PIbd-23_Polevoy_S.V._SelfPr.../AbstractMap.java

104 lines
3.3 KiB
Java

import java.awt.*;
import java.awt.image.BufferedImage;
import java.util.Random;
public abstract class AbstractMap {
private IDrawingObject _drawingObject = 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 Image createMap(int width, int height, IDrawingObject drawingObject) {
_width = width;
_height = height;
_drawingObject = drawingObject;
do {
generateMap();
} while (!setObjectOnMap());
return drawMapWithObject();
}
public Image moveObject(Direction direction) {
_drawingObject.moveObject(direction);
if (objectIntersects()) {
switch (direction) {
case Left -> _drawingObject.moveObject(Direction.Right);
case Right -> _drawingObject.moveObject(Direction.Left);
case Up -> _drawingObject.moveObject(Direction.Down);
case Down -> _drawingObject.moveObject(Direction.Up);
}
}
return drawMapWithObject();
}
private boolean setObjectOnMap() {
if (_drawingObject == null || _map == null)
{
return false;
}
for (int i = 2; i < _map.length; i++)
{
for (int j = 2; j < _map[i].length; j++)
{
_drawingObject.setObject((int) (i * _size_x), (int) (j * _size_y), _width, _height);
if (!objectIntersects()) return true;
}
}
return true;
}
private boolean objectIntersects() {
float[] location = _drawingObject.getCurrentPosition();
Rectangle self = new Rectangle((int) location[0], (int) location[2], (int) location[1] - (int) location[0], (int) location[3] - (int) location[2]);
for (int i = 0; i < _map.length; i++)
{
for (int j = 0; j < _map[i].length; j++)
{
if (_map[i][j] == _barrier)
{
if (self.intersects(new Rectangle(j * (int) _size_x, i * (int) _size_y, (int) _size_x, (int) _size_y)))
{
return true;
}
}
}
}
return false;
}
private Image drawMapWithObject() {
Image img = new BufferedImage(_width, _height, BufferedImage.TYPE_INT_ARGB);
if (_drawingObject == null || _map == null) {
return img;
}
Graphics2D g = (Graphics2D) img.getGraphics();
for (int i = 0; i < _map.length; ++i)
{
for (int j = 0; j < _map[i].length; ++j)
{
if (_map[i][j] == _freeRoad)
{
drawRoadPart(g, i, j);
} else if (_map[i][j] == _barrier)
{
drawBarrierPart(g, i, j);
}
}
}
_drawingObject.drawingObject(g);
return img;
}
protected abstract void generateMap();
protected abstract void drawRoadPart(Graphics2D g, int i, int j);
protected abstract void drawBarrierPart(Graphics2D g, int i, int j);
}