Finished second tutorial

screeps.com/tutorial-2/main.js

@@ -0,0 +1,15 @@
+var roleHarvester = require('role.harvester');
+var roleUpgrader = require('role.upgrader');
+
+module.exports.loop = function () {
+
+    for(var name in Game.creeps) {
+        var creep = Game.creeps[name];
+        if(creep.memory.role == 'harvester') {
+            roleHarvester.run(creep);
+        }
+        if(creep.memory.role == 'upgrader') {
+            roleUpgrader.run(creep);
+        }
+    }
+}

screeps.com/tutorial-2/role.harvester.js

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+var roleHarvester = {
+
+    /** @param {Creep} creep **/
+    run: function(creep) {
+	    if(creep.store.getFreeCapacity() > 0) {
+            var sources = creep.room.find(FIND_SOURCES);
+            if(creep.harvest(sources[0]) == ERR_NOT_IN_RANGE) {
+                creep.moveTo(sources[0]);
+            }
+        }
+        else if(Game.spawns['Spawn1'].energy < Game.spawns['Spawn1'].energyCapacity) {
+            if(creep.transfer(Game.spawns['Spawn1'], RESOURCE_ENERGY) == ERR_NOT_IN_RANGE) {
+                creep.moveTo(Game.spawns['Spawn1']);
+            }
+        }
+	}
+};
+
+module.exports = roleHarvester;

screeps.com/tutorial-2/role.upgrader.js

@@ -0,0 +1,28 @@
+/*
+ * Module code goes here. Use 'module.exports' to export things:
+ * module.exports.thing = 'a thing';
+ *
+ * You can import it from another modules like this:
+ * var mod = require('role.upgrader');
+ * mod.thing == 'a thing'; // true
+ */
+
+var roleUpgrader = {
+
+    /** @param {Creep} creep **/
+    run: function(creep) {
+	    if(creep.store[RESOURCE_ENERGY] == 0) {
+            var sources = creep.room.find(FIND_SOURCES);
+            if(creep.harvest(sources[0]) == ERR_NOT_IN_RANGE) {
+                creep.moveTo(sources[0]);
+            }
+        }
+        else {
+            if(creep.upgradeController(creep.room.controller) == ERR_NOT_IN_RANGE) {
+                creep.moveTo(creep.room.controller);
+            }
+        }
+	}
+};
+
+module.exports = roleUpgrader;