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blender-archive/source/blender/python/api2_2x/Main.c

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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): Campbell Barton
*
* ***** END GPL/BL DUAL LICENSE BLOCK *****
*/
#include "MEM_guardedalloc.h" /* for MEM_callocN */
#include "DNA_space_types.h" /* SPACE_VIEW3D, SPACE_SEQ */
#include "DNA_scene_types.h"
#include "DNA_object_types.h" /* MainSeq_new */
#include "DNA_texture_types.h"
#include "DNA_curve_types.h"
#include "DNA_ipo_types.h"
#include "DNA_group_types.h"
#include "DNA_world_types.h"
#include "DNA_vfont_types.h"
#include "DNA_armature_types.h"
#include "DNA_sound_types.h"
#include "DNA_text_types.h"
#include "DNA_action_types.h"
#include "DNA_meta_types.h"
#include "BKE_global.h"
#include "BKE_main.h"
#include "BKE_library.h"
#include "BKE_object.h"
#include "BKE_scene.h"
#include "BKE_sca.h" /*free_text_controllers*/
#include "BKE_font.h"
#include "BKE_mball.h" /* add_mball */
#include "BKE_mesh.h" /* add_mesh */
#include "BKE_curve.h" /* add_curve */
#include "BKE_material.h"
#include "BKE_group.h"
#include "BLI_blenlib.h" /* BLI_countlist */
#include "BIF_drawscene.h" /* for set_scene */
#include "BIF_screen.h" /* curarea */
#include "BIF_drawimage.h" /* what image */
#include "BIF_drawtext.h" /* unlink_text */
/* python types */
#include "../BPY_extern.h" /* clearing scriptlinks and ID_asPyObject */
#include "gen_utils.h"
#include "Object.h"
#include "Camera.h"
#include "Armature.h"
#include "Lamp.h"
/*#include " CurNurb.h" do we need this ? */
#include "Curve.h"
#include "NMesh.h"
#include "Mesh.h"
#include "Lattice.h"
#include "Metaball.h"
#include "Text3d.h"
#include "Font.h"
#include "Group.h"
#include "World.h"
#include "Texture.h"
#include "Ipo.h"
#include "Text.h"
#include "Sound.h"
#include "NLA.h"
#include "Main.h"
#include "Scene.h"
static PyObject *MainSeq_CreatePyObject( Link *iter, int type )
{
BPy_MainSeq *seq = PyObject_NEW( BPy_MainSeq, &MainSeq_Type);
seq->iter = iter;
seq->type = type;
return (PyObject *)seq;
}
static int MainSeq_len( BPy_MainSeq * self )
{
ListBase *lb = wich_libbase(G.main, self->type);
return BLI_countlist( lb );
}
static PyObject * MainSeq_subscript(BPy_MainSeq * self, PyObject *key)
{
char *name;
char *lib= NULL;
char use_lib = 0;
ID *id;
id = (ID *)wich_libbase(G.main, self->type)->first;
if ( PyString_Check(key) ) {
name = PyString_AsString ( key );
} else if (PyTuple_Check(key) && (PyTuple_Size(key) == 2) ) {
PyObject *pydata;
use_lib = 1;
/* Get the first arg */
pydata = PyTuple_GET_ITEM(key, 0);
if (!PyString_Check(pydata)) {
return EXPP_ReturnPyObjError( PyExc_TypeError,
"the data name must be a string" );
}
name = PyString_AsString ( pydata );
/* Get the second arg */
pydata = PyTuple_GET_ITEM(key, 1);
if (pydata == Py_None) {
lib = NULL; /* data must be local */
} else if (PyString_Check(pydata)) {
lib = PyString_AsString ( pydata );
if (!strcmp( "", lib)) {
lib = NULL; /* and empty string also means data must be local */
}
} else {
return EXPP_ReturnPyObjError( PyExc_TypeError,
"the lib name must be a string or None" );
}
} else {
return EXPP_ReturnPyObjError( PyExc_TypeError,
"expected the a name string or a tuple (lib, name)" );
}
for (; id; id = id->next) {
if(!strcmp( name, id->name+2 )) {
if (
(!use_lib) || /* any data, local or external lib data */
(use_lib && !lib && !id->lib) || /* only local */
(lib && use_lib && id->lib && (!strcmp( id->lib->name, lib))) /* only external lib */
)
{
return ID_asPyObject(id);
}
}
}
return ( EXPP_ReturnPyObjError
( PyExc_KeyError, "Requested data does not exist") );
}
static PyMappingMethods MainSeq_as_mapping = {
( inquiry ) MainSeq_len, /* mp_length */
( binaryfunc ) MainSeq_subscript, /* mp_subscript */
( objobjargproc ) 0, /* mp_ass_subscript */
};
/************************************************************************
*
* Python MainSeq_Type iterator (iterates over GroupObjects)
*
************************************************************************/
/*
* Initialize the interator index
*/
static PyObject *MainSeq_getIter( BPy_MainSeq * self )
{
/* we need to get the first base, but for selected context we may need to advance
to the first selected or first conext base */
ListBase *lb;
Link *link;
lb = wich_libbase(G.main, self->type);
link = lb->first;
/* create a new iterator if were alredy using this one */
if (self->iter==NULL) {
self->iter = link;
return EXPP_incr_ret ( (PyObject *) self );
} else {
return MainSeq_CreatePyObject(link, self->type);
}
}
/*
* Return next MainOb.
*/
static PyObject *MainSeq_nextIter( BPy_MainSeq * self )
{
PyObject *object;
Link *link;
if( !(self->iter) ) {
self->iter= NULL;
return EXPP_ReturnPyObjError( PyExc_StopIteration,
"iterator at end" );
}
object = ID_asPyObject((ID *)self->iter);
link= self->iter->next;
self->iter= link;
return object;
}
PyObject *MainSeq_getActive(BPy_MainSeq *self)
{
switch (self->type) {
case ID_SCE:
if ( !G.scene ) {
Py_RETURN_NONE;
} else {
return Scene_CreatePyObject( ( Scene * ) G.scene );
}
break;
case ID_IM:
if (!G.sima || !G.sima->image) {
Py_RETURN_NONE;
} else {
what_image( G.sima ); /* make sure image data exists */
return Image_CreatePyObject( G.sima->image );
}
break;
}
return EXPP_ReturnPyObjError( PyExc_TypeError,
"Only Scene and Image types have the active attribute" );
}
static int MainSeq_setActive(BPy_MainSeq *self, PyObject *value)
{
switch (self->type) {
case ID_SCE:
if (!Scene_CheckPyObject(value)) {
return EXPP_ReturnIntError(PyExc_TypeError,
"Must be a scene" );
} else {
BPy_Scene *bpydata;
Scene *data;
bpydata = (BPy_Scene *)value;
data= bpydata->scene;
if (!data)
return EXPP_ReturnIntError(PyExc_RuntimeError,
"This Scene has been removed" );
if (data != G.scene) {
set_scene( data );
scene_update_for_newframe(data, data->lay);
}
}
return 0;
case ID_IM:
if (!Image_CheckPyObject(value)) {
return EXPP_ReturnIntError(PyExc_TypeError,
"Must be a scene" );
} else {
BPy_Image *bpydata;
Image *data;
if (!G.sima)
return 0;
bpydata = (BPy_Image *)value;
data= bpydata->image;
if (!data)
return EXPP_ReturnIntError(PyExc_RuntimeError,
"This Scene has been removed" );
if (data != G.sima->image)
G.sima->image= data;
}
return 0;
}
return EXPP_ReturnIntError( PyExc_TypeError,
"Only Scene and Image types have the active attribute" );
}
Mesh *add_mesh__internal(char *name)
{
Mesh *mesh = add_mesh(); /* doesn't return NULL now, but might someday */
/* Bound box set to null needed because a new mesh is initialized
with a bounding box of -1 -1 -1 -1 -1 -1
if its not set to null the bounding box is not re-calculated
when ob.getBoundBox() is called.*/
MEM_freeN(mesh->bb);
mesh->bb= NULL;
mesh->id.us = 0;
rename_id( &mesh->id, name );
return mesh;
}
Curve *add_curve__internal(char *name)
{
Curve *blcurve = NULL; /* for actual Curve Data we create in Blender */
blcurve = add_curve( OB_CURVE ); /* first create the Curve Data in Blender */
/* null check? */
/* return user count to zero because add_curve() inc'd it */
blcurve->id.us = 0;
rename_id( &blcurve->id, name );
return blcurve;
}
MetaBall *add_metaball__internal(char *name)
{
MetaBall *blmball; /* for actual Data we create in Blender */
blmball = add_mball( ); /* first create the MetaBall Data in Blender */
/* null check? */
/* return user count to zero because add_curve() inc'd it */
blmball->id.us = 0;
rename_id( &blmball->id, name );
return blmball;
}
PyObject *MainSeq_new(BPy_MainSeq *self, PyObject * args)
{
char *name;
if( !PyArg_ParseTuple( args, "s#", &name, 21 ) )
return EXPP_ReturnPyObjError( PyExc_TypeError,
"string expected as argument" );
/* TODO, New data functions */
/*
switch (type) {
case ID_SCE:
return Scene_CreatePyObject( add_scene( name ) );
case ID_OB:
return EXPP_ReturnPyObjError( PyExc_RuntimeError,
"Add objects through the scenes objects iterator" );
case ID_ME:
return Mesh_CreatePyObject( add_mesh__internal( name ) );
case ID_CU:
return Curve_CreatePyObject(add_curve__internal( name ) );
case ID_MB:
return Metaball_CreatePyObject((MetaBall *)link);
break;
case ID_MA:
break;
case ID_TE:
break;
case ID_IM:
break;
case ID_LT:
break;
case ID_LA:
break;
case ID_CA:
break;
case ID_IP:
break;
case ID_WO:
break;
case ID_VF:
break;
case ID_TXT:
break;
case ID_SO:
break;
case ID_GR:
break;
case ID_AR:
break;
case ID_AC:
break;
}
*/
Py_RETURN_NONE;
}
PyObject *MainSeq_unlink(BPy_MainSeq *self, PyObject * args)
{
PyObject *pyobj;
switch (self->type) {
case ID_SCE:
if( !PyArg_ParseTuple( args, "O!", &Scene_Type, &pyobj ) ) {
return EXPP_ReturnPyObjError( PyExc_TypeError,
"expected Scene object" );
} else {
BPy_Scene *bpydata;
Scene *data;
bpydata = (BPy_Scene *)pyobj;
data = bpydata->scene;
if (!data)
return EXPP_ReturnPyObjError( PyExc_RuntimeError,
"This Scene has been removed" );
/* Run the removal code */
free_libblock( &G.main->scene, data );
bpydata->scene= NULL;
Py_RETURN_NONE;
}
case ID_GR:
if( !PyArg_ParseTuple( args, "O!", &Group_Type, &pyobj ) ) {
return EXPP_ReturnPyObjError( PyExc_TypeError,
"expected Group object" );
} else {
BPy_Group *bpydata;
Group *data;
bpydata = (BPy_Group *)pyobj;
data = bpydata->group;
if (!data)
return EXPP_ReturnPyObjError( PyExc_RuntimeError,
"This Group has been removed alredy" );
/* Run the removal code */
free_group(data);
unlink_group(data);
data->id.us= 0;
free_libblock( &G.main->group, data );
bpydata->group= NULL;
Py_RETURN_NONE;
}
case ID_TXT:
if( !PyArg_ParseTuple( args, "O!", &Text_Type, &pyobj ) ) {
return EXPP_ReturnPyObjError( PyExc_TypeError,
"expected Text object" );
} else {
BPy_Text *bpydata;
Text *data;
bpydata = (BPy_Text *)pyobj;
data = bpydata->text;
if (!data)
return EXPP_ReturnPyObjError( PyExc_RuntimeError,
"This Group has been removed alredy" );
/* Run the removal code */
BPY_clear_bad_scriptlinks( data );
free_text_controllers( data );
unlink_text( data );
free_libblock( &G.main->text, data );
bpydata->text = NULL;
Py_RETURN_NONE;
}
}
return EXPP_ReturnPyObjError( PyExc_TypeError,
"Only types Scene, Group and Text can unlink" );
}
/************************************************************************
*
* Python MainSeq_Type standard operations
*
************************************************************************/
static void MainSeq_dealloc( BPy_MainSeq * self )
{
PyObject_DEL( self );
}
static int MainSeq_compare( BPy_MainSeq * a, BPy_MainSeq * b )
{
return ( a->type == b->type) ? 0 : -1;
}
/*
* repr function
* callback functions building meaninful string to representations
*/
static PyObject *MainSeq_repr( BPy_MainSeq * self )
{
return PyString_FromFormat( "[Main Iterator]");
}
static PyGetSetDef MainSeq_getseters[] = {
{"active",
(getter)MainSeq_getActive, (setter)MainSeq_setActive,
"active object",
NULL},
{NULL,NULL,NULL,NULL,NULL} /* Sentinel */
};
static struct PyMethodDef BPy_MainSeq_methods[] = {
{"new", (PyCFunction)MainSeq_new, METH_VARARGS,
"Create a new object in this scene from the obdata given and return a new object"},
{"unlink", (PyCFunction)MainSeq_unlink, METH_VARARGS,
"unlinks the object from the scene"},
{NULL, NULL, 0, NULL}
};
/*****************************************************************************/
/* Python MainSeq_Type structure definition: */
/*****************************************************************************/
PyTypeObject MainSeq_Type = {
PyObject_HEAD_INIT( NULL ) /* required py macro */
0, /* ob_size */
/* For printing, in format "<module>.<name>" */
"Blender MainSeq", /* char *tp_name; */
sizeof( BPy_MainSeq ), /* int tp_basicsize; */
0, /* tp_itemsize; For allocation */
/* Methods to implement standard operations */
( destructor ) MainSeq_dealloc,/* destructor tp_dealloc; */
NULL, /* printfunc tp_print; */
NULL, /* getattrfunc tp_getattr; */
NULL, /* setattrfunc tp_setattr; */
( cmpfunc ) MainSeq_compare, /* cmpfunc tp_compare; */
( reprfunc ) MainSeq_repr, /* reprfunc tp_repr; */
/* Method suites for standard classes */
NULL, /* PyNumberMethods *tp_as_number; */
NULL, /* PySequenceMethods *tp_as_sequence; */
&MainSeq_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 */
( getiterfunc) MainSeq_getIter, /* getiterfunc tp_iter; */
( iternextfunc ) MainSeq_nextIter, /* iternextfunc tp_iternext; */
/*** Attribute descriptor and subclassing stuff ***/
BPy_MainSeq_methods, /* struct PyMethodDef *tp_methods; */
NULL, /* struct PyMemberDef *tp_members; */
MainSeq_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
};
/*-----------------------Main module Init())-----------------------------*/
static char M_Main_doc[] = "The Blender.Main submodule";
PyObject *Main_Init( void )
{
PyObject *submodule;
if( PyType_Ready( &MainSeq_Type ) < 0 )
return NULL;
submodule = Py_InitModule3( "Blender.Main", NULL, M_Main_doc );
PyModule_AddObject( submodule, "scenes", MainSeq_CreatePyObject(NULL, ID_SCE) );
PyModule_AddObject( submodule, "objects", MainSeq_CreatePyObject(NULL, ID_OB) );
PyModule_AddObject( submodule, "meshes", MainSeq_CreatePyObject(NULL, ID_ME) );
PyModule_AddObject( submodule, "curves", MainSeq_CreatePyObject(NULL, ID_CU) );
PyModule_AddObject( submodule, "metaballs", MainSeq_CreatePyObject(NULL, ID_MB) );
PyModule_AddObject( submodule, "materials", MainSeq_CreatePyObject(NULL, ID_MA) );
PyModule_AddObject( submodule, "textures", MainSeq_CreatePyObject(NULL, ID_TE) );
PyModule_AddObject( submodule, "images", MainSeq_CreatePyObject(NULL, ID_IM) );
PyModule_AddObject( submodule, "lattices", MainSeq_CreatePyObject(NULL, ID_LT) );
PyModule_AddObject( submodule, "lamps", MainSeq_CreatePyObject(NULL, ID_LA) );
PyModule_AddObject( submodule, "cameras", MainSeq_CreatePyObject(NULL, ID_CA) );
PyModule_AddObject( submodule, "ipos", MainSeq_CreatePyObject(NULL, ID_IP) );
PyModule_AddObject( submodule, "worlds", MainSeq_CreatePyObject(NULL, ID_WO) );
PyModule_AddObject( submodule, "fonts", MainSeq_CreatePyObject(NULL, ID_VF) );
PyModule_AddObject( submodule, "texts", MainSeq_CreatePyObject(NULL, ID_TXT) );
PyModule_AddObject( submodule, "sounds", MainSeq_CreatePyObject(NULL, ID_SO) );
PyModule_AddObject( submodule, "groups", MainSeq_CreatePyObject(NULL, ID_GR) );
PyModule_AddObject( submodule, "armatures", MainSeq_CreatePyObject(NULL, ID_AR) );
PyModule_AddObject( submodule, "actions", MainSeq_CreatePyObject(NULL, ID_AC) );
return submodule;
}
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