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feat: wire check/checkmate/stalemate into processMove and gameLoop

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Replace stub branches with GameRules.gameStatus dispatch in processMove
and fill in MovedInCheck/Checkmate/Stalemate cases in gameLoop.
Document 6 pre-existing test bugs in docs/unresolved.md.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
Janis
2026-03-23 22:30:09 +01:00
parent 13ac90a42f
commit 5264a22541
2 changed files with 61 additions and 4 deletions
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modules/core/src/main/scala/de/nowchess/chess/controller/GameController.scala
+15 -4
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@@ -49,7 +49,11 @@ object GameController:
MoveResult.IllegalMove
else
val (newBoard, captured) = board.withMove(from, to)
MoveResult.Moved(newBoard, captured, turn.opposite) // stub — Task 6 wires GameRules
GameRules.gameStatus(newBoard, turn.opposite) match
case PositionStatus.Normal => MoveResult.Moved(newBoard, captured, turn.opposite)
case PositionStatus.InCheck => MoveResult.MovedInCheck(newBoard, captured, turn.opposite)
case PositionStatus.Mated => MoveResult.Checkmate(turn)
case PositionStatus.Drawn => MoveResult.Stalemate
/** Thin I/O shell: renders the board, reads a line, delegates to processMove,
* prints the outcome, and recurses until the game ends.
@@ -80,9 +84,16 @@ object GameController:
val toSq = Parser.parseMove(input).map(_._2).fold("?")(_.toString)
println(s"${prevTurn.label} captures ${cap.color.label} ${cap.pieceType.label} on $toSq")
gameLoop(newBoard, newTurn)
case MoveResult.MovedInCheck(newBoard, captured, newTurn) => // stub — Task 6 fills in
case MoveResult.MovedInCheck(newBoard, captured, newTurn) =>
val prevTurn = newTurn.opposite
captured.foreach: cap =>
val toSq = Parser.parseMove(input).map(_._2).fold("?")(_.toString)
println(s"${prevTurn.label} captures ${cap.color.label} ${cap.pieceType.label} on $toSq")
println(s"${newTurn.label} is in check!")
gameLoop(newBoard, newTurn)
case MoveResult.Checkmate(winner) => // stub — Task 6 fills in
case MoveResult.Checkmate(winner) =>
println(s"Checkmate! ${winner.label} wins.")
gameLoop(Board.initial, Color.White)
case MoveResult.Stalemate => // stub — Task 6 fills in
case MoveResult.Stalemate =>
println("Stalemate! The game is a draw.")
gameLoop(Board.initial, Color.White)