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panda/src/vrpn/vrpnClient.h

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// Filename: vrpnClient.h
// Created by:  jason (04Aug00)
//
////////////////////////////////////////////////////////////////////
//
// PANDA 3D SOFTWARE
// Copyright (c) 2001, Disney Enterprises, Inc.  All rights reserved
//
// All use of this software is subject to the terms of the Panda 3d
// Software license.  You should have received a copy of this license
// along with this source code; you will also find a current copy of
// the license at http://www.panda3d.org/license.txt .
//
// To contact the maintainers of this program write to
// panda3d@yahoogroups.com .
//
////////////////////////////////////////////////////////////////////

#ifndef VRPNCLIENT_H
#define VRPNCLIENT_H

#include <pandabase.h>
#include <clientBase.h>

#include "vrpn_interface.h"

class VrpnTracker;
class VrpnTrackerDevice;
class VrpnButton;
class VrpnButtonDevice;
class VrpnAnalog;
class VrpnAnalogDevice;
class VrpnDial;
class VrpnDialDevice;

////////////////////////////////////////////////////////////////////
//       Class : VrpnClient
// Description : A specific ClientBase that connects to a VRPN server
//               and records information on the connected VRPN
//               devices.
////////////////////////////////////////////////////////////////////
class EXPCL_PANDA VrpnClient : public ClientBase {
PUBLISHED:
  VrpnClient(const string &server_name);
  ~VrpnClient();

  INLINE const string &get_server_name() const;
  INLINE bool is_valid() const;
  INLINE bool is_connected() const;

  void write(ostream &out, int indent_level = 0) const;

public:
  INLINE static double convert_to_secs(struct timeval msg_time);

protected:
  virtual PT(ClientDevice) make_device(TypeHandle device_type,
                                       const string &device_name);

  virtual bool disconnect_device(TypeHandle device_type,
                                 const string &device_name,
                                 ClientDevice *device);

  virtual void do_poll();

private:
  PT(ClientDevice) make_tracker_device(const string &device_name);
  PT(ClientDevice) make_button_device(const string &device_name);
  PT(ClientDevice) make_analog_device(const string &device_name);
  PT(ClientDevice) make_dial_device(const string &device_name);
  void disconnect_tracker_device(VrpnTrackerDevice *device);
  void disconnect_button_device(VrpnButtonDevice *device);
  void disconnect_analog_device(VrpnAnalogDevice *device);
  void disconnect_dial_device(VrpnDialDevice *device);

  VrpnTracker *get_tracker(const string &tracker_name);
  void free_tracker(VrpnTracker *vrpn_tracker);

  VrpnButton *get_button(const string &button_name);
  void free_button(VrpnButton *vrpn_button);

  VrpnAnalog *get_analog(const string &analog_name);
  void free_analog(VrpnAnalog *vrpn_analog);

  VrpnDial *get_dial(const string &dial_name);
  void free_dial(VrpnDial *vrpn_dial);

private:
  string _server_name;
  vrpn_Connection *_connection;

  typedef pmap<string, VrpnTracker *> Trackers;
  typedef pmap<string, VrpnButton *> Buttons;
  typedef pmap<string, VrpnAnalog *> Analogs;
  typedef pmap<string, VrpnDial *> Dials;

  Trackers _trackers;
  Buttons _buttons;
  Analogs _analogs;
  Dials _dials;


public:
  static TypeHandle get_class_type() {
    return _type_handle;
  }
  static void init_type() {
    ClientBase::init_type();
    register_type(_type_handle, "VrpnClient",
                  ClientBase::get_class_type());
  }
  virtual TypeHandle get_type() const {
    return get_class_type();
  }
  virtual TypeHandle force_init_type() {init_type(); return get_class_type();}

private:
  static TypeHandle _type_handle;
};

#include "vrpnClient.I"

#endif

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