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Avoid duplication of mod metadata in memory (#12562)

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Co-authored-by: sfan5 <sfan5@live.de>
This commit is contained in:
Jude Melton-Houghton 2022-09-26 17:03:43 -04:00 • committed by GitHub
parent 03428d9825
commit f4a01f3a5d
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GPG key ID: 4AEE18F83AFDEB23
37 changed files with 527 additions and 272 deletions
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45
src/script/lua_api/l_storage.cpp
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@ -20,7 +20,6 @@ with this program; if not, write to the Free Software Foundation, Inc.,
#include "lua_api/l_storage.h"
#include "l_internal.h"
#include "content/mods.h"
#include "server.h"
int ModApiStorage::l_get_mod_storage(lua_State *L)
@ -28,23 +27,12 @@ int ModApiStorage::l_get_mod_storage(lua_State *L)
// Note that this is wrapped in Lua, see builtin/common/mod_storage.lua
std::string mod_name = readParam<std::string>(L, 1);
ModMetadata *store = nullptr;
if (IGameDef *gamedef = getGameDef(L)) {
store = new ModMetadata(mod_name, gamedef->getModStorageDatabase());
if (gamedef->registerModStorage(store)) {
StorageRef::create(L, store);
int object = lua_gettop(L);
lua_pushvalue(L, object);
return 1;
}
StorageRef::create(L, mod_name, gamedef->getModStorageDatabase());
} else {
assert(false); // this should not happen
lua_pushnil(L);
}
delete store;
lua_pushnil(L);
return 1;
}
@ -53,19 +41,9 @@ void ModApiStorage::Initialize(lua_State *L, int top)
API_FCT(get_mod_storage);
}
StorageRef::StorageRef(ModMetadata *object):
m_object(object)
void StorageRef::create(lua_State *L, const std::string &mod_name, ModMetadataDatabase *db)
{
}
StorageRef::~StorageRef()
{
delete m_object;
}
void StorageRef::create(lua_State *L, ModMetadata *object)
{
StorageRef *o = new StorageRef(object);
StorageRef *o = new StorageRef(mod_name, db);
*(void **)(lua_newuserdata(L, sizeof(void *))) = o;
luaL_getmetatable(L, className);
lua_setmetatable(L, -2);
@ -74,9 +52,6 @@ void StorageRef::create(lua_State *L, ModMetadata *object)
int StorageRef::gc_object(lua_State *L)
{
StorageRef *o = *(StorageRef **)(lua_touserdata(L, 1));
// Server side
if (IGameDef *gamedef = getGameDef(L))
gamedef->unregisterModStorage(getobject(o)->getModName());
delete o;
return 0;
}
@ -122,20 +97,14 @@ StorageRef* StorageRef::checkobject(lua_State *L, int narg)
return *(StorageRef**)ud; // unbox pointer
}
ModMetadata* StorageRef::getobject(StorageRef *ref)
IMetadata* StorageRef::getmeta(bool auto_create)
{
ModMetadata *co = ref->m_object;
return co;
}
Metadata* StorageRef::getmeta(bool auto_create)
{
return m_object;
return &m_object;
}
void StorageRef::clearMeta()
{
m_object->clear();
m_object.clear();
}
const char StorageRef::className[] = "StorageRef";