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/* SPDX-License-Identifier: GPL-2.0-or-later
* Copyright 2015 Blender Foundation. All rights reserved. */
/** \file
* \ingroup bke
*/
#include "BKE_action.hh"
#include "BKE_animsys.h"
#include "BKE_armature.hh"
#include "BLI_function_ref.hh"
#include "BLI_set.hh"
#include "DNA_action_types.h"
#include "DNA_anim_types.h"
#include "DNA_armature_types.h"
#include "DNA_object_types.h"
#include "RNA_access.h"
using namespace blender::bke;
namespace {
using ActionApplier =
blender::FunctionRef<void(PointerRNA *, bAction *, const AnimationEvalContext *)>;
/* Forward declarations. */
void pose_apply_disable_fcurves_for_unselected_bones(bAction *action,
const BoneNameSet &selected_bone_names);
void pose_apply_restore_fcurves(bAction *action);
void pose_apply(struct Object *ob,
struct bAction *action,
struct AnimationEvalContext *anim_eval_context,
ActionApplier applier);
} // namespace
void BKE_pose_apply_action_selected_bones(struct Object *ob,
struct bAction *action,
struct AnimationEvalContext *anim_eval_context)
{
auto evaluate_and_apply =
[](PointerRNA *ptr, bAction *act, const AnimationEvalContext *anim_eval_context) {
animsys_evaluate_action(ptr, act, anim_eval_context, false);
};
pose_apply(ob, action, anim_eval_context, evaluate_and_apply);
}
void BKE_pose_apply_action_all_bones(struct Object *ob,
struct bAction *action,
struct AnimationEvalContext *anim_eval_context)
{
PointerRNA pose_owner_ptr;
RNA_id_pointer_create(&ob->id, &pose_owner_ptr);
animsys_evaluate_action(&pose_owner_ptr, action, anim_eval_context, false);
}
void BKE_pose_apply_action_blend(struct Object *ob,
struct bAction *action,
struct AnimationEvalContext *anim_eval_context,
const float blend_factor)
{
auto evaluate_and_blend = [blend_factor](PointerRNA *ptr,
bAction *act,
const AnimationEvalContext *anim_eval_context) {
animsys_blend_in_action(ptr, act, anim_eval_context, blend_factor);
};
pose_apply(ob, action, anim_eval_context, evaluate_and_blend);
}
namespace {
void pose_apply(struct Object *ob,
struct bAction *action,
struct AnimationEvalContext *anim_eval_context,
ActionApplier applier)
{
bPose *pose = ob->pose;
if (pose == nullptr) {
return;
}
const bArmature *armature = (bArmature *)ob->data;
const BoneNameSet selected_bone_names = BKE_armature_find_selected_bone_names(armature);
const bool limit_to_selected_bones = !selected_bone_names.is_empty();
if (limit_to_selected_bones) {
/* Mute all FCurves that are not associated with selected bones. This separates the concept of
* bone selection from the FCurve evaluation code. */
pose_apply_disable_fcurves_for_unselected_bones(action, selected_bone_names);
}
/* Apply the Action. */
PointerRNA pose_owner_ptr;
RNA_id_pointer_create(&ob->id, &pose_owner_ptr);
applier(&pose_owner_ptr, action, anim_eval_context);
if (limit_to_selected_bones) {
pose_apply_restore_fcurves(action);
}
}
void pose_apply_restore_fcurves(bAction *action)
{
/* TODO(Sybren): Restore the FCurve flags, instead of just erasing the 'disabled' flag. */
LISTBASE_FOREACH (FCurve *, fcu, &action->curves) {
fcu->flag &= ~FCURVE_DISABLED;
}
}
void pose_apply_disable_fcurves_for_unselected_bones(bAction *action,
const BoneNameSet &selected_bone_names)
{
auto disable_unselected_fcurve = [&](FCurve *fcu, const char *bone_name) {
const bool is_bone_selected = selected_bone_names.contains(bone_name);
if (!is_bone_selected) {
fcu->flag |= FCURVE_DISABLED;
}
};
BKE_action_find_fcurves_with_bones(action, disable_unselected_fcurve);
}
} // namespace
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