// 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 "Voice.h"

namespace easy2d
{
	E2D_DECLARE_SMART_PTR(Music);

	// 音乐对象
	class E2D_API Music
		: public virtual Object
	{
	public:
		Music();

		Music(
			Resource const& res		/* 音乐资源 */
		);

		virtual ~Music();

		// 打开音乐资源
		bool Load(
			Resource const& res		/* 音乐资源 */
		);

		// 播放
		bool Play(
			int loop_count = 0		/* 播放循环次数 (-1 为循环播放) */
		);

		// 暂停
		void Pause();

		// 继续
		void Resume();

		// 停止
		void Stop();

		// 关闭并回收资源
		void Close();

		// 是否正在播放
		bool IsPlaying() const;

		// 获取音量
		float GetVolume() const;

		// 设置音量
		bool SetVolume(
			float volume	/* 1 为原始音量, 大于 1 为放大音量, 0 为最小音量 */
		);

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