2018 Day 17 Complete!

2018/day17/day17.go

@@ -3,182 +3,20 @@ package main
 import (
 	"bufio"
 	"fmt"
-	"log"
 	"os"
-	"strconv"
-	"strings"
-	"time"
-)
-
-const (
-	MAX_INT      = int(^uint(0) >> 1)
-	MIN_INT      = -MAX_INT - 1
-	CLEAR_SCREEN = "\033[H\033[2J"
-	DEBUG        = true
-	SLOW_IT_DOWN = true
-
-	FLOW_NO = iota
-	FLOW_D
-	FLOW_LR
-	FLOW_L
-	FLOW_R
-	FLOW_ERR
 )
 
 func main() {
-	input := stdinToStringSlice()
-	part1(input)
-	//part2(input)
+	inp := StdinToStringSlice()
+	m := NewMap(inp)
+	m.Flood()
+	fmt.Println("# Part 1")
+	fmt.Printf("Water Spots: %d\n", m.Count(KindWater|KindFlow))
+	fmt.Println("# Part 2")
+	fmt.Printf("Water Spots: %d\n", m.Count(KindWater))
 }
 
-var scan [2000][2000]byte
-var minX, maxX int = MAX_INT, MIN_INT
-var minY, maxY int = MAX_INT, MIN_INT
-
-func part1(input []string) {
-	for _, v := range input {
-		pts := strings.Split(v, ", ")
-		fst := strings.Split(pts[0], "=")
-		scd := strings.Split(pts[1], "=")
-		scdRange := strings.Split(scd[1], "..")
-		var x, y int
-		if fst[0] == "x" {
-			x = Atoi(fst[1])
-			for y = Atoi(scdRange[0]); y <= Atoi(scdRange[1]); y++ {
-				if y < 50 && x > 450 && x < 550 {
-					minmax(x, y)
-					scan[x][y] = '#'
-				}
-			}
-		} else if fst[0] == "y" {
-			y = Atoi(fst[1])
-			for x := Atoi(scdRange[0]); x <= Atoi(scdRange[1]); x++ {
-				if y < 50 && x > 450 && x < 550 {
-					minmax(x, y)
-					scan[x][y] = '#'
-				}
-			}
-		}
-	}
-	// The water starts at 500, 0
-	for {
-		printScan()
-		if SLOW_IT_DOWN {
-			time.Sleep(time.Millisecond * 250)
-		}
-		if !fillSpot(500, 1) {
-			break
-		}
-	}
-	printScan()
-}
-
-func part2(input []string) {
-}
-
-func fillSpot(x, y int) bool {
-	if y > maxY {
-		return false
-	} else if !canFill(x, y) {
-		return false
-	}
-
-	if scan[x][y] == 0 {
-		scan[x][y] = '|'
-		return true
-	}
-
-	if canFill(x, y+1) {
-		return fillSpot(x, y+1)
-	} else if canFill(x-1, y) && canFill(x+1, y) {
-		return fillLeft(x-1, y) || fillRight(x+1, y)
-	} else if canFill(x-1, y) {
-		return fillLeft(x-1, y)
-	} else if canFill(x+1, y) {
-		return fillRight(x+1, y)
-	}
-
-	scan[x][y] = '~'
-	return true
-}
-
-func fillLeft(x, y int) bool {
-	if !canFill(x, y) {
-		return false
-	}
-
-	if scan[x][y] == 0 {
-		scan[x][y] = '|'
-		return true
-	}
-
-	if canFill(x, y+1) {
-		return fillSpot(x, y+1)
-	} else if canFill(x-1, y) {
-		return fillLeft(x-1, y)
-	}
-
-	scan[x][y] = '~'
-	return true
-}
-
-func fillRight(x, y int) bool {
-	if !canFill(x, y) {
-		return false
-	}
-
-	if scan[x][y] == 0 {
-		scan[x][y] = '|'
-		return true
-	}
-
-	if canFill(x, y+1) {
-		return fillSpot(x, y+1)
-	} else if canFill(x+1, y) {
-		return fillRight(x+1, y)
-	}
-
-	scan[x][y] = '~'
-	return true
-}
-
-func gud(x, y int) bool {
-	return x != MIN_INT && y != MIN_INT
-}
-
-func printScan() {
-	fmt.Print(CLEAR_SCREEN)
-	for y := minY; y <= maxY; y++ {
-		for x := minX; x <= maxX; x++ {
-			if scan[x][y] == 0 {
-				fmt.Print(".")
-			} else {
-				fmt.Print(string(scan[x][y]))
-			}
-		}
-		fmt.Println()
-	}
-}
-func canFill(x, y int) bool {
-	return scan[x][y] == 0 || scan[x][y] == '|'
-}
-
-func minmax(x, y int) {
-	if x < minX {
-		minX = x
-	}
-	if x > maxX {
-		maxX = x
-	}
-	if y < minY {
-		minY = y
-	}
-	if y > maxY {
-		maxY = y
-	}
-}
-
-func stdinToStringSlice() []string {
+func StdinToStringSlice() []string {
 	var input []string
 	scanner := bufio.NewScanner(os.Stdin)
 	for scanner.Scan() {
@@ -186,12 +24,3 @@ func stdinToStringSlice() []string {
 	}
 	return input
 }
-
-func Atoi(i string) int {
-	var ret int
-	var err error
-	if ret, err = strconv.Atoi(i); err != nil {
-		log.Fatal("Invalid Atoi: " + i)
-	}
-	return ret
-}