1 files changed, 74 insertions, 0 deletions
diff --git a/scala/ttt.scala b/scala/ttt.scala
new file mode 100644
index 0000000..f7fba1c
--- /dev/null
+++ b/scala/ttt.scala
@@ -0,0 +1,74 @@
+class Board(var layout: Array[Char]) {
+  if (!layout.mkString.matches("[xo ]{9}")) {
+    println("Invalid layout")
+    layout = "         ".toArray
+  }
+
+  def this() {
+    this("         ".toArray)
+  }
+
+  def show {
+    println("\n --- ")
+    println("|" + layout.mkString.substring(0,3) + "|")
+    println("|" + layout.mkString.substring(3,6) + "|")
+    println("|" + layout.mkString.substring(6,9) + "|")
+    println(" --- ")
+  }
+
+  def status:Char = {
+    // Horizontal
+    if (layout(0) == layout(1) && layout(1) == layout(2))
+      return layout(0)
+    else if (layout(3) == layout(4) && layout(4) == layout(5))
+      return layout(3)
+    else if (layout(6) == layout(7) && layout(7) == layout(8))
+      return layout(7)
+
+    // Vertical
+    else if (layout(0) == layout(3) && layout(3) == layout(6))
+      return layout(0)
+    else if (layout(1) == layout(4) && layout(4) == layout(7))
+      return layout(1)
+    else if (layout(2) == layout(5) && layout(5) == layout(8))
+      return layout(2)
+
+    // Diagonal
+    else if (layout(0) == layout(4) && layout(4) == layout(8))
+      return layout(0)
+    else if (layout(2) == layout(4) && layout(4) == layout(6))
+      return layout(2)
+
+    return if (layout.contains(' ')) ' ' else 't'
+  }
+
+  def play {
+    var st = status
+    var player = 'x'
+    var input = ""
+
+    reset
+    show
+    while (st == ' ') {
+      print("Player " + player + "> ")
+      input = readLine
+      if (input.matches("[0-8]") && layout(input.toInt) == ' ') {
+        layout(input.toInt) = player
+        show
+        player = if (player == 'x') 'o' else 'x'
+      }
+      st = status
+    }
+    if (status == 't')
+      println("There is a tie!")
+    else
+      println("The winner is " + status + "!")
+  }
+
+  def reset {
+    layout = "         ".toArray
+  }
+}
+
+var playBoard = new Board
+playBoard.play