101 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			101 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/*
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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.
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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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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 */
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/** \file
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 * \ingroup pythonintern
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 *
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 * This file defines utility functions that use the RNA API, from PyDrivers.
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 */
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#include <Python.h>
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#include "MEM_guardedalloc.h"
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#include "BLI_utildefines.h"
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#include "BKE_fcurve_driver.h"
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#include "RNA_access.h"
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#include "bpy_rna.h"
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#include "bpy_rna_driver.h" /* own include */
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/**
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 * A version of #driver_get_variable_value which returns a PyObject.
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 */
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PyObject *pyrna_driver_get_variable_value(struct ChannelDriver *driver, struct DriverTarget *dtar)
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{
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  PyObject *driver_arg = NULL;
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  PointerRNA ptr;
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  PropertyRNA *prop = NULL;
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  int index;
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  if (driver_get_variable_property(driver, dtar, &ptr, &prop, &index)) {
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    if (prop) {
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      if (index != -1) {
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        if (index < RNA_property_array_length(&ptr, prop) && index >= 0) {
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          /* object, property & index */
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          driver_arg = pyrna_array_index(&ptr, prop, index);
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        }
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        else {
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          /* out of range, pass */
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        }
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      }
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      else {
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        /* object & property */
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        const PropertyType type = RNA_property_type(prop);
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        if (type == PROP_ENUM) {
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          /* Note that enum's are converted to strings by default,
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           * we want to avoid that, see: T52213 */
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          driver_arg = PyLong_FromLong(RNA_property_enum_get(&ptr, prop));
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        }
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        else {
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          driver_arg = pyrna_prop_to_py(&ptr, prop);
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        }
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      }
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    }
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    else {
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      /* object only */
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      driver_arg = pyrna_struct_CreatePyObject(&ptr);
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    }
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  }
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  else {
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    /* can't resolve path, pass */
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  }
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  return driver_arg;
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}
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PyObject *pyrna_driver_self_from_anim_rna(PathResolvedRNA *anim_rna)
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{
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  return pyrna_struct_CreatePyObject(&anim_rna->ptr);
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}
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bool pyrna_driver_is_equal_anim_rna(const PathResolvedRNA *anim_rna, const PyObject *py_anim_rna)
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{
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  if (BPy_StructRNA_Check(py_anim_rna)) {
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    const PointerRNA *ptr_a = &anim_rna->ptr;
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    const PointerRNA *ptr_b = &(((const BPy_StructRNA *)py_anim_rna)->ptr);
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    if ((ptr_a->owner_id == ptr_b->owner_id) && (ptr_a->type == ptr_b->type) &&
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        (ptr_a->data == ptr_b->data)) {
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      return true;
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    }
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  }
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  return false;
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}
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