Package ai.nettogrof.battlesnake.snakes

Class ExpertSnake

java.lang.Object

ai.nettogrof.battlesnake.snakes.AbstractSnakeAI

ai.nettogrof.battlesnake.snakes.AbstractSearchSnakeAI

ai.nettogrof.battlesnake.snakes.AbstractTreeSearchSnakeAI

ai.nettogrof.battlesnake.snakes.AbstractMultiThreadSnakeAI

ai.nettogrof.battlesnake.snakes.ExpertSnake

Direct Known Subclasses:

RightSnake

public class ExpertSnake
extends AbstractMultiThreadSnakeAI

Expert snake. This class is used by the "Nessegrev-Beta" snake on Battlesnake. Decent snake using minimax/payoff matrix algorithm only. This snake can play standard, squad, royale, and wrapped. This snake should work with API v0 and API v1. All the move calculation are based on API v0, and if it's API v1, then the snake switch UP and DOWN response.

Version:

Summer 2022

Author:

carl.lajeunesse

Field Summary

Fields inherited from class ai.nettogrof.battlesnake.snakes.AbstractMultiThreadSnakeAI

cpuLimit, multiThread

Fields inherited from class ai.nettogrof.battlesnake.snakes.AbstractTreeSearchSnakeAI

lastRoot, NODECOUNT, searchType

Fields inherited from class ai.nettogrof.battlesnake.snakes.AbstractSearchSnakeAI

losing, minusbuffer, nodeTotalCount, timeout, timeTotal, winning

Fields inherited from class ai.nettogrof.battlesnake.snakes.AbstractSnakeAI

apiversion, BOARD, BODY, DOWN, fileConfig, FOUR_SNAKE, gameId, HEAD, HEALTH, height, HEIGHT_FIELD, LEFT, log, MOVESTR, NAME, RIGHT, rules, SHOUT, SINGLE_SNAKE, SNAKES, SQUAD, TURN, TWO_SNAKE, UPWARD, width, WIDTH_FIELD, YOU

Constructor Summary

Constructors

Constructor	Description
ExpertSnake()	Basic Constructor
ExpertSnake(String gameId)	Constructor with the gameid,

Method Summary

Modifier and Type	Method	Description
protected AbstractNode	genNode(List<SnakeInfo> snakes, FoodInfo food, HazardSquare hazard)	This method generate the root node type
protected AbstractNode	genRoot(com.fasterxml.jackson.databind.JsonNode moveRequest)	Generate the root node based on the /move request
private List<SnakeInfo>	genSnakeInfo(com.fasterxml.jackson.databind.JsonNode board, com.fasterxml.jackson.databind.JsonNode expertSnake)	Generate all snakes info from the json board field
protected String	getFileConfig()	Gets the config file to set properties correctly
Map<String,String>	start(com.fasterxml.jackson.databind.JsonNode startRequest)	This method was used in API v0 to retrieve snake info, but in API v1 the method is call but Battlesnake doesn't need a response.

Methods inherited from class ai.nettogrof.battlesnake.snakes.AbstractMultiThreadSnakeAI

expand, multiThreadtreeSearch, setCpuLimit, setMultiThread, setProperties, startThread, treeSearch

Methods inherited from class ai.nettogrof.battlesnake.snakes.AbstractTreeSearchSnakeAI

chooseBestMove, findChildNewRoot, finishHim, lastChance, move, setTimeout, singleThreadTreeSearch

Methods inherited from class ai.nettogrof.battlesnake.snakes.AbstractSearchSnakeAI

addNodeTotalCount, addTimeTotal, end, generateResponse, genSearchType

Methods inherited from class ai.nettogrof.battlesnake.snakes.AbstractSnakeAI

getInfo, ping, setFileConfig

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ExpertSnake

public ExpertSnake()

Basic Constructor

ExpertSnake

public ExpertSnake(String gameId)

Constructor with the gameid,

Parameters:

gameId - String of the gameid field receive in the start request.

Method Detail

genRoot

protected AbstractNode genRoot(com.fasterxml.jackson.databind.JsonNode moveRequest)

Generate the root node based on the /move request

Specified by:

genRoot in class AbstractTreeSearchSnakeAI

Parameters:

moveRequest - Json request

Returns:

AbstractNode the root

genSnakeInfo

private List<SnakeInfo> genSnakeInfo(com.fasterxml.jackson.databind.JsonNode board,
                                     com.fasterxml.jackson.databind.JsonNode expertSnake)

Generate all snakes info from the json board field

Parameters:

board - Json board field

expertSnake - Json you field

Returns:

list of snakes info

start

public Map<String,String> start(com.fasterxml.jackson.databind.JsonNode startRequest)

This method was used in API v0 to retrieve snake info, but in API v1 the method is call but Battlesnake doesn't need a response. Beta snake is compatible for both API version that why it's return snake info

Overrides:

start in class AbstractSnakeAI

Parameters:

startRequest - Json call received

Returns:

map that can be empty because it will be ignore by BattleSnake server

genNode

protected AbstractNode genNode(List<SnakeInfo> snakes,
                               FoodInfo food,
                               HazardSquare hazard)

This method generate the root node type

Parameters:

snakes - List of snakes

food - Food Information

hazard - Hazard Information

Returns:

Abstract node

getFileConfig

protected String getFileConfig()

Description copied from class: AbstractSnakeAI

Gets the config file to set properties correctly

Specified by:

getFileConfig in class AbstractSnakeAI

Returns:

the config filename