__building_actions = {} function add_building_action(a) assert(a.index, "No building action index") assert(a.action, "No building action action") __building_actions[a.index] = a.action end function __bact_activate(bact) if __building_actions[bact] then return __building_actions[bact]() end end add_hook_script(HOOK_BUILDING_ACTION, "__bact_activate", "__bact_activate")