45 lines
856 B
GDScript
45 lines
856 B
GDScript
class_name PlayerWallet
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extends Node
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signal balance_changed(new_balance: int, delta: int)
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@export var current_balance: int = 0
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func _ready() -> void:
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current_balance = maxi(current_balance, 0)
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func get_balance() -> int:
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return current_balance
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func can_afford(amount: int) -> bool:
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return amount >= 0 and current_balance >= amount
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func can_credit(amount: int) -> bool:
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return (
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amount >= 0
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and current_balance <= 9223372036854775807 - amount
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)
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func credit(amount: int) -> bool:
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if not can_credit(amount):
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return false
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if amount == 0:
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return true
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current_balance += amount
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balance_changed.emit(current_balance, amount)
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return true
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func debit(amount: int) -> bool:
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if not can_afford(amount):
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return false
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if amount == 0:
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return true
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current_balance -= amount
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balance_changed.emit(current_balance, -amount)
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return true
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