Load item tables + price implementation

src/ItemManager.cpp

@@ -7,6 +7,7 @@
 #include <string.h> // for memset() and memcmp()
 #include <assert.h>
 
+std::map<std::pair<int32_t, int32_t>, Item> ItemManager::ItemData;
 std::map<int32_t, std::vector<VendorListing>> ItemManager::VendorTables;
 
 void ItemManager::init() {
@@ -749,3 +750,11 @@ int ItemManager::findFreeSlot(Player *plr) {
     // not found
     return -1;
 }
+
+bool ItemManager::isItemRegistered(int32_t id, int32_t type) {
+    return ItemData.find(std::pair<int32_t, int32_t>(id, type)) != ItemData.end();
+}
+
+Item ItemManager::getItemData(int32_t id, int32_t type) {
+    return ItemData[std::pair<int32_t, int32_t>(id, type)];
+}

src/ItemManager.hpp

@@ -3,8 +3,12 @@
 #include "CNShardServer.hpp"
 #include "Player.hpp"
 
+struct Item {
+    bool tradeable, sellable;
+    int buyPrice, sellPrice, stackSize, level; // TODO: implement more as needed
+};
 struct VendorListing {
-    int sort, type, iID, price;
+    int sort, type, iID;
 };
 
 namespace ItemManager {
@@ -14,6 +18,7 @@ namespace ItemManager {
         BANK = 3
     };
     // hopefully this is fine since it's never modified after load
+    extern std::map<std::pair<int32_t, int32_t>, Item> ItemData; // <id, type> -> data
     extern std::map<int32_t, std::vector<VendorListing>> VendorTables;
 
     void init();	
@@ -36,4 +41,6 @@ namespace ItemManager {
     void chestOpenHandler(CNSocket* sock, CNPacketData* data);
 
     int findFreeSlot(Player *plr);
+    bool isItemRegistered(int32_t id, int32_t type);
+    Item getItemData(int32_t id, int32_t type);
 }

src/NPCManager.cpp

@@ -31,10 +31,17 @@ void NPCManager::npcVendorBuy(CNSocket* sock, CNPacketData* data) {
     sP_CL2FE_REQ_PC_VENDOR_ITEM_BUY* req = (sP_CL2FE_REQ_PC_VENDOR_ITEM_BUY*)data->buf;
     Player *plr = PlayerManager::getPlayer(sock);
 
-    int itemCost = 100; // TODO: placeholder, look up the price of item
+    if (!ItemManager::isItemRegistered(req->Item.iID, req->Item.iType)) {
+        std::cout << "[WARN] Item id " << req->Item.iID << " with type " << req->Item.iType << " not found" << std::endl;
+        // NOTE: VENDOR_ITEM_BUY_FAIL is not actually handled client-side.
+        INITSTRUCT(sP_FE2CL_REP_PC_VENDOR_ITEM_BUY_FAIL, failResp);
+        failResp.iErrorCode = 0;
+        sock->sendPacket((void*)&failResp, P_FE2CL_REP_PC_VENDOR_ITEM_BUY_FAIL, sizeof(sP_FE2CL_REP_PC_VENDOR_ITEM_BUY_FAIL));
+        return;
+    }
 
+    int itemCost = ItemManager::getItemData(req->Item.iID, req->Item.iType).buyPrice;
     int slot = ItemManager::findFreeSlot(plr);
-
     if (itemCost > plr->money || slot == -1) {
         // NOTE: VENDOR_ITEM_BUY_FAIL is not actually handled client-side.
         INITSTRUCT(sP_FE2CL_REP_PC_VENDOR_ITEM_BUY_FAIL, failResp);
@@ -79,7 +86,7 @@ void NPCManager::npcVendorSell(CNSocket* sock, CNPacketData* data) {
 
     INITSTRUCT(sP_FE2CL_REP_PC_VENDOR_ITEM_SELL_SUCC, resp);
     
-    int sellValue = 100 * req->iItemCnt; // TODO: lookup item price
+    int sellValue = ItemManager::getItemData(item->iID, item->iType).sellPrice * req->iItemCnt; // TODO: lookup item price
 
     // increment taros
     plr->money = plr->money + sellValue;
@@ -124,7 +131,7 @@ void NPCManager::npcVendorTable(CNSocket* sock, CNPacketData* data) {
             vItem.item = base;
             vItem.iSortNum = listings[i].sort;
             vItem.iVendorID = req->iVendorID;
-            vItem.fBuyCost = listings[i].price;
+            //vItem.fBuyCost = listings[i].price;
 
             resp.item[i] = vItem;
         }

src/TableData.cpp

@@ -121,11 +121,25 @@ void TableData::init() {
 
         std::cout << "[INFO] Loaded mission-related data" << std::endl;
 
+        // load all item data. i'm sorry. it has to be done
+        const char* setNames[10] = { "m_pBackItemTable", "m_pFaceItemTable", "m_pGlassItemTable", "m_pHatItemTable",
+        "m_pHeadItemTable", "m_pPantsItemTable", "m_pShirtsItemTable", "m_pShoesItemTable", "m_pWeaponItemTable",
+        "m_pVehicleItemTable"};
+        nlohmann::json itemSet;
+        for (int i = 0; i < 10; i++) {
+            itemSet = xdtData[setNames[i]]["m_pItemData"];
+            for (nlohmann::json::iterator item = itemSet.begin(); item != itemSet.end(); item++)
+                ItemManager::ItemData[std::pair<int32_t, int32_t>(item.value()["m_iItemNumber"], item.value()["m_iEquipLoc"])]
+                = { item.value()["m_iTradeAble"] == 1, item.value()["m_iSellAble"] == 1, item.value()["m_iItemPrice"], item.value()["m_iItemSellPrice"], item.value()["m_iStackNumber"], item.value()["m_iMinReqLev"] };
+        }
+
+        std::cout << "[INFO] Loaded " << ItemManager::ItemData.size() << " items" << std::endl;
+
         // load vendor listings
         nlohmann::json listings = xdtData["m_pVendorTable"]["m_pItemData"];
 
         for (nlohmann::json::iterator listing = listings.begin(); listing != listings.end(); listing++) {
-            VendorListing vListing = {listing.value()["m_iSortNumber"], listing.value()["m_iItemType"], listing.value()["m_iitemID"], listing.value()["m_iSellCost"]};
+            VendorListing vListing = { listing.value()["m_iSortNumber"], listing.value()["m_iItemType"], listing.value()["m_iitemID"] };
             ItemManager::VendorTables[listing.value()["m_iNpcNumber"]].push_back(vListing);
         }