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 | #include "InputManager.h"
 
InputManager *InputManager::mInputManager=NULL;
 
InputManager::InputManager( void ) : mMouse( 0 ), mKeyboard( 0 ), mInputSystem( 0 ) 
{
}
 
InputManager::~InputManager( void ) 
{
    if( mInputSystem ) 
	{
        if( mMouse ) 
		{
            mInputSystem->destroyInputObject( mMouse );
            mMouse = 0;
        }
 
        if( mKeyboard ) 
		{
            mInputSystem->destroyInputObject( mKeyboard );
            mKeyboard = 0;
        }
 
        OIS::InputManager::destroyInputSystem(mInputSystem);
        mInputSystem = 0;
 
	mKeyListeners.clear();
        mMouseListeners.clear();
    }
}
 
void InputManager::initialise( Ogre::RenderWindow *renderWindow ) 
{
    if( !mInputSystem ) 
	{
        // Setup basic variables
        OIS::ParamList paramList;    
        size_t windowHnd = 0;
        std::ostringstream windowHndStr;
 
        // Get window handle
        renderWindow->getCustomAttribute( "WINDOW", &windowHnd );
 
        // Fill parameter list
        windowHndStr << windowHnd;
        paramList.insert( std::make_pair( std::string( "WINDOW" ), windowHndStr.str() ) );
		paramList.insert(std::make_pair(std::string("w32_mouse"), std::string("DISCL_FOREGROUND" )));
		paramList.insert(std::make_pair(std::string("w32_mouse"), std::string("DISCL_NONEXCLUSIVE")));
 
        // Create inputsystem
        mInputSystem = OIS::InputManager::createInputSystem( paramList );
 
        mKeyboard = static_cast<OIS::Keyboard*>( mInputSystem->createInputObject( OIS::OISKeyboard, true ) );
        mKeyboard->setEventCallback( this );
        mMouse = static_cast<OIS::Mouse*>( mInputSystem->createInputObject( OIS::OISMouse, true ) );
        mMouse->setEventCallback( this );
 
        // Get window size
        unsigned int width, height, depth;
        int left, top;
        renderWindow->getMetrics( width, height, depth, left, top );
 
        // Set mouse region
        this->setWindowExtents( width, height );
    }
}
 
void InputManager::capture( void ) 
{
    // Need to capture / update each device every frame
    if( mMouse )	mMouse->capture();
    if( mKeyboard ) mKeyboard->capture();
}
 
void InputManager::addKeyListener( OIS::KeyListener *keyListener, const std::string& instanceName ) 
{
    if( mKeyboard ) 
	{
        // Check for duplicate items
        itKeyListener = mKeyListeners.find( instanceName );
 
        if( itKeyListener == mKeyListeners.end() )	mKeyListeners[ instanceName ] = keyListener;
		else {	/* Duplicate Item */	}
    }
}
 
void InputManager::addMouseListener( OIS::MouseListener *mouseListener, const std::string& instanceName ) 
{
    if( mMouse ) 
	{
        // Check for duplicate items
        itMouseListener = mMouseListeners.find( instanceName );
        if( itMouseListener == mMouseListeners.end() )	mMouseListeners[ instanceName ] = mouseListener;
        else {	/* Duplicate Item */	}
    }
}
 
void InputManager::removeKeyListener( const std::string& instanceName ) 
{
    // Check if item exists
    itKeyListener = mKeyListeners.find( instanceName );
    if( itKeyListener != mKeyListeners.end() ) {
        mKeyListeners.erase( itKeyListener );
    }
    else {
        // Doesn't Exist
    }
}
 
void InputManager::removeMouseListener( const std::string& instanceName ) 
{
    // Check if item exists
    itMouseListener = mMouseListeners.find( instanceName );
    if( itMouseListener != mMouseListeners.end() )	mMouseListeners.erase( itMouseListener );
    else 
	{
        // Doesn't Exist
    }
}
 
void InputManager::removeKeyListener( OIS::KeyListener *keyListener ) 
{
    itKeyListener    = mKeyListeners.begin();
    itKeyListenerEnd = mKeyListeners.end();
    for(; itKeyListener != itKeyListenerEnd; ++itKeyListener ) {
        if( itKeyListener->second == keyListener ) {
            mKeyListeners.erase( itKeyListener );
            break;
        }
    }
}
 
void InputManager::removeMouseListener( OIS::MouseListener *mouseListener )
{
    itMouseListener    = mMouseListeners.begin();
    itMouseListenerEnd = mMouseListeners.end();
    for(; itMouseListener != itMouseListenerEnd; ++itMouseListener ) {
        if( itMouseListener->second == mouseListener ) {
            mMouseListeners.erase( itMouseListener );
            break;
        }
    }
}
 
void InputManager::removeAllListeners( void ) 
{
    mKeyListeners.clear();
    mMouseListeners.clear();
}
 
void InputManager::removeAllKeyListeners( void ) 
{
    mKeyListeners.clear();
}
 
void InputManager::removeAllMouseListeners( void ) 
{
    mMouseListeners.clear();
}
 
void InputManager::setWindowExtents( int width, int height ) 
{
    // Set mouse region (if window resizes, we should alter this to reflect as well)
    const OIS::MouseState &mouseState = mMouse->getMouseState();
    mouseState.width  = width;
    mouseState.height = height;
}
 
OIS::Mouse* InputManager::getMouse( void ) 
{
    return mMouse;
}
 
OIS::Keyboard* InputManager::getKeyboard( void ) 
{
    return mKeyboard;
}
 
bool InputManager::keyPressed( const OIS::KeyEvent &e ) {
    itKeyListener    = mKeyListeners.begin();
    itKeyListenerEnd = mKeyListeners.end();
    for(; itKeyListener != itKeyListenerEnd; ++itKeyListener ) {
        itKeyListener->second->keyPressed( e );
    }
 
    return true;
}
 
bool InputManager::keyReleased( const OIS::KeyEvent &e ) {
    itKeyListener    = mKeyListeners.begin();
    itKeyListenerEnd = mKeyListeners.end();
    for(; itKeyListener != itKeyListenerEnd; ++itKeyListener ) {
        itKeyListener->second->keyReleased( e );
    }
 
    return true;
}
 
bool InputManager::mouseMoved( const OIS::MouseEvent &e ) {
    itMouseListener    = mMouseListeners.begin();
    itMouseListenerEnd = mMouseListeners.end();
    for(; itMouseListener != itMouseListenerEnd; ++itMouseListener ) {
        itMouseListener->second->mouseMoved( e );
    }
 
    return true;
}
 
bool InputManager::mousePressed( const OIS::MouseEvent &e, OIS::MouseButtonID id ) {
    itMouseListener    = mMouseListeners.begin();
    itMouseListenerEnd = mMouseListeners.end();
    for(; itMouseListener != itMouseListenerEnd; ++itMouseListener ) {
        itMouseListener->second->mousePressed( e, id );
    }
 
    return true;
}
 
bool InputManager::mouseReleased( const OIS::MouseEvent &e, OIS::MouseButtonID id ) {
    itMouseListener    = mMouseListeners.begin();
    itMouseListenerEnd = mMouseListeners.end();
    for(; itMouseListener != itMouseListenerEnd; ++itMouseListener ) {
        itMouseListener->second->mouseReleased( e, id );
    }
 
    return true;
}
 
InputManager* InputManager::getSingletonPtr( void ) {
    if( !mInputManager ) {
        mInputManager = new InputManager();
    }
 
    return mInputManager;
} | 
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