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blender-archive/source/blender/makesrna/intern/rna_dependency.c
Brecht Van Lommel 2a8484bc24 RNA
* Disable editable pointers for now, difficult to support well.
* Swap parameters in RNA_access.h functions to make it more
  consistent.
* Rename rna members for operators to wmOperatorType.srna, and
  wmOperator.ptr, to make the distincton a bit clearer.
• Removed the RNA_int_default and similar functions, they're too
  confusing. RNA_property_is_set can still be used to achieve
  the same goal.
* Add functions to create RNA pointers.

Some example code for RNA data access and operator properties:
http://wiki.blender.org/index.php/BlenderDev/Blender2.5/RNAExampleCode
2008-11-24 15:51:55 +00:00

93 lines
2.3 KiB
C

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "DNA_scene_types.h"
#include "RNA_access.h"
#include "RNA_types.h"
#if 0
typedef struct RNAGenDeps {
void *udata;
PropDependencyCallback cb;
} RNAGenDeps;
static void rna_generate_deps(RNAGenDeps *gen, PointerRNA *ptr, PointerRNA *idptr)
{
PropertyRNA *prop;
PointerRNA pptr;
CollectionPropertyIterator iter;
/* traverse recursively into ID struct properties, other
* pointers we potentially add as dependencies */
for(prop=ptr->type->properties.first; prop; prop=prop->next) {
if(prop->type == PROP_POINTER) {
RNA_property_pointer_get(ptr, prop, &pptr);
if(pptr.data && pptr.type) {
if(idptr && (pptr.type->flag & STRUCT_ID)) {
if(prop->flag & PROP_EVALUATE_DEPENDENCY)
gen->cb(gen->udata, ptr, &pptr);
else if(prop->flag & PROP_INVERSE_EVALUATE_DEPENDENCY)
gen->cb(gen->udata, ptr, &pptr);
}
else
rna_generate_deps(gen, &pptr, (idptr)? idptr: &pptr);
}
}
else if(prop->type == PROP_COLLECTION) {
RNA_property_collection_begin(ptr, prop, &iter);
while(iter.valid) {
RNA_property_collection_get(&pptr, prop, &iter);
if(pptr.data && pptr.type) {
if(idptr && (pptr.type->flag & STRUCT_ID)) {
if(prop->flag & PROP_EVALUATE_DEPENDENCY)
gen->cb(gen->udata, ptr, &pptr);
else if(prop->flag & PROP_INVERSE_EVALUATE_DEPENDENCY)
gen->cb(gen->udata, ptr, &pptr);
}
else
rna_generate_deps(gen, &pptr, (idptr)? idptr: &pptr);
}
RNA_property_collection_next(prop, &iter);
}
RNA_property_collection_end(prop, &iter);
}
}
}
void RNA_generate_dependencies(PointerRNA *ptr, void *udata, PropDependencyCallback cb)
{
RNAGenDeps gen;
gen.udata= udata;
gen.cb= cb;
rna_generate_deps(&gen, ptr, NULL);
}
void RNA_test_dependencies_cb(void *udata, PointerRNA *from, PointerRNA *to)
{
PropertyRNA *prop;
char name[256], nameto[256];
prop= from->type? from->type->nameproperty: NULL;
if(prop) RNA_property_string_get(prop, from, name);
else strcpy(name, "unknown");
prop= from->type? from->type->nameproperty: NULL;
if(prop) RNA_property_string_get(prop, to, nameto);
else strcpy(nameto, "unknown");
printf("%s (%s) -> %s (%s)\n", name, from->type->identifier, nameto, to->type->identifier);
}
#endif