minetest.register_globalstep(function(dtime)
        local players = minetest.get_connected_players()
        for i=1, #players do
                local name = players[i]:get_player_name()
                if default.player_attached[name] and not players[i]:get_attach() and
                                (players[i]:get_player_control().up == true or
                                players[i]:get_player_control().down == true or
                                players[i]:get_player_control().left == true or
                                players[i]:get_player_control().right == true or
                                players[i]:get_player_control().jump == true) then
                        players[i]:set_eye_offset({x=0, y=0, z=0}, {x=0, y=0, z=0})
                        players[i]:set_physics_override(1, 1, 1)
                        default.player_attached[name] = false
                        default.player_set_animation(players[i], "stand", 30)
                end
        end
end)

minetest.register_chatcommand("sit", {
        description = "Sit down",
        func = function(name)
                local player = minetest.get_player_by_name(name)
                if default.player_attached[name] then
                        player:set_eye_offset({x=0, y=0, z=0}, {x=0, y=0, z=0})
                        player:set_physics_override(1, 1, 1)
                        default.player_attached[name] = false
                        default.player_set_animation(player, "stand", 30)
                else
                        player:set_eye_offset({x=0, y=-7, z=2}, {x=0, y=0, z=0})
                        player:set_physics_override(0, 0, 0)
                        default.player_attached[name] = true
                        default.player_set_animation(player, "sit", 30)
                end
        end
})

minetest.register_chatcommand("lay", {
        description = "Lay down",
        func = function(name)
                local player = minetest.get_player_by_name(name)
                if default.player_attached[name] then
                        player:set_eye_offset({x=0, y=0, z=0}, {x=0, y=0, z=0})
                        player:set_physics_override(1, 1, 1)
                        default.player_attached[name] = false
                        default.player_set_animation(player, "stand", 30)
                else
                        player:set_eye_offset({x=0, y=-13, z=0}, {x=0, y=0, z=0})
                        player:set_physics_override(0, 0, 0)
                        default.player_attached[name] = true
                        default.player_set_animation(player, "lay", 0)
                end
        end
})