Day 13 Complete

Fancy Maze Map

day13/main.go

@@ -9,8 +9,11 @@ import (
 	"time"
 
 	"github.com/fatih/color"
+	termbox "github.com/nsf/termbox-go"
 )
 
+var tWidth, tHeight int
+
 // Puzzle 1 Input: 1364 31 39
 // Puzzle 1 Test Input: 10 7 4
 func main() {
@@ -26,6 +29,11 @@ func main() {
 	}
 	f := CreateFloor(1, 1, destX, destY, seed)
 
+	if err := termbox.Init(); err != nil {
+		panic(err)
+	}
+	tWidth, tHeight = termbox.Size()
+	termbox.Close()
 	switch mode {
 	case "solve":
 		if f.Solve(f.start.x, f.start.y, 0, true) {
@@ -76,15 +84,7 @@ func (p *Path) Pop() Coord {
 	return ret
 }
 
-func (p *Path) ContainsCoord(c *Coord) bool {
-	for i := range p.coords {
-		if p.coords[i].Equals(c) {
-			return true
-		}
-	}
-	return false
-}
-func (p *Path) ContainsCoordXY(x, y int) bool {
+func (p *Path) ContainsCoord(x, y int) bool {
 	for i := range p.coords {
 		if p.coords[i].Is(x, y) {
 			return true
@@ -122,7 +122,7 @@ func CreateFloor(stX, stY, endX, endY, seed int) *Floor {
 
 func (f *Floor) Walk(x, y, dist, maxDist int, print bool) {
 	wrkCoord := Coord{x, y, dist}
-	if f.IsWall(x, y) || f.testedPath.ContainsCoordXY(x, y) {
+	if f.IsWall(x, y) || f.testedPath.ContainsCoord(x, y) {
 		return
 	}
 	if dist == maxDist {
@@ -182,7 +182,7 @@ func (f *Floor) Solve(x, y, dist int, print bool) bool {
 	if f.end.Is(x, y) {
 		return true
 	}
-	if f.IsWall(x, y) || f.testedPath.ContainsCoordXY(x, y) {
+	if f.IsWall(x, y) || f.testedPath.ContainsCoord(x, y) {
 		return false
 	}
 	// Test if there is a shorter path to this coordinate
@@ -266,7 +266,7 @@ func (f *Floor) Solve(x, y, dist int, print bool) bool {
 	// So we have a hard cutoff at:
 	var MaxInt = int(^uint(0) >> 1)
 	if len(f.testedPath.coords) >= MaxInt {
-		fmt.Println("Couldn't find a path.")
+		fmt.Println("ERROR: Couldn't find a path.")
 		os.Exit(1)
 	}
 	if f.Solve(x+1, y, wrkCoord.dist+1, print) {
@@ -295,19 +295,38 @@ func (f *Floor) Print() {
 	g := color.New(color.BgGreen).Add(color.FgBlack)
 	g.Add(color.Bold)
 	r := color.New(color.BgRed)
-	topY, topX := f.end.y+10, f.end.x+10
-
-	for y := 0; y < topY; y++ {
-		for x := 0; x < topX; x++ {
+	b := color.New(color.BgBlue).Add(color.BgBlack)
+	b.Add(color.Bold)
+	topY, topX := tHeight, tWidth
+	botY, botX := 0, 0
+	// We want to center approx 20x20 on our current location
+	// f.testedPath[len(f.testedPath)-1]?
+	if len(f.testedPath.coords) > 0 {
+		cntrCoord := f.testedPath.coords[len(f.testedPath.coords)-1]
+		if topY < cntrCoord.y+(tHeight/2) {
+			topY = cntrCoord.y + (tHeight / 2)
+		}
+		if topY > tHeight {
+			botY = topY - tHeight
+		}
+		if topX < cntrCoord.x+(tWidth/2) {
+			topX = cntrCoord.x + (tWidth / 2)
+		}
+		if topX > tWidth {
+			botX = topX - tWidth
+		}
+	}
+	for y := botY; y < topY; y++ {
+		for x := botX; x < topX; x++ {
 			if f.dispCoord != nil && f.dispCoord.Is(x, y) {
 				g.Print("O")
-			} else if f.solvePath.ContainsCoordXY(x, y) {
+			} else if f.solvePath.ContainsCoord(x, y) {
 				g.Print(".")
-			} else if f.testedPath.ContainsCoordXY(x, y) {
+			} else if f.testedPath.ContainsCoord(x, y) {
 				r.Print(" ")
 			} else {
 				if f.end.Is(x, y) {
-					space.Print("X")
+					b.Print("X")
 				} else if f.IsWall(x, y) {
 					wall.Print(" ")
 				} else {