Tower.js

'use strict';


StructureTower.prototype.run = function (localDefense) {
    let target = localDefense.getBestTarget();
    if(target){
        this.attack(target);
        return;
    }
    let healTarget = this.room.find(FIND_MY_CREEPS, {
        filter: (c) => c.hits < c.hitsMax
    })[0];
    if(healTarget){
        this.heal(healTarget);
        return;
    }
    let emergent = require('creep.utilities').emergentRepair;
    let repTarget = this.room.find(FIND_STRUCTURES, {
        filter: (s) => emergent(s)
    })[0];
    if(repTarget){
        this.repair(repTarget);
    }

};


/**
 * Calculates the power of tower on a specific object or location
 * @param x {RoomPosition | Object} A Room Object or an object containing one
 * @param basePower {number} Constants
 *      TOWER_POWER_ATTACK, TOWER_POWER_HEAL or TOWER_POWER_REPAIR
 * @return {number} Attack, Heal or Repair power on x
 */
StructureTower.prototype.getTowerPower = function (x, basePower) {
    let pos = x;
    if(!x instanceof RoomPosition){
        pos = x.pos;
    }
    const range = this.pos.getRangeTo(x);
    if(range <= TOWER_OPTIMAL_RANGE){
        return basePower;
    }
    if(range >= TOWER_FALLOFF_RANGE){
        return (1 - TOWER_FALLOFF) * basePower;
    }
    return Math.round((1 - TOWER_FALLOFF * (range - TOWER_OPTIMAL_RANGE) /
        (TOWER_FALLOFF_RANGE - TOWER_OPTIMAL_RANGE)) * basePower);
};