Create tower.ms

00_Alternate_Languages/90_Tower/MiniScript/tower.ms

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+kInvalidDisk = 100
+kNotTopDisk = 200
+kNotTower = 300
+kGameOver = 300
+
+Tower = {"disks": []}
+Tower.init = function
+	noob = new Tower
+	noob.disks = []
+	return noob
+end function
+
+Tower.height = function
+	return self.disks.len
+end function
+
+Tower.top = function
+	if self.height == 0 then return 100
+	return self.disks[-1]
+end function
+
+Game = {}
+Game["towers"] = []
+Game["numOfDisks"] = 0
+Game["rangeOfDisks"] = []
+Game["selectedDisk"] = 0
+Game["selectedDiskOn"] = 0
+Game["selectedTower"] = 0
+Game["inputErrors"] = 0
+Game["turns"] = 0
+
+Game.display = function
+	print
+	for r in range(7,1,-1)
+		rowstr = ""
+		for tower in self.towers
+			if r > tower.height then
+				rowstr += " " * 12 + "#" + " " * 7
+			else
+				spaces = (15 - tower.disks[r-1])/2
+				disks = " " * 4 + tower.disks[r-1]
+				rowstr += disks[-5:] + " " * spaces
+				rowstr += "#" * tower.disks[r-1]
+				rowstr += " " * spaces
+			end if
+			rowstr += " "
+		end for
+		print rowstr
+	end for
+	rowstr = (" " * 5 + "=" * 15 + " ") * 3
+	print rowstr
+	print
+end function
+
+Game.init = function(num)
+	if num < 1 or num > 7 then
+		self.inputErrors += 1
+		return false
+	end if
+	Game.towers = []
+	for i in range(0,2)
+		Game.towers.push(Tower.init)
+	end for
+	
+	first = self.towers[0]
+	first.disks = range(15, 17 - num * 2, -2)
+	self.numOfDisks = num
+	self.rangeOfDisks = range(17 -num * 2, 15, 2)
+	
+	// This game doesn't like to be bothered
+	// and keeps track of how many incorrect inputs
+	// are made before it stops the game
+	self.inputErrors = 0
+	self.turns = 0
+	return true
+end function
+
+Game.diskStatus = function
+	n = self.selectedDisk
+	if self.rangeOfDisks.indexOf(n) == null then
+		self.inputErrors +=1
+		return kInvalidDisk
+	end if
+	self.inputErrors = 0
+	for i in range(0, self.towers.len - 1)
+		if self.towers[i].top == n then
+			self.selectedDiskOn = i
+			self.inputErrors = 0
+			return i
+		end if
+	end for
+	return kNotTopDisk
+end function
+
+Game.pickDisk = function
+	self.selectedDisk = input("Which disk would you like to move? ").val
+	return self.diskStatus
+end function
+
+Game.pickTower = function
+	self.selectedTower = input("Place disk on which needle? ").val - 1
+	if not(0<= self.selectedTower and self.selectedTower <= 2) then
+		self.inputErrors += 1
+		return kNotTower
+	end if
+	return self.selectedTower
+end function
+
+Game.doneWithYou = function
+	return self.inputErrors >= 2
+end function
+
+Game.isFinish = function
+	return self.towers[0].disks.len == 0 and self.towers[1].disks.len == 0
+end function
+
+Game.move = function
+	print "Take turn # " + (self.turns + 1)
+	status = -1
+	self.inputErrors = 0
+	while 1
+		status = self.pickDisk
+		if 0 <= status and status <= 2 then break
+		if status == kInvalidDisk and self.doneWithYou then
+			print "Stop wasting my time. Go bother someone else."
+			exit
+		else if status == kInvalidDisk then
+			msg = "Illegal entry ... you may only type "
+			msg += self.rangeOfDisks[0:-1].join(",") + " "
+			if self.rangeOfDisks.len > 1 then
+				msg += "or "
+			end if
+			msg += "15"
+			print msg
+		else if status == kNotTopDisk then
+			print "That disk is below another. Make another choice."
+		end if
+	end while
+	
+	self.inputErrors = 0
+	while 1
+		status = self.pickTower
+		if 0 <= status and status <= 2 then break
+		if status == kNotTower and self.doneWithYou then
+			print "I tried to warn you. But you wouldn't listen."
+			print "By bye, big shot."
+			exit
+		else if status == kNotTower then
+			print "I'll assume you hit the wrong ket this time. But watch it"
+			print "I only allow one mistake."
+		end if
+	end while
+	
+	if self.selectedDisk > self.towers[self.selectedTower].top then
+		print "You can't place a larger disk on a top of a smaller one,"
+		print "it may crush it!"
+	else
+		n=self.towers[self.selectedDiskOn].disks.pop
+		self.towers[self.selectedTower].disks.push(n)
+		self.turns += 1
+		self.inputErrors = 0
+	end if
+end function
+
+
+print " " * 33 + "TOWERS"
+print " " * 15 + "CREATIVE COMPUTING  MORRISTOWN, NEW JERSEY"
+print;print
+print "You must transfer the disks from the left to the right"
+print "tower, one at a time, never putting a larger disk on a"
+print "smaller disk."
+print
+
+ans = "Y"
+while ans[0].upper == "Y"
+	while 1
+		disks = input ("How many disks do you want to move (7 is MAX)? ").val
+		status = Game.init(disks)
+		if status == false and Game.doneWithYou then
+			print "All right, wise guy, if you can't play the game right, I'll"
+			print "take my puzzle and go home. So long."
+			exit
+		else if not status then
+			print "Sorry, but I can't do that job for you"
+		else
+			break
+		end if
+	end while
+	
+	while not Game.isFinish
+		Game.display
+		
+		Game.move
+	end while
+	Game.display
+	print "Congratulations!"
+	print "You performed the task in " + Game.turns + " moves."
+	print
+	ans = input("Play again (Yes or No)? ")
+end while
+print
+print "Thanks for the game!"