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-rw-r--r--src/saveload/saveload.cpp37
1 files changed, 33 insertions, 4 deletions
diff --git a/src/saveload/saveload.cpp b/src/saveload/saveload.cpp
index 3ca10b527..9f3aa7d1d 100644
--- a/src/saveload/saveload.cpp
+++ b/src/saveload/saveload.cpp
@@ -1467,6 +1467,10 @@ size_t SlCalcObjMemberLength(const void *object, const SaveLoad &sld)
_sl.obj_len = old_obj_len;
_sl.need_length = old_need_length;
+ if (sld.cmd == SL_STRUCT) {
+ length += SlGetArrayLength(1);
+ }
+
return length;
}
default: NOT_REACHED();
@@ -1575,10 +1579,35 @@ static bool SlObjectMember(void *object, const SaveLoad &sld)
if (!SlIsObjectValidInSavegame(sld)) return false;
switch (_sl.action) {
- case SLA_SAVE: sld.handler->Save(object); break;
- case SLA_LOAD_CHECK: sld.handler->LoadCheck(object); break;
- case SLA_LOAD: sld.handler->Load(object); break;
- case SLA_PTRS: sld.handler->FixPointers(object); break;
+ case SLA_SAVE: {
+ if (sld.cmd == SL_STRUCT) {
+ /* Store in the savegame if this struct was written or not. */
+ SlSetStructListLength(SlCalcObjMemberLength(object, sld) > SlGetArrayLength(1) ? 1 : 0);
+ }
+ sld.handler->Save(object);
+ break;
+ }
+
+ case SLA_LOAD_CHECK: {
+ if (sld.cmd == SL_STRUCT && !IsSavegameVersionBefore(SLV_SAVELOAD_LIST_LENGTH)) {
+ SlGetStructListLength(1);
+ }
+ sld.handler->LoadCheck(object);
+ break;
+ }
+
+ case SLA_LOAD: {
+ if (sld.cmd == SL_STRUCT && !IsSavegameVersionBefore(SLV_SAVELOAD_LIST_LENGTH)) {
+ SlGetStructListLength(1);
+ }
+ sld.handler->Load(object);
+ break;
+ }
+
+ case SLA_PTRS:
+ sld.handler->FixPointers(object);
+ break;
+
case SLA_NULL: break;
default: NOT_REACHED();
}