role.carrier.js

let roles = {
    builder: require('role.builder'),
};

var roleCarrier = {

    /** @param {Creep} creep **/
    run: function (creep) {
        if (creep.store.getFreeCapacity() > 0) {
            const target = creep.pos.findClosestByRange(FIND_DROPPED_RESOURCES);
            if (target) {
                if (creep.pickup(target) === ERR_NOT_IN_RANGE) {
                    creep.moveTo(target);
                }
            }
        } else {
            let targets = creep.room.find(FIND_STRUCTURES, {
                filter: (structure) => {
                    return (structure.structureType === STRUCTURE_EXTENSION
                        || structure.structureType === STRUCTURE_SPAWN
                        || structure.structureType === STRUCTURE_CONTAINER) &&
                        structure.store.getFreeCapacity(RESOURCE_ENERGY) > 0;
                }
            });
            if (targets.length > 0) {
                if (creep.transfer(targets[0], RESOURCE_ENERGY) === ERR_NOT_IN_RANGE) {
                    creep.moveTo(targets[0], {visualizePathStyle: {stroke: '#ffffff'}});
                }
            } else {
                roles.builder.run(creep);
            }
        }
    }
};

module.exports = roleCarrier;