d2tweaks-rnd2k/include/diablo2/structures/npc_record.h

#pragma once

#include <cstdint>

namespace diablo2 {
	namespace structures {
        struct inventory;

        struct npc_gamble				//sizeof 0xC
        {
            inventory*  pInventory;	//+00
            uint32_t    dwGUID;					//+04     npc_gamble*  pNext;			//+08
        };

        struct npc_record				//sizeof 0x44
        {
            int         nNPC;                       //+00
            inventory*  pInventory;     //+04
            npc_gamble* pGamble;        //+08
            bool        bGambleInit;               //+0C
            uint32_t*   pMercData;      //+10 //D2MercDataStrc*
            uint32_t*   pEvent;         //+14 //D2NPCEventStrc*
            uint32_t*   pVendorChain;   //+18  //D2VendorChainStrc*
            bool        bTrading;					//+1C
            union
            {
                struct
                {
                    union
                    {
                        bool bFlags[8];             //+20
                        struct
                        {
                            bool bVendorInit;		//+20
                            bool bHireInit;			//+21
                            uint8_t nAct;				//+22
                            bool bTrader;			//+23
                            bool bLevelRefresh;		//+24
                            bool bInited;			//+25
                            bool bForceVendor;		//+26
                            bool bRefreshInventory;	//+27
                        };
                    };

                    uint32_t dwTicks;                  //+28
                    uint32_t pProxy[4];         //+2C //D2UnitProxyStrc
                    uint32_t dwUnk;					//+3C
                    uint32_t dwNPCGUID;				//+40
                };

                uint32_t pTrade;				//+20 //D2NPCTradeStrc
            };
        };
    }
}