Add Chromium-only Blender WebEngine parity work

blender-5.2.0/source/blender/animrig/ANIM_pose.hh

@@ -0,0 +1,73 @@
+/* SPDX-FileCopyrightText: 2024 Blender Authors
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later */
+
+/** \file
+ * \ingroup animrig
+ *
+ * \brief Functions to work with animation poses.
+ */
+
+#pragma once
+
+#include "ANIM_action.hh"
+#include "BLI_span.hh"
+
+namespace blender {
+
+struct AnimationEvalContext;
+struct Object;
+struct bAction;
+
+namespace animrig {
+
+/**
+ * Evaluate the action and apply it to the pose. Ignore selection state of the bones.
+ */
+void pose_apply_action_all_bones(Object *ob,
+                                 bAction *action,
+                                 slot_handle_t slot_handle,
+                                 const AnimationEvalContext *anim_eval_context);
+
+/**
+ * Evaluate the action and blend the result into the current pose based on `blend_factor`.
+ * Only FCurves that relate to selected bones are evaluated.
+ */
+void pose_apply_action_blend(Object *ob,
+                             bAction *action,
+                             slot_handle_t slot_handle,
+                             const AnimationEvalContext *anim_eval_context,
+                             float blend_factor);
+
+/**
+ * Like `pose_apply_action_blend` but applies to all bones regardless of selection.
+ */
+void pose_apply_action_blend_all_bones(Object *ob,
+                                       bAction *action,
+                                       slot_handle_t slot_handle,
+                                       const AnimationEvalContext *anim_eval_context,
+                                       float blend_factor);
+
+/**
+ * Apply the given Action to all objects of the Span.
+ * The slot is chosen automatically, see `get_best_pose_slot_for_id`.
+ */
+void pose_apply_action(Span<Object *> objects,
+                       Action &pose_action,
+                       const AnimationEvalContext *anim_eval_context,
+                       float blend_factor);
+/**
+ * Return true if any bone is selected. This is useful to decide if all bones should be affected
+ * or not.
+ */
+bool any_bone_selected(Span<const Object *> objects);
+
+/**
+ * Get the best slot to read pose data from for the given ID.
+ * Will always return a Slot as it falls back to the first Slot.
+ *
+ * Assumes that the Action has at least one Slot.
+ */
+Slot &get_best_pose_slot_for_id(const ID &id, Action &pose_data);
+}  // namespace animrig
+}  // namespace blender