private void RestorePreviousState(PreviousTowerState previousState, IEntitiesDB entitiesDB)
{
foreach (PreviousPieceState state in previousState.Pieces)
{
PieceEV piece = state.Piece;
pieceSetService.SetPiecePlayerOwner(piece, state.PlayerColor, entitiesDB);
if (piece.Piece.PieceType != state.PieceType)
{
pieceSetService.SetPieceSide(piece, state.PieceType == piece.Piece.Front ? PieceSide.FRONT : PieceSide.BACK, entitiesDB);
}
pieceSetService.SetPieceLocationAndTier(piece, state.Location, state.Tier, entitiesDB);
pieceSetService.SetTopOfTower(piece, entitiesDB, state.TopOfTower);
}
}
private PreviousTowerState?SaveDestinationTowerState(PreviousMoveState previousMoveState, List <PieceEV> allPieces)
{
PreviousTowerState returnValue = new PreviousTowerState
{
Pieces = new List <PreviousPieceState>()
};
List <PieceEV> piecesAtDestination = FindPiecesAtLocation(previousMoveState.pieceCaptured.Value.Location, allPieces); // Min size one
foreach (PieceEV piece in piecesAtDestination)
{
returnValue.Pieces.Add(SaveSingleState(piece));
}
return(returnValue);
}
private PreviousTowerState CreatePreviousState(List <PieceEV> towerPieces)
{
PreviousTowerState returnValue = new PreviousTowerState
{
Pieces = new List <PreviousPieceState>()
};
foreach (PieceEV piece in towerPieces)
{
returnValue.Pieces.Add(new PreviousPieceState
{
Piece = piece,
PlayerColor = piece.PlayerOwner.PlayerColor,
PieceType = piece.Piece.PieceType,
Location = piece.Location.Location,
Tier = piece.Tier.Tier,
TopOfTower = piece.Tier.TopOfTower
});
}
return(returnValue);
}
private bool DoesImmobileCaptureResolveOrPreventCheck(List <PieceEV> towerPieces, int tierIndex, IEntitiesDB entitiesDB)
{
bool returnValue = false;
PreviousTowerState previousState = CreatePreviousState(towerPieces);
TurnEV currentTurn = turnService.GetCurrentTurnEV(entitiesDB);
PieceEV commander = pieceFindService.FindCommander(currentTurn.TurnPlayer.PlayerColor, entitiesDB);
PieceEV?capturedPiece = TempImmobileCapture(
towerPieces, tierIndex, currentTurn.TurnPlayer.PlayerColor, entitiesDB);
// Betrayal did not cause two file move violation
if (capturedPiece.HasValue)
{
returnValue = !checkService.IsCommanderInCheck(currentTurn.TurnPlayer.PlayerColor, entitiesDB);
if (!returnValue && checkService.IsForcedRearrangementPossible(capturedPiece.Value))
{
returnValue = DoesForcedRearrangementResolveOrPreventCheck(capturedPiece.Value, commander, towerPieces, entitiesDB);
}
}
RestorePreviousState(previousState, entitiesDB);
return(returnValue);
}
