@screeps/engine/dist/processor/intents/creeps/transfer.js

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

'use strict';

function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }

var _ = require('lodash'),
    utils = require('../../../utils'),
    driver = utils.getDriver(),
    C = driver.constants;

module.exports = function (object, intent, roomObjects, roomTerrain, bulk, bulkUsers) {

    if (object.type != 'creep') {
        return;
    }
    if (!_.contains(C.RESOURCES_ALL, intent.resourceType)) {
        return;
    }
    if (object.spawning || !(object[intent.resourceType] >= intent.amount) || intent.amount < 0) {
        return;
    }

    var target = roomObjects[intent.id];
    if (!target) {
        return;
    }
    if (Math.abs(target.x - object.x) > 1 || Math.abs(target.y - object.y) > 1) {
        return;
    }

    if (intent.resourceType == 'energy') {
        if (!_.contains(['spawn', 'creep', 'extension', 'link', 'storage', 'tower', 'powerSpawn', 'lab', 'terminal', 'container', 'nuker'], target.type)) {
            return;
        }
    } else if (intent.resourceType == 'power') {
        if (!_.contains(['creep', 'storage', 'powerSpawn', 'terminal', 'container'], target.type)) {
            return;
        }
    } else {
        if (!_.contains(['creep', 'storage', 'lab', 'terminal', 'container', 'nuker'], target.type)) {
            return;
        }
    }

    var amount = intent.amount;

    if (target.type == 'lab') {
        if (intent.resourceType != C.RESOURCE_ENERGY && target.mineralType && target.mineralType != intent.resourceType) {
            return;
        }

        var targetCapacityKey = intent.resourceType == C.RESOURCE_ENERGY ? 'energyCapacity' : 'mineralCapacity';
        var targetAmountKey = intent.resourceType == C.RESOURCE_ENERGY ? 'energy' : 'mineralAmount';

        if (target[targetAmountKey] >= target[targetCapacityKey]) {
            return;
        }
        if (target[targetAmountKey] + amount > target[targetCapacityKey]) {
            amount = target[targetCapacityKey] - target[targetAmountKey];
        }

        target[targetAmountKey] += amount;
        bulk.update(target, _defineProperty({}, targetAmountKey, target[targetAmountKey]));

        if (target.mineralAmount && !target.mineralType) {
            bulk.update(target, { mineralType: intent.resourceType });
        }
    } else {
        if (target.type == 'powerSpawn') {
            if (target[intent.resourceType] >= target[intent.resourceType + 'Capacity']) {
                return;
            }
            if (target[intent.resourceType] + amount > target[intent.resourceType + 'Capacity']) {
                amount = target[intent.resourceType + 'Capacity'] - target[intent.resourceType];
            }
        } else if (target.type == 'nuker') {
            if (intent.resourceType != C.RESOURCE_ENERGY && intent.resourceType != C.RESOURCE_GHODIUM) {
                return;
            }
            if (target[intent.resourceType] >= target[intent.resourceType + 'Capacity']) {
                return;
            }
            if (target[intent.resourceType] + amount > target[intent.resourceType + 'Capacity']) {
                amount = target[intent.resourceType + 'Capacity'] - target[intent.resourceType];
            }
        } else {
            var targetTotal = utils.calcResources(target);
            if (targetTotal >= target.energyCapacity) {
                return;
            }
            if (targetTotal + amount > target.energyCapacity) {
                amount = target.energyCapacity - targetTotal;
            }
        }

        target[intent.resourceType] = target[intent.resourceType] || 0;
        target[intent.resourceType] += amount;
        bulk.update(target, _defineProperty({}, intent.resourceType, target[intent.resourceType]));
    }

    object[intent.resourceType] -= amount;

    bulk.update(object, _defineProperty({}, intent.resourceType, object[intent.resourceType]));
};
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