screeps/default/role.attacker.js

module.exports = {
  name: 'attacker',
  prio: 10,
  tickInit () {
    for (let room of Object.values(Game.rooms)) {
      if (!room.memory.attacker) {
        room.memory.attacker = {}
      }
      if (room.find(FIND_STRUCTURES, {filter: s => s.structureType === STRUCTURE_TOWER}).length > 0) {
        room.memory.attacker.targetCount = 0
        continue
      }
      room.memory.attacker.targetCount = Math.min(room.find(FIND_HOSTILE_CREEPS).length, 2)
    }
  },
  nextSpawn (spawn, roleCreeps) {
    for (let room of Object.values(Game.rooms)) {
      if (_.filter(roleCreeps, {memory: {room: room.name}}).length < room.memory.attacker.targetCount) {
        return [
          [ATTACK, MOVE, ATTACK, MOVE, ATTACK, MOVE, ATTACK, MOVE, ATTACK, MOVE, ATTACK, MOVE],
          {room: room.name}
        ]
      }
    }
  },
  tick (creep) {
    let room = Game.rooms[creep.memory.room]
    let targetRoomName = creep.memory.room
    if (targetRoomName !== creep.pos.roomName
        && (_.filter(Game.creeps, {memory: {role: 'healer', room: targetRoomName}, spawning: false}).length < Memory.rooms[targetRoomName].healer.targetCount
            || _.filter(Game.creeps, {memory: {role: 'attacker', room: targetRoomName}, spawning: false}).length < Memory.rooms[targetRoomName].attacker.targetCount
            || _.filter(Game.creeps, {memory: {role: 'rangedAttacker', room: targetRoomName}, spawning: false}).length < Memory.rooms[targetRoomName].rangedAttacker.targetCount)
    ) {
      if (creep.ticksToLive < 1200) {
        creep.moveTo(creep.pos.findClosestByPath(FIND_MY_SPAWNS))
      }
      else {
        creep.moveTo(creep.pos.findClosestByPath(FIND_FLAGS, {
          filter: el => el.name.startsWith('gather'),
          visualizePathStyle: {stroke: '#0017ff'}
        }))
      }
      return
    }
    if (!room || targetRoomName !== creep.pos.roomName) {
      creep.moveTo(new RoomPosition(25, 25, creep.memory.room))
      return
    }
    if (creep.pos.x <= 1) {
      creep.move(RIGHT)
    } else if (creep.pos.y <= 1) {
      creep.move(BOTTOM)
    } else if (creep.pos.x >= 48) {
      creep.move(LEFT)
    } else if (creep.pos.y >= 48) {
      creep.move(TOP)
    }

    let targetCreep
    if (creep.memory.lastTarget) {
      targetCreep = Game.getObjectById(creep.memory.lastTarget)
      if (targetCreep && targetCreep.pos.roomName !== targetRoomName) {
        delete creep.memory.lastTarget
        targetCreep = undefined
      }
    }

    if (targetCreep && !creepIsAttacker(targetCreep)) {
      let closeAttackers = creep.pos.findInRange(FIND_HOSTILE_CREEPS, 3, {filter: c => c.getActiveBodyparts(ATTACK) > 0 && c.pos.roomName === targetRoomName})
      if (closeAttackers.length > 0) {
        targetCreep = closeAttackers[0]
      }
    }

    if (!targetCreep) {
      targetCreep = creep.pos.findClosestByRange(FIND_HOSTILE_CREEPS, {filter: c => (creepIsAttacker(c) || c.getActiveBodyparts(CARRY) >= 2) && c.pos.roomName === targetRoomName})
    }
    if (targetCreep) {
      creep.memory.lastTarget = targetCreep.id
      if (creep.attack(targetCreep) === ERR_NOT_IN_RANGE) {
        creep.moveTo(targetCreep.pos)
      }
    }
  },
}