The Poker Game
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The Poker Game in Jadex. by Group 1 Mohammed Musavi (Ashkan) Xavi Dolcet Enric Tejedor. Texas Hold’em Poker. Scenario Agent design Jadex implementation detail Demo . Texas Hold’em Poker. Community card type poker Typical full table has nine or ten player

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The Poker Game in Jadex

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The poker game in jadex

The Poker Gamein Jadex

by

Group 1

Mohammed Musavi (Ashkan)

Xavi Dolcet

Enric Tejedor


The poker game in jadex

Texas Hold’em Poker

  • Scenario

  • Agent design

  • Jadex implementation detail

  • Demo


The poker game in jadex

Texas Hold’em Poker

  • Community card type poker

  • Typical full table has nine or ten player

  • Dealer position identifies with Button

  • At the casino a Croupier controls the rounds

  • Identifying the winner at the Showdown or when player Bluffs

  • Awarding the pot to the winner


The poker game in jadex

Texas Hold’em Poker

  • Betting rounds

  • Pre-Flop (little & big blind, dealing cards - players actions: Call, Raise, Check and Fold)

  • Flop (dealer burns a card – face up 3 cards)

  • Turn (dealing fourth community card)

  • River (dealing fifth community card)

  • Showdown if necessary


Texas hold em poker

Texas Hold’em Poker

Poker Hand

Ranking


Texas hold em poker1

Texas Hold’em Poker

  • 3 Strategies are implemented:

  • Conservative gaming: ONLY high hands

  • Aggressive gaming: medium/high hands

  • Bluffer: all type of hands


Texas hold em poker2

Texas Hold’em Poker

Issues to consider

Game management:

Register/unregister players

Managing hand (i.e. card dealing, players turn, …)

Showdown (identifying the winner)


Texas hold em poker3

Texas Hold’em Poker

Game rounds (pre-flop, flop, turn & river)

Betting process (call, raise, check, fold…)

Available roles in the game process (i.e. joining players or winner checking)

Game rules ( i.e. one dealer but several players, …)


The poker game in jadex

Prometheus Design


The poker game in jadex

System specification


The poker game in jadex

System specification(2)


The poker game in jadex

Architectural design


The poker game in jadex

Detailed design: Croupier


The poker game in jadex

Detailed design: Player


The poker game in jadex

Implementation Details


The poker game in jadex

Meta-level reasoning

<metagoal name="choose_bet">

<parameterset name="applicables" .../>

<parameterset name="result" ... direction="out"/>

<trigger> <messageevent ref="bet_start"/> </trigger>

</metagoal>

...

<plan name="choose_betting_plan">

<parameterset name="applicables" ...>

<goalmapping ref="choose_bet.applicables"/>

</parameterset>

<parameterset name="result" ... direction="out">

<goalmapping ref="choose_bet.result"/>

</parameterset>

<body>new ChooseBettingPlanPlan()</body>

<trigger> <goal ref="choose_bet"/> </trigger>

</plan>


The poker game in jadex

OQL syntax

<plan name="notify_result">

<parameter name="loser" class="AgentId">

<bindingoptions>

select AgentId $player from $beliefbase.table.getPlayers()

where !$goal.game_result.getWinners().contains($player)

</bindingoptions>

</parameter>

<parameter name="game_result" class="GameResult">

<value>$goal.game_result</value>

</parameter>

<body>new NotifyGameResultPlan()</body>

<trigger>

<goal ref="notify_result"/>

</trigger>

</plan>


The poker game in jadex

Poker ontology

  • Agents can’t acces others’ beliefs!

  • Messages are used to exchange knowledge

  • Content Language: NuggetsXML

  • Ontology: Protégé + Beanynizer


The poker game in jadex

Plan triggers

A plan can be activated by the following elements:

- Events

- Goals

- Beliefs

- Facts

- Conditions


The poker game in jadex

Demo


The poker game in jadex

Final Analysis


The poker game in jadex

Pros

  • Fast learning curve (Java / XML)

  • Meta-level reasoning

  • Richness, expressivity, dinamicity

    • Goal-orientedness

    • Plan triggers

    • OQL Syntax

  • Good set of tools

    • Ontologies

  • Standalone /JADE


The poker game in jadex

Cons

  • No CASE tool to assist development

    • XML ADF files

  • Tedious coding of message events

  • Stability issues

  • Scheduling mechanism


The poker game in jadex

Conclusions

  • Jadex is a recommendable BDI reasoning engine

  • Good features, and some lacks that could be fixed

  • Open source counterpart to JACK


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