[PD-cvs] externals/pmpd/src pmpd~.c,NONE,1.1 masse.c,1.1.1.1,1.2 masse2D.c,1.1.1.1,1.2 masse3D.c,1.1.1.1,1.2 pmpd.c,1.1.1.1,1.2

cyrille nusmuk at users.sourceforge.net
Thu Oct 28 19:45:38 CEST 2004


Update of /cvsroot/pure-data/externals/pmpd/src
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv7863

Modified Files:
	masse.c masse2D.c masse3D.c pmpd.c 
Added Files:
	pmpd~.c 
Log Message:
pmpd version 0.06
test version!



Index: masse3D.c
===================================================================
RCS file: /cvsroot/pure-data/externals/pmpd/src/masse3D.c,v
retrieving revision 1.1.1.1
retrieving revision 1.2
diff -C2 -d -r1.1.1.1 -r1.2
*** masse3D.c	9 Apr 2004 16:55:37 -0000	1.1.1.1
--- masse3D.c	28 Oct 2004 17:45:36 -0000	1.2
***************
*** 4,11 ****
  static t_class *masse3D_class;
  
- extern t_float max(t_float, t_float);
- extern t_float min(t_float, t_float);
- 
- 
  typedef struct _masse3D {
    t_object  x_obj;
--- 4,7 ----
***************
*** 21,24 ****
--- 17,45 ----
  } t_masse3D;
  
+ static int makeseed3D(void)
+ {
+     static unsigned int random_nextseed = 1489853723;
+     random_nextseed = random_nextseed * 435898247 + 938284287;
+     return (random_nextseed & 0x7fffffff);
+ }
+ 
+ static float random_bang3D(t_masse3D *x)
+ {
+     int nval;
+     int range = 2000000;
+ 	float rnd;
+ 	unsigned int randval = x->x_state;
+ 	x->x_state = randval = randval * 472940017 + 832416023;
+     nval = ((double)range) * ((double)randval)
+     	* (1./4294967296.);
+     if (nval >= range) nval = range-1;
+ 
+ 	rnd=nval;
+ 
+ 	rnd-=1000000;
+ 	rnd=rnd/1000000.;	//pour mettre entre -1 et 1;
+     return (rnd);
+ }
+ 
  void masse3D_on(t_masse3D *x)
  {
***************
*** 143,149 ****
  void masse3D_force(t_masse3D *x, t_floatarg f1, t_floatarg f2, t_floatarg f3)
  {
!   x->forceX = x->forceX+f1;
!   x->forceY = x->forceY+f2;
!   x->forceZ = x->forceZ+f3;
  }
  
--- 164,170 ----
  void masse3D_force(t_masse3D *x, t_floatarg f1, t_floatarg f2, t_floatarg f3)
  {
!   x->forceX += f1;
!   x->forceY += f2;
!   x->forceZ += f3;
  }
  
***************
*** 289,295 ****
    SETFLOAT(&(x->force[3]), sqrt( (x->forceX * x->forceX) + (x->forceY * x->forceY) + (x->forceZ * x->forceZ) ));
   
!   x->forceX=0;
!   x->forceY=0;
!   x->forceZ=0;
  
    x->dX=0;
--- 310,321 ----
    SETFLOAT(&(x->force[3]), sqrt( (x->forceX * x->forceX) + (x->forceY * x->forceY) + (x->forceZ * x->forceZ) ));
   
! //  x->forceX=0;
! //  x->forceY=0;
! //  x->forceZ=0;
! 
!   x->forceX = random_bang3D(x)*1e-25;
!   x->forceY = random_bang3D(x)*1e-25; // avoiding denormal problem by adding low amplitude noise
!   x->forceZ = random_bang3D(x)*1e-25; 
! 
  
    x->dX=0;
***************
*** 371,400 ****
  }
  
- static int makeseed3D(void)
- {
-     static unsigned int random_nextseed = 1489853723;
-     random_nextseed = random_nextseed * 435898247 + 938284287;
-     return (random_nextseed & 0x7fffffff);
- }
- 
- static float random_bang3D(t_masse3D *x)
- {
-     int nval;
-     int range = 2000000;
- 	float rnd;
- 	unsigned int randval = x->x_state;
- 	x->x_state = randval = randval * 472940017 + 832416023;
-     nval = ((double)range) * ((double)randval)
-     	* (1./4294967296.);
-     if (nval >= range) nval = range-1;
- 
- 	rnd=nval;
- 
- 	rnd-=1000000;
- 	rnd=rnd/1000000.;	//pour mettre entre -1 et 1;
-     return (rnd);
- }
- 
- 
  void masse3D_inter_ambient(t_masse3D *x, t_symbol *s, int argc, t_atom *argv)
  {
--- 397,400 ----

Index: masse.c
===================================================================
RCS file: /cvsroot/pure-data/externals/pmpd/src/masse.c,v
retrieving revision 1.1.1.1
retrieving revision 1.2
diff -C2 -d -r1.1.1.1 -r1.2
*** masse.c	9 Apr 2004 16:55:37 -0000	1.1.1.1
--- masse.c	28 Oct 2004 17:45:36 -0000	1.2
***************
*** 10,19 ****
    t_float minX, maxX;
    t_outlet *position_new, *vitesse_out, *force_out;
!   t_symbol *x_sym; // receive
! } t_masse;
  
! extern t_float max(t_float, t_float);
! extern t_float min(t_float, t_float);
  
  
  void masse_minX(t_masse *x, t_floatarg f1)
--- 10,43 ----
    t_float minX, maxX;
    t_outlet *position_new, *vitesse_out, *force_out;
!   t_symbol *x_sym; // receive
!   unsigned int x_state; // random
!   t_float x_f; // random
  
! } t_masse;
! 
! static int makeseed(void)
! {
!     static unsigned int random_nextseed = 1489853723;
!     random_nextseed = random_nextseed * 435898247 + 938284287;
!     return (random_nextseed & 0x7fffffff);
! }
! 
! static float random_bang(t_masse *x)
! {
!     int nval;
!     int range = 2000000;
! 	float rnd;
! 	unsigned int randval = x->x_state;
! 	x->x_state = randval = randval * 472940017 + 832416023;
!     nval = ((double)range) * ((double)randval)
!     	* (1./4294967296.);
!     if (nval >= range) nval = range-1;
! 
! 	rnd=nval;
  
+ 	rnd-=1000000;
+ 	rnd=rnd/1000000.;	//pour mettre entre -1 et 1;
+     return (rnd);
+ }
  
  void masse_minX(t_masse *x, t_floatarg f1)
***************
*** 53,57 ****
    x->pos_old_1 = pos_new;
  
!   x->force = 0;
    x->dX = 0;
  
--- 77,84 ----
    x->pos_old_1 = pos_new;
  
! //  x->force = 0;
! 
!   x->force = random_bang(x)*1e-25; // avoiding denormal problem by adding low amplitude noise
! 
    x->dX = 0;
  
***************
*** 71,74 ****
--- 98,102 ----
  {
    x->force=0;
+ 
  }
  
***************
*** 80,84 ****
  void masse_setX(t_masse *x, t_float posX)
  {
!   x->pos_old_2 = posX;			// clear hystory for stability (instability) problem
    x->pos_old_1 = posX;
  
--- 108,112 ----
  void masse_setX(t_masse *x, t_float posX)
  {
!   x->pos_old_2 = posX;			// clear history for stability (instability) problem
    x->pos_old_1 = posX;
  
***************
*** 125,129 ****
    x->maxX = 100000;
  
!   if (x->masse<=0) x->masse=1;
  
    return (void *)x;
--- 153,159 ----
    x->maxX = 100000;
  
!   if (x->masse<=0) x->masse=1;
! 
!   makeseed();
  
    return (void *)x;

Index: pmpd.c
===================================================================
RCS file: /cvsroot/pure-data/externals/pmpd/src/pmpd.c,v
retrieving revision 1.1.1.1
retrieving revision 1.2
diff -C2 -d -r1.1.1.1 -r1.2
*** pmpd.c	9 Apr 2004 16:55:37 -0000	1.1.1.1
--- pmpd.c	28 Oct 2004 17:45:36 -0000	1.2
***************
*** 1,5 ****
  /*
  --------------------------  pmpd  ---------------------------------------- 
!                                                                               
   pmpd = physical modeling for pure data                                     
   Written by Cyrille Henry (cyrille.henry at la-kitchen.fr)
--- 1,6 ----
  /*
  --------------------------  pmpd  ---------------------------------------- 
!      
! 	  
   pmpd = physical modeling for pure data                                     
   Written by Cyrille Henry (cyrille.henry at la-kitchen.fr)
***************
*** 28,32 ****
  
  #ifndef VERSION
! #define VERSION "0.05"
  #endif
  
--- 29,33 ----
  
  #ifndef VERSION
! #define VERSION "0.06"
  #endif
  
***************
*** 37,40 ****
--- 38,51 ----
  #endif
  
+ #define nb_max_link   2000
+ #define nb_max_mass   2000
+ #define nb_max_out    200
+ #define nb_max_in     200
+ #define nb_max_outlet 20
+ #define nb_max_inlet  20 // hard-coded on the methods definition
+ 
+ #define max(a,b) ( ((a) > (b)) ? (a) : (b) ) 
+ #define min(a,b) ( ((a) < (b)) ? (a) : (b) ) 
+ 
  #include "masse.c"
  #include "lia.c"
***************
*** 69,101 ****
  #include "tLia3D.c"
  
  static t_class *pmpd_class;
  
  typedef struct _pmpd 
  {
!   t_object  x_obj;
  } t_pmpd;
  
! t_float max(t_float x, t_float y)
  {
!     if (x >= y)
!     {
!         return x;
!     }
!     return y;
  }
  
! t_float min(t_float x, t_float y)
  {
!     if (x <= y)
!     {
!         return x;
!     }
!     return y;
  }
  
! void *pmpd_new(void)
! { 
!   t_pmpd *x = (t_pmpd *)pd_new(pmpd_class);
!   return (void *)x;
  }
  
--- 80,297 ----
  #include "tLia3D.c"
  
+ #include "pmpd~.c"
+ 
  static t_class *pmpd_class;
  
  typedef struct _pmpd 
  {
!  	t_object  x_obj;
! 	struct _link link[nb_max_link];
! 	struct _mass mass[nb_max_mass];
! 	struct _out out[nb_max_out];
! 	struct _in in[nb_max_in];
! 	t_float outlet[nb_max_outlet];
! 	t_outlet *taboutlet[nb_max_outlet];
! 	t_float inlet[nb_max_inlet];
! 	int nb_link, nb_mass, nb_outlet, nb_inlet, nb_in, nb_out;
  } t_pmpd;
  
! #define max(a,b) ( ((a) > (b)) ? (a) : (b) ) 
! #define min(a,b) ( ((a) < (b)) ? (a) : (b) ) 
! 
! void pmpd_bang(t_pmpd *x)
! ///////////////////////////////////////////////////////////////////////////////////
! // this part is doing all the job!
  {
! 	t_float F;
! 	t_int i;
! 	struct _mass mass_1, mass_2;
! 
! 	for (i=0; i<x->nb_in; i++)
! 	// compute input
! 	{
! 		x->in[i].mass1->forceX += x->in[i].influence * x->inlet[x->in[i].nbr_inlet];
! 	}
! 
! 	for (i=0; i<x->nb_inlet; i++)
! 	// clear inlet[i]
! 	{
! 		x->inlet[i]=0;
! 	}
! 
! 	for (i=0; i<x->nb_link; i++)
! 	// comput link forces
! 	{
! 		F  = x->link[i].K1 * ( x->link[i].mass1->posX   - x->link[i].mass2->posX  ) ;
! 		F += x->link[i].D1 * ( x->link[i].mass1->speedX - x->link[i].mass2->speedX) ;
! 		x->link[i].mass1->forceX -= F;
! 		x->link[i].mass2->forceX += F;
! 	}
! 
! 	for (i=1; i<x->nb_mass; i++)
! 	// compute new masses position
! 		if (x->mass[i].Id >0) // only if Id >0
! 			{
! 			x->mass[i].speedX += x->mass[i].forceX * x->mass[i].invM;
! 			x->mass[i].forceX = 0;
! 			x->mass[i].posX += x->mass[i].speedX ;
! 			}
! 
! 	for (i=0; i<x->nb_out; i++)
! 	// compute output point
! 	{ 
! 		x->outlet[x->out[i].nbr_outlet] += x->out[i].mass1->posX * x->out[i].influence ;
! 	}
! 
! //	for (i=0; i<x->nb_outlet; i++)
! 	for (i=x->nb_outlet-1; i>=0; i--)
! 	// output everything on the corresponding outlet
! 	{
! 		outlet_float(x->taboutlet[i], x->outlet[i]);
! 		x->outlet[i] = 0;
! 	}
  }
  
! void pmpd_forceX(t_pmpd *x, t_float nbr_mass, t_float force)
  {
! // add a force to a specific mass
! 	nbr_mass = max(0, min( x->nb_mass, (int)nbr_mass));
! 	x->mass[(int)nbr_mass].forceX += force;
  }
  
! void pmpd_posX(t_pmpd *x, t_float nbr_mass, t_float posX)
! {
! // displace a mass to a certain position
! 	nbr_mass = max(0, min( x->nb_mass, (int)nbr_mass));
! 	x->mass[(int)nbr_mass].posX = posX;
! }
! 
! void pmpd_mass(t_pmpd *x, t_float Id, t_float M, t_float posX)
! // add a mass
! // Id, invM speedX posX forceX
! {
! 	if (M==0) M=1;
! 	x->mass[x->nb_mass].Id = (int)Id;
! 	x->mass[x->nb_mass].invM = 1/M;
! 	x->mass[x->nb_mass].speedX = 0;
! 	x->mass[x->nb_mass].posX = posX;
! 	x->mass[x->nb_mass].forceX = 0;
! 
! 	x->nb_mass++ ;
! 	x->nb_mass = min ( nb_max_mass -1, x->nb_mass );
! }
! 
! void pmpd_link(t_pmpd *x, t_float Id, t_float mass_1, t_float mass_2, t_float K1, t_float D1)
! // add a link
! // Id, *mass1, *mass2, Ke, K1, D1, K2, D2;
! {
! 
! 	x->link[x->nb_link].Id = (int)Id;
! 	x->link[x->nb_link].mass1 = &x->mass[max(0, min ( x->nb_mass, (int)mass_1))];
! 	x->link[x->nb_link].mass2 = &x->mass[max(0, min ( x->nb_mass, (int)mass_2))];
! 	x->link[x->nb_link].K1 = K1;
! 	x->link[x->nb_link].D1 = D1;
! 
! 	x->nb_link++ ;
! 	x->nb_link = min ( nb_max_link -1, x->nb_link );
! }
! 
! void pmpd_out(t_pmpd *x, t_float Id, t_float nb_outlet, t_float mass_1, t_float influence)
! // add an output point
! // Id, nbr_outlet, *mass1, influence;
! {
! 	x->out[x->nb_out].Id = (int)Id;
! 	x->out[x->nb_out].nbr_outlet = max(0, min( x->nb_outlet,(int)nb_outlet));
! 	x->out[x->nb_out].mass1 = &x->mass[max(0, min ( x->nb_mass, (int)mass_1))];
! 	x->out[x->nb_out].influence = influence;
! 
! 	x->nb_out++ ;
! 	x->nb_out = min ( nb_max_out - 1, x->nb_out );
! }
! 
! void pmpd_in(t_pmpd *x, t_float Id, t_float nb_inlet, t_float mass_1, t_float influence)
! //add an input point
! // Id, nbr_inlet, *mass1, influence;
! {
! 	x->in[x->nb_in].Id = (int)Id;
! 	x->in[x->nb_in].nbr_inlet = max(0, min( x->nb_inlet,(int)nb_inlet));
! 	x->in[x->nb_in].mass1 = &x->mass[max(0, min ( x->nb_mass, (int)mass_1))];
! 	x->in[x->nb_in].influence = influence;
! 
! 	x->nb_in++;
! 	x->nb_in = min ( nb_max_in - 1, x->nb_in );
! }
! 
! void pmpd_forceX_1(t_pmpd *x,  t_float force)
! 	{ x->inlet[0] += force; }
! void pmpd_forceX_2(t_pmpd *x,  t_float force)
! 	{ x->inlet[1] += force; }
! void pmpd_forceX_3(t_pmpd *x,  t_float force)
! 	{ x->inlet[2] += force; }
! void pmpd_forceX_4(t_pmpd *x,  t_float force)
! 	{ x->inlet[3] += force; }
! void pmpd_forceX_5(t_pmpd *x,  t_float force)
! 	{ x->inlet[4] += force; }
! void pmpd_forceX_6(t_pmpd *x,  t_float force)
! 	{ x->inlet[5] += force; }
! void pmpd_forceX_7(t_pmpd *x,  t_float force)
! 	{ x->inlet[6] += force; }
! void pmpd_forceX_8(t_pmpd *x,  t_float force)
! 	{ x->inlet[7] += force; }
! void pmpd_forceX_9(t_pmpd *x,  t_float force)
! 	{ x->inlet[8] += force; }
! void pmpd_forceX_10(t_pmpd *x, t_float force)
! 	{ x->inlet[9] += force; }
! void pmpd_forceX_11(t_pmpd *x, t_float force)
! 	{ x->inlet[10]+= force; }
! void pmpd_forceX_12(t_pmpd *x, t_float force)
! 	{ x->inlet[11]+= force; }
! void pmpd_forceX_13(t_pmpd *x, t_float force)
! 	{ x->inlet[12]+= force; }
! void pmpd_forceX_14(t_pmpd *x, t_float force)
! 	{ x->inlet[13]+= force; }
! void pmpd_forceX_15(t_pmpd *x, t_float force)
! 	{ x->inlet[14]+= force; }
! void pmpd_forceX_16(t_pmpd *x, t_float force)
! 	{ x->inlet[15]+= force; }
! void pmpd_forceX_17(t_pmpd *x, t_float force)
! 	{ x->inlet[16]+= force; }
! void pmpd_forceX_18(t_pmpd *x, t_float force)
! 	{ x->inlet[17]+= force; }
! void pmpd_forceX_19(t_pmpd *x, t_float force)
! 	{ x->inlet[18]+= force; }
! void pmpd_forceX_20(t_pmpd *x, t_float force)
! 	{ x->inlet[19]+= force; }
! 
! void pmpd_reset(t_pmpd *x)
! {
! 	x->nb_link = 0;
! 	x->nb_mass = 1;
! 	x->nb_out= 0;
! 	x->nb_in= 0;
! }
! 
! void *pmpd_new(t_symbol *s, int argc, t_atom *argv)
! {
! 	int i;
! 	char buffer[10];
! 
! 	t_pmpd *x = (t_pmpd *)pd_new(pmpd_class);
! 
! 	pmpd_reset(x);
! 	
! 	x->nb_outlet= (int)atom_getfloatarg(1, argc, argv);
! 	x->nb_outlet= max(0, min(nb_max_outlet, x->nb_outlet) );
! 	for(i=0; i<x->nb_outlet; i++)
! 		x->taboutlet[i]=outlet_new(&x->x_obj, 0);
! 
! 	x->nb_inlet = (int)atom_getfloatarg(0, argc, argv);
! 	x->nb_inlet= max(0, min(nb_max_inlet, x->nb_inlet) );
! 	for(i=0; i<x->nb_inlet; i++)
! 	{
! 		sprintf (buffer, "forceX_%i", i+1);
! 		inlet_new(&x->x_obj, &x->x_obj.ob_pd, gensym("forceX"), gensym(buffer));
! 	}
! 	return (void *)x;
  }
  
***************
*** 104,108 ****
   pmpd_class = class_new(gensym("pmpd"),
          (t_newmethod)pmpd_new,
!         0, sizeof(t_pmpd),0,0);
  
   post("");
--- 300,334 ----
   pmpd_class = class_new(gensym("pmpd"),
          (t_newmethod)pmpd_new,
!         0, sizeof(t_pmpd),CLASS_DEFAULT, A_GIMME, 0);
! 
! 	class_addbang(pmpd_class, pmpd_bang);
! 	class_addmethod(pmpd_class, (t_method)pmpd_mass, gensym("mass"), A_DEFFLOAT, A_DEFFLOAT, A_DEFFLOAT, 0);
! 	class_addmethod(pmpd_class, (t_method)pmpd_link, gensym("link"), A_DEFFLOAT, A_DEFFLOAT, A_DEFFLOAT, A_DEFFLOAT, A_DEFFLOAT, 0);
! 	class_addmethod(pmpd_class, (t_method)pmpd_out,  gensym("out"),  A_DEFFLOAT, A_DEFFLOAT, A_DEFFLOAT, A_DEFFLOAT, 0);
! 	class_addmethod(pmpd_class, (t_method)pmpd_in,   gensym("in"),   A_DEFFLOAT, A_DEFFLOAT, A_DEFFLOAT, A_DEFFLOAT, 0);
! 	class_addmethod(pmpd_class, (t_method)pmpd_posX,       gensym("posX"),      A_DEFFLOAT, A_DEFFLOAT, 0);
! 	class_addmethod(pmpd_class, (t_method)pmpd_forceX,     gensym("forceX"),    A_DEFFLOAT, A_DEFFLOAT, 0);
! 	class_addmethod(pmpd_class, (t_method)pmpd_forceX_1,   gensym("forceX_1"),  A_DEFFLOAT, 0);
! 	class_addmethod(pmpd_class, (t_method)pmpd_forceX_2,   gensym("forceX_2"),  A_DEFFLOAT, 0);
! 	class_addmethod(pmpd_class, (t_method)pmpd_forceX_3,   gensym("forceX_3"),  A_DEFFLOAT, 0);
! 	class_addmethod(pmpd_class, (t_method)pmpd_forceX_4,   gensym("forceX_4"),  A_DEFFLOAT, 0);
! 	class_addmethod(pmpd_class, (t_method)pmpd_forceX_5,   gensym("forceX_5"),  A_DEFFLOAT, 0);
! 	class_addmethod(pmpd_class, (t_method)pmpd_forceX_6,   gensym("forceX_6"),  A_DEFFLOAT, 0);
! 	class_addmethod(pmpd_class, (t_method)pmpd_forceX_7,   gensym("forceX_7"),  A_DEFFLOAT, 0);
! 	class_addmethod(pmpd_class, (t_method)pmpd_forceX_8,   gensym("forceX_8"),  A_DEFFLOAT, 0);
! 	class_addmethod(pmpd_class, (t_method)pmpd_forceX_9,   gensym("forceX_9"),  A_DEFFLOAT, 0);
! 	class_addmethod(pmpd_class, (t_method)pmpd_forceX_10,  gensym("forceX_10"), A_DEFFLOAT, 0);
! 	class_addmethod(pmpd_class, (t_method)pmpd_forceX_11,  gensym("forceX_11"), A_DEFFLOAT, 0);
! 	class_addmethod(pmpd_class, (t_method)pmpd_forceX_12,  gensym("forceX_12"), A_DEFFLOAT, 0);
! 	class_addmethod(pmpd_class, (t_method)pmpd_forceX_13,  gensym("forceX_13"), A_DEFFLOAT, 0);
! 	class_addmethod(pmpd_class, (t_method)pmpd_forceX_14,  gensym("forceX_14"), A_DEFFLOAT, 0);
! 	class_addmethod(pmpd_class, (t_method)pmpd_forceX_15,  gensym("forceX_15"), A_DEFFLOAT, 0);
! 	class_addmethod(pmpd_class, (t_method)pmpd_forceX_16,  gensym("forceX_16"), A_DEFFLOAT, 0);
! 	class_addmethod(pmpd_class, (t_method)pmpd_forceX_17,  gensym("forceX_17"), A_DEFFLOAT, 0);
! 	class_addmethod(pmpd_class, (t_method)pmpd_forceX_18,  gensym("forceX_18"), A_DEFFLOAT, 0);
! 	class_addmethod(pmpd_class, (t_method)pmpd_forceX_19,  gensym("forceX_19"), A_DEFFLOAT, 0);
! 	class_addmethod(pmpd_class, (t_method)pmpd_forceX_20,  gensym("forceX_20"), A_DEFFLOAT, 0);
! 	class_addmethod(pmpd_class, (t_method)pmpd_reset,  gensym("reset"), 0);
! 
  
   post("");
***************
*** 144,146 ****
  tCircle3D_setup();
  
! }
--- 370,375 ----
  tCircle3D_setup();
  
! pmpd_tilde_setup();
! 
! }
! 

Index: masse2D.c
===================================================================
RCS file: /cvsroot/pure-data/externals/pmpd/src/masse2D.c,v
retrieving revision 1.1.1.1
retrieving revision 1.2
diff -C2 -d -r1.1.1.1 -r1.2
*** masse2D.c	9 Apr 2004 16:55:36 -0000	1.1.1.1
--- masse2D.c	28 Oct 2004 17:45:36 -0000	1.2
***************
*** 17,25 ****
  } t_masse2D;
  
! extern t_float max(t_float, t_float);
! extern t_float min(t_float, t_float);
! 
! 
! static int makeseed(void)
  {
      static unsigned int random_nextseed = 1489853723;
--- 17,21 ----
  } t_masse2D;
  
! static int makeseed2D(void)
  {
      static unsigned int random_nextseed = 1489853723;
***************
*** 28,32 ****
  }
  
! static float random_bang(t_masse2D *x)
  {
      int nval;
--- 24,28 ----
  }
  
! static float random_bang2D(t_masse2D *x)
  {
      int nval;
***************
*** 144,148 ****
  	x->forceY += x->damp * ((x->posY_old_2)-(x->posY_old_1)); // damping
  
- 
    if (x->masse2D != 0)
    {
--- 140,143 ----
***************
*** 183,189 ****
    SETFLOAT(&(x->force[2]), sqrt( (x->forceX * x->forceX) + (x->forceY * x->forceY) ));
   
!   x->forceX=0;
!   x->forceY=0;
!    
    x->dX=0;
    x->dY=0;
--- 178,188 ----
    SETFLOAT(&(x->force[2]), sqrt( (x->forceX * x->forceX) + (x->forceY * x->forceY) ));
   
! //  x->forceX=0;
! //  x->forceY=0;
! 
!   x->forceX = random_bang2D(x)*1e-25;
!   x->forceY = random_bang2D(x)*1e-25; // avoiding denormal problem by adding low amplitude noise
! 
! 
    x->dX=0;
    x->dY=0;
***************
*** 323,328 ****
  						x->forceY += atom_getfloatarg(1, argc, argv); // constant
  
! 						x->forceX += random_bang(x)*atom_getfloatarg(2, argc, argv);
! 						x->forceY += random_bang(x)*atom_getfloatarg(3, argc, argv); // random
  	
  						x->forceX += atom_getfloatarg(4, argc, argv) * ((x->posX_old_2)-(x->posX_old_1));
--- 322,327 ----
  						x->forceY += atom_getfloatarg(1, argc, argv); // constant
  
! 						x->forceX += random_bang2D(x)*atom_getfloatarg(2, argc, argv);
! 						x->forceY += random_bang2D(x)*atom_getfloatarg(3, argc, argv); // random
  	
  						x->forceX += atom_getfloatarg(4, argc, argv) * ((x->posX_old_2)-(x->posX_old_1));
***************
*** 689,693 ****
  
    x->x_sym = atom_getsymbolarg(0, argc, argv);
!   x->x_state = makeseed();
  
    pd_bind(&x->x_obj.ob_pd, atom_getsymbolarg(0, argc, argv));
--- 688,692 ----
  
    x->x_sym = atom_getsymbolarg(0, argc, argv);
!   x->x_state = makeseed2D();
  
    pd_bind(&x->x_obj.ob_pd, atom_getsymbolarg(0, argc, argv));

--- NEW FILE: pmpd~.c ---
//////////////////////////////////////////////////////////////////////
// this is the standard blablabla 
// made for pd
// Gnu Public Licence
// cyrille.henry at la-kitchen.fr
//
// pmpd~
// The same than pmpd, but with audio data for input and output
// It can be used for particular physical modeling and for modal sound synthesis
//////////////////////////////////////////////////////////////////////


#include "m_pd.h"
#include "stdio.h"

#define max(a,b) ( ((a) > (b)) ? (a) : (b) ) 
#define min(a,b) ( ((a) < (b)) ? (a) : (b) ) 

static t_class *pmpd_tilde_class;

typedef struct _mass {
	t_int Id;
	t_float invM;
	t_float speedX;
	t_float posX;
	t_float forceX;
} foo;

typedef struct _link {
	t_int Id;
	struct _mass *mass1;
	struct _mass *mass2;
	t_float Ke, K1, D1, K2, D2;
} foo1;

typedef struct _out {
	// TODO ajouter un type pour diferencier les outlets en forces et celles en position
	t_int Id;
	t_int nbr_outlet;
	struct _mass *mass1;
	t_float influence;
} foo2;

typedef struct _in {
	// TODO ajouter un type pour diferencier les inlets en forces et celles en position
	t_int Id;
	t_int nbr_inlet;
	struct _mass *mass1;
	t_float influence;
} foo3;

typedef struct _pmpd_tilde {
	t_object  x_obj;
	struct _link link[nb_max_link];
	struct _mass mass[nb_max_mass];
	struct _out out[nb_max_out];
	struct _in in[nb_max_in];
	t_float outlet[nb_max_outlet];
	t_sample *outlet_vector[nb_max_outlet];
	t_sample *inlet_vector[nb_max_inlet];
	int nb_link, nb_mass, nb_inlet, nb_outlet, nb_in, nb_out;
	t_sample f; // used for signal inlet
	t_int loop, nb_loop; // to be able not to compute everything a each iteration
	unsigned int x_state; // random
    t_float x_f; // random
} t_pmpd_tilde;

static int makeseed_pmpd_tilde(void)
{
    static unsigned int random_nextseed = 1489853723;
    random_nextseed = random_nextseed * 435898247 + 938284287;
    return (random_nextseed & 0x7fffffff);
}

static float random_bang_pmpd_tilde(t_pmpd_tilde *x)
{
    int nval;
    int range = 2000000;
	float rnd;
	unsigned int randval = x->x_state;
	x->x_state = randval = randval * 472940017 + 832416023;
    nval = ((double)range) * ((double)randval)
    	* (1./4294967296.);
    if (nval >= range) nval = range-1;

	rnd=nval;

	rnd-=1000000;
	rnd=rnd/1000000.;	//pour mettre entre -1 et 1;
    return (rnd);
}

t_int *pmpd_tilde_perform(t_int *w)
///////////////////////////////////////////////////////////////////////////////////
{
	t_pmpd_tilde *x = (t_pmpd_tilde *)(w[1]);
	int n = (int)(w[2]);

	t_float F;
	t_int i;
	struct _mass mass_1, mass_2;

	t_sample *out[nb_max_outlet]; 
	t_sample *in[nb_max_inlet];

	for (i=0; i<x->nb_inlet; i++)
		// TODO : ameliorer la copie du tableau a l'initialisation
		in[i]= x->inlet_vector[i];

	for (i=0; i<x->nb_outlet; i++)
		// TODO : ameliorer la copie du tableau
		out[i]= x->outlet_vector[i];

	while (n--) 
	{
		if (++x->loop == x->nb_loop)
		{
			x->loop = 0;

			for (i=0; i<x->nb_in; i++)
				if ( x->in[i].influence == 0)
				// get inlet value and make it a position to the specified mass
					x->in[i].mass1->posX = *in[x->in[i].nbr_inlet];
				else
				// get inlet value and make it a force to the specified mass
					x->in[i].mass1->forceX += x->in[i].influence * *in[x->in[i].nbr_inlet];

			for (i=0; i<x->nb_link; i++)
			// compute forces generated by links (spring / dashpot)
			{
				F  = x->link[i].K1 * ( x->link[i].mass1->posX   - x->link[i].mass2->posX  ) ;
				// spring

				F += x->link[i].D1 * ( x->link[i].mass1->speedX - x->link[i].mass2->speedX) ;
				// dashpot
			
				x->link[i].mass1->forceX -= F;
				x->link[i].mass2->forceX += F;
			}

			for (i=1; i<x->nb_mass; i++)
			// compute new masses position
				if (x->mass[i].Id >0) // only if Id >0
				{
					x->mass[i].speedX += x->mass[i].forceX * x->mass[i].invM;
					x->mass[i].forceX = random_bang_pmpd_tilde(x) * 1e-25;
					x->mass[i].posX += x->mass[i].speedX ;
				}
		}	

		for (i=0; i<x->nb_inlet; i++)
		// increase pointer to inlet vectors value
			in[i]++;

		for (i=0; i<x->nb_out; i++)
			x->outlet[x->out[i].nbr_outlet] += x->out[i].mass1->posX * x->out[i].influence;
			// compute output vector value		

		for (i=0; i<x->nb_outlet; i++)
		// send vector value to the vector pointer
		{
			*out[i]++ = x->outlet[i];
			x->outlet[i] = 0;
		}
	}
	return(w+3);
}

void pmpd_tilde_dsp(t_pmpd_tilde *x, t_signal **sp)
{
	int i;

	for (i=0; i<x->nb_inlet; i++)
		x->inlet_vector[i] = sp[i]->s_vec;

	for (i=0; i<x->nb_outlet; i++)
		x->outlet_vector[i] = sp[i+x->nb_inlet]->s_vec;

	dsp_add(pmpd_tilde_perform, 2, x, sp[0]->s_n);
//	post("%p, %p, %p", sp, sp2[2], sp[2]->s_vec);
}

void pmpd_tilde_bang(t_pmpd_tilde *x)
{
// add a unity force to all masses
	int i;
	for (i=0;i < x->nb_mass; i++)
		x->mass[i].forceX += 1;
}

void pmpd_tilde_float(t_pmpd_tilde *x, t_float force)
{
// add a unity force to all masses
	int i;
	for (i=0;i < x->nb_mass; i++)
		x->mass[i].forceX += force;
}

void pmpd_tilde_forceX(t_pmpd_tilde *x, t_float nbr_mass, t_float force)
{
// add a force to a specific mass
	nbr_mass = max(0, min( x->nb_mass, (int)nbr_mass));
	x->mass[(int)nbr_mass].forceX += force;
}

void pmpd_tilde_posX(t_pmpd_tilde *x, t_float nbr_mass, t_float posX)
{
// displace a mass to a certain position
	nbr_mass = max(0, min( x->nb_mass, (int)nbr_mass));
	x->mass[(int)nbr_mass].posX = posX;
}


void pmpd_tilde_mass(t_pmpd_tilde *x, t_float Id, t_float M, t_float posX)
// add a mass
// Id, invM speedX posX forceX
{
	if (M==0) M=1;
	x->mass[x->nb_mass].Id = (int)Id;
	x->mass[x->nb_mass].invM = 1/M;
	x->mass[x->nb_mass].speedX = 0;
	x->mass[x->nb_mass].posX = posX;
	x->mass[x->nb_mass].forceX = 0;

	x->nb_mass++ ;
	x->nb_mass = min ( nb_max_mass -1, x->nb_mass );
}

void pmpd_tilde_link(t_pmpd_tilde *x, t_float Id, t_float mass_1, t_float mass_2, t_float K1, t_float D1)
// add a link
// Id, *mass1, *mass2, Ke, K1, D1, K2, D2;
{

	x->link[x->nb_link].Id = (int)Id;
	x->link[x->nb_link].mass1 = &x->mass[max(0, min ( x->nb_mass, (int)mass_1))];
	x->link[x->nb_link].mass2 = &x->mass[max(0, min ( x->nb_mass, (int)mass_2))];
	x->link[x->nb_link].K1 = K1;
	x->link[x->nb_link].D1 = D1;

	x->nb_link++ ;
	x->nb_link = min ( nb_max_link -1, x->nb_link );
}


void pmpd_tilde_out(t_pmpd_tilde *x, t_float Id, t_float nb_outlet, t_float mass_1, t_float influence)
// add an output point
// Id, nbr_outlet, *mass1, influence;
{
	x->out[x->nb_out].Id = (int)Id;
	x->out[x->nb_out].nbr_outlet = max(0, min( x->nb_outlet,(int)nb_outlet));
	x->out[x->nb_out].mass1 = &x->mass[max(0, min ( x->nb_mass, (int)mass_1))];
	x->out[x->nb_out].influence = influence;

	x->nb_out++ ;
	x->nb_out = min ( nb_max_out - 1, x->nb_out );
}

void pmpd_tilde_in(t_pmpd_tilde *x, t_float Id, t_float nb_inlet, t_float mass_1, t_float influence)
//add an input point
// Id, nbr_inlet, *mass1, influence;
{
	x->in[x->nb_in].Id = (int)Id;
	x->in[x->nb_in].nbr_inlet = max(0, min( x->nb_inlet,(int)nb_inlet));
	x->in[x->nb_in].mass1 = &x->mass[max(0, min ( x->nb_mass, (int)mass_1))];
	x->in[x->nb_in].influence = influence;

	x->nb_in++;
	x->nb_in = min ( nb_max_in - 1, x->nb_in );
}

void pmpd_tilde_reset(t_pmpd_tilde *x)
{
	x->nb_link = 0;
	x->nb_mass = 1;
	x->nb_out= 0;
	x->nb_in= 0;
	x->mass[x->nb_mass].posX = 1;
// ajouter le reset des paramettress de la masse
}

void *pmpd_tilde_new(t_symbol *s, int argc, t_atom *argv)
{
	int i;

	t_pmpd_tilde *x = (t_pmpd_tilde *)pd_new(pmpd_tilde_class);

	pmpd_tilde_reset(x);
	makeseed_pmpd_tilde();
	
	x->nb_outlet= (int)atom_getfloatarg(1, argc, argv);
	x->nb_outlet= max(1, min(nb_max_outlet, x->nb_outlet) );
	for(i=0; i<x->nb_outlet; i++)
		outlet_new(&x->x_obj, &s_signal);

	x->nb_inlet = (int)atom_getfloatarg(0, argc, argv);
	x->nb_inlet= max(1, min(nb_max_inlet, x->nb_inlet) );
	for(i=0; i<x->nb_inlet-1; i++)
		inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_signal, &s_signal);

	x->nb_loop = max (1, (int)atom_getfloatarg(2, argc, argv) );
	x->loop = 0 ;

	
	return (void *)x;
}

void pmpd_tilde_setup(void) {
	pmpd_tilde_class = class_new(gensym("pmpd~"), (t_newmethod)pmpd_tilde_new, 0, sizeof(t_pmpd_tilde), CLASS_DEFAULT, A_GIMME, 0);

	CLASS_MAINSIGNALIN(pmpd_tilde_class, t_pmpd_tilde, f);

	class_addbang(pmpd_tilde_class, pmpd_tilde_bang);
	class_addfloat(pmpd_tilde_class, (t_method)pmpd_tilde_float);
	class_addmethod(pmpd_tilde_class, (t_method)pmpd_tilde_mass,		gensym("mass"),		A_DEFFLOAT, A_DEFFLOAT, A_DEFFLOAT, 0);
	class_addmethod(pmpd_tilde_class, (t_method)pmpd_tilde_link,		gensym("link"),		A_DEFFLOAT, A_DEFFLOAT, A_DEFFLOAT, A_DEFFLOAT, A_DEFFLOAT, 0);
	class_addmethod(pmpd_tilde_class, (t_method)pmpd_tilde_out,			gensym("out"),		A_DEFFLOAT, A_DEFFLOAT, A_DEFFLOAT, A_DEFFLOAT, 0);
	class_addmethod(pmpd_tilde_class, (t_method)pmpd_tilde_in,			gensym("in"),		A_DEFFLOAT, A_DEFFLOAT, A_DEFFLOAT, A_DEFFLOAT, 0);
	class_addmethod(pmpd_tilde_class, (t_method)pmpd_tilde_posX,		gensym("posX"),      A_DEFFLOAT, A_DEFFLOAT, 0);
	class_addmethod(pmpd_tilde_class, (t_method)pmpd_tilde_forceX,		gensym("forceX"),    A_DEFFLOAT, A_DEFFLOAT, 0);

	class_addmethod(pmpd_tilde_class, (t_method)pmpd_tilde_reset,		gensym("reset"), 0);
	class_addmethod(pmpd_tilde_class, (t_method)pmpd_tilde_dsp,			gensym("dsp"), 0);
}





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