Magic_Game/src/kiwano-audio/SoundPlayer.cpp

// 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.

#include <kiwano-audio/SoundPlayer.h>

namespace kiwano
{
	namespace audio
	{
		SoundPlayer::SoundPlayer()
			: volume_(1.f)
		{
		}

		SoundPlayer::~SoundPlayer()
		{
			ClearCache();
		}

		size_t SoundPlayer::Load(String const& file_path)
		{
			int hash_code = static_cast<int>(file_path.hash());
			if (sound_cache_.end() != sound_cache_.find(hash_code))
				return hash_code;

			SoundPtr sound = new (std::nothrow) Sound;

			if (sound)
			{
				if (sound->Load(file_path))
				{
					sound->SetVolume(volume_);
					sound_cache_.insert(std::make_pair(hash_code, sound));
					return hash_code;
				}
			}
			return 0;
		}

		size_t SoundPlayer::Load(Resource const& res)
		{
			size_t hash_code = static_cast<size_t>(res.GetId());
			if (sound_cache_.end() != sound_cache_.find(hash_code))
				return hash_code;

			SoundPtr sound = new (std::nothrow) Sound;

			if (sound)
			{
				if (sound->Load(res))
				{
					sound->SetVolume(volume_);
					sound_cache_.insert(std::make_pair(hash_code, sound));
					return hash_code;
				}
			}
			return 0;
		}

		void SoundPlayer::Play(size_t id, int loop_count)
		{
			auto iter = sound_cache_.find(id);
			if (sound_cache_.end() != iter)
				iter->second->Play(loop_count);
		}

		void SoundPlayer::Pause(size_t id)
		{
			auto iter = sound_cache_.find(id);
			if (sound_cache_.end() != iter)
				iter->second->Pause();
		}

		void SoundPlayer::Resume(size_t id)
		{
			auto iter = sound_cache_.find(id);
			if (sound_cache_.end() != iter)
				iter->second->Resume();
		}

		void SoundPlayer::Stop(size_t id)
		{
			auto iter = sound_cache_.find(id);
			if (sound_cache_.end() != iter)
				iter->second->Stop();
		}

		bool SoundPlayer::IsPlaying(size_t id)
		{
			auto iter = sound_cache_.find(id);
			if (sound_cache_.end() != iter)
				return iter->second->IsPlaying();
			return false;
		}

		float SoundPlayer::GetVolume() const
		{
			return volume_;
		}

		void SoundPlayer::SetVolume(float volume)
		{
			volume_ = std::min(std::max(volume, -224.f), 224.f);
			for (const auto& pair : sound_cache_)
			{
				pair.second->SetVolume(volume_);
			}
		}

		void SoundPlayer::PauseAll()
		{
			for (const auto& pair : sound_cache_)
			{
				pair.second->Pause();
			}
		}

		void SoundPlayer::ResumeAll()
		{
			for (const auto& pair : sound_cache_)
			{
				pair.second->Resume();
			}
		}

		void SoundPlayer::StopAll()
		{
			for (const auto& pair : sound_cache_)
			{
				pair.second->Stop();
			}
		}

		void SoundPlayer::ClearCache()
		{
			sound_cache_.clear();
		}
	}
}