/* This is probably the most complete list that isn't lost forever. Credits to Team [Le] (Limited Edition // gamehackers // isDebuggerPresent) */

Packet Format   
       <dword> Packet Type
       <any> data

    Packet Types   | Description            | Length
       0x00   General Purpose            Varies
          <word> Checksum
          <word> Length - 4
          <word> Packets sent?(different for each packet class)
          <word> packets recieved?(different for each packet class)
          <byte> packet class
          <byte> Main Packet Id
          <byte> Senders position
          <byte> flags
          <any> Data
       
       0x03   Ping Pong!            0x08
          <dword> 0 for ping, 1 for response

       0x05   bnet ping               0x08
          <dword> bnet

       0x06   Joiner starts connection with this packet      0x08
          <dword> Gettickcount?
       
    MainPacket Id.    |  Description             | parsing routine      | Responses
    ##################################################################################
       0x00   Game packet/keep alive         ?         ?         
          <byte> x pos
          <byte> y pos
          <byte> x pos
          <byte> y pos
          <dword>hp
          <dword> maxhp
          <byte> str
          <byte> mag
          <byte> dex
          <word> 0x6970
          <word> packet length - &h10
          <byte> Game Packet Id
          <any>  data

          - Or -                  ?         ?
          <dword> ??

       0x01   Permission to join request         4405EC            02
          <Dword> response expected?

       0x02   Permission response            15023240            03      
          <Dword>  1 = permission to join

       0x03                        4405EC   
          <Dword> 1 ??

       0x04   ? - .?AUCONNREC@@            4405EC/15023410      05
          No Data

       0x05   ? - .?AUCONNREC@@            15023470      No response?
          No data

       0x06   Other Players info            150234e0      No response?
          <dword>
          <dword>player position?
          <dword>
          <dword>
          <dword>packet count?
          <word>
          <word> Port*
          <dword> IP*
          <dword>
          <dword>
          <Ntstring>Username
          <Ntstring> Statstring*
          * null for host

       0x07   Name/Statstring            15023770      08, 06(for host and each player),0f,09   
          <Ntstring> Username
          <Ntstring> Statstring
          <NtString>Password

       0x08   Game name/host info         15023c90      No responses?
          <dword>Joiners position   FF = game full
          <dword> Dungeon Objects Seed - dword ptr [1503C7C8]   
          <dword> word packet count??
          <dword> Dungeon Drop Modifier - dword ptr [1503C47C]  'if bit 3=1 then game = full
          <dword> shr ((GetTickCount - [1503C510]) * 0x10624DD3) ,6
          <Ntstring>Gamename
          <0xDtstring> Difficulty
          <0xDtstring> Username
          <Ntstring>Statstring
          <NtString>Password

       0x09                     15023d70      No response?

       0x0A
          No data

       0x0B   Exit game
          <dword>?02 class packet count?
          <dword> exit type (40000004 = killed Diablo)

       0x0C   Drop Player            150232B0
          <dword> player id
          <dword>
          <dword>

       0x0D   ?               15023350
          <dword> [15038B64]

       0x0E   ?               15023330
          <dword> [1503C47C]
       
       0x0F                  150233F0      No Response
          <dword> ?? sets dword at [1503C48C]
          

    Game packet id.    |  Description             | Length
    ##################################################################################
       0x01   movement                                       03
          <byte>x
          <byte>y

       0x02        notifies- in/left/killD,left           Varies, split into 0x1d8 byte chunks
          <word> Length of data already sent
          <word> packet data length
          //data
          +0<dword> unused
          +4<dword> unused
          +8<word>?
          +A<byte>?
          +B<byte>dungeon level
          +C<byte>x
          +D<byte>y
          +E<byte>x
          +F<byte>y
          +10<string*0x20>name
          +30<byte>class
          <byte>base str
          <byte>base mag
          <byte>base dex
          <byte>base vit
          <byte> level
          <byte> ?
          <dword> ?
          <dword> ?
          <dword> hp
          <dword> maxhp
          <dword> mp
          <dword> max mp
          <byte*0x25> spell levels
          <dword>
          <dword>
          //equipped
          <item*7>
          //inventory
          <item*0x28>
          <byte*0x28>inv slots used
          <byte>number of items
          //belt
          +422<item*8>
          <byte*32>

       0x03   Add to Strength               03
          <word>amount added

       0x04   Add to Magic               03
          <word>amount added

       0x05   Add to Dexterity            03
          <word>amount added

       0x06   Add to Vitality               03
          <word>amount added

       0x07   Unknown(spell)               03
          <word> spell id            

       0x08   Item Picked Up (open inventory)               0x1E
          <byte>
          <byte>
          <byte>
          <byte>dungeon level
          <word?>
          <word>base item type
          <word>item generation
          <dword>item code
          <byte>
          <byte>
          <byte>
          <byte>
          <byte>
          <word>
          <dword>
          <dword?>

       0x09   item picked up               0x1E
          <byte>
          <byte>player id
          <byte>
          <byte>level
          <byte>
          <byte>
          <word>
          <word>
          <dword>
          <byte>
          <byte>
          <byte>
          <byte>
          <byte>
          <word>
          <dword>
          <dword?>

       0x0a   item dropped               0x16
          <byte>x
          <byte>y
          <word>base item type
          <word>item generation?
          <dword>item code
          <byte>id'd?
          <byte>durability
          <byte>max durability
          <byte>
          <byte>
          <word>
          <dword>

       0x0b   inventory full               0x16
          <byte>
          <byte>
          <word>
          <word>
          <dword>
          <byte>
          <byte>
          <byte>
          <byte>
          <byte>
          <word>
          <dword>

       0x0c   unknown                  03
          <byte>
          <byte>

       0x0d    arrow in town               03
          <byte>x
          <byte>?

       0x0e   spell was cast               07
          <byte>x
          <byte>y
          <word>spell id
          <word>

       0x0F   unknown(spell)               07
          <byte>
          <byte>
          <word>spell id
          <word>

       0x10   request open action            05
          <byte>
          <byte>
          <word>
       
       0x11   trap disarm                05
          <byte>
          <byte>
          <word>

       0x12   target monster               03
          <word> monster id.

       0x13   melee attack               03
          <word>player id

       0x14   shoot entity               03
          <word>

       0x15   player hit player in town         03
          <word>player id?

       0x16   target spell on monster         07
          <word> monster id?
          <word>spell id.
          <word>??

       0x17   target spell on player            07
          <word> ?
          <word>spell id.
          <word>??

       0x18   unknown(spell)               07
          <word>
          <word>spell id
          <word>

       0x19   cast portal on player            07
          <word>
          <word> spell id
          <word>

       0x1a   resurrection               03
          <word>player id

       0x1b   telekinesis barrel            03
          <word>

       0x1c   telekinesis monster                 03
          <word> monster id

       0x1d   talk to entity               05
          <byte>x
          <byte>y
          <word> entity id.?

       0x1e   level was loaded               05
          <word>?? ( <402 or >409 = startnewlvl)
          <word>level loaded

       0x1f   portal loaded               03
          <word> player/portal number
          

       0x20   Unused                  01

       0x21   Unused                  01

       0x22   Unused                  01

       0x23   monster location update         Varies(26+)
          <byte>level
          <word>data length
          <byte*0x22>unused
          //data
          <byte> monster id
          <byte>x
          <byte>y
          <byte>some player pos?
          <byte>
          //repeat

       0x24   monster death               05
          <byte>x
          <byte>y
          <word>monster id

       0x25   damage to monster            05
          <word>monster id
          <word>damage amount

       0x26   unknown(player death)         03
          <word>

       0x27   unknown                  0x1E
          <byte>
          <byte>
          <word?>
          <byte>
          <byte>
          <word>
          <word>
          <dword>
          <byte*0xf>?? seems unused

       0x28   sent at item pickup            0x1E
          <byte>
          <byte>
          <byte>
          <byte>
          <byte>
          <byte>
          <word>
          <word>
          <dword>
          <byte*0xf>?

       0x29   unknown                  05
          <byte>
          <byte>
          <word>

       0x2a   sent at item pickup            05
          <byte>
          <byte>
          <word>

       0x2b   door opened               03
          <word>object id.

       0x2c   door closed               03
          <word> object id.

       0x2d   action occured               03
          <word> object id

       0x2e   shrine                  05
          <word>?
          <word>object  id.

       0x2f   barrel killed               05
          <word>
          <word>

       0x30   equip item                  0x0B
          <byte>loc. equipped
          <word>base item type
          <word>item generation?
          <dword>item code
          <byte>id'd?

       0x31   unequip item               02
          <byte> location unequipped

       0x32   player hit player               06
          <byte>player id
          <dword>damage

       0x33   character level update         03
          <word>level

       0x34   items drop from chests etc.         16
          <byte>
          <byte>
          <word>
          <word>
          <dword>
          <byte*0xb>

       0x35   player moved location         05
          <byte>x
          <byte>y
          <word>dungeon level

       0x36   join game packet             Varies
          same as 0x02

       0x37   melee attack               03
          <byte>x
          <byte>

       0x38   Create Portal               09
          <byte>x
          <byte>y
          <word>dungeon level
          <word>dungeon gfx
          <word>special area?
          # 04 03 01=poison well   01 01 01= leoric

       0x39   unknown                  01
    ---------------------------------------------------------------------------------------------------------------------
       0x3A - 0x4B level data            Varies(5+)
          <word>length of data sent
          <word>data length
          //data - encoded by engine.cpp?
          <<byte> FF or <FloorItem> * 0x7F>
          <string *0x7F>
          <<byte> FF or <FloorMonster> * 0xC8>

       0x4C   terminate level data            05
          <word>00
          <word>data length - should be 00
          //data - should be blank
    ----------------------------------------------------------------------------------------------------------------------------

       0x4d   healother               03
          <word>player id
          
       0x4e   text chat               Varies
          <ntstring> text

       0x4f   Set strength            03
          <word>str

       0x50   Set magic                03
          <word>mag

       0x51   Set dexterity            03
          <word>dex

       0x52   Set vitality            03
          <word>vit

       0x53   restart in town            01

       0x54   firewall               09
          <byte>x
          <byte>y
          <word> spellid
          <word>
          <word>

       0x55   unknown(item)            0x1e
          //can cause delta:1

       0x56   unknown(item)            0x16


       0x57   golem death            05
          <byte>x
          <byte>y
          <word>level occured

       0x58   questing status            05
          <byte>quest id.    - 06=butcher, 0c=skel. king, 0f=laz, 05=D
          <byte>quest status?   - incomplete quest=02, complete=03
          <byte>
          <byte>?

       0x59   unknown               01

       0x5a   golem spawn            0x0A
          <byte>x
          <byte>y
          <byte>?
          <byte*5> ?? dont seem to be used
          <byte>

       0x5b   unknown               02
          <byte>
          <byte>

       0x5c    mana shield graphic on            01

       0x5d    mana shield graphic off          01

    //client packets
       0x5e    Set 'recieved from'                    02
          <byte> player id

       0x5f    unknown                  06
          <byte>
          <dword>