Refactor: move remaining ViewLayer .blend I/O to blenkernel

Ref T76372.

2 files changed, 30 insertions, 0 deletions

diff --git a/source/blender/blenkernel/BKE_layer.h b/source/blender/blenkernel/BKE_layer.h
index 3d5062eada0..1fb3e746b37 100644
--- a/source/blender/blenkernel/BKE_layer.h
+++ b/source/blender/blenkernel/BKE_layer.h
@@ -36,6 +36,7 @@ extern "C" {
 struct Base;
 struct BlendDataReader;
 struct BlendLibReader;
+struct BlendWriter;
 struct Collection;
 struct Depsgraph;
 struct LayerCollection;
@@ -151,6 +152,7 @@ void BKE_layer_eval_view_layer_indexed(struct Depsgraph *depsgraph,
 
 /* .blend file I/O */
 
+void BKE_view_layer_blend_write(struct BlendWriter *writer, struct ViewLayer *view_layer);
 void BKE_view_layer_blend_read_data(struct BlendDataReader *reader, struct ViewLayer *view_layer);
 void BKE_view_layer_blend_read_lib(struct BlendLibReader *reader,
                                    struct Library *lib,
diff --git a/source/blender/blenkernel/intern/layer.c b/source/blender/blenkernel/intern/layer.c
index 4915ad4eaac..784cd5b2edf 100644
--- a/source/blender/blenkernel/intern/layer.c
+++ b/source/blender/blenkernel/intern/layer.c
@@ -1833,6 +1833,34 @@ void BKE_layer_eval_view_layer_indexed(struct Depsgraph *depsgraph,
   layer_eval_view_layer(depsgraph, scene, view_layer);
 }
 
+static void write_layer_collections(BlendWriter *writer, ListBase *lb)
+{
+  LISTBASE_FOREACH (LayerCollection *, lc, lb) {
+    BLO_write_struct(writer, LayerCollection, lc);
+
+    write_layer_collections(writer, &lc->layer_collections);
+  }
+}
+
+void BKE_view_layer_blend_write(BlendWriter *writer, ViewLayer *view_layer)
+{
+  BLO_write_struct(writer, ViewLayer, view_layer);
+  BLO_write_struct_list(writer, Base, &view_layer->object_bases);
+
+  if (view_layer->id_properties) {
+    IDP_BlendWrite(writer, view_layer->id_properties);
+  }
+
+  LISTBASE_FOREACH (FreestyleModuleConfig *, fmc, &view_layer->freestyle_config.modules) {
+    BLO_write_struct(writer, FreestyleModuleConfig, fmc);
+  }
+
+  LISTBASE_FOREACH (FreestyleLineSet *, fls, &view_layer->freestyle_config.linesets) {
+    BLO_write_struct(writer, FreestyleLineSet, fls);
+  }
+  write_layer_collections(writer, &view_layer->layer_collections);
+}
+
 static void direct_link_layer_collections(BlendDataReader *reader, ListBase *lb, bool master)
 {
   BLO_read_list(reader, lb);