added alerts

cybersyn/scripts/alerts.lua

@@ -0,0 +1,38 @@
+--By Mami
+
+local send_missing_train_alert_for_stop_icon = {name = MISSING_TRAIN_NAME, type = "fluid"}
+function send_missing_train_alert_for_stops(r_stop, p_stop)
+	for _, player in pairs(r_stop.force.players) do
+		player.add_custom_alert(
+			r_stop,
+			send_missing_train_alert_for_stop_icon,
+			{"cybersyn-messages.missing-trains", r_stop.backer_name, p_stop.backer_name},
+			true
+		)
+	end
+end
+
+local send_lost_train_alert_icon = {name = LOST_TRAIN_NAME, type = "fluid"}
+function send_lost_train_alert(train)
+	for _, player in pairs(train.force.players) do
+		player.add_custom_alert(
+			train,
+			send_lost_train_alert_icon,
+			{"cybersyn-messages.lost-train"},
+			true
+		)
+	end
+end
+
+
+local send_nonempty_train_in_depot_alert_icon = {name = NONEMPTY_TRAIN_NAME, type = "fluid"}
+function send_nonempty_train_in_depot_alert(train)
+	for _, player in pairs(train.force.players) do
+		player.add_custom_alert(
+			train,
+			send_nonempty_train_in_depot_alert_icon,
+			{"cybersyn-messages.nonempty-train"},
+			true
+		)
+	end
+end