ServiceRoomCalc.js

"use strict";

const Service = require('Service');

module.exports = class ServiceRoomCalc extends Service
{
	constructor(locator)
	{
		super();

		this.screepsApi = locator.getService(SERVICE_NAMES.SCREEPS_API);
	}

	openPosAroundTakeNearestExcept(aroundThisPos, nearestThisPos, exceptThesePos)
	{
		let candidates =
			_.filter(
				this.filterBlockedPositions(
					this.getRoomPositionsInRange(aroundThisPos.x, aroundThisPos.y, aroundThisPos.roomName, 1)
				),
				function(rp)
				{
					for(let index in exceptThesePos)
						if( exceptThesePos[index][0] === rp.x &&
							exceptThesePos[index][1] === rp.y &&
							exceptThesePos[index][2] === rp.roomName)

							return false;
					return true;
				}
			);
		return nearestThisPos.findClosestByPath(candidates, {ignoreCreeps: true, ignoreRoads: true});
	}

	openPosAroundTakeNearest(aroundThisPos, nearestThisPos)
	{
		let candidates = this.filterBlockedPositions(
			this.getRoomPositionsInRange(aroundThisPos.x, aroundThisPos.y, aroundThisPos.roomName, 1));
		return nearestThisPos.findClosestByPath(candidates, {ignoreCreeps: true, ignoreRoads: true});
	}

	getRoomPositionsInRange(centerX, centerY, roomName, range)
	{
		let results = [];

		for(let x = centerX - range; x <= centerX + range; x++)
		{
			if(! this.isOnRoomInside(x))
				continue;

			for(let y = centerY - range; y <= centerY + range; y++)
			{
				if(! this.isOnRoomInside(y) || (x === centerX && y === centerY))
					continue;

				results.push(this.screepsApi.getRoomPosition([x, y, roomName]));
			}
		}
		return results;
	}

	filterBlockedPositions(positions)
	{
		let result = [];

		positions.forEach((position) =>
		{
			if(position.lookFor(LOOK_TERRAIN)[0] !== "wall")
				result.push(position);
		});

		return result;
	}

	isInRoom(val)
	{
		return val >= 0 && val <= 49;
	}

	isOnRoomInside(val)
	{
		return val > 0 && val < 49;
	}

	isOnRoomBoarder(val)
	{
		return val === 0 || val === 49;
	}

};