89 lines
2.6 KiB
C#
89 lines
2.6 KiB
C#
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namespace ProjectCruiser.MoveStrategy;
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public abstract class AbstractStrategy
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{
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// Перемещаемый объект
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private IMoveableObj? _moveableObject;
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// Статус перемещения (default установка)
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private StrategyStatus _state = StrategyStatus.NotInit;
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// Ширина поля
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protected int FieldWidth { get; private set; }
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// Высота поля
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protected int FieldHeight { get; private set; }
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// Получение статуса
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public StrategyStatus GetStatus() { return _state; }
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// Установка данных
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public void SetData(IMoveableObj moveableObject, int width, int height)
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{
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if (moveableObject == null)
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{
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_state = StrategyStatus.NotInit;
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return;
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}
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_state = StrategyStatus.InProgress;
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_moveableObject = moveableObject;
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FieldWidth = width;
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FieldHeight = height;
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}
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// Шаг перемещения
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public void MakeStep()
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{
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if (_state != StrategyStatus.InProgress)
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{
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return;
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}
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if (IsTargetDestination())
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{
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_state = StrategyStatus.Finish;
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return;
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}
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MoveToTarget();
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}
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// Результаты перемещения
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protected bool MoveLeft() => MoveTo(MovementDirection.Left);
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protected bool MoveRight() => MoveTo(MovementDirection.Right);
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protected bool MoveUp() => MoveTo(MovementDirection.Up);
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protected bool MoveDown() => MoveTo(MovementDirection.Down);
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// Параметры объекта
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protected ObjParameters? GetObjectParameters =>
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_moveableObject?.GetObjectPosition;
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// Шаг объекта
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protected int? GetStep()
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{
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if (_state != StrategyStatus.InProgress)
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{
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return null;
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}
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return _moveableObject?.GetStep;
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}
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// Перемещение к цели
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protected abstract void MoveToTarget();
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// Проверка, достигнута ли цель
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protected abstract bool IsTargetDestination();
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/// Попытка перемещения в требуемом направлении
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/// <param name="movementDirection">Направление</param>
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/// <returns>Результат попытки (true - удалось переместиться, false - неудача)</returns>
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private bool MoveTo(MovementDirection movementDirection)
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{
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if (_state != StrategyStatus.InProgress)
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{
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return false;
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}
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return _moveableObject?.TryMoveObject(movementDirection) ?? false;
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}
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}
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