DNA: use better type for SDNA->structs

The data layout remains exactly the same..
This change just gives all the elements in `SDNA->structs` names,
making it more comfortable to work with the data.

Reviewers: campbellbarton

Differential Revision: https://developer.blender.org/D8926

3 files changed, 5 insertions, 6 deletions

diff --git a/source/blender/blenloader/intern/readblenentry.c b/source/blender/blenloader/intern/readblenentry.c
index 888863dda06..7a527b82e9f 100644
--- a/source/blender/blenloader/intern/readblenentry.c
+++ b/source/blender/blenloader/intern/readblenentry.c
@@ -103,8 +103,8 @@ void BLO_blendhandle_print_sizes(BlendHandle *bh, void *fp)
       break;
     }
 
-    const short *sp = fd->filesdna->structs[bhead->SDNAnr];
-    const char *name = fd->filesdna->types[sp[0]];
+    const SDNA_Struct *struct_info = fd->filesdna->structs[bhead->SDNAnr];
+    const char *name = fd->filesdna->types[struct_info->type];
     char buf[4];
 
     buf[0] = (bhead->code >> 24) & 0xFF;
diff --git a/source/blender/blenloader/intern/readfile.c b/source/blender/blenloader/intern/readfile.c
index 2b68c5ea203..19fab73b259 100644
--- a/source/blender/blenloader/intern/readfile.c
+++ b/source/blender/blenloader/intern/readfile.c
@@ -2133,7 +2133,7 @@ static void switch_endian_structs(const struct SDNA *filesdna, BHead *bhead)
   char *data;
 
   data = (char *)(bhead + 1);
-  blocksize = filesdna->types_size[filesdna->structs[bhead->SDNAnr][0]];
+  blocksize = filesdna->types_size[filesdna->structs[bhead->SDNAnr]->type];
 
   nblocks = bhead->nr;
   while (nblocks--) {
diff --git a/source/blender/blenloader/intern/writefile.c b/source/blender/blenloader/intern/writefile.c
index 336276bdd40..74a4ddfd8f3 100644
--- a/source/blender/blenloader/intern/writefile.c
+++ b/source/blender/blenloader/intern/writefile.c
@@ -539,7 +539,6 @@ static void writestruct_at_address_nr(
     WriteData *wd, int filecode, const int struct_nr, int nr, const void *adr, const void *data)
 {
   BHead bh;
-  const short *sp;
 
   BLI_assert(struct_nr > 0 && struct_nr < SDNA_TYPE_MAX);
 
@@ -553,9 +552,9 @@ static void writestruct_at_address_nr(
   bh.nr = nr;
 
   bh.SDNAnr = struct_nr;
-  sp = wd->sdna->structs[bh.SDNAnr];
+  const SDNA_Struct *struct_info = wd->sdna->structs[bh.SDNAnr];
 
-  bh.len = nr * wd->sdna->types_size[sp[0]];
+  bh.len = nr * wd->sdna->types_size[struct_info->type];
 
   if (bh.len == 0) {
     return;