cc academy tutorial

-- Basic menus:
-- Creating programs
-- Text
-- Debugging
-- Variables
--
--

-- Advanced menus:
-- Pull event
-- input
-- loop
-- functions
-- redstone signal


local width, length = term.getSize()

function centerText(text,yCursor)
	local xPos =(width-string.len(text))/2
	term.setCursorPos(xPos, yCursor)
	write(text)
end




-------------------------
-- MAIN MENU


function nothingMenu()
	term.clear()
	term.setCursorPos(1,1)
	print("Nothing here yet")

	centerText("Click to go to menu", length-1)
	event = os.pullEvent("mouse_click")
	basicMenu()
end


function basicMenu()
	term.clear()
	centerText("Select subject", 1)
	centerText("Creating programs",5)
	centerText("Printing text", 7)
	centerText("Variables", 9)
	centerText("Another one", 11)
	centerText("Another one", 13)
	centerText("Reading errors", 15)

	local event, button, clickX, clickY = os.pullEvent("mouse_click")
	if clickY == 5 then
		fileMenu()
		elseif clickY == 7 then
		textMenu()
		elseif clickY == 9 then
		nothingMenu()
		elseif clickY == 11 then
		nothingMenu()
		elseif clickY == 13 then
		nothingMenu()
		elseif clickY == 15 then
		debugMenu()
	end

end

function fileMenu()
	term.clear()
	term.setCursorPos(1,1)
	print("To edit a file type edit [file name] without the square brackets. This will open the file. If the file doesn't exist yet, a file with the chosen name will be made.")
	print(" ")
	print("To save a file hit ctrl to bring up the menu. You can chose using the arrow keys and select by hitting enter.")
	print(" ")
	print("To run a program, enter the file name and hit enter.")

	centerText("Right click to go back", length-1)
	centerText("Left clcik to continue", length)

	local event, button = os.pullEvent("mouse_click")
	if button == 1 then
		fileMenu2()
		elseif button == 2 then
		basicMenu()
	end
end

function fileMenu2()
	term.clear()
	term.setCursorPos(1,1)
	print("To see available programs type 'ls' at a start screen")
	print(" ")
	print("To exit a program hold ctrl+t, or ctrl+r to reboot the computer")
	print(" ")
	print("When editing a file each line will count as one action in the program")
	print(" ")
	print("Anything written on a line starting with ''--'' will not be considered code.")
	print(" ")
	print("Command words are case sensitive")
	print(" ")
	print("Using the sleep() command will make the program wait a number of seconds specified by a number in the brackets. sleep(2) will make it wait two seconds")

	centerText("Right click to go back", length-1)
	centerText("left click for menu", length)

	local event, button = os.pullEvent("mouse_click")
	if button == 1 then
		basicMenu()
	elseif button == 2 then
		fileMenu()
	end
end


function textMenu()
	term.clear()
	term.setCursorPos(1,1)
	print("To make the program print a text use the command print(''your text''). It will look like this:")
	print(" ")
	print("your text")
	centerText("Right click for menu", length-1)
	centerText("Left clik to continue", length)

	local event, button = os.pullEvent("mouse_click")
	if button == 1 then
		term.clear()
		term.setCursorPos(1,1)
		print("You can also make the text roll in slowly by using the command textutils.slowPrint(''your text''). It will look like this:")
		print(" ")
		sleep(3)
		textutils.slowPrint("your text")
		centerText("Right click for menu", length-1)
		centerText("Left clik to continue", length)
	elseif button == 2 then
		basicMenu()
	end

	local event, button = os.pullEvent("mouse_click")
	if button == 1 then
		term.clear()
		term.setCursorPos(1,1)
		print("Or you can have the text centered by setting the cursor position: term.setCursorPos(x,y). Like this:")
		centerText("your text", length-10)
	elseif button == 2 then
		basicMenu()
	end

	while true do
		centerText("Right click for menu", length-1)
		local event, button = os.pullEvent("mouse_click")
		if button == 2 then
			basicMenu()
		end
	end
end


function debugMenu()
	term.clear()
	term.setCursorPos(1,1)

	print("If you make a mistake in a code you will get an error when running the program.")
	print("It will show the following information")
	print("bios:336: [string ''program name'']:line the error occurs in: Type of error")
	print(" ")
	print("The name of the program you're trying to run, what line the error occurs in and what type of error is occuring.")

	centerText("Click to continue", length-1)
	local event, button = os.pullEvent("mouse_click")
	term.clear()
	term.setCursorPos(1,1)

	centerText("Common errors:", 1)
	term.setCursorPos(1,2)
	print(" ")
	print("bios:366:[string ''Test'']:5: unfinished string")
	print(" ")
	print("There's an unfinished string in line 5 of the program Test")
	print("To fix, add '' at the end of your string.")

	centerText("Click to continue", length-1)
	local event, button = os.pullEvent("mouse_click")
	term.clear()
	term.setCursorPos(1,1)

	print("bios:366: [string ''test'']:3: ')' expected")
	print(" ")
	print("You haven't finished a command in line 3, and the program is expecting a ')' at the end")

	centerText("Click to continue", length-1)
	local event, button = os.pullEvent("mouse_click")
	term.clear()
	term.setCursorPos(1,1)

	print("bios:366: [string ''test'']:6: unexpected symbol")
	print(" ")
	print("You have used an unexpected symbol in line 6.")

	centerText("Click to continue", length-1)
	local event, button = os.pullEvent("mouse_click")
	term.clear()
	term.setCursorPos(1,1)

	print("bios:366: [string ''test'']:6: 'end' expected (to close 'if' at line 4)")
	print(" ")
	print("You have an unfinished if loop starting at line 4 and ending at line 6. You need to add an 'end'.")

	centerText(" Right click to go to menu", length-1)
	while true do
		local event, button = os.pullEvent("mouse_click")
		if button == 2 then
			mainMenu()
		end
	end
end









function mainMenu()
	term.clear()
	centerText("Select difficulty",1)
	centerText("Basic", 5)
	centerText("Advanced", 9)

	local event, button, clickX, clickY = os.pullEvent("mouse_click")
	if clickY >= 4 and clickY <=6 then
		basicMenu()
		elseif clickY >= 8 and cluckY <=10 then
		advancedMenu()
	end
end


-- LOOP
mainMenu()