if (move_top_item( beam.tx, beam.ty, you.x_pos, you.y_pos ))

    if (move_top_item( beam.target(), you.pos() ))

void map_markers::remove(map_marker *marker)

void map_markers::unlink_marker(const map_marker *marker)

}
void map_markers::remove(map_marker *marker)
{
    unlink_marker(marker);

void map_markers::move_marker(map_marker *marker, const coord_def &to)
{
    unlink_marker(marker);
    marker->pos = to;
    add(marker);
}

    "monster_dies", "item_pickup", "feat_change"

    "monster_dies", "item_pickup", "item_moved", "feat_change"

    return (2);
}
static int dgnevent_dest(lua_State *ls)
{
    DEVENT(ls, 1, dev);
    lua_pushnumber(ls, dev->dest.x);
    lua_pushnumber(ls, dev->dest.y);

    { "dest",  dgnevent_dest },

}
static int mapmarker_move(lua_State *ls)
{
    MAPMARKER(ls, 1, mark);
    const coord_def dest( luaL_checkint(ls, 2), luaL_checkint(ls, 3) );
    env.markers.move_marker(mark, dest);
    return (0);

    { "move", mapmarker_move },

bool move_top_item( int src_x, int src_y, int dest_x, int dest_y );

bool move_top_item( const coord_def &src, const coord_def &dest );

bool move_top_item( int src_x, int src_y, int dest_x, int dest_y )

bool move_top_item( const coord_def &pos, const coord_def &dest )

    int item = igrd[ src_x ][ src_y ];

    int item = igrd(pos);

    dungeon_events.fire_position_event(
        dgn_event(DET_ITEM_MOVED, pos, 0, item, -1, dest), pos);
    

    move_item_to_grid( &item, dest_x, dest_y );

    move_item_to_grid( &item, dest.x, dest.y );

    void move_marker(map_marker *marker, const coord_def &to);

    void unlink_marker(const map_marker *);

    DET_FEAT_CHANGE     = 0x0400

    DET_ITEM_MOVED      = 0x0400,
    DET_FEAT_CHANGE     = 0x0800

    coord_def      dest;

              int ticks = you.time_taken, long a1 = 0, long a2 = 0)
        : type(t), place(p), elapsed_ticks(ticks), arg1(a1), arg2(a2)

              int ticks = you.time_taken, long a1 = 0, long a2 = 0,
              const coord_def &d = coord_def())
        : type(t), place(p), elapsed_ticks(ticks), arg1(a1),
          arg2(a2), dest(d)

  return self 

  return self

                        marker:pos())
  dgn.register_listener(dgn.dgn_event_type('item_moved'), marker,

    ChangeFlags.do_change(self, marker)
    dgn.remove_listener(marker, marker:pos())
    dgn.remove_marker(marker)

    local picked_up = ev:type() == dgn.dgn_event_type('item_pickup')
    if picked_up then
      ChangeFlags.do_change(self, marker)
      dgn.remove_listener(marker, marker:pos())
      dgn.remove_marker(marker)
    else
      local x, y = ev:dest()
      dgn.remove_listener(marker, marker:pos())
      marker:move(ev:dest())
      self:activate(marker)
    end