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PongSource/src/states/ServeState.lua

+ServeState = Class{__includes = BaseState}
+
+function ServeState:enter(params) 
+  paddle1 = params.paddle1
+  paddle2 = params.paddle2
+
+  -- decide which players will serve
+  servingPlayer = math.random(2) == 1 and 1 or 2
+  
+  if params.ball == nil then
+    ball = Ball(VIRTUAL_WIDTH / 2 - 2, VIRTUAL_HEIGHT / 2 - 2, 4, 4)
+
+    if servingPlayer == 1 then
+      ball.dx = -100
+    else
+      ball.dx = 100
+    end
+  else 
+    ball = params.ball
+
+    if ball.dx == -100 then
+      servingPlayer = 1
+    else 
+      servingPlayer = 2
+    end
+  end
+
+  self.background = params.background
+  self.mode = params.mode
+  self.maxScore = params.maxScore
+end
+
+function ServeState:update(dt)
+  if love.keyboard.wasPressed('enter') or love.keyboard.wasPressed('return') then
+    gStateMachine:change('play', {
+      mode = self.mode,
+      background = self.background,
+      maxScore = self.maxScore,
+      paddle1 = paddle1,
+      paddle2 = paddle2,
+      ball = ball
+    })
+  end
+end
+
+function ServeState:render()
+  if self.background == 0 then 
+    love.graphics.clear(40 / 255, 45 / 255, 52 / 255, 1)
+  else
+    local backgroundName = 'background-' .. self.background
+
+    local backgroundWidth = gTextures[backgroundName]:getWidth()
+    local backgroundHeight = gTextures[backgroundName]:getHeight()
+    love.graphics.draw(gTextures[backgroundName], 0, 0, 0, VIRTUAL_WIDTH / (backgroundWidth - 1), VIRTUAL_HEIGHT / (backgroundHeight - 1))
+  end
+
+  love.graphics.setFont(gFonts['large'])
+  self:drawTextWithShadow(paddle1:getScore(), -100, 200)
+
+  self:drawTextWithShadow(paddle2:getScore(), 100, 200)
+
+  love.graphics.setFont(gFonts['small'])
+  self:drawTextWithShadow("Player " .. tostring(servingPlayer) .. "'s turn!", 0, 20)
+  self:drawTextWithShadow("Press Enter to Serve!", 0, 30)
+
+  paddle1:render()
+  paddle2:render()
+  ball:render() 
+end
+
+function ServeState:drawTextWithShadow(text, x, y)
+  love.graphics.setColor(34/255, 32/255, 52/255, 255/255)
+  love.graphics.printf(text, x + 2, y + 1, VIRTUAL_WIDTH, 'center')
+  love.graphics.printf(text, x + 1, y + 1, VIRTUAL_WIDTH, 'center')
+  love.graphics.printf(text, x + 0, y + 1, VIRTUAL_WIDTH, 'center')
+  love.graphics.printf(text, x + 1, y + 2, VIRTUAL_WIDTH, 'center')
+
+  love.graphics.setColor(1, 1, 1, 1)
+  love.graphics.printf(text, x, y, VIRTUAL_WIDTH, 'center')
+end
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