Path algo1

if(creep.harvest(Game.getObjectById(creep.memory.targetId)) != OK){

    if(!creep.memory.path){                     /** if no path registered to source **/
        getSourceId.run(creep);                     /** search an availlable source and lock creep on it **/
        creep.memory.path = pathFind.run(creep); /** calculate Path to target or exit **/
    }

    var Path = creep.memory.path;

    if(creep.pos == Path[Path.length-1]){        /** if creep is at end of path ( on exit or stuck by something) **/
        creep.memory.path = pathFind.run(creep); /** recalculate path **/
    }

    creep.moveByPath(Path);               follow path

    /** var Path = pathFind.run(creep);  calculate path each tick

    if(Path[0] != undefined){           if Path exist
        creep.move(Path[0].direction);  move
    }
    else{
        getSourceId.run(creep);          find source
    }
    **/


}