forked from Mirrorlandia_minetest/minetest
Add core.remove_detached_inventory (#7684)
Breaks backwards compatibility for good Bump protocol version
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@ -18,3 +18,7 @@ function core.create_detached_inventory(name, callbacks, player_name)
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return core.create_detached_inventory_raw(name, player_name)
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end
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function core.remove_detached_inventory(name)
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core.detached_inventories[name] = nil
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return core.remove_detached_inventory_raw(name)
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end
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@ -4141,6 +4141,8 @@ Inventory
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Note that this parameter is mostly just a workaround and will be removed
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in future releases.
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* Creates a detached inventory. If it already exists, it is cleared.
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* `minetest.remove_detached_inventory(name)`
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* Returns a `boolean` indicating whether the removal succeeded.
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* `minetest.do_item_eat(hp_change, replace_with_item, itemstack, user, pointed_thing)`:
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returns left over ItemStack.
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* See `minetest.item_eat` and `minetest.register_on_item_eat`
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@ -843,21 +843,32 @@ void Client::handleCommand_InventoryFormSpec(NetworkPacket* pkt)
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void Client::handleCommand_DetachedInventory(NetworkPacket* pkt)
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{
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std::string datastring(pkt->getString(0), pkt->getSize());
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std::istringstream is(datastring, std::ios_base::binary);
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std::string name = deSerializeString(is);
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std::string name;
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bool keep_inv = true;
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*pkt >> name >> keep_inv;
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infostream << "Client: Detached inventory update: \"" << name
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<< "\"" << std::endl;
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<< "\", mode=" << (keep_inv ? "update" : "remove") << std::endl;
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Inventory *inv = NULL;
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if (m_detached_inventories.count(name) > 0)
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inv = m_detached_inventories[name];
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else {
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const auto &inv_it = m_detached_inventories.find(name);
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if (!keep_inv) {
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if (inv_it != m_detached_inventories.end()) {
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delete inv_it->second;
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m_detached_inventories.erase(inv_it);
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}
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return;
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}
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Inventory *inv = nullptr;
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if (inv_it == m_detached_inventories.end()) {
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inv = new Inventory(m_itemdef);
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m_detached_inventories[name] = inv;
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} else {
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inv = inv_it->second;
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}
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std::string contents;
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*pkt >> contents;
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std::istringstream is(contents, std::ios::binary);
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inv->deSerialize(is);
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}
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@ -188,19 +188,21 @@ with this program; if not, write to the Free Software Foundation, Inc.,
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Nodebox version 5
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Add disconnected nodeboxes
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Add TOCLIENT_FORMSPEC_PREPEND
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PROTOCOL VERSION 37:
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Redo detached inventory sending
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*/
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#define LATEST_PROTOCOL_VERSION 36
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#define LATEST_PROTOCOL_VERSION 37
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#define LATEST_PROTOCOL_VERSION_STRING TOSTRING(LATEST_PROTOCOL_VERSION)
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// Server's supported network protocol range
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#define SERVER_PROTOCOL_VERSION_MIN 36
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#define SERVER_PROTOCOL_VERSION_MIN 37
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#define SERVER_PROTOCOL_VERSION_MAX LATEST_PROTOCOL_VERSION
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// Client's supported network protocol range
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// The minimal version depends on whether
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// send_pre_v25_init is enabled or not
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#define CLIENT_PROTOCOL_VERSION_MIN 36
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#define CLIENT_PROTOCOL_VERSION_MIN 37
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#define CLIENT_PROTOCOL_VERSION_MAX LATEST_PROTOCOL_VERSION
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// Constant that differentiates the protocol from random data and other protocols
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@ -536,8 +536,18 @@ int ModApiInventory::l_create_detached_inventory_raw(lua_State *L)
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return 1;
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}
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// remove_detached_inventory_raw(name)
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int ModApiInventory::l_remove_detached_inventory_raw(lua_State *L)
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{
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NO_MAP_LOCK_REQUIRED;
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const std::string &name = luaL_checkstring(L, 1);
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lua_pushboolean(L, getServer(L)->removeDetachedInventory(name));
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return 1;
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}
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void ModApiInventory::Initialize(lua_State *L, int top)
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{
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API_FCT(create_detached_inventory_raw);
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API_FCT(remove_detached_inventory_raw);
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API_FCT(get_inventory);
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}
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@ -120,6 +120,8 @@ class ModApiInventory : public ModApiBase {
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private:
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static int l_create_detached_inventory_raw(lua_State *L);
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static int l_remove_detached_inventory_raw(lua_State *L);
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static int l_get_inventory(lua_State *L);
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public:
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@ -2478,33 +2478,41 @@ void Server::sendRequestedMedia(session_t peer_id,
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void Server::sendDetachedInventory(const std::string &name, session_t peer_id)
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{
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if(m_detached_inventories.count(name) == 0) {
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errorstream<<FUNCTION_NAME<<": \""<<name<<"\" not found"<<std::endl;
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return;
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const auto &inv_it = m_detached_inventories.find(name);
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const auto &player_it = m_detached_inventories_player.find(name);
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if (player_it == m_detached_inventories_player.end() ||
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player_it->second.empty()) {
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// OK. Send to everyone
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} else {
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RemotePlayer *p = m_env->getPlayer(player_it->second.c_str());
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if (!p)
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return; // Player is offline
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if (peer_id != PEER_ID_INEXISTENT && peer_id != p->getPeerId())
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return; // Caller requested send to a different player, so don't send.
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peer_id = p->getPeerId();
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}
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Inventory *inv = m_detached_inventories[name];
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std::ostringstream os(std::ios_base::binary);
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os << serializeString(name);
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inv->serialize(os);
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// Make data buffer
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std::string s = os.str();
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NetworkPacket pkt(TOCLIENT_DETACHED_INVENTORY, 0, peer_id);
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pkt.putRawString(s.c_str(), s.size());
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pkt << name;
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const std::string &check = m_detached_inventories_player[name];
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if (peer_id == PEER_ID_INEXISTENT) {
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if (check.empty())
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return m_clients.sendToAll(&pkt);
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RemotePlayer *p = m_env->getPlayer(check.c_str());
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if (p)
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m_clients.send(p->getPeerId(), 0, &pkt, true);
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if (inv_it == m_detached_inventories.end()) {
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pkt << false; // Remove inventory
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} else {
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if (check.empty() || getPlayerName(peer_id) == check)
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Send(&pkt);
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pkt << true; // Update inventory
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// Serialization & NetworkPacket isn't a love story
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std::ostringstream os(std::ios_base::binary);
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inv_it->second->serialize(os);
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pkt << os.str();
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}
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if (peer_id == PEER_ID_INEXISTENT)
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m_clients.sendToAll(&pkt);
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else
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Send(&pkt);
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}
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void Server::sendDetachedInventories(session_t peer_id)
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@ -2665,9 +2673,10 @@ void Server::DeleteClient(session_t peer_id, ClientDeletionReason reason)
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playersao->clearParentAttachment();
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// inform connected clients
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const std::string &player_name = player->getName();
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NetworkPacket notice(TOCLIENT_UPDATE_PLAYER_LIST, 0, PEER_ID_INEXISTENT);
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// (u16) 1 + std::string represents a vector serialization representation
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notice << (u8) PLAYER_LIST_REMOVE << (u16) 1 << std::string(playersao->getPlayer()->getName());
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notice << (u8) PLAYER_LIST_REMOVE << (u16) 1 << player_name;
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m_clients.sendToAll(¬ice);
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// run scripts
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m_script->on_leaveplayer(playersao, reason == CDR_TIMEOUT);
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@ -3265,6 +3274,30 @@ Inventory* Server::createDetachedInventory(const std::string &name, const std::s
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return inv;
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}
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bool Server::removeDetachedInventory(const std::string &name)
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{
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const auto &inv_it = m_detached_inventories.find(name);
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if (inv_it == m_detached_inventories.end())
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return false;
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delete inv_it->second;
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m_detached_inventories.erase(inv_it);
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const auto &player_it = m_detached_inventories_player.find(name);
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if (player_it != m_detached_inventories_player.end()) {
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RemotePlayer *player = m_env->getPlayer(player_it->second.c_str());
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if (player && player->getPeerId() != PEER_ID_INEXISTENT)
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sendDetachedInventory(name, player->getPeerId());
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m_detached_inventories_player.erase(player_it);
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} else {
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// Notify all players about the change
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sendDetachedInventory(name, PEER_ID_INEXISTENT);
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}
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return true;
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}
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// actions: time-reversed list
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// Return value: success/failure
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bool Server::rollbackRevertActions(const std::list<RollbackAction> &actions,
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@ -248,7 +248,9 @@ public:
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void deleteParticleSpawner(const std::string &playername, u32 id);
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// Creates or resets inventory
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Inventory* createDetachedInventory(const std::string &name, const std::string &player="");
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Inventory *createDetachedInventory(const std::string &name,
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const std::string &player = "");
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bool removeDetachedInventory(const std::string &name);
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// Envlock and conlock should be locked when using scriptapi
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ServerScripting *getScriptIface(){ return m_script; }
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