DML Protocols

Upon extracting the DML messages from the Root.wad, we can observe that every file is marked with an XML node named _ProtocolInfo right away. The DML protocol that the messages in the following list relate to is indicated by this node.

DML Protocols are a KiNP subcategory that aids in assigning specific game actions to corresponding protocols.

ProtocolInfo

Each message file begins with an XML node labeled as _ProtocolInfo. This is a metadata node which always contains 4 elements.

Name	Description
Service ID	The unique ID of this protocol, used for encoding and decoding.
Protocol Type	A one-word descriptor of the protocol.
Protocol Version	The version of the protocol.
Protocol Description	A short summary detailing the protocol.

Figure A.I -- The fields a protocol may contain.

<_ProtocolInfo>
    <RECORD>
        <ServiceID TYPE="UBYT">5</ServiceID>
        <ProtocolType TYPE="STR">GAME</ProtocolType>
        <ProtocolVersion TYPE="INT">1</ProtocolVersion>
        <ProtocolDescription TYPE="STR">Game Messages</ProtcolDescription>
    </RECORD>
</_ProtocolInfo>

<_ProtocolInfo>
    <RECORD>
        <ServiceID TYPE="UBYT">5</ServiceID>
        <ProtocolType TYPE="STR">GAME</ProtocolType>
        <ProtocolVersion TYPE="INT">1</ProtocolVersion>
        <ProtocolDescription TYPE="STR">Game Messages</ProtcolDescription>
    </RECORD>
</_ProtocolInfo>

Figure A.II - An example of a _ProtocolInfo node.

List of Protocols

The table below represents all the protocols that currently exist internally.

Service ID	Protocol
1	SYSTEM
2	EXTENDEDBASE
5	GAME
7	LOGIN
8	PATCH
9	PET
10	SCRIPT
11	TESTMANAGER
12	WIZARD
15	MOVEBEHAVIOR
16	PHYSICS
19	AISCLIENT
25	SOBLOCKS
40	SKULLRIDERS
41	DOODLEDOUG
42	MG1
43	MG2
44	MG3
45	MG4
46	MG5
47	MG6
50	WIZARDHOUSING
51	WIZARDCOMBAT
52	QUEST
53	WIZARD2
54	MG9
55	GAME2
56	WIZARD3
57	CANTRIPS

Figure C.I -- A table of all known prototypes.

Protocol Records

The following nodes will be the hard-coded template for every message the client is capable of encoding and decoding through DML.