C++ TechniqueIterator::getNext方法代码示例

 void ReplaceTextureOnMaterial(Ogre::MaterialPtr material, const std::string& original_name, const std::string& texture_name)
 {
     if (material.isNull())
         return;
     
     Ogre::TextureManager &tm = Ogre::TextureManager::getSingleton();
     Ogre::TexturePtr tex = tm.getByName(texture_name);
     
     Ogre::Material::TechniqueIterator iter = material->getTechniqueIterator();
     while(iter.hasMoreElements())
     {
         Ogre::Technique *tech = iter.getNext();
         assert(tech);
         Ogre::Technique::PassIterator passIter = tech->getPassIterator();
         while(passIter.hasMoreElements())
         {
             Ogre::Pass *pass = passIter.getNext();
             
             Ogre::Pass::TextureUnitStateIterator texIter = pass->getTextureUnitStateIterator();
             
             while(texIter.hasMoreElements())
             {
                 Ogre::TextureUnitState *texUnit = texIter.getNext();
                 if (texUnit->getTextureName() == original_name)
                 {
                     if (tex.get())
                         texUnit->setTextureName(texture_name);
                     else
                         texUnit->setTextureName("TextureMissing.png");
                 }
             }
         }
     }
 }

void EC_WidgetCanvas::SetSelfIllumination(bool illuminating)
{
    if (material_name_.empty())
        return;

    Ogre::ColourValue emissiveColor;
    if (illuminating)
        emissiveColor = Ogre::ColourValue(1.0f, 1.0f, 1.0f, 1.0f);
    else
        emissiveColor = Ogre::ColourValue(0.0f, 0.0f, 0.0f, 0.0f);

    Ogre::MaterialPtr material = Ogre::MaterialManager::getSingleton().getByName(material_name_);
    if (!material.isNull())
    {
        Ogre::Material::TechniqueIterator iter = material->getTechniqueIterator();
        while(iter.hasMoreElements())
        {
            Ogre::Technique *tech = iter.getNext();
            if (!tech)
                continue;
            Ogre::Technique::PassIterator passIter = tech->getPassIterator();
            while(passIter.hasMoreElements())
            {
                Ogre::Pass *pass = passIter.getNext();
                if (pass)
                    pass->setSelfIllumination(emissiveColor);
            }
        }
    }
}

bool MainCamera::validateCompositionTargetPass(Ogre::CompositionTargetPass& compositionPass)
{
	Ogre::CompositionTargetPass::PassIterator compPassIter = compositionPass.getPassIterator();
	while (compPassIter.hasMoreElements()) {
		Ogre::CompositionPass* compositorPass = compPassIter.getNext();
		compositorPass->getMaterial()->load();
		Ogre::Material::TechniqueIterator techIter = compositorPass->getMaterial()->getSupportedTechniqueIterator();
		while (techIter.hasMoreElements()) {
			Ogre::Technique::PassIterator _passIter = techIter.getNext()->getPassIterator();
			while (_passIter.hasMoreElements()) {
				Ogre::Pass* pass = _passIter.getNext();
				//Also disallow camera polygon mode overide. This is because if it's turned on,
				//and the camera is switched to polygon mode, the end result will be one single
				//large polygon being shown. This is not what we want.
				pass->setPolygonModeOverrideable(false);
				if (pass->hasFragmentProgram()) {
					if (pass->getFragmentProgram()->hasCompileError()) {
						return false;
					}
				}
			}
		}
	}
	return true;
}

CreatureAnimation::CreatureAnimation(const MWWorld::Ptr& ptr, OEngine::Render::OgreRenderer& _rend): Animation(_rend)
{
    mInsert = ptr.getRefData().getBaseNode();
    MWWorld::LiveCellRef<ESM::Creature> *ref = ptr.get<ESM::Creature>();

    assert (ref->base != NULL);
    if(!ref->base->model.empty())
    {
        const std::string &mesh = "meshes\\" + ref->base->model;
        std::string meshNumbered = mesh + getUniqueID(mesh) + ">|";
        NifOgre::NIFLoader::load(meshNumbered);
        mBase = mRend.getScene()->createEntity(meshNumbered);
        mBase->setVisibilityFlags(RV_Actors);

        bool transparent = false;
        for (unsigned int i=0; i < mBase->getNumSubEntities(); ++i)
        {
            Ogre::MaterialPtr mat = mBase->getSubEntity(i)->getMaterial();
            Ogre::Material::TechniqueIterator techIt = mat->getTechniqueIterator();
            while (techIt.hasMoreElements())
            {
                Ogre::Technique* tech = techIt.getNext();
                Ogre::Technique::PassIterator passIt = tech->getPassIterator();
                while (passIt.hasMoreElements())
                {
                    Ogre::Pass* pass = passIt.getNext();

                    if (pass->getDepthWriteEnabled() == false)
                        transparent = true;
                }
            }
        }
        mBase->setRenderQueueGroup(transparent ? RQG_Alpha : RQG_Main);

        std::string meshZero = mesh + "0000>|";

        if((mTransformations = (NIFLoader::getSingletonPtr())->getAnim(meshZero)))
        {
            for(std::size_t init = 0; init < mTransformations->size(); init++)
            {
                mRindexI.push_back(0);
                mTindexI.push_back(0);
            }
            mStopTime = mTransformations->begin()->getStopTime();
            mStartTime = mTransformations->begin()->getStartTime();
            mShapes = (NIFLoader::getSingletonPtr())->getShapes(meshZero);
        }
        mTextmappings = NIFLoader::getSingletonPtr()->getTextIndices(meshZero);
        mInsert->attachObject(mBase);
    }
}

CreatureAnimation::CreatureAnimation(const MWWorld::Ptr& ptr): Animation()
{
    mInsert = ptr.getRefData().getBaseNode();
    MWWorld::LiveCellRef<ESM::Creature> *ref = ptr.get<ESM::Creature>();

    assert (ref->mBase != NULL);
    if(!ref->mBase->mModel.empty())
    {
        std::string mesh = "meshes\\" + ref->mBase->mModel;

        mEntityList = NifOgre::NIFLoader::createEntities(mInsert, &mTextKeys, mesh);
        for(size_t i = 0; i < mEntityList.mEntities.size(); i++)
        {
            Ogre::Entity *ent = mEntityList.mEntities[i];
            ent->setVisibilityFlags(RV_Actors);

            bool transparent = false;
            for (unsigned int j=0; j < ent->getNumSubEntities() && !transparent; ++j)
            {
                Ogre::MaterialPtr mat = ent->getSubEntity(j)->getMaterial();
                Ogre::Material::TechniqueIterator techIt = mat->getTechniqueIterator();
                while (techIt.hasMoreElements() && !transparent)
                {
                    Ogre::Technique* tech = techIt.getNext();
                    Ogre::Technique::PassIterator passIt = tech->getPassIterator();
                    while (passIt.hasMoreElements() && !transparent)
                    {
                        Ogre::Pass* pass = passIt.getNext();

                        if (pass->getDepthWriteEnabled() == false)
                            transparent = true;
                    }
                }
            }
            ent->setRenderQueueGroup(transparent ? RQG_Alpha : RQG_Main);
        }

        if(mEntityList.mSkelBase)
        {
            Ogre::AnimationStateSet *aset = mEntityList.mSkelBase->getAllAnimationStates();
            Ogre::AnimationStateIterator as = aset->getAnimationStateIterator();
            while(as.hasMoreElements())
            {
                Ogre::AnimationState *state = as.getNext();
                state->setEnabled(true);
                state->setLoop(false);
            }
        }
    }
}

//copied from ogre sample browser
Ogre::Technique* gkMaterialLoader::handleSchemeNotFound(unsigned short schemeIndex, const Ogre::String& schemeName, 
	Ogre::Material* originalMaterial, unsigned short lodIndex, const Ogre::Renderable* rend)
{	
#ifdef OGREKIT_USE_RTSHADER_SYSTEM
	Ogre::RTShader::ShaderGenerator* shaderGenerator = Ogre::RTShader::ShaderGenerator::getSingletonPtr();
	GK_ASSERT(shaderGenerator);

	Ogre::Technique* generatedTech = 0;

	if (schemeName == Ogre::RTShader::ShaderGenerator::DEFAULT_SCHEME_NAME)
	{
		bool techniqueCreated;

		techniqueCreated = shaderGenerator->createShaderBasedTechnique(
			originalMaterial->getName(), Ogre::MaterialManager::DEFAULT_SCHEME_NAME, schemeName);	

		if (techniqueCreated)
		{
			shaderGenerator->validateMaterial(schemeName, originalMaterial->getName());
				
			Ogre::Material::TechniqueIterator itTech = originalMaterial->getTechniqueIterator();

			while (itTech.hasMoreElements())
			{
				Ogre::Technique* curTech = itTech.getNext();

				if (curTech->getSchemeName() == schemeName)
				{
					generatedTech = curTech;
					break;
				}
			}				
		}
	}

	if (!generatedTech)
	{
		gkLogMessage("Material: " << schemeName << " isn't found.");
	}
	else
	{
		gkLogMessage("Material: " << schemeName << " is found.");
	}

	return generatedTech;
#else
	return 0;
#endif
}

void
Terrain::_applyFogMode(const Ogre::MaterialPtr& material, Ogre::FogMode oldFogMode, Ogre::FogMode newFogMode) const
{
    if (oldFogMode == newFogMode)
        return;

    if (mData->mSupportedFogReplacements.empty())
        return;

   Ogre::String newProgramName;

    Ogre::Material::TechniqueIterator ti = material->getTechniqueIterator();
    while (ti.hasMoreElements())
    {
        Ogre::Technique* technique = ti.getNext();
        Ogre::Technique::PassIterator pi = technique->getPassIterator();
        while (pi.hasMoreElements())
        {
            Ogre::Pass* pass = pi.getNext();
            if (pass->hasVertexProgram() &&
                _checkFogProgramName(pass->getVertexProgram(), oldFogMode, newFogMode, newProgramName))
            {
                pass->setVertexProgram(newProgramName);
            }
            if (pass->hasFragmentProgram() &&
                _checkFogProgramName(pass->getFragmentProgram(), oldFogMode, newFogMode, newProgramName))
            {
                pass->setFragmentProgram(newProgramName);
            }
            if (pass->hasShadowCasterVertexProgram() &&
                _checkFogProgramName(pass->getShadowCasterVertexProgram(), oldFogMode, newFogMode, newProgramName))
            {
                pass->setShadowCasterVertexProgram(newProgramName);
            }
            if (pass->hasShadowReceiverVertexProgram() &&
                _checkFogProgramName(pass->getShadowReceiverVertexProgram(), oldFogMode, newFogMode, newProgramName))
            {
                pass->setShadowReceiverVertexProgram(newProgramName);
            }
            if (pass->hasShadowReceiverFragmentProgram() &&
                _checkFogProgramName(pass->getShadowReceiverFragmentProgram(), oldFogMode, newFogMode, newProgramName))
            {
                pass->setShadowReceiverFragmentProgram(newProgramName);
            }
        }
    }
}

	void GroundFog::findFogPassesByName (const Ogre::String& passName) {
		Ogre::MaterialManager *matManager = Ogre::MaterialManager::getSingletonPtr();
		Ogre::MaterialManager::ResourceMapIterator matIt = matManager->getResourceIterator();
		while (matIt.hasMoreElements()) {
			Ogre::MaterialPtr mat = matIt.getNext();
			Ogre::Material::TechniqueIterator techIt = mat->getTechniqueIterator();
			while (techIt.hasMoreElements()) {
				Ogre::Technique *tech = techIt.getNext();
				Ogre::Technique::PassIterator passIt = tech->getPassIterator();
				while (passIt.hasMoreElements()) {
					Ogre::Pass *pass = passIt.getNext();
					if (pass->getName() == passName) {
						mPasses.insert(pass);
					}
				}
			}
		}
		forceUpdate();
	}

/** This class demonstrates basic usage of the RTShader system.
	It sub class the material manager listener class and when a target scheme callback
	is invoked with the shader generator scheme it tries to create an equivalent shader
	based technique based on the default technique of the given material.
*/
Ogre::Technique* MaterialMgrListener::handleSchemeNotFound(unsigned short schemeIndex, 
														   const Ogre::String& schemeName, Ogre::Material* originalMaterial, unsigned short lodIndex, 
														   const Ogre::Renderable* rend)
{	
	Ogre::Technique* generatedTech = NULL;

	// Case this is the default shader generator scheme.
	if (schemeName == Ogre::RTShader::ShaderGenerator::DEFAULT_SCHEME_NAME)
	{
		bool techniqueCreated;

		// Create shader generated technique for this material.
		techniqueCreated = mShaderGenerator->createShaderBasedTechnique(
			originalMaterial->getName(), 
			Ogre::MaterialManager::DEFAULT_SCHEME_NAME, 
			schemeName);	

		// Case technique registration succeeded.
		if (techniqueCreated)
		{
			// Force creating the shaders for the generated technique.
			mShaderGenerator->validateMaterial(schemeName, originalMaterial->getName());

			// Grab the generated technique.
			Ogre::Material::TechniqueIterator itTech = originalMaterial->getTechniqueIterator();

			while (itTech.hasMoreElements())
			{
				Ogre::Technique* curTech = itTech.getNext();

				if (curTech->getSchemeName() == schemeName)
				{
					generatedTech = curTech;
					break;
				}
			}				
		}
	}

	return generatedTech;
}

 void GetTextureNamesFromMaterial(Ogre::MaterialPtr material, StringVector& textures)
 {
     textures.clear();
     if (material.isNull())
         return;
     
     // Use a set internally to avoid duplicates
     std::set<std::string> textures_set;
     
     Ogre::Material::TechniqueIterator iter = material->getTechniqueIterator();
     while(iter.hasMoreElements())
     {
         Ogre::Technique *tech = iter.getNext();
         assert(tech);
         Ogre::Technique::PassIterator passIter = tech->getPassIterator();
         while(passIter.hasMoreElements())
         {
             Ogre::Pass *pass = passIter.getNext();
             
             Ogre::Pass::TextureUnitStateIterator texIter = pass->getTextureUnitStateIterator();
             
             while(texIter.hasMoreElements())
             {
                 Ogre::TextureUnitState *texUnit = texIter.getNext();
                 const std::string& texname = texUnit->getTextureName();
                 
                 if (!texname.empty())
                     textures_set.insert(texname);
             }
         }
     }
     
     std::set<std::string>::iterator i = textures_set.begin();
     
     while (i != textures_set.end())
     {
         textures.push_back(*i);
         ++i;
     }
 }

ActivatorAnimation::ActivatorAnimation(const MWWorld::Ptr &ptr)
  : Animation(ptr)
{
    MWWorld::LiveCellRef<ESM::Activator> *ref = mPtr.get<ESM::Activator>();

    assert (ref->mBase != NULL);
    if(!ref->mBase->mModel.empty())
    {
        std::string mesh = "meshes\\" + ref->mBase->mModel;

        createEntityList(mPtr.getRefData().getBaseNode(), mesh);
        for(size_t i = 0;i < mEntityList.mEntities.size();i++)
        {
            Ogre::Entity *ent = mEntityList.mEntities[i];

            bool transparent = false;
            for (unsigned int j=0;j < ent->getNumSubEntities() && !transparent; ++j)
            {
                Ogre::MaterialPtr mat = ent->getSubEntity(j)->getMaterial();
                Ogre::Material::TechniqueIterator techIt = mat->getTechniqueIterator();
                while (techIt.hasMoreElements() && !transparent)
                {
                    Ogre::Technique* tech = techIt.getNext();
                    Ogre::Technique::PassIterator passIt = tech->getPassIterator();
                    while (passIt.hasMoreElements() && !transparent)
                    {
                        Ogre::Pass* pass = passIt.getNext();

                        if (pass->getDepthWriteEnabled() == false)
                            transparent = true;
                    }
                }
            }
            ent->setVisibilityFlags(RV_Misc);
            ent->setRenderQueueGroup(transparent ? RQG_Alpha : RQG_Main);
        }
        setAnimationSource(mesh);
    }
}

// unload all about this mesh. The mesh itself and the textures.
// BETWEEN FRAME OPERATION
void VisCalcFrustDist::unloadTheMesh(Ogre::MeshPtr meshP) {
	if (m_shouldCullTextures) {
		Ogre::Mesh::SubMeshIterator smi = meshP->getSubMeshIterator();
		while (smi.hasMoreElements()) {
			Ogre::SubMesh* oneSubMesh = smi.getNext();
			Ogre::String subMeshMaterialName = oneSubMesh->getMaterialName();
			Ogre::MaterialPtr subMeshMaterial = (Ogre::MaterialPtr)Ogre::MaterialManager::getSingleton().getByName(subMeshMaterialName);
			if (!subMeshMaterial.isNull()) {
				Ogre::Material::TechniqueIterator techIter = subMeshMaterial->getTechniqueIterator();
				while (techIter.hasMoreElements()) {
					Ogre::Technique* oneTech = techIter.getNext();
					Ogre::Technique::PassIterator passIter = oneTech->getPassIterator();
					while (passIter.hasMoreElements()) {
						Ogre::Pass* onePass = passIter.getNext();
						Ogre::Pass::TextureUnitStateIterator tusIter = onePass->getTextureUnitStateIterator();
						while (tusIter.hasMoreElements()) {
							Ogre::TextureUnitState* oneTus = tusIter.getNext();
							Ogre::String texName = oneTus->getTextureName();
							Ogre::TexturePtr texP = (Ogre::TexturePtr)Ogre::TextureManager::getSingleton().getByName(texName);
							if (!texP.isNull()) {
								// if (texP.useCount() <= 1) {
									texP->unload();
									LG::IncStat(LG::StatCullTexturesUnloaded);
									// LG::Log("unloadTheMesh: unloading texture %s", texName.c_str());
								// }
							}
						}
					}
				}
			}
		}
	}
	if (m_shouldCullMeshes) {
		LG::OLMeshTracker::Instance()->MakeUnLoaded(meshP->getName(), Ogre::String(), NULL);
		LG::IncStat(LG::StatCullMeshesUnloaded);
		// LG::Log("unloadTheMesh: unloading mesh %s", mshName.c_str());
	}
}

	void GroundFog::findFogPassesByName (const Ogre::String& passName) {
		Ogre::MaterialManager *matManager = Ogre::MaterialManager::getSingletonPtr();
		Ogre::MaterialManager::ResourceMapIterator matIt = matManager->getResourceIterator();
		while (matIt.hasMoreElements()) {
#if (OGRE_VERSION < ((1 << 16) | (9 << 8) | 0))
            Ogre::MaterialPtr mat = matIt.getNext();
#else
            Ogre::MaterialPtr mat = matIt.getNext().staticCast<Ogre::Material>();
#endif
			Ogre::Material::TechniqueIterator techIt = mat->getTechniqueIterator();
			while (techIt.hasMoreElements()) {
				Ogre::Technique *tech = techIt.getNext();
				Ogre::Technique::PassIterator passIt = tech->getPassIterator();
				while (passIt.hasMoreElements()) {
					Ogre::Pass *pass = passIt.getNext();
					if (pass->getName() == passName) {
						mPasses.insert(pass);
					}
				}
			}
		}
		forceUpdate();
	}

//.........这里部分代码省略.........
                  "    { \n";
            } else if (blend) {
              vertexProgSource += "    if (gl_MultiTexCoord0.y != 0.0) \n"
                  "    { \n";
            }

            if (blend) {
              vertexProgSource +=
              //Blend the base of nearby grass into the terrain
                  "        color.w = clamp(color.w, 0.0, 1.0) * 4.0 * ((dist / fadeRange) - 0.1); \n"
                      "    } \n";
            }

            if (fadeTechnique == FADETECH_GROW || fadeTechnique == FADETECH_ALPHAGROW) {
              vertexProgSource += "    position.y -= grassHeight * clamp((2.0 * dist / fadeRange) - 1.0, 0.0, 1.0); \n";
            }

            vertexProgSource += "    gl_Position = gl_ModelViewProjectionMatrix * position; \n"
                "    gl_FrontColor = color; \n"
                "    gl_TexCoord[0] = gl_MultiTexCoord0; \n";
            if (geom->getSceneManager()->getFogMode() == Ogre::FOG_EXP2) {
              vertexProgSource += "	gl_FogFragCoord = clamp(exp(- gl_Fog.density * gl_Fog.density * gl_Position.z * gl_Position.z), 0.0, 1.0); \n";
            } else {
              vertexProgSource += "	gl_FogFragCoord = gl_Position.z; \n";
            }

            vertexProgSource += "}";
          }

          vertexShader = HighLevelGpuProgramManager::getSingleton().createProgram(vsName, ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME, shaderLanguage, GPT_VERTEX_PROGRAM);

          vertexShader->setSource(vertexProgSource);

          if (shaderLanguage == "hlsl") {
            vertexShader->setParameter("target", "vs_1_1");
            vertexShader->setParameter("entry_point", "main");
          } else if (shaderLanguage == "cg") {
            vertexShader->setParameter("profiles", "vs_1_1 arbvp1");
            vertexShader->setParameter("entry_point", "main");
          }
          // GLSL can only have one entry point "main".

          vertexShader->load();
        }
        //Now the vertex shader (vertexShader) has either been found or just generated
        //(depending on whether or not it was already generated).

        tmpMat->load();
        Ogre::Material::TechniqueIterator techIterator = tmpMat->getSupportedTechniqueIterator();
        while (techIterator.hasMoreElements()) {
          Ogre::Technique* tech = techIterator.getNext();
          //Apply the shader to the material
          Pass *pass = tech->getPass(0);
          pass->setVertexProgram(vsName);
          GpuProgramParametersSharedPtr params = pass->getVertexProgramParameters();

          if (shaderLanguage.compare("glsl"))
            //glsl can use the built in gl_ModelViewProjectionMatrix
            params->setNamedAutoConstant("worldViewProj", GpuProgramParameters::ACT_WORLDVIEWPROJ_MATRIX);
          params->setNamedAutoConstant("camPos", GpuProgramParameters::ACT_CAMERA_POSITION_OBJECT_SPACE);
          params->setNamedAutoConstant("fadeRange", GpuProgramParameters::ACT_CUSTOM, 1);

          if (animate) {
            params->setNamedConstant("time", 1.0f);
            params->setNamedConstant("frequency", 1.0f);
            params->setNamedConstant("direction", Ogre::Vector4::ZERO);
          }

          if (lighting) {
            params->setNamedAutoConstant("objSpaceLight", GpuProgramParameters::ACT_LIGHT_POSITION_OBJECT_SPACE);
            params->setNamedAutoConstant("lightDiffuse", GpuProgramParameters::ACT_DERIVED_LIGHT_DIFFUSE_COLOUR);
            params->setNamedAutoConstant("lightAmbient", GpuProgramParameters::ACT_DERIVED_AMBIENT_LIGHT_COLOUR);
          }

          if (fadeTechnique == FADETECH_GROW || fadeTechnique == FADETECH_ALPHAGROW) {
            params->setNamedConstant("grassHeight", maxHeight * 1.05f);
          }

          pass->getVertexProgramParameters()->setNamedConstant("fadeRange", fadeRange);
        }
      }
      //Now the material (tmpMat) has either been found or just created (depending on whether or not it was already
      //created). The appropriate vertex shader should be applied and the material is ready for use.

      //Apply the new material
      material = tmpMat;
    }

    Ogre::Technique* tech = material->getBestTechnique();
    if (tech && tech->getNumPasses()) {
      Ogre::Pass* pass = tech->getPass(0);
      if (pass->hasVertexProgram()) {
        Ogre::GpuProgramParametersSharedPtr params = pass->getVertexProgramParameters();
        if (!params.isNull()) {
          params->setIgnoreMissingParams(true);
        }
      }
    }
  }
}

//.........这里部分代码省略.........
        Ogre::DataStreamPtr modified_data = Ogre::DataStreamPtr(new Ogre::MemoryDataStream((u8 *)(&output_str[0]), output_str.size()));

        matmgr.parseScript(modified_data, Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME);
        Ogre::MaterialPtr tempmat;
        tempmat = matmgr.getByName(tempname);
        if (tempmat.isNull())
        {
            OgreRenderingModule::LogWarning(std::string("Failed to create an Ogre material from material asset ") +
                                            source->GetId());

            return false;
        }
        if(!tempmat->getNumTechniques())
        {
            OgreRenderingModule::LogWarning("Failed to create an Ogre material from material asset "  +
                                            source->GetId());
            return false;
        }

        ogre_material_ = tempmat->clone(id_);
        tempmat.setNull();
        matmgr.remove(tempname);
        if (ogre_material_.isNull())
        {
            OgreRenderingModule::LogWarning("Failed to create an Ogre material from material asset "  +
                                            source->GetId());
            return false;
        }

        // Now go through all the texturenames and restore \ back to / and @ to :
        Ogre::Material::TechniqueIterator iter = ogre_material_->getTechniqueIterator();
        while (iter.hasMoreElements())
        {
            Ogre::Technique *tech = iter.getNext();
            Ogre::Technique::PassIterator passIter = tech->getPassIterator();
            while (passIter.hasMoreElements())
            {
                Ogre::Pass *pass = passIter.getNext();
                Ogre::Pass::TextureUnitStateIterator texIter = pass->getTextureUnitStateIterator();
                while (texIter.hasMoreElements())
                {
                    Ogre::TextureUnitState *texUnit = texIter.getNext();
                    std::string texname = texUnit->getTextureName();
                    if (texname.find('\\') != std::string::npos)
                    {
                        ReplaceCharInplace(texname, '\\', '/');
                        ReplaceCharInplace(texname, '@', ':');
                        texUnit->setTextureName(texname);
                    }
                }
            }
        }

        //workaround: if receives shadows, check the amount of shadowmaps. If only 1 specified, add 2 more to support 3 shadowmaps
        if(ogre_material_->getReceiveShadows() && shadowquality_ == Shadows_High && ogre_material_->getNumTechniques() > 0)
        {
            Ogre::Technique *tech = ogre_material_->getTechnique(0);
            if(tech)
            {
                Ogre::Technique::PassIterator passiterator = tech->getPassIterator();
                while(passiterator.hasMoreElements())
                {
                    Ogre::Pass* pass = passiterator.getNext();
                    Ogre::Pass::TextureUnitStateIterator texiterator = pass->getTextureUnitStateIterator();
                    int shadowmaps = 0;
                    while(texiterator.hasMoreElements())