//------------------------------------------------------------------------------
// Pd Spectral Toolkit
//
// tabindex~.c
//
// Writes to an array at signal rate
//
// Created by Cooper Baker on 6/19/12.
// Updated for 64 Bit Support in September 2019.
// Copyright (C) 2019 Cooper Baker. All Rights Reserved.
//------------------------------------------------------------------------------
//------------------------------------------------------------------------------
// headers
//------------------------------------------------------------------------------
// main header for pd
#include "m_pd.h"
// utility header for Pd Spectral Toolkit project
#include "utility.h"
// disable compiler warnings on windows
#ifdef NT
#pragma warning( disable : 4244 )
#pragma warning( disable : 4305 )
#endif
//------------------------------------------------------------------------------
// tabindex_class - pointer to this object's definition
//------------------------------------------------------------------------------
static t_class* tabindex_class;
//------------------------------------------------------------------------------
// tabindex - data structure holding this object's data
//------------------------------------------------------------------------------
typedef struct tabindex
{
// this object - must always be first variable in struct
t_object object;
// needed for CLASS_MAINSIGNALIN macro call in in_tilde_setup
t_float inlet_1;
// needed for signalinlet_new call in tabindex_new
t_float inlet_2;
// the array associated with this object
t_garray* array;
// name of the array associated with this object
t_symbol* array_name;
// pointer to the array data associated with this object
t_word* array_data;
// number of data elements contained in the array
int array_size;
// flag to store state of buffer clearing option
t_int clear_flag;
} t_tabindex;
//------------------------------------------------------------------------------
// function prototypes
//------------------------------------------------------------------------------
static t_int* tabindex_perform ( t_int* io );
static void tabindex_dsp ( t_tabindex* object, t_signal **sig );
static void tabindex_set_array ( t_tabindex* object );
static void tabindex_bang ( t_tabindex* object );
static void tabindex_set ( t_tabindex* object, t_symbol* symbol );
static void tabindex_clear ( t_tabindex* object, t_floatarg clear_state );
static void* tabindex_new ( t_symbol* selector, t_int itmes, t_atom* list );
void tabindex_tilde_setup ( void );
//------------------------------------------------------------------------------
// tabindex_perform - the signal processing function of this object
//------------------------------------------------------------------------------
static t_int* tabindex_perform( t_int* io )
{
// store variables from dsp input/output array
t_float* in1 = ( t_float* )( io[ 1 ] );
t_float* in2 = ( t_float* )( io[ 2 ] );
t_int frames = ( t_int )( io[ 3 ] );
t_tabindex* object = ( t_tabindex* )( io[ 4 ] );
// make local copies of array variables
t_word* array_data = object->array_data;
t_float array_size = object->array_size;
// make sure array is valid
if( ( array_data != NULL ) && array_size )
{
// see if memory should be cleared before writing
if( object->clear_flag )
{
// clear array memory
memset( array_data, 0, array_size * sizeof( t_word ) );
}
// temporary array index variable
t_int index;
// signal vector iterator variable
t_int n = -1;
// the dsp loop
while( ++n < frames )
{
// constrain index to bounds of array
index = Clip( in2[ n ], 0, array_size );
// write data into array
array_data[ index ].w_float = in1[ n ];
}
}
// return the dsp input/output array address plus one more than its size
// to provide a pointer to the next perform function in pd's call list
return &( io[ 5 ] );
}
//------------------------------------------------------------------------------
// tabindex_dsp - installs this object's dsp function in pd's callback list
//------------------------------------------------------------------------------
static void tabindex_dsp( t_tabindex* object, t_signal **sig )
{
// set the array associated with this object
tabindex_set_array( object );
// dsp_add arguments
//--------------------------------------------------------------------------
// perform routine
// number of passed parameters
// inlet 1 sample vector
// inlet 2 sample vector
// sample frames to process (vector size)
// pointer to this object's data structure
dsp_add( tabindex_perform, 4, sig[ 0 ]->s_vec, sig[ 1 ]->s_vec, sig[ 0 ]->s_n, object );
}
//------------------------------------------------------------------------------
// tabindex_set_array - associates an array with this object
//------------------------------------------------------------------------------
static void tabindex_set_array( t_tabindex* object )
{
// array error checking flag
t_int valid_array;
// reset for checking in dsp loop
object->array = NULL;
// check to make sure this object has an array name to work with
//--------------------------------------------------------------------------
if( object->array_name == NULL )
{
pd_error( object, "tabindex~: no array name set" );
return;
}
// check to make sure the array exists
//--------------------------------------------------------------------------
object->array = ( t_garray* )pd_findbyclass( object->array_name, garray_class );
if( object->array == NULL )
{
pd_error( object, "tabindex~: %s: no such array", object->array_name->s_name );
return;
}
// check to make sure the array is valid
//--------------------------------------------------------------------------
valid_array = garray_getfloatwords( object->array, &( object->array_size ), &( object->array_data ) );
if( valid_array == 0 )
{
pd_error( object, "tabindex~: %s: bad template for tabindex~", object->array_name->s_name );
return;
}
garray_usedindsp( object->array );
}
//------------------------------------------------------------------------------
// tabindex_bang - responds to bangs by redrawing the array
//------------------------------------------------------------------------------
static void tabindex_bang( t_tabindex* object )
{
// make sure array exists
if( object->array )
{
garray_redraw( object->array );
}
}
//------------------------------------------------------------------------------
// tabindex_set - sets array associated with this object
//------------------------------------------------------------------------------
static void tabindex_set( t_tabindex* object, t_symbol* symbol )
{
object->array_name = symbol;
tabindex_set_array( object );
}
//------------------------------------------------------------------------------
// tabindex_clear - sets state of array clearing behavior
//------------------------------------------------------------------------------
static void tabindex_clear( t_tabindex* object, t_floatarg clear_state )
{
t_int clear_flag = Clip( clear_state, 0, 1 );
object->clear_flag = clear_flag;
}
//------------------------------------------------------------------------------
// tabindex_new - instantiates a copy of this object in pd
//------------------------------------------------------------------------------
static void* tabindex_new( t_symbol* selector, t_int items, t_atom* list )
{
// create a pointer to this object
t_tabindex* object = ( t_tabindex* )pd_new( tabindex_class );
// create an additional signal inlet
signalinlet_new( &object->object, object->inlet_2 );
// initialize variables
object->inlet_1 = 0;
object->inlet_2 = 0;
object->array = NULL;
object->array_data = NULL;
object->array_name = NULL;
object->array_size = 0;
object->clear_flag = 0;
const char* clear_arg;
// parse initialization arguments
//--------------------------------------------------------------------------
if( items > 0 )
{
if( list[ 0 ].a_type == A_SYMBOL )
{
object->array_name = list[ 0 ].a_w.w_symbol;
tabindex_set_array( object );
}
else
{
pd_error( object, "tabindex~: argument 1: invalid type" );
}
}
if( items > 1 )
{
if( list[ 1 ].a_type == A_SYMBOL )
{
clear_arg = list[ 1 ].a_w.w_symbol->s_name;
if( StringMatch( clear_arg, "clear" ) )
{
object->clear_flag = 1;
}
else
{
pd_error( object, "tabindex~: argument 2: unknown argument" );
}
}
else
{
pd_error( object, "tabindex~: argument 2: invalid type" );
}
}
if( items > 2 )
{
pd_error( object, "tabindex~: extra arguments ignored" );
}
return object;
}
//------------------------------------------------------------------------------
// tabindex_tilde_setup - describes the attributes of this object to pd so it may be properly instantiated
// (must always be named with _tilde replacing ~ in the object name)
//------------------------------------------------------------------------------
void tabindex_tilde_setup( void )
{
// tabindex class
//--------------------------------------------------------------------------
// creates an instance of this object and describes it to pd
tabindex_class = class_new( gensym( "tabindex~" ), ( t_newmethod )tabindex_new, 0, sizeof( t_tabindex ), 0, A_GIMME, 0 );
// declares leftmost inlet as a signal inlet
CLASS_MAINSIGNALIN( tabindex_class, t_tabindex, inlet_1 );
// installs tabindex_dsp so that it will be called when dsp is turned on
class_addmethod( tabindex_class, ( t_method )tabindex_dsp, gensym( "dsp" ), 0 );
// installs tabindex_set to respond to "set ___" messages
class_addmethod( tabindex_class, ( t_method )tabindex_set, gensym( "set" ), A_SYMBOL, 0 );
// installs tabindex_clear to respond to "clear #" messages
class_addmethod( tabindex_class, ( t_method )tabindex_clear, gensym( "clear" ), A_FLOAT, 0 );
// add bang handler
class_addbang( tabindex_class, tabindex_bang );
}
//------------------------------------------------------------------------------
// EOF
//------------------------------------------------------------------------------
// Pd Spectral Toolkit
//
// tabindex~.c
//
// Writes to an array at signal rate
//
// Created by Cooper Baker on 6/19/12.
// Updated for 64 Bit Support in September 2019.
// Copyright (C) 2019 Cooper Baker. All Rights Reserved.
//------------------------------------------------------------------------------
//------------------------------------------------------------------------------
// headers
//------------------------------------------------------------------------------
// main header for pd
#include "m_pd.h"
// utility header for Pd Spectral Toolkit project
#include "utility.h"
// disable compiler warnings on windows
#ifdef NT
#pragma warning( disable : 4244 )
#pragma warning( disable : 4305 )
#endif
//------------------------------------------------------------------------------
// tabindex_class - pointer to this object's definition
//------------------------------------------------------------------------------
static t_class* tabindex_class;
//------------------------------------------------------------------------------
// tabindex - data structure holding this object's data
//------------------------------------------------------------------------------
typedef struct tabindex
{
// this object - must always be first variable in struct
t_object object;
// needed for CLASS_MAINSIGNALIN macro call in in_tilde_setup
t_float inlet_1;
// needed for signalinlet_new call in tabindex_new
t_float inlet_2;
// the array associated with this object
t_garray* array;
// name of the array associated with this object
t_symbol* array_name;
// pointer to the array data associated with this object
t_word* array_data;
// number of data elements contained in the array
int array_size;
// flag to store state of buffer clearing option
t_int clear_flag;
} t_tabindex;
//------------------------------------------------------------------------------
// function prototypes
//------------------------------------------------------------------------------
static t_int* tabindex_perform ( t_int* io );
static void tabindex_dsp ( t_tabindex* object, t_signal **sig );
static void tabindex_set_array ( t_tabindex* object );
static void tabindex_bang ( t_tabindex* object );
static void tabindex_set ( t_tabindex* object, t_symbol* symbol );
static void tabindex_clear ( t_tabindex* object, t_floatarg clear_state );
static void* tabindex_new ( t_symbol* selector, t_int itmes, t_atom* list );
void tabindex_tilde_setup ( void );
//------------------------------------------------------------------------------
// tabindex_perform - the signal processing function of this object
//------------------------------------------------------------------------------
static t_int* tabindex_perform( t_int* io )
{
// store variables from dsp input/output array
t_float* in1 = ( t_float* )( io[ 1 ] );
t_float* in2 = ( t_float* )( io[ 2 ] );
t_int frames = ( t_int )( io[ 3 ] );
t_tabindex* object = ( t_tabindex* )( io[ 4 ] );
// make local copies of array variables
t_word* array_data = object->array_data;
t_float array_size = object->array_size;
// make sure array is valid
if( ( array_data != NULL ) && array_size )
{
// see if memory should be cleared before writing
if( object->clear_flag )
{
// clear array memory
memset( array_data, 0, array_size * sizeof( t_word ) );
}
// temporary array index variable
t_int index;
// signal vector iterator variable
t_int n = -1;
// the dsp loop
while( ++n < frames )
{
// constrain index to bounds of array
index = Clip( in2[ n ], 0, array_size );
// write data into array
array_data[ index ].w_float = in1[ n ];
}
}
// return the dsp input/output array address plus one more than its size
// to provide a pointer to the next perform function in pd's call list
return &( io[ 5 ] );
}
//------------------------------------------------------------------------------
// tabindex_dsp - installs this object's dsp function in pd's callback list
//------------------------------------------------------------------------------
static void tabindex_dsp( t_tabindex* object, t_signal **sig )
{
// set the array associated with this object
tabindex_set_array( object );
// dsp_add arguments
//--------------------------------------------------------------------------
// perform routine
// number of passed parameters
// inlet 1 sample vector
// inlet 2 sample vector
// sample frames to process (vector size)
// pointer to this object's data structure
dsp_add( tabindex_perform, 4, sig[ 0 ]->s_vec, sig[ 1 ]->s_vec, sig[ 0 ]->s_n, object );
}
//------------------------------------------------------------------------------
// tabindex_set_array - associates an array with this object
//------------------------------------------------------------------------------
static void tabindex_set_array( t_tabindex* object )
{
// array error checking flag
t_int valid_array;
// reset for checking in dsp loop
object->array = NULL;
// check to make sure this object has an array name to work with
//--------------------------------------------------------------------------
if( object->array_name == NULL )
{
pd_error( object, "tabindex~: no array name set" );
return;
}
// check to make sure the array exists
//--------------------------------------------------------------------------
object->array = ( t_garray* )pd_findbyclass( object->array_name, garray_class );
if( object->array == NULL )
{
pd_error( object, "tabindex~: %s: no such array", object->array_name->s_name );
return;
}
// check to make sure the array is valid
//--------------------------------------------------------------------------
valid_array = garray_getfloatwords( object->array, &( object->array_size ), &( object->array_data ) );
if( valid_array == 0 )
{
pd_error( object, "tabindex~: %s: bad template for tabindex~", object->array_name->s_name );
return;
}
garray_usedindsp( object->array );
}
//------------------------------------------------------------------------------
// tabindex_bang - responds to bangs by redrawing the array
//------------------------------------------------------------------------------
static void tabindex_bang( t_tabindex* object )
{
// make sure array exists
if( object->array )
{
garray_redraw( object->array );
}
}
//------------------------------------------------------------------------------
// tabindex_set - sets array associated with this object
//------------------------------------------------------------------------------
static void tabindex_set( t_tabindex* object, t_symbol* symbol )
{
object->array_name = symbol;
tabindex_set_array( object );
}
//------------------------------------------------------------------------------
// tabindex_clear - sets state of array clearing behavior
//------------------------------------------------------------------------------
static void tabindex_clear( t_tabindex* object, t_floatarg clear_state )
{
t_int clear_flag = Clip( clear_state, 0, 1 );
object->clear_flag = clear_flag;
}
//------------------------------------------------------------------------------
// tabindex_new - instantiates a copy of this object in pd
//------------------------------------------------------------------------------
static void* tabindex_new( t_symbol* selector, t_int items, t_atom* list )
{
// create a pointer to this object
t_tabindex* object = ( t_tabindex* )pd_new( tabindex_class );
// create an additional signal inlet
signalinlet_new( &object->object, object->inlet_2 );
// initialize variables
object->inlet_1 = 0;
object->inlet_2 = 0;
object->array = NULL;
object->array_data = NULL;
object->array_name = NULL;
object->array_size = 0;
object->clear_flag = 0;
const char* clear_arg;
// parse initialization arguments
//--------------------------------------------------------------------------
if( items > 0 )
{
if( list[ 0 ].a_type == A_SYMBOL )
{
object->array_name = list[ 0 ].a_w.w_symbol;
tabindex_set_array( object );
}
else
{
pd_error( object, "tabindex~: argument 1: invalid type" );
}
}
if( items > 1 )
{
if( list[ 1 ].a_type == A_SYMBOL )
{
clear_arg = list[ 1 ].a_w.w_symbol->s_name;
if( StringMatch( clear_arg, "clear" ) )
{
object->clear_flag = 1;
}
else
{
pd_error( object, "tabindex~: argument 2: unknown argument" );
}
}
else
{
pd_error( object, "tabindex~: argument 2: invalid type" );
}
}
if( items > 2 )
{
pd_error( object, "tabindex~: extra arguments ignored" );
}
return object;
}
//------------------------------------------------------------------------------
// tabindex_tilde_setup - describes the attributes of this object to pd so it may be properly instantiated
// (must always be named with _tilde replacing ~ in the object name)
//------------------------------------------------------------------------------
void tabindex_tilde_setup( void )
{
// tabindex class
//--------------------------------------------------------------------------
// creates an instance of this object and describes it to pd
tabindex_class = class_new( gensym( "tabindex~" ), ( t_newmethod )tabindex_new, 0, sizeof( t_tabindex ), 0, A_GIMME, 0 );
// declares leftmost inlet as a signal inlet
CLASS_MAINSIGNALIN( tabindex_class, t_tabindex, inlet_1 );
// installs tabindex_dsp so that it will be called when dsp is turned on
class_addmethod( tabindex_class, ( t_method )tabindex_dsp, gensym( "dsp" ), 0 );
// installs tabindex_set to respond to "set ___" messages
class_addmethod( tabindex_class, ( t_method )tabindex_set, gensym( "set" ), A_SYMBOL, 0 );
// installs tabindex_clear to respond to "clear #" messages
class_addmethod( tabindex_class, ( t_method )tabindex_clear, gensym( "clear" ), A_FLOAT, 0 );
// add bang handler
class_addbang( tabindex_class, tabindex_bang );
}
//------------------------------------------------------------------------------
// EOF
//------------------------------------------------------------------------------