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

/* 
 *
 * ***** 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): Michel Selten
 *
 * ***** END GPL/BL DUAL LICENSE BLOCK *****
*/

#include <stdio.h>

#include <Python.h>

#include <BKE_global.h>
#include <BKE_main.h>
#include <DNA_ID.h>
#include <DNA_camera_types.h>
#include <DNA_lamp_types.h>
#include <DNA_material_types.h>
#include <DNA_object_types.h>
#include <DNA_scene_types.h>
#include <DNA_scriptlink_types.h>
#include <DNA_world_types.h>

#include "gen_utils.h"
#include "modules.h"

void initBlenderApi2_2x (void)
{
  //printf ("initBlenderApi2_2x\n");
  g_blenderdict = NULL;
  M_Blender_Init ();
}

void clearScriptLinks (void)
{
    Py_INCREF (Py_False);
    PyDict_SetItemString (g_blenderdict, "bylink", Py_False);
    /* Old API meant link could be unset. Or even valid when bylink is false.
     * This way, you can import it and check its value afterwards, ignoring
     * bylink. */
    Py_INCREF (Py_None);
    PyDict_SetItemString (g_blenderdict, "link", Py_None);
}

ScriptLink * setScriptLinks(ID *id, short event)
{
  ScriptLink  * scriptlink;
  PyObject    * link;
  Object      * object;
  int           obj_id;

  obj_id = MAKE_ID2 (id->name[0], id->name[1]);
  //printf ("In setScriptLinks (id=%s, event=%d)\n",id->name, event);

  switch (obj_id)
  {
    case ID_OB:
      object = GetObjectByName (GetIdName (id));
      if (object == NULL)
      {
        return NULL;
      }
      link = Object_CreatePyObject (object);
      scriptlink = &(object->scriptlink);
      break;
    case ID_LA:
      scriptlink = NULL;
      Py_INCREF(Py_None);
      link = Py_None;
      break;
    case ID_CA:
      scriptlink = NULL;
      Py_INCREF(Py_None);
      link = Py_None;
      break;
    case ID_MA:
      scriptlink = NULL;
      Py_INCREF(Py_None);
      link = Py_None;
      break;
    case ID_WO:
      scriptlink = NULL;
      Py_INCREF(Py_None);
      link = Py_None;
      break;
    case ID_SCE:
      scriptlink = NULL;
      Py_INCREF(Py_None);
      link = Py_None;
      break;
    default:
      Py_INCREF(Py_None);
      link = Py_None;
      return NULL;
  }

  if (scriptlink == NULL)
  {
    /* This is probably not an internal error anymore :)
TODO: Check this
    printf ("Internal error, unable to create PyBlock for script link\n");
    */
    Py_INCREF(Py_False);
    PyDict_SetItemString(g_blenderdict, "bylink", Py_False);
    return NULL;
  }
  else
  {
    Py_INCREF(Py_True);
    PyDict_SetItemString(g_blenderdict, "bylink", Py_True);
  }

  PyDict_SetItemString(g_blenderdict, "link", link);
  PyDict_SetItemString(g_blenderdict, "event",
      Py_BuildValue("s", event_to_name(event)));

  return (scriptlink);
}