oasisinputsystembase.h

使用stl技术,(还没看,是听说的)

/******************************************************************************
 * This source file is part of Bad Camel Gaming
 * Copyright (C) 2003  Zephie Greyvenstein
 * See Readme.html for acknowledgements
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *****************************************************************************/

/******************************************************************************
 * FILENAME    : oasisInputSystemBase.h
 * DESCRIPTION : The input system base
 * AUTHOR      : Zephie Greyvenstein
 *****************************************************************************/

/// Avoid double inclusion
#ifndef __INPUTSYSTEMBASE_H__
#define __INPUTSYSTEMBASE_H__

/// Include the common headers
#include "oasisCommon.h"
#include "oasisKeyListener.h"

/// Include Ogre stuff
#include "OgreEventListeners.h"
#include "OgreEventProcessor.h"
#include "OgreInput.h"
#include "OgreKeyEvent.h"
#include "OgreCamera.h"

namespace Oasis {
  /// The input system base
  class inputSystemBase : public Ogre::KeyListener,
                          public Ogre::MouseMotionListener,
                          public Ogre::MouseListener {
  public:
    /// Constructor
    inputSystemBase( );
    /// Deconstructor
    virtual ~inputSystemBase( );
      
    /// Register a key listener
    void addKeyListener( keyListener *newKeyListener );
    /// Remove a key listener
    void removeKeyListener( keyListener *oldKeyListener );

    /// Register a mouse listener
    void addMouseListener( mouseListener *newMouseListener );
    /// Remove a mouse listener
    void removeMouseListener( mouseListener *oldMouseListener );
    
    /// Get the state of a key
    const bool isKeyDown( keyListener::KeyCode code ) const;
    
  private:
    /// Handle to the event processor
    Ogre::EventProcessor *eventProcessor;
    /// Handle to the input reader
    Ogre::InputReader *inputReader;
    
    /// Key listener set
    typedef std::set< keyListener* > keyListenerSet;
    /// Mouse listener set
    typedef std::set< mouseListener* > mouseListenerSet;
    /// A vector of booleans
    typedef std::vector< bool > boolVector;

    /// Keylisteners
    keyListenerSet keyListeners;
    /// Mouselisteners
    mouseListenerSet mouseListeners;
    /// Key downs
    boolVector keyDowns;
    
    /// Overloaded keylistener functions
    void keyClicked( Ogre::KeyEvent *event );
    void keyPressed( Ogre::KeyEvent *event );
    void keyReleased( Ogre::KeyEvent *event );

    /// Overload mouse motionlistener functions
    void mouseMoved( Ogre::MouseEvent *event );
    void mouseDragged( Ogre::MouseEvent *event ) {}   

    /// Overload the mouse listener functions
    void mouseClicked( Ogre::MouseEvent *event ) {}
    void mouseEntered( Ogre::MouseEvent *event ) {}
    void mouseExited( Ogre::MouseEvent *event ) {}
    void mousePressed( Ogre::MouseEvent *event );
    void mouseReleased( Ogre::MouseEvent *event ) {}
  };  
};

#endif