Magic_Game/src/kiwano-audio/Sound.h

// Copyright (c) 2016-2018 Kiwano - Nomango
// 
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
// 
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.

#pragma once
#include <kiwano/core/ObjectBase.h>
#include <kiwano/core/Resource.h>
#include <kiwano/platform/win32/ComPtr.hpp>
#include <kiwano-audio/Transcoder.h>
#include <xaudio2.h>

namespace kiwano
{
	namespace audio
	{
		class AudioEngine;

		KGE_DECLARE_SMART_PTR(Sound);

		/**
		* \addtogroup Audio
		* @{
		*/

		/**
		* \~chinese
		* @brief <EFBFBD><EFBFBD>Ƶ
		*/
		class KGE_API Sound
			: public virtual ObjectBase
		{
			friend class AudioEngine;

		public:
			Sound();

			virtual ~Sound();

			/// \~chinese
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			/// @param res <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƶ<EFBFBD>ļ<EFBFBD>·<EFBFBD><C2B7>
			bool Load(String const& file_path);

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			/// @param res <20><>Ƶ<EFBFBD><C6B5>Դ
			bool Load(Resource const& res);

			/// \~chinese
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			bool IsValid() const;

			/// \~chinese
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			/// @param loop_count <20><><EFBFBD><EFBFBD>ѭ<EFBFBD><D1AD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> -1 Ϊѭ<CEAA><D1AD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
			void Play(int loop_count = 0);

			/// \~chinese
			/// @brief <20><>ͣ
			void Pause();

			/// \~chinese
			/// @brief <20><><EFBFBD><EFBFBD>
			void Resume();

			/// \~chinese
			/// @brief ֹͣ
			void Stop();

			/// \~chinese
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			void Close();

			/// \~chinese
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			bool IsPlaying() const;

			/// \~chinese
			/// @brief <20><>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD>
			float GetVolume() const;

			/// \~chinese
			/// @brief <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
			/// @param volume <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>С<EFBFBD><D0A1>1.0 Ϊԭʼ<D4AD><CABC><EFBFBD><EFBFBD>, <20><><EFBFBD><EFBFBD> 1 Ϊ<>Ŵ<EFBFBD><C5B4><EFBFBD><EFBFBD><EFBFBD>, 0 Ϊ<><CEAA>С<EFBFBD><D0A1><EFBFBD><EFBFBD>
			void SetVolume(float volume);

		private:
			IXAudio2SourceVoice* GetXAudio2Voice() const;

			void SetXAudio2Voice(IXAudio2SourceVoice* voice);

		private:
			bool					opened_;
			bool					playing_;
			Transcoder				transcoder_;
			IXAudio2SourceVoice*	voice_;
		};

		/** @} */


		inline IXAudio2SourceVoice* Sound::GetXAudio2Voice() const
		{
			return voice_;
		}

		inline void Sound::SetXAudio2Voice(IXAudio2SourceVoice* voice)
		{
			voice_ = voice;
		}
	}
}