-- world module
local world = require("world")
-- entities module
local entities = require("entities")

-- love's load function
function love.load()
    -- set the overall map offset
    offset = {
        x = 304,
        y = 48
    }

    -- generate the world and load the files
    world.new(20, 20, 3)
    world.generate()
    world.loadTiles()

    -- entities initialization
    entities.init()
    entities.loadSprites()
    entities.newStatic(7, 7, 3, "town")
end

-- love's update function
function love.update(dt)

end

-- love's key press funciton
function love.keypressed(key, scanCode, isRepeat)
    -- arrow keys for moving offset
    if key == "left"  then
        offset.x = offset.x + 16
    end

    if key == "right" then
        offset.x = offset.x - 16
    end

    if key == "up" then
        offset.y = offset.y + 16
    end
    
    if key == "down" then
        offset.y = offset.y - 16
    end

    if key == "escape" then
        love.event.quit(0)
    end
end

-- love's draw function
function love.draw()
    -- clear the window
    love.graphics.clear()
    
    -- draw the map
    world.render(offset)

    -- draw the entities
    entities.render(offset)
end