From 808b03da437043d7bb809a4d0e9e523bbfad95f9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?K=C3=A9vin=20Dietrich?= <kevin.dietrich@mailoo.org>
Date: Wed, 28 Sep 2022 11:52:22 +0200
Subject: Cleanup: decentralize .blend I/O for space types

This adds callbacks to `SpaceType` to make each editor responsible to
manage their own .blend I/O, and moves relevant code from `screen.c`
to the editors files.

Differential Revision: D11069
---
 source/blender/editors/space_nla/CMakeLists.txt |  6 ++++-
 source/blender/editors/space_nla/space_nla.c    | 32 +++++++++++++++++++++++++
 2 files changed, 37 insertions(+), 1 deletion(-)

(limited to 'source/blender/editors/space_nla')

diff --git a/source/blender/editors/space_nla/CMakeLists.txt b/source/blender/editors/space_nla/CMakeLists.txt
index e6995085dbe..5df0ebb3b28 100644
--- a/source/blender/editors/space_nla/CMakeLists.txt
+++ b/source/blender/editors/space_nla/CMakeLists.txt
@@ -4,6 +4,7 @@ set(INC
   ../include
   ../../blenkernel
   ../../blenlib
+  ../../blenloader
   ../../blentranslation
   ../../depsgraph
   ../../gpu
@@ -11,6 +12,9 @@ set(INC
   ../../makesrna
   ../../windowmanager
   ../../../../intern/guardedalloc
+
+  # dna_type_offsets.h
+  ${CMAKE_CURRENT_BINARY_DIR}/../../makesdna/intern
   # RNA_prototypes.h
   ${CMAKE_BINARY_DIR}/source/blender/makesrna
 )
@@ -36,5 +40,5 @@ set(LIB
 
 blender_add_lib(bf_editor_space_nla "${SRC}" "${INC}" "${INC_SYS}" "${LIB}")
 
-# RNA_prototypes.h
+# RNA_prototypes.h dna_type_offsets.h
 add_dependencies(bf_editor_space_nla bf_rna)
diff --git a/source/blender/editors/space_nla/space_nla.c b/source/blender/editors/space_nla/space_nla.c
index e658ddef513..12f8915764b 100644
--- a/source/blender/editors/space_nla/space_nla.c
+++ b/source/blender/editors/space_nla/space_nla.c
@@ -36,6 +36,8 @@
 #include "UI_resources.h"
 #include "UI_view2d.h"
 
+#include "BLO_read_write.h"
+
 #include "nla_intern.h" /* own include */
 
 /* ******************** default callbacks for nla space ***************** */
@@ -562,6 +564,33 @@ static void nla_id_remap(ScrArea *UNUSED(area),
   BKE_id_remapper_apply(mappings, (ID **)&snla->ads->source, ID_REMAP_APPLY_DEFAULT);
 }
 
+static void nla_blend_read_data(BlendDataReader *reader, SpaceLink *sl)
+{
+  SpaceNla *snla = (SpaceNla *)sl;
+  BLO_read_data_address(reader, &snla->ads);
+}
+
+static void nla_blend_read_lib(BlendLibReader *reader, ID *parent_id, SpaceLink *sl)
+{
+  SpaceNla *snla = (SpaceNla *)sl;
+  bDopeSheet *ads = snla->ads;
+
+  if (ads) {
+    BLO_read_id_address(reader, parent_id->lib, &ads->source);
+    BLO_read_id_address(reader, parent_id->lib, &ads->filter_grp);
+  }
+}
+
+static void nla_blend_write(BlendWriter *writer, SpaceLink *sl)
+{
+  SpaceNla *snla = (SpaceNla *)sl;
+
+  BLO_write_struct(writer, SpaceNla, snla);
+  if (snla->ads) {
+    BLO_write_struct(writer, bDopeSheet, snla->ads);
+  }
+}
+
 void ED_spacetype_nla(void)
 {
   SpaceType *st = MEM_callocN(sizeof(SpaceType), "spacetype nla");
@@ -578,6 +607,9 @@ void ED_spacetype_nla(void)
   st->listener = nla_listener;
   st->keymap = nla_keymap;
   st->id_remap = nla_id_remap;
+  st->blend_read_data = nla_blend_read_data;
+  st->blend_read_lib = nla_blend_read_lib;
+  st->blend_write = nla_blend_write;
 
   /* regions: main window */
   art = MEM_callocN(sizeof(ARegionType), "spacetype nla region");
-- 
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