local lg = assert( love.graphics )
local scene = assert( require 'client.scene' )
local shared = assert( require 'shared' )
local server = assert( require 'client.udp' )
local crepuscular = assert( require 'client.crepuscular' )

local game = {}
local t = 0
local tick = 0
local serverTick = "0"


function game.draw()
  lg.print( tick, 0, 0 )
  lg.print( serverTick, 0, 25 )
end

function game.onPacket( data )
  if not data then return end
  serverTick = data 
  return game.onPacket( server.receive() ) --Recurse to get all waiting packets.
end

function game.update( dt )
  t = dt + t
  game.onPacket( server.receive() )
  if t > 0.1 then
    t = 0
    tick = tick + 1
    assert( server.send( tostring(tick) ) )
  end
end

function game.newGame( )
  game.curWorld = shared.NewWorld() --Last world state received from server.
  game.preWorld = shared.NewWorld() --Current world state predicted by this client.
end

function game.disconnect( )
  return scene.mainmenu( server.disconnect() )
end

function game.onLoad( params )
end

function game.keypressed( key, code, isRepeat )
  if code == "escape" then return game.disconnect() end
end

scene.game = game
return game