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PongSource/main.lua

+require 'src/Dependencies'
+
+-- love.load is a constructor what called just once at the beginning of the game
+function love.load()
+  math.randomseed(os.time())
+
+  love.graphics.setDefaultFilter('nearest', 'nearest')
+  love.window.setTitle(TITLE)
+
+  gSounds = {
+    ['paddle_hit'] = love.audio.newSource('sounds/paddle_hit.wav', 'static'),
+    ['point_scored'] = love.audio.newSource('sounds/point_scored.wav', 'static'),
+    ['wall_hit'] = love.audio.newSource('sounds/wall_hit.wav', 'static'),
+    ['select'] = love.audio.newSource('sounds/select.wav', 'static')
+  }
+
+  gStateMachine = StateMachine {
+    ['menu'] = function() return MenuState() end,
+    ['serve'] = function() return ServeState() end,
+    ['play'] = function() return PlayState() end,
+    ['victory'] = function() return VictoryState() end,
+  }
+
+  gFonts = {
+    ['small'] = love.graphics.newFont('fonts/font.ttf', 8),
+    ['medium'] = love.graphics.newFont('fonts/font.ttf', 16),
+    ['large'] = love.graphics.newFont('fonts/font.ttf', 32)
+  }
+  love.graphics.setFont(gFonts['small'])
+
+  gTextures = {
+    ['background-1'] = love.graphics.newImage('graphics/background-1.jpg'),
+    ['background-2'] = love.graphics.newImage('graphics/background-2.jpg'),
+    ['background-3'] = love.graphics.newImage('graphics/background-3.jpg'),    
+  }
+  
+  push:setupScreen(VIRTUAL_WIDTH, VIRTUAL_HEIGHT, WINDOW_WIDTH, WINDOW_HEIGHT, {
+    vsync = true,
+    fullscreen = false,
+    resizable = true
+  })
+
+  gStateMachine:change('menu', {})
+
+  love.keyboard.keysPressed = {}
+end
+
+-- love.resize called whenever we change the dimensions of our window
+function love.resize(w, h)
+  push:resize(w, h)
+end
+
+-- love.update called every frame
+function love.update(dt)
+  gStateMachine:update(dt)
+
+  if love.keyboard.wasPressed('escape') then
+    love.event.quit()
+  end
+
+  love.keyboard.keysPressed = {}
+end
+-- love.keypressed is a callback that processes key strokes as they happen, just once
+function love.keypressed(key)
+  love.keyboard.keysPressed[key] = true
+end
+
+-- love.keyboard.wasPressed is a custom function that will let us test for individual keystrokes outside of the default `love.keypressed` callback
+function love.keyboard.wasPressed(key)
+  if love.keyboard.keysPressed[key] then
+    return true
+  else
+    return false
+  end
+end
+
+-- love.draw called each frame after update to draw all game objects
+function love.draw()
+  push:apply('start')
+  
+  gStateMachine:render()
+
+  push:apply('end')
+end
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