Irrlicht Engine

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IAnimatedMeshSceneNode* GroupTherapyExercise::loadBoard(irr::scene::ISceneManager *smgr,
	irr::video::IVideoDriver *driver) 
{
	MyMesh* mesh = new MyMesh("Virtual_Therapy/Models/Room/exported_objects/clearboard.3DS",
		vector3df(-30,-60,0),
		vector3df(4,4,3),		vector3df(0,0,0));
	IAnimatedMeshSceneNode* node = _meshLoader->loadMesh(mesh, smgr, driver);	if (node) { 
		//node->setMD2Animation(scene::EMAT_STAND);
		//node->setMaterialType(EMT_TRANSPARENT_ALPHA_CHANNEL);
		if (getExercise() != NULL) {
			drawExerciseToBoard(node, smgr, driver);
		}
	}
	return node;
}

void GroupTherapyExercise::drawExerciseToBoard(irr::scene::IAnimatedMeshSceneNode *node, 
	   irr::scene::ISceneManager *smgr, irr::video::IVideoDriver *driver) 
{
	ITexture* blackBoardTexture = node->getMaterial(0).Texture1;
	bool needsUnlock = false;
	if (blackBoardTexture != NULL) {
		blackBoardTexture->lock();
		needsUnlock = true;
	}
		blackBoardTexture = driver->getTexture(
			"Virtual_Therapy/Models/Room/temp/boardtex120b.jpg");
		driver->setTextureCreationFlag(ETCF_ALWAYS_32_BIT , true);
		driver->setTextureCreationFlag(ETCF_CREATE_MIP_MAPS, false);
		blackBoardTexture->regenerateMipMapLevels();
		node->getMaterial(0).Texture1 = blackBoardTexture;

	if (needsUnlock) {
		blackBoardTexture->unlock();
	}
	/*if (_previousAnwerSet.size() != 0) {
		doClearTable(_blackBoardTexture, driver);
	}*/
	if (_whiteFont == NULL) {
		_whiteFont = new TFont(driver);
		_whiteFont->load("Virtual_Therapy/Fonts/fontcourier.bmp",BGR(255,255,255));
	}
	_whiteFont->DrawString(blackBoardTexture,400,10,getExercise()->getTitle());
	_whiteFont->DrawString(blackBoardTexture,60,30,getExercise()->getDescription());
	set<Answer*> currentAnswers = getExercise()->getAnswersByDifficulty(_currentDifficultyLevel);
	set<Answer*>::iterator it = currentAnswers.begin();
	int index = 0;
	while (it != currentAnswers.end()) {
		if (index == 0) {
			_whiteFont->DrawString(blackBoardTexture,100,50,(*it)->getQuestion());
		}
		_whiteFont->DrawString(blackBoardTexture,350,(70 + (index * 25)),(*it)->getText());
		if ((*it)->isCorrect()) {
			_correctAnswerIndex = index;
			printf("\nCorrect index %i", index);
		}
		index++;
		it++;
	}
	_previousAnwerSet = currentAnswers;
}

ITexture* GroupTherapyExercise::doClearTable(ITexture* texture, IVideoDriver *driver){
	if (_greenFont == NULL) {
		_greenFont = new TFont(driver);
		_greenFont->load("Virtual_Therapy/Fonts/fontcourier.bmp",BGR(81,103,55));
	}
	set<Answer*>::iterator it = _previousAnwerSet.begin();
	int index = 0;
	while (it != _previousAnwerSet.end()) {
		if (index == 0) {
			_whiteFont->DrawString(texture,100,50,(*it)->getQuestion());
		}
		_whiteFont->DrawString(texture,350,(70 + (index * 25)),(*it)->getText());
		index++;
		it++;
	}
	return texture;
}