Pibd-22_Presnyakova.V.V_Cat.../AbstractMap.java
2022-12-05 02:29:28 +04:00

116 lines
3.8 KiB
Java

import java.awt.*;
import java.awt.image.BufferedImage;
import java.util.Random;
public 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 final Random _random = new Random();
protected final int _freeRoad = 0;
protected final int _barrier = 1;
public BufferedImage CreateMap(int width, int height, IDrawningObject drawningObject)
{
_width = width;
_height = height;
_drawningObject = drawningObject;
GenerateMap();
while (!SetObjectOnMap())
{
GenerateMap();
}
return DrawMapWithObject();
}
private boolean CheckBarriers(float topOffset, float rightOffset, float leftOffset, float bottomOffset)
{
float[] arrayPossition = _drawningObject.GetCurrentPosition();
int top = (int)((arrayPossition[1] + topOffset) / _size_y);
int right = (int)((arrayPossition[2] + rightOffset) / _size_x);
int left = (int)((arrayPossition[0] + leftOffset) / _size_x);
int bottom = (int)((arrayPossition[3] + bottomOffset) / _size_y);
if (top < 0 || left < 0 || right >= _map[0].length || bottom >= _map.length) return false;
for (int i = top; i <= bottom; i++)
{
for (int j = left; j <= right; j++)
{
if (_map[j][i] == _barrier) return false;
}
}
return true;
}
public BufferedImage MoveObject(Direction direction)
{
if (_drawningObject == null) return DrawMapWithObject();
boolean isTrue = true;
switch (direction)
{
case Left:
if (!CheckBarriers(0, -1 * _drawningObject.Step(), -1 * _drawningObject.Step(), 0)) isTrue = false;
break;
case Right:
if (!CheckBarriers(0, _drawningObject.Step(), _drawningObject.Step(), 0)) isTrue = false;
break;
case Up:
if (!CheckBarriers(-1 * _drawningObject.Step(), 0, 0, -1 * _drawningObject.Step())) isTrue = false;
break;
case Down:
if (!CheckBarriers(_drawningObject.Step(), 0, 0, _drawningObject.Step())) isTrue = false;
break;
}
if (isTrue)
{
_drawningObject.MoveObject(direction);
}
return DrawMapWithObject();
}
private boolean SetObjectOnMap()
{
if (_drawningObject == null || _map == null)
{
return false;
}
int x = _random.nextInt(0, 10);
int y = _random.nextInt(0, 10);
_drawningObject.SetObject(x, y, _width, _height);
if (!CheckBarriers(0, 0, 0, 0)) return false;
return true;
}
private BufferedImage DrawMapWithObject()
{
BufferedImage bmp = new BufferedImage(_width, _height, BufferedImage.TYPE_INT_RGB);
if (_drawningObject == null || _map == null)
{
return bmp;
}
Graphics gr = bmp.getGraphics();
for (int i = 0; i < _map.length; ++i)
{
for (int j = 0; j < _map[0].length; ++j)
{
if (_map[i][j] == _freeRoad)
{
DrawRoadPart((Graphics2D) gr, i, j);
}
else if (_map[i][j] == _barrier)
{
DrawBarrierPart((Graphics2D) gr, i, j);
}
}
}
_drawningObject.DrawningObject(gr);
return bmp;
}
protected abstract void GenerateMap();
protected abstract void DrawRoadPart(Graphics2D g, int i, int j);
protected abstract void DrawBarrierPart(Graphics2D g, int i, int j);
}