Add current goal panel, cleanup prestige panel

core/goals/current_goal_panel.gd

@@ -0,0 +1,153 @@
+## Single-goal tile showing the current (first uncompleted) goal from GoalCatalogue.
+## Mirrors a single row from goals_debug_ui: goal name, requirements text, and a resolve button.
+extends PanelContainer
+
+@onready var _game_state: LevelGameState = find_parent("LevelGameState")
+@onready var _goal_label: Label = $VBoxContainer/GoalLabel
+@onready var _requirements_label: Label = $VBoxContainer/RequirementsLabel
+@onready var _resolve_button: Button = $VBoxContainer/ResolveButton
+
+var _current_goal: GoalData
+
+
+func _ready() -> void:
+	_resolve_button.pressed.connect(_on_resolve_pressed)
+	if _game_state:
+		_game_state.currency_changed.connect(_on_currency_changed)
+		_game_state.generator_state_changed.connect(_on_generator_state_changed)
+		_game_state.goal_completed.connect(_on_goal_completed)
+		if not _game_state.goal_catalogue or _game_state.goal_catalogue.goals.is_empty():
+			_game_state.ready.connect(_on_level_state_ready)
+
+	_refresh_current_goal()
+	_refresh_ui()
+	_refresh_ui.call_deferred()
+
+
+func _get_current_goal() -> GoalData:
+	if _game_state == null:
+		return null
+	var catalogue: GoalCatalogue = _game_state.goal_catalogue
+	if catalogue == null:
+		return null
+
+	for goal in catalogue.goals:
+		if goal == null:
+			continue
+		if not goal.has_id():
+			continue
+		if _game_state.is_goal_completed(goal.id):
+			continue
+		return goal
+
+	return null
+
+
+func _refresh_current_goal() -> void:
+	_current_goal = _get_current_goal()
+
+
+func _refresh_ui() -> void:
+	if _current_goal == null:
+		_goal_label.text = "All goals complete!"
+		_requirements_label.text = ""
+		_resolve_button.disabled = true
+		_resolve_button.text = "Done"
+		return
+
+	_goal_label.text = String(_current_goal.id)
+
+	if _game_state == null:
+		return
+
+	var already_completed: bool = _game_state.is_goal_completed(_current_goal.id)
+
+	_requirements_label.text = _get_requirements_text(_current_goal)
+
+	var met: bool = _game_state.is_goal_met(_current_goal)
+	var can_click: bool = met and not already_completed
+
+	_resolve_button.disabled = not can_click
+	_resolve_button.text = "Done" if already_completed else "Resolve"
+
+
+func _get_requirements_text(goal: GoalData) -> String:
+	if goal == null or _game_state == null:
+		return ""
+
+	var parts: Array[String] = []
+	for req in goal.get_requirements():
+		if req == null:
+			continue
+
+		var currency: Currency = req.get_currency()
+		if currency == null:
+			continue
+
+		var currency_id: StringName = _game_state.get_currency_id(currency)
+		var total_amount: BigNumber = _game_state.get_total_currency_acquired_by_id(currency_id)
+		var required_amount: BigNumber = req.get_amount()
+		var currency_name: String = _game_state.get_currency_name(currency_id)
+
+		parts.append(
+			"%s %s / %s" % [
+				currency_name,
+				total_amount.to_string_suffix(2),
+				required_amount.to_string_suffix(2),
+			]
+		)
+
+	if parts.is_empty():
+		return "No requirements"
+	return " | ".join(parts)
+
+
+func _on_resolve_pressed() -> void:
+	if _current_goal == null:
+		return
+	if _game_state == null:
+		return
+	if _game_state.is_goal_completed(_current_goal.id):
+		return
+	if not _game_state.is_goal_met(_current_goal):
+		return
+
+	if _current_goal.unlock_behavior == GoalData.UnlockBehavior.MANUAL:
+		_game_state._complete_goal_manually(_current_goal.id)
+
+	_refresh_current_goal()
+	_refresh_ui()
+
+
+func _on_currency_changed(_currency_id: StringName, _new_amount: BigNumber) -> void:
+	_refresh_current_goal()
+	_refresh_ui()
+
+
+func _on_generator_state_changed(_generator_id: StringName, _state: Dictionary) -> void:
+	_refresh_current_goal()
+	_refresh_ui()
+
+
+func _on_goal_completed(_goal_id: StringName) -> void:
+	_refresh_current_goal()
+	_refresh_ui()
+
+
+func _on_level_state_ready() -> void:
+	if _game_state:
+		_game_state.ready.disconnect(_on_level_state_ready)
+	_refresh_current_goal()
+	_refresh_ui()
+
+
+func _exit_tree() -> void:
+	if _game_state:
+		if _game_state.currency_changed.is_connected(_on_currency_changed):
+			_game_state.currency_changed.disconnect(_on_currency_changed)
+		if _game_state.generator_state_changed.is_connected(_on_generator_state_changed):
+			_game_state.generator_state_changed.disconnect(_on_generator_state_changed)
+		if _game_state.goal_completed.is_connected(_on_goal_completed):
+			_game_state.goal_completed.disconnect(_on_goal_completed)
+		if _game_state.ready.is_connected(_on_level_state_ready):
+			_game_state.ready.disconnect(_on_level_state_ready)