role.defender.js

var roleDefender = {
    run: function (creep) {
        var attack_targets = creep.room.find(FIND_HOSTILE_CREEPS);
        var attack_target = creep.pos.findClosestByPath(attack_targets);
        var rampartsAvailable = _.filter(creep.room.find(FIND_STRUCTURES), (s) => s.structureType === STRUCTURE_RAMPART && s.room.lookForAt(LOOK_CREEPS, s.pos).length === 0);
        var closestRampart = creep.pos.findClosestByPath(rampartsAvailable);
        let closest_rampart_to_defender = creep.pos.findClosestByPath(creep.room.find(FIND_STRUCTURES, s => s.structureType === STRUCTURE_RAMPART))

        // If enemies in room -> set memory attacking to true
        if (attack_targets.length > 0) {
            creep.memory.attacking = true;
        }
        else {
            creep.memory.attacking = false;
        }
        // TO DO set last known location into memory as place to go if no enemies in room 
        if (creep.memory.attacking) {
            if (creep.attack(attack_target) === ERR_NOT_IN_RANGE) {
                creep.moveTo(attack_target, { visualizePathStyle: { stroke: '#ff0051' } });
                console.log('Attacker Creep: ' + creep.name + ' is attacking ' + attack_target.name + ' in room: ' + creep.room.name)
            }
            if (rampartsAvailable.length > 0 && creep.pos != closestRampart.pos || creep.pos != closest_rampart_to_defender.pos) {
                creep.moveTo(closestRampart);
            }
            else if (rampartsAvailable.length === 0) {
                //creep.say("No Ramparts Available!")
            }
            //if(creep.pos === closestRampart.pos){
            //    creep.attack(attack_target);
            //}
        }
        // If memory attacking not true
        else {
            // If creep has targetRampart in memory
            if (creep.memory.targetRampart) {
                console.log('debuuug')
                let targetRampart = Game.getObjectById(creep.memory.targetRampart)
                // If creep on targetRampat -> delete targetRampart memory and set inPlace to be true!
                if (creep.pos.x === targetRampart.pos.x && creep.pos.y === targetRampart.pos.y) {
                    console.log('[DEBUG] role.defender test msg')
                    delete creep.memory.targetRampart;
                    creep.memory.inPlace = true;
                }
                else if (creep.room.lookForAt(LOOK_CREEPS, targetRampart.pos).length > 0) {
                    delete creep.memory.targetRampart
                }
                else {
                    creep.moveTo(targetRampart);
                }
            }
            else {
                if (creep.memory.inPlace) {
                    if (creep.room.lookForAt(LOOK_STRUCTURES, creep.pos)) {
                        //creep.say('holding pos')
                    }
                }
                if (!creep.memory.inPlace) {
                    if (rampartsAvailable.length > 0) {
                        creep.memory.targetRampart = creep.pos.findClosestByPath(rampartsAvailable).id;
                    }
                }
            }
        }
    }
};

module.exports = roleDefender;