Map = Class{} -- error: attempt to class global 'Class' (a boolean value)

TILE_BRICK = 1
TILE_EMPTY = 4

function Map:init()
    self.spritesheet = love.graphics.newImage('graphics/spritesheet.png') -- creating the map. we need a spritesheet to reference to map the tiles to quads. the function will point to a texture file and load it into memory. it is a texture object.
    self.tileWidth = 16
    self.tileheight = 16
    self.mapWidth = 30 -- tilewidth is just pixel size. the map width is how many tiles wide the map is
    self.mapHeight = 28

    self.tiles = {} -- the actual tile map... we will iterate over these number, and draw the right texture with the right number down the line

    self.tileSprites = generateQuads(self.spritesheet, self.tileWidth, self.tileHeight)

    -- populate the tile map with the numbers. 1 is the brick that we want to use, and 4 is an empty tile which will represent the sky.

    -- filling the map with empty tiles
    for y = 1, self.mapHeight/2 do -- iterate top to bottom through the map and go down to halfway through the map
        for x = 1, self.mapWidth do -- columns and rows
            self:setTile(x, y, TILE_EMPTY) -- this function is writted below
        end
    end

    -- starts halfway down the map, populates with bricks
    for y = self.mapHeight/2, self.mapHeight do
        --start halfway down the map
        for x = 1, self.mapWidth/2 do
            self:setTile(x, y, TILE_BRICK) -- starts halfway down the map and populates it with bricks
        end
    end
end

function Map:SetTile(x, y, tile) -- the tiles are numbers... a simple way to represent them
    self.tiles[(y-1)*self.mapWidth + x] = tile
end


function Map:getTile(x, y)
    return self.tiles[(y-1)*self.mapWidth + x] -- return the same value
end

function Map:update(dt)

end

function Map:render()
    for y = 1, self.mapHeight do
        for x = 1, self.mapWidth do
            love.graphics.draw(self.spritesheet, self.tileSprites[self:getTile(x, y)],
                (x-1)*self.tileWidth, (y-1)*self.tileHeight)
        end
    end
end