export function FindCapacity(creep: Creep) { return creep.room.find(FIND_STRUCTURES, { filter: (structure: StructureSpawn | StructureExtension) => { let type = structure.structureType; return ( (type == STRUCTURE_EXTENSION || type == STRUCTURE_SPAWN) && structure.store.getFreeCapacity(RESOURCE_ENERGY) as number > 0 ) } }) }