local Chunk = Object:extend()

function Chunk:new(map, data)
  self.map = map
  self.data = data
end

function Chunk:getFakeData()
  local fakedata = {}
  local emptyline = {00, 00, 00, 00, 00, 00, 00, 00}
  fakedata.objects = {emptyline, emptyline, emptyline, emptyline, emptyline}
  fakedata.terrain = {emptyline, emptyline, emptyline, emptyline, emptyline}
  fakedata.grind   = {emptyline, emptyline, emptyline, emptyline, emptyline}

  return fakedata, false
end

function Chunk:update(dt)

end

function Chunk:spawnGrounds(x)
  for i=1, 5 do
    for j=1, 8 do
      if (self.data.terrain[i][j] ~= 3) then
        self.map.world:newCollision("floor", x+(j-1)*31, (i-1)*20, -48, 31, 20, 48)
      end
    end
  end
end

function Chunk:spawnObjects(x)
  for i=1, 5 do
    for j=1, 8 do
      local id = self.data.objects[i][j]
      if (id ~= 0) then
        self.map.world:newObjFromIndex(id, x+(j-1)*31+12, (i-1)*20, 0)
      end
    end
  end
end

function Chunk:draw(x)
  for i=1, 5 do
    for j=1, 8 do
      if (self.data.terrain[i][j] ~= 0) then
        local tiley = (i-1)*20
        local tilex = x + (j-1)*31 + (i-1)*10
        local tileid = self.data.terrain[i][j]

        self:drawTile(tilex, tiley, tileid)
      end
    end
  end
end

function Chunk:drawTile(x, y, type)
  self.map.world.scene.assets.tileset["sptiles"]:drawTile(type, x, y)
end

return Chunk