local BaseWorld = Object:extend()

-- INIT FUNCTIONS
-- All functions to init the world and the map

function BaseWorld:new(scene, actorlist)
  self.scene = scene
  self:setActorList(actorlist)
  self.actors = {}
end

function BaseWorld:setActorList(actorlist)
  if actorlist == nil then
    error("FATAL: You must set an actorlist to your world")
  else
    self.obj = require(actorlist)
  end
end

-- ACTOR MANAGEMENT FUNCTIONS
-- Basic function to handle actors

function BaseWorld:registerActor(actor)
  table.insert(self.actors, actor)
end

function BaseWorld:removeActor(actor)
  for i,v in ipairs(self.actors) do
    if v == actor then
      table.remove(self.actors, i)
    end
  end
end

function BaseWorld:moveActor(actor, x, y, filter)
  self.actors[actor].x = x
  self.actors[actor].y = y
  -- as the baseworld have no collision function, we return empty collision
  -- datas, but from the same type than bump2D will return
  return x, y, {}, 0
end

function BaseWorld:queryRect(x, y, w, h)
  local query = {}
  local x2, y2 = x + w, y + h
  for i,v in ipairs(self.actors) do
    if (v.x >= x) and (v.x + v.w >= x1) and
       (v.y >= y) and (v.y + v.h >= y1) then

      table.insert(query, v)
    end
  end

  return v
end

function BaseWorld:countActors()
  return #self.actors
end

function BaseWorld:getActors()
  return self.actors
end

-- UPDATE FUNCTIONS
-- All update functions

function BaseWorld:update(dt)
  for i,v in ipairs(self.actors) do
    v:update(dt)
  end
end

-- DRAW FUNCTIONS
-- All function to draw the map, world and actors

function BaseWorld:draw(dt)
  for i,v in ipairs(self.actors) do
    v:draw(dt)
  end
end

return BaseWorld