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Wave.c

/*
 * $Id: Wave.c,v 1.6 2004/09/25 20:30:40 stiv Exp $
 *
 * ***** BEGIN GPL/BL DUAL LICENSE BLOCK *****
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version. The Blender
 * Foundation also sells licenses for use in proprietary software under
 * the Blender License.  See http://www.blender.org/BL/ for information
 * about this.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software Foundation,
 * Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 *
 * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
 * All rights reserved.
 *
 * This is a new part of Blender.
 *
 * Contributor(s): Jacques Guignot
 *
 * ***** END GPL/BL DUAL LICENSE BLOCK *****
 */

#include "Wave.h"
#include "Effect.h"


/*****************************************************************************/
/* Python BPy_Wave methods table:                                            */
/*****************************************************************************/
static PyMethodDef BPy_Wave_methods[] = {
      {"getType", ( PyCFunction ) Effect_getType,
       METH_NOARGS, "() - Return Effect type"},
      {"setType", ( PyCFunction ) Effect_setType,
       METH_VARARGS, "() - Set Effect type"},
      {"getFlag", ( PyCFunction ) Effect_getFlag,
       METH_NOARGS, "() - Return Effect flag"},
      {"setFlag", ( PyCFunction ) Effect_setFlag,
       METH_VARARGS, "() - Set Effect flag"},
      {"getStartx", ( PyCFunction ) Wave_getStartx,
       METH_NOARGS, "()-Return Wave startx"},
      {"setStartx", ( PyCFunction ) Wave_setStartx, METH_VARARGS,
       "()- Sets Wave startx"},
      {"getStarty", ( PyCFunction ) Wave_getStarty,
       METH_NOARGS, "()-Return Wave starty"},
      {"setStarty", ( PyCFunction ) Wave_setStarty, METH_VARARGS,
       "()- Sets Wave starty"},
      {"getHeight", ( PyCFunction ) Wave_getHeight,
       METH_NOARGS, "()-Return Wave height"},
      {"setHeight", ( PyCFunction ) Wave_setHeight, METH_VARARGS,
       "()- Sets Wave height"},
      {"getWidth", ( PyCFunction ) Wave_getWidth,
       METH_NOARGS, "()-Return Wave width"},
      {"setWidth", ( PyCFunction ) Wave_setWidth, METH_VARARGS,
       "()- Sets Wave width"},
      {"getNarrow", ( PyCFunction ) Wave_getNarrow,
       METH_NOARGS, "()-Return Wave narrow"},
      {"setNarrow", ( PyCFunction ) Wave_setNarrow, METH_VARARGS,
       "()- Sets Wave narrow"},
      {"getSpeed", ( PyCFunction ) Wave_getSpeed,
       METH_NOARGS, "()-Return Wave speed"},
      {"setSpeed", ( PyCFunction ) Wave_setSpeed, METH_VARARGS,
       "()- Sets Wave speed"},
      {"getMinfac", ( PyCFunction ) Wave_getMinfac,
       METH_NOARGS, "()-Return Wave minfac"},
      {"setMinfac", ( PyCFunction ) Wave_setMinfac, METH_VARARGS,
       "()- Sets Wave minfac"},
      {"getDamp", ( PyCFunction ) Wave_getDamp,
       METH_NOARGS, "()-Return Wave damp"},
      {"setDamp", ( PyCFunction ) Wave_setDamp, METH_VARARGS,
       "()- Sets Wave damp"},
      {"getTimeoffs", ( PyCFunction ) Wave_getTimeoffs,
       METH_NOARGS, "()-Return Wave timeoffs"},
      {"setTimeoffs", ( PyCFunction ) Wave_setTimeoffs, METH_VARARGS,
       "()- Sets Wave timeoffs"},
      {"getLifetime", ( PyCFunction ) Wave_getLifetime,
       METH_NOARGS, "()-Return Wave lifetime"},
      {"setLifetime", ( PyCFunction ) Wave_setLifetime, METH_VARARGS,
       "()- Sets Wave lifetime"},
      {NULL, NULL, 0, NULL}
};




/*****************************************************************************/
/* Python Wave_Type structure definition:                                    */
/*****************************************************************************/
PyTypeObject Wave_Type = {
      PyObject_HEAD_INIT( NULL )
      0,
      "Wave",
      sizeof( BPy_Wave ),
      0,
      /* methods */
      ( destructor ) WaveDeAlloc,   /* tp_dealloc */
      ( printfunc ) WavePrint,      /* tp_print */
      ( getattrfunc ) WaveGetAttr,  /* tp_getattr */
      ( setattrfunc ) WaveSetAttr,  /* tp_setattr */
      0,                /* tp_compare */
      ( reprfunc ) WaveRepr,  /* tp_repr */
      0,                /* tp_as_number */
      0,                /* tp_as_sequence */
      0,                /* tp_as_mapping */
      0,                /* tp_as_hash */
      0, 0, 0, 0, 0, 0,
      0,                /* tp_doc */
      0, 0, 0, 0, 0, 0,
      BPy_Wave_methods, /* tp_methods */
      0,                /* tp_members */
};


/*****************************************************************************/
/* The following string definitions are used for documentation strings.      */
/* In Python these will be written to the console when doing a               */
/* Blender.Wave.__doc__                                                      */
/*****************************************************************************/
static char M_Wave_doc[] = "The Blender Wave module\n\n\
This module provides access to **Object Data** in Blender.\n\
Functions :\n\
      New(opt name) : creates a new wave object with the given name (optional)\n\
      Get(name) : retreives a wave  with the given name (mandatory)\n\
      get(name) : same as Get. Kept for compatibility reasons";
static char M_Wave_New_doc[] = "";
static char M_Wave_Get_doc[] = "xxx";
/*****************************************************************************/
/* Python method structure definition for Blender.Wave module:               */
/*****************************************************************************/
struct PyMethodDef M_Wave_methods[] = {
      {"New", ( PyCFunction ) M_Wave_New, METH_VARARGS, M_Wave_New_doc},
      {"Get", M_Wave_Get, METH_VARARGS, M_Wave_Get_doc},
      {"get", M_Wave_Get, METH_VARARGS, M_Wave_Get_doc},
      {NULL, NULL, 0, NULL}
};



/*   -Sta x et Sta y : là où débute la vague
        -X, Y : la vague se propagera dans les directions X et/ou Y
        -Cycl : la vague se répétera ou ne se produira qu'une fois
        -Speed, Height, Width, Narrow : joues avec ces paramètres, je
         te fais confiance. Ils interagissent et s'influencent alors
         mieux vaut y aller un à la fois et qu'un peu à la fois.
        -Time sta: la frame où l'effet commence à se produire.
        -Lifetime: durée en frames de l'effet.
        -Damptime: le temps, en frames, que met une vague à mourir.
*/

/*****************************************************************************/
/* Function:              M_Wave_New                                         */
/* Python equivalent:     Blender.Effect.Wave.New                            */
/*****************************************************************************/
PyObject *M_Wave_New( PyObject * self, PyObject * args )
{
      int type = EFF_WAVE;
      BPy_Effect *pyeffect;
      Effect *bleffect = 0;

      bleffect = add_effect( type );
      if( bleffect == NULL )
            return ( EXPP_ReturnPyObjError( PyExc_RuntimeError,
                                    "couldn't create Effect Data in Blender" ) );

      pyeffect = ( BPy_Effect * ) PyObject_NEW( BPy_Effect, &Effect_Type );


      if( pyeffect == NULL )
            return ( EXPP_ReturnPyObjError( PyExc_MemoryError,
                                    "couldn't create Effect Data object" ) );

      pyeffect->effect = bleffect;

      return ( PyObject * ) pyeffect;
      return 0;
}

/*****************************************************************************/
/* Function:              M_Wave_Get                                         */
/* Python equivalent:     Blender.Effect.Wave.Get                            */
/*****************************************************************************/
PyObject *M_Wave_Get( PyObject * self, PyObject * args )
{
      /*arguments : string object name
         int : position of effect in the obj's effect list  */
      char *name = 0;
      Object *object_iter;
      Effect *eff;
      BPy_Wave *wanted_eff;
      int num, i;

      if( !PyArg_ParseTuple( args, "si", &name, &num ) )
            return ( EXPP_ReturnPyObjError( PyExc_AttributeError,
                                    "expected string int argument" ) );

      object_iter = G.main->object.first;
      if( !object_iter )
            return ( EXPP_ReturnPyObjError( PyExc_AttributeError,
                                    "Scene contains no object" ) );

      while( object_iter ) {
            if( strcmp( name, object_iter->id.name + 2 ) ) {
                  object_iter = object_iter->id.next;
                  continue;
            }


            if( object_iter->effect.first != NULL ) {
                  eff = object_iter->effect.first;
                  for( i = 0; i < num; i++ ) {
                        if( eff->type != EFF_WAVE )
                              continue;
                        eff = eff->next;
                        if( !eff )
                              return ( EXPP_ReturnPyObjError
                                     ( PyExc_AttributeError,
                                       "bject" ) );
                  }
                  wanted_eff =
                        ( BPy_Wave * ) PyObject_NEW( BPy_Wave,
                                               &Wave_Type );
                  wanted_eff->wave = eff;
                  return ( PyObject * ) wanted_eff;
            }
            object_iter = object_iter->id.next;
      }
      Py_INCREF( Py_None );
      return Py_None;
}

/*****************************************************************************/
/* Function:              Wave_Init                                          */
/*****************************************************************************/
PyObject *Wave_Init( void )
{
      PyObject *submodule;

      Wave_Type.ob_type = &PyType_Type;
      submodule =
            Py_InitModule3( "Blender.Wave", M_Wave_methods, M_Wave_doc );
      return ( submodule );
}

/*****************************************************************************/
/* Python BPy_Wave methods:                                                  */
/*****************************************************************************/

PyObject *Wave_getStartx( BPy_Wave * self )
{
      WaveEff *ptr = ( WaveEff * ) self->wave;
      return PyFloat_FromDouble( ptr->startx );
}

PyObject *Wave_setStartx( BPy_Wave * self, PyObject * args )
{
      WaveEff *ptr = ( WaveEff * ) self->wave;
      float val = 0;
      if( !PyArg_ParseTuple( args, "f", &val ) )
            return ( EXPP_ReturnPyObjError( PyExc_AttributeError,
                                    "expected float argument" ) );
      ptr->startx = val;
      Py_INCREF( Py_None );
      return Py_None;
}

PyObject *Wave_getStarty( BPy_Wave * self )
{
      WaveEff *ptr = ( WaveEff * ) self->wave;
      return PyFloat_FromDouble( ptr->starty );
}

PyObject *Wave_setStarty( BPy_Wave * self, PyObject * args )
{
      WaveEff *ptr = ( WaveEff * ) self->wave;
      float val = 0;
      if( !PyArg_ParseTuple( args, "f", &val ) )
            return ( EXPP_ReturnPyObjError( PyExc_AttributeError,
                                    "expected float argument" ) );
      ptr->starty = val;
      Py_INCREF( Py_None );
      return Py_None;
}

PyObject *Wave_getHeight( BPy_Wave * self )
{
      WaveEff *ptr = ( WaveEff * ) self->wave;
      return PyFloat_FromDouble( ptr->height );
}

PyObject *Wave_setHeight( BPy_Wave * self, PyObject * args )
{
      WaveEff *ptr = ( WaveEff * ) self->wave;
      float val = 0;
      if( !PyArg_ParseTuple( args, "f", &val ) )
            return ( EXPP_ReturnPyObjError( PyExc_AttributeError,
                                    "expected float argument" ) );
      ptr->height = val;
      Py_INCREF( Py_None );
      return Py_None;
}

PyObject *Wave_getWidth( BPy_Wave * self )
{
      WaveEff *ptr = ( WaveEff * ) self->wave;
      return PyFloat_FromDouble( ptr->width );
}

PyObject *Wave_setWidth( BPy_Wave * self, PyObject * args )
{
      float val = 0;
      WaveEff *ptr;
      if( !PyArg_ParseTuple( args, "f", &val ) )
            return ( EXPP_ReturnPyObjError( PyExc_AttributeError,
                                    "expected float argument" ) );
      ptr = ( WaveEff * ) self->wave;
      ptr->width = val;
      Py_INCREF( Py_None );
      return Py_None;
}

PyObject *Wave_getNarrow( BPy_Wave * self )
{
      WaveEff *ptr = ( WaveEff * ) self->wave;
      return PyFloat_FromDouble( ptr->narrow );
}

PyObject *Wave_setNarrow( BPy_Wave * self, PyObject * args )
{
      float val = 0;
      WaveEff *ptr;
      if( !PyArg_ParseTuple( args, "f", &val ) )
            return ( EXPP_ReturnPyObjError( PyExc_AttributeError,
                                    "expected float argument" ) );
      ptr = ( WaveEff * ) self->wave;
      ptr->narrow = val;
      Py_INCREF( Py_None );
      return Py_None;
}

PyObject *Wave_getSpeed( BPy_Wave * self )
{
      WaveEff *ptr = ( WaveEff * ) self->wave;
      return PyFloat_FromDouble( ptr->speed );
}

PyObject *Wave_setSpeed( BPy_Wave * self, PyObject * args )
{
      float val = 0;
      WaveEff *ptr;
      if( !PyArg_ParseTuple( args, "f", &val ) )
            return ( EXPP_ReturnPyObjError( PyExc_AttributeError,
                                    "expected float argument" ) );
      ptr = ( WaveEff * ) self->wave;
      ptr->speed = val;
      Py_INCREF( Py_None );
      return Py_None;
}

PyObject *Wave_getMinfac( BPy_Wave * self )
{
      WaveEff *ptr = ( WaveEff * ) self->wave;
      return PyFloat_FromDouble( ptr->minfac );
}

PyObject *Wave_setMinfac( BPy_Wave * self, PyObject * args )
{
      float val = 0;
      WaveEff *ptr;
      if( !PyArg_ParseTuple( args, "f", &val ) )
            return ( EXPP_ReturnPyObjError( PyExc_AttributeError,
                                    "expected float argument" ) );
      ptr = ( WaveEff * ) self->wave;
      ptr->minfac = val;
      Py_INCREF( Py_None );
      return Py_None;
}



PyObject *Wave_getDamp( BPy_Wave * self )
{
      WaveEff *ptr = ( WaveEff * ) self->wave;
      return PyFloat_FromDouble( ptr->damp );
}

PyObject *Wave_setDamp( BPy_Wave * self, PyObject * args )
{
      WaveEff *ptr;
      float val = 0;
      if( !PyArg_ParseTuple( args, "f", &val ) )
            return ( EXPP_ReturnPyObjError( PyExc_AttributeError,
                                    "expected float argument" ) );
      ptr = ( WaveEff * ) self->wave;
      ptr->damp = val;
      Py_INCREF( Py_None );
      return Py_None;
}

PyObject *Wave_getTimeoffs( BPy_Wave * self )
{
      WaveEff *ptr = ( WaveEff * ) self->wave;
      return PyFloat_FromDouble( ptr->timeoffs );
}

PyObject *Wave_setTimeoffs( BPy_Wave * self, PyObject * args )
{
      float val = 0;
      WaveEff *ptr;
      if( !PyArg_ParseTuple( args, "f", &val ) )
            return ( EXPP_ReturnPyObjError( PyExc_AttributeError,
                                    "expected float argument" ) );
      ptr = ( WaveEff * ) self->wave;
      ptr->timeoffs = val;
      Py_INCREF( Py_None );
      return Py_None;
}

PyObject *Wave_getLifetime( BPy_Wave * self )
{
      WaveEff *ptr = ( WaveEff * ) self->wave;
      return PyFloat_FromDouble( ptr->lifetime );
}

PyObject *Wave_setLifetime( BPy_Wave * self, PyObject * args )
{
      float val = 0;
      WaveEff *ptr;
      if( !PyArg_ParseTuple( args, "f", &val ) )
            return ( EXPP_ReturnPyObjError( PyExc_AttributeError,
                                    "expected float argument" ) );
      ptr = ( WaveEff * ) self->wave;
      ptr->lifetime = val;
      Py_INCREF( Py_None );
      return Py_None;
}

/*****************************************************************************/
/* Function:    WaveDeAlloc                                                  */
/* Description: This is a callback function for the BPy_Wave type. It is     */
/*              the destructor function.                                     */
/*****************************************************************************/
void WaveDeAlloc( BPy_Wave * self )
{
      WaveEff *ptr = ( WaveEff * ) self->wave;
      PyObject_DEL( ptr );
}

/*****************************************************************************/
/* Function:    WaveGetAttr                                                  */
/* Description: This is a callback function for the BPy_Wave type. It is     */
/*              the function that accesses BPy_Wave "member variables" and   */
/*              methods.                                                     */
/*****************************************************************************/

PyObject *WaveGetAttr( BPy_Wave * self, char *name )
{
      if( !strcmp( name, "lifetime" ) )
            return Wave_getLifetime( self );
      else if( !strcmp( name, "timeoffs" ) )
            return Wave_getTimeoffs( self );
      else if( !strcmp( name, "damp" ) )
            return Wave_getDamp( self );
      else if( !strcmp( name, "minfac" ) )
            return Wave_getMinfac( self );
      else if( !strcmp( name, "speed" ) )
            return Wave_getSpeed( self );
      else if( !strcmp( name, "narrow" ) )
            return Wave_getNarrow( self );
      else if( !strcmp( name, "width" ) )
            return Wave_getWidth( self );
      else if( !strcmp( name, "height" ) )
            return Wave_getHeight( self );
      else if( !strcmp( name, "startx" ) )
            return Wave_getStartx( self );
      else if( !strcmp( name, "starty" ) )
            return Wave_getStarty( self );
      return Py_FindMethod( BPy_Wave_methods, ( PyObject * ) self, name );
}

/*****************************************************************************/
/* Function:    WaveSetAttr                                                  */
/* Description: This is a callback function for the BPy_Wave type. It is the */
/*              function that sets Wave Data attributes (member variables).  */
/*****************************************************************************/
int WaveSetAttr( BPy_Wave * self, char *name, PyObject * value )
{
      PyObject *valtuple;
      PyObject *error = NULL;

      valtuple = Py_BuildValue( "(N)", value );

      if( !valtuple )
            return EXPP_ReturnIntError( PyExc_MemoryError,
                                  "ParticleSetAttr: couldn't create PyTuple" );

      if( !strcmp( name, "lifetime" ) )
            error = Wave_setLifetime( self, valtuple );
      else if( !strcmp( name, "timeoffs" ) )
            error = Wave_setTimeoffs( self, valtuple );
      else if( !strcmp( name, "damp" ) )
            error = Wave_setDamp( self, valtuple );
      else if( !strcmp( name, "minfac" ) )
            error = Wave_setMinfac( self, valtuple );
      else if( !strcmp( name, "speed" ) )
            error = Wave_setSpeed( self, valtuple );
      else if( !strcmp( name, "narrow" ) )
            error = Wave_setNarrow( self, valtuple );
      else if( !strcmp( name, "width" ) )
            error = Wave_setWidth( self, valtuple );
      else if( !strcmp( name, "height" ) )
            error = Wave_setHeight( self, valtuple );
      else if( !strcmp( name, "startx" ) )
            error = Wave_setStartx( self, valtuple );
      else if( !strcmp( name, "starty" ) )
            error = Wave_setStarty( self, valtuple );


      else {
            Py_DECREF( valtuple );

            if( ( strcmp( name, "Types" ) == 0 ) ||
                ( strcmp( name, "Modes" ) == 0 ) )
                  return ( EXPP_ReturnIntError( PyExc_AttributeError,
                                          "constant dictionary -- cannot be changed" ) );

            else
                  return ( EXPP_ReturnIntError( PyExc_KeyError,
                                          "attribute not found" ) );
      }

      /*Py_DECREF(valtuple); */

      if( error != Py_None )
            return -1;

      Py_DECREF( Py_None );
      return 0;
}

/*****************************************************************************/
/* Function:    WavePrint                                                    */
/* Description: This is a callback function for the BPy_Wave type. It        */
/*              builds a meaninful string to 'print' wave objects.           */
/*****************************************************************************/
int WavePrint( BPy_Wave * self, FILE * fp, int flags )
{

      printf( "I'm a wave...Cool, no?" );
      return 0;
}

/*****************************************************************************/
/* Function:    WaveRepr                                                     */
/* Description: This is a callback function for the BPy_Wave type. It        */
/*              builds a meaninful string to represent wave objects.         */
/*****************************************************************************/
PyObject *WaveRepr( BPy_Wave * self )
{
      return 0;
}

PyObject *WaveCreatePyObject( struct Effect * wave )
{
      BPy_Wave *blen_object;


      blen_object = ( BPy_Wave * ) PyObject_NEW( BPy_Wave, &Wave_Type );

      if( blen_object == NULL ) {
            return ( NULL );
      }
      blen_object->wave = wave;
      return ( ( PyObject * ) blen_object );

}

int WaveCheckPyObject( PyObject * py_obj )
{
      return ( py_obj->ob_type == &Wave_Type );
}


struct Wave *WaveFromPyObject( PyObject * py_obj )
{
      BPy_Wave *blen_obj;

      blen_obj = ( BPy_Wave * ) py_obj;
      return ( ( struct Wave * ) blen_obj->wave );

}

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