/*********************************************/
/*  Object Class, by Perry R. Cook, 1995-99  */
/*                                           */
/*  This is mostly here for compatibility    */
/*  with Objective C.  We'll also stick      */
/*  global defines here, so everyone will    */
/*  see them.                                */
/*********************************************/

#if !defined(__Object_h)
#define __Object_h

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>

class Object
{
 public:
 protected:
  Object();
  virtual ~Object();
};

/* The OS type definitions are made in the Makefile */

#if defined(__OS_NeXT_)    /* For NeXTStep - Black or White Hardware */
  #define RANDLIMIT 2147483647
#elif defined(__OS_IRIX_)  /* For SGI */
  #define __STK_REALTIME_
  #define RANDLIMIT 2147483647
#elif defined(__OS_Linux_) /* For Linux */
  #define __STK_REALTIME_
  #define __OSS_API_       /* Use OSS API */
//  #define __MIDIATOR_      /* Use special MIDIator support */
//  #define __ALSA_API_      /* Use ALSA API */
  #define __LITTLE_ENDIAN__
  #define RANDLIMIT 2147483647
#elif defined(__OS_Win_)   /* For WindowsXX or NT */
  #define __STK_REALTIME_
  #define __LITTLE_ENDIAN__
  #define RANDLIMIT 32767
#endif

/*
   Real-time audio input and output buffer size.  If clicks
   are occuring in the input or output sound stream, a
   larger buffer size may help.  Larger buffer sizes, however,
   produce more latency between input and output.
*/
#define RT_BUFFER_SIZE 256

/*
   The following definition is concatenated to the beginning
   of all references to rawwave files in the various STK core
   classes (ex. Clarinet.cpp).  If you wish to move the
   rawwaves directory to a different location in your file
   system, you will need to set this path definition
   appropriately.  The current definition is a relative reference
   that will work "out of the box" for the STK distribution.
*/
#ifndef RAWWAVE_PATH 
#define RAWWAVE_PATH "../../"
#endif

/* Sampling Rate */
#ifndef SRATE
#define SRATE (MY_FLOAT) 22050.0
#endif

/* Other SRATE derived defines  */
#define SRATE_OVER_TWO (MY_FLOAT) (SRATE / 2)
#define ONE_OVER_SRATE (MY_FLOAT) (1 / SRATE)
#define TWO_PI_OVER_SRATE (MY_FLOAT) (2 * PI / SRATE)

/* Yer Basic Trigonometric constants  */
#if !defined(PI)
  #define PI (MY_FLOAT) 3.14159265359
#endif
#define TWO_PI (MY_FLOAT) (MY_FLOAT) (2 * PI)
#define ONE_OVER_TWO_PI (MY_FLOAT) (1.0 / PI)
#define SQRT_TWO 1.414213562

/* Useful random number generator values */
#define ONE_OVER_RANDLIMIT (1.0/RANDLIMIT)
#define RANDLIMIT_OVER_TWO (int)(RANDLIMIT/2)

/* FPU Underflow Limit
 * The IEEE specification doesn't call for automatic
 * zeroing of floating-point values when they reach
 * their numerical limits.  Instead, most processors
 * switch to a much more computation-intensive mode
 * when a FPU underflow occurs.  We set a lower limit
 * here for our own (not so efficient) checks.  Here's
 * a useful macro for limiting MY_FLOATs.  At this time,
 * no FPU underflow checks are being performed.
 */

#define FPU_UFLOW_LIMIT 0.0000000001
#define LIMIT_MY_FLOAT(j) ((((j)<(MY_FLOAT)FPU_UFLOW_LIMIT)&&((j)>(MY_FLOAT)-FPU_UFLOW_LIMIT))?(MY_FLOAT)0.0:(j))

/* States for Envelopes, etc. */
#define ATTACK 0
#define DECAY 1
#define SUSTAIN 2
#define RELEASE 3

/* Machine dependent stuff, possibly useful for optimization.
 * For example, changing double to float here increases
 * performance (speed) by a whopping 4-6% on 486-flavor machines.
 * BUT!! a change from float to double here increases speed by
 * 30% or so on SGI machines.
*/
#define MY_FLOAT      double
//#define MY_FLOAT      float

/* MY_MULTI is just a pointer to MY_FLOAT.  This type is used
 * to pass multichannel data back and forth within STK.
*/
typedef MY_FLOAT *MY_MULTI;

/* INT16 is just that ... a 16-bit signed integer. */
typedef signed short INT16;

/* INT32 is just that ... a 32-bit signed integer. */
typedef int INT32;

/* Boolean values */
#define FALSE 0
#define TRUE 1

/* Debugging define, causes massive printf's to come out.
 * Also enables timing calculations in WaveOut class, other stuff.
 * Uncomment to enable.
 */
//#define _debug_ 1

/* MIDI definitions  */
#define NORM_7 (MY_FLOAT) 0.0078125 /* this is 1/128 */
		
#endif