mirror of
				https://github.com/OpenMW/openmw.git
				synced 2025-11-04 05:56:39 +00:00 
			
		
		
		
	
		
			
				
	
	
		
			80 lines
		
	
	
	
		
			2.4 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			80 lines
		
	
	
	
		
			2.4 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
#include "statesetupdater.hpp"
 | 
						|
 | 
						|
#include <osg/Node>
 | 
						|
 | 
						|
namespace SceneUtil
 | 
						|
{
 | 
						|
 | 
						|
    void StateSetUpdater::operator()(osg::Node* node, osg::NodeVisitor* nv)
 | 
						|
    {
 | 
						|
        if (!mStateSets[0])
 | 
						|
        {
 | 
						|
            // first time setup
 | 
						|
            osg::StateSet* src = node->getOrCreateStateSet();
 | 
						|
            for (int i=0; i<2; ++i) // Using SHALLOW_COPY for StateAttributes, if users want to modify it is their responsibility to set a non-shared one first
 | 
						|
                                    // This can be done conveniently in user implementations of the setDefaults() method
 | 
						|
            {
 | 
						|
                mStateSets[i] = static_cast<osg::StateSet*>(osg::clone(src, osg::CopyOp::SHALLOW_COPY));
 | 
						|
                setDefaults(mStateSets[i]);
 | 
						|
            }
 | 
						|
        }
 | 
						|
 | 
						|
        // Swap to make the StateSet in [0] writable, [1] is now the StateSet that was queued by the last frame
 | 
						|
        std::swap(mStateSets[0], mStateSets[1]);
 | 
						|
        node->setStateSet(mStateSets[0]);
 | 
						|
 | 
						|
        apply(mStateSets[0], nv);
 | 
						|
 | 
						|
        traverse(node, nv);
 | 
						|
    }
 | 
						|
 | 
						|
    StateSetUpdater::StateSetUpdater()
 | 
						|
    {
 | 
						|
    }
 | 
						|
 | 
						|
    StateSetUpdater::StateSetUpdater(const StateSetUpdater ©, const osg::CopyOp ©op)
 | 
						|
        : osg::NodeCallback(copy, copyop)
 | 
						|
    {
 | 
						|
    }
 | 
						|
 | 
						|
    // ----------------------------------------------------------------------------------
 | 
						|
 | 
						|
    void CompositeStateSetUpdater::apply(osg::StateSet *stateset, osg::NodeVisitor *nv)
 | 
						|
    {
 | 
						|
        for (unsigned int i=0; i<mCtrls.size(); ++i)
 | 
						|
            mCtrls[i]->apply(stateset, nv);
 | 
						|
    }
 | 
						|
 | 
						|
    void CompositeStateSetUpdater::setDefaults(osg::StateSet *stateset)
 | 
						|
    {
 | 
						|
        for (unsigned int i=0; i<mCtrls.size(); ++i)
 | 
						|
            mCtrls[i]->setDefaults(stateset);
 | 
						|
    }
 | 
						|
 | 
						|
    CompositeStateSetUpdater::CompositeStateSetUpdater()
 | 
						|
    {
 | 
						|
    }
 | 
						|
 | 
						|
    CompositeStateSetUpdater::CompositeStateSetUpdater(const CompositeStateSetUpdater ©, const osg::CopyOp ©op)
 | 
						|
        : StateSetUpdater(copy, copyop)
 | 
						|
    {
 | 
						|
        for (unsigned int i=0; i<copy.mCtrls.size(); ++i)
 | 
						|
            mCtrls.push_back(static_cast<StateSetUpdater*>(osg::clone(copy.mCtrls[i].get(), copyop)));
 | 
						|
    }
 | 
						|
 | 
						|
    unsigned int CompositeStateSetUpdater::getNumControllers()
 | 
						|
    {
 | 
						|
        return mCtrls.size();
 | 
						|
    }
 | 
						|
 | 
						|
    StateSetUpdater* CompositeStateSetUpdater::getController(int i)
 | 
						|
    {
 | 
						|
        return mCtrls[i];
 | 
						|
    }
 | 
						|
 | 
						|
    void CompositeStateSetUpdater::addController(StateSetUpdater *ctrl)
 | 
						|
    {
 | 
						|
        mCtrls.push_back(ctrl);
 | 
						|
    }
 | 
						|
 | 
						|
}
 |