game.lua

local game = {}

function game:enter()
    player.location = "Overworld"
    
    createWorld()
end

function game:update(dt)
    player:update(dt)
    for i=#enemies, 1, -1 do
        enemies[i]:update(dt)
        if enemies[i].dead then
            player.xp = player.xp + enemies[i].xp
            enemies[i].rect.fixture:destroy()
            table.remove(enemies, i)
        end
    end

    for i=#hearts, 1, -1 do
        hearts[i]:update(dt)
        if hearts[i].rect.fixture:isDestroyed() then
            table.remove(hearts, i)
        end
    end
    cam:lookAt(player.rect.body:getX() + player.rect.width / 2, player.rect.body:getY() + player.rect.height / 2)
end

function game:draw()
    cam:attach()
        -- plains1:drawObjectLayer(plains1.layers["Walls"])

        -- love.graphics.setColor(1, 0, 0)
        -- for i,v in ipairs(walls) do
        --     love.graphics.rectangle("line", v.body:getX(), v.body:getY(), v.width, v.height)
        -- end
        -- love.graphics.setColor(1, 1, 1)


        local yTop = math.floor(lume.clamp((player.rect.body:getY() - 500) / (16 * 20), 1, #data.tileSet))
        local yBottom = math.floor(lume.clamp((player.rect.body:getY() + 1000) / (16 * 20), 1, #data.tileSet))
        local xLeft = math.floor(lume.clamp((player.rect.body:getX() - 500) / (16 * 20), 1, #data.tileSet))
        local xRight = math.floor(lume.clamp((player.rect.body:getX() + 1000) / (16 * 20), 1, #data.tileSet))
        -- print("yTop: " .. yTop)

        for y=yTop, yBottom do
            for x=xLeft, xRight do
                local ox = (x - 1) * 16 * 20
                local oy = (y - 1) * 16 * 20

                if data.tileSet[y][x][1] == "1" then
                    maps["plains" .. data.tileSet[y][x][2]]:translate(ox, oy)
                    drawChunk1(maps["plains" .. data.tileSet[y][x][2]])
                elseif data.tileSet[y][x][1] == "2" then
                    maps["lake" .. data.tileSet[y][x][2]]:translate(ox, oy)
                    drawChunk1(maps["lake" .. data.tileSet[y][x][2]])
                elseif data.tileSet[y][x][1] == "3" then
                    maps["village" .. data.tileSet[y][x][2]]:translate(ox, oy)
                    drawChunk1(maps["village" .. data.tileSet[y][x][2]])
                elseif data.tileSet[y][x][1] == "4" then
                    maps["shrine1"]:translate(ox, oy)
                    drawChunk1(maps["shrine1"])
                elseif data.tileSet[y][x][1] == "5" then
                    maps["forest1"]:translate(ox, oy)
                    drawChunk1(maps["forest1"])
                else
                    maps["plains1"]:translate(ox, oy)
                    drawChunk1(maps["plains1 "])
                end
            end
        end

        player:draw()

        for i, enemy in ipairs(enemies) do
            enemy:draw()
        end

        for i, heart in ipairs(hearts) do
            heart:draw()
        end

        for y=yTop, yBottom do
            for x=xLeft, xRight do
                local ox = (x - 1) * 16 * 20
                local oy = (y - 1) * 16 * 20

                if data.tileSet[y][x][1] == "1" then
                    maps["plains" .. data.tileSet[y][x][2]]:translate(ox, oy)
                    drawChunk2(maps["plains" .. data.tileSet[y][x][2]])
                elseif data.tileSet[y][x][1] == "2" then
                    maps["lake" .. data.tileSet[y][x][2]]:translate(ox, oy)
                    drawChunk2(maps["lake" .. data.tileSet[y][x][2]])
                elseif data.tileSet[y][x][1] == "3" then
                    maps["village" .. data.tileSet[y][x][2]]:translate(ox, oy)
                    drawChunk2(maps["village" .. data.tileSet[y][x][2]])
                elseif data.tileSet[y][x][1] == "4" then
                    maps["shrine1"]:translate(ox, oy)
                    drawChunk2(maps["shrine1"])
                elseif data.tileSet[y][x][1] == "5" then
                    maps["forest1"]:translate(ox, oy)
                    drawChunk2(maps["forest1"])
                else
                    maps["plains1"]:translate(ox, oy)
                    drawChunk2(maps["plains1 "])
                end
            end
        end

    cam:detach()

    player:drawHearts(0, 0)
end

function game:keypressed(key)
    if key == 'escape' then
        saveGame()
        gamestate.switch(menu)
    end
end

function game:leave()
    deleteWorld()
end

return game