Adding support for adding copies of existing drivers to other animdata

blocks via PyAPI/RNA

For example:
ob = bpy.context.active_object # assumes default cube has some drivers
added already before running script
dst = bpy.data.objects["Camera"]

adt = dst.animation_data_create()
for driver in ob.animation_data.drivers:
    new_driver = adt.drivers.from_existing(driver)
This commit is contained in:
Joshua Leung 2011-04-26 13:49:40 +00:00
parent 481aed1d0e
commit 64a37fadf0
2 changed files with 53 additions and 10 deletions

@ -194,7 +194,7 @@ AnimData *BKE_copy_animdata (AnimData *adt, const short do_action)
dadt= MEM_dupallocN(adt);
/* make a copy of action - at worst, user has to delete copies... */
if(do_action) {
if (do_action) {
dadt->action= copy_action(adt->action);
dadt->tmpact= copy_action(adt->tmpact);
}
@ -216,11 +216,11 @@ AnimData *BKE_copy_animdata (AnimData *adt, const short do_action)
return dadt;
}
int BKE_copy_animdata_id(struct ID *id_to, struct ID *id_from, const short do_action)
int BKE_copy_animdata_id (ID *id_to, ID *id_from, const short do_action)
{
AnimData *adt;
if((id_to && id_from) && (GS(id_to->name) != GS(id_from->name)))
if ((id_to && id_from) && (GS(id_to->name) != GS(id_from->name)))
return 0;
BKE_free_animdata(id_to);
@ -237,13 +237,13 @@ int BKE_copy_animdata_id(struct ID *id_to, struct ID *id_from, const short do_ac
void BKE_copy_animdata_id_action(struct ID *id)
{
AnimData *adt= BKE_animdata_from_id(id);
if(adt) {
if(adt->action) {
((ID *)adt->action)->us--;
if (adt) {
if (adt->action) {
id_us_min((ID *)adt->action);
adt->action= copy_action(adt->action);
}
if(adt->tmpact) {
((ID *)adt->tmpact)->us--;
if (adt->tmpact) {
id_us_min((ID *)adt->tmpact);
adt->tmpact= copy_action(adt->tmpact);
}
}

@ -55,6 +55,7 @@ EnumPropertyItem keyingset_path_grouping_items[] = {
#ifdef RNA_RUNTIME
#include "BKE_animsys.h"
#include "BKE_fcurve.h"
#include "BKE_nla.h"
#include "WM_api.h"
@ -457,6 +458,24 @@ static void rna_NlaTrack_active_set(PointerRNA *ptr, PointerRNA value)
BKE_nlatrack_set_active(&adt->nla_tracks, track);
}
static FCurve *rna_Driver_from_existing(AnimData *adt, bContext *C, FCurve *src_driver)
{
/* verify that we've got a driver to duplicate */
if (ELEM(NULL, src_driver, src_driver->driver)) {
BKE_reportf(CTX_wm_reports(C), RPT_ERROR, "No valid driver data to create copy of");
return NULL;
}
else {
/* just make a copy of the existing one and add to self */
FCurve *new_fcu = copy_fcurve(src_driver);
// XXX: if we impose any ordering on these someday, this will be problematic
BLI_addtail(&adt->drivers, new_fcu);
return new_fcu;
}
}
#else
/* helper function for Keying Set -> keying settings */
@ -724,7 +743,7 @@ static void rna_api_animdata_nla_tracks(BlenderRNA *brna, PropertyRNA *cprop)
func = RNA_def_function(srna, "new", "rna_NlaTrack_new");
RNA_def_function_flag(func, FUNC_USE_CONTEXT);
RNA_def_function_ui_description(func, "Add a new NLA Tracks");
RNA_def_function_ui_description(func, "Add a new NLA Track");
RNA_def_pointer(func, "prev", "NlaTrack", "", "NLA Track to add the new one after.");
/* return type */
parm = RNA_def_pointer(func, "track", "NlaTrack", "", "New NLA Track.");
@ -745,6 +764,28 @@ static void rna_api_animdata_nla_tracks(BlenderRNA *brna, PropertyRNA *cprop)
RNA_def_property_update(prop, NC_ANIMATION|ND_NLA|NA_SELECTED, NULL);
}
static void rna_api_animdata_drivers(BlenderRNA *brna, PropertyRNA *cprop)
{
StructRNA *srna;
PropertyRNA *parm;
FunctionRNA *func;
PropertyRNA *prop;
RNA_def_property_srna(cprop, "AnimDataDrivers");
srna= RNA_def_struct(brna, "AnimDataDrivers", NULL);
RNA_def_struct_sdna(srna, "AnimData");
RNA_def_struct_ui_text(srna, "Drivers", "Collection of Driver F-Curves");
func = RNA_def_function(srna, "from_existing", "rna_Driver_from_existing");
RNA_def_function_flag(func, FUNC_USE_CONTEXT);
RNA_def_function_ui_description(func, "Add a new driver given an existing one");
RNA_def_pointer(func, "src_driver", "FCurve", "", "Existing Driver F-Curve to use as template for a new one");
/* return type */
parm = RNA_def_pointer(func, "driver", "FCurve", "", "New Driver F-Curve.");
RNA_def_function_return(func, parm);
}
void rna_def_animdata_common(StructRNA *srna)
{
PropertyRNA *prop;
@ -774,7 +815,7 @@ void rna_def_animdata(BlenderRNA *brna)
/* Active Action */
prop= RNA_def_property(srna, "action", PROP_POINTER, PROP_NONE);
RNA_def_property_flag(prop, PROP_EDITABLE); /* this flag as well as the dynamic test must be defined for this to be editable... */
RNA_def_property_pointer_funcs(prop, NULL, NULL, NULL, "rna_Action_id_poll");
RNA_def_property_pointer_funcs(prop, NULL, "rna_AnimData_action_set", NULL, "rna_Action_id_poll");
RNA_def_property_editable_func(prop, "rna_AnimData_action_editable");
RNA_def_property_ui_text(prop, "Action", "Active Action for this datablock");
RNA_def_property_update(prop, NC_ANIMATION, NULL); /* this will do? */
@ -805,6 +846,8 @@ void rna_def_animdata(BlenderRNA *brna)
RNA_def_property_struct_type(prop, "FCurve");
RNA_def_property_ui_text(prop, "Drivers", "The Drivers/Expressions for this datablock");
rna_api_animdata_drivers(brna, prop);
/* General Settings */
prop= RNA_def_property(srna, "use_nla", PROP_BOOLEAN, PROP_NONE);
RNA_def_property_boolean_negative_sdna(prop, NULL, "flag", ADT_NLA_EVAL_OFF);