock in _locks:
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print_debug("\n" + str(lock))
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#To be used for debug - for when the locks need to be bypassed to test.
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func debug_release_all_locks():
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for lock in _locks:
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Lock_Removed.emit(lock)
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_locks.clear();
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