class Qi::Action

Overview

The Action abstraction.

Defined in:

qi/action.cr

Constructors

Instance Method Summary

Constructor Detail

def self.new(src_square_id : Int32 | Nil, dst_square_id : Int32, moved_piece_name : String, captured_piece_name : String | Nil = nil) #

Initialize an action instance.

@param src_square_id [Integer, nil] The source square ID. @param dst_square_id [Integer] The target square ID. @param moved_piece_name [String] The moved piece name. @param captured_piece_name [String, nil] The captured piece name.

@example Initialize a promoted bishop action from 43 to 13 new(43, 13, "+B", nil)

@see https://developer.sashite.com/specs/portable-action-notation


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Instance Method Detail

def call(*, in_hand : Array(String), square : Hash(Int32, String)) #

Commit an action to the position.

@param in_hand [Array] The list of pieces in hand. @param square [Hash] The index of each piece on the board.

@example Commit a Shogi action to the piece set of a position call( 43, 13, "+B", nil, in_hand: %w[S r r b g g g g s n n n n p p p p p p p p p p p p p p p p p], square: { 3 => "s", 4 => "k", 5 => "s", 22 => "+P", 43 => "+B" } )

=> {:in_hand=>["S", "r", "r", "b", "g", "g", "g", "g", "s", "n", "n", "n", "n", "p", "p", "p", "p", "p", "p", "p", "p", "p", "p", "p", "p", "p", "p", "p", "p", "p"], :square=>{3=>"s", 4=>"k", 5=>"s", 22=>"+P", 13=>"+B"}}

@return [NamedTuple] The next piece set.


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