January 1999
- From DevMud: Database module Greg Connor
- From DevMud: Database module Mik Clarke
- From DevMud: Database module Greg Connor
- From DevMud: Database module J C Lawrence
- From DevMud: Database module Greg Connor
- ADMIN: Resends and possible duplicates J C Lawrence
- Info about different skill systems Emil Eifrem
- Info about different skill systems Nathan F Yospe
On Fri, 1 Jan 1999, Emil Eifrem wrote:
:Does anyone have any pointers to info about different skill systems? Most
:notably 'skill trees' and 'skill webs,' and preferably on design/coding
:issues rather than concepts.
:I have checked the archives, but didn't find any real explanations about
:it. I may have missed it though, the lack of boolean search options in the
:search engine tend to make exhaustive searches tedious at best. (Did you
:guys *know* how often you say 'skill tree'?)
As the guy who coined "Skill Web" I ought to answer this one. There will
be more info if you cross ref my name on your search, but, for now... it
would be unfair to just dangle that in front of you and not add anything
new. So... another informational post. *sigh* holiday break, working and
all, has made me soft... I wasn't going to think mud for another five or
six months.
Skill Webs
A means of addressing multiple related skills without the drawbacks of a
limited single inheritance system or messy multiple inheritance. (I have
only seen skill trees implemented as a single inheritance system, but am
aware of at least one person on the list who uses MI in a sort of teired
layering.)
My implementation uses a layer of skills and a layer of attributes, with
no direct links from skill to skill. This was a computational and design
issue, and there was no reason beyond worry of insufficient connectivity
_not_ to simply link skills to each other.
The primary approach is as follows: I define a set of attributes, with a
framework on the class definition for an attribute that is open ended to
sufficient degree to allow new attributes to be added without hardcoding
changes... attributes link to other attributes, and are documented quite
extensively. They should almost never be added. The character object the
characters all inherit from has attributes associated with it, as do the
components of its body. (Attributes inherit from several subclasses, the
physical, mental, and reflexive being high among them. Physical and some
reflexive attributes are inherited by parts of the body.) Attributes for
an individual are stored as numbers, for the base object of individuals,
as ranges and a default. (More can be found on my inheritance model from
the archives.) Skills are defined by requirements (environmental, basic,
hosted) and multiple skills may cover a single task (IE, flight is quite
different for a Trae'laec or a *Hzzt* Swarm), with requirements adding a
filter on the basic list. All skills attemptable by a species are listed
for an individual of that species, and attempts to execute a command for
which no listed skill exists will begin checking the primary skills list
for the gameworld. This might be changed in the future. I can't see much
point in allowing a human to attempt to, say, Fazz in a Humanx universe.
Likewise, a single skill may cover multiple tasks. As a skill can have a
series of derivatives with similar requirements (inheritance model) with
other, nonderived skills using the same attributes, skills may be honed,
or at least improved, by related activities. There is one attribute that
should be created for each skill, a uniqueness value to keep related but
not identical skills from perfecting something. Skills link to verbs, or
to exitential verbs. Skill attributes include academic knowledge in some
related field or another... and crosslinking makes this propogate across
skills. I update attributes just after a skill use, and skills just when
that skill has been checked, after the requirements have checked, before
success calculation. The checking time is critical. I use weighted links
from skill to attribute (attributes don't know what skills they affect.)
and from attribute to attribute (monodirectional).
--
Nathan F. Yospe - Born in the year of the tiger, riding it forever after
University of Hawaii at Manoa, Dept of Physics, second year senior (joy)
(On Call) Associate Algorithm Developer, Textron Systems Corp, Maui Ops.
yospe#hawaii.edu http://www2.hawaii.edu/~yospe Non commercial email only - Info about different skill systems Ben Greear
- Info about different skill systems Emil Eifrem
- Info about different skill systems Ben Greear
- Info about different skill systems Emil Eifrem
- Info about different skill systems Nathan F Yospe
- Info about different skill systems Travis S. Casey
- Info about different skill systems Mik Clarke
- Info about different skill systems Nathan F Yospe
- New features for ScryMUD (Player-run Shops) Ben Greear
- [OT Humor] Mudder's Rhapsody Jon A. Lambert
- [OT Humor] Mudder's Rhapsody Caliban Tiresias Darklock
- [OT Humor] Mudder's Rhapsody The Wildman
- Guild/skill/spell relation (or "webs") Petri Virkkula
- Guild/skill/spell relation (or "webs") David Bennett
- mobile movement Matthew Mihaly
- mobile movement Adam Wiggins
- mobile movement Koster, Raph
- mobile movement Caliban Tiresias Darklock
- mobile movement David Bennett
- mobile movement Kylotan
- mobile movement quzah [softhome]
- mobile movement Ling
- mobile movement J C Lawrence
- mobile movement Oliver Jowett
- mobile movement Oliver Jowett
- mobile movement Caliban Tiresias Darklock
- mobile movement Richard Woolcock
- mobile movement J C Lawrence
- mobile movement Ling
- mobile movement Marc Hernandez
- mobile movement J C Lawrence
- mobile movement Ling
- mobile movement Holly Sommer
- mobile movement Caliban Tiresias Darklock
- mobile movement Koster, Raph
- mobile movement Chris Gray
- Intelligent WebGlimpse archive searching at Kanga.Nu (was J C Lawrence
- [RRE]MediaMOO annual birthday symposia: 1/20 Bruce Mitchener, Jr.
- [RRE]MediaMOO annual birthday symposia: 1/20 Koster, Raph
- OT: Mike Sellers needs some help load testing J C Lawrence
- Keegan's MUD Tree J C Lawrence
- Intelligent WebGlimpse archive searching at Kanga.Nu Marian Griffith
- Intelligent WebGlimpse archive searching at Kanga.Nu Caliban Tiresias Darklock
- Intelligent WebGlimpse archive searching at Kanga.Nu Dominic J. Eidson
- Intelligent WebGlimpse archive searching at Kanga.Nu J C Lawrence
- Intelligent WebGlimpse archive searching at Kanga.Nu Marian Griffith
- GRASS GIS Web Site Elis Pomales
- Thoughts Caliban Tiresias Darklock
- mobile movement (the fault of tracking) quzah [softhome]
- ADMIN Name server problems and upes J C Lawrence
- Adjective Server Christopher Allen
- Reputations, More Mazes Eli Stevens {KiZurich}
- Reputations, More Mazes J C Lawrence
- Reputations, More Mazes Eli Stevens {KiZurich}
- Mules (was something different) Marian Griffith
- Mules (was something different) J C Lawrence
- Mules (was something different) Hans-Henrik Staerfeldt
- Levels versus Skills Marian Griffith
- Levels versus Skills Caliban Tiresias Darklock
- Levels versus Skills J C Lawrence
- Levels versus Skills quzah [softhome]
- Levels versus Skills Vladimir Prelovac
- Levels versus Skills quzah [softhome]
- Levels versus Skills J C Lawrence
- Levels versus Skills Petri Virkkula
- Levels versus Skills J C Lawrence
- Levels versus Skills Caliban Tiresias Darklock
- From Devmud: Database module, draft 3 Greg Connor
- Matrix Game Ling
- Graphic design doc Thinus Barnard
- Graphic design doc Chris Gray
- ADMIN: List server and Kanga.Nu host changes J C Lawrence
- ADMIN: List server and Kanga.Nu host changes Koster, Raph
- Sockets and fibers Caliban Tiresias Darklock
- Sockets and fibers Adam J. Thornton
- Sockets and fibers Caliban Tiresias Darklock
- Sockets and fibers J C Lawrence
- Sockets and fibers Jon A. Lambert
- Sockets and fibers Adam J. Thornton
- Sockets and fibers Dr. Cat
- Sockets and fibers Jo Dillon
- [DevMUD] From Devmud: Database module, draft 3 Greg Connor
- META: list "peerage" Koster, Raph
- META: list "peerage" John Bertoglio
- META: list "peerage" diablo@best.com
- META: list "peerage" Andy Cink
- META: list "peerage" Caliban Tiresias Darklock
- META: list "peerage" Quzah [softhome]
- META: list "peerage" Michael.Willey@abnamro.com
- META: list "peerage" Caliban Tiresias Darklock
- META: list "peerage" Holly Sommer
- META: list "peerage" Travis S. Casey
- META: list "peerage" Andy Cink
- META: list "peerage" Quzah [softhome]
- META: list "peerage" Matthew D. Fuller
- META: list "peerage" Laurel Fan
- META: list "peerage" Caliban Tiresias Darklock
- META: list "peerage" David Bennett
- META: list "peerage" Bruce Mitchener, Jr.
- META: list "peerage" diablo@best.com
- META: list "peerage" Matthew D. Fuller
- META: list "peerage" Caliban Tiresias Darklock
- META: list "peerage" Brandon A Downey
- META: list "peerage" Travis Casey
- META: list "peerage" Caliban Tiresias Darklock
- META: list "peerage" Dominic J. Eidson
- META: List "peerage" Marian Griffith
- META: List "peerage" Caliban Tiresias Darklock
- META: list "peerage" Ola Fosheim Grøstad
- META: list "peerage" Sayeed
- Mugu Chris Gray
- META: List peerage and behaviour J C Lawrence
- META: list "peerage" Chris Gray
- ADMIN: We're working again. J C Lawrence
- Java I/O and threads. Elis Pomales
- Java I/O and threads. Jo Dillon
- Java I/O and threads. cynbe@muq.org
- Java I/O and threads. Jo Dillon
- Java I/O and threads. Elis Pomales
- Reset Death Wes Connell
- Reset Death Quzah [softhome]
- Reset Death Wes Connell
- Reset Death Mik Clarke
- Reset Death Andrew C.M. McClintock
- Reset Death Mik Clarke
- PvP and mob capacities (was "List Peerage") Caliban Tiresias Darklock
- combat diablo@best.com
- META: list "peerage" Darrin Hyrup
- META: list "peerage" J C Lawrence
- Telmaron and Mud servers was: META: list "peerage" Elis Pomales
- META: list "peerage" Caliban Tiresias Darklock
- META: list "peerage" Ben Greear
- Who is? (was about level vs skills) Marian Griffith
- Who is? (was about level vs skills) Caliban Tiresias Darklock
- exploration points diablo@best.com
- [MUD-Dev] Juha Lindfors
- Stock Mud Demographics ##Make Nylander
- ADMIN: Off-topic and the ever present reminders on quoting. J C Lawrence
- Mud reviewing Andy Cink
- Mud reviewing Caliban Tiresias Darklock
- Mud reviewing diablo@best.com
- Mud reviewing Andru Luvisi
- Mud reviewing diablo@best.com
- Mud reviewing J C Lawrence
- Mud reviewing Dan Shiovitz
- Mud reviewing diablo@best.com
- Mud reviewing Caliban Tiresias Darklock
- Mud reviewing diablo@best.com
- Mud reviewing Richard Woolcock
- Mud reviewing David Bennett
- Mud reviewing Caliban Tiresias Darklock
- MUD Admin skills Hal Black
- Subdue Holly Sommer
- processors diablo@best.com
- processors John Bertoglio
- processors Wes Connell
- processors Laurel Fan
- processors Mik Clarke
- processors J C Lawrence
- processors diablo@best.com
- processors Quzah [softhome]
- processors Mik Clarke
- processors J C Lawrence
- processors Marc Hernandez
- processors Adam Wiggins
- processors Greg Underwood
- processors Adam Wiggins
- processors Chris Gray
- processors gunderwood@donet.com
- processors Jon A. Lambert
- processors Greg Underwood
- processors Petri Virkkula
- quests involving players diablo@best.com
- quests involving players Darren Henderson
- quests involving players Caliban Tiresias Darklock
- quests involving players Richard Woolcock