good enough

the client code for this is a mess and should load everything at once or use non race condition code

dGame/dComponents/InventoryComponent.cpp

@@ -1141,6 +1141,25 @@ void InventoryComponent::AddItemSkills(const LOT lot) {
 	SetSkill(slot, skill);
 }
 
+void InventoryComponent::FixInvisibleItems() {
+	const auto numberItemsLoadedPerFrame = 12.0f;
+	const auto callbackTime = 0.125f;
+	const auto arbitaryInventorySize = 300.0f; // max in live + dlu is less than 300, seems like a good number.
+	auto* const items = GetInventory(eInventoryType::ITEMS);
+	if (!items) return;
+
+	// Add an extra update to make sure the client can see all the items.
+	const auto something = static_cast<int32_t>(std::ceil(items->GetItems().size() / arbitaryInventorySize)) + 1;
+	LOG_DEBUG("Fixing invisible items with %i updates", something);
+
+	for (int32_t i = 1; i < something + 1; i++) {
+		// client loads 12 items every 1/8 seconds, we're adding a small hack to fix invisible inventory items due to closing the news screen too fast.
+		m_Parent->AddCallbackTimer((arbitaryInventorySize / numberItemsLoadedPerFrame) * callbackTime * i, [this]() {
+			GameMessages::SendUpdateInventoryUi(m_Parent->GetObjectID(), m_Parent->GetSystemAddress());
+			});
+	}
+}
+
 void InventoryComponent::RemoveItemSkills(const LOT lot) {
 	const auto info = Inventory::FindItemComponent(lot);
 

dGame/dComponents/InventoryComponent.h

@@ -404,6 +404,8 @@ public:
 	void UpdateGroup(const GroupUpdate& groupUpdate);
 	void RemoveGroup(const std::string& groupId);
 
+	void FixInvisibleItems();
+
 	~InventoryComponent() override;
 
 private:

dGame/dGameMessages/GameMessageHandler.cpp

@@ -104,6 +104,18 @@ void GameMessageHandler::HandleMessage(RakNet::BitStream& inStream, const System
 		break;
 	}
 
+	// Currently not actually used for our implementation, however its used right now to get around invisible inventory items in the client.
+	case MessageType::Game::SELECT_SKILL: {
+		auto var = entity->GetVar<bool>(u"dlu_first_time_load");
+		if (var) {
+			entity->SetVar<bool>(u"dlu_first_time_load", false);
+			InventoryComponent* inventoryComponent = entity->GetComponent<InventoryComponent>();
+			
+			if (inventoryComponent) inventoryComponent->FixInvisibleItems();
+		}
+		break;
+	}
+
 	case MessageType::Game::PLAYER_LOADED: {
 		GameMessages::SendRestoreToPostLoadStats(entity, sysAddr);
 		entity->SetPlayerReadyForUpdates();

dGame/dGameMessages/GameMessages.cpp

@@ -5080,6 +5080,12 @@ void GameMessages::HandleSetFlag(RakNet::BitStream& inStream, Entity* entity) {
 
 	auto character = entity->GetCharacter();
 	if (character) character->SetPlayerFlag(iFlagID, bFlag);
+
+	// This is always set the first time a player loads into a world from character select
+	// and is used to know when to refresh the players inventory items so they show up.
+	if (iFlagID == ePlayerFlag::IS_NEWS_SCREEN_VISIBLE && bFlag) {
+		entity->SetVar<bool>(u"dlu_first_time_load", true);
+	}
 }
 
 void GameMessages::HandleRespondToMission(RakNet::BitStream& inStream, Entity* entity) {
@@ -6324,3 +6330,14 @@ void GameMessages::SendForceCameraTargetCycle(Entity* entity, bool bForceCycling
 	auto sysAddr = entity->GetSystemAddress();
 	SEND_PACKET;
 }
+
+
+void GameMessages::SendUpdateInventoryUi(LWOOBJID objectId, const SystemAddress& sysAddr) {
+	CBITSTREAM;
+	CMSGHEADER;
+
+	bitStream.Write(objectId);
+	bitStream.Write(MessageType::Game::UPDATE_INVENTORY_UI);
+	
+	SEND_PACKET;
+}

dGame/dGameMessages/GameMessages.h

@@ -677,6 +677,9 @@ namespace GameMessages {
 	void HandleUpdateInventoryGroup(RakNet::BitStream& inStream, Entity* entity, const SystemAddress& sysAddr);
 	void HandleUpdateInventoryGroupContents(RakNet::BitStream& inStream, Entity* entity, const SystemAddress& sysAddr);
 	void SendForceCameraTargetCycle(Entity* entity, bool bForceCycling, eCameraTargetCyclingMode cyclingMode, LWOOBJID optionalTargetID);
+
+	// This is a client gm however its default values are exactly what we need to get around the invisible inventory item issues.
+	void SendUpdateInventoryUi(LWOOBJID objectId, const SystemAddress& sysAddr);
 };
 
 #endif // GAMEMESSAGES_H