externals/iem/iem_roomsim/src cart2del_damp_2d.c, NONE, 1.1 cart2del_damp_3d.c, NONE, 1.1 early_reflections_2d.c, NONE, 1.1 early_reflections_3d.c, NONE, 1.1 iem_roomsim.c, NONE, 1.1 iem_roomsim.dsp, NONE, 1.1 iem_roomsim.dsw, NONE, 1.1 iemlib.h, NONE, 1.1 makefile, NONE, 1.1 makefile_linux, NONE, 1.1 makefile_win, NONE, 1.1 - Pd-cvs

30 Nov 2006


      Update of /cvsroot/pure-data/externals/iem/iem_roomsim/src
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv13629/iem/iem_roomsim/src
Added Files:
    cart2del_damp_2d.c cart2del_damp_3d.c early_reflections_2d.c 
    early_reflections_3d.c iem_roomsim.c iem_roomsim.dsp 
    iem_roomsim.dsw iemlib.h makefile makefile_linux makefile_win 
Log Message:
initial commit
changed float to t_float
-fno-strict-aliasing
#pragma obsolete
help-*.pd to *-help.pd
--- NEW FILE: early_reflections_2d.c ---
/* For information on usage and redistribution, and for a DISCLAIMER OF ALL
* WARRANTIES, see the file, "LICENSE.txt," in this distribution.
iem_roomsim written by Thomas Musil (c) IEM KUG Graz Austria 2002 - 2006 */
#include "m_pd.h"
#include "iemlib.h"
#include <math.h>
/* -------------------------- early_reflections_2d ------------------------------ */
/*
**  pos. x-Richtung Nase
**  pos. y-Richtung Linke Hand
**  pos. z-Richtung Scheitel
**  Kartesischer Koordinaten-Ursprung liegt in der Mitte des Raums am Boden
aenderungen: src-index von 1 .. n auf 0 .. (n-1)
  aenderungen: azimuth von rad auf degree
*/
/*
Reihenfolge der bundle-sektoren: index phi:
1 0
    2 45
    3 90
    4 135
    5 180
    6 225
    7 270
    8 315
1. und 2. reflexionen:
+x
          5
          9  1 11
          +y  6  2  0  4  8
          12  3 10
          7
*/
typedef struct _early_reflections_2d
{
  t_object  x_obj;
  t_atom    x_para_at[27];
  void      *x_direct_out;
  void      *x_early_out;
  void      *x_rev_out;
  t_symbol  *x_s_del0;
  t_symbol  *x_s_del1;
  t_symbol  *x_s_del2;
  t_symbol  *x_s_damp;
  t_symbol  *x_s_index_phi;
  t_symbol  *x_s_bundle;
  t_float   x_azimuth_denominator;
  t_float   x_azimuth_offset;
  t_float   x_room_x;
  t_float   x_room_y;
  t_float   x_head_x;
  t_float   x_head_y;
  int       x_n_src;
  int       x_bundle;
  t_float   x_src_x[30];
  t_float   x_src_y[30];
  t_float   x_r_ambi;
  t_float   x_speed;
  t_float   x_180_over_pi;
} t_early_reflections_2d;
static t_class *early_reflections_2d_class;
static t_float early_reflections_2d_calc_radius(t_floatarg r_ambi, t_floatarg dx, t_floatarg dy)
{
  t_float r = (t_float)sqrt(dx*dx + dy*dy);
if(r < r_ambi)
    return(r_ambi);
  else
    return(r);
}
static t_float early_reflections_2d_calc_azimuth(t_floatarg x_180_over_pi, t_floatarg dx, t_floatarg dy)/*changes*/
{
  if(dx == 0.0f)
  {
    if(dy < 0.0f)
      return(270.0f);
    else
      return(90.0f);
  }
  else if(dx < 0.0f)
  {
    return(180.0f + x_180_over_pi * (t_float)atan(dy / dx));
  }
  else
  {
    if(dy < 0.0f)
      return(360.0f + x_180_over_pi * (t_float)atan(dy / dx));
    else
      return(x_180_over_pi * (t_float)atan(dy / dx));
  }
}
static t_float early_reflections_2d_calc_bundle_index(t_floatarg phi)/*changes*/
{
  phi += 22.5f;
  if(phi >= 360.0f)
    phi -= 360.0f;
if(phi <= 180.0f)
  {
    if(phi <= 90.0f)
    {
      if(phi <= 45.0f)/* 0 .. 45 */
        return(1.0f);
      else
        return(2.0f);
    }
    else
    {
      if(phi <= 135.0f)
        return(3.0f);
      else
        return(4.0f);
    }
  }
  else
  {
    if(phi <= 270.0f)
    {
      if(phi <= 225.0f)
        return(5.0f);
      else
        return(6.0f);
    }
    else
    {
      if(phi <= 315.0f)/* 270 .. 315 */
        return(7.0f);
      else
        return(8.0f);/* 315 .. 360 */
    }
  }
}
static void early_reflections_2d_doit(t_early_reflections_2d *x)
{
  t_atom *at;
  t_float diff_x, diff_y;
  t_float sum_x, sum_y;
  t_float lx, wy;
  t_float x0, y0;
  t_float xp1, yp1;
  t_float xn1, yn1;
  t_float xp2, yp2;
  t_float xn2, yn2;
  t_float m2ms = 1000.0f / x->x_speed;
  t_float x_180_over_pi=x->x_180_over_pi;
  t_float r_ambi = x->x_r_ambi;
  t_float phi[50];
  t_float rad[50];
  int n_src=x->x_n_src;
  int i;
lx = x->x_room_x;
  wy = x->x_room_y;
SETFLOAT(x->x_para_at, early_reflections_2d_calc_radius(r_ambi, lx, wy)*m2ms);
  outlet_anything(x->x_rev_out, x->x_s_del0, 1, x->x_para_at);
for(i=0; i<n_src; i++)
  {
    diff_x = x->x_src_x[i] - x->x_head_x;
    diff_y = x->x_src_y[i] - x->x_head_y;
    sum_x = x->x_src_x[i] + x->x_head_x;
    sum_y = x->x_src_y[i] + x->x_head_y;
x0 = diff_x;
    y0 = diff_y;
    xp1 = lx - sum_x;
    yp1 = wy - sum_y;
    xn1 = -lx - sum_x;
    yn1 = -wy - sum_y;
    xp2 = 2.0f*lx + diff_x;
    yp2 = 2.0f*wy + diff_y;
    xn2 = -2.0f*lx + diff_x;
    yn2 = -2.0f*wy + diff_y;
rad[0] = early_reflections_2d_calc_radius(r_ambi, x0, y0);
    rad[1] = early_reflections_2d_calc_radius(r_ambi, xp1, y0);
    rad[2] = early_reflections_2d_calc_radius(r_ambi, x0, yp1);
    rad[3] = early_reflections_2d_calc_radius(r_ambi, xn1, y0);
    rad[4] = early_reflections_2d_calc_radius(r_ambi, x0, yn1);
    rad[5] = early_reflections_2d_calc_radius(r_ambi, xp2, y0);
    rad[6] = early_reflections_2d_calc_radius(r_ambi, x0, yp2);
    rad[7] = early_reflections_2d_calc_radius(r_ambi, xn2, y0);
    rad[8] = early_reflections_2d_calc_radius(r_ambi, x0, yn2);
    rad[9] = early_reflections_2d_calc_radius(r_ambi, xp1, yp1);
    rad[10] = early_reflections_2d_calc_radius(r_ambi, xn1, yn1);
    rad[11] = early_reflections_2d_calc_radius(r_ambi, xp1, yn1);
    rad[12] = early_reflections_2d_calc_radius(r_ambi, xn1, yp1);
/* delay-reihenfolge: 0,
    +1x, +1y, -1x, -1y
    +2x, +2y, -2x, -2y
    +1x+1y, -1x-1y
    +1x-1y, -1x+1y
    */
at = x->x_para_at;
    SETFLOAT(at, (t_float)(i+1));/*changes*/
    at++;
    SETFLOAT(at, rad[0] * m2ms);
    outlet_anything(x->x_direct_out, x->x_s_del0, 2, x->x_para_at);
at = x->x_para_at+1;
    SETFLOAT(at, rad[1] *m2ms);
    at++;
    SETFLOAT(at, rad[2] *m2ms);
    at++;
    SETFLOAT(at, rad[3] *m2ms);
    at++;
    SETFLOAT(at, rad[4] *m2ms);
    outlet_anything(x->x_early_out, x->x_s_del1, 5, x->x_para_at);
at = x->x_para_at+1;
    SETFLOAT(at, rad[5] *m2ms);
    at++;
    SETFLOAT(at, rad[6] *m2ms);
    at++;
    SETFLOAT(at, rad[7] *m2ms);
    at++;
    SETFLOAT(at, rad[8] *m2ms);
    at++;
    SETFLOAT(at, rad[9] *m2ms);
    at++;
    SETFLOAT(at, rad[10] *m2ms);
    at++;
    SETFLOAT(at, rad[11] *m2ms);
    at++;
    SETFLOAT(at, rad[12] *m2ms);
    outlet_anything(x->x_early_out, x->x_s_del2, 9, x->x_para_at);
/* daempfungs-reihenfolge:
    0,
    +1x, +1y, -1x, -1y
    +2x, +2y, -2x, -2y
    +1x+1y, -1x-1y
    +1x-1y, -1x+1y
    */
at = x->x_para_at+1;
    SETFLOAT(at, r_ambi / rad[0]);
    outlet_anything(x->x_direct_out, x->x_s_damp, 2, x->x_para_at);
at = x->x_para_at+1;
    SETFLOAT(at, r_ambi / rad[1]);
    at++;
    SETFLOAT(at, r_ambi / rad[2]);
    at++;
    SETFLOAT(at, r_ambi / rad[3]);
    at++;
    SETFLOAT(at, r_ambi / rad[4]);
    at++;
    SETFLOAT(at, r_ambi / rad[5]);
    at++;
    SETFLOAT(at, r_ambi / rad[6]);
    at++;
    SETFLOAT(at, r_ambi / rad[7]);
    at++;
    SETFLOAT(at, r_ambi / rad[8]);
    at++;
    SETFLOAT(at, r_ambi / rad[9]);
    at++;
    SETFLOAT(at, r_ambi / rad[10]);
    at++;
    SETFLOAT(at, r_ambi / rad[11]);
    at++;
    SETFLOAT(at, r_ambi / rad[12]);
outlet_anything(x->x_early_out, x->x_s_damp, 13, x->x_para_at);
/* encoder-winkel-reihenfolge: index delta phi
    0,
    +1x, +1y, -1x, -1y
    +2x, +2y, -2x, -2y
    +1x+1y, -1x-1y
    +1x-1y, -1x+1y
    */
at = x->x_para_at+1;
    SETFLOAT(at, early_reflections_2d_calc_azimuth(x_180_over_pi, x0, y0));
outlet_anything(x->x_direct_out, x->x_s_index_phi, 2, x->x_para_at);
/* encoder-winkel-reihenfolge: bundle
    0,
    +1x, +1y, -1x, -1y
    +2x, +2y, -2x, -2y
    +1x+1y, -1x-1y
    +1x-1y, -1x+1y
    */
phi[0] = early_reflections_2d_calc_azimuth(x_180_over_pi, xp1, y0);
    phi[1] = early_reflections_2d_calc_azimuth(x_180_over_pi, x0, yp1);
    phi[2] = early_reflections_2d_calc_azimuth(x_180_over_pi, xn1, y0);
    phi[3] = early_reflections_2d_calc_azimuth(x_180_over_pi, x0, yn1);
    phi[4] = early_reflections_2d_calc_azimuth(x_180_over_pi, xp2, y0);
    phi[5] = early_reflections_2d_calc_azimuth(x_180_over_pi, x0, yp2);
    phi[6] = early_reflections_2d_calc_azimuth(x_180_over_pi, xn2, y0);
    phi[7] = early_reflections_2d_calc_azimuth(x_180_over_pi, x0, yn2);
    phi[8] = early_reflections_2d_calc_azimuth(x_180_over_pi, xp1, yp1);
    phi[9] = early_reflections_2d_calc_azimuth(x_180_over_pi, xn1, yn1);
    phi[10] = early_reflections_2d_calc_azimuth(x_180_over_pi, xp1, yn1);
    phi[11] = early_reflections_2d_calc_azimuth(x_180_over_pi, xn1, yp1);
if(x->x_bundle)
    {
      at = x->x_para_at+1;
      SETFLOAT(at, early_reflections_2d_calc_bundle_index(phi[0]));
      at++;
      SETFLOAT(at, early_reflections_2d_calc_bundle_index(phi[1]));
      at++;
      SETFLOAT(at, early_reflections_2d_calc_bundle_index(phi[2]));
      at++;
      SETFLOAT(at, early_reflections_2d_calc_bundle_index(phi[3]));
      at++;
      SETFLOAT(at, early_reflections_2d_calc_bundle_index(phi[4]));
      at++;
      SETFLOAT(at, early_reflections_2d_calc_bundle_index(phi[5]));
      at++;
      SETFLOAT(at, early_reflections_2d_calc_bundle_index(phi[6]));
      at++;
      SETFLOAT(at, early_reflections_2d_calc_bundle_index(phi[7]));
      at++;
      SETFLOAT(at, early_reflections_2d_calc_bundle_index(phi[8]));
      at++;
      SETFLOAT(at, early_reflections_2d_calc_bundle_index(phi[9]));
      at++;
      SETFLOAT(at, early_reflections_2d_calc_bundle_index(phi[10]));
      at++;
      SETFLOAT(at, early_reflections_2d_calc_bundle_index(phi[11]));
outlet_anything(x->x_early_out, x->x_s_bundle, 13, x->x_para_at);
    }
at = x->x_para_at+1;
    SETFLOAT(at, 1.0f);
    at++;
    SETFLOAT(at, phi[0]);
    outlet_anything(x->x_early_out, x->x_s_index_phi, 3, x->x_para_at);
at = x->x_para_at+1;
    SETFLOAT(at, 2.0f);
    at++;
    SETFLOAT(at, phi[1]);
    outlet_anything(x->x_early_out, x->x_s_index_phi, 3, x->x_para_at);
at = x->x_para_at+1;
    SETFLOAT(at, 3.0f);
    at++;
    SETFLOAT(at, phi[2]);
    outlet_anything(x->x_early_out, x->x_s_index_phi, 3, x->x_para_at);
at = x->x_para_at+1;
    SETFLOAT(at, 4.0f);
    at++;
    SETFLOAT(at, phi[3]);
    outlet_anything(x->x_early_out, x->x_s_index_phi, 3, x->x_para_at);
at = x->x_para_at+1;
    SETFLOAT(at, 5.0f);
    at++;
    SETFLOAT(at, phi[4]);
    outlet_anything(x->x_early_out, x->x_s_index_phi, 3, x->x_para_at);
at = x->x_para_at+1;
    SETFLOAT(at, 6.0f);
    at++;
    SETFLOAT(at, phi[5]);
    outlet_anything(x->x_early_out, x->x_s_index_phi, 3, x->x_para_at);
at = x->x_para_at+1;
    SETFLOAT(at, 7.0f);
    at++;
    SETFLOAT(at, phi[6]);
    outlet_anything(x->x_early_out, x->x_s_index_phi, 3, x->x_para_at);
at = x->x_para_at+1;
    SETFLOAT(at, 8.0f);
    at++;
    SETFLOAT(at, phi[7]);
    outlet_anything(x->x_early_out, x->x_s_index_phi, 3, x->x_para_at);
at = x->x_para_at+1;
    SETFLOAT(at, 9.0f);
    at++;
    SETFLOAT(at, phi[8]);
    outlet_anything(x->x_early_out, x->x_s_index_phi, 3, x->x_para_at);
at = x->x_para_at+1;
    SETFLOAT(at, 10.0f);
    at++;
    SETFLOAT(at, phi[9]);
    outlet_anything(x->x_early_out, x->x_s_index_phi, 3, x->x_para_at);
at = x->x_para_at+1;
    SETFLOAT(at, 11.0f);
    at++;
    SETFLOAT(at, phi[10]);
    outlet_anything(x->x_early_out, x->x_s_index_phi, 3, x->x_para_at);
at = x->x_para_at+1;
    SETFLOAT(at, 12.0f);
    at++;
    SETFLOAT(at, phi[11]);
    outlet_anything(x->x_early_out, x->x_s_index_phi, 3, x->x_para_at);
  }
}
static void early_reflections_2d_dump_para(t_early_reflections_2d *x)
{
  int i, n=x->x_n_src;
post("*******************************************************************************");
  post("room-dimensions: L_x = %.3f, W_y = %.3f", x->x_room_x, x->x_room_y);
  post("hear-position: x_hear = %.3f, y_hear = %.3f", x->x_head_x, x->x_head_y);
  for(i=0; i<n; i++)
    post("source-coordinates: x_src%d = %.3f, y_src%d = %.3f",
    i+1, x->x_src_x[i], i+1, x->x_src_y[i]);
  post("ambisonic-radius: %f", x->x_r_ambi);
  post("sonic-speed: %.3f", x->x_speed);
  post("order of outputs: direct early rev");
  post("*******************************************************************************");
}
static void early_reflections_2d_para(t_early_reflections_2d *x, t_symbol *s, int argc, t_atom *argv)
{
  int i, n=x->x_n_src*2 + 5;/* r_ambi + 2*room + 2*head */
if(argc != n)
  {
    post("early_reflections_2d ERROR: para needs 1 r_ambi + 2*room + 2*head +n*2*src");
    return;
  }
x->x_r_ambi = atom_getfloat(argv++);
  x->x_room_x = atom_getfloat(argv++);
  x->x_room_y = atom_getfloat(argv++);
  x->x_head_x = atom_getfloat(argv++);
  x->x_head_y = atom_getfloat(argv++);
  n = x->x_n_src;
  for(i=0; i<n; i++)
  {
    x->x_src_x[i] = atom_getfloat(argv++);
    x->x_src_y[i] = atom_getfloat(argv++);
  }
  early_reflections_2d_doit(x);
}
static void early_reflections_2d_sonic_speed(t_early_reflections_2d *x, t_floatarg speed)
{
  if(speed < 300.0f)
    speed = 300.0f;
  if(speed > 400.0f)
    speed = 400.0f;
  x->x_speed = speed;
}
static void early_reflections_2d_bundle(t_early_reflections_2d *x, t_floatarg bundle)
{
  if(bundle == 0.0f)
    x->x_bundle = 0;
  else
    x->x_bundle = 1;
}
static void early_reflections_2d_free(t_early_reflections_2d *x)
{
}
static void *early_reflections_2d_new(t_floatarg fn_src)
{
  int i, n;
  t_early_reflections_2d *x = (t_early_reflections_2d *)pd_new(early_reflections_2d_class);
n = (int)fn_src;
  if(n < 1)
    n = 1;
  if(n > 30)
    n = 30;
  x->x_n_src = n;
  x->x_room_x = 12.0f;
  x->x_room_y = 8.0f;
  x->x_head_x = 0.0f;
  x->x_head_y = 0.0f;
  for(i=0; i<n; i++)
  {
    x->x_src_x[i] = 3.0f;
    x->x_src_y[i] = 0.5f;
  }
  x->x_r_ambi = 1.4f;
  x->x_speed = 340.0f;
x->x_s_del0 = gensym("del0");
  x->x_s_del1 = gensym("del1");
  x->x_s_del2 = gensym("del2");
  x->x_s_damp = gensym("damp");
  x->x_s_index_phi = gensym("index_phi");
  x->x_s_bundle = gensym("bundle");
  x->x_direct_out = outlet_new(&x->x_obj, &s_list);
  x->x_early_out = outlet_new(&x->x_obj, &s_list);
  x->x_rev_out = outlet_new(&x->x_obj, &s_list);
  x->x_180_over_pi  = (t_float)(180.0 / (4.0 * atan(1.0)));
  x->x_bundle = 0;
  return (x);
}
void early_reflections_2d_setup(void)
{
  early_reflections_2d_class = class_new(gensym("early_reflections_2d"), (t_newmethod)early_reflections_2d_new, (t_method)early_reflections_2d_free,
    sizeof(t_early_reflections_2d), 0, A_DEFFLOAT, 0);
  class_addmethod(early_reflections_2d_class, (t_method)early_reflections_2d_para, gensym("para"), A_GIMME, 0);
  class_addmethod(early_reflections_2d_class, (t_method)early_reflections_2d_sonic_speed, gensym("sonic_speed"), A_FLOAT, 0);
  class_addmethod(early_reflections_2d_class, (t_method)early_reflections_2d_bundle, gensym("bundle"), A_FLOAT, 0);
  class_addmethod(early_reflections_2d_class, (t_method)early_reflections_2d_dump_para, gensym("dump_para"), 0);
  class_sethelpsymbol(early_reflections_2d_class, gensym("iemhelp2/early_reflections_2d-help"));
}
--- NEW FILE: makefile_linux ---
current: all
.SUFFIXES: .pd_linux
INCLUDE = -I. -I/usr/local/src/pd/src
LDFLAGS = -export-dynamic -shared
LIB = -ldl -lm -lpthread
#select either the DBG and OPT compiler flags below:
CFLAGS = -DPD -DUNIX -W -Werror -Wno-unused \
    -Wno-parentheses -Wno-switch -O6 -funroll-loops -fomit-frame-pointer -fno-strict-aliasing \
        -DDL_OPEN
SYSTEM = $(shell uname -m)
# the sources
SRC = early_reflections_3d.c \
    early_reflections_2d.c \
    cart2del_damp_2d.c \
    cart2del_damp_3d.c \
    iem_roomsim.c
TARGET = iem_roomsim.pd_linux
OBJ = $(SRC:.c=.o)
#
#  ------------------ targets ------------------------------------
#
clean:
    rm ..$(TARGET)
    rm *.o
all: $(OBJ)
    @echo :: $(OBJ)
    $(LD) $(LDFLAGS) -o $(TARGET) *.o $(LIB)
    strip --strip-unneeded $(TARGET)
    mv $(TARGET) ..
$(OBJ) : %.o : %.c
    $(CC) $(CFLAGS) $(INCLUDE) -c -o $*.o $*.c
--- NEW FILE: iem_roomsim.dsp ---
# Microsoft Developer Studio Project File - Name="iem_roomsim" - Package Owner=<4>
# Microsoft Developer Studio Generated Build File, Format Version 6.00
# ** NICHT BEARBEITEN **
# TARGTYPE "Win32 (x86) External Target" 0x0106
CFG=iem_roomsim - Win32 Debug
!MESSAGE Dies ist kein gültiges Makefile. Zum Erstellen dieses Projekts mit NMAKE
!MESSAGE verwenden Sie den Befehl "Makefile exportieren" und führen Sie den Befehl
!MESSAGE 
!MESSAGE NMAKE /f "iem_roomsim.mak".
!MESSAGE 
!MESSAGE Sie können beim Ausführen von NMAKE eine Konfiguration angeben
!MESSAGE durch Definieren des Makros CFG in der Befehlszeile. Zum Beispiel:
!MESSAGE 
!MESSAGE NMAKE /f "iem_roomsim.mak" CFG="iem_roomsim - Win32 Debug"
!MESSAGE 
!MESSAGE Für die Konfiguration stehen zur Auswahl:
!MESSAGE 
!MESSAGE "iem_roomsim - Win32 Release" (basierend auf  "Win32 (x86) External Target")
!MESSAGE "iem_roomsim - Win32 Debug" (basierend auf  "Win32 (x86) External Target")
!MESSAGE
# Begin Project
# PROP AllowPerConfigDependencies 0
# PROP Scc_ProjName ""
# PROP Scc_LocalPath ""
!IF  "$(CFG)" == "iem_roomsim - Win32 Release"
# PROP BASE Use_Debug_Libraries 0
# PROP BASE Output_Dir "Release"
# PROP BASE Intermediate_Dir "Release"
# PROP BASE Cmd_Line "NMAKE /f makefile_win"
# PROP BASE Rebuild_Opt "/a"
# PROP BASE Target_File "makefile_win.exe"
# PROP BASE Bsc_Name "makefile_win.bsc"
# PROP BASE Target_Dir ""
# PROP Use_Debug_Libraries 0
# PROP Output_Dir "Release"
# PROP Intermediate_Dir "Release"
# PROP Cmd_Line "NMAKE /f makefile_win"
# PROP Rebuild_Opt "/a"
# PROP Target_File "iem_roomsim.exe"
# PROP Bsc_Name "iem_roomsim.bsc"
# PROP Target_Dir ""
!ELSEIF  "$(CFG)" == "iem_roomsim - Win32 Debug"
# PROP BASE Use_Debug_Libraries 1
# PROP BASE Output_Dir "Debug"
# PROP BASE Intermediate_Dir "Debug"
# PROP BASE Cmd_Line "NMAKE /f makefile_win"
# PROP BASE Rebuild_Opt "/a"
# PROP BASE Target_File "makefile_win.exe"
# PROP BASE Bsc_Name "makefile_win.bsc"
# PROP BASE Target_Dir ""
# PROP Use_Debug_Libraries 1
# PROP Output_Dir "Debug"
# PROP Intermediate_Dir "Debug"
# PROP Cmd_Line "NMAKE /f makefile_win"
# PROP Rebuild_Opt "/a"
# PROP Target_File "iem_roomsim.exe"
# PROP Bsc_Name "iem_roomsim.bsc"
# PROP Target_Dir ""
!ENDIF
# Begin Target
# Name "iem_roomsim - Win32 Release"
# Name "iem_roomsim - Win32 Debug"
!IF  "$(CFG)" == "iem_roomsim - Win32 Release"
!ELSEIF  "$(CFG)" == "iem_roomsim - Win32 Debug"
!ENDIF
# Begin Source File
SOURCE=.\makefile_win
# End Source File
# End Target
# End Project
--- NEW FILE: cart2del_damp_3d.c ---
/* For information on usage and redistribution, and for a DISCLAIMER OF ALL
* WARRANTIES, see the file, "LICENSE.txt," in this distribution.
iem_roomsim written by Thomas Musil (c) IEM KUG Graz Austria 2002 - 2006 */
#include "m_pd.h"
#include "iemlib.h"
#include <math.h>
/* -------------------------- cart2del_damp_3d ------------------------------ */
/*
**  pos. x-Richtung Nase
**  pos. y-Richtung Linke Hand
**  pos. z-Richtung Scheitel
**  Kartesischer Koordinaten-Ursprung liegt in der Mitte des Raums am Boden
*/
/*
Reihenfolge der bundle-sektoren: index delta phi:
1 90 0
  2 45 45
  3 45 135
  4 45 225
  5 45 315
  6 0 0
  7 0 45
  8 0 90
  9 0 135
  10 0 180
  11 0 225
  12 0 270
  13 0 315
  14 -45 45
  15 -45 135
  16 -45 225
  17 -45 315
top
+x
+y        9
+x
15
  +y    23  3 14
           24
+x
            8
        22  2 13
  +y 10  4  0  1  7
        16  5 19
           11
+x
21
  +y    17  6 20
           18
+x
+y       12
*/
typedef struct _cart2del_damp_3d
{
  t_object  x_obj;
  t_symbol  *x_s_direct;
  t_symbol  *x_s_early1;
  t_symbol  *x_s_early2;
  t_symbol  *x_s_del;
  t_symbol  *x_s_damp;
  t_symbol  *x_s_index_theta_phi;
  t_float   x_room_x;
  t_float   x_room_y;
  t_float   x_room_z;
  t_float   x_head_x;
  t_float   x_head_y;
  t_float   x_head_z;
  t_float   x_src_x;
  t_float   x_src_y;
  t_float   x_src_z;
  t_float   x_r_ambi;
  t_float   x_speed;
  t_float   x_180_over_pi;
  void      *x_clock;
} t_cart2del_damp_3d;
static t_class *cart2del_damp_3d_class;
static t_float cart2del_damp_3d_calc_radius(t_floatarg r_ambi, t_floatarg dx, t_floatarg dy, t_floatarg dz)
{
  t_float r = (t_float)sqrt(dx*dx + dy*dy + dz*dz);
if(r < r_ambi)
    return(r_ambi);
  else
    return(r);
}
static t_float cart2del_damp_3d_calc_azimuth(t_floatarg x_180_over_pi, t_floatarg dx, t_floatarg dy, t_floatarg dz)
{
  if(dx == 0.0f)
  {
    if(dy < 0.0f)
      return(270.0f);
    else
      return(90.0f);
  }
  else if(dx < 0.0f)
  {
    return(180.0f + x_180_over_pi * (t_float)atan(dy / dx));
  }
  else
  {
    if(dy < 0.0f)
      return(360.0f + x_180_over_pi * (t_float)atan(dy / dx));
    else
      return(x_180_over_pi * (t_float)atan(dy / dx));
  }
}
static t_float cart2del_damp_3d_calc_elevation(t_floatarg x_180_over_pi, t_floatarg dx, t_floatarg dy, t_floatarg dz)
{
  t_float dxy = sqrt(dx*dx + dy*dy);
if(dxy == 0.0f)
  {
    if(dz < 0.0f)
      return(-90.0f);
    else
      return(90.0f);
  }
  else
  {
    return(x_180_over_pi * (t_float)atan(dz / dxy));
  }
}
static void cart2del_damp_3d_doit(t_cart2del_damp_3d *x)
{
  t_float diff_x, diff_y, diff_z;
  t_float sum_x, sum_y, sum_z;
  t_float lx, wy, hz;
  t_float x0, y0, z0;
  t_float xp1, yp1, zp1;
  t_float xn1, yn1, zn1;
  t_float xp2, yp2, zp2;
  t_float xn2, yn2, zn2;
  t_float m2ms = 1000.0f / x->x_speed;
  t_float x_180_over_pi=x->x_180_over_pi;
  t_float r_ambi = x->x_r_ambi;
  t_float rad[30];
  t_atom at[30];
lx = x->x_room_x;
  wy = x->x_room_y;
  hz = x->x_room_z;
diff_x = x->x_src_x - x->x_head_x;
  diff_y = x->x_src_y - x->x_head_y;
  diff_z = x->x_src_z - x->x_head_z;
  sum_x = x->x_src_x + x->x_head_x;
  sum_y = x->x_src_y + x->x_head_y;
  sum_z = x->x_src_z + x->x_head_z - hz;
x0 = diff_x;
  y0 = diff_y;
  z0 = diff_z;
  xp1 = lx - sum_x;
  yp1 = wy - sum_y;
  zp1 = hz - sum_z;
  xn1 = -lx - sum_x;
  yn1 = -wy - sum_y;
  zn1 = -hz - sum_z;
  xp2 = 2.0f*lx + diff_x;
  yp2 = 2.0f*wy + diff_y;
  zp2 = 2.0f*hz + diff_z;
  xn2 = -2.0f*lx + diff_x;
  yn2 = -2.0f*wy + diff_y;
  zn2 = -2.0f*hz + diff_z;
rad[0] = cart2del_damp_3d_calc_radius(r_ambi, x0, y0, z0);
  rad[1] = cart2del_damp_3d_calc_radius(r_ambi, xp1, y0, z0);
  rad[2] = cart2del_damp_3d_calc_radius(r_ambi, x0, yp1, z0);
  rad[3] = cart2del_damp_3d_calc_radius(r_ambi, x0, y0, zp1);
  rad[4] = cart2del_damp_3d_calc_radius(r_ambi, xn1, y0, z0);
  rad[5] = cart2del_damp_3d_calc_radius(r_ambi, x0, yn1, z0);
  rad[6] = cart2del_damp_3d_calc_radius(r_ambi, x0, y0, zn1);
  rad[7] = cart2del_damp_3d_calc_radius(r_ambi, xp2, y0, z0);
  rad[8] = cart2del_damp_3d_calc_radius(r_ambi, x0, yp2, z0);
  rad[9] = cart2del_damp_3d_calc_radius(r_ambi, x0, y0, zp2);
  rad[10] = cart2del_damp_3d_calc_radius(r_ambi, xn2, y0, z0);
  rad[11] = cart2del_damp_3d_calc_radius(r_ambi, x0, yn2, z0);
  rad[12] = cart2del_damp_3d_calc_radius(r_ambi, x0, y0, zn2);
  rad[13] = cart2del_damp_3d_calc_radius(r_ambi, xp1, yp1, z0);
  rad[14] = cart2del_damp_3d_calc_radius(r_ambi, xp1, y0, zp1);
  rad[15] = cart2del_damp_3d_calc_radius(r_ambi, x0, yp1, zp1);
  rad[16] = cart2del_damp_3d_calc_radius(r_ambi, xn1, yn1, z0);
  rad[17] = cart2del_damp_3d_calc_radius(r_ambi, xn1, y0, zn1);
  rad[18] = cart2del_damp_3d_calc_radius(r_ambi, x0, yn1, zn1);
  rad[19] = cart2del_damp_3d_calc_radius(r_ambi, xp1, yn1, z0);
  rad[20] = cart2del_damp_3d_calc_radius(r_ambi, xp1, y0, zn1);
  rad[21] = cart2del_damp_3d_calc_radius(r_ambi, x0, yp1, zn1);
  rad[22] = cart2del_damp_3d_calc_radius(r_ambi, xn1, yp1, z0);
  rad[23] = cart2del_damp_3d_calc_radius(r_ambi, xn1, y0, zp1);
  rad[24] = cart2del_damp_3d_calc_radius(r_ambi, x0, yn1, zp1);
/* delay-reihenfolge: 0 auslassen,
  +1x, +1y, +1z, -1x, -1y, -1z
  +2x, +2y, +2z, -2x, -2y, -2z
  +1x+1y, +1x+1z, +1y+1z
  -1x-1y, -1x-1z, -1y-1z
  +1x-1y, +1x-1z, +1y-1z
  -1x+1y, -1x+1z, -1y+1z
  */
SETSYMBOL(at, x->x_s_del);
SETFLOAT(at+1, rad[0] * m2ms);
  outlet_anything(x->x_obj.ob_outlet, x->x_s_direct, 2, at);
SETFLOAT(at+1, rad[1] *m2ms);
  SETFLOAT(at+2, rad[2] *m2ms);
  SETFLOAT(at+3, rad[3] *m2ms);
  SETFLOAT(at+4, rad[4] *m2ms);
  SETFLOAT(at+5, rad[5] *m2ms);
  SETFLOAT(at+6, rad[6] *m2ms);
  outlet_anything(x->x_obj.ob_outlet, x->x_s_early1, 7, at);
SETFLOAT(at+1, rad[7] *m2ms);
  SETFLOAT(at+2, rad[8] *m2ms);
  SETFLOAT(at+3, rad[9] *m2ms);
  SETFLOAT(at+4, rad[10] *m2ms);
  SETFLOAT(at+5, rad[11] *m2ms);
  SETFLOAT(at+6, rad[12] *m2ms);
  SETFLOAT(at+7, rad[13] *m2ms);
  SETFLOAT(at+8, rad[14] *m2ms);
  SETFLOAT(at+9, rad[15] *m2ms);
  SETFLOAT(at+10, rad[16] *m2ms);
  SETFLOAT(at+11, rad[17] *m2ms);
  SETFLOAT(at+12, rad[18] *m2ms);
  SETFLOAT(at+13, rad[19] *m2ms);
  SETFLOAT(at+14, rad[20] *m2ms);
  SETFLOAT(at+15, rad[21] *m2ms);
  SETFLOAT(at+16, rad[22] *m2ms);
  SETFLOAT(at+17, rad[23] *m2ms);
  SETFLOAT(at+18, rad[24] *m2ms);
  outlet_anything(x->x_obj.ob_outlet, x->x_s_early2, 19, at);
/* daempfungs-reihenfolge:
  0,
  +1x, +1y, +1z, -1x, -1y, -1z
+2x, +2y, +2z, -2x, -2y, -2z
    +1x+1y, +1x+1z, +1y+1z
    -1x-1y, -1x-1z, -1y-1z
    +1x-1y, +1x-1z, +1y-1z
    -1x+1y, -1x+1z, -1y+1z
  */
SETSYMBOL(at, x->x_s_damp);
SETFLOAT(at+1, r_ambi / rad[0]);
  outlet_anything(x->x_obj.ob_outlet, x->x_s_direct, 2, at);
SETFLOAT(at+1, r_ambi / rad[1]);
  SETFLOAT(at+2, r_ambi / rad[2]);
  SETFLOAT(at+3, r_ambi / rad[3]);
  SETFLOAT(at+4, r_ambi / rad[4]);
  SETFLOAT(at+5, r_ambi / rad[5]);
  SETFLOAT(at+6, r_ambi / rad[6]);
  outlet_anything(x->x_obj.ob_outlet, x->x_s_early1, 7, at);
SETFLOAT(at+1, r_ambi / rad[7]);
  SETFLOAT(at+2, r_ambi / rad[8]);
  SETFLOAT(at+3, r_ambi / rad[9]);
  SETFLOAT(at+4, r_ambi / rad[10]);
  SETFLOAT(at+5, r_ambi / rad[11]);
  SETFLOAT(at+6, r_ambi / rad[12]);
  SETFLOAT(at+7, r_ambi / rad[13]);
  SETFLOAT(at+8, r_ambi / rad[14]);
  SETFLOAT(at+9, r_ambi / rad[15]);
  SETFLOAT(at+10, r_ambi / rad[16]);
  SETFLOAT(at+11, r_ambi / rad[17]);
  SETFLOAT(at+12, r_ambi / rad[18]);
  SETFLOAT(at+13, r_ambi / rad[19]);
  SETFLOAT(at+14, r_ambi / rad[20]);
  SETFLOAT(at+15, r_ambi / rad[21]);
  SETFLOAT(at+16, r_ambi / rad[22]);
  SETFLOAT(at+17, r_ambi / rad[23]);
  SETFLOAT(at+18, r_ambi / rad[24]);
  outlet_anything(x->x_obj.ob_outlet, x->x_s_early2, 19, at);
/* encoder-winkel-reihenfolge: index delta phi
  0,
  +1x, +1y, +1z, -1x, -1y, -1z
  +2x, +2y, +2z, -2x, -2y, -2z
  +1x+1y, +1x+1z, +1y+1z
  -1x-1y, -1x-1z, -1y-1z
  +1x-1y, +1x-1z, +1y-1z
  -1x+1y, -1x+1z, -1y+1z
  */
SETSYMBOL(at, x->x_s_index_theta_phi);
SETFLOAT(at+1, 1.0f);
  SETFLOAT(at+2, cart2del_damp_3d_calc_elevation(x_180_over_pi, x0, y0, z0));
  SETFLOAT(at+3, cart2del_damp_3d_calc_azimuth(x_180_over_pi, x0, y0, z0));
  outlet_anything(x->x_obj.ob_outlet, x->x_s_direct, 4, at);
SETFLOAT(at+1, 1.0f);
  SETFLOAT(at+2, cart2del_damp_3d_calc_elevation(x_180_over_pi, xp1, y0, z0));
  SETFLOAT(at+3, cart2del_damp_3d_calc_azimuth(x_180_over_pi, xp1, y0, z0));
  outlet_anything(x->x_obj.ob_outlet, x->x_s_early1, 4, at);
SETFLOAT(at+1, 2.0f);
  SETFLOAT(at+2, cart2del_damp_3d_calc_elevation(x_180_over_pi, x0, yp1, z0));
  SETFLOAT(at+3, cart2del_damp_3d_calc_azimuth(x_180_over_pi, x0, yp1, z0));
  outlet_anything(x->x_obj.ob_outlet, x->x_s_early1, 4, at);
SETFLOAT(at+1, 3.0f);
  SETFLOAT(at+2, cart2del_damp_3d_calc_elevation(x_180_over_pi, x0, y0, zp1));
  SETFLOAT(at+3, cart2del_damp_3d_calc_azimuth(x_180_over_pi, x0, y0, zp1));
  outlet_anything(x->x_obj.ob_outlet, x->x_s_early1, 4, at);
SETFLOAT(at+1, 4.0f);
  SETFLOAT(at+2, cart2del_damp_3d_calc_elevation(x_180_over_pi, xn1, y0, z0));
  SETFLOAT(at+3, cart2del_damp_3d_calc_azimuth(x_180_over_pi, xn1, y0, z0));
  outlet_anything(x->x_obj.ob_outlet, x->x_s_early1, 4, at);
SETFLOAT(at+1, 5.0f);
  SETFLOAT(at+2, cart2del_damp_3d_calc_elevation(x_180_over_pi, x0, yn1, z0));
  SETFLOAT(at+3, cart2del_damp_3d_calc_azimuth(x_180_over_pi, x0, yn1, z0));
  outlet_anything(x->x_obj.ob_outlet, x->x_s_early1, 4, at);
SETFLOAT(at+1, 6.0f);
  SETFLOAT(at+2, cart2del_damp_3d_calc_elevation(x_180_over_pi, x0, y0, zn1));
  SETFLOAT(at+3, cart2del_damp_3d_calc_azimuth(x_180_over_pi, x0, y0, zn1));
  outlet_anything(x->x_obj.ob_outlet, x->x_s_early1, 4, at);
SETFLOAT(at+1, 1.0f);
  SETFLOAT(at+2, cart2del_damp_3d_calc_elevation(x_180_over_pi, xp2, y0, z0));
  SETFLOAT(at+3, cart2del_damp_3d_calc_azimuth(x_180_over_pi, xp2, y0, z0));
  outlet_anything(x->x_obj.ob_outlet, x->x_s_early2, 4, at);
SETFLOAT(at+1, 2.0f);
  SETFLOAT(at+2, cart2del_damp_3d_calc_elevation(x_180_over_pi, x0, yp2, z0));
  SETFLOAT(at+3, cart2del_damp_3d_calc_azimuth(x_180_over_pi, x0, yp2, z0));
  outlet_anything(x->x_obj.ob_outlet, x->x_s_early2, 4, at);
SETFLOAT(at+1, 3.0f);
  SETFLOAT(at+2, cart2del_damp_3d_calc_elevation(x_180_over_pi, x0, y0, zp2));
  SETFLOAT(at+3, cart2del_damp_3d_calc_azimuth(x_180_over_pi, x0, y0, zp2));
  outlet_anything(x->x_obj.ob_outlet, x->x_s_early2, 4, at);
SETFLOAT(at+1, 4.0f);
  SETFLOAT(at+2, cart2del_damp_3d_calc_elevation(x_180_over_pi, xn2, y0, z0));
  SETFLOAT(at+3, cart2del_damp_3d_calc_azimuth(x_180_over_pi, xn2, y0, z0));
  outlet_anything(x->x_obj.ob_outlet, x->x_s_early2, 4, at);
SETFLOAT(at+1, 5.0f);
  SETFLOAT(at+2, cart2del_damp_3d_calc_elevation(x_180_over_pi, x0, yn2, z0));
  SETFLOAT(at+3, cart2del_damp_3d_calc_azimuth(x_180_over_pi, x0, yn2, z0));
  outlet_anything(x->x_obj.ob_outlet, x->x_s_early2, 4, at);
SETFLOAT(at+1, 6.0f);
  SETFLOAT(at+2, cart2del_damp_3d_calc_elevation(x_180_over_pi, x0, y0, zn2));
  SETFLOAT(at+3, cart2del_damp_3d_calc_azimuth(x_180_over_pi, x0, y0, zn2));
  outlet_anything(x->x_obj.ob_outlet, x->x_s_early2, 4, at);
SETFLOAT(at+1, 7.0f);
  SETFLOAT(at+2, cart2del_damp_3d_calc_elevation(x_180_over_pi, xp1, yp1, z0));
  SETFLOAT(at+3, cart2del_damp_3d_calc_azimuth(x_180_over_pi, xp1, yp1, z0));
  outlet_anything(x->x_obj.ob_outlet, x->x_s_early2, 4, at);
SETFLOAT(at+1, 8.0f);
  SETFLOAT(at+2, cart2del_damp_3d_calc_elevation(x_180_over_pi, xp1, y0, zp1));
  SETFLOAT(at+3, cart2del_damp_3d_calc_azimuth(x_180_over_pi, xp1, y0, zp1));
  outlet_anything(x->x_obj.ob_outlet, x->x_s_early2, 4, at);
SETFLOAT(at+1, 9.0f);
  SETFLOAT(at+2, cart2del_damp_3d_calc_elevation(x_180_over_pi, x0, yp1, zp1));
  SETFLOAT(at+3, cart2del_damp_3d_calc_azimuth(x_180_over_pi, x0, yp1, zp1));
  outlet_anything(x->x_obj.ob_outlet, x->x_s_early2, 4, at);
SETFLOAT(at+1, 10.0f);
  SETFLOAT(at+2, cart2del_damp_3d_calc_elevation(x_180_over_pi, xn1, yn1, z0));
  SETFLOAT(at+3, cart2del_damp_3d_calc_azimuth(x_180_over_pi, xn1, yn1, z0));
  outlet_anything(x->x_obj.ob_outlet, x->x_s_early2, 4, at);
SETFLOAT(at+1, 11.0f);
  SETFLOAT(at+2, cart2del_damp_3d_calc_elevation(x_180_over_pi, xn1, y0, zn1));
  SETFLOAT(at+3, cart2del_damp_3d_calc_azimuth(x_180_over_pi, xn1, y0, zn1));
  outlet_anything(x->x_obj.ob_outlet, x->x_s_early2, 4, at);
SETFLOAT(at+1, 12.0f);
  SETFLOAT(at+2, cart2del_damp_3d_calc_elevation(x_180_over_pi, x0, yn1, zn1));
  SETFLOAT(at+3, cart2del_damp_3d_calc_azimuth(x_180_over_pi, x0, yn1, zn1));
  outlet_anything(x->x_obj.ob_outlet, x->x_s_early2, 4, at);
SETFLOAT(at+1, 13.0f);
  SETFLOAT(at+2, cart2del_damp_3d_calc_elevation(x_180_over_pi, xp1, yn1, z0));
  SETFLOAT(at+3, cart2del_damp_3d_calc_azimuth(x_180_over_pi, xp1, yn1, z0));
  outlet_anything(x->x_obj.ob_outlet, x->x_s_early2, 4, at);
SETFLOAT(at+1, 14.0f);
  SETFLOAT(at+2, cart2del_damp_3d_calc_elevation(x_180_over_pi, xp1, y0, zn1));
  SETFLOAT(at+3, cart2del_damp_3d_calc_azimuth(x_180_over_pi, xp1, y0, zn1));
  outlet_anything(x->x_obj.ob_outlet, x->x_s_early2, 4, at);
SETFLOAT(at+1, 15.0f);
  SETFLOAT(at+2, cart2del_damp_3d_calc_elevation(x_180_over_pi, x0, yp1, zn1));
  SETFLOAT(at+3, cart2del_damp_3d_calc_azimuth(x_180_over_pi, x0, yp1, zn1));
  outlet_anything(x->x_obj.ob_outlet, x->x_s_early2, 4, at);
SETFLOAT(at+1, 16.0f);
  SETFLOAT(at+2, cart2del_damp_3d_calc_elevation(x_180_over_pi, xn1, yp1, z0));
  SETFLOAT(at+3, cart2del_damp_3d_calc_azimuth(x_180_over_pi, xn1, yp1, z0));
  outlet_anything(x->x_obj.ob_outlet, x->x_s_early2, 4, at);
SETFLOAT(at+1, 17.0f);
  SETFLOAT(at+2, cart2del_damp_3d_calc_elevation(x_180_over_pi, xn1, y0, zp1));
  SETFLOAT(at+3, cart2del_damp_3d_calc_azimuth(x_180_over_pi, xn1, y0, zp1));
  outlet_anything(x->x_obj.ob_outlet, x->x_s_early2, 4, at);
SETFLOAT(at+1, 18.0f);
  SETFLOAT(at+2, cart2del_damp_3d_calc_elevation(x_180_over_pi, x0, yn1, zp1));
  SETFLOAT(at+3, cart2del_damp_3d_calc_azimuth(x_180_over_pi, x0, yn1, zp1));
  outlet_anything(x->x_obj.ob_outlet, x->x_s_early2, 4, at);
}
static void cart2del_damp_3d_src_xyz(t_cart2del_damp_3d *x, t_symbol *s, int argc, t_atom *argv)
{
  if((argc >= 3)&&IS_A_FLOAT(argv, 0)&&IS_A_FLOAT(argv, 1)&&IS_A_FLOAT(argv, 2))
  {
    t_float xr2=0.5f*x->x_room_x, yr2=0.5f*x->x_room_y;
x->x_src_x = atom_getfloat(argv++);
    x->x_src_y = atom_getfloat(argv++);
    x->x_src_z = atom_getfloat(argv);
    if(x->x_src_x > xr2)
      x->x_src_x = xr2;
    if(x->x_src_x < -xr2)
      x->x_src_x = -xr2;
    if(x->x_src_y > yr2)
      x->x_src_y = yr2;
    if(x->x_src_y < -yr2)
      x->x_src_y = -yr2;
    if(x->x_src_z > x->x_room_z)
      x->x_src_z = x->x_room_z;
    if(x->x_src_z < 0.0f)
      x->x_src_z = 0.0f;
    clock_delay(x->x_clock, 0.0f);
  }
}
static void cart2del_damp_3d_head_xyz(t_cart2del_damp_3d *x, t_symbol *s, int argc, t_atom *argv)
{
  if((argc >= 3)&&IS_A_FLOAT(argv, 0)&&IS_A_FLOAT(argv, 1)&&IS_A_FLOAT(argv, 2))
  {
    t_float xr2=0.5f*x->x_room_x, yr2=0.5f*x->x_room_y;
x->x_head_x = atom_getfloat(argv++);
    x->x_head_y = atom_getfloat(argv++);
    x->x_head_z = atom_getfloat(argv);
    if(x->x_head_x > xr2)
      x->x_head_x = xr2;
    if(x->x_head_x < -xr2)
      x->x_head_x = -xr2;
    if(x->x_head_y > yr2)
      x->x_head_y = yr2;
    if(x->x_head_y < -yr2)
      x->x_head_y = -yr2;
    if(x->x_head_z > x->x_room_z)
      x->x_head_z = x->x_room_z;
    if(x->x_head_z < 0.0f)
      x->x_head_z = 0.0f;
    clock_delay(x->x_clock, 0.0f);
  }
}
static void cart2del_damp_3d_room_dim(t_cart2del_damp_3d *x, t_symbol *s, int argc, t_atom *argv)
{
  if((argc >= 3)&&IS_A_FLOAT(argv, 0)&&IS_A_FLOAT(argv, 1)&&IS_A_FLOAT(argv, 2))
  {
    x->x_room_x = atom_getfloat(argv++);
    x->x_room_y = atom_getfloat(argv++);
    x->x_room_z = atom_getfloat(argv);
    if(x->x_room_x < 0.5f)
      x->x_room_x = 0.5f;
    if(x->x_room_y < 0.5f)
      x->x_room_y = 0.5f;
    if(x->x_room_z < 0.5f)
      x->x_room_z = 0.5f;
    clock_delay(x->x_clock, 0.0f);
  }
}
static void cart2del_damp_3d_r_ambi(t_cart2del_damp_3d *x, t_floatarg r_ambi)
{
  if(r_ambi < 0.1f)
    r_ambi = 0.1f;
  x->x_r_ambi = r_ambi;
  clock_delay(x->x_clock, 0.0f);
}
static void cart2del_damp_3d_sonic_speed(t_cart2del_damp_3d *x, t_floatarg speed)
{
  if(speed < 10.0f)
    speed = 10.0f;
  if(speed > 2000.0f)
    speed = 2000.0f;
  x->x_speed = speed;
  clock_delay(x->x_clock, 0.0f);
}
static void cart2del_damp_3d_free(t_cart2del_damp_3d *x)
{
  clock_free(x->x_clock);
}
static void *cart2del_damp_3d_new(t_symbol *s, int argc, t_atom *argv)
{
  t_cart2del_damp_3d *x = (t_cart2del_damp_3d *)pd_new(cart2del_damp_3d_class);
x->x_room_x = 12.0f;
  x->x_room_y = 8.0f;
  x->x_room_z = 4.0f;
  x->x_head_x = 0.0f;
  x->x_head_y = 0.0f;
  x->x_head_z = 1.7f;
  x->x_src_x = 3.0f;
  x->x_src_y = 0.5f;
  x->x_src_z = 2.5f;
  x->x_r_ambi = 1.4f;
  x->x_speed = 340.0f;
  x->x_s_direct = gensym("direct");
  x->x_s_early1 = gensym("early1");
  x->x_s_early2 = gensym("early2");
  x->x_s_del = gensym("del");
  x->x_s_damp = gensym("damp");
  x->x_s_index_theta_phi = gensym("index_theta_phi");
  outlet_new(&x->x_obj, &s_list);
  x->x_clock = clock_new(x, (t_method)cart2del_damp_3d_doit);
  x->x_180_over_pi  = (t_float)(180.0 / (4.0 * atan(1.0)));
  return (x);
}
void cart2del_damp_3d_setup(void)
{
  cart2del_damp_3d_class = class_new(gensym("cart2del_damp_3d"), (t_newmethod)cart2del_damp_3d_new, (t_method)cart2del_damp_3d_free,
    sizeof(t_cart2del_damp_3d), 0, A_GIMME, 0);
  class_addmethod(cart2del_damp_3d_class, (t_method)cart2del_damp_3d_src_xyz, gensym("src_xyz"), A_GIMME, 0);
  class_addmethod(cart2del_damp_3d_class, (t_method)cart2del_damp_3d_head_xyz, gensym("head_xyz"), A_GIMME, 0);
  class_addmethod(cart2del_damp_3d_class, (t_method)cart2del_damp_3d_room_dim, gensym("room_dim"), A_GIMME, 0);
  class_addmethod(cart2del_damp_3d_class, (t_method)cart2del_damp_3d_sonic_speed, gensym("sonic_speed"), A_FLOAT, 0);
  class_addmethod(cart2del_damp_3d_class, (t_method)cart2del_damp_3d_r_ambi, gensym("r_ambi"), A_FLOAT, 0);
  class_sethelpsymbol(cart2del_damp_3d_class, gensym("iemhelp2/cart2del_damp_3d-help"));
}
--- NEW FILE: cart2del_damp_2d.c ---
/* For information on usage and redistribution, and for a DISCLAIMER OF ALL
* WARRANTIES, see the file, "LICENSE.txt," in this distribution.
iem_roomsim written by Thomas Musil (c) IEM KUG Graz Austria 2002 - 2006 */
#include "m_pd.h"
#include "iemlib.h"
#include <math.h>
/* -------------------------- cart2del_damp_2d ------------------------------ */
/*
**  pos. x-Richtung Nase
**  pos. y-Richtung Linke Hand
**  pos. z-Richtung Scheitel
**  Kartesischer Koordinaten-Ursprung liegt in der Mitte des Raums am Boden
aenderungen: src-index von 1 .. n auf 0 .. (n-1)
  aenderungen: azimuth von rad auf degree
*/
/*
Reihenfolge der bundle-sektoren: index phi:
1 0
    2 45
    3 90
    4 135
    5 180
    6 225
    7 270
    8 315
1. und 2. reflexionen:
+x
          5
       9  1 11
+y  6  2  0  4  8
      12  3 10
          7
*/
typedef struct _cart2del_damp_2d
{
  t_object  x_obj;
  t_symbol  *x_s_direct;
  t_symbol  *x_s_early1;
  t_symbol  *x_s_early2;
  t_symbol  *x_s_del;
  t_symbol  *x_s_damp;
  t_symbol  *x_s_index_phi;
  t_float   x_room_x;
  t_float   x_room_y;
  t_float   x_head_x;
  t_float   x_head_y;
  t_float   x_src_x;
  t_float   x_src_y;
  t_float   x_r_ambi;
  t_float   x_speed;
  t_float   x_180_over_pi;
  void      *x_clock;
} t_cart2del_damp_2d;
static t_class *cart2del_damp_2d_class;
static t_float cart2del_damp_2d_calc_radius(t_floatarg r_ambi, t_floatarg dx, t_floatarg dy)
{
  t_float r = (t_float)sqrt(dx*dx + dy*dy);
if(r < r_ambi)
    return(r_ambi);
  else
    return(r);
}
static t_float cart2del_damp_2d_calc_azimuth(t_floatarg x_180_over_pi, t_floatarg dx, t_floatarg dy)/*changes*/
{
  if(dx == 0.0f)
  {
    if(dy < 0.0f)
      return(270.0f);
    else
      return(90.0f);
  }
  else if(dx < 0.0f)
  {
    return(180.0f + x_180_over_pi * (t_float)atan(dy / dx));
  }
  else
  {
    if(dy < 0.0f)
      return(360.0f + x_180_over_pi * (t_float)atan(dy / dx));
    else
      return(x_180_over_pi * (t_float)atan(dy / dx));
  }
}
static void cart2del_damp_2d_doit(t_cart2del_damp_2d *x)
{
  t_float diff_x, diff_y;
  t_float sum_x, sum_y;
  t_float lx, wy;
  t_float x0, y0;
  t_float xp1, yp1;
  t_float xn1, yn1;
  t_float xp2, yp2;
  t_float xn2, yn2;
  t_float m2ms = 1000.0f / x->x_speed;
  t_float x_180_over_pi=x->x_180_over_pi;
  t_float r_ambi = x->x_r_ambi;
  t_float rad[20];
  t_atom at[20];
lx = x->x_room_x;
  wy = x->x_room_y;
diff_x = x->x_src_x - x->x_head_x;
  diff_y = x->x_src_y - x->x_head_y;
  sum_x = x->x_src_x + x->x_head_x;
  sum_y = x->x_src_y + x->x_head_y;
x0 = diff_x;
  y0 = diff_y;
  xp1 = lx - sum_x;
  yp1 = wy - sum_y;
  xn1 = -lx - sum_x;
  yn1 = -wy - sum_y;
  xp2 = 2.0f*lx + diff_x;
  yp2 = 2.0f*wy + diff_y;
  xn2 = -2.0f*lx + diff_x;
  yn2 = -2.0f*wy + diff_y;
rad[0] = cart2del_damp_2d_calc_radius(r_ambi, x0, y0);
  rad[1] = cart2del_damp_2d_calc_radius(r_ambi, xp1, y0);
  rad[2] = cart2del_damp_2d_calc_radius(r_ambi, x0, yp1);
  rad[3] = cart2del_damp_2d_calc_radius(r_ambi, xn1, y0);
  rad[4] = cart2del_damp_2d_calc_radius(r_ambi, x0, yn1);
  rad[5] = cart2del_damp_2d_calc_radius(r_ambi, xp2, y0);
  rad[6] = cart2del_damp_2d_calc_radius(r_ambi, x0, yp2);
  rad[7] = cart2del_damp_2d_calc_radius(r_ambi, xn2, y0);
  rad[8] = cart2del_damp_2d_calc_radius(r_ambi, x0, yn2);
  rad[9] = cart2del_damp_2d_calc_radius(r_ambi, xp1, yp1);
  rad[10] = cart2del_damp_2d_calc_radius(r_ambi, xn1, yn1);
  rad[11] = cart2del_damp_2d_calc_radius(r_ambi, xp1, yn1);
  rad[12] = cart2del_damp_2d_calc_radius(r_ambi, xn1, yp1);
/* delay-reihenfolge: 0,
  +1x, +1y, -1x, -1y
  +2x, +2y, -2x, -2y
  +1x+1y, -1x-1y
  +1x-1y, -1x+1y
  */
SETSYMBOL(at, x->x_s_del);
SETFLOAT(at+1, rad[0] * m2ms);
  outlet_anything(x->x_obj.ob_outlet, x->x_s_direct, 2, at);
SETFLOAT(at+1, rad[1] *m2ms);
  SETFLOAT(at+2, rad[2] *m2ms);
  SETFLOAT(at+3, rad[3] *m2ms);
  SETFLOAT(at+4, rad[4] *m2ms);
  outlet_anything(x->x_obj.ob_outlet, x->x_s_early1, 5, at);
SETFLOAT(at+1, rad[5] *m2ms);
  SETFLOAT(at+2, rad[6] *m2ms);
  SETFLOAT(at+3, rad[7] *m2ms);
  SETFLOAT(at+4, rad[8] *m2ms);
  SETFLOAT(at+5, rad[9] *m2ms);
  SETFLOAT(at+6, rad[10] *m2ms);
  SETFLOAT(at+7, rad[11] *m2ms);
  SETFLOAT(at+8, rad[12] *m2ms);
  outlet_anything(x->x_obj.ob_outlet, x->x_s_early2, 9, at);
/* daempfungs-reihenfolge:
  0,
  +1x, +1y, -1x, -1y
  +2x, +2y, -2x, -2y
  +1x+1y, -1x-1y
  +1x-1y, -1x+1y
  */
SETSYMBOL(at, x->x_s_damp);
SETFLOAT(at+1, r_ambi / rad[0]);
  outlet_anything(x->x_obj.ob_outlet, x->x_s_direct, 2, at);
SETFLOAT(at+1, r_ambi / rad[1]);
  SETFLOAT(at+2, r_ambi / rad[2]);
  SETFLOAT(at+3, r_ambi / rad[3]);
  SETFLOAT(at+4, r_ambi / rad[4]);
  outlet_anything(x->x_obj.ob_outlet, x->x_s_early1, 5, at);
SETFLOAT(at+1, r_ambi / rad[5]);
  SETFLOAT(at+2, r_ambi / rad[6]);
  SETFLOAT(at+3, r_ambi / rad[7]);
  SETFLOAT(at+4, r_ambi / rad[8]);
  SETFLOAT(at+5, r_ambi / rad[9]);
  SETFLOAT(at+6, r_ambi / rad[10]);
  SETFLOAT(at+7, r_ambi / rad[11]);
  SETFLOAT(at+8, r_ambi / rad[12]);
  outlet_anything(x->x_obj.ob_outlet, x->x_s_early2, 9, at);
/* encoder-winkel-reihenfolge: index delta phi
  0,
  +1x, +1y, -1x, -1y
  +2x, +2y, -2x, -2y
  +1x+1y, -1x-1y
  +1x-1y, -1x+1y
  */
SETSYMBOL(at, x->x_s_index_phi);
SETFLOAT(at+1, 1.0f);
  SETFLOAT(at+2, cart2del_damp_2d_calc_azimuth(x_180_over_pi, x0, y0));
  outlet_anything(x->x_obj.ob_outlet, x->x_s_direct, 3, at);
SETFLOAT(at+1, 1.0f);
  SETFLOAT(at+2, cart2del_damp_2d_calc_azimuth(x_180_over_pi, xp1, y0));
  outlet_anything(x->x_obj.ob_outlet, x->x_s_early1, 3, at);
SETFLOAT(at+1, 2.0f);
  SETFLOAT(at+2, cart2del_damp_2d_calc_azimuth(x_180_over_pi, x0, yp1));
  outlet_anything(x->x_obj.ob_outlet, x->x_s_early1, 3, at);
SETFLOAT(at+1, 3.0f);
  SETFLOAT(at+2, cart2del_damp_2d_calc_azimuth(x_180_over_pi, xn1, y0));
  outlet_anything(x->x_obj.ob_outlet, x->x_s_early1, 3, at);
SETFLOAT(at+1, 4.0f);
  SETFLOAT(at+2, cart2del_damp_2d_calc_azimuth(x_180_over_pi, x0, yn1));
  outlet_anything(x->x_obj.ob_outlet, x->x_s_early1, 3, at);
SETFLOAT(at+1, 1.0f);
  SETFLOAT(at+2, cart2del_damp_2d_calc_azimuth(x_180_over_pi, xp2, y0));
  outlet_anything(x->x_obj.ob_outlet, x->x_s_early2, 3, at);
SETFLOAT(at+1, 2.0f);
  SETFLOAT(at+2, cart2del_damp_2d_calc_azimuth(x_180_over_pi, x0, yp2));
  outlet_anything(x->x_obj.ob_outlet, x->x_s_early2, 3, at);
SETFLOAT(at+1, 3.0f);
  SETFLOAT(at+2, cart2del_damp_2d_calc_azimuth(x_180_over_pi, xn2, y0));
  outlet_anything(x->x_obj.ob_outlet, x->x_s_early2, 3, at);
SETFLOAT(at+1, 4.0f);
  SETFLOAT(at+2, cart2del_damp_2d_calc_azimuth(x_180_over_pi, x0, yn2));
  outlet_anything(x->x_obj.ob_outlet, x->x_s_early2, 3, at);
SETFLOAT(at+1, 5.0f);
  SETFLOAT(at+2, cart2del_damp_2d_calc_azimuth(x_180_over_pi, xp1, yp1));
  outlet_anything(x->x_obj.ob_outlet, x->x_s_early2, 3, at);
SETFLOAT(at+1, 6.0f);
  SETFLOAT(at+2, cart2del_damp_2d_calc_azimuth(x_180_over_pi, xn1, yn1));
  outlet_anything(x->x_obj.ob_outlet, x->x_s_early2, 3, at);
SETFLOAT(at+1, 7.0f);
  SETFLOAT(at+2, cart2del_damp_2d_calc_azimuth(x_180_over_pi, xp1, yn1));
  outlet_anything(x->x_obj.ob_outlet, x->x_s_early2, 3, at);
SETFLOAT(at+1, 8.0f);
  SETFLOAT(at+2, cart2del_damp_2d_calc_azimuth(x_180_over_pi, xn1, yp1));
  outlet_anything(x->x_obj.ob_outlet, x->x_s_early2, 3, at);
}
static void cart2del_damp_2d_src_xy(t_cart2del_damp_2d *x, t_symbol *s, int argc, t_atom *argv)
{
  if((argc >= 2)&&IS_A_FLOAT(argv, 0)&&IS_A_FLOAT(argv, 1))
  {
    t_float xr2=0.5f*x->x_room_x, yr2=0.5f*x->x_room_y;
x->x_src_x = atom_getfloat(argv++);
    x->x_src_y = atom_getfloat(argv);
    if(x->x_src_x > xr2)
      x->x_src_x = xr2;
    if(x->x_src_x < -xr2)
      x->x_src_x = -xr2;
    if(x->x_src_y > yr2)
      x->x_src_y = yr2;
    if(x->x_src_y < -yr2)
      x->x_src_y = -yr2;
    clock_delay(x->x_clock, 0.0f);
  }
}
static void cart2del_damp_2d_head_xy(t_cart2del_damp_2d *x, t_symbol *s, int argc, t_atom *argv)
{
  if((argc >= 2)&&IS_A_FLOAT(argv, 0)&&IS_A_FLOAT(argv, 1))
  {
    t_float xr2=0.5f*x->x_room_x, yr2=0.5f*x->x_room_y;
x->x_head_x = atom_getfloat(argv++);
    x->x_head_y = atom_getfloat(argv);
    if(x->x_head_x > xr2)
      x->x_head_x = xr2;
    if(x->x_head_x < -xr2)
      x->x_head_x = -xr2;
    if(x->x_head_y > yr2)
      x->x_head_y = yr2;
    if(x->x_head_y < -yr2)
      x->x_head_y = -yr2;
    clock_delay(x->x_clock, 0.0f);
  }
}
static void cart2del_damp_2d_room_dim(t_cart2del_damp_2d *x, t_symbol *s, int argc, t_atom *argv)
{
  if((argc >= 2)&&IS_A_FLOAT(argv, 0)&&IS_A_FLOAT(argv, 1))
  {
    x->x_room_x = atom_getfloat(argv++);
    x->x_room_y = atom_getfloat(argv);
    if(x->x_room_x < 0.5f)
      x->x_room_x = 0.5f;
    if(x->x_room_y < 0.5f)
      x->x_room_y = 0.5f;
    clock_delay(x->x_clock, 0.0f);
  }
}
static void cart2del_damp_2d_r_ambi(t_cart2del_damp_2d *x, t_floatarg r_ambi)
{
  if(r_ambi < 0.1f)
    r_ambi = 0.1f;
  x->x_r_ambi = r_ambi;
  clock_delay(x->x_clock, 0.0f);
}
static void cart2del_damp_2d_sonic_speed(t_cart2del_damp_2d *x, t_floatarg speed)
{
  if(speed < 10.0f)
    speed = 10.0f;
  if(speed > 2000.0f)
    speed = 2000.0f;
  x->x_speed = speed;
  clock_delay(x->x_clock, 0.0f);
}
static void cart2del_damp_2d_free(t_cart2del_damp_2d *x)
{
  clock_free(x->x_clock);
}
static void *cart2del_damp_2d_new(t_symbol *s, int argc, t_atom *argv)
{
  t_cart2del_damp_2d *x = (t_cart2del_damp_2d *)pd_new(cart2del_damp_2d_class);
x->x_room_x = 12.0f;
  x->x_room_y = 8.0f;
  x->x_head_x = 0.0f;
  x->x_head_y = 0.0f;
  x->x_src_x = 3.0f;
  x->x_src_y = 0.5f;
  x->x_r_ambi = 1.4f;
  x->x_speed = 340.0f;
  x->x_s_direct = gensym("direct");
  x->x_s_early1 = gensym("early1");
  x->x_s_early2 = gensym("early2");
  x->x_s_damp = gensym("damp");
  x->x_s_del = gensym("del");
  x->x_s_index_phi = gensym("index_phi");
  outlet_new(&x->x_obj, &s_list);
  x->x_clock = clock_new(x, (t_method)cart2del_damp_2d_doit);
  x->x_180_over_pi  = (t_float)(180.0 / (4.0 * atan(1.0)));
  return (x);
}
void cart2del_damp_2d_setup(void)
{
  cart2del_damp_2d_class = class_new(gensym("cart2del_damp_2d"), (t_newmethod)cart2del_damp_2d_new, (t_method)cart2del_damp_2d_free,
    sizeof(t_cart2del_damp_2d), 0, A_GIMME, 0);
  class_addmethod(cart2del_damp_2d_class, (t_method)cart2del_damp_2d_src_xy, gensym("src_xy"), A_GIMME, 0);
  class_addmethod(cart2del_damp_2d_class, (t_method)cart2del_damp_2d_head_xy, gensym("head_xy"), A_GIMME, 0);
  class_addmethod(cart2del_damp_2d_class, (t_method)cart2del_damp_2d_room_dim, gensym("room_dim"), A_GIMME, 0);
  class_addmethod(cart2del_damp_2d_class, (t_method)cart2del_damp_2d_sonic_speed, gensym("sonic_speed"), A_FLOAT, 0);
  class_addmethod(cart2del_damp_2d_class, (t_method)cart2del_damp_2d_r_ambi, gensym("r_ambi"), A_FLOAT, 0);
  class_sethelpsymbol(cart2del_damp_2d_class, gensym("iemhelp2/cart2del_damp_2d-help"));
}
--- NEW FILE: makefile_win ---
all: ..\iem_roomsim.dll
VIS_CPP_PATH = "C:\Programme\Microsoft Visual Studio\Vc98"
PD_INST_PATH = "C:\Programme\pd-0.39-2"
PD_WIN_INCLUDE_PATH = /I. /I$(PD_INST_PATH)\src /I$(VIS_CPP_PATH)\include
PD_WIN_C_FLAGS = /nologo /W3 /WX /DMSW /DNT /DPD /DWIN32 /DWINDOWS /Ox -DPA_LITTLE_ENDIAN
PD_WIN_L_FLAGS = /nologo
PD_WIN_LIB = /NODEFAULTLIB:libc /NODEFAULTLIB:oldnames /NODEFAULTLIB:kernel /NODEFAULTLIB:uuid \
    $(VIS_CPP_PATH)\lib\libc.lib \
    $(VIS_CPP_PATH)\lib\oldnames.lib \
    $(VIS_CPP_PATH)\lib\kernel32.lib \
    $(VIS_CPP_PATH)\lib\wsock32.lib \
    $(VIS_CPP_PATH)\lib\winmm.lib \
    $(PD_INST_PATH)\bin\pthreadVC.lib \
    $(PD_INST_PATH)\bin\pd.lib
SRC =	early_reflections_3d.c \
    early_reflections_2d.c \
    cart2del_damp_2d.c \
    cart2del_damp_3d.c \
    iem_roomsim.c
OBJ = $(SRC:.c=.obj)
.c.obj:
    cl $(PD_WIN_C_FLAGS) $(PD_WIN_INCLUDE_PATH) /c $*.c
..\iem_roomsim.dll: $(OBJ)
    link $(PD_WIN_L_FLAGS) /dll /export:iem_roomsim_setup \
    /out:..\iem_roomsim.dll $(OBJ) $(PD_WIN_LIB)
clean:
    del *.obj
--- NEW FILE: makefile ---
current: all
.SUFFIXES: .pd_linux
INCLUDE = -I. -I/usr/local/src/pd/src
LDFLAGS = -export-dynamic -shared
LIB = -ldl -lm -lpthread
#select either the DBG and OPT compiler flags below:
CFLAGS = -DPD -DUNIX -W -Werror -Wno-unused \
    -Wno-parentheses -Wno-switch -O6 -funroll-loops -fomit-frame-pointer -fno-strict-aliasing \
        -DDL_OPEN
SYSTEM = $(shell uname -m)
# the sources
SRC = early_reflections_3d.c \
    early_reflections_2d.c \
    cart2del_damp_2d.c \
    cart2del_damp_3d.c \
    iem_roomsim.c
TARGET = iem_roomsim.pd_linux
OBJ = $(SRC:.c=.o)
#
#  ------------------ targets ------------------------------------
#
clean:
    rm ..$(TARGET)
    rm *.o
all: $(OBJ)
    @echo :: $(OBJ)
    $(LD) $(LDFLAGS) -o $(TARGET) *.o $(LIB)
    strip --strip-unneeded $(TARGET)
    mv $(TARGET) ..
$(OBJ) : %.o : %.c
    $(CC) $(CFLAGS) $(INCLUDE) -c -o $*.o $*.c
--- NEW FILE: iem_roomsim.dsw ---
(This appears to be a binary file; contents omitted.)
--- NEW FILE: iem_roomsim.c ---
/* For information on usage and redistribution, and for a DISCLAIMER OF ALL
* WARRANTIES, see the file, "LICENSE.txt," in this distribution.
iem_roomsim written by Thomas Musil (c) IEM KUG Graz Austria 2002 - 2006 */
#include "m_pd.h"
#include "iemlib.h"
static t_class *iem_roomsim_class;
static void *iem_roomsim_new(void)
{
  t_object *x = (t_object *)pd_new(iem_roomsim_class);
return (x);
}
void early_reflections_3d_setup(void);
void early_reflections_2d_setup(void);
void cart2del_damp_2d_setup(void);
void cart2del_damp_3d_setup(void);
/* ------------------------ setup routine ------------------------- */
void iem_roomsim_setup(void)
{
  early_reflections_3d_setup();
  early_reflections_2d_setup();
  cart2del_damp_2d_setup();
  cart2del_damp_3d_setup();
post("iem_roomsim (R-1.16) library loaded!   (c) Thomas Musil 05.2005");
  post("   musil%ciem.at iem KUG Graz Austria", '@');
}
--- NEW FILE: iemlib.h ---
/* For information on usage and redistribution, and for a DISCLAIMER OF ALL
* WARRANTIES, see the file, "LICENSE.txt," in this distribution.
iemlib.h written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2006 */
#ifndef __IEMLIB_H__
#define __IEMLIB_H__
#define IS_A_POINTER(atom,index) ((atom+index)->a_type == A_POINTER)
#define IS_A_FLOAT(atom,index) ((atom+index)->a_type == A_FLOAT)
#define IS_A_SYMBOL(atom,index) ((atom+index)->a_type == A_SYMBOL)
#define IS_A_DOLLAR(atom,index) ((atom+index)->a_type == A_DOLLAR)
#define IS_A_DOLLSYM(atom,index) ((atom+index)->a_type == A_DOLLSYM)
#define IS_A_SEMI(atom,index) ((atom+index)->a_type == A_SEMI)
#define IS_A_COMMA(atom,index) ((atom+index)->a_type == A_COMMA)
#ifdef NT
int sys_noloadbang;
//t_symbol *iemgui_key_sym=0;
#include <io.h>
#else
extern int sys_noloadbang;
//extern t_symbol *iemgui_key_sym;
#include <unistd.h>
#endif
#define DEFDELVS 64
#define XTRASAMPS 4
#define SAMPBLK 4
#define UNITBIT32 1572864.  /* 3*2^19; bit 32 has place value 1 */
/* machine-dependent definitions.  These ifdefs really
should have been by CPU type and not by operating system! */
#ifdef IRIX
/* big-endian.  Most significant byte is at low address in memory */
#define HIOFFSET 0    /* word offset to find MSB */
#define LOWOFFSET 1    /* word offset to find LSB */
#define int32 long  /* a data type that has 32 bits */
#else
#ifdef MSW
/* little-endian; most significant byte is at highest address */
#define HIOFFSET 1
#define LOWOFFSET 0
#define int32 long
#else
#ifdef __FreeBSD__
#include <machine/endian.h>
#if BYTE_ORDER == LITTLE_ENDIAN
#define HIOFFSET 1
#define LOWOFFSET 0
#else
#define HIOFFSET 0    /* word offset to find MSB */
#define LOWOFFSET 1    /* word offset to find LSB */
#endif /* BYTE_ORDER */
#include <sys/types.h>
#define int32 int32_t
#endif
#ifdef __linux__
#include <endian.h>
#if !defined(__BYTE_ORDER) || !defined(__LITTLE_ENDIAN)                         
#error No byte order defined                                                    
#endif
#if __BYTE_ORDER == __LITTLE_ENDIAN                                             
#define HIOFFSET 1                                                              
#define LOWOFFSET 0                                                             
#else                                                                           
#define HIOFFSET 0    /* word offset to find MSB */                             
#define LOWOFFSET 1    /* word offset to find LSB */                            
#endif /* __BYTE_ORDER */
#include <sys/types.h>
#define int32 int32_t
#else
#ifdef __APPLE__
#define HIOFFSET 0    /* word offset to find MSB */
#define LOWOFFSET 1    /* word offset to find LSB */
#define int32 int  /* a data type that has 32 bits */
#endif /* __APPLE__ */
#endif /* __linux__ */
#endif /* MSW */
#endif /* SGI */
union tabfudge
{
  double tf_d;
  int32 tf_i[2];
};
#define IEM_DENORMAL(f) ((((*(unsigned int*)&(f))&0x60000000)==0) || \
(((*(unsigned int*)&(f))&0x60000000)==0x60000000))
/* more stringent test: anything not between 1e-19 and 1e19 in absolute val */
#endif
--- NEW FILE: early_reflections_3d.c ---
/* For information on usage and redistribution, and for a DISCLAIMER OF ALL
* WARRANTIES, see the file, "LICENSE.txt," in this distribution.
iem_roomsim written by Thomas Musil (c) IEM KUG Graz Austria 2002 - 2006 */
#include "m_pd.h"
#include "iemlib.h"
#include <math.h>
/* -------------------------- early_reflections_3d ------------------------------ */
/*
**  pos. x-Richtung Nase
**  pos. y-Richtung Linke Hand
**  pos. z-Richtung Scheitel
**  Kartesischer Koordinaten-Ursprung liegt in der Mitte des Raums am Boden
*/
/*
Reihenfolge der bundle-sektoren: index delta phi:
1 90 0
  2 45 45
  3 45 135
  4 45 225
  5 45 315
  6 0 0
  7 0 45
  8 0 90
  9 0 135
  10 0 180
  11 0 225
  12 0 270
  13 0 315
  14 -45 45
  15 -45 135
  16 -45 225
  17 -45 315
top
+x
+y        9
+x
15
                      +y    23  3 14
                      24
+x
                          8
                          22  2 13
                          +y 10  4  0  1  7
                          16  5 19
                          11
+x
21
                              +y    17  6 20
                              18
+x
+y       12
*/
typedef struct _early_reflections_3d
{
  t_object  x_obj;
  t_atom    x_para_at[27];
  void      *x_direct_out;
  void      *x_early_out;
  void      *x_rev_out;
  t_symbol  *x_s_del0;
  t_symbol  *x_s_del1;
  t_symbol  *x_s_del2;
  t_symbol  *x_s_damp;
  t_symbol  *x_s_index_delta_phi;
  t_symbol  *x_s_bundle;
  t_float   x_room_x;
  t_float   x_room_y;
  t_float   x_room_z;
  t_float   x_head_x;
  t_float   x_head_y;
  t_float   x_head_z;
  int       x_n_src;
  int       x_bundle;
  t_float   x_src_x[30];
  t_float   x_src_y[30];
  t_float   x_src_z[30];
  t_float   x_r_ambi;
  t_float   x_speed;
  t_float   x_180_over_pi;
} t_early_reflections_3d;
static t_class *early_reflections_3d_class;
static t_float early_reflections_3d_calc_radius(t_floatarg r_ambi, t_floatarg dx, t_floatarg dy, t_floatarg dz)
{
  t_float r = (t_float)sqrt(dx*dx + dy*dy + dz*dz);
if(r < r_ambi)
    return(r_ambi);
  else
    return(r);
}
static t_float early_reflections_3d_calc_azimuth(t_floatarg x_180_over_pi, t_floatarg dx, t_floatarg dy, t_floatarg dz)
{
  if(dx == 0.0f)
  {
    if(dy < 0.0f)
      return(270.0f);
    else
      return(90.0f);
  }
  else if(dx < 0.0f)
  {
    return(180.0f + x_180_over_pi * (t_float)atan(dy / dx));
  }
  else
  {
    if(dy < 0.0f)
      return(360.0f + x_180_over_pi * (t_float)atan(dy / dx));
    else
      return(x_180_over_pi * (t_float)atan(dy / dx));
  }
}
static t_float early_reflections_3d_calc_elevation(t_floatarg x_180_over_pi, t_floatarg dx, t_floatarg dy, t_floatarg dz)/*changes*/
{
  t_float dxy = sqrt(dx*dx + dy*dy);
if(dxy == 0.0f)
  {
    if(dz < 0.0f)
      return(-90.0f);
    else
      return(90.0f);
  }
  else
  {
    return(x_180_over_pi * (t_float)atan(dz / dxy));
  }
}
static t_float early_reflections_3d_calc_bundle_index(t_floatarg delta, t_floatarg phi)/*changes*/
{
  if(delta > 67.5f)
    return(1.0f);
  else if(delta > 22.5f)
  {
    if(phi <= 180.0f)
    {
      if(phi <= 90.0f)
        return(2.0f);
      else
        return(3.0f);
    }
    else
    {
      if(phi <= 270.0f)
        return(4.0f);
      else
        return(5.0f);
    }
  }
  else if(delta > -22.5f)
  {
    phi += 22.5f;
    if(phi >= 360.0f)
      phi -= 360.0f;
if(phi <= 180.0f)
    {
      if(phi <= 90.0f)
      {
        if(phi <= 45.0f)/* 0 .. 45 */
          return(6.0f);
        else
          return(7.0f);
      }
      else
      {
        if(phi <= 135.0f)
          return(8.0f);
        else
          return(9.0f);
      }
    }
    else
    {
      if(phi <= 270.0f)
      {
        if(phi <= 225.0f)
          return(10.0f);
        else
          return(11.0f);
      }
      else
      {
        if(phi <= 315.0f)/* 270 .. 315 */
          return(12.0f);
        else
          return(13.0f);/* 315 .. 360 */
      }
    }
  }
  else
  {
    if(phi <= 180.0f)
    {
      if(phi <= 90.0f)
        return(14.0f);
      else
        return(15.0f);
    }
    else
    {
      if(phi <= 270.0f)
        return(16.0f);
      else
        return(17.0f);
    }
  }
}
static void early_reflections_3d_doit(t_early_reflections_3d *x)
{
  t_atom *at;
  t_float diff_x, diff_y, diff_z;
  t_float sum_x, sum_y, sum_z;
  t_float lx, wy, hz;
  t_float x0, y0, z0;
  t_float xp1, yp1, zp1;
  t_float xn1, yn1, zn1;
  t_float xp2, yp2, zp2;
  t_float xn2, yn2, zn2;
  t_float m2ms = 1000.0f / x->x_speed;
  t_float x_180_over_pi=x->x_180_over_pi;
  t_float r_ambi = x->x_r_ambi;
  t_float rad[50], delta[50], phi[50];
  int n_src=x->x_n_src;
  int i;
  /*t_float hz2 = 0.5f*x->x_room_z;
diff_x = x->x_src_x - x->x_head_x;
    diff_y = x->x_src_y - x->x_head_y;
    diff_z = (x->x_src_z - hz2) - (x->x_head_z - hz2);
    sum_x = x->x_src_x + x->x_head_x;
    sum_y = x->x_src_y + x->x_head_y;
  sum_z = (x->x_src_z - hz2) + (x->x_head_z - hz2);*/
lx = x->x_room_x;
  wy = x->x_room_y;
  hz = x->x_room_z;
SETFLOAT(x->x_para_at, early_reflections_3d_calc_radius(r_ambi, lx, wy, hz)*m2ms);
  outlet_anything(x->x_rev_out, x->x_s_del0, 1, x->x_para_at);
for(i=0; i<n_src; i++)
  {
    diff_x = x->x_src_x[i] - x->x_head_x;
    diff_y = x->x_src_y[i] - x->x_head_y;
    diff_z = x->x_src_z[i] - x->x_head_z;
    sum_x = x->x_src_x[i] + x->x_head_x;
    sum_y = x->x_src_y[i] + x->x_head_y;
    sum_z = x->x_src_z[i] + x->x_head_z - hz;
x0 = diff_x;
    y0 = diff_y;
    z0 = diff_z;
    xp1 = lx - sum_x;
    yp1 = wy - sum_y;
    zp1 = hz - sum_z;
    xn1 = -lx - sum_x;
    yn1 = -wy - sum_y;
    zn1 = -hz - sum_z;
    xp2 = 2.0f*lx + diff_x;
    yp2 = 2.0f*wy + diff_y;
    zp2 = 2.0f*hz + diff_z;
    xn2 = -2.0f*lx + diff_x;
    yn2 = -2.0f*wy + diff_y;
    zn2 = -2.0f*hz + diff_z;
rad[0] = early_reflections_3d_calc_radius(r_ambi, x0, y0, z0);
    rad[1] = early_reflections_3d_calc_radius(r_ambi, xp1, y0, z0);
    rad[2] = early_reflections_3d_calc_radius(r_ambi, x0, yp1, z0);
    rad[3] = early_reflections_3d_calc_radius(r_ambi, x0, y0, zp1);
    rad[4] = early_reflections_3d_calc_radius(r_ambi, xn1, y0, z0);
    rad[5] = early_reflections_3d_calc_radius(r_ambi, x0, yn1, z0);
    rad[6] = early_reflections_3d_calc_radius(r_ambi, x0, y0, zn1);
    rad[7] = early_reflections_3d_calc_radius(r_ambi, xp2, y0, z0);
    rad[8] = early_reflections_3d_calc_radius(r_ambi, x0, yp2, z0);
    rad[9] = early_reflections_3d_calc_radius(r_ambi, x0, y0, zp2);
    rad[10] = early_reflections_3d_calc_radius(r_ambi, xn2, y0, z0);
    rad[11] = early_reflections_3d_calc_radius(r_ambi, x0, yn2, z0);
    rad[12] = early_reflections_3d_calc_radius(r_ambi, x0, y0, zn2);
    rad[13] = early_reflections_3d_calc_radius(r_ambi, xp1, yp1, z0);
    rad[14] = early_reflections_3d_calc_radius(r_ambi, xp1, y0, zp1);
    rad[15] = early_reflections_3d_calc_radius(r_ambi, x0, yp1, zp1);
    rad[16] = early_reflections_3d_calc_radius(r_ambi, xn1, yn1, z0);
    rad[17] = early_reflections_3d_calc_radius(r_ambi, xn1, y0, zn1);
    rad[18] = early_reflections_3d_calc_radius(r_ambi, x0, yn1, zn1);
    rad[19] = early_reflections_3d_calc_radius(r_ambi, xp1, yn1, z0);
    rad[20] = early_reflections_3d_calc_radius(r_ambi, xp1, y0, zn1);
    rad[21] = early_reflections_3d_calc_radius(r_ambi, x0, yp1, zn1);
    rad[22] = early_reflections_3d_calc_radius(r_ambi, xn1, yp1, z0);
    rad[23] = early_reflections_3d_calc_radius(r_ambi, xn1, y0, zp1);
    rad[24] = early_reflections_3d_calc_radius(r_ambi, x0, yn1, zp1);
/* delay-reihenfolge: 0 auslassen,
    +1x, +1y, +1z, -1x, -1y, -1z
    +2x, +2y, +2z, -2x, -2y, -2z
    +1x+1y, +1x+1z, +1y+1z
    -1x-1y, -1x-1z, -1y-1z
    +1x-1y, +1x-1z, +1y-1z
    -1x+1y, -1x+1z, -1y+1z
    */
at = x->x_para_at;
    SETFLOAT(at, (t_float)(i+1));/*changes*/
    at++;
    SETFLOAT(at, rad[0] * m2ms);
    outlet_anything(x->x_direct_out, x->x_s_del0, 2, x->x_para_at);
at = x->x_para_at+1;
    SETFLOAT(at, rad[1] *m2ms);
    at++;
    SETFLOAT(at, rad[2] *m2ms);
    at++;
    SETFLOAT(at, rad[3] *m2ms);
    at++;
    SETFLOAT(at, rad[4] *m2ms);
    at++;
    SETFLOAT(at, rad[5] *m2ms);
    at++;
    SETFLOAT(at, rad[6] *m2ms);
    outlet_anything(x->x_early_out, x->x_s_del1, 7, x->x_para_at);
at = x->x_para_at+1;
    SETFLOAT(at, rad[7] *m2ms);
    at++;
    SETFLOAT(at, rad[8] *m2ms);
    at++;
    SETFLOAT(at, rad[9] *m2ms);
    at++;
    SETFLOAT(at, rad[10] *m2ms);
    at++;
    SETFLOAT(at, rad[11] *m2ms);
    at++;
    SETFLOAT(at, rad[12] *m2ms);
    at++;
    SETFLOAT(at, rad[13] *m2ms);
    at++;
    SETFLOAT(at, rad[14] *m2ms);
    at++;
    SETFLOAT(at, rad[15] *m2ms);
    at++;
    SETFLOAT(at, rad[16] *m2ms);
    at++;
    SETFLOAT(at, rad[17] *m2ms);
    at++;
    SETFLOAT(at, rad[18] *m2ms);
    at++;
    SETFLOAT(at, rad[19] *m2ms);
    at++;
    SETFLOAT(at, rad[20] *m2ms);
    at++;
    SETFLOAT(at, rad[21] *m2ms);
    at++;
    SETFLOAT(at, rad[22] *m2ms);
    at++;
    SETFLOAT(at, rad[23] *m2ms);
    at++;
    SETFLOAT(at, rad[24] *m2ms);
    outlet_anything(x->x_early_out, x->x_s_del2, 19, x->x_para_at);
/* daempfungs-reihenfolge:
    0,
    +1x, +1y, +1z, -1x, -1y, -1z
+2x, +2y, +2z, -2x, -2y, -2z
      +1x+1y, +1x+1z, +1y+1z
      -1x-1y, -1x-1z, -1y-1z
      +1x-1y, +1x-1z, +1y-1z
      -1x+1y, -1x+1z, -1y+1z
    */
at = x->x_para_at+1;
    SETFLOAT(at, r_ambi / rad[0]);
    outlet_anything(x->x_direct_out, x->x_s_damp, 2, x->x_para_at);
at = x->x_para_at+1;
    SETFLOAT(at, r_ambi / rad[1]);
    at++;
    SETFLOAT(at, r_ambi / rad[2]);
    at++;
    SETFLOAT(at, r_ambi / rad[3]);
    at++;
    SETFLOAT(at, r_ambi / rad[4]);
    at++;
    SETFLOAT(at, r_ambi / rad[5]);
    at++;
    SETFLOAT(at, r_ambi / rad[6]);
    at++;
SETFLOAT(at, r_ambi / rad[7]);
    at++;
    SETFLOAT(at, r_ambi / rad[8]);
    at++;
    SETFLOAT(at, r_ambi / rad[9]);
    at++;
SETFLOAT(at, r_ambi / rad[10]);
    at++;
    SETFLOAT(at, r_ambi / rad[11]);
    at++;
    SETFLOAT(at, r_ambi / rad[12]);
    at++;
SETFLOAT(at, r_ambi / rad[13]);
    at++;
    SETFLOAT(at, r_ambi / rad[14]);
    at++;
    SETFLOAT(at, r_ambi / rad[15]);
    at++;
SETFLOAT(at, r_ambi / rad[16]);
    at++;
    SETFLOAT(at, r_ambi / rad[17]);
    at++;
    SETFLOAT(at, r_ambi / rad[18]);
    at++;
SETFLOAT(at, r_ambi / rad[19]);
    at++;
    SETFLOAT(at, r_ambi / rad[20]);
    at++;
    SETFLOAT(at, r_ambi / rad[21]);
    at++;
SETFLOAT(at, r_ambi / rad[22]);
    at++;
    SETFLOAT(at, r_ambi / rad[23]);
    at++;
    SETFLOAT(at, r_ambi / rad[24]);
outlet_anything(x->x_early_out, x->x_s_damp, 25, x->x_para_at);
/* encoder-winkel-reihenfolge: index delta phi
    0,
    +1x, +1y, +1z, -1x, -1y, -1z
    +2x, +2y, +2z, -2x, -2y, -2z
    +1x+1y, +1x+1z, +1y+1z
    -1x-1y, -1x-1z, -1y-1z
    +1x-1y, +1x-1z, +1y-1z
    -1x+1y, -1x+1z, -1y+1z
    */
at = x->x_para_at+1;
    SETFLOAT(at, early_reflections_3d_calc_elevation(x_180_over_pi, x0, y0, z0));
    at++;
    SETFLOAT(at, early_reflections_3d_calc_azimuth(x_180_over_pi, x0, y0, z0));
outlet_anything(x->x_direct_out, x->x_s_index_delta_phi, 3, x->x_para_at);
/* encoder-winkel-reihenfolge: bundle
    0,
    +1x, +1y, +1z, -1x, -1y, -1z
    +2x, +2y, +2z, -2x, -2y, -2z
    +1x+1y, +1x+1z, +1y+1z
    -1x-1y, -1x-1z, -1y-1z
    +1x-1y, +1x-1z, +1y-1z
    -1x+1y, -1x+1z, -1y+1z
    */
delta[0] = early_reflections_3d_calc_elevation(x_180_over_pi, xp1, y0, z0);
    phi[0] = early_reflections_3d_calc_azimuth(x_180_over_pi, xp1, y0, z0);
    delta[1] = early_reflections_3d_calc_elevation(x_180_over_pi, x0, yp1, z0);
    phi[1] = early_reflections_3d_calc_azimuth(x_180_over_pi, x0, yp1, z0);
    delta[2] = early_reflections_3d_calc_elevation(x_180_over_pi, x0, y0, zp1);
    phi[2] = early_reflections_3d_calc_azimuth(x_180_over_pi, x0, y0, zp1);
    delta[3] = early_reflections_3d_calc_elevation(x_180_over_pi, xn1, y0, z0);
    phi[3] = early_reflections_3d_calc_azimuth(x_180_over_pi, xn1, y0, z0);
    delta[4] = early_reflections_3d_calc_elevation(x_180_over_pi, x0, yn1, z0);
    phi[4] = early_reflections_3d_calc_azimuth(x_180_over_pi, x0, yn1, z0);
    delta[5] = early_reflections_3d_calc_elevation(x_180_over_pi, x0, y0, zn1);
    phi[5] = early_reflections_3d_calc_azimuth(x_180_over_pi, x0, y0, zn1);
    delta[6] = early_reflections_3d_calc_elevation(x_180_over_pi, xp2, y0, z0);
    phi[6] = early_reflections_3d_calc_azimuth(x_180_over_pi, xp2, y0, z0);
    delta[7] = early_reflections_3d_calc_elevation(x_180_over_pi, x0, yp2, z0);
    phi[7] = early_reflections_3d_calc_azimuth(x_180_over_pi, x0, yp2, z0);
    delta[8] = early_reflections_3d_calc_elevation(x_180_over_pi, x0, y0, zp2);
    phi[8] = early_reflections_3d_calc_azimuth(x_180_over_pi, x0, y0, zp2);
    delta[9] = early_reflections_3d_calc_elevation(x_180_over_pi, xn2, y0, z0);
    phi[9] = early_reflections_3d_calc_azimuth(x_180_over_pi, xn2, y0, z0);
    delta[10] = early_reflections_3d_calc_elevation(x_180_over_pi, x0, yn2, z0);
    phi[10] = early_reflections_3d_calc_azimuth(x_180_over_pi, x0, yn2, z0);
    delta[11] = early_reflections_3d_calc_elevation(x_180_over_pi, x0, y0, zn2);
    phi[11] = early_reflections_3d_calc_azimuth(x_180_over_pi, x0, y0, zn2);
    delta[12] = early_reflections_3d_calc_elevation(x_180_over_pi, xp1, yp1, z0);
    phi[12] = early_reflections_3d_calc_azimuth(x_180_over_pi, xp1, yp1, z0);
    delta[13] = early_reflections_3d_calc_elevation(x_180_over_pi, xp1, y0, zp1);
    phi[13] = early_reflections_3d_calc_azimuth(x_180_over_pi, xp1, y0, zp1);
    delta[14] = early_reflections_3d_calc_elevation(x_180_over_pi, x0, yp1, zp1);
    phi[14] = early_reflections_3d_calc_azimuth(x_180_over_pi, x0, yp1, zp1);
    delta[15] = early_reflections_3d_calc_elevation(x_180_over_pi, xn1, yn1, z0);
    phi[15] = early_reflections_3d_calc_azimuth(x_180_over_pi, xn1, yn1, z0);
    delta[16] = early_reflections_3d_calc_elevation(x_180_over_pi, xn1, y0, zn1);
    phi[16] = early_reflections_3d_calc_azimuth(x_180_over_pi, xn1, y0, zn1);
    delta[17] = early_reflections_3d_calc_elevation(x_180_over_pi, x0, yn1, zn1);
    phi[17] = early_reflections_3d_calc_azimuth(x_180_over_pi, x0, yn1, zn1);
    delta[18] = early_reflections_3d_calc_elevation(x_180_over_pi, xp1, yn1, z0);
    phi[18] = early_reflections_3d_calc_azimuth(x_180_over_pi, xp1, yn1, z0);
    delta[19] = early_reflections_3d_calc_elevation(x_180_over_pi, xp1, y0, zn1);
    phi[19] = early_reflections_3d_calc_azimuth(x_180_over_pi, xp1, y0, zn1);
    delta[20] = early_reflections_3d_calc_elevation(x_180_over_pi, x0, yp1, zn1);
    phi[20] = early_reflections_3d_calc_azimuth(x_180_over_pi, x0, yp1, zn1);
    delta[21] = early_reflections_3d_calc_elevation(x_180_over_pi, xn1, yp1, z0);
    phi[21] = early_reflections_3d_calc_azimuth(x_180_over_pi, xn1, yp1, z0);
    delta[22] = early_reflections_3d_calc_elevation(x_180_over_pi, xn1, y0, zp1);
    phi[22] = early_reflections_3d_calc_azimuth(x_180_over_pi, xn1, y0, zp1);
    delta[23] = early_reflections_3d_calc_elevation(x_180_over_pi, x0, yn1, zp1);
    phi[23] = early_reflections_3d_calc_azimuth(x_180_over_pi, x0, yn1, zp1);
if(x->x_bundle)
    {
      at = x->x_para_at+1;
      SETFLOAT(at, early_reflections_3d_calc_bundle_index(delta[0], phi[0]));
      at++;
      SETFLOAT(at, early_reflections_3d_calc_bundle_index(delta[1], phi[1]));
      at++;
      SETFLOAT(at, early_reflections_3d_calc_bundle_index(delta[2], phi[2]));
      at++;
      SETFLOAT(at, early_reflections_3d_calc_bundle_index(delta[3], phi[3]));
      at++;
      SETFLOAT(at, early_reflections_3d_calc_bundle_index(delta[4], phi[4]));
      at++;
      SETFLOAT(at, early_reflections_3d_calc_bundle_index(delta[5], phi[5]));
      at++;
      SETFLOAT(at, early_reflections_3d_calc_bundle_index(delta[6], phi[6]));
      at++;
      SETFLOAT(at, early_reflections_3d_calc_bundle_index(delta[7], phi[7]));
      at++;
      SETFLOAT(at, early_reflections_3d_calc_bundle_index(delta[8], phi[8]));
      at++;
      SETFLOAT(at, early_reflections_3d_calc_bundle_index(delta[9], phi[9]));
      at++;
      SETFLOAT(at, early_reflections_3d_calc_bundle_index(delta[10], phi[10]));
      at++;
      SETFLOAT(at, early_reflections_3d_calc_bundle_index(delta[11], phi[11]));
      at++;
      SETFLOAT(at, early_reflections_3d_calc_bundle_index(delta[12], phi[12]));
      at++;
      SETFLOAT(at, early_reflections_3d_calc_bundle_index(delta[13], phi[13]));
      at++;
      SETFLOAT(at, early_reflections_3d_calc_bundle_index(delta[14], phi[14]));
      at++;
      SETFLOAT(at, early_reflections_3d_calc_bundle_index(delta[15], phi[15]));
      at++;
      SETFLOAT(at, early_reflections_3d_calc_bundle_index(delta[16], phi[16]));
      at++;
      SETFLOAT(at, early_reflections_3d_calc_bundle_index(delta[17], phi[17]));
      at++;
      SETFLOAT(at, early_reflections_3d_calc_bundle_index(delta[18], phi[18]));
      at++;
      SETFLOAT(at, early_reflections_3d_calc_bundle_index(delta[19], phi[19]));
      at++;
      SETFLOAT(at, early_reflections_3d_calc_bundle_index(delta[20], phi[20]));
      at++;
      SETFLOAT(at, early_reflections_3d_calc_bundle_index(delta[21], phi[21]));
      at++;
      SETFLOAT(at, early_reflections_3d_calc_bundle_index(delta[22], phi[22]));
      at++;
      SETFLOAT(at, early_reflections_3d_calc_bundle_index(delta[23], phi[23]));
      outlet_anything(x->x_early_out, x->x_s_bundle, 25, x->x_para_at);
    }
at = x->x_para_at+1;
    SETFLOAT(at, 1.0f);
    at++;
    SETFLOAT(at, delta[0]);
    at++;
    SETFLOAT(at, phi[0]);
    outlet_anything(x->x_early_out, x->x_s_index_delta_phi, 4, x->x_para_at);
at = x->x_para_at+1;
    SETFLOAT(at, 2.0f);
    at++;
    SETFLOAT(at, delta[1]);
    at++;
    SETFLOAT(at, phi[1]);
    outlet_anything(x->x_early_out, x->x_s_index_delta_phi, 4, x->x_para_at);
at = x->x_para_at+1;
    SETFLOAT(at, 3.0f);
    at++;
    SETFLOAT(at, delta[2]);
    at++;
    SETFLOAT(at, phi[2]);
    outlet_anything(x->x_early_out, x->x_s_index_delta_phi, 4, x->x_para_at);
at = x->x_para_at+1;
    SETFLOAT(at, 4.0f);
    at++;
    SETFLOAT(at, delta[3]);
    at++;
    SETFLOAT(at, phi[3]);
    outlet_anything(x->x_early_out, x->x_s_index_delta_phi, 4, x->x_para_at);
at = x->x_para_at+1;
    SETFLOAT(at, 5.0f);
    at++;
    SETFLOAT(at, delta[4]);
    at++;
    SETFLOAT(at, phi[4]);
    outlet_anything(x->x_early_out, x->x_s_index_delta_phi, 4, x->x_para_at);
at = x->x_para_at+1;
    SETFLOAT(at, 6.0f);
    at++;
    SETFLOAT(at, delta[5]);
    at++;
    SETFLOAT(at, phi[5]);
    outlet_anything(x->x_early_out, x->x_s_index_delta_phi, 4, x->x_para_at);
at = x->x_para_at+1;
    SETFLOAT(at, 7.0f);
    at++;
    SETFLOAT(at, delta[6]);
    at++;
    SETFLOAT(at, phi[6]);
    outlet_anything(x->x_early_out, x->x_s_index_delta_phi, 4, x->x_para_at);
at = x->x_para_at+1;
    SETFLOAT(at, 8.0f);
    at++;
    SETFLOAT(at, delta[7]);
    at++;
    SETFLOAT(at, phi[7]);
    outlet_anything(x->x_early_out, x->x_s_index_delta_phi, 4, x->x_para_at);
at = x->x_para_at+1;
    SETFLOAT(at, 9.0f);
    at++;
    SETFLOAT(at, delta[8]);
    at++;
    SETFLOAT(at, phi[8]);
    outlet_anything(x->x_early_out, x->x_s_index_delta_phi, 4, x->x_para_at);
at = x->x_para_at+1;
    SETFLOAT(at, 10.0f);
    at++;
    SETFLOAT(at, delta[9]);
    at++;
    SETFLOAT(at, phi[9]);
    outlet_anything(x->x_early_out, x->x_s_index_delta_phi, 4, x->x_para_at);
at = x->x_para_at+1;
    SETFLOAT(at, 11.0f);
    at++;
    SETFLOAT(at, delta[10]);
    at++;
    SETFLOAT(at, phi[10]);
    outlet_anything(x->x_early_out, x->x_s_index_delta_phi, 4, x->x_para_at);
at = x->x_para_at+1;
    SETFLOAT(at, 12.0f);
    at++;
    SETFLOAT(at, delta[11]);
    at++;
    SETFLOAT(at, phi[11]);
    outlet_anything(x->x_early_out, x->x_s_index_delta_phi, 4, x->x_para_at);
at = x->x_para_at+1;
    SETFLOAT(at, 13.0f);
    at++;
    SETFLOAT(at, delta[12]);
    at++;
    SETFLOAT(at, phi[12]);
    outlet_anything(x->x_early_out, x->x_s_index_delta_phi, 4, x->x_para_at);
at = x->x_para_at+1;
    SETFLOAT(at, 14.0f);
    at++;
    SETFLOAT(at, delta[13]);
    at++;
    SETFLOAT(at, phi[13]);
    outlet_anything(x->x_early_out, x->x_s_index_delta_phi, 4, x->x_para_at);
at = x->x_para_at+1;
    SETFLOAT(at, 15.0f);
    at++;
    SETFLOAT(at, delta[14]);
    at++;
    SETFLOAT(at, phi[14]);
    outlet_anything(x->x_early_out, x->x_s_index_delta_phi, 4, x->x_para_at);
at = x->x_para_at+1;
    SETFLOAT(at, 16.0f);
    at++;
    SETFLOAT(at, delta[15]);
    at++;
    SETFLOAT(at, phi[15]);
    outlet_anything(x->x_early_out, x->x_s_index_delta_phi, 4, x->x_para_at);
at = x->x_para_at+1;
    SETFLOAT(at, 17.0f);
    at++;
    SETFLOAT(at, delta[16]);
    at++;
    SETFLOAT(at, phi[16]);
    outlet_anything(x->x_early_out, x->x_s_index_delta_phi, 4, x->x_para_at);
at = x->x_para_at+1;
    SETFLOAT(at, 18.0f);
    at++;
    SETFLOAT(at, delta[17]);
    at++;
    SETFLOAT(at, phi[17]);
    outlet_anything(x->x_early_out, x->x_s_index_delta_phi, 4, x->x_para_at);
at = x->x_para_at+1;
    SETFLOAT(at, 19.0f);
    at++;
    SETFLOAT(at, delta[18]);
    at++;
    SETFLOAT(at, phi[18]);
    outlet_anything(x->x_early_out, x->x_s_index_delta_phi, 4, x->x_para_at);
at = x->x_para_at+1;
    SETFLOAT(at, 20.0f);
    at++;
    SETFLOAT(at, delta[19]);
    at++;
    SETFLOAT(at, phi[19]);
    outlet_anything(x->x_early_out, x->x_s_index_delta_phi, 4, x->x_para_at);
at = x->x_para_at+1;
    SETFLOAT(at, 21.0f);
    at++;
    SETFLOAT(at, delta[20]);
    at++;
    SETFLOAT(at, phi[20]);
    outlet_anything(x->x_early_out, x->x_s_index_delta_phi, 4, x->x_para_at);
at = x->x_para_at+1;
    SETFLOAT(at, 22.0f);
    at++;
    SETFLOAT(at, delta[21]);
    at++;
    SETFLOAT(at, phi[21]);
    outlet_anything(x->x_early_out, x->x_s_index_delta_phi, 4, x->x_para_at);
at = x->x_para_at+1;
    SETFLOAT(at, 23.0f);
    at++;
    SETFLOAT(at, delta[22]);
    at++;
    SETFLOAT(at, phi[22]);
    outlet_anything(x->x_early_out, x->x_s_index_delta_phi, 4, x->x_para_at);
at = x->x_para_at+1;
    SETFLOAT(at, 24.0f);
    at++;
    SETFLOAT(at, delta[23]);
    at++;
    SETFLOAT(at, phi[23]);
    outlet_anything(x->x_early_out, x->x_s_index_delta_phi, 4, x->x_para_at);
  }
}
static void early_reflections_3d_dump_para(t_early_reflections_3d *x)
{
  int i, n=x->x_n_src;
post("*******************************************************************************");
  post("room-dimensions: L_x = %.3f, W_y = %.3f, H_z = %.3f", x->x_room_x, x->x_room_y, x->x_room_z);
  post("hear-position: x_hear = %.3f, y_hear = %.3f, z_hear = %.3f", x->x_head_x, x->x_head_y, x->x_head_z);
  for(i=0; i<n; i++)
    post("source-coordinates: x_src%d = %.3f, y_src%d = %.3f, z_src%d = %.3f",
    x->x_src_x[i], i+1, x->x_src_y[i], i+1, x->x_src_z[i], i+1);
  post("ambisonic-radius: %f", x->x_r_ambi);
  post("sonic-speed: %.3f", x->x_speed);
  post("order of outputs: direct early rev");
  post("*******************************************************************************");
}
static void early_reflections_3d_para(t_early_reflections_3d *x, t_symbol *s, int argc, t_atom *argv)
{
  int i, n=x->x_n_src*3 + 7;/* r_ambi + 3*room + 3*head */
if(argc != n)
  {
    post("early_reflections_3d ERROR: para needs 1 r_ambi + 3*room + 3*head +n*3*src");
    return;
  }
x->x_r_ambi = atom_getfloat(argv++);
  x->x_room_x = atom_getfloat(argv++);
  x->x_room_y = atom_getfloat(argv++);
  x->x_room_z = atom_getfloat(argv++);
  x->x_head_x = atom_getfloat(argv++);
  x->x_head_y = atom_getfloat(argv++);
  x->x_head_z = atom_getfloat(argv++);
  n = x->x_n_src;
  for(i=0; i<n; i++)
  {
    x->x_src_x[i] = atom_getfloat(argv++);
    x->x_src_y[i] = atom_getfloat(argv++);
    x->x_src_z[i] = atom_getfloat(argv++);
  }
  early_reflections_3d_doit(x);
}
static void early_reflections_3d_sonic_speed(t_early_reflections_3d *x, t_floatarg speed)
{
  if(speed < 300.0f)
    speed = 300.0f;
  if(speed > 400.0f)
    speed = 400.0f;
  x->x_speed = speed;
}
static void early_reflections_3d_bundle(t_early_reflections_3d *x, t_floatarg bundle)
{
  if(bundle == 0.0f)
    x->x_bundle = 0;
  else
    x->x_bundle = 1;
}
static void early_reflections_3d_free(t_early_reflections_3d *x)
{
}
static void *early_reflections_3d_new(t_floatarg fn_src)
{
  int i, n;
  t_early_reflections_3d *x = (t_early_reflections_3d *)pd_new(early_reflections_3d_class);
n = (int)fn_src;
  if(n < 1)
    n = 1;
  if(n > 30)
    n = 30;
  x->x_n_src = n;
  x->x_room_x = 12.0f;
  x->x_room_y = 8.0f;
  x->x_room_z = 4.0f;
  x->x_head_x = 0.0f;
  x->x_head_y = 0.0f;
  x->x_head_z = 1.7f;
  for(i=0; i<n; i++)
  {
    x->x_src_x[i] = 3.0f;
    x->x_src_y[i] = 0.5f;
    x->x_src_z[i] = 2.5f;
  }
  x->x_r_ambi = 1.4f;
  x->x_speed = 340.0f;
x->x_s_del0 = gensym("del0");
  x->x_s_del1 = gensym("del1");
  x->x_s_del2 = gensym("del2");
  x->x_s_damp = gensym("damp");
  x->x_s_index_delta_phi = gensym("index_delta_phi");
  x->x_s_bundle = gensym("bundle");
  x->x_direct_out = outlet_new(&x->x_obj, &s_list);
  x->x_early_out = outlet_new(&x->x_obj, &s_list);
  x->x_rev_out = outlet_new(&x->x_obj, &s_list);
  x->x_180_over_pi  = (t_float)(180.0 / (4.0 * atan(1.0)));
  x->x_bundle = 0;
  return (x);
}
void early_reflections_3d_setup(void)
{
  early_reflections_3d_class = class_new(gensym("early_reflections_3d"), (t_newmethod)early_reflections_3d_new, (t_method)early_reflections_3d_free,
    sizeof(t_early_reflections_3d), 0, A_DEFFLOAT, 0);
  class_addmethod(early_reflections_3d_class, (t_method)early_reflections_3d_para, gensym("para"), A_GIMME, 0);
  class_addmethod(early_reflections_3d_class, (t_method)early_reflections_3d_sonic_speed, gensym("sonic_speed"), A_FLOAT, 0);
  class_addmethod(early_reflections_3d_class, (t_method)early_reflections_3d_bundle, gensym("bundle"), A_FLOAT, 0);
  class_addmethod(early_reflections_3d_class, (t_method)early_reflections_3d_dump_para, gensym("dump_para"), 0);
  class_sethelpsymbol(early_reflections_3d_class, gensym("iemhelp2/early_reflections_3d-help"));
}