mchess-server/chess/piece_interface.go

package chess

import (
	"mchess_server/types"
)

type Piece interface {
	GetAllNonBlockedMoves(board Board, fromSquare types.Coordinate) []types.Coordinate
    GetAllAttackedSquares(board Board, fromSquare types.Coordinate) []types.Coordinate
	GetColor() types.ChessColor
}

func GetPieceForShortName(name types.PieceShortName, color types.ChessColor) Piece {
	var piece Piece

	switch name {
	case 'p':
		piece = Pawn{Color: color}
	case 'q':
		piece = Queen{Color: color}
	case 'k':
		piece = King{Color: color}
	case 'b':
		piece = Bishop{Color: color}
	case 'r':
		piece = Rook{Color: color}
	case 'n':
		piece = Knight{Color: color}
	}
	return piece
}

func GetShortNameForPiece(piece Piece) types.PieceShortName {
	var name types.PieceShortName
	switch piece.(type) {
	case Pawn:
		name = 'p'
	case Queen:
		name = 'q'
	case King:
		name = 'k'
	case Bishop:
		name = 'b'
	case Rook:
		name = 'r'
	case Knight:
		name = 'n'
	}
	return name
}