LÖVE

Code: Select all

-- game.lua

local Gamestate = require "hump.gamestate"

local game = {}

function game:enter()
    Entities.clear()
    -- setup entities here
end

function game:update(dt)
    Entities.update(dt)
end

function game:draw()
    Entities.draw()
end

return game

-----------------------------------------------------------------

-- menu.lua

local Gamestate = require "hump.gamestate"

local game

local menu = {}

function menu:init()
    game = require "game"
end

function menu:draw()
    love.graphics.print("Press Enter to continue", 10, 10)
end

function menu:keyreleased(key, code)
    if key == 'return' then
        Gamestate.switch(game)
    end
end

return menu

-----------------------------------------------------------------

-- main.lua

local Gamestate = require "hump.gamestate"

local menu, game

function love.load()
    menu = require "menu"
    game = require "game" -- This is only needed because of the registerEvents call below; if you're doing stuff manually, then this can be avoided here.
    Gamestate.registerEvents()
    Gamestate.switch(menu)
end

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STATE = require "menu" -- start with this state

function load_state(new_state)
  if STATE.exit then STATE.exit() end
  STATE = new_state
  if STATE.enter then STATE.enter() end
end

function love.draw()
  if STATE.draw then STATE.draw() end
end

function love.update(dt)
  if STATE.update then STATE.update(dt) end
end

function love.keypressed(...)
  if STATE.keypressed then STATE.keypressed(...) end
end

-- etc

Code: Select all

local selected_menu_entry
menu_entries = { "start", "leave" }

return {
  enter = function ()
    selected_menu_entry = 0
  end, 
  keypressed = function (key)
    if key == "up" then
      selected_menu_entry = selected_menu_entry - 1
    elseif key == "down"
      selected_menu_entry = selected_menu_entry + 1
    else
      if menu_entries[selected_menu_entry] == "start" then
        load_state(require "game")
      end
    end
  end,
  draw = function ()
    love.graphics.print(menu_entries[selected_menu_entry])
  end
}

Code: Select all

return {
  draw = function()
    -- draw game...
  end,
  update = function (dt)
    -- update game...
  end,
  ...
}