switch (FEAT_TRAINS, SELF, box_car_antelope_gen_1_1_switch_cargo_capacity, cargo_classes & bitmask(CC_MAIL)) { bitmask(CC_MAIL): return 110; return 55; } (ITEM) graphics { default: box_car_antelope_gen_1_1_switch_graphics; cargo_capacity: box_car_antelope_gen_1_1_switch_cargo_capacity; purchase_cargo_capacity: box_car_antelope_gen_1_1_switch_cargo_capacity; }