760 lines
20 KiB
C
760 lines
20 KiB
C
/*
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* $Id$
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*
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* ***** BEGIN GPL/BL DUAL LICENSE BLOCK *****
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version. The Blender
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* Foundation also sells licenses for use in proprietary software under
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* the Blender License. See http://www.blender.org/BL/ for information
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* about this.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
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* All rights reserved.
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*
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* This is a new part of Blender.
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*
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* Contributor(s): Michel Selten, Willian P. Germano, Alex Mole, Ken Hughes
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*
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* ***** END GPL/BL DUAL LICENSE BLOCK *****
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*/
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#include "gen_utils.h" /*This must come first*/
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#include "DNA_text_types.h"
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#include "MEM_guardedalloc.h"
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#include "BLI_blenlib.h"
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#include "BIF_space.h"
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#include "BKE_global.h"
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#include "BKE_main.h"
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//---------------------- EXPP_GetModuleConstant -------------------------
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//Helper function for returning a module constant
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PyObject *EXPP_GetModuleConstant(char *module, char *constant)
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{
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PyObject *py_module = NULL, *py_dict = NULL, *py_constant = NULL;
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/*Careful to pass the correct Package.Module string here or
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* else you add a empty module somewhere*/
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py_module = PyImport_AddModule(module);
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if(!py_module){ //null = error returning module
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return ( EXPP_ReturnPyObjError( PyExc_RuntimeError,
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"error encountered with returning module constant..." ) );
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}
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py_dict = PyModule_GetDict(py_module); //never fails
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py_constant = PyDict_GetItemString(py_dict, constant);
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if(!py_constant){ //null = key not found
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return ( EXPP_ReturnPyObjError( PyExc_RuntimeError,
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"error encountered with returning module constant..." ) );
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}
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return EXPP_incr_ret(py_constant);
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}
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/*****************************************************************************/
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/* Description: This function clamps an int to the given interval */
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/* [min, max]. */
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/*****************************************************************************/
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int EXPP_ClampInt( int value, int min, int max )
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{
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if( value < min )
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return min;
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else if( value > max )
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return max;
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return value;
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}
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/*****************************************************************************/
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/* Description: This function clamps a float to the given interval */
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/* [min, max]. */
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/*****************************************************************************/
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float EXPP_ClampFloat( float value, float min, float max )
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{
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if( value < min )
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return min;
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else if( value > max )
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return max;
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return value;
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}
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/*****************************************************************************/
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/* Description: This function returns true if both given strings are equal, */
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/* otherwise it returns false. */
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/*****************************************************************************/
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int StringEqual( const char *string1, const char *string2 )
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{
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return ( strcmp( string1, string2 ) == 0 );
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}
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/*****************************************************************************/
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/* Description: This function returns the name of the given ID struct */
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/* without the Object type identifying characters prepended. */
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/*****************************************************************************/
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char *GetIdName( ID * id )
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{
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return ( ( id->name ) + 2 );
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}
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/*****************************************************************************/
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/* Description: This function returns the ID of the object with given name */
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/* from a given list. */
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/*****************************************************************************/
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ID *GetIdFromList( ListBase * list, char *name )
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{
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ID *id = list->first;
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while( id ) {
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if( strcmp( name, id->name + 2 ) == 0 )
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break;
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id = id->next;
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}
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return id;
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}
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/*****************************************************************************/
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/* Description: These functions set an internal string with the given type */
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/* and error_msg arguments. */
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/*****************************************************************************/
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PyObject *EXPP_ReturnPyObjError( PyObject * type, char *error_msg )
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{ /* same as above, just to change its name smoothly */
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PyErr_SetString( type, error_msg );
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return NULL;
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}
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int EXPP_ReturnIntError( PyObject * type, char *error_msg )
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{
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PyErr_SetString( type, error_msg );
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return -1;
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}
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int EXPP_intError(PyObject *type, const char *format, ...)
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{
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char *error = "";
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va_list vlist;
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va_start(vlist, format);
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vsprintf(error, format, vlist);
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va_end(vlist);
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PyErr_SetString(type, error);
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return -1;
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}
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//Like EXPP_ReturnPyObjError but takes a printf format string and multiple arguments
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PyObject *EXPP_objError(PyObject *type, const char *format, ...)
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{
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char *error = "";
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va_list vlist;
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va_start(vlist, format);
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vsprintf(error, format, vlist);
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va_end(vlist);
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PyErr_SetString(type, error);
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return NULL;
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}
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/*****************************************************************************/
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/* Description: This function increments the reference count of the given */
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/* Python object (usually Py_None) and returns it. */
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/*****************************************************************************/
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PyObject *EXPP_incr_ret( PyObject * object )
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{
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Py_INCREF( object );
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return ( object );
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}
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/* return Py_False - to avoid warnings, we use the fact that
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* 0 == False in Python: */
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PyObject *EXPP_incr_ret_False()
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{
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return Py_BuildValue("i", 0);
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}
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/* return Py_True - to avoid warnings, we use the fact that
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* 1 == True in Python: */
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PyObject *EXPP_incr_ret_True()
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{
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return Py_BuildValue("i", 1);
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}
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void EXPP_incr2( PyObject * ob1, PyObject * ob2 )
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{
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Py_INCREF( ob1 );
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Py_INCREF( ob2 );
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}
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void EXPP_incr3( PyObject * ob1, PyObject * ob2, PyObject * ob3 )
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{
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Py_INCREF( ob1 );
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Py_INCREF( ob2 );
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Py_INCREF( ob3 );
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}
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void EXPP_decr2( PyObject * ob1, PyObject * ob2 )
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{
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Py_DECREF( ob1 );
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Py_DECREF( ob2 );
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}
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void EXPP_decr3( PyObject * ob1, PyObject * ob2, PyObject * ob3 )
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{
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Py_DECREF( ob1 );
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Py_DECREF( ob2 );
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Py_DECREF( ob3 );
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}
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/*****************************************************************************/
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/* Description: This function maps the event identifier to a string. */
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/*****************************************************************************/
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char *event_to_name( short event )
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{
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switch ( event ) {
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case SCRIPT_FRAMECHANGED:
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return "FrameChanged";
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case SCRIPT_ONLOAD:
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return "OnLoad";
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case SCRIPT_ONSAVE:
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return "OnSave";
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case SCRIPT_REDRAW:
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return "Redraw";
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case SCRIPT_RENDER:
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return "Render";
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case SCRIPT_POSTRENDER:
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return "PostRender";
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default:
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return "Unknown";
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}
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}
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/*****************************************************************************/
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/* Description: Checks whether all objects in a PySequence are of a same */
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/* given type. Returns 0 if not, 1 on success. */
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/*****************************************************************************/
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int EXPP_check_sequence_consistency( PyObject * seq, PyTypeObject * against )
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{
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PyObject *ob;
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int len = PySequence_Length( seq );
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int i, result = 1;
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for( i = 0; i < len; i++ ) {
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ob = PySequence_GetItem( seq, i );
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if( ob == Py_None )
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result = 2;
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else if( ob->ob_type != against ) {
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Py_DECREF( ob );
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return 0;
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}
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Py_DECREF( ob );
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}
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return result; /* 1 if all of 'against' type, 2 if there are (also) Nones */
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}
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PyObject *EXPP_tuple_repr( PyObject * self, int size )
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{
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PyObject *repr, *item;
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int i;
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/*@ note: a value must be built because the list is decrefed!
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* otherwise we have nirvana pointers inside python.. */
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repr = PyString_FromString( "" );
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if( !repr )
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return 0;
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item = PySequence_GetItem( self, 0 );
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PyString_ConcatAndDel( &repr, PyObject_Repr( item ) );
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Py_DECREF( item );
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for( i = 1; i < size; i++ ) {
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item = PySequence_GetItem( self, i );
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PyString_ConcatAndDel( &repr, PyObject_Repr( item ) );
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Py_DECREF( item );
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}
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return repr;
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}
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/****************************************************************************/
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/* Description: searches through a map for a pair with a given name. If the */
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/* pair is present, its ival is stored in *ival and nonzero is */
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/* returned. If the pair is absent, zero is returned. */
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/****************************************************************************/
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int EXPP_map_getIntVal( const EXPP_map_pair * map, const char *sval,
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int *ival )
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{
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while( map->sval ) {
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if( StringEqual( sval, map->sval ) ) {
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*ival = map->ival;
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return 1;
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}
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++map;
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}
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return 0;
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}
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/* same as above, but string case is ignored */
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int EXPP_map_case_getIntVal( const EXPP_map_pair * map, const char *sval,
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int *ival )
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{
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while( map->sval ) {
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if( !BLI_strcasecmp( sval, map->sval ) ) {
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*ival = map->ival;
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return 1;
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}
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++map;
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}
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return 0;
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}
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/****************************************************************************/
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/* Description: searches through a map for a pair with a given name. If the */
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/* pair is present, its ival is stored in *ival and nonzero is */
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/* returned. If the pair is absent, zero is returned. */
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/* note: this function is identical to EXPP_map_getIntVal except that the */
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/* output is stored in a short value. */
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/****************************************************************************/
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int EXPP_map_getShortVal( const EXPP_map_pair * map,
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const char *sval, short *ival )
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{
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while( map->sval ) {
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if( StringEqual( sval, map->sval ) ) {
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*ival = (short)map->ival;
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return 1;
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}
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++map;
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}
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return 0;
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}
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/****************************************************************************/
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/* Description: searches through a map for a pair with a given ival. If the */
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/* pair is present, a pointer to its name is stored in *sval */
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/* and nonzero is returned. If the pair is absent, zero is */
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/* returned. */
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/****************************************************************************/
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int EXPP_map_getStrVal( const EXPP_map_pair * map, int ival,
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const char **sval )
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{
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while( map->sval ) {
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if( ival == map->ival ) {
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*sval = map->sval;
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return 1;
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}
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++map;
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}
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return 0;
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}
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/* Redraw wrappers */
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/* this queues redraws if we're not in background mode: */
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void EXPP_allqueue(unsigned short event, short val)
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{
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if (!G.background) allqueue(event, val);
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}
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/************************************************************************/
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/* Scriptlink-related functions, used by scene, object, etc. bpyobjects */
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/************************************************************************/
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PyObject *EXPP_getScriptLinks( ScriptLink * slink, PyObject * args,
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int is_scene )
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{
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PyObject *list = NULL;
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char *eventname = NULL;
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int i, event = 0;
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/* actually !scriptlink shouldn't happen ... */
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if( !slink || !slink->totscript )
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return EXPP_incr_ret( Py_None );
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if( !PyArg_ParseTuple( args, "s", &eventname ) )
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return EXPP_ReturnPyObjError( PyExc_TypeError,
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"expected event name (string) as argument" );
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list = PyList_New( 0 );
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if( !list )
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return EXPP_ReturnPyObjError( PyExc_MemoryError,
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"couldn't create PyList!" );
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if( !strcmp( eventname, "FrameChanged" ) )
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event = SCRIPT_FRAMECHANGED;
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else if( !strcmp( eventname, "Redraw" ) )
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event = SCRIPT_REDRAW;
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else if( !strcmp( eventname, "Render" ) )
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event = SCRIPT_RENDER;
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else if( is_scene && !strcmp( eventname, "OnLoad" ) )
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event = SCRIPT_ONLOAD;
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else if( is_scene && !strcmp( eventname, "OnSave" ) )
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event = SCRIPT_ONSAVE;
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else
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return EXPP_ReturnPyObjError( PyExc_AttributeError,
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"invalid event name" );
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for( i = 0; i < slink->totscript; i++ ) {
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if( ( slink->flag[i] == event ) && slink->scripts[i] )
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PyList_Append( list,
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PyString_FromString( slink->scripts[i]->
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name + 2 ) );
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}
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return list;
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}
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PyObject *EXPP_clearScriptLinks( ScriptLink * slink, PyObject * args )
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{
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int i, j, totLinks, deleted = 0;
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PyObject *seq = NULL;
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ID **stmp = NULL;
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short *ftmp = NULL;
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/* check for an optional list of strings */
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if( !PyArg_ParseTuple( args, "|O", &seq ) )
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return ( EXPP_ReturnPyObjError
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( PyExc_TypeError,
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"expected no arguments or a list of strings" ) );
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/* if there was a parameter, handle it */
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if ( seq != NULL ) {
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/* check that parameter IS list of strings */
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if ( !PyList_Check ( seq ) )
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return ( EXPP_ReturnPyObjError
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( PyExc_TypeError,
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"expected a list of strings" ) );
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totLinks = PyList_Size ( seq );
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for ( i = 0 ; i < totLinks ; ++i ) {
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if ( !PyString_Check ( PySequence_GetItem( seq, i ) ) )
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return ( EXPP_ReturnPyObjError
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( PyExc_TypeError,
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"expected list to contain strings" ) );
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}
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/*
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parameters OK: now look for each script, and delete
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its link as we find it (this handles multiple links)
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*/
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for ( i = 0 ; i < totLinks ; ++i )
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{
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char *str;
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str = PyString_AsString ( PySequence_GetItem( seq, i ) );
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for ( j = 0 ; j < slink->totscript ; ++j ) {
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if ( slink->scripts[j] && !strcmp ( slink->scripts[j]->name+2, str ) ) {
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slink->scripts[j] = NULL;
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++deleted;
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}
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}
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}
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}
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/* if no parameter, then delete all scripts */
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else {
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deleted = slink->totscript;
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}
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/*
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if not all scripts deleted, create new lists and copy remaining
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links to them
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*/
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if ( slink->totscript > deleted ) {
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slink->totscript = slink->totscript - (short)deleted;
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stmp = slink->scripts;
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slink->scripts =
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MEM_mallocN( sizeof( ID * ) * ( slink->totscript ),
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"bpySlinkL" );
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ftmp = slink->flag;
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slink->flag =
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MEM_mallocN( sizeof( short * ) * ( slink->totscript ),
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"bpySlinkF" );
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for ( i = 0, j = 0 ; i < slink->totscript ; ++j ) {
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if ( stmp[j] != NULL ) {
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memcpy( slink->scripts+i, stmp+j, sizeof( ID * ) );
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memcpy( slink->flag+i, ftmp+j, sizeof( short ) );
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++i;
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}
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}
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MEM_freeN( stmp );
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MEM_freeN( ftmp );
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/*EXPP_allqueue (REDRAWBUTSSCRIPT, 0 );*/
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slink->actscript = 1;
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} else {
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/* all scripts deleted, so delete entire list and free memory */
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if( slink->scripts )
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MEM_freeN( slink->scripts );
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if( slink->flag )
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MEM_freeN( slink->flag );
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slink->scripts = NULL;
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slink->flag = NULL;
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slink->totscript = slink->actscript = 0;
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}
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return EXPP_incr_ret( Py_None );
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}
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PyObject *EXPP_addScriptLink(ScriptLink *slink, PyObject *args, int is_scene)
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{
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int event = 0, found_txt = 0;
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void *stmp = NULL, *ftmp = NULL;
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Text *bltxt = G.main->text.first;
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char *textname = NULL;
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char *eventname = NULL;
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/* !scriptlink shouldn't happen ... */
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if( !slink ) {
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return EXPP_ReturnPyObjError( PyExc_RuntimeError,
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"internal error: no scriptlink!" );
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}
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if( !PyArg_ParseTuple( args, "ss", &textname, &eventname ) )
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return EXPP_ReturnPyObjError( PyExc_TypeError,
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"expected two strings as arguments" );
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while( bltxt ) {
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if( !strcmp( bltxt->id.name + 2, textname ) ) {
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found_txt = 1;
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break;
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}
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bltxt = bltxt->id.next;
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}
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if( !found_txt )
|
|
return EXPP_ReturnPyObjError( PyExc_AttributeError,
|
|
"no such Blender Text" );
|
|
|
|
if( !strcmp( eventname, "FrameChanged" ) )
|
|
event = SCRIPT_FRAMECHANGED;
|
|
else if( !strcmp( eventname, "Redraw" ) )
|
|
event = SCRIPT_REDRAW;
|
|
else if( !strcmp( eventname, "Render" ) )
|
|
event = SCRIPT_RENDER;
|
|
else if( is_scene && !strcmp( eventname, "OnLoad" ) )
|
|
event = SCRIPT_ONLOAD;
|
|
else if( is_scene && !strcmp( eventname, "OnSave" ) )
|
|
event = SCRIPT_ONSAVE;
|
|
else
|
|
return EXPP_ReturnPyObjError( PyExc_AttributeError,
|
|
"invalid event name" );
|
|
|
|
stmp = slink->scripts;
|
|
slink->scripts =
|
|
MEM_mallocN( sizeof( ID * ) * ( slink->totscript + 1 ),
|
|
"bpySlinkL" );
|
|
|
|
ftmp = slink->flag;
|
|
slink->flag =
|
|
MEM_mallocN( sizeof( short * ) * ( slink->totscript + 1 ),
|
|
"bpySlinkF" );
|
|
|
|
if( slink->totscript ) {
|
|
memcpy( slink->scripts, stmp,
|
|
sizeof( ID * ) * ( slink->totscript ) );
|
|
MEM_freeN( stmp );
|
|
|
|
memcpy( slink->flag, ftmp,
|
|
sizeof( short ) * ( slink->totscript ) );
|
|
MEM_freeN( ftmp );
|
|
}
|
|
|
|
slink->scripts[slink->totscript] = ( ID * ) bltxt;
|
|
slink->flag[slink->totscript] = (short)event;
|
|
|
|
slink->totscript++;
|
|
|
|
if( slink->actscript < 1 )
|
|
slink->actscript = 1;
|
|
|
|
return EXPP_incr_ret (Py_None); /* normal exit */
|
|
}
|
|
|
|
/*
|
|
* Utility routines to clamp and store various datatypes. The object type
|
|
* is checked and a exception is raised if it's not the correct type.
|
|
*
|
|
* Inputs:
|
|
* value: PyObject containing the new value
|
|
* param: pointer to destination variable
|
|
* max, min: range of values for clamping
|
|
*
|
|
* Return 0 on success, -1 on error.
|
|
*/
|
|
|
|
int EXPP_setCharClamped ( PyObject *value, char *param,
|
|
short min, short max )
|
|
{
|
|
/* if value not of correct type, raise Type exception */
|
|
|
|
if( !PyInt_CheckExact( value ) ) {
|
|
char errstr[128];
|
|
sprintf ( errstr, "expected char argument in [%d,%d]", min, max );
|
|
return EXPP_ReturnIntError( PyExc_TypeError, errstr );
|
|
}
|
|
|
|
/* clamp and store value */
|
|
|
|
*param = EXPP_ClampInt( PyInt_AS_LONG ( value ), min, max );
|
|
return 0;
|
|
}
|
|
|
|
int EXPP_setShortClamped ( PyObject *value, short *param,
|
|
short min, short max )
|
|
{
|
|
if( !PyInt_CheckExact ( value ) ) {
|
|
char errstr[128];
|
|
sprintf ( errstr, "expected int argument in [%d,%d]", min, max );
|
|
return EXPP_ReturnIntError( PyExc_TypeError, errstr );
|
|
}
|
|
|
|
*param = EXPP_ClampInt( PyInt_AS_LONG ( value ), min, max );
|
|
|
|
return 0;
|
|
}
|
|
|
|
int EXPP_setIntClamped ( PyObject *value, int *param,
|
|
int min, int max )
|
|
{
|
|
if( !PyInt_CheckExact ( value ) ) {
|
|
char errstr[128];
|
|
sprintf ( errstr, "expected int argument in [%d,%d]", min, max );
|
|
return EXPP_ReturnIntError( PyExc_TypeError, errstr );
|
|
}
|
|
|
|
*param = EXPP_ClampInt( PyInt_AS_LONG ( value ), min, max );
|
|
|
|
return 0;
|
|
}
|
|
|
|
int EXPP_setFloatClamped ( PyObject *value, float *param,
|
|
float min, float max )
|
|
{
|
|
if( !PyFloat_CheckExact ( value ) ) {
|
|
char errstr[128];
|
|
sprintf ( errstr, "expected float argument in [%f,%f]", min, max );
|
|
return EXPP_ReturnIntError( PyExc_TypeError, errstr );
|
|
}
|
|
|
|
*param = EXPP_ClampFloat( PyFloat_AS_DOUBLE( value ), min, max );
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Utility routines to range-check and store various datatypes. The object
|
|
* type is checked and a exception is raised if it's not the correct type.
|
|
* An exception is also raised if the value lies outside of the specified
|
|
* range.
|
|
*
|
|
* Inputs:
|
|
* value: PyObject containing the new value
|
|
* param: pointer to destination variable
|
|
* max, min: valid range for value
|
|
*
|
|
* Return 0 on success, -1 on error.
|
|
*/
|
|
|
|
int EXPP_setCharRange ( PyObject *value, char *param,
|
|
short min, short max )
|
|
{
|
|
char errstr[128];
|
|
short number;
|
|
|
|
/* build exception error string */
|
|
|
|
sprintf ( errstr, "expected int argument in [%d,%d]", min, max );
|
|
|
|
/* if value not of correct type, raise Type exception */
|
|
|
|
if( !PyInt_CheckExact ( value ) )
|
|
return EXPP_ReturnIntError( PyExc_TypeError, errstr );
|
|
|
|
/* if value out of range, raise Value exception */
|
|
|
|
number = PyInt_AS_LONG ( value );
|
|
if ( number < min || number > max )
|
|
return EXPP_ReturnIntError( PyExc_ValueError, errstr );
|
|
|
|
/* store value */
|
|
|
|
*param = number;
|
|
return 0;
|
|
}
|
|
|
|
int EXPP_setShortRange ( PyObject *value, short *param,
|
|
short min, short max )
|
|
{
|
|
char errstr[128];
|
|
short number;
|
|
|
|
sprintf ( errstr, "expected int argument in [%d,%d]", min, max );
|
|
|
|
if( !PyInt_CheckExact ( value ) )
|
|
return EXPP_ReturnIntError( PyExc_TypeError, errstr );
|
|
|
|
number = PyInt_AS_LONG ( value );
|
|
if ( number < min || number > max )
|
|
return EXPP_ReturnIntError( PyExc_ValueError, errstr );
|
|
|
|
*param = number;
|
|
return 0;
|
|
}
|
|
|
|
int EXPP_setIntRange ( PyObject *value, int *param,
|
|
int min, int max )
|
|
{
|
|
char errstr[128];
|
|
int number;
|
|
|
|
sprintf ( errstr, "expected int argument in [%d,%d]", min, max );
|
|
|
|
if( !PyInt_CheckExact ( value ) )
|
|
return EXPP_ReturnIntError( PyExc_TypeError, errstr );
|
|
|
|
number = PyInt_AS_LONG ( value );
|
|
if ( number < min || number > max )
|
|
return EXPP_ReturnIntError( PyExc_ValueError, errstr );
|
|
|
|
*param = number;
|
|
return 0;
|
|
}
|
|
|
|
int EXPP_setFloatRange ( PyObject *value, float *param,
|
|
float min, float max )
|
|
{
|
|
char errstr[128];
|
|
short number;
|
|
|
|
sprintf ( errstr, "expected int argument in [%f,%f]", min, max );
|
|
|
|
if( !PyFloat_CheckExact ( value ) )
|
|
return EXPP_ReturnIntError( PyExc_TypeError, errstr );
|
|
|
|
number = PyFloat_AS_DOUBLE( value );
|
|
if ( number < min || number > max )
|
|
return EXPP_ReturnIntError( PyExc_ValueError, errstr );
|
|
|
|
*param = number;
|
|
return 0;
|
|
}
|