1 files changed, 351 insertions, 0 deletions
diff --git a/Runtime/Audio/AudioSource.h b/Runtime/Audio/AudioSource.h
new file mode 100644
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--- /dev/null
+++ b/Runtime/Audio/AudioSource.h
@@ -0,0 +1,351 @@
+#ifndef AUDIOSOURCE_H
+#define AUDIOSOURCE_H
+
+#if ENABLE_AUDIO
+#include "Runtime/GameCode/Behaviour.h"
+#include "AudioParameters.h"
+#include "AudioSourceFilter.h"
+#include "Runtime/Math/Vector3.h"
+#include <vector>
+#include "AudioClip.h"
+#include "AudioLowPassFilter.h"
+#include "AudioBehaviour.h"
+#if UNITY_FLASH
+#include "PlatformDependent/FlashSupport/cpp/AudioChannel.h"
+#endif
+
+
+class AudioSource : public AudioBehaviour
+{
+public:
+
+	REGISTER_DERIVED_CLASS   (AudioSource, AudioBehaviour)
+	DECLARE_OBJECT_SERIALIZE (AudioSource)
+
+	/**
+	 * Construction/Destruction
+	 **/
+	AudioSource (MemLabelId label, ObjectCreationMode mode);
+	// virtual ~AudioSource (); declared-by-macro
+
+	
+	/**
+	 * Transport
+	 **/
+	/// Plays a sound one time, then forgets about it (You cannot stop a one shot sound)
+	void PlayOneShot (AudioClip& clip, float volumeMultiplier = 1.0F);
+	/// Pause one shot sounds
+	void PauseOneShots ();
+	/// Resumes one shot sounds
+	void ResumeOneShots ();
+	/// Plays the active audioclip at (future) scheduled time. If time < 0 it specifies a delay
+	void Play(double time = 0.0);
+	/// Pauses the active audioclip
+	void Pause ();
+	/// Stops the active audio clip
+	void Stop (bool stopOneShots);
+	/// Stops a specific channel
+	void Stop(AudioChannel* channel);
+	/// Is the audio source currently playing? (Only looks at the main audio source, OneShots are ignored)
+	bool IsPlaying () const;
+	/// Is the audio source currently paused? (Only looks at the main audio source, OneShots are ignored)
+	bool IsPaused () const;
+
+	bool IsPlayingScripting ();
+	
+	// positions
+	// seconds
+	float GetSecPosition() const;
+	void SetSecPosition(float secPosition);
+
+	UInt32 GetSamplePosition() const;
+	void SetSamplePosition(UInt32 position);
+	void SetScheduledStartTime(double time);
+	void SetScheduledEndTime(double time);
+	void CorrectScheduledTimeAfterUnpause(UInt64 delay);
+	
+	// Get Length
+	float GetLength() const;
+	
+	/// Get/Set PlayOnAwake
+	bool GetPlayOnAwake() const { return m_PlayOnAwake; }
+	void SetPlayOnAwake(bool playOnAwake);	
+	bool GetIgnoreListenerPause() const { return m_AudioParameters.ignoreListenerPause; }
+	void SetIgnoreListenerPause(bool ignoreListenerPause);	
+	bool HasScheduledStartDelay() const { return m_HasScheduledStartDelay; }
+	bool HasScheduledEndDelay() const { return m_HasScheduledEndDelay; }
+	bool HasScheduledTime() const { return m_HasScheduledStartDelay | m_HasScheduledEndDelay; }
+	
+	/**
+	 * Behaviour implementation
+	 **/
+	virtual void Deactivate (DeactivateOperation operation);
+	virtual void AwakeFromLoad (AwakeFromLoadMode awakeMode);
+	virtual void CheckConsistency ();
+	virtual void Update ();
+	virtual void FixedUpdate ();
+
+	static void InitializeClass ();	
+	static void CleanupClass();
+	
+	/**
+	 *
+	 **/
+	void AddToManager();
+	void RemoveFromManager();
+	
+	void OnAddComponent();
+	
+	
+	virtual void Reset();
+	
+	void Cleanup();	
+
+public:
+	// GET/SETTERS	
+	bool GetLoop () const;
+	void SetLoop (bool loop);
+	
+	/// Get/Set pitch of the sound 
+	float GetPitch() const;
+	void  SetPitch(float pitch);
+	
+	// Get/Set volume of the sound
+	float GetVolume() const;
+	void  SetVolume(float volume);
+	
+	// Sets how much the 3d engine has an effect on the channel.
+	float GetPanLevel() const;
+	void SetPanLevel(float level);
+	
+	// Sets the doppler scale for this AudioSource
+	float GetDopplerLevel() const;
+	void SetDopplerLevel(float level);
+	
+	// Sets the spread angle of a 3d stereo or multichannel sound in speaker space.
+	// 0 = all sound channels are located at the same speaker location and is 'mono'. 
+	// 360 = all subchannels are located at the opposite speaker location to the speaker location that it should be according to 3D position. Default = 0.  
+	float GetSpread() const;
+	void SetSpread(float spread);
+	
+	// Sets the priority of the [[AudioSource]]
+	// Unity is virtualizing AudioSources, when there's more AudioSources playing than available hardware channels. 
+	// The AudioSources with lowest priority (and audibility) is virtualized first.
+	// Priority is an integer between 0 and 256. 0=highest priority, 256=lowest priority
+	int GetPriority() const;
+	void SetPriority(int priority);
+	
+	// Un- / Mutes the AudioSource. Mute sets the volume=0, Un-Mute restore the original volume.
+	bool GetMute() const;
+	void SetMute(bool mute);
+	
+	// Within the Min distance the AudioSource will cease to grow louder in volume. 
+	// Outside the min distance the volume starts to attenuate.
+	float GetMinDistance() const;
+	void SetMinDistance(float minDistance);
+	
+	// (Logarithmic rolloff) MaxDistance is the distance a sound stops attenuating at.
+	// (Linear rolloff) MaxDistance is the distance where the sound is completely inaudible.
+	float GetMaxDistance() const;
+	void SetMaxDistance(float maxDistance);
+	
+	// Inside cone angle, in degrees. This is the angle within which the sound is at its normal volume. 
+	// Must not be greater than outsideconeangle. Default = 360.
+	float GetInsideConeAngle() const;
+	void SetInsideConeAngle(float angle);
+	
+	/// Outside cone angle, in degrees. This is the angle outside of which the sound is at its outside volume. 
+	/// Must not be less than insideconeangle. Default = 360. 
+	float GetOutsideConeAngle() const;
+	void SetOutsideConeAngle(float angle);
+		
+	/// Cone outside volume, from 0 to 1.0. Default = 1.0.  
+	float GetOutsideConeVolume() const; 
+	void SetOutsideConeVolume(float volume); 
+	
+	/// Set/Get rolloff mode
+	RolloffMode GetRolloffMode() const;
+	void SetRolloffMode(RolloffMode mode);
+	
+	/// Set/Get Custom rolloff curve
+	AnimationCurve& GetCustomRolloffCurve();
+	const AnimationCurve& GetCustomRolloffCurve() const;
+	void SetCustomRolloffCurve(const AnimationCurve&);
+	
+	/// Set/Get PanLevel distance curve
+	AnimationCurve& GetCustomPanLevelCurve();
+	const AnimationCurve& GetCustomPanLevelCurve() const;
+	void SetCustomPanLevelCurve(const AnimationCurve&);
+	
+	/// Set/Get spread distance curve
+	AnimationCurve& GetCustomSpreadCurve();
+	const AnimationCurve& GetCustomSpreadCurve() const;
+	void SetCustomSpreadCurve(const AnimationCurve&);
+		
+	/// Sets a audiosource pan position linearly. Only works for 2D clips.
+	/// -1.0 to 1.0. -1.0 is full left. 0.0 is center. 1.0 is full right.
+	/// Only sounds that are mono or stereo can be panned. Multichannel sounds (ie >2 channels) cannot be panned.
+	float GetPan() const;
+	void SetPan(float pan);
+
+	/// Bypass/ignore any applied effects on AudioSource
+	bool GetBypassEffects() const;
+	void SetBypassEffects(bool bypassEffect);		
+
+	/// Bypass/ignore any applied effects on listener
+	bool GetBypassListenerEffects() const;
+	void SetBypassListenerEffects(bool bypassListenerEffects);		
+
+	/// Bypass effect of reverb zones on this AudioSource
+	bool GetBypassReverbZones() const;
+	void SetBypassReverbZones(bool bypassReverbZones);
+
+#if ENABLE_AUDIO_FMOD		
+	/// Gets the current output pcm data
+	void GetOutputData(float* samples, int numSamples, int channelOffset);
+	/// Gets the current spectrum data
+	void GetSpectrumData(float* samples, int numSamples, int channelOffset, FMOD_DSP_FFT_WINDOW windowType);
+#endif
+	/// Sets the currently active audio clip
+	void 	SetAudioClip(AudioClip *clip);
+	AudioClip *GetAudioClip () const {return m_AudioClip; }	
+	
+	int GetVelocityUpdateMode() const         { return m_VelocityUpdateMode; }
+	void SetVelocityUpdateMode(int update) { m_VelocityUpdateMode=update; }	
+	
+	bool GetIgnoreListenerVolume() const { return m_IgnoreListenerVolume; }
+	void SetIgnoreListenerVolume(bool ignore);
+
+private:
+#if DOXYGEN
+	int Priority; ///< Sets the priority of the source. A sound with a lower priority will more likely be stolen by high priorities sounds.
+	float DopplerLevel; ///< Sets the specific doppler scale for the source.
+	float MinDistance; ///< Within the minDistance, the volume will stay at the loudest possible.  Outside of this mindistance it begins to attenuate.
+	float MaxDistance; ///< MaxDistance is the distance a sound stops attenuating at. 
+	float Pan2D; ///< Sets a source's pan position linearly. Only applicable on 2D sounds.
+	
+	float m_Pitch; ///< Sets the frequency of the sound. Use this to slow down or speed up the sound.
+	float m_Volume; ///< Sets the volume of the sound. 
+	
+	// rolloff
+	RolloffMode rolloffMode; ///< enum { Logarithmic Rolloff=0, Linear Rolloff, Custom Rolloff }
+	
+	bool Loop; ///< Set the source to loop. If loop points are defined in the clip, these will be respected.
+	bool Mute; ///< Mutes the sound.
+	
+	bool BypassEffects;	///< Bypass/ignore any applied effects on AudioSource
+	bool BypassListenerEffects;	///< Bypass/ignore any applied effects from listener
+	bool BypassReverbZones;	///< Bypass/ignore any reverb zones
+	bool IgnoreListenerPause; ///< Allow source to play even though AudioListener is paused (for GUI sounds)
+
+#else
+	AudioParameters m_AudioParameters;	
+#endif
+	
+	
+private:
+	/**
+	 * OneShots
+	 **/
+	struct OneShot
+	{
+		AudioChannel* channel;
+		AudioClip* clip;
+		float volumeScale;
+		AudioSource* audioSource;
+	};
+	
+	typedef std::vector<OneShot*> TOneShots;
+	
+	TOneShots m_OneShots;
+
+	/**
+	 * Update channel properties
+	 * @param channel The channel to update
+	 * @param oneshot Is this a oneshot?
+	 * @return True if channel was update. False if the channel is invalid
+	 **/
+	inline bool UpdateParameters(AudioChannel* channel, OneShot* oneshot = NULL);
+
+	/**
+	 * Create a custom rolloff curve from old <3.0 parameters
+	 **/
+	void CreateOpenALRolloff(float rolloffFactor, float minVolume, float maxVolume);
+	
+	/**
+	 * Setup effect and non-effect groups  
+	 **/
+	void SetupGroups();
+	void TearDownGroups();
+	void SetChannelGroup(AudioChannel* channel);
+
+#if ENABLE_AUDIO_FMOD		
+	/**
+	 * Apply filters
+	 **/
+	void ApplyFilters();
+#endif
+	
+private: 
+	PPtr<AudioClip> m_AudioClip;
+	ListNode<AudioSource> m_Node;		
+	AudioChannel* m_Channel;	
+	
+
+	AudioManager::AudioScheduledSource m_ScheduledSource;	
+
+#if ENABLE_AUDIO_FMOD		
+	// channel group, filter/non-filter group and for oneshot
+	FMOD::ChannelGroup* m_dryGroup; // No Effect unit
+	FMOD::ChannelGroup* m_wetGroup; // Effect unit
+#endif	
+	/** 
+	 * backward compatibility props
+	 **/
+	bool m_IgnoreListenerVolume;	
+	
+	bool    m_PlayOnAwake;		///<Play the sound when the scene loads.
+	bool	m_HasScheduledStartDelay;
+	bool	m_HasScheduledEndDelay;
+	int		m_VelocityUpdateMode;		
+	Vector3f m_LastUpdatePosition;
+	
+	// cached position
+	unsigned m_samplePosition;
+	// cache pause
+	bool m_pause;
+	
+	void DoUpdate();
+	void UpdateQueue();
+	void SetupQueue();
+	void AssignProps();
+	float CalculateVolumeModifierForDistance(float distance);
+
+#if ENABLE_AUDIO_FMOD	
+	FMOD::DSP* m_PlayingDSP;
+	typedef std::vector<FMOD::DSP*> TFilters;
+	bool GetFilterComponents(TFilters &filters, bool create) const;
+#endif
+	
+	friend class AudioManager;
+
+#if ENABLE_PROFILER
+	static int s_AudioSourceCount;
+#endif
+
+#if ENABLE_AUDIO_FMOD
+private: // callbacks
+	//static FMOD_RESULT F_CALLBACK channelCallback(
+	//	FMOD_CHANNEL *channel, FMOD_CHANNEL_CALLBACKTYPE type, void *commanddata1, void *commanddata2);
+	static float F_CALLBACK rolloffCallback( 
+											 FMOD_CHANNEL *  channel,  
+											 float  distance 
+	); 
+#endif //ENABLE_AUDIO_FMOD
+	
+public: // static helper functions
+	static AudioSource* GetAudioSourceFromChannel(AudioChannel* channel);
+};
+
+#endif //ENABLE_AUDIO
+#endif