@screeps/engine/dist/processor/intents/creeps/invaders/healer.js

This is a module for Screeps standalone server. See [main repository](https://github.com/screeps/screeps) for more info.

'use strict';

const _ = require('lodash'),
      utils = require('../../../../utils'),
      driver = utils.getDriver(),
      C = driver.constants,
      fakeRuntime = require('../../../common/fake-runtime'),
      flee = require('./flee');

module.exports = function (creep, context) {
    const scope = context.scope,
          intents = context.intents,
          invaders = context.invaders;


    let healTargets = _.filter(invaders, c => utils.dist(c, creep) <= 3);
    if (_.some(healTargets)) {
        const healTarget = _.first(healTargets.sort((a, b) => b.hitsMax - b.hits - (a.hitsMax - a.hits)));
        if (utils.dist(creep, healTarget) <= 1) {
            intents.set(creep._id, 'heal', { id: healTarget._id, x: healTarget.x, y: healTarget.y });
        } else {
            intents.set(creep._id, 'rangedHeal', { id: healTarget._id });
        }
    }

    if (creep.hits < creep.hitsMax / 2) {
        if (!flee(creep, 4, context)) {
            const fleeTarget = fakeRuntime.findClosestByPath(creep, _.filter(invaders, c => c != creep && fakeRuntime.hasActiveBodyparts(c, C.HEAL)), null, scope);

            if (fleeTarget) {
                const direction = fakeRuntime.moveTo(creep, fleeTarget, { range: 1 }, scope);
                if (direction) {
                    intents.set(creep._id, 'move', { direction });
                }
            }
        }

        return;
    }

    let target = fakeRuntime.findClosestByPath(creep, _.filter(invaders, c => c.hits < c.hitsMax), null, scope);
    if (!target) {
        if (flee(creep, 4, context)) {
            return;
        }
        target = fakeRuntime.findClosestByPath(creep, _.filter(invaders, c => c != creep && !fakeRuntime.hasActiveBodyparts(c, C.HEAL)), null, scope);
    }

    if (!target) {
        intents.set(creep._id, 'suicide', {});
        return;
    }
    let direction = 0;
    if (utils.dist(creep, target) <= 1) {
        direction = utils.getDirection(target.x - creep.x, target.y - creep.y);
    } else {
        direction = fakeRuntime.moveTo(creep, target, { range: 1 }, scope);
    }
    if (direction) {
        intents.set(creep._id, 'move', { direction });
    }
};
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