Magic_Game/core/utils/Music.h

// Copyright (c) 2016-2018 Easy2D - 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 "../base/base.h"
#include "../base/RefCounter.h"
#include "../base/Resource.h"
#include <xaudio2.h>

namespace easy2d
{
	// <20><><EFBFBD><EFBFBD>
	class Music
		: public RefCounter
	{
	public:
		Music();

		Music(
			const String& file_path	/* <20><><EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD>·<EFBFBD><C2B7> */
		);

		Music(
			Resource& res					/* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Դ */
		);

		virtual ~Music();

		// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD>
		bool Load(
			const String& file_path	/* <20><><EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD>·<EFBFBD><C2B7> */
		);

		// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Դ
		bool Load(
			Resource& res					/* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Դ */
		);

		// <20><><EFBFBD><EFBFBD>
		bool Play(
			int loop_count = 0				/* <20><><EFBFBD><EFBFBD>ѭ<EFBFBD><D1AD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> (-1 Ϊѭ<CEAA><D1AD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>) */
		);

		// <20><>ͣ
		void Pause();

		// <20><><EFBFBD><EFBFBD>
		void Resume();

		// ֹͣ
		void Stop();

		// <20>رղ<D8B1><D5B2><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Դ
		void Close();

		// <20>Ƿ<EFBFBD><C7B7><EFBFBD><EFBFBD>ڲ<EFBFBD><DAB2><EFBFBD>
		bool IsPlaying() const;

		// <20><>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD>
		float GetVolume() const;

		// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
		bool SetVolume(
			float volume	/* 1 Ϊԭʼ<D4AD><CABC><EFBFBD><EFBFBD>, <20><><EFBFBD><EFBFBD> 1 Ϊ<>Ŵ<EFBFBD><C5B4><EFBFBD><EFBFBD><EFBFBD>, 0 Ϊ<><CEAA>С<EFBFBD><D0A1><EFBFBD><EFBFBD> */
		);

		// <20><>ȡ IXAudio2SourceVoice <20><><EFBFBD><EFBFBD>
		IXAudio2SourceVoice * GetSourceVoice() const;

	protected:
		E2D_DISABLE_COPY(Music);

	protected:
		bool					opened_;
		bool					playing_;
		UINT32					size_;
		BYTE*					wave_data_;
		IXAudio2SourceVoice*	voice_;
	};
}