LÖVE

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require "menu"
require "cell"
function love.load()
	s={}
	medium= love.graphics.newFont(40)
	love.graphics.setBackgroundColor(200,150,100)
	gamestate="menu"
	button_spawn(20,100,"Start","start")
	button_spawn(20,250,"Quit", "quit")
end

function love.update()
end

function love.draw()

 if gamestate=="playing" then
	board()
 end
 
 if gamestate=="menu" then 
 button_draw()
 end
end

function love.mousepressed(x,y)
	if gamestate=="menu" then
	button_click(x,y)
	end
end

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function check_win()
for i=1, 3 do
if b(i) ~= nil and b(i) == b(i+3) and b(i) == b(i+6) then
         winner = b(i)
elseif b(i-) ~= nil and b(i) == b(i+1) and b(i) == b(i+2) then
         winner = b(i)
end
end
if b(1) ~= nil and b(1) == b(5) and b(1) == b(9) then
      winner = b(1)
   elseif b(3) ~= nil and b(3) == b(5) and b(3) == b(7) then
      winner = b(3)
   end
if winner ~= nil then
      text.text = (winner and 'You win!' or 'Computer wins!')
      win = true
   end
   if win == false and moves == 9 then
      win = true
      text.text = 'Draw!'
   end
end

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function cell_click()

if win == false then
      if s.cell ~= true and s.cell ~= false then
         moves = moves + 1
         s.cell = move
         move = not move
         check_win() --checks, if someone wins
         if move == false and win == false then ai() end 
      end
   else --restart game if someone wins and player clicks on the field
      for i = 1, 9 do cells._c[i].cell = nil end
      text.text = ''
      move = true
      win = false
      moves = 0
   end
end

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for i = 1, 2 do
  love.graphics.line(i * size_of_one_square,0,i * size_of_one_square,3 * size_of_one_square)
  love.graphics.line(0,i * size_of_one_square,3 * size_of_one_square,i * size_of_one_square)
end

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for i = 1, 9 do
  love.graphics.circle("line",math.mod(i - 0.5,3) * size_of_one_square,(math.ceil(i / 3) - 0.5) * size_of_one_square,size_of_one_square / 2,32)
end

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local x = mouse_x / size_of_one_square
local y = mouse_y / size_of_one_square
local p = 3 * math.floor(y) + math.ceil(x)