use world;
use tile::Tile;

#[derive(Clone, Copy)]
// offset len  notes
// 0x0    16   start_x for monsters 0-15
// 0x10   16   start_y for monsters 0-15
// 0x20   8    start_x for party members 0-7
// 0x28   8    start_y for party members 0-7
// 0x30   16   ???
// 0x40   121  11x11 map matrix
// 0xB9   7    ???
pub struct Arena {
  _monster_x: [u8; 16],
  _monster_y: [u8; 16],
  _party_x: [u8; 8],
  _party_y: [u8; 8],
  _unknown1: [u8; 16],
  map: Field,
  _unknown2: [u8; 7],
}

#[derive(Clone, Copy)]
pub struct Shrine {
  map: Field,
  _unknown1: [[u8; 8]; 8], // Arbitrary grouping for Clone impl
  _unknown2: [u8; 7],
}

type Field = [[Tile; 11]; 11];
impl world::Map for Field {
  fn rows<'a>(&'a self) -> world::BoxedMapIterator {
    Box::new(self.iter().map(|row| Box::new(row.into_iter()) as world::RowIterator<'a>))
  }
}

impl world::HasMap for Arena {
  fn map(&self) -> &world::Map {
    &self.map
  }
}

impl world::HasMap for Shrine {
  fn map(&self) -> &world::Map {
    &self.map
  }
}