Finished third tutorial

screeps.com/tutorial-3/main.js

@@ -0,0 +1,19 @@
+var roleHarvester = require('role.harvester');
+var roleBuilder = require('role.builder');
+
+module.exports.loop = function () {
+
+    for(var name in Game.rooms) {
+        console.log('Room "'+name+'" has '+Game.rooms[name].energyAvailable+' energy');
+    }
+
+    for(var name in Game.creeps) {
+        var creep = Game.creeps[name];
+        if(creep.memory.role == 'harvester') {
+            roleHarvester.run(creep);
+        }
+        if(creep.memory.role == 'builder') {
+            roleBuilder.run(creep);
+        }
+    }
+}

screeps.com/tutorial-3/role.builder.js

@@ -0,0 +1,41 @@
+/*
+ * 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.builder');
+ * mod.thing == 'a thing'; // true
+ */
+
+var roleBuilder = {
+
+    /** @param {Creep} creep **/
+    run: function(creep) {
+
+	    if(creep.memory.building && creep.store[RESOURCE_ENERGY] == 0) {
+            creep.memory.building = false;
+            creep.say('🔄 harvest');
+	    }
+	    if(!creep.memory.building && creep.store.getFreeCapacity() == 0) {
+	        creep.memory.building = true;
+	        creep.say('🚧 build');
+	    }
+
+	    if(creep.memory.building) {
+	        var targets = creep.room.find(FIND_CONSTRUCTION_SITES);
+            if(targets.length) {
+                if(creep.build(targets[0]) == ERR_NOT_IN_RANGE) {
+                    creep.moveTo(targets[0], {visualizePathStyle: {stroke: '#ffffff'}});
+                }
+            }
+	    }
+	    else {
+	        var sources = creep.room.find(FIND_SOURCES);
+            if(creep.harvest(sources[0]) == ERR_NOT_IN_RANGE) {
+                creep.moveTo(sources[0], {visualizePathStyle: {stroke: '#ffaa00'}});
+            }
+	    }
+	}
+};
+
+module.exports = roleBuilder;

screeps.com/tutorial-3/role.harvester.js

@@ -0,0 +1,27 @@
+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], {visualizePathStyle: {stroke: '#ffaa00'}});
+            }
+        }
+        else {
+            var targets = creep.room.find(FIND_STRUCTURES, {
+                    filter: (structure) => {
+                        return (structure.structureType == STRUCTURE_EXTENSION || structure.structureType == STRUCTURE_SPAWN) &&
+                            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'}});
+                }
+            }
+        }
+	}
+};
+
+module.exports = roleHarvester;