71 lines
2.3 KiB
C#
71 lines
2.3 KiB
C#
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using ProjectCruiser.DrawningSamples;
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namespace ProjectCruiser;
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/// Абстракция компании, хранящий коллекцию автомобилей
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/// </summary>
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public abstract class AbstractCompany
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{
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// Размеры места
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protected readonly int _placeSizeWidth = 312; // ширина
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protected readonly int _placeSizeHeight = 56; // высота
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// Ширина окна
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protected readonly int _pictureWidth;
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// Высота окна
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protected readonly int _pictureHeight;
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// Коллекция автомобилей
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protected ICollectionGenObj<DrawningBase>? _collection = null;
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private int GetMaxCount => _pictureWidth * _pictureHeight /
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(_placeSizeWidth * _placeSizeHeight);
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public AbstractCompany(int picWidth, int picHeight,
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ICollectionGenObj<DrawningBase>? collection)
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{
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_pictureWidth = picWidth;
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_pictureHeight = picHeight;
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_collection = collection;
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_collection.SetMaxCount = GetMaxCount;
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}
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// Перегрузка оператора сложения для класса
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// [ ! ] insted of bool:
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public static int operator +(AbstractCompany cmp,
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DrawningBase trasport) => (cmp._collection.Insert(trasport));
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// Перегрузка оператора удаления для класса
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public static DrawningBase operator -(AbstractCompany cmp,
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int pos) => (cmp._collection.Remove(pos));
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// Получение случайного объекта из коллекции
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public DrawningBase? GetRandomObject()
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{
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Random rnd = new();
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return _collection?.GetItem(rnd.Next(GetMaxCount));
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}
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// Вывод всей коллекции
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public Bitmap? Show()
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{
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Bitmap bitmap = new(_pictureWidth, _pictureHeight);
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Graphics graphics = Graphics.FromImage(bitmap);
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DrawBackground(graphics);
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SetObjectsPosition();
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for (int i = 0; i < (_collection?.Count ?? 0); ++i)
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{
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DrawningBase? obj = _collection?.GetItem(i);
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obj?.DrawTransport(graphics);
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}
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return bitmap;
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}
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// Вывод заднего фона
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protected abstract void DrawBackground(Graphics g);
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// Расстановка объектов
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protected abstract void SetObjectsPosition();
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}
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