103 lines
3.0 KiB
C#
103 lines
3.0 KiB
C#
using AirBomber.MovementStrategy;
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using AirBomber.Rendering;
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namespace AirBomber.Generics
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{
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internal class EntitiesGenericCollection<T, U>
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where T : BomberRendererBase
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where U : IMovableObject
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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 = 200;
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private readonly int _placeSizeHeight = 200;
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private readonly SetGeneric<T> _collection;
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public EntitiesGenericCollection(int PictureWidth, int PictureHeight)
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{
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int width = PictureWidth / _placeSizeWidth;
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int height = PictureHeight / _placeSizeHeight;
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_pictureWidth = PictureWidth;
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_pictureHeight = PictureHeight;
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_collection = new SetGeneric<T>(width * height);
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}
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public static int operator +(EntitiesGenericCollection<T, U> collect, T? obj)
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{
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if (obj is null || collect is null)
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return -1;
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return collect._collection.Insert(obj);
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}
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public static bool operator -(EntitiesGenericCollection<T, U> collect, int pos)
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{
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T? obj = collect._collection.Get(pos);
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if (obj != null)
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return collect._collection.Remove(pos);
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return false;
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}
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public U? GetU(int pos)
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{
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return (U?)_collection.Get(pos)?.MovableObject;
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}
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public Bitmap ShowEntities()
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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 + 1; ++j)
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g.DrawLine(
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pen,
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i * _placeSizeWidth, j * _placeSizeHeight,
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i * _placeSizeWidth + _placeSizeWidth / 2, j * _placeSizeHeight
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);
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g.DrawLine(
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pen,
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i * _placeSizeWidth, 0,
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i * _placeSizeWidth, _pictureHeight / _placeSizeHeight * _placeSizeHeight
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);
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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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for (int i = 0; i < _collection.Count; i++)
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{
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T? Entity = _collection.Get(i);
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if (Entity is null)
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continue;
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/** Установка позиции */
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int NumX = _pictureWidth / _placeSizeWidth;
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int PosX = (NumX - 1 - i % NumX) * _placeSizeWidth;
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int PosY = (i / NumX) * _placeSizeHeight;
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Entity.SetPosition(PosX, PosY);
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Entity.DrawEntity(g);
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}
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}
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}
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}
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