MercuryScreenManager.cpp

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#include "global.h"
#include "MercuryScreenManager.h"
#include "MercuryDisplay.h"
#include "MercuryTheme.h"
#include "MercuryLog.h"

REGISTER_STATEMENT_TO_MESSAGE( SetPrimaryScreen, SetPrimaryScreen, SCREENMAN->SetPrimaryScreen( args.PopItem().GetValueS() );)

MercuryScreenManager::MercuryScreenManager()
{
    m_primary = NULL;
    m_current = NULL;
}

MercuryScreenManager::~MercuryScreenManager()
{
    //OK, the STL does some very weird stuff on this one in VS .net 2k5.
    //Apparently when the fix for that is put in place, VC6, and .net 2k3
    //start leaking here, so... To be safe, we're walking in reverse through
    //the vector and deleting it.

    for( MDequeIterator<MercuryScreen*> i = m_screens.begin(); i != m_screens.end(); ++i )
        SAFE_DELETE( *i );

    SAFE_DELETE(m_primary);
}

void MercuryScreenManager::Update(const float dTime)
{
    if (m_primary != NULL)
    {
        m_current = m_primary;
        m_current->Update(dTime);
        m_current->Render();
    }

    for( MDequeIterator<MercuryScreen*> i = m_screens.begin(); i != m_screens.end(); )
    {
        m_current = (*i);
        m_current->Update(dTime);
        m_current->Render();

        //Only clear the ZBuffer if we have other screens to draw (expensive)
        if ( ++i != m_screens.end() )
            DISPLAY->ClearZBuffer();
    }
    m_current = NULL;
}

void MercuryScreenManager::SetPrimaryScreen( MString name )
{
    SAFE_DELETE( m_primary );

    MString ScreenName;
    ScreenName = THEME.GetMetricS( name, "Class", "" );
    
    if ( ScreenName.length() == 0 )
    {
        LOG.Warn( "Cannot find a screen class for " + name );
        return;
    }

    if ( (*ToMakeScreens).find(ScreenName) == (*ToMakeScreens).end() )
    {
        LOG.Warn( "The Screen Class " + ScreenName + " does not exist!" );
        return;
    }

    DISPLAY->ResetFrustumClippingPlanes();

    m_primary = (*ToMakeScreens)[ScreenName]( name );
}


void MercuryScreenManager::AddScreen(MercuryScreen* screen)
{
    m_screens.push_back(screen);
}

void MercuryScreenManager::AddScreen(MString name)
{
    MString ScreenName;
    ScreenName = THEME.GetMetricS( name, "Class", "" );
    
    if ( ScreenName.length() == 0 )
    {
        LOG.Warn( "Cannot find a screen class for " + name );
        return;
    }

    if ( (*ToMakeScreens).find(ScreenName) == (*ToMakeScreens).end() )
    {
        LOG.Warn( "The Screen Class " + ScreenName + " does not exist!" );
        return;
    }
    
    //Screen's INIT must be called here but WTF
    AddScreen( (*ToMakeScreens)[ScreenName]( name ) );
}

void MercuryScreenManager::RemoveScreen(MercuryScreen* screen, bool delScreen)
{
    for( MDequeIterator<MercuryScreen*> i = m_screens.begin(); i != m_screens.end(); ++i )
    {
        if ((*i) == screen)
        {
            LOG.Log( "Screen " + (*i)->GetName() + " removed" );
            if (delScreen)
                SAFE_DELETE(*i);
            m_screens.erase(i);
            return;
        }
    }
}

void MercuryScreenManager::RemoveScreen(MString name, bool delScreen)
{
    for( MDequeIterator<MercuryScreen*> i = m_screens.begin(); i != m_screens.end(); ++i )
    {
        if ((*i)->GetName() == name)
        {
            LOG.Log( "Screen " + (*i)->GetName() + " removed" );
            if (delScreen)
                SAFE_DELETE(*i);
            m_screens.erase(i);
            return;
        }
    }
}

/* 
 * Copyright (c) 2005-2006, Joshua Allen
 * 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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