--config
running = true
debug = false
updaterate = 0.1

--var setup
local w, h = term.getSize()
entitys = {}
entityCount = 0
ticks = 0

--classes setup
local Man = {}
Man.default = {name = "Noname", strenght = 100, speed = 1, sprite = "", x = 1, y = 1}
Man.mt = {__index = Man.default}
function Man:new(t)
    setmetatable(t, Man.mt)
    entitys[entityCount] = t
    entityCount = entityCount + 1
    return t
end

local Wall1 = {}
Wall1.default = {sprite = "|", resistance = 200, x = 1, y = 1}
Wall1.mt = {__index = Wall1.default}
function Wall1:new(t)
    setmetatable(t, Wall1.mt)
    entitys[entityCount] = t
    entityCount = entityCount + 1
    return t
end


--Game

--creating objects
local man = Man:new({sprite = "o", x = 2 + 1, y = 2})
local wall = Wall1:new({x = 17, y = 6})

term.clear()
term.setCursorPos(1,1)

function checkPosMove(x, y, dir)
    local canMove = true
    if dir == 17 then
        for i = 0,#entitys do if y-1 == entitys[i].y and x == entitys[i].x then canMove = false end end
    end
    if dir == 31 then
        for i = 0,#entitys do if y+1 == entitys[i].y and x == entitys[i].x then canMove = false end end
    end
    if dir == 30 then
        for i = 0,#entitys do if x-1 == entitys[i].x and y == entitys[i].y then canMove = false end end
    end
    if dir == 32 then
        for i = 0,#entitys do if x+1 == entitys[i].x and y == entitys[i].y then canMove = false end end
    end
    return canMove
end

function move(Obj, key)

    if key == 17 and checkPosMove(Obj.x, Obj.y, key) then
        Obj.y = Obj.y - 1
    end
    if key == 31 and checkPosMove(Obj.x, Obj.y, key) then
        Obj.y = Obj.y + 1
    end
    if key == 30 and checkPosMove(Obj.x, Obj.y, key) then
        Obj.x = Obj.x - 1
    end
    if key == 32 and checkPosMove(Obj.x, Obj.y, key) then
        Obj.x = Obj.x + 1
    end

end

function tick()
    ticks = ticks + 1
    term.clear()
    term.setCursorPos(1,1)
end

function draw()
    term.clear()
    term.setCursorPos(1,1)
    for i = 0,#entitys do
        term.setCursorPos(entitys[i].x, entitys[i].y)
        term.write(entitys[i].sprite)
    end
end

fps = os.startTimer(updaterate)
while running do
    local ev, p1 = os.pullEvent()

    draw()
    if ev == "key" then
        move(man, p1)

        if p1 == 16 then
            term.clear()
            term.setCursorPos(1,1)
            running = false
        end
    end

    fps = os.startTimer(updaterate)
end