Hooks
static bool BeforeTradeRouteHeuristic(int iFromX, int iFromY, int iToX, int iToY, int& result);static void AfterTradeRouteHeuristic(int iFromX, int iFromY, int iToX, int iToY, int& result);static int ReplaceTradeRouteHeuristic(int (*original)(int, int, int, int), int iFromX, int iFromY, int iToX, int iToY);CivRegisterBefore<CivHooks::TradeRouteHeuristic>(host, &BeforeTradeRouteHeuristic);CivRegisterAfter<CivHooks::TradeRouteHeuristic>(host, &AfterTradeRouteHeuristic);CivRegisterReplace<CivHooks::TradeRouteHeuristic>(host, &ReplaceTradeRouteHeuristic);