85 lines
2.1 KiB
GDScript3
85 lines
2.1 KiB
GDScript3
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extends Node
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## Array-based inventory with item IDs from data/items.json.
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signal inventory_changed
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signal item_used(item_id: String)
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var _items: Dictionary = {} # id -> count
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var _defs: Dictionary = {}
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func _ready() -> void:
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_load_defs()
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func _load_defs() -> void:
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var file := FileAccess.open("res://data/items.json", FileAccess.READ)
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if file == null:
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push_error("Missing items.json")
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return
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var parsed: Variant = JSON.parse_string(file.get_as_text())
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if typeof(parsed) != TYPE_ARRAY:
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return
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for entry in parsed:
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if typeof(entry) == TYPE_DICTIONARY and entry.has("id"):
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_defs[str(entry["id"])] = entry
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func add_item(item_id: String, amount: int = 1) -> void:
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if amount <= 0:
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return
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_items[item_id] = int(_items.get(item_id, 0)) + amount
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inventory_changed.emit()
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GameState.save_game()
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func remove_item(item_id: String, amount: int = 1) -> bool:
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var have := int(_items.get(item_id, 0))
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if have < amount:
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return false
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have -= amount
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if have <= 0:
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_items.erase(item_id)
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else:
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_items[item_id] = have
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inventory_changed.emit()
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GameState.save_game()
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return true
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func has_item(item_id: String, amount: int = 1) -> bool:
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return int(_items.get(item_id, 0)) >= amount
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func get_count(item_id: String) -> int:
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return int(_items.get(item_id, 0))
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func get_all() -> Dictionary:
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return _items.duplicate()
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func use_item(item_id: String) -> bool:
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if not has_item(item_id):
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return false
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match item_id:
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"milk":
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remove_item("milk", 1)
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item_used.emit(item_id)
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GameState.skip_to_final_boss()
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return true
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"death_ticket":
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remove_item("death_ticket", 1)
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Achievements.unlock("eaten_to_death")
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item_used.emit(item_id)
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return true
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"tiramisu":
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remove_item("tiramisu", 1)
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var eaten := int(GameState.get_flag("tiramisu_kg", 0)) + 1
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GameState.set_flag("tiramisu_kg", eaten)
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if eaten >= 1000:
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Achievements.unlock("tiramisu_tonne")
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item_used.emit(item_id)
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return true
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_:
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return false
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func serialize() -> Dictionary:
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return {"items": _items.duplicate()}
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func deserialize(data: Dictionary) -> void:
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_items = data.get("items", {}).duplicate()
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inventory_changed.emit()
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