public AggregateUpdateResult DoPlayerAction(PlayerActions playerAction)
{
switch (playerAction)
{
case PlayerActions.MoveRight:
case PlayerActions.MoveUp:
case PlayerActions.MoveLeft:
case PlayerActions.MoveDown:
_snapshotManager.TakeTentativeSnapshot(this);
bool requiresUpdate = false;
foreach (var playerEntity in PlayerEntities)
{
requiresUpdate |= playerEntity.HandlePlayerAction(this, playerAction);
}
if (requiresUpdate)
{
_snapshotManager.AddPlayerActionHistory(playerAction);
Move++;
var updateResult = UpdateLevel();
return(updateResult);
}
return(new AggregateUpdateResult(AggregateUpdateResult.ResultTypes.Cancelled, 0, _updateResults));
case PlayerActions.Undo:
if (!_snapshotManager.CanUndo)
{
return(new AggregateUpdateResult(AggregateUpdateResult.ResultTypes.Cancelled, 0, _updateResults));
}
_snapshotManager.AddPlayerActionHistory(playerAction);
Undo();
return(new AggregateUpdateResult(AggregateUpdateResult.ResultTypes.UndoPerformed, 0, _updateResults));
case PlayerActions.None:
default:
return(new AggregateUpdateResult(AggregateUpdateResult.ResultTypes.Cancelled, 0, _updateResults));
}
}
