Merge pull request #11212 from patrikolesen/18_uruguay_buy_shares_loan

[18Uruguay] Allow more than 60% to cover for loans

lib/engine/game/g_18_uruguay/step/buy_sell_par_shares.rb

@@ -7,10 +7,18 @@ module Game
     module G18Uruguay
       module Step
         class BuySellParShares < Engine::Step::BuySellParShares
-          def can_buy?(entity, bundle)
+          def can_gain?(entity, bundle, exchange: false)
             return false if bundle&.corporation == @game.rptla && !@game.phase.status.include?('rptla_available')
+            return true if excess_loans?(entity, bundle)
 
-            super(entity, bundle)
+            super
+          end
+
+          def excess_loans?(_entity, bundle)
+            return false if bundle.nil?
+            return false if bundle.owner.corporation?
+
+            bundle.corporation.loans.size > @game.maximum_loans(bundle.corporation)
           end
         end
       end