SoundFX.h

#ifndef SOUNDFX_H_
#define SOUNDFX_H_

#include <string>

#if defined(_MSC_VER)

#include "irrKlang/irrKlang.h"
#pragma comment(lib, "irrKlang.lib")
#include <iostream>

class SoundFXController
{
  public:

	void playClip(std::string soundFile)
	{
		if (m_engine != nullptr)
			m_engine->play2D(soundFile.c_str(), false);
	}

	void abortClip()
	{
		if (m_engine != nullptr)
			m_engine->stopAllSounds();
	}

	static SoundFXController& getInstance();

  private:
	irrklang::ISoundEngine* m_engine;

	SoundFXController()
	{
		m_engine = irrklang::createIrrKlangDevice();
		if (m_engine == nullptr)
			std::cout << "Cannot create sound engine!  Game will be silent."
					  << std::endl;
	}

	~SoundFXController()
	{
		if (m_engine != nullptr)
			m_engine->drop();
	}

	SoundFXController(const SoundFXController&);
	SoundFXController& operator=(const SoundFXController&);
};

#elif defined(__APPLE__)

#include <memory>
#include <spawn.h>
#include <csignal>
#include <cstring>

class SoundFXController
{
  public:
    SoundFXController()
     : pidValid(false)
    {}

    void playClip(std::string soundFile)
    {
        char cmd[] = "/usr/bin/afplay";
        std::unique_ptr<char[]> fileName(new char[soundFile.size()+1]);
        std::strcpy(fileName.get(), soundFile.c_str());
        char* argv[] = { cmd, fileName.get(), nullptr };
        abortClip();  // stop anything currently playing
        pidValid = (posix_spawn(&pid, argv[0], nullptr, nullptr, argv, nullptr) == 0);
    }
    
    void abortClip()
    {
        if (pidValid)
            kill(pid, SIGINT);
        pidValid = false;
    }
    
    static SoundFXController& getInstance();

  private:
    pid_t pid;
    bool pidValid;
};

#else  // forget about sound

class SoundFXController
{
  public:
    void playClip(std::string) {}
    void abortClip() {}
    static SoundFXController& getInstance();
};

#endif

  // Meyers singleton pattern
inline SoundFXController& SoundFXController::getInstance()
{
	static SoundFXController instance;
	return instance;
}

inline SoundFXController& SoundFX()
{
	return SoundFXController::getInstance();
}

#endif // SOUNDFX_H_