MercurySwapObject.cpp

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#include "MercurySwapObject.h"
#include "MercuryObjectFactory.h"

MercurySwapObject::~MercurySwapObject()
{
    map< MString, MercuryObject*>::iterator i = m_swapobjects.begin();

    for (;i != m_swapobjects.end(); ++i)
        SAFE_DELETE( i->second );
}

void MercurySwapObject::Init()
{
    MercuryObject::Init();
    m_currentObject = NULL;
}

void MercurySwapObject::AddSwapObject(const MString& key, MercuryObject* obj)
{
    m_swapobjects[key] = obj;
}

MercuryObject* MercurySwapObject::RemoveSwapObject(const MString& key)
{
    MercuryObject* r = NULL;
    map< MString, MercuryObject*>::iterator i = m_swapobjects.find(key);
    if ( i != m_swapobjects.end() )
    {
        r = i->second;
        if (r == m_currentObject)
        {
            RemoveObject(m_currentObject);
            m_currentObject = NULL;
        }
    }
    return r;
}

bool MercurySwapObject::SwapTo(const MString& key)
{
    map< MString, MercuryObject*>::iterator i = m_swapobjects.find(key);
    if ( i != m_swapobjects.end() )
    {
        if (m_currentObject)
            ReplaceObject(m_currentObject, i->second);
        else
            AddObject(i->second);
            
        m_currentObject = i->second;
        return true;
    }
    return false;
}

REGISTER_OBJECT_TYPE( MercurySwapObject );

/* 
 * Copyright (c) 2005-2006, Charles Lohr
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or
 * without modification, are permitted provided that the following
 * conditions are met:
 *  -   Redistributions of source code must retain the above
 *      copyright notice, this list of conditions and the following disclaimer.
 *  -   Redistributions in binary form must reproduce the above copyright
 *      notice, this list of conditions and the following disclaimer in
 *      the documentation and/or other materials provided with the distribution.
 *  -   Neither the name of the Mercury Engine nor the names of its
 *      contributors may be used to endorse or promote products derived from
 *      this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
 * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

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