CadImporterFactory.h

#pragma once

#include "PluginManager.h"
#include "PluginAPI.h"

namespace ParaEngine
{
#ifdef _DEBUG
    const char* OCCPlugin_DLL_FILE_PATH = "OCCPlugin_d.dll";
#else
    const char* OCCPlugin_DLL_FILE_PATH = "OCCPlugin.dll";
#endif

    class CadImporterFactory
    {
        static ICadModelImporter* g_pImproter;

    public:

        static ICadModelImporter* GetImporter()
        {
            if(g_pImproter)
                return g_pImproter;

            DLLPlugInEntity* pPluginEntity = CGlobals::GetPluginManager()->GetPluginEntity(OCCPlugin_DLL_FILE_PATH);
            if(pPluginEntity == 0)
            {
                pPluginEntity = ParaEngine::CGlobals::GetPluginManager()->LoadDLL("", OCCPlugin_DLL_FILE_PATH);
            }

            if(pPluginEntity != 0)
            {
                for (int i=0; i < pPluginEntity->GetNumberOfClasses(); ++i)
                {
                    ClassDescriptor* pClassDesc = pPluginEntity->GetClassDescriptor(i);

                    if(pClassDesc && (strcmp(pClassDesc->ClassName(), "ICadModelImporter") == 0))
                    {
                        g_pImproter = (ICadModelImporter*) pClassDesc->Create();
                    }
                }
            }
            return g_pImproter;
        }
    };

    ICadModelImporter* CadImporterFactory::g_pImproter = NULL;

}