source: downloads/OgreMain/src/OgreRenderQueueInvocation.cpp @ 3

/*
-----------------------------------------------------------------------------
This source file is part of OGRE
    (Object-oriented Graphics Rendering Engine)
For the latest info, see http://www.ogre3d.org/

Copyright (c) 2000-2005 The OGRE Team
Also see acknowledgements in Readme.html

This program 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 of the License, or (at your option) any later
version.

This program 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 program; if not, write to the Free Software Foundation, Inc., 59 Temple
Place - Suite 330, Boston, MA 02111-1307, USA, or go to
http://www.gnu.org/copyleft/lesser.txt.

You may alternatively use this source under the terms of a specific version of
the OGRE Unrestricted License provided you have obtained such a license from
Torus Knot Software Ltd.
-----------------------------------------------------------------------------
*/
#include "OgreStableHeaders.h"

#include "OgreRenderQueueInvocation.h"
#include "OgreSceneManager.h"
#include "OgreException.h"

namespace Ogre
{
        String RenderQueueInvocation::RENDER_QUEUE_INVOCATION_SHADOWS = "SHADOWS";
        //-----------------------------------------------------------------------------
        RenderQueueInvocation::RenderQueueInvocation(uint8 renderQueueGroupID, 
                const String& invocationName)
                : mRenderQueueGroupID(renderQueueGroupID), mInvocationName(invocationName), 
                mSolidsOrganisation(QueuedRenderableCollection::OM_PASS_GROUP), 
                mSuppressShadows(false), mSuppressRenderStateChanges(false)
        {

        }
        //-----------------------------------------------------------------------------
        RenderQueueInvocation::~RenderQueueInvocation()
        {

        }
        //-----------------------------------------------------------------------------
        void RenderQueueInvocation::invoke(RenderQueueGroup* group, SceneManager* targetSceneManager)
        {
                bool oldShadows = targetSceneManager->_areShadowsSuppressed();
                bool oldRSChanges = targetSceneManager->_areRenderStateChangesSuppressed();

                targetSceneManager->_suppressShadows(mSuppressShadows);
                targetSceneManager->_suppressRenderStateChanges(mSuppressRenderStateChanges);

                targetSceneManager->_renderQueueGroupObjects(group, mSolidsOrganisation);

                targetSceneManager->_suppressShadows(oldShadows);
                targetSceneManager->_suppressRenderStateChanges(oldRSChanges);

        }
        //-----------------------------------------------------------------------------
        //-----------------------------------------------------------------------------
        RenderQueueInvocationSequence::RenderQueueInvocationSequence(const String& name)
                :mName(name)
        {
        }
        //-----------------------------------------------------------------------------
        RenderQueueInvocationSequence::~RenderQueueInvocationSequence()
        {
                clear();
        }
        //-----------------------------------------------------------------------------
        RenderQueueInvocation* RenderQueueInvocationSequence::add(uint8 renderQueueGroupID, 
                const String& invocationName)
        {
                RenderQueueInvocation* ret = 
                        new RenderQueueInvocation(renderQueueGroupID, invocationName);

                mInvocations.push_back(ret);

                return ret;

        }
        //-----------------------------------------------------------------------------
        void RenderQueueInvocationSequence::add(RenderQueueInvocation* i)
        {
                mInvocations.push_back(i);
        }
        //-----------------------------------------------------------------------------
        void RenderQueueInvocationSequence::clear(void)
        {
                for (RenderQueueInvocationList::iterator i = mInvocations.begin();
                        i != mInvocations.end(); ++i)
                {
                        delete *i;
                }
                mInvocations.clear();
        }
        //-----------------------------------------------------------------------------
        RenderQueueInvocation* RenderQueueInvocationSequence::get(size_t index)
        {
                if (index >= size())
                        OGRE_EXCEPT(Exception::ERR_ITEM_NOT_FOUND, 
                                "Index out of bounds", 
                                "RenderQueueInvocationSequence::get");

                return mInvocations[index];
        }
        //-----------------------------------------------------------------------------
        void RenderQueueInvocationSequence::remove(size_t index)
        {
                if (index >= size())
                        OGRE_EXCEPT(Exception::ERR_ITEM_NOT_FOUND, 
                        "Index out of bounds", 
                        "RenderQueueInvocationSequence::remove");
                
                RenderQueueInvocationList::iterator i = mInvocations.begin();
                std::advance(i, index);
                delete *i;
                mInvocations.erase(i);
                
        }
        //-----------------------------------------------------------------------------
        RenderQueueInvocationIterator RenderQueueInvocationSequence::iterator(void)
        {
                return RenderQueueInvocationIterator(mInvocations.begin(), mInvocations.end());
        }
        //-----------------------------------------------------------------------------


}