Improved harvester behaviour, reworked the job register system and added auto roadbuilding.

ClassSpawn.js

@@ -2,18 +2,30 @@ module.exports = {
 	setup: function () { StructureSpawn.prototype = _Spawn.prototype; }
 }
 
-
 class _Spawn extends StructureSpawn {
+	
+	begin(){
+		if (!this.memory.creepCounter) this.memory.creepCounter = 0;
+		this.memory.init = true;
+    }
+    
+    tick(){
+		if(!this.memory.init) this.begin(); 
+		if(this.room.memory.jobs.length){
+			const job = this.room.memory.jobs[0];
+			const body = [WORK, CARRY, MOVE];
+			const response = this.createCreep(body, "harvester", job);
+			if(response == OK) this.room.memory.jobs.splice(0, 1);
+		}
+    }
 
 	createHarvester() {
-		var body = [WORK, CARRY, MOVE];
 		this.createCreep(body, "harvester", Role.HARVESTER);
 	}
 
-	createCreep(body, name, role) {
-		if (this.memory.creepCounter == undefined) this.memory.creepCounter = 0;
+	createCreep(body, name, job) {
 		const response = this.spawnCreep(body, name + ": " + this.memory.creepCounter, {
-			memory: { job: { role: role } }
+			memory: { job: job }
 		});
 		if (response == OK) this.memory.creepCounter++;
 		return response;