Refactor: move MotionPath .blend I/O to blenkernel

Ref T76372.

4 files changed, 42 insertions, 34 deletions

diff --git a/source/blender/blenkernel/BKE_anim_visualization.h b/source/blender/blenkernel/BKE_anim_visualization.h
index fb7875a112e..decb2e0b210 100644
--- a/source/blender/blenkernel/BKE_anim_visualization.h
+++ b/source/blender/blenkernel/BKE_anim_visualization.h
@@ -32,6 +32,8 @@ struct Scene;
 struct bAnimVizSettings;
 struct bMotionPath;
 struct bPoseChannel;
+struct BlendWriter;
+struct BlendDataReader;
 
 /* ---------------------------------------------------- */
 /* Animation Visualization */
@@ -48,6 +50,9 @@ struct bMotionPath *animviz_verify_motionpaths(struct ReportList *reports,
                                                struct Object *ob,
                                                struct bPoseChannel *pchan);
 
+void animviz_motionpath_blend_write(struct BlendWriter *writer, struct bMotionPath *mpath);
+void animviz_motionpath_blend_read_data(struct BlendDataReader *reader, struct bMotionPath *mpath);
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/source/blender/blenkernel/intern/anim_visualization.c b/source/blender/blenkernel/intern/anim_visualization.c
index 5452e2513fb..ecd71ec08fe 100644
--- a/source/blender/blenkernel/intern/anim_visualization.c
+++ b/source/blender/blenkernel/intern/anim_visualization.c
@@ -34,6 +34,8 @@
 
 #include "GPU_batch.h"
 
+#include "BLO_read_write.h"
+
 /* ******************************************************************** */
 /* Animation Visualization */
 
@@ -224,3 +226,32 @@ bMotionPath *animviz_verify_motionpaths(ReportList *reports,
   /* return it */
   return mpath;
 }
+
+void animviz_motionpath_blend_write(BlendWriter *writer, bMotionPath *mpath)
+{
+  /* sanity checks */
+  if (mpath == NULL) {
+    return;
+  }
+
+  /* firstly, just write the motionpath struct */
+  BLO_write_struct(writer, bMotionPath, mpath);
+
+  /* now write the array of data */
+  BLO_write_struct_array(writer, bMotionPathVert, mpath->length, mpath->points);
+}
+
+void animviz_motionpath_blend_read_data(BlendDataReader *reader, bMotionPath *mpath)
+{
+  /* sanity check */
+  if (mpath == NULL) {
+    return;
+  }
+
+  /* relink points cache */
+  BLO_read_data_address(reader, &mpath->points);
+
+  mpath->points_vbo = NULL;
+  mpath->batch_line = NULL;
+  mpath->batch_points = NULL;
+}
diff --git a/source/blender/blenloader/intern/readfile.c b/source/blender/blenloader/intern/readfile.c
index 2b93f5222db..77a1925d444 100644
--- a/source/blender/blenloader/intern/readfile.c
+++ b/source/blender/blenloader/intern/readfile.c
@@ -113,6 +113,7 @@
 
 #include "BKE_action.h"
 #include "BKE_anim_data.h"
+#include "BKE_anim_visualization.h"
 #include "BKE_animsys.h"
 #include "BKE_armature.h"
 #include "BKE_brush.h"
@@ -2912,22 +2913,6 @@ static void lib_link_object(BlendLibReader *reader, Object *ob)
   }
 }
 
-/* direct data for cache */
-static void direct_link_motionpath(BlendDataReader *reader, bMotionPath *mpath)
-{
-  /* sanity check */
-  if (mpath == NULL) {
-    return;
-  }
-
-  /* relink points cache */
-  BLO_read_data_address(reader, &mpath->points);
-
-  mpath->points_vbo = NULL;
-  mpath->batch_line = NULL;
-  mpath->batch_points = NULL;
-}
-
 static void direct_link_pose(BlendDataReader *reader, bPose *pose)
 {
   if (!pose) {
@@ -2959,7 +2944,7 @@ static void direct_link_pose(BlendDataReader *reader, bPose *pose)
 
     BLO_read_data_address(reader, &pchan->mpath);
     if (pchan->mpath) {
-      direct_link_motionpath(reader, pchan->mpath);
+      animviz_motionpath_blend_read_data(reader, pchan->mpath);
     }
 
     BLI_listbase_clear(&pchan->iktree);
@@ -3005,7 +2990,7 @@ static void direct_link_object(BlendDataReader *reader, Object *ob)
 
   BLO_read_data_address(reader, &ob->mpath);
   if (ob->mpath) {
-    direct_link_motionpath(reader, ob->mpath);
+    animviz_motionpath_blend_read_data(reader, ob->mpath);
   }
 
   BLO_read_list(reader, &ob->defbase);
diff --git a/source/blender/blenloader/intern/writefile.c b/source/blender/blenloader/intern/writefile.c
index ea3c81ba121..d9c629eaf4d 100644
--- a/source/blender/blenloader/intern/writefile.c
+++ b/source/blender/blenloader/intern/writefile.c
@@ -129,6 +129,7 @@
 
 #include "BKE_action.h"
 #include "BKE_anim_data.h"
+#include "BKE_anim_visualization.h"
 #include "BKE_animsys.h"
 #include "BKE_armature.h"
 #include "BKE_blender_version.h"
@@ -810,20 +811,6 @@ static void write_userdef(BlendWriter *writer, const UserDef *userdef)
   }
 }
 
-static void write_motionpath(BlendWriter *writer, bMotionPath *mpath)
-{
-  /* sanity checks */
-  if (mpath == NULL) {
-    return;
-  }
-
-  /* firstly, just write the motionpath struct */
-  BLO_write_struct(writer, bMotionPath, mpath);
-
-  /* now write the array of data */
-  BLO_write_struct_array(writer, bMotionPathVert, mpath->length, mpath->points);
-}
-
 static void write_constraints(BlendWriter *writer, ListBase *conlist)
 {
   LISTBASE_FOREACH (bConstraint *, con, conlist) {
@@ -895,7 +882,7 @@ static void write_pose(BlendWriter *writer, bPose *pose, bArmature *arm)
 
     write_constraints(writer, &chan->constraints);
 
-    write_motionpath(writer, chan->mpath);
+    animviz_motionpath_blend_write(writer, chan->mpath);
 
     /* Prevent crashes with autosave,
      * when a bone duplicated in edit-mode has not yet been assigned to its pose-channel.
@@ -980,7 +967,7 @@ static void write_object(BlendWriter *writer, Object *ob, const void *id_address
     write_defgroups(writer, &ob->defbase);
     write_fmaps(writer, &ob->fmaps);
     write_constraints(writer, &ob->constraints);
-    write_motionpath(writer, ob->mpath);
+    animviz_motionpath_blend_write(writer, ob->mpath);
 
     BLO_write_struct(writer, PartDeflect, ob->pd);
     if (ob->soft) {