P07-01-WX: 仕上がった天候の機能の受入：自然天候・雨・嵐・世界樹と成人客のマナ霧・上部の表示と予報・保存と移行（マナ炉の産出 120 を除く。P07-01 の補助の作業。原単位への加算 0）

scenes/main/main.gd

@@ -136,6 +136,7 @@ var rank_button: Button
 var rank_dialog: ConfirmationDialog
 var event_log_dialog: AcceptDialog
 var weather_label: Label
+var weather_forecast_label: Label
 var guest_count_label: Button
 var dimension_migration_dialog: ConfirmationDialog
 var _dimension_migration_digest := ""
@@ -467,6 +468,11 @@ func _create_top_bar() -> Control:
 	weather_label.tooltip_text = "嵐の間は新規入館が停止します。現在のお客様は館内に残ります。"
 	weather_label.mouse_filter = Control.MOUSE_FILTER_STOP
 	row.add_child(weather_label)
+	# A13 forecast: the next change of today's weather (kind and time).
+	weather_forecast_label = _hud_value_label("", 72)
+	weather_forecast_label.name = "WeatherForecastLabel"
+	weather_forecast_label.mouse_filter = Control.MOUSE_FILTER_STOP
+	row.add_child(weather_forecast_label)
 
 	guest_count_label = Button.new()
 	guest_count_label.text = "来客  0人"
@@ -1550,6 +1556,16 @@ func _refresh_dashboard() -> void:
 		var weather_report: Dictionary = _runtime.get_weather_report()
 		var weather_names := {&"clear": "晴れ", &"rain": "雨", &"storm": "嵐", &"mana_fog": "マナ霧"}
 		weather_label.text = weather_names.get(weather_report.get(&"kind", &""), "天候 —")
+		var next_change: Dictionary = weather_report.get(&"next_change", {})
+		var forecast := "次: 予定なし"
+		if not next_change.is_empty():
+			var change_minute := posmod(int(next_change.get(&"minute", 0)), 1_440)
+			forecast = "次: %s %02d:%02d" % [weather_names.get(StringName(next_change.get(&"kind", &"")), "天候 —"), change_minute / 60, change_minute % 60]
+		var effect := String(weather_report.get(&"effect_text", ""))
+		weather_label.tooltip_text = "%s\n毎朝6時にその日の天候が決まります。" % effect if not effect.is_empty() else weather_label.tooltip_text
+		if weather_forecast_label != null:
+			weather_forecast_label.text = forecast
+			weather_forecast_label.tooltip_text = "%s\n%s" % [forecast, effect]
 	var guests := _call_array(_service(&"guest_service"), &"get_guests")
 	var queued_guests := 0
 	var served_guests := 0