func solveMaze() {
// Need to start with waking up to initialize a new maze
// You'll probably want to set this to a named value and start by figuring
// out which step to take next
explored := make(map[common.Coordinate]Survey)
src := common.NewCoordinate(0, 0)
explored[src] = Survey{awake()}
path := newPath()
path.push(src)
for {
icarus, _ := path.top()
if next, dir, found := pickNeighbor(icarus, explored); found {
survey, err := Move(d2s[dir])
if err == mazelib.ErrVictory {
return
}
if err != nil {
panic(err)
}
path.push(next)
explored[next] = Survey{survey}
} else {
dst, err := path.backtrack(explored)
if err != nil {
panic(err)
}
goback(icarus, dst, explored)
}
}
}
// cutv tries to cut the rect vertically
func (r rect) cutv(src, dst common.Coordinate) (rect, common.Coordinate, rect, common.Coordinate, bool) {
if src.X == dst.X || r.W <= cutLimit {
return rect{}, common.Coordinate{}, rect{}, common.Coordinate{}, false
}
cx := (src.X+dst.X)/2 + 1
cy := rand.Intn(r.H) + r.Y
if cy == src.Y || cy == dst.Y {
cy = rand.Intn(r.H) + r.Y
}
r1 := rect{X: r.X, Y: r.Y, W: cx - r.X, H: r.H}
r2 := rect{X: cx, Y: r.Y, W: r.W - r1.W, H: r.H}
if r1.contains(src) {
return r1, common.NewCoordinate(cx-1, cy), r2, common.NewCoordinate(cx, cy), true
}
return r2, common.NewCoordinate(cx, cy), r1, common.NewCoordinate(cx-1, cy), true
}
func createMaze() *Maze {
m := emptyMaze()
sx, sy := rand.Intn(m.Width()), rand.Intn(m.Height())
dx, dy := rand.Intn(m.Width()), rand.Intn(m.Height())
for dx == sx && dy == sy {
dx, dy = rand.Intn(m.Width()), rand.Intn(m.Height())
}
m.SetStartPoint(sx, sy)
m.SetTreasure(dx, dy)
m.addBoundary()
m.buildMaze(common.NewCoordinate(sx, sy), common.NewCoordinate(dx, dy))
return m
}
// cuth tries to cut the rect horizontally
func (r rect) cuth(src, dst common.Coordinate) (rect, common.Coordinate, rect, common.Coordinate, bool) {
if src.Y == dst.Y || r.H <= cutLimit {
return rect{}, common.Coordinate{}, rect{}, common.Coordinate{}, false
}
cy := (src.Y+dst.Y)/2 + 1
cx := rand.Intn(r.W) + r.X
if cx == src.X || cx == dst.X {
cx = rand.Intn(r.W) + r.X
}
r1 := rect{X: r.X, Y: r.Y, W: r.W, H: cy - r.Y}
r2 := rect{X: r.X, Y: cy, W: r.W, H: r.H - r1.H}
if r1.contains(src) {
return r1, common.NewCoordinate(cx, cy-1), r2, common.NewCoordinate(cx, cy), true
}
return r2, common.NewCoordinate(cx, cy), r1, common.NewCoordinate(cx, cy-1), true
}