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Add ModMetadata API (#5131)

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* mod can create a ModMetadata object where store its values and retrieve it.
* Modmetadata object can only be fetched at mod loading
* Save when modified using same time as map interval or at server stop
* add helper function to get mod storage path
* ModMetadata has exactly same calls than all every other Metadata
This commit is contained in:
Loïc Blot 2017-02-08 00:15:55 +01:00 • committed by GitHub
parent 0680c47d6c
commit ef6feca501
12 changed files with 384 additions and 12 deletions
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43
src/server.cpp
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@ -178,8 +178,8 @@ Server::Server(
m_admin_chat(iface),
m_ignore_map_edit_events(false),
m_ignore_map_edit_events_peer_id(0),
m_next_sound_id(0)
m_next_sound_id(0),
m_mod_storage_save_timer(10.0f)
{
m_liquid_transform_timer = 0.0;
m_liquid_transform_every = 1.0;
@ -788,6 +788,18 @@ void Server::AsyncRunStep(bool initial_step)
<< "packet size is " << pktSize << std::endl;
}
m_clients.unlock();
m_mod_storage_save_timer -= dtime;
if (m_mod_storage_save_timer <= 0.0f) {
infostream << "Saving registered mod storages." << std::endl;
m_mod_storage_save_timer = g_settings->getFloat("server_map_save_interval");
for (UNORDERED_MAP<std::string, ModMetadata *>::const_iterator
it = m_mod_storages.begin(); it != m_mod_storages.end(); ++it) {
if (it->second->isModified()) {
it->second->save(getModStoragePath());
}
}
}
}
/*
@ -3404,6 +3416,11 @@ std::string Server::getBuiltinLuaPath()
return porting::path_share + DIR_DELIM + "builtin";
}
std::string Server::getModStoragePath() const
{
return m_path_world + DIR_DELIM + "mod_storage";
}
v3f Server::findSpawnPos()
{
ServerMap &map = m_env->getServerMap();
@ -3525,6 +3542,28 @@ PlayerSAO* Server::emergePlayer(const char *name, u16 peer_id, u16 proto_version
return playersao;
}
bool Server::registerModStorage(ModMetadata *storage)
{
if (m_mod_storages.find(storage->getModName()) != m_mod_storages.end()) {
errorstream << "Unable to register same mod storage twice. Storage name: "
<< storage->getModName() << std::endl;
return false;
}
m_mod_storages[storage->getModName()] = storage;
return true;
}
void Server::unregisterModStorage(const std::string &name)
{
UNORDERED_MAP<std::string, ModMetadata *>::const_iterator it = m_mod_storages.find(name);
if (it != m_mod_storages.end()) {
// Save unconditionaly on unregistration
it->second->save(getModStoragePath());
m_mod_storages.erase(name);
}
}
void dedicated_server_loop(Server &server, bool &kill)
{
DSTACK(FUNCTION_NAME);