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var assert = require("assert")
var vec = require("../public/assets/javascripts/rectangles/models/vec2.js")
var Rect = require("../public/assets/javascripts/rectangles/models/rect.js")
var Room = require("../public/assets/javascripts/rectangles/models/room.js")
var Rooms = require("../public/assets/javascripts/rectangles/engine/rooms/_rooms.js")
var Clipper = require("../public/assets/javascripts/rectangles/engine/rooms/clipper.js")
var Builder = require("../public/assets/javascripts/rectangles/engine/rooms/builder.js")
var FRONT = 0x1, BACK = 0x2, LEFT = 0x4, RIGHT = 0x8, FLOOR = 0x10, CEILING = 0x20
var ALL = FRONT | BACK | LEFT | RIGHT
var NONE = 0x0
function sidesToString(sides){
  var s = ""
  if (sides & FRONT) s += "front "
  if (sides & BACK)  s += "back "
  if (sides & LEFT)  s += "left "
  if (sides & RIGHT) s += "right "
  if (sides & TOP)  s += "top "
  if (sides & BOTTOM) s += "bottom "
  return s
}

var radius = 1

var rect      = new Rect( new vec(1,5), new vec(1,5) )
var east      = new Rect( new vec(2,6), new vec(1,5) )
var corner    = new Rect( new vec(3,7), new vec(3,7) )
var peninsula = new Rect( new vec(4,6), new vec(6,8) )

var rect_room      = new Room({ id: "rect", rect: rect, height: 2 })
var east_room      = new Room({ id: "east", rect: east, height: 2 })
var corner_room    = new Room({ id: "corner", rect: corner, height: 2 })
var peninsula_room = new Room({ id: "peninsula", rect: peninsula, height: 2 })

function reset(){
  Rooms.forEach(function(room){
    room.reset()
  })
  Rooms.list = {}
  Rooms.regions = []
}
function rebuild(){
  Rooms.clipper.reset_rects()
  var regions = Rooms.clipper.clip_rects()
  var culled = Rooms.clipper.cull_rects_iterative()
  return culled
}

describe('mover', function(){
  reset()
  Rooms.add( rect_room )
  rebuild()

  describe('room#collidesDisc()', function(){
    var room = rect_room
    it("should not collide in the center", function(){
      assert.equal(NONE, room.collidesDisc(3, 3, radius))
      assert.equal(NONE, room.collidesDisc(2, 2, radius))
      assert.equal(NONE, room.collidesDisc(4, 4, radius))
    })
    it("should collide on the sides", function(){
      assert.equal(FRONT, room.collidesDisc(3, 1, radius))
      assert.equal(BACK,  room.collidesDisc(3, 5, radius))
      assert.equal(LEFT,  room.collidesDisc(1, 3, radius))
      assert.equal(RIGHT, room.collidesDisc(5, 3, radius))
    })
    it("should collide in the corners", function(){
      assert.equal(LEFT  | FRONT, room.collidesDisc(1, 1, radius))
      assert.equal(RIGHT | FRONT, room.collidesDisc(5, 1, radius))
      assert.equal(LEFT  | BACK,  room.collidesDisc(1, 5, radius))
      assert.equal(RIGHT | BACK,  room.collidesDisc(5, 5, radius))
    })
  })
})