main.lua

--PROJECT CANDYLAND SAGA
--MAIN.LUA
--CANDY.LUA

--Music from
--http://opengameart.org/content/jewel-crusher
--http://opengameart.org/content/menu-loop
--Art from
--http://opengameart.org/content/cursor
--Janna http://opengameart.org/content/sleek-bars
--http://opengameart.org/content/candy-pack-1
--http://openclipart.org/detail/62707

--screen size 800x600

local class = require 'middleclass'
Timer = require 'hump.timer'


--Load Classes
require('candy')

function love.load()
    gameState = "load"

    math.randomseed(os.time()) -- seed random number gen

    --image / music / fonts loading
    background1 = love.graphics.newImage("art/background1.jpg")
    playerImg = love.graphics.newImage("art/player.png")
    loadMenu = love.graphics.newImage("art/loadMenu.png")
    mainMenu = love.graphics.newImage("art/mainMenu.png")
    mouseImg = love.graphics.newImage("art/mouse.png")
    loadMenuMusic = love.audio.newSource("audio/loadmenu.wav")
    getCandyMusic = love.audio.newSource("audio/getcandy.wav")
    playingMusic = love.audio.newSource("audio/jewel_crusher.mp3")
    menuScoreFont = love.graphics.newFont(35)
    playScoreFont = love.graphics.newFont(12)

    loadMenuMusic:play()
    loadMenuMusic:setLooping(true)
    playingMusic:setVolume(0.7)

    screenW = love.window.getWidth()
    screenH = love.window.getHeight()

    love.mouse.setVisible(false)

    candies = {}
    candiesC = 0

    player = {
        x = screenW / 2 - 50,
        y = screenH / 2 + 150,
        w = 100,
        h = 23,
        vel = 500,
        img = playerImg,
        score = 0,
        lifes = 3,
        lessRainbows = false,
        doubleScore = false,
        updateLifes = false
        };

    playButton = {
        x = 312,
        y = 273,
        w = 210,
        h = 63
    };
    exitButton = {
        x = 312,
        y = 352,
        w = 210,
        h = 63
    };

    mPlayButton = {
        x = 555,
        y = 24,
        w = 213,
        h = 66
    };

    doubleScoreButton = {
        x = 10,
        y = 200,
        w = 192,
        h = 74,
        img = love.graphics.newImage("art/doubleScoreButton_false.png")
    };

    lessRainbowsButton = {
        x = 212,
        y = 200,
        w = 192,
        h = 74,
        img = love.graphics.newImage("art/lessRainbowsButton_false.png")
    };

    heartImage = {
        x = 0,
        y = 0,
        w = 23,
        h = 25,
        img = love.graphics.newImage("art/heart.png"),
    };
end

function love.update(dt)
    Timer.update(dt)

    --CLASS UPDATES
    if gameState == "play" then
        for x = 0, candiesC - 1 do
            candies[x]:update(dt, player)
        end
    end

    -- MAIN UPDATE
    if gameState == "load" then
        local mX, mY = love.mouse.getPosition()
        if CheckCollision(mX, mY, 20, 20, playButton.x, playButton.y, playButton.w, playButton.h) and love.mouse.isDown("l") then
            gameState = "play"
            loadMenuMusic:stop()
            Timer.addPeriodic(0.3, function() if gameState == "play" then createCandy(2) end end)
        elseif CheckCollision(mX, mY, 20, 20, exitButton.x, exitButton.y, exitButton.w, exitButton.h) and love.mouse.isDown("l") then
            love.event.quit()
        end
    elseif gameState == "menu" then
        playingMusic:stop()
        local mX, mY = love.mouse.getPosition()
        if CheckCollision(mX, mY, 20, 20, mPlayButton.x, mPlayButton.y, mPlayButton.w, mPlayButton.h) and love.mouse.isDown("l") then
            gameState = "play"
            loadMenuMusic:stop()
            player.lifes = 3
            heartImage.draw = 3
            Timer.addPeriodic(0.3, function() if gameState == "play" then createCandy(2) end end)
        end
        if CheckCollision(mX, mY, 20, 20, doubleScoreButton.x, doubleScoreButton.y, doubleScoreButton.w, doubleScoreButton.h) and love.mouse.isDown("l") then
            if player.score >= 500 and not player.doubleScore then
                player.score = player.score - 500
                player.doubleScore = true
                doubleScoreButton.img = love.graphics.newImage("art/doubleScoreButton_true.png")
            end
        end
        if CheckCollision(mX, mY, 20, 20, lessRainbowsButton.x, lessRainbowsButton.y, lessRainbowsButton.w, lessRainbowsButton.h) and love.mouse.isDown("l") then
            if player.score >= 250 and not player.lessRainbows then
                player.score = player.score - 250
                player.lessRainbows = true
                lessRainbowsButton.img = love.graphics.newImage("art/lessRainbowsButton_true.png")
            end
        end
    elseif gameState == "play" then
        if player.lifes <= 0 then
            playingMusic:stop()
            loadMenuMusic:play()
            for k in pairs(candies) do candies[k] = nil end --clears the candies table
            candiesC = 0
            Timer.clear()
            gameState = "menu"
        else
            playingMusic:play()
            player.x = love.mouse.getX()
            for x = 0, candiesC - 1 do
                if CheckCollision(player.x, player.y, player.w, player.h, candies[x].x, candies[x].y, candies[x].h2, candies[x].h) then
                    player.score = player.score + 1
                    if player.doubleScore then
                        player.score = player.score + 1
                    end
                    candies[x].x = -100
                    candies[x].active = false
                    getCandyMusic:play()
                end
            end
        end
    end
end

function love.draw()
    if gameState == "load" then
        love.graphics.draw(loadMenu)
        local x, y = love.mouse.getPosition()
        love.graphics.draw(mouseImg, x, y)
    elseif gameState == "menu" then
        love.graphics.setFont(menuScoreFont)
        love.graphics.draw(mainMenu)
        love.graphics.setColor(0,0,0) -- black
        love.graphics.print("Score: " .. player.score, 565, 115)
        love.graphics.setColor(255,255,255) -- white
        love.graphics.draw(doubleScoreButton.img, doubleScoreButton.x, doubleScoreButton.y)
        love.graphics.draw(lessRainbowsButton.img, lessRainbowsButton.x, lessRainbowsButton.y)
        local x, y = love.mouse.getPosition()
        love.graphics.draw(mouseImg, x, y)
    elseif gameState == "play" then
        love.graphics.setFont(playScoreFont)
        love.graphics.draw(background1)
        love.graphics.draw(player.img, player.x, player.y)
        love.graphics.print(player.score, player.x+(player.w/2)-5, player.y+5)
        for x = 0, candiesC - 1 do
            candies[x]:draw()
        end
        if player.lifes == 3 then
            love.graphics.draw(heartImage.img, heartImage.x, heartImage.y)
            love.graphics.draw(heartImage.img, heartImage.x + 25, heartImage.y)
            love.graphics.draw(heartImage.img, heartImage.x + 50, heartImage.y)
        elseif player.lifes == 2 then
            love.graphics.draw(heartImage.img, heartImage.x, heartImage.y)
            love.graphics.draw(heartImage.img, heartImage.x + 25, heartImage.y)
        else
            love.graphics.draw(heartImage.img, heartImage.x, heartImage.y)
        end
    end
end

function createCandy(amount)
    for x = 1, amount do
        candies[candiesC] = Candy:new(math.random(0,screenW - 50), 0, player)
        candiesC = candiesC + 1
    end
end

function CheckCollision(x1,y1,w1,h1, x2,y2,w2,h2)
  return x1 < x2+w2 and
         x2 < x1+w1 and
         y1 < y2+h2 and
         y2 < y1+h1
end