127 lines
4.1 KiB
C#

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace AirBomber
{
internal abstract class AbstractMap
{
private IDrawningObject _drawningObject = null;
protected int[,] _map = null;
protected int _width;
protected int _height;
protected float _size_x;
protected float _size_y;
protected readonly Random _random = new();
protected readonly int _freeRoad = 0;
protected readonly int _barrier = 1;
public Bitmap CreateMap(int width, int heigth, IDrawningObject drawningObject)
{
_width = width;
_height = heigth;
_drawningObject = drawningObject;
GenerateMap();
while (!SetObjectOnMap())
{
GenerateMap();
}
return DrawMapWithObject();
}
private bool CanMove(Direction direction, (float Left, float Right, float Top, float Bottom) position)
{
for (int i = (int)(position.Top / _size_y); i <= (int)(position.Bottom / _size_y); ++i)
{
for (int j = (int)(position.Left / _size_x); j <= (int)(position.Right / _size_x); ++j)
{
if (i >= 0 && j >= 0 && i < _map.GetLength(0) && j < _map.GetLength(1) && _map[i, j] == _barrier) return false;
}
}
return true;
}
public Bitmap MoveObject(Direction direction)
{
(float Left, float Right, float Top, float Bottom) position = _drawningObject.GetCurrentPosition();
if (direction == Direction.Left)
{
position.Left -= _drawningObject.Step;
}
else if (direction == Direction.Right)
{
position.Right += _drawningObject.Step;
}
else if (direction == Direction.Up)
{
position.Top -= _drawningObject.Step;
}
else if (direction == Direction.Down)
{
position.Bottom += _drawningObject.Step;
}
if (CanMove(direction, position))
{
_drawningObject.MoveObject(direction);
}
return DrawMapWithObject();
}
private bool SetObjectOnMap()
{
if (_drawningObject == null || _map == null)
{
return false;
}
int x = _random.Next(0, 10);
int y = _random.Next(0, 10);
_drawningObject.SetObject(x, y, _width, _height);
(float Left, float Right, float Top, float Bottom) position = _drawningObject.GetCurrentPosition();
for (int i = (int)(position.Top / _size_y); i <= (int)(position.Bottom / _size_y); ++i)
{
for (int j = (int)(position.Left / _size_x); j <= (int)(position.Right / _size_x); ++j)
{
_map[i, j] = _freeRoad;
}
}
return true;
}
private Bitmap DrawMapWithObject()
{
Bitmap bmp = new(_width, _height);
if (_drawningObject == null || _map == null)
{
return bmp;
}
Graphics gr = Graphics.FromImage(bmp);
for (int i = 0; i < _map.GetLength(0); ++i)
{
for (int j = 0; j < _map.GetLength(1); ++j)
{
if (_map[i,j] == _freeRoad)
{
DrawRoadPart(gr, i, j);
}
else if (_map[i,j] == _barrier)
{
DrawBarrierPart(gr, i, j);
}
}
}
_drawningObject.DrawningObject(gr);
return bmp;
}
protected abstract void GenerateMap();
protected abstract void DrawRoadPart(Graphics g, int i, int j);
protected abstract void DrawBarrierPart(Graphics g, int i, int j);
}
}