fix: prevent moving items between inventories under cetain circumsances

dCommon/dEnums/eReponseMoveItemBetweenInventoryTypeCode.h

@@ -0,0 +1,21 @@
+#ifndef __EREPONSEMOVEITEMBETWEENINVENTORYTYPECODE__H__
+#define __EREPONSEMOVEITEMBETWEENINVENTORYTYPECODE__H__
+
+#include <cstdint>
+
+enum class eReponseMoveItemBetweenInventoryTypeCode : uint32_t {
+	SUCCESS,
+	FAIL_GENERIC,
+	FAIL_INV_FULL,
+	FAIL_ITEM_NOT_FOUND,
+	FAIL_CANT_MOVE_TO_THAT_INV_TYPE,
+	FAIL_NOT_NEAR_BANK,
+	FAIL_CANT_SWAP_ITEMS,
+	FAIL_SOURCE_TYPE,
+	FAIL_WRONG_DEST_TYPE,
+	FAIL_SWAP_DEST_TYPE,
+	FAIL_CANT_MOVE_THINKING_HAT,
+	FAIL_DISMOUNT_BEFORE_MOVING
+};
+
+#endif  //!__EREPONSEMOVEITEMBETWEENINVENTORYTYPECODE__H__

dGame/dGameMessages/GameMessages.cpp

@@ -99,6 +99,7 @@
 #include "ActivityManager.h"
 #include "PlayerManager.h"
 #include "eVendorTransactionResult.h"
+#include "eReponseMoveItemBetweenInventoryTypeCode.h"
 
 #include "CDComponentsRegistryTable.h"
 #include "CDObjectsTable.h"
@@ -4564,16 +4565,31 @@ void GameMessages::HandleRequestMoveItemBetweenInventoryTypes(RakNet::BitStream&
 	if (inStream.ReadBit()) inStream.Read(itemLOT);
 
 	if (invTypeDst == invTypeSrc) {
+		SendResponseMoveItemBetweenInventoryTypes(entity->GetObjectID(), sysAddr, invTypeDst, invTypeSrc, eReponseMoveItemBetweenInventoryTypeCode::FAIL_GENERIC);
 		return;
 	}
 
 	auto* inventoryComponent = entity->GetComponent<InventoryComponent>();
 
-	if (inventoryComponent != nullptr) {
+	if (inventoryComponent) {
 		if (itemID != LWOOBJID_EMPTY) {
 			auto* item = inventoryComponent->FindItemById(itemID);
 
-			if (!item) return;
+			if (!item) {
+				SendResponseMoveItemBetweenInventoryTypes(entity->GetObjectID(), sysAddr, invTypeDst, invTypeSrc, eReponseMoveItemBetweenInventoryTypeCode::FAIL_ITEM_NOT_FOUND);
+				return;
+			} 
+
+			if (item->GetLot() == 6086) { // Thinking hat
+				SendResponseMoveItemBetweenInventoryTypes(entity->GetObjectID(), sysAddr, invTypeDst, invTypeSrc, eReponseMoveItemBetweenInventoryTypeCode::FAIL_CANT_MOVE_THINKING_HAT);
+				return;
+			}
+			
+			auto* destInv = inventoryComponent->GetInventory(invTypeDst);
+			if (destInv && destInv->GetEmptySlots() == 0) {
+				SendResponseMoveItemBetweenInventoryTypes(entity->GetObjectID(), sysAddr, invTypeDst, invTypeSrc, eReponseMoveItemBetweenInventoryTypeCode::FAIL_INV_FULL);
+				return;
+			}
 
 			// Despawn the pet if we are moving that pet to the vault.
 			auto* petComponent = PetComponent::GetActivePet(entity->GetObjectID());
@@ -4582,8 +4598,30 @@ void GameMessages::HandleRequestMoveItemBetweenInventoryTypes(RakNet::BitStream&
 			}
 
 			inventoryComponent->MoveItemToInventory(item, invTypeDst, iStackCount, showFlyingLoot, false, false, destSlot);
+			SendResponseMoveItemBetweenInventoryTypes(entity->GetObjectID(), sysAddr, invTypeDst, invTypeSrc, eReponseMoveItemBetweenInventoryTypeCode::SUCCESS);
+		}
+	} else {
+		SendResponseMoveItemBetweenInventoryTypes(entity->GetObjectID(), sysAddr, invTypeDst, invTypeSrc, eReponseMoveItemBetweenInventoryTypeCode::FAIL_GENERIC);
 	}
 }
+
+void GameMessages::SendResponseMoveItemBetweenInventoryTypes(LWOOBJID objectId, const SystemAddress& sysAddr, eInventoryType inventoryTypeDestination, eInventoryType inventoryTypeSource, eReponseMoveItemBetweenInventoryTypeCode response) {
+	CBITSTREAM;
+	CMSGHEADER;
+
+	bitStream.Write(objectId);
+	bitStream.Write(eGameMessageType::RESPONSE_MOVE_ITEM_BETWEEN_INVENTORY_TYPES);
+
+	bitStream.Write(inventoryTypeDestination != eInventoryType::ITEMS);
+	if (inventoryTypeDestination != eInventoryType::ITEMS) bitStream.Write(inventoryTypeDestination);
+
+	bitStream.Write(inventoryTypeSource != eInventoryType::ITEMS);
+	if (inventoryTypeSource != eInventoryType::ITEMS) bitStream.Write(inventoryTypeSource);
+
+	bitStream.Write(response != eReponseMoveItemBetweenInventoryTypeCode::FAIL_GENERIC);
+	if (response != eReponseMoveItemBetweenInventoryTypeCode::FAIL_GENERIC) bitStream.Write(response);
+
+	SEND_PACKET;
 }
 
 

dGame/dGameMessages/GameMessages.h

@@ -39,6 +39,7 @@ enum class eQuickBuildFailReason : uint32_t;
 enum class eQuickBuildState : uint32_t;
 enum class BehaviorSlot : int32_t;
 enum class eVendorTransactionResult : uint32_t;
+enum class eReponseMoveItemBetweenInventoryTypeCode : int32_t;
 
 namespace GameMessages {
 	class PropertyDataMessage;
@@ -589,6 +590,7 @@ namespace GameMessages {
 	//NT:
 
 	void HandleRequestMoveItemBetweenInventoryTypes(RakNet::BitStream& inStream, Entity* entity, const SystemAddress& sysAddr);
+	void SendResponseMoveItemBetweenInventoryTypes(LWOOBJID objectId, const SystemAddress& sysAddr, eInventoryType inventoryTypeDestination, eInventoryType inventoryTypeSource, eReponseMoveItemBetweenInventoryTypeCode response);
 
 	void SendShowActivityCountdown(LWOOBJID objectId, bool bPlayAdditionalSound, bool bPlayCountdownSound, std::u16string sndName, int32_t stateToPlaySoundOn, const SystemAddress& sysAddr);