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8001a8b409833c3ff4e1dce36e9bebc36fb3e859
blender-archive/source/blender/python/api2_2x/Modifier.c
Ken Hughes 8001a8b409 ===Python API=== 
Initial commit for new Modifier API.  Probably does about 70-75% of what it
should, but it's a start.
2006-04-23 02:34:50 +00:00

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/*
* $Id$
*
* ***** 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): Ken Hughes
*
* ***** END GPL/BL DUAL LICENSE BLOCK *****
*/
#include "Modifier.h" /*This must come first*/
#include "DNA_object_types.h"
#include "DNA_effect_types.h"
#include "DNA_vec_types.h"
#include "BKE_main.h"
#include "BKE_global.h"
#include "BKE_modifier.h"
#include "BKE_library.h"
#include "BLI_blenlib.h"
#include "MEM_guardedalloc.h"
#include "butspace.h"
#include "blendef.h"
#include "mydevice.h"
#include "Object.h"
#include "gen_utils.h"
enum mod_constants {
EXPP_MOD_RENDER = 0,
EXPP_MOD_REALTIME,
EXPP_MOD_EDITMODE,
EXPP_MOD_ONCAGE,
EXPP_MOD_SUBSURF_TYPES,
EXPP_MOD_SUBSURF_LEVELS,
EXPP_MOD_SUBSURF_RENDLEVELS,
EXPP_MOD_SUBSURF_OPTIMAL,
EXPP_MOD_SUBSURF_UV,
EXPP_MOD_ARMATURE_OBJECT,
EXPP_MOD_ARMATURE_VERTGROUPS,
EXPP_MOD_ARMATURE_ENVELOPES,
EXPP_MOD_LATTICE_OBJECT,
EXPP_MOD_LATTICE_VERTGROUP,
EXPP_MOD_CURVE_OBJECT,
EXPP_MOD_CURVE_VERTGROUP,
EXPP_MOD_BUILD_START,
EXPP_MOD_BUILD_LENGTH,
EXPP_MOD_BUILD_SEED,
EXPP_MOD_BUILD_RANDOMIZE,
EXPP_MOD_MIRROR_LIMIT,
EXPP_MOD_MIRROR_FLAG,
EXPP_MOD_MIRROR_AXIS,
EXPP_MOD_DECIMATE_RATIO,
EXPP_MOD_DECIMATE_COUNT,
EXPP_MOD_WAVE_STARTX,
EXPP_MOD_WAVE_STARTY,
EXPP_MOD_WAVE_HEIGHT,
EXPP_MOD_WAVE_WIDTH,
EXPP_MOD_WAVE_NARROW,
EXPP_MOD_WAVE_SPEED,
EXPP_MOD_WAVE_DAMP,
EXPP_MOD_WAVE_LIFETIME,
EXPP_MOD_WAVE_TIMEOFFS,
EXPP_MOD_WAVE_FLAG,
EXPP_MOD_BOOLEAN_OPERATION,
EXPP_MOD_BOOLEAN_OBJECT,
/* yet to be implemented */
/* EXPP_MOD_HOOK_,
EXPP_MOD_ARRAY_, */
};
/*****************************************************************************/
/* Python BPy_Modifier methods declarations: */
/*****************************************************************************/
static PyObject *Modifier_getName( BPy_Modifier * self );
static int Modifier_setName( BPy_Modifier * self, PyObject *arg );
static PyObject *Modifier_getKeys( BPy_Modifier * self );
static PyObject *Modifier_moveUp( BPy_Modifier * self );
static PyObject *Modifier_moveDown( BPy_Modifier * self );
static PyObject *Modifier_getData( BPy_Modifier * self, PyObject * key );
static int Modifier_setData( BPy_Modifier * self, PyObject * key,
PyObject * value );
/*****************************************************************************/
/* Python BPy_Modifier methods table: */
/*****************************************************************************/
static PyMethodDef BPy_Modifier_methods[] = {
/* name, method, flags, doc */
{"up", ( PyCFunction ) Modifier_moveUp, METH_NOARGS,
"Move modifier up in stack"},
{"down", ( PyCFunction ) Modifier_moveDown, METH_NOARGS,
"Move modifier down in stack"},
{"keys", ( PyCFunction )Modifier_getKeys, METH_NOARGS,
"Modifier keys"},
{NULL, NULL, 0, NULL}
};
/*****************************************************************************/
/* Python BPy_Modifier attributes get/set structure: */
/*****************************************************************************/
static PyGetSetDef BPy_Modifier_getseters[] = {
{"name",
(getter)Modifier_getName, (setter)Modifier_setName,
"Modifier name", NULL},
{NULL,NULL,NULL,NULL,NULL} /* Sentinel */
};
/*****************************************************************************/
/* Python Modifier_Type Mapping Methods table: */
/*****************************************************************************/
static PyMappingMethods Modifier_as_mapping = {
NULL, /* mp_length */
( binaryfunc ) Modifier_getData, /* mp_subscript */
( objobjargproc ) Modifier_setData, /* mp_ass_subscript */
};
/*****************************************************************************/
/* Python Modifier_Type callback function prototypes: */
/*****************************************************************************/
static PyObject *Modifier_repr( BPy_Modifier * self );
/*****************************************************************************/
/* Python Modifier_Type structure definition: */
/*****************************************************************************/
PyTypeObject Modifier_Type = {
PyObject_HEAD_INIT( NULL ) /* required py macro */
0, /* ob_size */
/* For printing, in format "<module>.<name>" */
"Blender Modifier", /* char *tp_name; */
sizeof( BPy_Modifier ), /* int tp_basicsize; */
0, /* tp_itemsize; For allocation */
/* Methods to implement standard operations */
( destructor ) PyObject_Del,/* destructor tp_dealloc; */
NULL, /* printfunc tp_print; */
NULL, /* getattrfunc tp_getattr; */
NULL, /* setattrfunc tp_setattr; */
NULL, /* cmpfunc tp_compare; */
( reprfunc ) Modifier_repr, /* reprfunc tp_repr; */
/* Method suites for standard classes */
NULL, /* PyNumberMethods *tp_as_number; */
NULL, /* PySequenceMethods *tp_as_sequence; */
&Modifier_as_mapping, /* PyMappingMethods *tp_as_mapping; */
/* More standard operations (here for binary compatibility) */
NULL, /* hashfunc tp_hash; */
NULL, /* ternaryfunc tp_call; */
NULL, /* reprfunc tp_str; */
NULL, /* getattrofunc tp_getattro; */
NULL, /* setattrofunc tp_setattro; */
/* Functions to access object as input/output buffer */
NULL, /* PyBufferProcs *tp_as_buffer; */
/*** Flags to define presence of optional/expanded features ***/
Py_TPFLAGS_DEFAULT, /* long tp_flags; */
NULL, /* char *tp_doc; Documentation string */
/*** Assigned meaning in release 2.0 ***/
/* call function for all accessible objects */
NULL, /* traverseproc tp_traverse; */
/* delete references to contained objects */
NULL, /* inquiry tp_clear; */
/*** Assigned meaning in release 2.1 ***/
/*** rich comparisons ***/
NULL, /* richcmpfunc tp_richcompare; */
/*** weak reference enabler ***/
0, /* long tp_weaklistoffset; */
/*** Added in release 2.2 ***/
/* Iterators */
NULL, /* getiterfunc tp_iter; */
NULL, /* iternextfunc tp_iternext; */
/*** Attribute descriptor and subclassing stuff ***/
BPy_Modifier_methods, /* struct PyMethodDef *tp_methods; */
NULL, /* struct PyMemberDef *tp_members; */
BPy_Modifier_getseters, /* struct PyGetSetDef *tp_getset; */
NULL, /* struct _typeobject *tp_base; */
NULL, /* PyObject *tp_dict; */
NULL, /* descrgetfunc tp_descr_get; */
NULL, /* descrsetfunc tp_descr_set; */
0, /* long tp_dictoffset; */
NULL, /* initproc tp_init; */
NULL, /* allocfunc tp_alloc; */
NULL, /* newfunc tp_new; */
/* Low-level free-memory routine */
NULL, /* freefunc tp_free; */
/* For PyObject_IS_GC */
NULL, /* inquiry tp_is_gc; */
NULL, /* PyObject *tp_bases; */
/* method resolution order */
NULL, /* PyObject *tp_mro; */
NULL, /* PyObject *tp_cache; */
NULL, /* PyObject *tp_subclasses; */
NULL, /* PyObject *tp_weaklist; */
NULL
};
/*****************************************************************************/
/* Python BPy_Modifier methods: */
/*****************************************************************************/
/*
* return the name of this modifier
*/
static PyObject *Modifier_getName( BPy_Modifier * self )
{
return PyString_FromString( self->md->name );
}
/*
* set the name of this modifier
*/
static int Modifier_setName( BPy_Modifier * self, PyObject * attr )
{
char *name = PyString_AsString( attr );
if( !name )
return EXPP_ReturnIntError( PyExc_TypeError, "expected string arg" );
BLI_strncpy( self->md->name, name, sizeof( self->md->name ) );
return 0;
}
/*
* move the modifier up in the stack
*/
static PyObject *Modifier_moveUp( BPy_Modifier * self )
{
if( mod_moveUp( self->obj, self->md ) )
return EXPP_ReturnPyObjError( PyExc_RuntimeError,
"cannot move above a modifier requiring original data" );
Py_RETURN_NONE;
}
/*
* move the modifier down in the stack
*/
static PyObject *Modifier_moveDown( BPy_Modifier * self )
{
if( mod_moveDown( self->obj, self->md ) )
return EXPP_ReturnPyObjError( PyExc_RuntimeError,
"cannot move beyond a non-deforming modifier" );
Py_RETURN_NONE;
}
/*
* return a constant object which contains all the data attributes which
* can be accessed for each modifier type
*/
static PyObject *Modifier_getKeys( BPy_Modifier * self )
{
BPy_constant *attr = (BPy_constant *)PyConstant_New();
PyConstant_Insert( attr, "RENDER", PyInt_FromLong( EXPP_MOD_RENDER ) );
PyConstant_Insert( attr, "REALTIME", PyInt_FromLong( EXPP_MOD_REALTIME ) );
PyConstant_Insert( attr, "EDITMODE", PyInt_FromLong( EXPP_MOD_EDITMODE ) );
PyConstant_Insert( attr, "ONCAGE", PyInt_FromLong( EXPP_MOD_ONCAGE ) );
switch( self->md->type ) {
case eModifierType_Subsurf:
PyConstant_Insert( attr, "TYPE",
PyInt_FromLong( EXPP_MOD_SUBSURF_TYPES ) );
PyConstant_Insert( attr, "LEVELS",
PyInt_FromLong( EXPP_MOD_SUBSURF_LEVELS ) );
PyConstant_Insert( attr, "RENDER_LEVELS",
PyInt_FromLong( EXPP_MOD_SUBSURF_RENDLEVELS ) );
PyConstant_Insert( attr, "OPTIMAL",
PyInt_FromLong( EXPP_MOD_SUBSURF_OPTIMAL ) );
PyConstant_Insert( attr, "UV",
PyInt_FromLong( EXPP_MOD_SUBSURF_UV ) );
break;
case eModifierType_Armature:
PyConstant_Insert( attr, "OBJECT",
PyInt_FromLong( EXPP_MOD_ARMATURE_OBJECT ) );
PyConstant_Insert( attr, "VERTGROUPS",
PyInt_FromLong( EXPP_MOD_ARMATURE_VERTGROUPS ) );
PyConstant_Insert( attr, "ENVELOPES",
PyInt_FromLong( EXPP_MOD_ARMATURE_ENVELOPES ) );
break;
case eModifierType_Lattice:
PyConstant_Insert( attr, "OBJECT",
PyInt_FromLong( EXPP_MOD_LATTICE_OBJECT) );
PyConstant_Insert( attr, "VERTGROUP",
PyInt_FromLong( EXPP_MOD_LATTICE_VERTGROUP) );
break;
case eModifierType_Curve:
PyConstant_Insert( attr, "OBJECT",
PyInt_FromLong( EXPP_MOD_CURVE_OBJECT ) );
PyConstant_Insert( attr, "VERTGROUP",
PyInt_FromLong( EXPP_MOD_CURVE_VERTGROUP ) );
break;
case eModifierType_Build:
PyConstant_Insert( attr, "START",
PyInt_FromLong( EXPP_MOD_BUILD_START ) );
PyConstant_Insert( attr, "LENGTH",
PyInt_FromLong( EXPP_MOD_BUILD_LENGTH ) );
PyConstant_Insert( attr, "SEED",
PyInt_FromLong( EXPP_MOD_BUILD_SEED ) );
PyConstant_Insert( attr, "RANDOMIZE",
PyInt_FromLong( EXPP_MOD_BUILD_RANDOMIZE ) );
break;
case eModifierType_Mirror:
PyConstant_Insert( attr, "LIMIT",
PyInt_FromLong( EXPP_MOD_MIRROR_LIMIT ) );
PyConstant_Insert( attr, "FLAG",
PyInt_FromLong( EXPP_MOD_MIRROR_FLAG ) );
PyConstant_Insert( attr, "AXIS",
PyInt_FromLong( EXPP_MOD_MIRROR_AXIS ) );
break;
case eModifierType_Decimate:
PyConstant_Insert( attr, "RATIO",
PyInt_FromLong( EXPP_MOD_DECIMATE_RATIO ) );
PyConstant_Insert( attr, "FACE_COUNT",
PyInt_FromLong( EXPP_MOD_DECIMATE_COUNT ) );
break;
case eModifierType_Wave:
PyConstant_Insert( attr, "START_X",
PyInt_FromLong( EXPP_MOD_WAVE_STARTX ) );
PyConstant_Insert( attr, "START_Y",
PyInt_FromLong( EXPP_MOD_WAVE_STARTY ) );
PyConstant_Insert( attr, "HEIGHT",
PyInt_FromLong( EXPP_MOD_WAVE_HEIGHT ) );
PyConstant_Insert( attr, "WIDTH",
PyInt_FromLong( EXPP_MOD_WAVE_WIDTH ) );
PyConstant_Insert( attr, "NARROW",
PyInt_FromLong( EXPP_MOD_WAVE_NARROW ) );
PyConstant_Insert( attr, "SPEED",
PyInt_FromLong( EXPP_MOD_WAVE_SPEED ) );
PyConstant_Insert( attr, "DAMP",
PyInt_FromLong( EXPP_MOD_WAVE_DAMP ) );
PyConstant_Insert( attr, "LIFETIME",
PyInt_FromLong( EXPP_MOD_WAVE_LIFETIME ) );
PyConstant_Insert( attr, "TIME_OFFS",
PyInt_FromLong( EXPP_MOD_WAVE_TIMEOFFS ) );
PyConstant_Insert( attr, "FLAG",
PyInt_FromLong( EXPP_MOD_WAVE_FLAG ) );
break;
case eModifierType_Boolean:
PyConstant_Insert( attr, "OPERATION",
PyInt_FromLong( EXPP_MOD_BOOLEAN_OPERATION ) );
PyConstant_Insert( attr, "OBJECT",
PyInt_FromLong( EXPP_MOD_BOOLEAN_OBJECT ) );
default:
break;
}
return (PyObject *)attr;
}
static PyObject *subsurf_getter( ModifierData *ptr, int type )
{
SubsurfModifierData *md = ( SubsurfModifierData *)ptr;
switch( type ) {
case EXPP_MOD_SUBSURF_TYPES:
return PyInt_FromLong( ( long )md->subdivType );
case EXPP_MOD_SUBSURF_LEVELS:
return PyInt_FromLong( ( long )md->levels );
case EXPP_MOD_SUBSURF_RENDLEVELS:
return PyInt_FromLong( ( long )md->renderLevels );
case EXPP_MOD_SUBSURF_OPTIMAL:
return PyBool_FromLong( ( long )
( md->flags & eSubsurfModifierFlag_ControlEdges ) ) ;
case EXPP_MOD_SUBSURF_UV:
return PyBool_FromLong( ( long )
( md->flags & eSubsurfModifierFlag_SubsurfUv ) ) ;
default:
return EXPP_ReturnPyObjError( PyExc_KeyError,
"key not found" );
}
}
static int subsurf_setter( ModifierData *ptr, int type,
PyObject *value )
{
SubsurfModifierData *md = (SubsurfModifierData *)ptr;
switch( type ) {
case EXPP_MOD_SUBSURF_TYPES:
return EXPP_setIValueRange( value, &md->subdivType, 0, 1, 'h' );
case EXPP_MOD_SUBSURF_LEVELS:
return EXPP_setIValueClamped( value, &md->levels, 1, 6, 'h' );
case EXPP_MOD_SUBSURF_RENDLEVELS:
return EXPP_setIValueClamped( value, &md->renderLevels, 1, 6, 'h' );
case EXPP_MOD_SUBSURF_OPTIMAL:
return EXPP_setBitfield( value, &md->flags,
eSubsurfModifierFlag_ControlEdges, 'h' );
case EXPP_MOD_SUBSURF_UV:
return EXPP_setBitfield( value, &md->flags,
eSubsurfModifierFlag_SubsurfUv, 'h' );
default:
return EXPP_ReturnIntError( PyExc_KeyError, "key not found" );
}
}
static PyObject *armature_getter( ModifierData *ptr, int type )
{
ArmatureModifierData *md = (ArmatureModifierData *)ptr;
switch( type ) {
case EXPP_MOD_ARMATURE_OBJECT:
return Object_CreatePyObject( md->object );
case EXPP_MOD_ARMATURE_VERTGROUPS:
return PyBool_FromLong( ( long )( md->deformflag & 1 ) ) ;
case EXPP_MOD_ARMATURE_ENVELOPES:
return PyBool_FromLong( ( long )( md->deformflag & 2 ) ) ;
default:
return EXPP_ReturnPyObjError( PyExc_KeyError, "key not found" );
}
}
static int armature_setter( ModifierData *ptr, int type, PyObject *value )
{
ArmatureModifierData *md = (ArmatureModifierData *)ptr;
switch( type ) {
case EXPP_MOD_ARMATURE_OBJECT: {
Object *obj = (( BPy_Object * )value)->object;
if( !BPy_Object_Check( value ) || obj->type != OB_ARMATURE )
return EXPP_ReturnIntError( PyExc_TypeError,
"expected BPy armature object argument" );
md->object = obj;
return 0;
}
case EXPP_MOD_ARMATURE_VERTGROUPS:
return EXPP_setBitfield( value, &md->deformflag, 1, 'h' );
case EXPP_MOD_ARMATURE_ENVELOPES:
return EXPP_setBitfield( value, &md->deformflag, 2, 'h' );
default:
return EXPP_ReturnIntError( PyExc_KeyError, "key not found" );
}
}
static PyObject *lattice_getter( ModifierData *ptr, int type )
{
LatticeModifierData *md = (LatticeModifierData *)ptr;
switch( type ) {
case EXPP_MOD_LATTICE_OBJECT:
return Object_CreatePyObject( md->object );
case EXPP_MOD_LATTICE_VERTGROUP:
return PyString_FromString( md->name ) ;
default:
return EXPP_ReturnPyObjError( PyExc_KeyError, "key not found" );
}
}
static int lattice_setter( ModifierData *ptr, int type, PyObject *value )
{
LatticeModifierData *md = (LatticeModifierData *)ptr;
switch( type ) {
case EXPP_MOD_LATTICE_OBJECT: {
Object *obj = (( BPy_Object * )value)->object;
if( !BPy_Object_Check( value ) || obj->type != OB_LATTICE )
return EXPP_ReturnIntError( PyExc_TypeError,
"expected BPy lattice object argument" );
md->object = obj;
break;
}
case EXPP_MOD_LATTICE_VERTGROUP: {
char *name = PyString_AsString( value );
if( !name )
return EXPP_ReturnIntError( PyExc_TypeError,
"expected string arg" );
BLI_strncpy( md->name, name, sizeof( md->name ) );
break;
}
default:
return EXPP_ReturnIntError( PyExc_KeyError, "key not found" );
}
return 0;
}
static PyObject *curve_getter( ModifierData *ptr, int type )
{
CurveModifierData *md = (CurveModifierData *)ptr;
switch( type ) {
case EXPP_MOD_CURVE_OBJECT:
return Object_CreatePyObject( md->object );
case EXPP_MOD_CURVE_VERTGROUP:
return PyString_FromString( md->name ) ;
default:
return EXPP_ReturnPyObjError( PyExc_KeyError, "key not found" );
}
}
static int curve_setter( ModifierData *ptr, int type, PyObject *value )
{
CurveModifierData *md = (CurveModifierData *)ptr;
switch( type ) {
case EXPP_MOD_CURVE_OBJECT: {
Object *obj = (( BPy_Object * )value)->object;
if( !BPy_Object_Check( value ) || obj->type != OB_CURVE )
return EXPP_ReturnIntError( PyExc_TypeError,
"expected BPy lattice object argument" );
md->object = obj;
break;
}
case EXPP_MOD_CURVE_VERTGROUP: {
char *name = PyString_AsString( value );
if( !name )
return EXPP_ReturnIntError( PyExc_TypeError,
"expected string arg" );
BLI_strncpy( md->name, name, sizeof( md->name ) );
break;
}
default:
return EXPP_ReturnIntError( PyExc_KeyError, "key not found" );
}
return 0;
}
static PyObject *build_getter( ModifierData *ptr, int type )
{
BuildModifierData *md = (BuildModifierData *)ptr;
switch( type ) {
case EXPP_MOD_BUILD_START:
return PyFloat_FromDouble( ( float )md->start );
case EXPP_MOD_BUILD_LENGTH:
return PyFloat_FromDouble( ( float )md->length );
case EXPP_MOD_BUILD_SEED:
return PyInt_FromLong( ( long )md->seed );
case EXPP_MOD_BUILD_RANDOMIZE:
return PyBool_FromLong( ( long )md->randomize ) ;
default:
return EXPP_ReturnPyObjError( PyExc_KeyError, "key not found" );
}
}
static int build_setter( ModifierData *ptr, int type, PyObject *value )
{
BuildModifierData *md = (BuildModifierData *)ptr;
switch( type ) {
case EXPP_MOD_BUILD_START:
return EXPP_setFloatClamped( value, &md->start, 1.0, MAXFRAMEF );
case EXPP_MOD_BUILD_LENGTH:
return EXPP_setFloatClamped( value, &md->length, 1.0, MAXFRAMEF );
case EXPP_MOD_BUILD_SEED:
return EXPP_setIValueClamped( value, &md->seed, 1, MAXFRAME, 'i' );
case EXPP_MOD_BUILD_RANDOMIZE:
return EXPP_setBitfield( value, &md->randomize, 1, 'i' );
default:
return EXPP_ReturnIntError( PyExc_KeyError, "key not found" );
}
}
static PyObject *mirror_getter( ModifierData *ptr, int type )
{
MirrorModifierData *md = (MirrorModifierData *)ptr;
switch( type ) {
case EXPP_MOD_MIRROR_LIMIT:
return PyFloat_FromDouble( (double)md->tolerance );
case EXPP_MOD_MIRROR_FLAG:
return PyBool_FromLong( (long)( md->flag & MOD_MIR_CLIPPING ) ) ;
case EXPP_MOD_MIRROR_AXIS:
return PyInt_FromLong( (long)md->axis );
default:
return EXPP_ReturnPyObjError( PyExc_KeyError, "key not found" );
}
}
static int mirror_setter( ModifierData *ptr, int type, PyObject *value )
{
MirrorModifierData *md = (MirrorModifierData *)ptr;
switch( type ) {
case EXPP_MOD_MIRROR_LIMIT:
return EXPP_setFloatClamped( value, &md->tolerance, 0.0, 1.0 );
case EXPP_MOD_MIRROR_FLAG:
return EXPP_setBitfield( value, &md->flag, MOD_MIR_CLIPPING, 'i' );
case EXPP_MOD_MIRROR_AXIS:
return EXPP_setIValueRange( value, &md->axis, 0, 2, 'h' );
default:
return EXPP_ReturnIntError( PyExc_KeyError, "key not found" );
}
}
static PyObject *decimate_getter( ModifierData *ptr, int type )
{
DecimateModifierData *md = (DecimateModifierData *)ptr;
if( type == EXPP_MOD_DECIMATE_RATIO )
return PyFloat_FromDouble( (double)md->percent );
else if( type == EXPP_MOD_DECIMATE_COUNT )
return PyInt_FromLong( (long)md->faceCount );
return EXPP_ReturnPyObjError( PyExc_KeyError, "key not found" );
}
static int decimate_setter( ModifierData *ptr, int type, PyObject *value )
{
DecimateModifierData *md = (DecimateModifierData *)ptr;
if( type == EXPP_MOD_DECIMATE_RATIO )
return EXPP_setFloatClamped( value, &md->percent, 0.0, 1.0 );
else if( type == EXPP_MOD_DECIMATE_COUNT )
return EXPP_ReturnIntError( PyExc_AttributeError,
"value is read-only" );
return EXPP_ReturnIntError( PyExc_KeyError, "key not found" );
}
static PyObject *wave_getter( ModifierData *ptr, int type )
{
WaveModifierData *md = (WaveModifierData *)ptr;
switch( type ) {
case EXPP_MOD_WAVE_STARTX:
return PyFloat_FromDouble( (double)md->startx );
case EXPP_MOD_WAVE_STARTY:
return PyFloat_FromDouble( (double)md->starty );
case EXPP_MOD_WAVE_HEIGHT:
return PyFloat_FromDouble( (double)md->height );
case EXPP_MOD_WAVE_WIDTH:
return PyFloat_FromDouble( (double)md->width );
case EXPP_MOD_WAVE_NARROW:
return PyFloat_FromDouble( (double)md->narrow );
case EXPP_MOD_WAVE_SPEED:
return PyFloat_FromDouble( (double)md->speed );
case EXPP_MOD_WAVE_DAMP:
return PyFloat_FromDouble( (double)md->damp );
case EXPP_MOD_WAVE_LIFETIME:
return PyFloat_FromDouble( (double)md->lifetime );
case EXPP_MOD_WAVE_TIMEOFFS:
return PyFloat_FromDouble( (double)md->timeoffs );
case EXPP_MOD_WAVE_FLAG:
return PyInt_FromLong( (long)md->flag );
default:
return EXPP_ReturnPyObjError( PyExc_KeyError, "key not found" );
}
}
static int wave_setter( ModifierData *ptr, int type, PyObject *value )
{
WaveModifierData *md = (WaveModifierData *)ptr;
switch( type ) {
case EXPP_MOD_WAVE_STARTX:
return EXPP_setFloatClamped( value, &md->startx, -100.0, 100.0 );
case EXPP_MOD_WAVE_STARTY:
return EXPP_setFloatClamped( value, &md->starty, -100.0, 100.0 );
case EXPP_MOD_WAVE_HEIGHT:
return EXPP_setFloatClamped( value, &md->height, -2.0, 2.0 );
case EXPP_MOD_WAVE_WIDTH:
return EXPP_setFloatClamped( value, &md->width, 0.0, 5.0 );
case EXPP_MOD_WAVE_NARROW:
return EXPP_setFloatClamped( value, &md->width, 0.0, 5.0 );
case EXPP_MOD_WAVE_SPEED:
return EXPP_setFloatClamped( value, &md->speed, -2.0, 2.0 );
case EXPP_MOD_WAVE_DAMP:
return EXPP_setFloatClamped( value, &md->damp, -1000.0, 1000.0 );
case EXPP_MOD_WAVE_LIFETIME:
return EXPP_setFloatClamped( value, &md->lifetime, -1000.0, 1000.0 );
case EXPP_MOD_WAVE_TIMEOFFS:
return EXPP_setFloatClamped( value, &md->timeoffs, -1000.0, 1000.0 );
case EXPP_MOD_WAVE_FLAG:
return EXPP_setIValueRange( value, &md->flag, 0,
WAV_X+WAV_Y+WAV_CYCL, 'h' );
default:
return EXPP_ReturnIntError( PyExc_KeyError, "key not found" );
}
}
static PyObject *boolean_getter( ModifierData *ptr, int type )
{
BooleanModifierData *md = (BooleanModifierData *)ptr;
if( type == EXPP_MOD_BOOLEAN_OBJECT )
return Object_CreatePyObject( md->object );
else if( type == EXPP_MOD_BOOLEAN_OPERATION )
return PyInt_FromLong( ( long )md->operation ) ;
return EXPP_ReturnPyObjError( PyExc_KeyError, "key not found" );
}
static int boolean_setter( ModifierData *ptr, int type, PyObject *value )
{
BooleanModifierData *md = (BooleanModifierData *)ptr;
if( type == EXPP_MOD_BOOLEAN_OBJECT ) {
Object *obj = (( BPy_Object * )value)->object;
if( !BPy_Object_Check( value ) || obj->type != OB_MESH )
return EXPP_ReturnIntError( PyExc_TypeError,
"expected BPy mesh object argument" );
md->object = obj;
return 0;
} else if( type == EXPP_MOD_BOOLEAN_OPERATION )
return EXPP_setIValueRange( value, &md->operation,
eBooleanModifierOp_Intersect, eBooleanModifierOp_Difference,
'h' );
return EXPP_ReturnIntError( PyExc_KeyError, "key not found" );
}
static PyObject *hook_getter( ModifierData *ptr, int type )
{
Py_RETURN_NONE;
}
static int hook_setter( ModifierData *ptr, int type, PyObject *value )
{
return 0;
}
static PyObject *softbody_getter( ModifierData *ptr, int type )
{
Py_RETURN_NONE;
}
static int softbody_setter( ModifierData *ptr, int type, PyObject *value )
{
return 0;
}
static PyObject *array_getter( ModifierData *ptr, int type )
{
Py_RETURN_NONE;
}
static int array_setter( ModifierData *ptr, int type, PyObject *value )
{
return 0;
}
static PyObject *Modifier_getData( BPy_Modifier * self, PyObject * key )
{
int type;
if( !PyInt_CheckExact( key ) )
return EXPP_ReturnPyObjError( PyExc_TypeError,
"expected string arg" );
type = PyInt_AsLong( key );
switch( type ) {
case EXPP_MOD_RENDER:
return EXPP_getBitfield( &self->md->mode, eModifierMode_Render, 'h' );
case EXPP_MOD_REALTIME:
return EXPP_getBitfield( &self->md->mode, eModifierMode_Realtime, 'h' );
case EXPP_MOD_EDITMODE:
return EXPP_getBitfield( &self->md->mode, eModifierMode_Editmode, 'h' );
case EXPP_MOD_ONCAGE:
return EXPP_getBitfield( &self->md->mode, eModifierMode_OnCage, 'h' );
default:
switch( self->md->type ) {
case eModifierType_Subsurf:
return subsurf_getter( self->md, type );
case eModifierType_Armature:
return armature_getter( self->md, type );
case eModifierType_Lattice:
return lattice_getter( self->md, type );
case eModifierType_Curve:
return curve_getter( self->md, type );
case eModifierType_Build:
return build_getter( self->md, type );
case eModifierType_Mirror:
return mirror_getter( self->md, type );
case eModifierType_Decimate:
return decimate_getter( self->md, type );
case eModifierType_Wave:
return wave_getter( self->md, type );
case eModifierType_Hook:
return hook_getter( self->md, type );
case eModifierType_Softbody:
return softbody_getter( self->md, type );
case eModifierType_Boolean:
return boolean_getter( self->md, type );
case eModifierType_Array:
return array_getter( self->md, type );
case eModifierType_None:
Py_RETURN_NONE;
}
}
return EXPP_ReturnPyObjError( PyExc_KeyError,
"unknown key or modifier type" );
}
static int Modifier_setData( BPy_Modifier * self, PyObject * key,
PyObject * arg )
{
int type;
if( !PyNumber_Check( key ) )
return EXPP_ReturnIntError( PyExc_TypeError,
"expected string arg" );
type = PyInt_AsLong( key );
switch( self->md->type ) {
case eModifierType_Subsurf:
return subsurf_setter( self->md, type, arg );
case eModifierType_Armature:
return armature_setter( self->md, type, arg );
case eModifierType_Lattice:
return lattice_setter( self->md, type, arg );
case eModifierType_Curve:
return curve_setter( self->md, type, arg );
case eModifierType_Build:
return build_setter( self->md, type, arg );
case eModifierType_Mirror:
return mirror_setter( self->md, type, arg );
case eModifierType_Decimate:
return decimate_setter( self->md, type, arg );
case eModifierType_Wave:
return wave_setter( self->md, type, arg );
case eModifierType_Hook:
return hook_setter( self->md, type, arg );
case eModifierType_Softbody:
return softbody_setter( self->md, type, arg );
case eModifierType_Boolean:
return boolean_setter( self->md, type, arg );
case eModifierType_Array:
return array_setter( self->md, type, arg );
case eModifierType_None:
return 0;
}
return EXPP_ReturnIntError( PyExc_RuntimeError,
"unsupported modifier type" );
}
/*****************************************************************************/
/* Function: Modifier_repr */
/* Description: This is a callback function for the BPy_Modifier type. It */
/* builds a meaningful string to represent modifier objects. */
/*****************************************************************************/
static PyObject *Modifier_repr( BPy_Modifier * self )
{
ModifierTypeInfo *mti = modifierType_getInfo(self->md->type);
return PyString_FromFormat( "[Modifier \"%s\"]", mti->name );
}
/* Three Python Modifier_Type helper functions needed by the Object module: */
/*****************************************************************************/
/* Function: Modifier_CreatePyObject */
/* Description: This function will create a new BPy_Modifier from an */
/* existing Blender modifier structure. */
/*****************************************************************************/
PyObject *Modifier_CreatePyObject( Object *obj, ModifierData * md )
{
BPy_Modifier *pymod;
pymod = ( BPy_Modifier * ) PyObject_NEW( BPy_Modifier, &Modifier_Type );
if( !pymod )
return EXPP_ReturnPyObjError( PyExc_MemoryError,
"couldn't create BPy_Modifier object" );
pymod->md = md;
pymod->obj = obj;
return ( PyObject * ) pymod;
}
/*****************************************************************************/
/* Function: Modifier_CheckPyObject */
/* Description: This function returns true when the given PyObject is of the */
/* type Modifier. Otherwise it will return false. */
/*****************************************************************************/
int Modifier_CheckPyObject( PyObject * pyobj )
{
return ( pyobj->ob_type == &Modifier_Type );
}
/*****************************************************************************/
/* Function: Modifier_FromPyObject */
/* Description: This function returns the Blender modifier from the given */
/* PyObject. */
/*****************************************************************************/
ModifierData *Modifier_FromPyObject( PyObject * pyobj )
{
return ( ( BPy_Modifier * ) pyobj )->md;
}
/*****************************************************************************/
/* Modifier Sequence wrapper */
/*****************************************************************************/
/*
* Initialize the interator
*/
static PyObject *ModSeq_getIter( BPy_ModSeq * self )
{
self->iter = (ModifierData *)self->obj->modifiers.first;
return EXPP_incr_ret ( (PyObject *) self );
}
/*
* Get the next Modifier
*/
static PyObject *ModSeq_nextIter( BPy_ModSeq * self )
{
ModifierData *this = self->iter;
if( this ) {
self->iter = this->next;
return Modifier_CreatePyObject( self->obj, this );
}
return EXPP_ReturnPyObjError( PyExc_StopIteration,
"iterator at end" );
}
/* return the number of modifiers */
static int ModSeq_length( BPy_ModSeq * self )
{
return BLI_countlist( &self->obj->modifiers );
}
/* return a modifier */
static PyObject *ModSeq_item( BPy_ModSeq * self, int i )
{
ModifierData *md = NULL;
/* if index is negative, start counting from the end of the list */
if( i < 0 )
i += ModSeq_length( self );
/* skip through the list until we get the modifier or end of list */
for( md = self->obj->modifiers.first; i && md; --i ) md = md->next;
if( md )
return Modifier_CreatePyObject( self->obj, md );
else
return EXPP_ReturnPyObjError( PyExc_IndexError,
"array index out of range" );
}
/*****************************************************************************/
/* Python BPy_ModSeq sequence table: */
/*****************************************************************************/
static PySequenceMethods ModSeq_as_sequence = {
( inquiry ) ModSeq_length, /* sq_length */
( binaryfunc ) 0, /* sq_concat */
( intargfunc ) 0, /* sq_repeat */
( intargfunc ) ModSeq_item, /* sq_item */
( intintargfunc ) 0, /* sq_slice */
( intobjargproc ) 0, /* sq_ass_item */
( intintobjargproc ) 0, /* sq_ass_slice */
( objobjproc ) 0, /* sq_contains */
( binaryfunc ) 0, /* sq_inplace_concat */
( intargfunc ) 0, /* sq_inplace_repeat */
};
/* create a new modifier at the end of the list */
static PyObject *ModSeq_append( BPy_ModSeq *self, PyObject *args )
{
int type;
if( !PyArg_ParseTuple( args, "i", &type ) )
EXPP_ReturnPyObjError( PyExc_TypeError, "expected int argument" );
BLI_addtail(&self->obj->modifiers, modifier_new(type));
return Modifier_CreatePyObject( self->obj, self->obj->modifiers.last );
}
/*
* simple method to implement pseudo module constants
*/
static PyObject *ModSeq_typeConst( BPy_Modifier *self_unused, void *type )
{
return PyInt_FromLong( (long)type );
}
/*****************************************************************************/
/* Python BPy_ModSeq attributes get/set structure: */
/*****************************************************************************/
static PyGetSetDef BPy_ModSeq_getseters[] = {
{"SUBSURF",
(getter)ModSeq_typeConst, (setter)NULL,
NULL, (void *)eModifierType_Subsurf},
{"ARMATURE",
(getter)ModSeq_typeConst, (setter)NULL,
NULL, (void *)eModifierType_Armature},
{"LATTICE",
(getter)ModSeq_typeConst, (setter)NULL,
NULL, (void *)eModifierType_Lattice},
{"CURVE",
(getter)ModSeq_typeConst, (setter)NULL,
NULL, (void *)eModifierType_Curve},
{"BUILD",
(getter)ModSeq_typeConst, (setter)NULL,
NULL, (void *)eModifierType_Build},
{"MIRROR",
(getter)ModSeq_typeConst, (setter)NULL,
NULL, (void *)eModifierType_Mirror},
{"DECIMATE",
(getter)ModSeq_typeConst, (setter)NULL,
NULL, (void *)eModifierType_Decimate},
{"WAVE",
(getter)ModSeq_typeConst, (setter)NULL,
NULL, (void *)eModifierType_Wave},
{"BOOLEAN",
(getter)ModSeq_typeConst, (setter)NULL,
NULL, (void *)eModifierType_Boolean},
{NULL,NULL,NULL,NULL,NULL} /* Sentinel */
};
/*****************************************************************************/
/* Python BPy_ModSeq methods table: */
/*****************************************************************************/
static PyMethodDef BPy_ModSeq_methods[] = {
/* name, method, flags, doc */
{"append", ( PyCFunction ) ModSeq_append, METH_VARARGS,
"add a new modifier"},
{NULL, NULL, 0, NULL}
};
/*****************************************************************************/
/* Python ModSeq_Type structure definition: */
/*****************************************************************************/
PyTypeObject ModSeq_Type = {
PyObject_HEAD_INIT( NULL ) /* required py macro */
0, /* ob_size */
/* For printing, in format "<module>.<name>" */
"Blender Modifier Sequence",/* char *tp_name; */
sizeof( BPy_ModSeq ), /* int tp_basicsize; */
0, /* tp_itemsize; For allocation */
/* Methods to implement standard operations */
( destructor ) PyObject_Del,/* destructor tp_dealloc; */
NULL, /* printfunc tp_print; */
NULL, /* getattrfunc tp_getattr; */
NULL, /* setattrfunc tp_setattr; */
NULL, /* cmpfunc tp_compare; */
( reprfunc ) NULL, /* reprfunc tp_repr; */
/* Method suites for standard classes */
NULL, /* PyNumberMethods *tp_as_number; */
&ModSeq_as_sequence, /* PySequenceMethods *tp_as_sequence; */
NULL, /* PyMappingMethods *tp_as_mapping; */
/* More standard operations (here for binary compatibility) */
NULL, /* hashfunc tp_hash; */
NULL, /* ternaryfunc tp_call; */
NULL, /* reprfunc tp_str; */
NULL, /* getattrofunc tp_getattro; */
NULL, /* setattrofunc tp_setattro; */
/* Functions to access object as input/output buffer */
NULL, /* PyBufferProcs *tp_as_buffer; */
/*** Flags to define presence of optional/expanded features ***/
Py_TPFLAGS_DEFAULT, /* long tp_flags; */
NULL, /* char *tp_doc; Documentation string */
/*** Assigned meaning in release 2.0 ***/
/* call function for all accessible objects */
NULL, /* traverseproc tp_traverse; */
/* delete references to contained objects */
NULL, /* inquiry tp_clear; */
/*** Assigned meaning in release 2.1 ***/
/*** rich comparisons ***/
NULL, /* richcmpfunc tp_richcompare; */
/*** weak reference enabler ***/
0, /* long tp_weaklistoffset; */
/*** Added in release 2.2 ***/
/* Iterators */
( getiterfunc )ModSeq_getIter, /* getiterfunc tp_iter; */
( iternextfunc )ModSeq_nextIter, /* iternextfunc tp_iternext; */
/*** Attribute descriptor and subclassing stuff ***/
BPy_ModSeq_methods, /* struct PyMethodDef *tp_methods; */
NULL, /* struct PyMemberDef *tp_members; */
BPy_ModSeq_getseters, /* struct PyGetSetDef *tp_getset; */
NULL, /* struct _typeobject *tp_base; */
NULL, /* PyObject *tp_dict; */
NULL, /* descrgetfunc tp_descr_get; */
NULL, /* descrsetfunc tp_descr_set; */
0, /* long tp_dictoffset; */
NULL, /* initproc tp_init; */
NULL, /* allocfunc tp_alloc; */
NULL, /* newfunc tp_new; */
/* Low-level free-memory routine */
NULL, /* freefunc tp_free; */
/* For PyObject_IS_GC */
NULL, /* inquiry tp_is_gc; */
NULL, /* PyObject *tp_bases; */
/* method resolution order */
NULL, /* PyObject *tp_mro; */
NULL, /* PyObject *tp_cache; */
NULL, /* PyObject *tp_subclasses; */
NULL, /* PyObject *tp_weaklist; */
NULL
};
/*****************************************************************************/
/* Function: ModSeq_CreatePyObject */
/* Description: This function will create a new BPy_ModSeq from an existing */
/* ListBase structure. */
/*****************************************************************************/
PyObject *ModSeq_CreatePyObject( Object *obj )
{
BPy_ModSeq *pymod;
pymod = ( BPy_ModSeq * ) PyObject_NEW( BPy_ModSeq, &ModSeq_Type );
if( !pymod )
return EXPP_ReturnPyObjError( PyExc_MemoryError,
"couldn't create BPy_ModSeq object" );
pymod->obj = obj;
return ( PyObject * ) pymod;
}
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