Add Cooler, Bag, and compact hotbar systems

ui/hotbar.gd

@@ -0,0 +1,185 @@
+class_name HotbarUI
+extends Control
+
+const ItemCatalogType = preload("res://items/item_catalog.gd")
+const PlayerBagType = preload("res://inventory/player_bag.gd")
+const PlayerHotbarType = preload("res://inventory/player_hotbar.gd")
+const HotbarSlotType = preload("res://ui/hotbar_slot.gd")
+const FishingSpotType = preload("res://fishing/fishing_spot.gd")
+
+@onready var _slot_row: HBoxContainer = %SlotRow
+@onready var _selected_item_label: Label = %SelectedItemLabel
+@onready var _item_name_timer: Timer = %ItemNameTimer
+
+var _hotbar: PlayerHotbarType
+var _bag: PlayerBagType
+var _catalog: ItemCatalogType
+var _fishing_spot: FishingSpotType
+var _slots: Array[HotbarSlotType] = []
+var _gameplay_input_enabled: bool = false
+var _drag_enabled: bool = false
+var _hovered_slot_index: int = -1
+var _item_name_suppressed: bool = false
+
+
+func _ready() -> void:
+	_item_name_timer.timeout.connect(_on_item_name_timer_timeout)
+
+
+func setup(
+	hotbar: PlayerHotbarType,
+	bag: PlayerBagType,
+	catalog: ItemCatalogType,
+	fishing_spot: FishingSpotType,
+) -> void:
+	_hotbar = hotbar
+	_bag = bag
+	_catalog = catalog
+	_fishing_spot = fishing_spot
+	if not _hotbar.slots_changed.is_connected(_refresh):
+		_hotbar.slots_changed.connect(_refresh)
+	if not _hotbar.selected_slot_changed.is_connected(
+		_on_selected_slot_changed
+	):
+		_hotbar.selected_slot_changed.connect(_on_selected_slot_changed)
+	if not _bag.contents_changed.is_connected(_refresh):
+		_bag.contents_changed.connect(_refresh)
+	_build_slots()
+	_refresh()
+
+
+func set_gameplay_input_enabled(enabled: bool) -> void:
+	_gameplay_input_enabled = enabled
+
+
+func set_drag_enabled(enabled: bool) -> void:
+	_drag_enabled = enabled
+	for slot: HotbarSlotType in _slots:
+		slot.set_drag_enabled(enabled)
+	if not enabled:
+		_hovered_slot_index = -1
+		_hide_item_name()
+
+
+func set_item_name_suppressed(suppressed: bool) -> void:
+	_item_name_suppressed = suppressed
+	if suppressed:
+		_hovered_slot_index = -1
+		_hide_item_name()
+
+
+func _unhandled_input(event: InputEvent) -> void:
+	if (
+		not _gameplay_input_enabled
+		or _hotbar == null
+		or _fishing_spot == null
+		or not _fishing_spot.can_change_hotbar_selection()
+	):
+		return
+	if event is InputEventKey and event.pressed and not event.echo:
+		for index: int in range(PlayerHotbarType.SLOT_COUNT):
+			if event.is_action_pressed("hotbar_%d" % (index + 1)):
+				_hotbar.select_slot(index)
+				get_viewport().set_input_as_handled()
+				return
+	if (
+		event is InputEventMouseButton
+		and event.pressed
+		and not event.shift_pressed
+	):
+		if event.button_index == MOUSE_BUTTON_WHEEL_UP:
+			_hotbar.cycle_selection(-1)
+			get_viewport().set_input_as_handled()
+		elif event.button_index == MOUSE_BUTTON_WHEEL_DOWN:
+			_hotbar.cycle_selection(1)
+			get_viewport().set_input_as_handled()
+
+
+func _build_slots() -> void:
+	for child: Node in _slot_row.get_children():
+		child.queue_free()
+	_slots.clear()
+	for index: int in range(PlayerHotbarType.SLOT_COUNT):
+		var slot := HotbarSlotType.new()
+		slot.toggle_mode = true
+		slot.setup(index, _hotbar, _bag, _catalog)
+		slot.set_drag_enabled(_drag_enabled)
+		slot.item_hovered.connect(_on_slot_item_hovered)
+		slot.item_hover_ended.connect(_on_slot_item_hover_ended)
+		slot.item_drag_started.connect(_on_slot_drag_started)
+		slot.item_drag_finished.connect(_on_slot_drag_finished)
+		_slot_row.add_child(slot)
+		_slots.append(slot)
+
+
+func _refresh() -> void:
+	for slot: HotbarSlotType in _slots:
+		slot.refresh()
+
+
+func _on_selected_slot_changed(
+	_slot_index: int,
+	_item_id: StringName,
+) -> void:
+	_refresh()
+	if _hovered_slot_index < 0:
+		_show_selected_item_briefly()
+
+
+func _on_slot_item_hovered(
+	slot_index: int,
+	item_id: StringName,
+) -> void:
+	if _item_name_suppressed:
+		return
+	_hovered_slot_index = slot_index
+	_item_name_timer.stop()
+	_show_item_name(item_id)
+
+
+func _on_slot_item_hover_ended(slot_index: int) -> void:
+	if slot_index != _hovered_slot_index:
+		return
+	_hovered_slot_index = -1
+	_show_selected_item_briefly()
+
+
+func _on_slot_drag_started() -> void:
+	_hovered_slot_index = -1
+	_hide_item_name()
+
+
+func _on_slot_drag_finished() -> void:
+	_show_selected_item_briefly()
+
+
+func _show_selected_item_briefly() -> void:
+	if _item_name_suppressed or _hotbar == null:
+		_hide_item_name()
+		return
+	_show_item_name(_hotbar.get_selected_item_id())
+	if _selected_item_label.visible:
+		_item_name_timer.start()
+
+
+func _show_item_name(item_id: StringName) -> void:
+	if item_id.is_empty() or _catalog == null:
+		_hide_item_name()
+		return
+	var item := _catalog.get_item_by_id(item_id)
+	if item == null:
+		_hide_item_name()
+		return
+	_selected_item_label.text = item.display_name
+	_selected_item_label.visible = true
+
+
+func _hide_item_name() -> void:
+	_item_name_timer.stop()
+	_selected_item_label.text = ""
+	_selected_item_label.visible = false
+
+
+func _on_item_name_timer_timeout() -> void:
+	if _hovered_slot_index < 0:
+		_hide_item_name()