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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| 
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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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| 
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| #include <Python.h>
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| 
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| #include "MEM_guardedalloc.h"
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| 
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| #include "BLI_utildefines.h"
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| 
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| #include "BKE_fcurve_driver.h"
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| 
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| #include "RNA_access.h"
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| 
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| #include "bpy_rna.h"
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| 
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| #include "bpy_rna_driver.h" /* own include */
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| 
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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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| 
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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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| 
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|   return driver_arg;
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| }
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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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| 
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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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| 
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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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