a602dcfe5f
so that it resides in the Effects module instead, with the intent of soon merging Effect.c and Particle.c into a single file (and somedat removing references to the Effects.Particle submodule)
450 lines
14 KiB
C
450 lines
14 KiB
C
/*
|
|
* $Id$
|
|
*
|
|
* ***** 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): Jacques Guignot, Jean-Michel Soler
|
|
*
|
|
* ***** END GPL/BL DUAL LICENSE BLOCK *****
|
|
*/
|
|
#include "Effect.h" /*This must come first */
|
|
|
|
#include "DNA_object_types.h"
|
|
#include "BKE_global.h"
|
|
#include "BKE_main.h"
|
|
#include "BKE_effect.h"
|
|
#include "BKE_object.h"
|
|
#include "Particle.h"
|
|
#include "gen_utils.h"
|
|
|
|
PyObject *M_Particle_New( PyObject * self, PyObject * args );
|
|
int ParticleSetAttr( BPy_Particle * msh, char *name, PyObject * v );
|
|
PyObject *ParticleGetAttr( BPy_Particle * msh, char *name );
|
|
PyObject *M_Effect_GetParticlesLoc( PyObject * self, PyObject * args );
|
|
|
|
/*****************************************************************************/
|
|
/* Python BPy_Effect methods table: */
|
|
/*****************************************************************************/
|
|
static PyMethodDef BPy_Effect_methods[] = {
|
|
{NULL, NULL, 0, NULL}
|
|
};
|
|
|
|
/*****************************************************************************/
|
|
/* Python Effect_Type structure definition: */
|
|
/*****************************************************************************/
|
|
PyTypeObject Effect_Type = {
|
|
PyObject_HEAD_INIT( NULL )
|
|
0, /* ob_size */
|
|
"Effect", /* tp_name */
|
|
sizeof( BPy_Effect ), /* tp_basicsize */
|
|
0, /* tp_itemsize */
|
|
/* methods */
|
|
( destructor ) EffectDeAlloc, /* tp_dealloc */
|
|
0, /* tp_print */
|
|
( getattrfunc ) EffectGetAttr, /* tp_getattr */
|
|
( setattrfunc ) EffectSetAttr, /* tp_setattr */
|
|
0, /* tp_compare */
|
|
( reprfunc ) EffectRepr, /* 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_Effect_methods, /* tp_methods */
|
|
0, /* tp_members */
|
|
};
|
|
|
|
static char M_Effect_GetParticlesLoc_doc[] = "GetParticlesLoc(name,effect num, curframe) : current particles locations";
|
|
|
|
/*****************************************************************************/
|
|
/* Python method structure definition for Blender.Effect module: */
|
|
/*****************************************************************************/
|
|
|
|
|
|
struct PyMethodDef M_Effect_methods[] = {
|
|
{"New", ( PyCFunction ) M_Effect_New, METH_VARARGS, NULL},
|
|
{"Get", M_Effect_Get, METH_VARARGS, NULL},
|
|
{"get", M_Effect_Get, METH_VARARGS, NULL},
|
|
{"GetParticlesLoc", M_Effect_GetParticlesLoc, METH_VARARGS, M_Effect_GetParticlesLoc_doc},
|
|
{NULL, NULL, 0, NULL}
|
|
};
|
|
|
|
/*****************************************************************************/
|
|
/* Function: M_Effect_New */
|
|
/* Python equivalent: Blender.Effect.New */
|
|
/*****************************************************************************/
|
|
PyObject *M_Effect_New( PyObject * self, PyObject * args )
|
|
{
|
|
return M_Particle_New( self, args );
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/* Function: M_Effect_Get */
|
|
/* Python equivalent: Blender.Effect.Get */
|
|
/*****************************************************************************/
|
|
PyObject *M_Effect_Get( PyObject * self, PyObject * args )
|
|
{
|
|
/*arguments : string object name
|
|
int : position of effect in the obj's effect list */
|
|
char *name = NULL;
|
|
Object *object_iter;
|
|
Effect *eff;
|
|
BPy_Effect *wanted_eff;
|
|
int num = -1, 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" ) );
|
|
|
|
if( name ) { /* (name, num = -1) - try to find the given object */
|
|
|
|
while( object_iter ) {
|
|
|
|
if( !strcmp( name, object_iter->id.name + 2 ) ) {
|
|
|
|
eff = object_iter->effect.first; /*can be NULL: None will be returned*/
|
|
|
|
if (num >= 0) { /* return effect in given num position if available */
|
|
|
|
for( i = 0; i < num; i++ ) {
|
|
if (!eff) break;
|
|
eff = eff->next;
|
|
}
|
|
|
|
if (eff) {
|
|
wanted_eff = (BPy_Effect *)PyObject_NEW(BPy_Effect, &Effect_Type);
|
|
wanted_eff->effect = eff;
|
|
return ( PyObject * ) wanted_eff;
|
|
} else { /* didn't find any effect in the given position */
|
|
Py_INCREF(Py_None);
|
|
return Py_None;
|
|
}
|
|
}
|
|
|
|
else {/*return a list with all effects linked to the given object*/
|
|
/* this was pointed by Stephen Swaney */
|
|
PyObject *effectlist = PyList_New( 0 );
|
|
|
|
while (eff) {
|
|
BPy_Effect *found_eff = (BPy_Effect *)PyObject_NEW(BPy_Effect,
|
|
&Effect_Type);
|
|
found_eff->effect = eff;
|
|
PyList_Append( effectlist, ( PyObject * ) found_eff );
|
|
Py_DECREF((PyObject *)found_eff); /* PyList_Append incref'ed it */
|
|
eff = eff->next;
|
|
}
|
|
return effectlist;
|
|
}
|
|
}
|
|
|
|
object_iter = object_iter->id.next;
|
|
}
|
|
|
|
if (!object_iter)
|
|
return EXPP_ReturnPyObjError (PyExc_AttributeError,
|
|
"no such object");
|
|
}
|
|
|
|
else { /* () - return a list with all effects currently in Blender */
|
|
PyObject *effectlist = PyList_New( 0 );
|
|
|
|
while( object_iter ) {
|
|
if( object_iter->effect.first != NULL ) {
|
|
eff = object_iter->effect.first;
|
|
while( eff ) {
|
|
BPy_Effect *found_eff =
|
|
( BPy_Effect * )
|
|
PyObject_NEW( BPy_Effect,
|
|
&Effect_Type );
|
|
found_eff->effect = eff;
|
|
PyList_Append( effectlist,
|
|
( PyObject * )
|
|
found_eff );
|
|
Py_DECREF((PyObject *)found_eff);
|
|
eff = eff->next;
|
|
}
|
|
}
|
|
object_iter = object_iter->id.next;
|
|
}
|
|
return effectlist;
|
|
}
|
|
Py_INCREF( Py_None );
|
|
return Py_None;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/* Function: GetParticlesLoc */
|
|
/* Python equivalent: Blender.Effect.GetParticlesLoc */
|
|
/* Description: Get the current location of each particle */
|
|
/* and return a list of 3D coords */
|
|
/* Data: String object name, int particle effect number, */
|
|
/* float currentframe */
|
|
/* Return: One python list of python lists of 3D coords */
|
|
/*****************************************************************************/
|
|
PyObject *M_Effect_GetParticlesLoc( PyObject * self, PyObject * args )
|
|
{
|
|
char *name;
|
|
Object *ob;
|
|
Effect *eff;
|
|
PartEff *paf;
|
|
Particle *pa=0;
|
|
int num, i, a;
|
|
PyObject *list;
|
|
float p_time, c_time, vec[3],cfra;
|
|
|
|
if( !PyArg_ParseTuple( args, "sif", &name, &num , &cfra) )
|
|
return ( EXPP_ReturnPyObjError( PyExc_TypeError,
|
|
"expected string, int, float arguments" ) );
|
|
|
|
for( ob = G.main->object.first; ob; ob = ob->id.next )
|
|
if( !strcmp( name, ob->id.name + 2 ) )
|
|
break;
|
|
|
|
if( !ob )
|
|
return EXPP_ReturnPyObjError( PyExc_AttributeError,
|
|
"object does not exist" );
|
|
|
|
if( ob->type != OB_MESH )
|
|
return EXPP_ReturnPyObjError( PyExc_AttributeError,
|
|
"object is not a mesh" );
|
|
|
|
eff = ob->effect.first;
|
|
for( i = 0; i < num && eff; i++ )
|
|
eff = eff->next;
|
|
|
|
if( num < 0 || !eff )
|
|
return EXPP_ReturnPyObjError( PyExc_IndexError,
|
|
"effect index out of range" );
|
|
|
|
if( eff->type != EFF_PARTICLE )
|
|
return EXPP_ReturnPyObjError( PyExc_RuntimeError,
|
|
"unknown effect type" );
|
|
|
|
paf = (PartEff *)eff;
|
|
pa = paf->keys;
|
|
if( !pa )
|
|
return EXPP_ReturnPyObjError( PyExc_AttributeError,
|
|
"Particles location: no keys" );
|
|
|
|
if( ob->ipoflag & OB_OFFS_PARTICLE )
|
|
p_time= ob->sf;
|
|
else
|
|
p_time= 0.0;
|
|
|
|
c_time= bsystem_time( ob, 0, cfra, p_time );
|
|
list = PyList_New( 0 );
|
|
if( !list )
|
|
return EXPP_ReturnPyObjError( PyExc_MemoryError, "PyList() failed" );
|
|
|
|
for( a=0; a<paf->totpart; a++, pa += paf->totkey ) {
|
|
if( c_time > pa->time && c_time < pa->time+pa->lifetime ) {
|
|
where_is_particle(paf, pa, c_time, vec);
|
|
if( PyList_Append( list, Py_BuildValue("[fff]",
|
|
vec[0], vec[1], vec[2]) ) < 0 ) {
|
|
Py_DECREF( list );
|
|
return EXPP_ReturnPyObjError( PyExc_RuntimeError,
|
|
"Couldn't add item to list" );
|
|
}
|
|
}
|
|
}
|
|
|
|
return list;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/* Function: Effect_Init */
|
|
/*****************************************************************************/
|
|
|
|
|
|
PyObject *Particle_Init( void );
|
|
|
|
PyObject *Effect_Init( void )
|
|
{
|
|
PyObject *submodule, *dict;
|
|
|
|
Effect_Type.ob_type = &PyType_Type;
|
|
|
|
submodule = Py_InitModule3( "Blender.Effect", M_Effect_methods, 0 );
|
|
dict = PyModule_GetDict( submodule );
|
|
PyDict_SetItemString( dict, "Particle", Particle_Init( ) );
|
|
return ( submodule );
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/* Python BPy_Effect methods: */
|
|
/*****************************************************************************/
|
|
|
|
PyObject *Effect_getType( BPy_Effect * self )
|
|
{
|
|
PyObject *attr = PyInt_FromLong( ( long ) self->effect->type );
|
|
if( attr )
|
|
return attr;
|
|
return ( EXPP_ReturnPyObjError( PyExc_RuntimeError,
|
|
"couldn't get mode attribute" ) );
|
|
}
|
|
|
|
|
|
/* does nothing since there is only one type of effect */
|
|
|
|
PyObject *Effect_setType( BPy_Effect * self )
|
|
{
|
|
Py_INCREF( Py_None );
|
|
return Py_None;
|
|
}
|
|
|
|
PyObject *Effect_getFlag( BPy_Effect * self )
|
|
{
|
|
PyObject *attr = PyInt_FromLong( ( long ) self->effect->flag );
|
|
if( attr )
|
|
return attr;
|
|
return ( EXPP_ReturnPyObjError( PyExc_RuntimeError,
|
|
"couldn't get mode attribute" ) );
|
|
}
|
|
|
|
|
|
PyObject *Effect_setFlag( BPy_Effect * self, PyObject * args )
|
|
{
|
|
int value;
|
|
if( !PyArg_ParseTuple( args, "i", &value ) )
|
|
return ( EXPP_ReturnPyObjError( PyExc_TypeError,
|
|
"expected an int as argument" ) );
|
|
self->effect->flag = (short)value;
|
|
Py_INCREF( Py_None );
|
|
return Py_None;
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/*****************************************************************************/
|
|
/* Function: EffectDeAlloc */
|
|
/* Description: This is a callback function for the BPy_Effect type. It is */
|
|
/* the destructor function. */
|
|
/*****************************************************************************/
|
|
void EffectDeAlloc( BPy_Effect * self )
|
|
{
|
|
PyObject_DEL( self );
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/* Function: EffectGetAttr */
|
|
/* Description: This is a callback function for the BPy_Effect type. It is */
|
|
/* the function that accesses BPy_Effect "member variables" and */
|
|
/* methods. */
|
|
/*****************************************************************************/
|
|
|
|
|
|
PyObject *EffectGetAttr( BPy_Effect * self, char *name )
|
|
{
|
|
switch ( self->effect->type ) {
|
|
case EFF_PARTICLE:
|
|
return ParticleGetAttr( ( BPy_Particle * ) self, name );
|
|
}
|
|
|
|
return Py_FindMethod( BPy_Effect_methods, ( PyObject * ) self, name );
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/* Function: EffectSetAttr */
|
|
/* Description: This is a callback function for the BPy_Effect type. It */
|
|
/* sets Effect Data attributes (member variables). */
|
|
/*****************************************************************************/
|
|
|
|
|
|
int EffectSetAttr( BPy_Effect * self, char *name, PyObject * value )
|
|
{
|
|
switch ( self->effect->type ) {
|
|
case EFF_PARTICLE:
|
|
return ParticleSetAttr( ( BPy_Particle * ) self, name, value );
|
|
}
|
|
return 0; /* normal exit */
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/* Function: EffectPrint */
|
|
/* Description: This is a callback function for the BPy_Effect type. It */
|
|
/* builds a meaninful string to 'print' effcte objects. */
|
|
/*****************************************************************************/
|
|
/*
|
|
int EffectPrint(BPy_Effect *self, FILE *fp, int flags)
|
|
{
|
|
if (self->effect->type == EFF_PARTICLE)puts("Effect Particle");
|
|
|
|
return 0;
|
|
}
|
|
*/
|
|
/*****************************************************************************/
|
|
/* Function: EffectRepr */
|
|
/* Description: This is a callback function for the BPy_Effect type. It */
|
|
/* builds a meaninful string to represent effcte objects. */
|
|
/*****************************************************************************/
|
|
|
|
PyObject *EffectRepr( BPy_Effect * self )
|
|
{
|
|
char *str = "";
|
|
if( self->effect->type == EFF_PARTICLE )
|
|
str = "Effect Particle";
|
|
return PyString_FromString( str );
|
|
}
|
|
|
|
PyObject *EffectCreatePyObject( struct Effect * effect )
|
|
{
|
|
BPy_Effect *blen_object;
|
|
|
|
blen_object =
|
|
( BPy_Effect * ) PyObject_NEW( BPy_Effect, &Effect_Type );
|
|
|
|
if( blen_object == NULL ) {
|
|
return ( NULL );
|
|
}
|
|
blen_object->effect = effect;
|
|
return ( ( PyObject * ) blen_object );
|
|
|
|
}
|
|
|
|
int EffectCheckPyObject( PyObject * py_obj )
|
|
{
|
|
return ( py_obj->ob_type == &Effect_Type );
|
|
}
|
|
|
|
|
|
struct Effect *EffectFromPyObject( PyObject * py_obj )
|
|
{
|
|
BPy_Effect *blen_obj;
|
|
|
|
blen_obj = ( BPy_Effect * ) py_obj;
|
|
return ( ( Effect * ) blen_obj->effect );
|
|
|
|
}
|