less memory usage

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kamoshi 2019-12-11 18:47:35 +01:00 committed by GitHub
parent 9f6ca0fb85
commit d333184f33
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@ -5,9 +5,9 @@ import intcode.{Finished, Input, Machine, Ready}
import scala.collection.mutable
class Robot(software: Array[Long], init: Int = 0) {
class Robot(software: Array[Long], init: Byte = 0) {
private[this] val brain: Machine = new Machine(software)
private[this] val map: mutable.HashMap[(Int, Int), Int] = new mutable.HashMap()
private[this] val map: mutable.HashMap[(Int, Int), Byte] = new mutable.HashMap()
private[this] var location: (Int, Int) = (0, 0)
private[this] var direction: Direction = Up
@ -15,9 +15,9 @@ class Robot(software: Array[Long], init: Int = 0) {
def paintedPanels: Int = map.size
def updateColor(point: (Int, Int), color: Int): Unit = map(point) = color
def updateColor(point: (Int, Int), color: Byte): Unit = map(point) = color
def findColor(point: (Int, Int)): Int = map.getOrElse(point, 0)
def findColor(point: (Int, Int)): Byte = map.getOrElse(point, 0)
def nextLocation(point: (Int, Int), direction: Direction, command: Int): ((Int, Int), Direction) = {
(point, direction, command) match {
@ -36,6 +36,8 @@ class Robot(software: Array[Long], init: Int = 0) {
// This print function uses a naive approach of having stuff hardcoded for my output, so might require calibration
// TODO make this better
def printMap(): Unit = {
val list = map.toList // map as list, order irrelevant
val p = list.head._1 // some random first point
val matrix = Array.ofDim[Char](6, 46)
map.foreach(tuple => {
matrix(tuple._1._2+5)(tuple._1._1) = if (tuple._2 == 0) '.' else '#'
@ -62,7 +64,7 @@ class Robot(software: Array[Long], init: Int = 0) {
case Input =>
brain.enqueue(findColor(location))
brain.run()
updateColor(location, brain.output.toInt) // 1st output -> color
updateColor(location, brain.output.toByte) // 1st output -> color
val (p, d) = nextLocation(location, direction, brain.output.toInt) // 2nd output -> direction
location = p
direction = d