source: code/branches/physics/src/ogreode/OgreOdeTriangleMeshDataManager.cpp @ 1923

#include "OgreOdePrecompiledHeaders.h"
#include "OgreOdeTriangleMeshDataManager.h"

#include "OgreOdeTriangleMeshData.h"

using namespace Ogre;
using namespace OgreOde;

namespace Ogre
{
        template<> TriangleMeshDataManager *Ogre::Singleton<TriangleMeshDataManager>::ms_Singleton = 0;
}

namespace OgreOde
{

        
        //-----------------------------------------------------------------------
        TriangleMeshDataManager::TriangleMeshDataManager()
        {
        }

        //-----------------------------------------------------------------------
        TriangleMeshDataManager::~TriangleMeshDataManager()
        {
                //mTriangleMeshDataMap.clear();
        }
        
        //-----------------------------------------------------------------------
        TriangleMeshDataManager *TriangleMeshDataManager::getSingletonPtr () 
        {
                return ms_Singleton;
        }

        //-----------------------------------------------------------------------
        TriangleMeshDataManager &TriangleMeshDataManager::getSingleton ()
        {  
                assert (ms_Singleton);  
                return (*ms_Singleton);
        }


        //-----------------------------------------------------------------------
        void TriangleMeshDataManager::addTriangleMeshData(const String& name, TriangleMeshDataPtr shape, Vector3 scale)
        {

                mTriangleMeshDataMap[name][scale] = shape;
                
                // reduce count so when Ode::Geometry changes its dataPtr or is deleted we arn't
                // left with this one on a referance count of 1
                unsigned int* count = shape.useCountPointer();
                (*count)--;
                
        }


        //-----------------------------------------------------------------------
        void TriangleMeshDataManager::removeTriangleMeshData(const String& name, Vector3 scale)
        {
                
                TriangleMeshDataPtrMap::iterator itr = mTriangleMeshDataMap.find(name);
                if(itr != mTriangleMeshDataMap.end())
                {
                
                        std::map<Ogre::Vector3, TriangleMeshDataPtr, vectorLess>::iterator itr2;
                        
                        itr2 = itr->second.find(scale);
                        
                        if ( itr2 != itr->second.end() )
                        {
                                //printf ("no TriangleMeshData for scale so erase it\n");
                                itr->second.erase(itr2);
                                itr2->second.setNull();
                        }
                        
                        if (itr->second.size() == 0) 
                        {
                                //printf ("have no TriangleMeshData for this mesh so erase it from map\n");
                                mTriangleMeshDataMap.erase(itr); 
                        }
                }
                        
        }
        
        
        /** looks for mesh name then size or returns a NULL TriangleMeshDataPtr
        */
        //-----------------------------------------------------------------------
        TriangleMeshDataPtr TriangleMeshDataManager::getTriangleMeshData(const String& name, Vector3 scale)
        {
        
                TriangleMeshDataPtrMap::iterator itr = mTriangleMeshDataMap.find(name);
                if(itr != mTriangleMeshDataMap.end())
                {
                        std::map<Ogre::Vector3, TriangleMeshDataPtr, vectorLess>::iterator itr2;
                        
                        itr2 = itr->second.find(scale);
                        
                        if ( itr2 != itr->second.end() )
                        {
                                return itr2->second;
                        }
                }
                
                //printf ("TriangleMeshDataManager::getTriangleMeshData not found\n");
                
                return NULL;
        
        }

}