void pmpd_setK(t_pmpd *x, t_symbol *s, int argc, t_atom *argv)
{
    int tmp, i;

    if ( ( argv[0].a_type == A_FLOAT ) && ( argv[1].a_type == A_FLOAT ) )
    {
        tmp = atom_getfloatarg(0, argc, argv);
        tmp = max(0, min( x->nb_link-1, tmp));
        x->link[tmp].K = atom_getfloatarg(1, argc, argv);
    }
    if ( ( argv[0].a_type == A_SYMBOL ) && ( argv[1].a_type == A_FLOAT ) )
    {
        for (i=0; i< x->nb_link; i++)
        {
            if ( atom_getsymbolarg(0,argc,argv) == x->link[i].Id)
            {
                x->link[i].K = atom_getfloatarg(1, argc, argv);
            }
        }
    }
}

void pmpd_setD(t_pmpd *x, t_symbol *s, int argc, t_atom *argv)
{
    int tmp, i;

    if ( ( argv[0].a_type == A_FLOAT ) && ( argv[1].a_type == A_FLOAT ) )
    {
        tmp = atom_getfloatarg(0, argc, argv);
        tmp = max(0, min( x->nb_link-1, tmp));
        x->link[tmp].D = atom_getfloatarg(1, argc, argv);
    }
    if ( ( argv[0].a_type == A_SYMBOL ) && ( argv[1].a_type == A_FLOAT ) )
    {
        for (i=0; i< x->nb_link; i++)
        {
            if ( atom_getsymbolarg(0,argc,argv) == x->link[i].Id)
            {
                x->link[i].D = atom_getfloatarg(1, argc, argv);
            }
        }
    }
}

void pmpd_setL(t_pmpd *x, t_symbol *s, int argc, t_atom *argv)
{
    int tmp, i;

    if ( ( argv[0].a_type == A_FLOAT ) && ( argv[1].a_type == A_FLOAT ) )
    {
        tmp = atom_getfloatarg(0, argc, argv);
        tmp = max(0, min( x->nb_link-1, tmp));
        x->link[tmp].L = atom_getfloatarg(1, argc, argv);
    }
    if ( ( argv[0].a_type == A_SYMBOL ) && ( argv[1].a_type == A_FLOAT ) )
    {
        for (i=0; i< x->nb_link; i++)
        {
            if ( atom_getsymbolarg(0,argc,argv) == x->link[i].Id)
            {
                x->link[i].L = atom_getfloatarg(1, argc, argv);
            }
        }
    }
    if ( ( argv[0].a_type == A_FLOAT ) && ( argc == 1 ) )
    {
        tmp = atom_getfloatarg(0, argc, argv);
        tmp = max(0, min( x->nb_link-1, tmp));
        x->link[tmp].L = x->link[tmp].mass2->posX - x->link[tmp].mass1->posX;
    }
    if ( ( argv[0].a_type == A_SYMBOL ) && ( argc == 1 ) )
    {
        for (i=0; i< x->nb_link; i++)
        {
            if ( atom_getsymbolarg(0,argc,argv) == x->link[i].Id)
            {
                x->link[i].L = x->link[i].mass2->posX - x->link[i].mass1->posX;
            }
        }
    }
}

void pmpd_setLKTab(t_pmpd *x, t_symbol *s, int argc, t_atom *argv)
{
    int tmp, i;
    t_float K_l = atom_getfloatarg(1, argc, argv);
    if (K_l <=  0) K_l = 1;
    if ( ( argv[0].a_type == A_FLOAT ) && ( argv[1].a_type == A_FLOAT ) )
    {
        tmp = atom_getfloatarg(0, argc, argv);
        tmp = max(0, min( x->nb_link-1, tmp));
        x->link[tmp].K_L = K_l;
    }
    if ( ( argv[0].a_type == A_SYMBOL ) && ( argv[1].a_type == A_FLOAT ) )
    {
        for (i=0; i< x->nb_link; i++)
        {
            if ( atom_getsymbolarg(0,argc,argv) == x->link[i].Id)
            {
                x->link[i].K_L = K_l;
            }
        }
    }
}

void pmpd_setLDTab(t_pmpd *x, t_symbol *s, int argc, t_atom *argv)
{
    int tmp, i;
    t_float D_l = atom_getfloatarg(1, argc, argv);
    if (D_l <=  0) D_l = 1;
    if ( ( argv[0].a_type == A_FLOAT ) && ( argv[1].a_type == A_FLOAT ) )
    {
        tmp = atom_getfloatarg(0, argc, argv);
        tmp = max(0, min( x->nb_link-1, tmp));
        x->link[tmp].D_L = D_l;
    }
    if ( ( argv[0].a_type == A_SYMBOL ) && ( argv[1].a_type == A_FLOAT ) )
    {
        for (i=0; i< x->nb_link; i++)
        {
            if ( atom_getsymbolarg(0,argc,argv) == x->link[i].Id)
            {
                x->link[i].D_L = D_l;
            }
        }
    }
}

void pmpd_setLinkId(t_pmpd *x, t_symbol *s, int argc, t_atom *argv)
{
    int tmp, i;

    if ( ( argv[0].a_type == A_FLOAT ) && ( argv[1].a_type == A_SYMBOL ) )
    {
        tmp = atom_getfloatarg(0, argc, argv);
        tmp = max(0, min( x->nb_link-1, tmp));
        x->link[tmp].Id = atom_getsymbolarg(1, argc, argv);
    }
    if ( ( argv[0].a_type == A_SYMBOL ) && ( argv[1].a_type == A_SYMBOL ) )
    {
        for (i=0; i< x->nb_link; i++)
        {
            if ( atom_getsymbolarg(0,argc,argv) == x->link[i].Id)
            {
                x->link[i].Id = atom_getsymbolarg(1, argc, argv);
            }
        }
    }
}

void pmpd_setMassId(t_pmpd *x, t_symbol *s, int argc, t_atom *argv)
{
    int tmp, i;

    if ( ( argv[0].a_type == A_FLOAT ) && ( argv[1].a_type == A_SYMBOL ) )
    {
        tmp = atom_getfloatarg(0, argc, argv);
        tmp = max(0, min( x->nb_mass-1, tmp));
        x->mass[tmp].Id = atom_getsymbolarg(1, argc, argv);
    }
    if ( ( argv[0].a_type == A_SYMBOL ) && ( argv[1].a_type == A_SYMBOL ) )
    {
        for (i=0; i< x->nb_mass; i++)
        {
            if ( atom_getsymbolarg(0,argc,argv) == x->mass[i].Id)
            {
                x->mass[i].Id = atom_getsymbolarg(1, argc, argv);
            }
        }
    }
}
void pmpd_setFixed(t_pmpd *x, t_symbol *s, int argc, t_atom *argv)
{
    int tmp, i;

    if ( argv[0].a_type == A_FLOAT ) 
    {
        tmp = atom_getfloatarg(0, argc, argv);
        tmp = max(0, min( x->nb_mass-1, tmp));
        x->mass[tmp].mobile = 0;
    }
    if ( argv[0].a_type == A_SYMBOL )
    {
        for (i=0; i< x->nb_mass; i++)
        {
            if ( atom_getsymbolarg(0,argc,argv) == x->mass[i].Id)
            {
                x->mass[i].mobile = 0;
            }
        }
    }
}

void pmpd_setMobile(t_pmpd *x, t_symbol *s, int argc, t_atom *argv)
{
    int tmp, i;

    if ( argv[0].a_type == A_FLOAT )
    {
        tmp = atom_getfloatarg(0, argc, argv);
        tmp = max(0, min( x->nb_mass-1, tmp));
        x->mass[tmp].mobile = 1;
    }
    if ( argv[0].a_type == A_SYMBOL ) 
    {
        for (i=0; i< x->nb_mass; i++)
        {
            if ( atom_getsymbolarg(0,argc,argv) == x->mass[i].Id)
            {
                x->mass[i].mobile = 1;
            }
        }
    }
}

void pmpd_posX(t_pmpd *x, t_symbol *s, int argc, t_atom *argv)
{
// displace a mass to a certain position
    int tmp, i;

    if ( ( argv[0].a_type == A_FLOAT ) && ( argv[1].a_type == A_FLOAT ) )
    {
        tmp = atom_getfloatarg(0, argc, argv);
        tmp = max(0, min( x->nb_mass-1, tmp));
        x->mass[tmp].posX = atom_getfloatarg(1, argc, argv);
           x->mass[tmp].speedX = 0; // ??? TODO : esce la bonne chose a faire?
        x->mass[tmp].forceX = 0; // ??? TODO : esce la bonne chose a faire?
        
    }
    if ( ( argv[0].a_type == A_SYMBOL ) && ( argv[1].a_type == A_FLOAT ) )
    {
        for (i=0; i< x->nb_mass; i++)
        {
            if ( atom_getsymbolarg(0,argc,argv) == x->mass[i].Id)
            {
                x->mass[i].posX = atom_getfloatarg(1, argc, argv);
                x->mass[i].speedX = 0; // ??? TODO : esce la bonne chose a faire?
                x->mass[i].forceX = 0; // ??? TODO : esce la bonne chose a faire?

            }
        }
    }
}

void pmpd_setD2(t_pmpd *x, t_symbol *s, int argc, t_atom *argv)
{
    int tmp, i;

    if ( ( argv[0].a_type == A_FLOAT ) && ( argv[1].a_type == A_FLOAT ) )
    {
        tmp = atom_getfloatarg(0, argc, argv);
        tmp = max(0, min( x->nb_mass-1, tmp));
        x->mass[tmp].D2 = atom_getfloatarg(1, argc, argv);
    }
    if ( ( argv[0].a_type == A_SYMBOL ) && ( argv[1].a_type == A_FLOAT ) )
    {
        for (i=0; i< x->nb_mass; i++)
        {
            if ( atom_getsymbolarg(0,argc,argv) == x->mass[i].Id)
            {
                x->mass[i].D2 = atom_getfloatarg(1, argc, argv);
            }
        }
    }
    if ( ( argv[0].a_type == A_FLOAT ) && ( argc == 1 ) )
    {
        for (i=0; i< x->nb_mass; i++)
        {
            x->mass[i].D2 = atom_getfloatarg(0, argc, argv);
        }
    }
}

void pmpd_setSpeedX(t_pmpd *x, t_symbol *s, int argc, t_atom *argv)
{
    int tmp, i;

    if ( ( argv[0].a_type == A_FLOAT ) && ( argv[1].a_type == A_FLOAT ) )
    {
        tmp = atom_getfloatarg(0, argc, argv);
        tmp = max(0, min( x->nb_mass-1, tmp));
        x->mass[tmp].speedX = atom_getfloatarg(1, argc, argv);
    }
    if ( ( argv[0].a_type == A_SYMBOL ) && ( argv[1].a_type == A_FLOAT ) )
    {
        for (i=0; i< x->nb_mass; i++)
        {
            if ( atom_getsymbolarg(0,argc,argv) == x->mass[i].Id)
            {
                x->mass[i].speedX = atom_getfloatarg(1, argc, argv);
            }
        }
    }
}
void pmpd_setForceX(t_pmpd *x, t_symbol *s, int argc, t_atom *argv)
{
    int tmp, i;

    if ( ( argv[0].a_type == A_FLOAT ) && ( argv[1].a_type == A_FLOAT ) )
    {
        tmp = atom_getfloatarg(0, argc, argv);
        tmp = max(0, min( x->nb_mass-1, tmp));
        x->mass[tmp].forceX = atom_getfloatarg(1, argc, argv);
    }
    if ( ( argv[0].a_type == A_SYMBOL ) && ( argv[1].a_type == A_FLOAT ) )
    {
        for (i=0; i< x->nb_mass; i++)
        {
            if ( atom_getsymbolarg(0,argc,argv) == x->mass[i].Id)
            {
                x->mass[i].forceX = atom_getfloatarg(1, argc, argv);
            }
        }
    }
}