feat: add taskbook onboarding UI

scenes/ui/PlayerHud.gd

@@ -24,6 +24,8 @@ var _walletLabel: Label
 var _avatarLabel: Label
 var _avatarPanel: PanelContainer
 var _walletRefreshTimer: Timer
+var _taskShortcutButton: Button
+var _taskRewardBadge: Label
 
 var _currentUsername: String = "玩家"
 var _walletBalance: int = 0
@@ -59,6 +61,11 @@ func _exit_tree() -> void:
 		var callback := Callable(self, "_on_auth_state_changed")
 		if authManager.is_connected("auth_state_changed", callback):
 			authManager.disconnect("auth_state_changed", callback)
+	var taskManager := get_node_or_null("/root/TaskManager")
+	if taskManager != null and taskManager.has_signal("board_changed"):
+		var taskCallback := Callable(self, "_on_task_board_changed")
+		if taskManager.is_connected("board_changed", taskCallback):
+			taskManager.disconnect("board_changed", taskCallback)
 
 func _build_ui() -> void:
 	var rootRow := HBoxContainer.new()
@@ -92,7 +99,24 @@ func _build_shortcut_bar() -> PanelContainer:
 	margin.add_child(row)
 
 	row.add_child(_create_shortcut_button("map", "地图", _on_map_pressed))
-	row.add_child(_create_shortcut_button("task", "任务", _on_task_pressed))
+	_taskShortcutButton = _create_shortcut_button("task", "任务", _on_task_pressed)
+	_taskShortcutButton.tooltip_text = "打开任务书"
+	_taskRewardBadge = Label.new()
+	_taskRewardBadge.mouse_filter = Control.MOUSE_FILTER_IGNORE
+	_taskRewardBadge.visible = false
+	_taskRewardBadge.horizontal_alignment = HORIZONTAL_ALIGNMENT_CENTER
+	_taskRewardBadge.vertical_alignment = VERTICAL_ALIGNMENT_CENTER
+	_taskRewardBadge.add_theme_color_override("font_color", Color.WHITE)
+	_taskRewardBadge.add_theme_font_size_override("font_size", 12)
+	_taskRewardBadge.add_theme_stylebox_override("normal", _create_pill_style(Color(0.92, 0.30, 0.24), 12))
+	_taskRewardBadge.set_anchors_preset(Control.PRESET_TOP_RIGHT)
+	_taskRewardBadge.offset_left = -20
+	_taskRewardBadge.offset_top = 1
+	_taskRewardBadge.offset_right = 4
+	_taskRewardBadge.offset_bottom = 25
+	_taskRewardBadge.z_index = 1
+	_taskShortcutButton.add_child(_taskRewardBadge)
+	row.add_child(_taskShortcutButton)
 	row.add_child(_create_shortcut_button("backpack", "背包", _on_backpack_pressed))
 	row.add_child(_create_shortcut_button("friends", "好友", _on_friends_pressed))
 	row.add_child(_create_shortcut_button("activity", "通知", _on_notifications_pressed))
@@ -240,6 +264,15 @@ func _subscribe_to_events() -> void:
 		var callback := Callable(self, "_on_auth_state_changed")
 		if not authManager.is_connected("auth_state_changed", callback):
 			authManager.connect("auth_state_changed", callback)
+	var taskManager := get_node_or_null("/root/TaskManager")
+	if taskManager != null and taskManager.has_signal("board_changed"):
+		var taskCallback := Callable(self, "_on_task_board_changed")
+		if not taskManager.is_connected("board_changed", taskCallback):
+			taskManager.connect("board_changed", taskCallback)
+		if taskManager.has_method("get_board"):
+			var boardVariant: Variant = taskManager.call("get_board")
+			if boardVariant is Dictionary:
+				_on_task_board_changed(boardVariant as Dictionary)
 
 func _load_current_user() -> void:
 	var authManager := get_node_or_null("/root/AuthManager")
@@ -277,6 +310,45 @@ func _apply_auth_user_payload(data: Dictionary) -> void:
 func _on_auth_logout(_data: Variant = null) -> void:
 	_set_username("玩家")
 	_reset_wallet()
+	_on_task_board_changed({})
+
+func _on_task_board_changed(board: Dictionary) -> void:
+	if not is_instance_valid(_taskShortcutButton):
+		return
+	var claimableCount: int = _count_claimable_task_rewards(board)
+	if claimableCount > 0:
+		_taskShortcutButton.tooltip_text = "任务书：有 %d 项奖励可领取" % claimableCount
+		_taskShortcutButton.modulate = Color(1.0, 0.855, 0.470, 1.0)
+		if is_instance_valid(_taskRewardBadge):
+			_taskRewardBadge.text = str(mini(claimableCount, 9)) if claimableCount < 10 else "9+"
+			_taskRewardBadge.visible = true
+		return
+	_taskShortcutButton.tooltip_text = "打开任务书"
+	_taskShortcutButton.modulate = Color.WHITE
+	if is_instance_valid(_taskRewardBadge):
+		_taskRewardBadge.visible = false
+
+func _count_claimable_task_rewards(board: Dictionary) -> int:
+	var claimableCount: int = 0
+	claimableCount += _count_claimable_tasks(board.get("newbie_tasks", []))
+	claimableCount += _count_claimable_tasks(board.get("weekly_tasks", []))
+	var weeklyBonusVariant: Variant = board.get("weekly_bonus", {})
+	if weeklyBonusVariant is Dictionary:
+		var weeklyBonus: Dictionary = weeklyBonusVariant as Dictionary
+		if bool(weeklyBonus.get("claimable", false)):
+			claimableCount += 1
+	return claimableCount
+
+func _count_claimable_tasks(tasksVariant: Variant) -> int:
+	if not (tasksVariant is Array):
+		return 0
+	var claimableCount: int = 0
+	for taskVariant: Variant in tasksVariant as Array:
+		if taskVariant is Dictionary:
+			var task: Dictionary = taskVariant as Dictionary
+			if bool(task.get("claimable", false)):
+				claimableCount += 1
+	return claimableCount
 
 func _on_appearance_avatar_changed(_data: Dictionary) -> void:
 	_apply_current_avatar()
@@ -386,7 +458,9 @@ func _on_notifications_pressed() -> void:
 		socialManager.call("toggle_notifications")
 
 func _on_task_pressed() -> void:
-	_emit_status_message("任务入口稍后接入")
+	var eventSystem := _get_event_system()
+	if eventSystem != null:
+		eventSystem.call("emit_event", EventNames.HUD_TASK_BOOK_REQUESTED, {})
 
 func _on_backpack_pressed() -> void:
 	var eventSystem := _get_event_system()