79 lines
2.5 KiB
C#
79 lines
2.5 KiB
C#
namespace ElectricLocomotive;
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public class LocosGenericCollection <T, U> where T : DrawingLocomotiv where U : IMoveableObject
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{
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private readonly int _pictureWidth;
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private readonly int _pictureHeight;
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private readonly int _placeSizeWidth = 170;
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private readonly int _placeSizeHeight = 110;
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private readonly SetGeneric<T> _collection;
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public LocosGenericCollection(int picWidth, int picHeight)
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{
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int width = picWidth / _placeSizeWidth;
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int height = picHeight / _placeSizeHeight;
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_pictureWidth = picWidth;
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_pictureHeight = picHeight;
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_collection = new SetGeneric<T>(width * height);
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}
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public static bool operator +(LocosGenericCollection<T, U> collect, T?
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obj)
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{
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if (obj == null) return false;
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return collect?._collection.Insert(obj) ?? false;
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}
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public static T? operator -(LocosGenericCollection<T, U> collect, int
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pos)
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{
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T? obj = collect._collection[pos];
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if (obj != null)
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{
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collect._collection.Remove(pos);
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}
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return obj;
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}
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public U? GetU(int pos)
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{
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return (U?)_collection[pos]?.GetMoveableObject;
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}
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public Bitmap ShowLocos()
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{
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Bitmap bmp = new(_pictureWidth, _pictureHeight);
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Graphics gr = Graphics.FromImage(bmp);
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DrawBackground(gr);
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DrawObjects(gr);
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return bmp;
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}
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private void DrawBackground(Graphics g)
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{
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Pen pen = new(Color.Black, 3);
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for (int i = 0; i < _pictureWidth / _placeSizeWidth; i++)
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{
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for (int j = 0; j < _pictureHeight / _placeSizeHeight +
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1; ++j)
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{
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g.DrawLine(pen, i * _placeSizeWidth, j *
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_placeSizeHeight, i * _placeSizeWidth + _placeSizeWidth / 2, j *
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_placeSizeHeight);
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}
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g.DrawLine(pen, i * _placeSizeWidth, 0, i *
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_placeSizeWidth, _pictureHeight / _placeSizeHeight * _placeSizeHeight);
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}
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}
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private void DrawObjects(Graphics g)
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{
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int i = 0;
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foreach(var electricLoco in _collection.GetElectricLocos())
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{
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if (electricLoco != null)
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{
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int inRow = _pictureWidth / _placeSizeWidth;
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electricLoco.SetPosition(i % inRow * _placeSizeWidth, _pictureHeight - _pictureHeight % _placeSizeHeight - (i / inRow + 1) * _placeSizeHeight);
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electricLoco.DrawLoco(g);
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}
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i++;
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}
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}
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} |