C++ ErrorCheck函数代码示例

int Player::openSong(std::string songName)
{
	//close current song if there is currently one loaded
	if (m_songLoaded)
	{
		(void) ErrorCheck(m_channel->stop());
		(void) ErrorCheck(m_song->release());
	}

	//Open the song as a stream
	m_result = m_system->createStream(songName.c_str(), FMOD_DEFAULT, 0, &m_song);
	m_error = ErrorCheck(m_result);

	if (!m_error)
	{
		//assign a channel to the song and play it upon open
		m_result = m_system->playSound(m_song, NULL, false, &m_channel);
		m_error = ErrorCheck(m_result);
	}

	//check for errors and return accordingly
	if (m_error)
	{
		m_songLoaded = false;
		return OPEN_FAILURE;
	}
	else
	{
		m_channel->setLoopCount(0);
		m_songLoaded = true;
		return OPEN_SUCCESS;
	}
}

	void FMOD_System::CreateSounds( const SoundFilenameMap& soundFilenames )
	{
		auto isPresent = [=]( const std::string& key ) -> bool
		{
			return ( soundFilenames.find( key ) != soundFilenames.end() ) ? true : false;
		};

		if( isPresent( "bgmusic" ) )
		{
			ErrorCheck( system->createStream( soundFilenames.at("bgmusic").c_str(), FMOD_LOOP_NORMAL | FMOD_CREATESTREAM,
				nullptr, &bgmusic ) );
			bgmusic->setDefaults( 44100, 0.025f, 0.f, 128 );
		}
		if( isPresent( "jet" ) )
		{
			ErrorCheck( system->createSound( soundFilenames.at( "jet" ).c_str(), FMOD_3D, nullptr, &jet ) );
			jet->setDefaults( 44100, 0.75f, 0.f, 128 );
		}
		if( isPresent( "vent" ) )
		{
			ErrorCheck( system->createSound( soundFilenames.at( "vent" ).c_str(), FMOD_3D | FMOD_LOOP_NORMAL,
				nullptr, &ventSound ) );
			ventSound->setDefaults( 44100, 0.3f, 0.f, 128 );
		}
		if( isPresent( "collision" ) )
		{
			ErrorCheck( system->createSound( soundFilenames.at( "collision" ).c_str(), FMOD_3D, nullptr, &collision ) );
			collision->setDefaults( 44100, 5.f, 0.f, 128 );
		}
		if( isPresent( "roll" ) )
		{
			ErrorCheck( system->createSound( soundFilenames.at( "roll" ).c_str(), FMOD_3D, nullptr, &roll ) );
			roll->setDefaults( 44100, 2.f, 0.f, 128 );
		}
	}

// This function prompts user to input searchInt based on search type
int GetSearchInt(int& choice)
{
	int searchInt;	// IN & OUT & CALC - int to searched, input
					// 					 by user
	searchInt = 0;  // Initialize searchInt to 0

	// Will prompt user to input searchInt based on menu choice
	switch(choice)
	{
	case YEARSEARCH:
		cout << "\nWhich year are you looking for? ";
		searchInt = ErrorCheck(1878, 3000);
		cout << "\nSearching for the year " << searchInt << endl;
		break;
	case RATINGSEARCH:
		cout << "\nWhich rating are you looking for? ";
		searchInt = ErrorCheck(0, 9);
		cout << "\nSearching for the rating " << searchInt << endl;
		break;
	default:
		cout << "\nYou shouldn't have done that.\n";
		break;
	}

	// Returns int to be searched
	return searchInt;
}

bool AudioSystem::Load2DSound(const string& filepath, FMOD::Sound** sound){
	FMOD_RESULT result = m_system->createSound(filepath.c_str(), FMOD_2D, 0, &*sound);
	if (!ErrorCheck(result)) return false;
	result = (*sound)->setMode(FMOD_LOOP_OFF);
	if (!ErrorCheck(result)) return false;
	return true;
}

void Renderer::createBuffer(VkDeviceSize size, VkBufferUsageFlags usage, VkMemoryPropertyFlags memory_properties, VkBuffer & buffer, VkDeviceMemory & buffer_memory) {
	VkBufferCreateInfo buffer_create_info{};
	buffer_create_info.sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO;
	buffer_create_info.size = size;
	buffer_create_info.usage = usage;
	buffer_create_info.sharingMode = VK_SHARING_MODE_EXCLUSIVE;

	ErrorCheck(vkCreateBuffer(_device, &buffer_create_info, nullptr, &buffer));

	VkMemoryRequirements mem_requirements{};
	vkGetBufferMemoryRequirements(_device, buffer, &mem_requirements);

	uint32_t type_filter = mem_requirements.memoryTypeBits;
	uint32_t memory_type;

	for (uint32_t i = 0; i < _gpu_memory_properties.memoryTypeCount; i++) {
		if ((type_filter & (1 << i)) && (_gpu_memory_properties.memoryTypes[i].propertyFlags & memory_properties) == memory_properties) {
			memory_type = i;
			break;
		}
	}

	VkMemoryAllocateInfo memory_allocate_info{};
	memory_allocate_info.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO;
	memory_allocate_info.allocationSize = mem_requirements.size;
	memory_allocate_info.memoryTypeIndex = memory_type;

	ErrorCheck(vkAllocateMemory(_device, &memory_allocate_info, nullptr, &buffer_memory));
	ErrorCheck(vkBindBufferMemory(_device, buffer, buffer_memory, 0));
}

int SoundManager::Play3D(string Name, SoundType Type, XMFLOAT3 Position, bool Loop)
{
    if(!Exists(Name))
    {
        DebugScreen::GetInstance()->AddLogMessage("Sound: \"" + Name + "\" does not exist.", Red);
        return -1;
    }

    if(Loop)
        gSoundIterator->second.second->setMode(FMOD_LOOP_NORMAL);

    ErrorCheck(gSystem->playSound(FMOD_CHANNEL_FREE, gSoundIterator->second.second, true, &gChannel));

    ErrorCheck(gChannel->setPaused(false));

    switch(Type)
    {
    case Song:
        gChannel->setVolume( gMusicVolume * gMasterVolume );
        break;

    case SFX:
        gChannel->setVolume( gEffectVolume * gMasterVolume );
        break;
    }

    FMOD_VECTOR	tVelocity	=	{0, 0, 0};
    gResult	=	gChannel->set3DAttributes(&gListenerPosition, &tVelocity);
    ErrorCheck(gResult);

    gPlayingSounds->push_back(new PlayingSound(PSIndex( gUniqueIndex, Name ), PSEntry( Type, gChannel )));
    ++gUniqueIndex;

    return gUniqueIndex - 1;
}

void Window::_InitSwapchainImages()
{
	_swapchain_images.resize( _swapchain_image_count );
	_swapchain_image_views.resize( _swapchain_image_count );

	ErrorCheck( vkGetSwapchainImagesKHR( _renderer->GetVulkanDevice(), _swapchain, &_swapchain_image_count, _swapchain_images.data() ) );

	for( uint32_t i=0; i < _swapchain_image_count; ++i ) {
		VkImageViewCreateInfo image_view_create_info {};
		image_view_create_info.sType				= VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO;
		image_view_create_info.image				= _swapchain_images[ i ];
		image_view_create_info.viewType				= VK_IMAGE_VIEW_TYPE_2D;
		image_view_create_info.format				= _surface_format.format;
		image_view_create_info.components.r			= VK_COMPONENT_SWIZZLE_IDENTITY;
		image_view_create_info.components.g			= VK_COMPONENT_SWIZZLE_IDENTITY;
		image_view_create_info.components.b			= VK_COMPONENT_SWIZZLE_IDENTITY;
		image_view_create_info.components.a			= VK_COMPONENT_SWIZZLE_IDENTITY;
		image_view_create_info.subresourceRange.aspectMask			= VK_IMAGE_ASPECT_COLOR_BIT;
		image_view_create_info.subresourceRange.baseMipLevel		= 0;
		image_view_create_info.subresourceRange.levelCount			= 1;
		image_view_create_info.subresourceRange.baseArrayLayer		= 0;
		image_view_create_info.subresourceRange.layerCount			= 1;

		ErrorCheck( vkCreateImageView( _renderer->GetVulkanDevice(), &image_view_create_info, nullptr, &_swapchain_image_views[ i ] ) );
	}
}

/***********************************************************************
 *
 * Function:    sync_MergeFromPilot_fast
 *
 * Summary:     er, fast merge from Palm to desktop
 *
 * Parameters:  None
 *
 * Returns:     0 if success, nonzero otherwise
 *
 ***********************************************************************/
static int
sync_MergeFromPilot_fast(SyncHandler * sh, int dbhandle,
			 RecordModifier rec_mod)
{
	int 	result = 0;
	PilotRecord *precord 	= sync_NewPilotRecord(DLP_BUF_SIZE);
	DesktopRecord *drecord 	= NULL;
	RecordQueue rq 		= { 0, NULL };
	pi_buffer_t *recbuf = pi_buffer_new(DLP_BUF_SIZE);
	
	while (dlp_ReadNextModifiedRec(sh->sd, dbhandle, recbuf,
				       &precord->recID, NULL,
				       &precord->flags,
				       &precord->catID) >= 0) {
		int count = rq.count;
		precord->len = recbuf->used;
		if (precord->len > DLP_BUF_SIZE)
			precord->len = DLP_BUF_SIZE;
		memcpy(precord->buffer, recbuf->data, precord->len);
		ErrorCheck(sh->Match(sh, precord, &drecord));
		ErrorCheck(sync_record
			   (sh, dbhandle, drecord, precord, &rq, rec_mod));

		if (drecord && rq.count == count)
			ErrorCheck(sh->FreeMatch(sh, drecord));
	}
	pi_buffer_free(recbuf);
	sync_FreePilotRecord(precord);

	result = sync_MergeFromPilot_process(sh, dbhandle, &rq, rec_mod);

	return result;
}

void AudioSystem::Play3DSound(FMOD::Sound* sound, const FMOD_VECTOR& position, FMOD::Channel** channel){
	FMOD_RESULT result = m_system->playSound(FMOD_CHANNEL_FREE, sound, true, &*channel);
	ErrorCheck(result);
	result = (*channel)->set3DAttributes(&position, 0);
	ErrorCheck(result);
	result = (*channel)->setPaused(false);
	ErrorCheck(result);
}

	AudioClip::AudioClip(const string& filename, bool streamed)
		: m_channel(0), m_playing(false), m_paused(false), m_looping(false), m_volume(1.0f)
	{
		if (!streamed)
			ErrorCheck(Audio::AudioSystem().createSound(filename.c_str(), FMOD_DEFAULT, 0, &m_sound));
		else
			ErrorCheck(Audio::AudioSystem().createStream(filename.c_str(), FMOD_DEFAULT, 0, &m_sound));
	}

void										Summerface::AddWindow								(const std::string& aName, SummerfaceWindow_Ptr aWindow)
{
	ErrorCheck(aWindow, "Summerface::AddWindow: Window is not a valid pointer. [Name: %s]", aName.c_str());
	ErrorCheck(Windows.find(aName) == Windows.end(), "Summerface::AddWindow: Window with name is already present. [Name: %s]", aName.c_str());

	Windows[aName] = aWindow;
	aWindow->SetInterface(shared_from_this(), aName);
	ActiveWindow = aName;
}

  bool AudioFMOD::Load(FMOD::Studio::Bank*& bank, const std::string & path)
  {
    Trace("Loading '" + path + "'");
    // Load the bank into the sound system
    if (!ErrorCheck(System->loadBankFile(path.c_str(), FMOD_STUDIO_LOAD_BANK_NORMAL, &bank)))
      return false;

    // Now that the bank is finished loading, load its sample data
    ErrorCheck(bank->loadSampleData());
    return true;
  }

 void AudioFMOD::Initialize()
 {
   Trace("Initializing Low Level and Studio system objects... ");
   // Create the Low Level System
   ErrorCheck(FMOD::System_Create(&System.LowLevel));
   // Create the Studio System
   ErrorCheck(System->create(&System.Studio));
   // Set FMOD low level studio pointer
   ErrorCheck(System->getLowLevelSystem(&System.LowLevel));
   // Initialize it
   unsigned maxChannels = 36;
   ErrorCheck(System->initialize(maxChannels, FMOD_STUDIO_INIT_NORMAL, FMOD_INIT_NORMAL, nullptr));
 }

void OpenCLBase::GetPlatformInfo(cl_platform_id id) {
	// 
	size_t length;
	cl_int errorCode;

	errorCode = clGetPlatformInfo(id, CL_PLATFORM_PROFILE, 0, NULL, &length);
	ErrorCheck("clGetPlatformInfo", errorCode);

	char* param = reinterpret_cast<char*>(malloc(length * sizeof(char)));
	errorCode = clGetPlatformInfo(id, CL_PLATFORM_PROFILE, length, param, NULL);
	ErrorCheck("clGetPlatformInfo", errorCode);
		
	cout << param << endl;

	free(param);
}

void Renderer::_InitRenderPass() {
	VkAttachmentDescription color_attachment {};
	color_attachment.format = _window->getSurfaceFormat().format;
	color_attachment.samples = VK_SAMPLE_COUNT_1_BIT;
	color_attachment.loadOp = VK_ATTACHMENT_LOAD_OP_CLEAR;
	color_attachment.storeOp = VK_ATTACHMENT_STORE_OP_STORE;
	color_attachment.stencilLoadOp = VK_ATTACHMENT_LOAD_OP_DONT_CARE;
	color_attachment.stencilStoreOp = VK_ATTACHMENT_STORE_OP_DONT_CARE;
	color_attachment.initialLayout = VK_IMAGE_LAYOUT_UNDEFINED;
	color_attachment.finalLayout = VK_IMAGE_LAYOUT_PRESENT_SRC_KHR;

	VkAttachmentDescription depth_attachment {};
	depth_attachment.format = findSupportedFormat(
		{ VK_FORMAT_D32_SFLOAT, VK_FORMAT_D32_SFLOAT_S8_UINT, VK_FORMAT_D24_UNORM_S8_UINT },
		VK_IMAGE_TILING_OPTIMAL,
		VK_FORMAT_FEATURE_DEPTH_STENCIL_ATTACHMENT_BIT
	);
	depth_attachment.samples = VK_SAMPLE_COUNT_1_BIT;
	depth_attachment.loadOp = VK_ATTACHMENT_LOAD_OP_CLEAR;
	depth_attachment.storeOp = VK_ATTACHMENT_STORE_OP_DONT_CARE;
	depth_attachment.stencilLoadOp = VK_ATTACHMENT_LOAD_OP_DONT_CARE;
	depth_attachment.stencilStoreOp = VK_ATTACHMENT_STORE_OP_DONT_CARE;
	depth_attachment.initialLayout = VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL;
	depth_attachment.finalLayout = VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL;

	VkAttachmentReference color_attachment_reference {};
	color_attachment_reference.attachment = 0;
	color_attachment_reference.layout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL;

	VkAttachmentReference depth_attachment_reference {};
	depth_attachment_reference.attachment = 1;
	depth_attachment_reference.layout = VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL;

	VkSubpassDescription subpass{};
	subpass.pipelineBindPoint = VK_PIPELINE_BIND_POINT_GRAPHICS;
	subpass.colorAttachmentCount = 1;
	subpass.pColorAttachments = &color_attachment_reference;
	subpass.pDepthStencilAttachment = &depth_attachment_reference;

	VkSubpassDependency dependency {};
	dependency.srcSubpass = VK_SUBPASS_EXTERNAL;
	dependency.dstSubpass = 0;
	dependency.srcStageMask = VK_PIPELINE_STAGE_BOTTOM_OF_PIPE_BIT;
	dependency.srcAccessMask = VK_ACCESS_MEMORY_READ_BIT;
	dependency.dstStageMask = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT;
	dependency.dstAccessMask = VK_ACCESS_COLOR_ATTACHMENT_READ_BIT | VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT;

	std::array<VkAttachmentDescription, 2> attachments = { color_attachment, depth_attachment };

	VkRenderPassCreateInfo render_pass_create_info {};
	render_pass_create_info.sType = VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO;
	render_pass_create_info.attachmentCount = (uint32_t)attachments.size();
	render_pass_create_info.pAttachments = attachments.data();
	render_pass_create_info.subpassCount = 1;
	render_pass_create_info.pSubpasses = &subpass;
	render_pass_create_info.dependencyCount = 1;
	render_pass_create_info.pDependencies = &dependency;

	ErrorCheck(vkCreateRenderPass(_device, &render_pass_create_info, nullptr, &_render_pass));
}