105 lines
2.4 KiB
Go
105 lines
2.4 KiB
Go
package server
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import (
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"log"
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"math/rand"
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)
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type chessGame struct {
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id int
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players [2]Player
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currentTurnPlayer Player
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}
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const (
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PlayerToMove = 0
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CheckPlayerChange = 1
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)
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func NewChessGame(gameId int, players [2]Player) *chessGame {
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var game chessGame = chessGame{
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players: players,
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id: gameId,
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}
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return &game
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}
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func (game *chessGame) handle() {
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defer log.Println("Game ", game.id, ": handle() ended")
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gameState := PlayerToMove
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game.currentTurnPlayer = game.players[0]
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var move *chessMove
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var messageType int
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var receivedMessage []byte
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WriteMessageToPlayer(&game.players[0], []byte("bd init"), 1)
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WriteMessageToPlayer(&game.players[1], []byte("bd init"), 1)
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WriteMessageToPlayer(&game.players[0], []byte("cl white"), 1)
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WriteMessageToPlayer(&game.players[1], []byte("cl black"), 1)
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for {
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switch gameState {
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case PlayerToMove:
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var err error
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messageType, receivedMessage, err = ReadMessageFromPlayer(&game.currentTurnPlayer)
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if err != nil {
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log.Println("Error while reading message:", err)
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// At the moment, we return when there is an error while reading a message.
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// This means, the game just ends uncontrolled
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return
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}
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move, err = parseMove(string(receivedMessage))
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log.Println("Player ", game.currentTurnPlayer, " moved: ", move)
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if err != nil {
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log.Println("Game: ", game.id, err)
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continue
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}
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gameState = CheckPlayerChange
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case CheckPlayerChange:
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if move.realMove {
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if game.currentTurnPlayer.uuid == game.players[0].uuid {
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game.currentTurnPlayer = game.players[1]
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} else {
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game.currentTurnPlayer = game.players[0]
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}
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err := WriteMessageToPlayer(&game.players[0], receivedMessage, messageType)
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if err != nil {
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log.Println("Error during message writing:", err)
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continue
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}
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err = WriteMessageToPlayer(&game.players[1], receivedMessage, messageType)
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if err != nil {
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log.Println("Error during message writing:", err)
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continue
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}
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gameState = PlayerToMove
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} else {
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// Nothing to do if move was not real
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}
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}
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log.Println("GameState = ", gameState)
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if gameState == PlayerToMove {
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log.Println("with player ", game.currentTurnPlayer, " to move")
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}
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}
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}
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func addPlayersToGame(players [2]Player) {
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log.Printf("Adding players %d and %d to new game", players[0].uuid, players[1].uuid)
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game := NewChessGame(rand.Int(), players)
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go game.handle()
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}
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