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102 lines
3.4 KiB
102 lines
3.4 KiB
extends Node
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signal next_quick_slot
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signal previous_quick_slot
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signal select_quick_slot(slot_index: int)
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signal quick_slot_item_changed(item_id: String)
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signal item_picked_up(item: DBItemResource)
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signal item_dropped(item: DBItemResource)
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signal inventory_opened
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signal inventory_closed
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signal add_to_inventory(item_id: String, amount: int)
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signal remove_from_inventory(item_id: String, amount: int)
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signal item_added(item_id: String, amount: int)
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signal item_removed(item_id: String, amount: int)
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var quick_slot_item_id: String = "001"
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var max_inventory_items: int = 40 # 4 rows of 10
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var inventory: Array[DBItemResource] = []
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func _ready() -> void:
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self.quick_slot_item_changed.connect(_on_quick_slot_item_changed)
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self.item_picked_up.connect(_on_item_picked_up)
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self.item_dropped.connect(_on_item_dropped)
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self.add_to_inventory.connect(_on_add_to_inventory)
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self.remove_from_inventory.connect(_on_remove_from_inventory)
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# TODO: REMOVE ME
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func _unhandled_input(event: InputEvent) -> void:
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if event.is_action_pressed("ui_cancel"):
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add_to_inventory.emit("003", 1)
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func _find_first_available_stack(item_resource: DBItemResource, item_id: String) -> bool:
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return (
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item_resource.id == item_id and
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item_resource.amount < item_resource.max_stack_size
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)
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func _on_add_to_inventory(item_id: String, amount: int = 1) -> void:
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if not DBItems.data.get(item_id):
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printerr("Cannot add item, ", item_id, ", to inventory. Could not find item within DBItems.data.")
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return
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if amount < 1:
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printerr("Cannot add item, ", item_id, ", to inventory. Amount to add cannot be less then 1.")
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return
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var item_resource: DBItemResource = DBItems.data[item_id]
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# This logic seems overly complicated and is a mess.
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# Should look into fixing/simplifying this in the future
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var amount_remaining: int = amount
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while amount_remaining > 0:
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var first_stack_index: int = inventory.find_custom(_find_first_available_stack.bind(item_id))
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if first_stack_index == -1 and inventory.size() < max_inventory_items:
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var stack_resource: DBItemResource = item_resource.duplicate()
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inventory.append(stack_resource)
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if amount_remaining <= stack_resource.max_stack_size:
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inventory[-1].amount += amount_remaining
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amount_remaining = 0
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else:
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inventory[-1].amount = stack_resource.max_stack_size
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amount_remaining -= stack_resource.max_stack_size
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item_added.emit(item_id, amount - amount_remaining)
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elif first_stack_index > -1:
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var stack_resource: DBItemResource = inventory[first_stack_index]
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var current_amount: int = stack_resource.amount
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var total_amount: int = current_amount + amount_remaining
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if total_amount < stack_resource.max_stack_size: # Stack not full and can hold
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inventory[first_stack_index].amount = total_amount
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amount_remaining = 0
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else:
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inventory[first_stack_index].amount = stack_resource.max_stack_size
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amount_remaining -= stack_resource.max_stack_size
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item_added.emit(item_id, amount - amount_remaining)
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func _on_remove_from_inventory(item_id: String, amount: int = 1) -> void:
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if not inventory.has(item_id): return
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#if inventory[item_id].amount > 0:
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#inventory[item_id].amount -= amount
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#item_removed.emit(item_id, max(0, amount))
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func _on_item_dropped(item_id: String) -> void:
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_on_remove_from_inventory(item_id, 1)
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func _on_item_picked_up(item_id: String) -> void:
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_on_add_to_inventory(item_id, 1)
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func _on_quick_slot_item_changed(item_id: String) -> void:
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quick_slot_item_id = item_id
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