added gumballs functionality

src/ItemManager.cpp

@@ -2,6 +2,7 @@
 #include "CNStructs.hpp"
 #include "ItemManager.hpp"
 #include "PlayerManager.hpp"
+#include "NanoManager.hpp"
 #include "Player.hpp"
 
 #include <string.h> // for memset() and memcmp()
@@ -15,6 +16,8 @@ void ItemManager::init() {
     REGISTER_SHARD_PACKET(P_CL2FE_REQ_ITEM_MOVE, itemMoveHandler);
     REGISTER_SHARD_PACKET(P_CL2FE_REQ_PC_ITEM_DELETE, itemDeleteHandler);
     REGISTER_SHARD_PACKET(P_CL2FE_REQ_PC_GIVE_ITEM, itemGMGiveHandler);
+    //this one is for gumballs
+    REGISTER_SHARD_PACKET(P_CL2FE_REQ_ITEM_USE, itemUseHandler);
     // Bank
     REGISTER_SHARD_PACKET(P_CL2FE_REQ_PC_BANK_OPEN, itemBankOpenHandler);
     // Trade handlers
@@ -186,6 +189,60 @@ void ItemManager::itemGMGiveHandler(CNSocket* sock, CNPacketData* data) {
     }
 }
 
+void ItemManager::itemUseHandler(CNSocket* sock, CNPacketData* data) {
+    if (data->size != sizeof(sP_CL2FE_REQ_ITEM_USE))
+        return; // ignore the malformed packet
+    sP_CL2FE_REQ_ITEM_USE* request = (sP_CL2FE_REQ_ITEM_USE*)data->buf;
+    Player* player = PlayerManager::getPlayer(sock);
+
+    //gumball can only be used from inventory, so we ignore eIL
+    sItemBase gumball = player->Inven[request->iSlotNum];
+    sNano nano = player->Nanos[player->equippedNanos[request->iNanoSlot]];
+
+    //sanity check, check if gumball exists
+    if (!(gumball.iOpt > 0 && gumball.iType == 7 && gumball.iID>=119 && gumball.iID<=121)) {
+        std::cout << "[WARN] Gumball not found" << std::endl;
+        INITSTRUCT(sP_FE2CL_REP_PC_ITEM_USE_FAIL, response);
+        sock->sendPacket((void*)&response, P_FE2CL_REP_PC_ITEM_USE_FAIL, sizeof(sP_FE2CL_REP_PC_ITEM_USE_FAIL));
+        return;
+    }
+
+    //sanity check, check if gumball type matches nano style
+    int nanoStyle = NanoManager::nanoStyle(nano.iID);
+    if (!((gumball.iID == 119 && nanoStyle == 0) ||
+        (  gumball.iID == 120 && nanoStyle == 1) ||
+        (  gumball.iID == 121 && nanoStyle == 2))) {
+        std::cout << "[WARN] Gumball type doesn't match nano type" << std::endl;
+        INITSTRUCT(sP_FE2CL_REP_PC_ITEM_USE_FAIL, response);
+        sock->sendPacket((void*)&response, P_FE2CL_REP_PC_ITEM_USE_FAIL, sizeof(sP_FE2CL_REP_PC_ITEM_USE_FAIL));
+        return;
+    }
+
+    gumball.iOpt -= 1;
+    if (gumball.iOpt == 0)
+        gumball = {};
+
+    INITSTRUCT(sP_FE2CL_REP_PC_ITEM_USE_SUCC, response);
+    response.iPC_ID = player->iID;
+    response.eIL = 1;
+    response.iSlotNum = request->iSlotNum;
+    response.RemainItem = gumball;
+   // response.iTargetCnt = ?
+   // response.eST = ?
+   // response.iSkillID = ?
+
+    sock->sendPacket((void*)&response, P_FE2CL_REP_PC_ITEM_USE_SUCC, sizeof(sP_FE2CL_REP_PC_ITEM_USE_SUCC));
+    //update inventory serverside
+    player->Inven[response.iSlotNum] = response.RemainItem;
+
+    //this is a temporary way of calling buff efect
+    //TODO: send buff data via response packet
+    int value1 = CSB_BIT_STIMPAKSLOT1 << request->iNanoSlot;
+    int value2 = ECSB_STIMPAKSLOT1 + request->iNanoSlot;
+
+    NanoManager::nanoBuff(sock, nano.iID, 144, EST_NANOSTIMPAK, value1, value2, 0);
+}
+
 void ItemManager::itemBankOpenHandler(CNSocket* sock, CNPacketData* data) {
     if (data->size != sizeof(sP_CL2FE_REQ_PC_BANK_OPEN))
         return; // ignore the malformed packet

src/ItemManager.hpp

@@ -31,6 +31,7 @@ namespace ItemManager {
     void itemMoveHandler(CNSocket* sock, CNPacketData* data);
     void itemDeleteHandler(CNSocket* sock, CNPacketData* data);
     void itemGMGiveHandler(CNSocket* sock, CNPacketData* data);
+    void itemUseHandler(CNSocket* sock, CNPacketData* data);
     // Bank
     void itemBankOpenHandler(CNSocket* sock, CNPacketData* data);
     void itemTradeOfferHandler(CNSocket* sock, CNPacketData* data);

src/NanoManager.cpp

@@ -36,6 +36,8 @@ std::set<int> TreasureFinderPowers = {26, 40, 74};
  * worker functions so we don't have to have unsightly function declarations.
  */
 
+std::map<int32_t, NanoData> NanoManager::NanoTable;
+
 }; // namespace
 
 void NanoManager::init() {
@@ -593,6 +595,13 @@ void NanoManager::nanoUnbuff(CNSocket* sock, int32_t iCBFlag, int16_t eCharStatu
     sock->sendPacket((void*)&resp1, P_FE2CL_PC_BUFF_UPDATE, sizeof(sP_FE2CL_PC_BUFF_UPDATE));
 }
 
+// 0=A 1=B 2=C -1=Not found
+int NanoManager::nanoStyle(int nanoId) {
+    if (nanoId < 0 || nanoId >= NanoTable.size())
+        return -1;
+    return NanoTable[nanoId].style;
+}
+
 namespace NanoManager {
 
 std::vector<PassivePower> PassivePowers = {

src/NanoManager.hpp

@@ -34,9 +34,14 @@ struct PassivePower {
     PassivePower(std::set<int> p, int16_t t, int32_t f, int16_t b, int16_t a) : powers(p), eSkillType(t), iCBFlag(f), eCharStatusTimeBuffID(b), iValue(a) {}
 };
 
+struct NanoData {
+    int style;
+};
+
 namespace NanoManager {
     extern std::vector<ActivePower> ActivePowers;
     extern std::vector<PassivePower> PassivePowers;
+    extern std::map<int32_t, NanoData> NanoTable;
     void init();
 
     void nanoSummonHandler(CNSocket* sock, CNPacketData* data);
@@ -56,4 +61,6 @@ namespace NanoManager {
     
     void nanoBuff(CNSocket* sock, int16_t nanoId, int skillId, int16_t eSkillType, int32_t iCBFlag, int16_t eCharStatusTimeBuffID, int16_t iValue = 0);
     void nanoUnbuff(CNSocket* sock, int32_t iCBFlag, int16_t eCharStatusTimeBuffID, int16_t iValue = 0);
+    
+    int nanoStyle(int nanoId);
 }

src/TableData.cpp

@@ -6,6 +6,7 @@
 #include "MissionManager.hpp"
 #include "MobManager.hpp"
 #include "ChunkManager.hpp"
+#include "NanoManager.hpp"
 
 #include "contrib/JSON.hpp"
 
@@ -152,6 +153,17 @@ void TableData::init() {
         }
 
         std::cout << "[INFO] Loaded " << ItemManager::CrocPotTable.size() << " croc pot value sets" << std::endl;
+
+        //load nano info
+        nlohmann::json nanoInfo = xdtData["m_pNanoTable"]["m_pNanoData"];
+        for (nlohmann::json::iterator _nano = nanoInfo.begin(); _nano != nanoInfo.end(); _nano++) {
+            auto nano = _nano.value();
+            NanoData nanoData;
+            nanoData.style = nano["m_iStyle"];
+            NanoManager::NanoTable[nano["m_iNanoNumber"]] = nanoData;
+        }
+
+        std::cout << "[INFO] Loaded " << NanoManager::NanoTable.size() << " nanos" << std::endl;
     }
     catch (const std::exception& err) {
         std::cerr << "[WARN] Malformed xdt.json file! Reason:" << err.what() << std::endl;