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/* Project nGenEx
Destroyer Studios LLC
Copyright © 1997-2004. All Rights Reserved.
SUBSYSTEM: nGenEx.lib
FILE: Sound.h
AUTHOR: John DiCamillo
OVERVIEW
========
Abstract Sound Object
*/
#ifndef Sound_h
#define Sound_h
#include "Types.h"
#include "Geometry.h"
// +--------------------------------------------------------------------+
class SoundCard;
class SoundCheck;
class Camera;
// +--------------------------------------------------------------------+
class Sound
{
public:
static const char* TYPENAME() { return "Sound"; }
static Sound* CreateStream(const char* filename);
static Sound* CreateOggStream(const char* filename);
static Sound* Create(DWORD flags, LPWAVEFORMATEX format);
static Sound* Create(DWORD flags, LPWAVEFORMATEX format, DWORD len, LPBYTE data);
static void SetListener(const Camera& cam, const Vec3& vel);
static void UseSoundCard(SoundCard* s) { creator = s; }
public:
Sound();
virtual ~Sound();
int operator==(const Sound& rhs) const { return this == &rhs; }
enum FlagEnum { AMBIENT = 0x0000,
LOCALIZED = 0x0001,
LOC_3D = 0x0002,
MEMORY = 0x0000,
STREAMED = 0x0004,
ONCE = 0x0000,
LOOP = 0x0008,
FREE = 0x0000,
LOCKED = 0x0010,
DOPPLER = 0x0020,
INTERFACE = 0x0040,
OGGVORBIS = 0x4000,
RESOURCE = 0x8000 // not playable, only used to store data
};
enum StatusEnum { UNINITIALIZED,
INITIALIZING,
READY,
PLAYING,
DONE };
// once per frame:
virtual void Update() { }
// mark for collection:
virtual void Release();
// data loading:
// this method is for streamed sounds:
virtual HRESULT StreamFile(const char* name, DWORD offset) { return E_NOINTERFACE; }
// this method is for memory sounds:
virtual HRESULT Load(DWORD bytes, BYTE* data) { return E_NOINTERFACE; } // => Ready
// this method is for sound resources:
virtual Sound* Duplicate() { return 0; } // => Ready
// transport operations:
virtual HRESULT Play() { return E_NOINTERFACE; } // => Playing
virtual HRESULT Rewind() { return E_NOINTERFACE; } // => Ready
virtual HRESULT Pause() { return E_NOINTERFACE; } // => Ready
virtual HRESULT Stop() { return E_NOINTERFACE; } // => Done
// accessors / mutators
int IsReady() const { return status == READY; }
int IsPlaying() const { return status == PLAYING; }
int IsDone() const { return status == DONE; }
int LoopCount() const { return looped; }
virtual DWORD GetFlags() const { return flags; }
virtual void SetFlags(DWORD f) { flags = f; }
virtual DWORD GetStatus() const { return status; }
virtual long GetVolume() const { return volume; }
virtual void SetVolume(long v) { volume = v; }
virtual long GetPan() const { return 0; }
virtual void SetPan(long p) { }
// (only for streamed sounds)
virtual double GetTotalTime() const { return 0; }
virtual double GetTimeRemaining() const { return 0; }
virtual double GetTimeElapsed() const { return 0; }
// These should be relative to the listener:
// (only used for localized sounds)
virtual const Vec3& GetLocation() const { return location; }
virtual void SetLocation(const Vec3& l) { location = l; }
virtual const Vec3& GetVelocity() const { return velocity; }
virtual void SetVelocity(const Vec3& v) { velocity = v; }
virtual float GetMinDistance() const { return 0; }
virtual void SetMinDistance(float f) { }
virtual float GetMaxDistance() const { return 0; }
virtual void SetMaxDistance(float f) { }
virtual void SetSoundCheck(SoundCheck* s) { sound_check = s; }
virtual void AddToSoundCard();
const char* GetFilename() const { return filename; }
void SetFilename(const char* s);
protected:
DWORD flags;
DWORD status;
long volume; // centibels, (0 .. -10000)
int looped;
Vec3 location;
Vec3 velocity;
SoundCheck* sound_check;
char filename[64];
static SoundCard* creator;
};
// +--------------------------------------------------------------------+
class SoundCheck
{
public:
virtual void Update(Sound* s) { }
};
#endif Sound_h
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