IDrawningObject & AbstractMap created & fixed for Java

AbstractMap.java

@@ -0,0 +1,163 @@
+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;
+
+    protected abstract void GenerateMap();
+    protected abstract void DrawRoadPart(Graphics g, int i, int j);
+    protected abstract void DrawBarrierPart(Graphics g, int i, int j);
+
+    public BufferedImage CreateMap(int width, int height, IDrawningObject drawningObject)
+    {
+        _width = width;
+        _height = height;
+        _drawningObject = drawningObject;
+        GenerateMap(); // abstract void
+        while (!SetObjectOnMap())
+        {
+            GenerateMap();
+        }
+        return DrawMapWithObject();
+    }
+
+    public BufferedImage MoveObject(Direction direction)
+    {
+        boolean isFree = true;
+
+        int startPosX = (int)(_drawningObject.GetCurrentPosition()[3] / _size_x);
+        int startPosY = (int)(_drawningObject.GetCurrentPosition()[0] / _size_y);
+
+        int objectWidth = (int)(_drawningObject.GetCurrentPosition()[1] / _size_x);
+        int objectHeight = (int)(_drawningObject.GetCurrentPosition()[2] / _size_y);
+
+        switch (direction)
+        {
+            case Right:
+                for (int i = objectWidth; i <= objectWidth + (int)(_drawningObject.getStep() / _size_x); i++)
+                {
+                    for (int j = startPosY; j <= objectHeight; j++)
+                    {
+                        if (_map[i][j] == _barrier)
+                        {
+                            isFree = false;
+                            break;
+                        }
+                    }
+                }
+                break;
+
+            case Left:
+                for (int i = startPosX; i >= (int)(_drawningObject.getStep() / _size_x); i--)
+                {
+                    for (int j = startPosY; j <= objectHeight; j++)
+                    {
+                        if (_map[i][j] == _barrier)
+                        {
+                            isFree = false;
+                            break;
+                        }
+                    }
+                }
+                break;
+
+            case Up:
+                for (int i = startPosX; i <= objectWidth; i++)
+                {
+                    for (int j = startPosY; j >= (int)(_drawningObject.getStep() / _size_y); j--)
+                    {
+                        if (_map[i][j] == _barrier)
+                        {
+                            isFree = false;
+                            break;
+                        }
+                    }
+                }
+                break;
+
+            case Down:
+                for (int i = startPosX; i <= objectWidth; i++)
+                {
+                    for (int j = objectHeight; j <= objectHeight + (int)(_drawningObject.getStep() / _size_y); j++)
+                    {
+                        if (_map[i][j] == _barrier)
+                        {
+                            isFree = false;
+                            break;
+                        }
+                    }
+                }
+                break;
+        }
+        if (isFree)
+        {
+            _drawningObject.MoveObject(direction);
+        }
+        return DrawMapWithObject();
+    }
+
+    private boolean SetObjectOnMap()
+    {
+        if (_drawningObject == null || _map == null)
+        {
+            return false;
+        }
+        int x = _random.nextInt( 10);
+        int y = _random.nextInt( 10);
+        _drawningObject.SetObject(x, y, _width, _height);
+
+        for (int i = 0; i < _map.length; ++i)
+        {
+            for (int j = 0; j < _map[0].length; ++j)
+            {
+                if (i * _size_x >= x && j * _size_y >= y &&
+                        i * _size_x <= x + _drawningObject.GetCurrentPosition()[1] &&
+                        j * _size_y <= j + _drawningObject.GetCurrentPosition()[2])
+                {
+                    if (_map[i][j] == _barrier)
+                    {
+                        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(gr, i, j);
+                }
+                    else if (_map[i][j] == _barrier)
+                {
+                    DrawBarrierPart(gr, i, j);
+                }
+            }
+        }
+        _drawningObject.DrawningObject(gr);
+        return bmp;
+    }
+
+}

IDrawningObject.java

@@ -0,0 +1,17 @@
+import java.awt.*;
+public interface IDrawningObject {
+    /// Шаг перемещения объекта
+    float getStep();
+    /// Установка позиции объекта
+    void SetObject(int x, int y, int width, int height);
+    /// Изменение направления перемещения объекта
+    void MoveObject(Direction direction);
+    /// Отрисовка объекта
+    void DrawningObject(Graphics g);
+    /// Получение текущей позиции объекта
+    float[] GetCurrentPosition();
+    //0 - up
+    //1 - right
+    //2 - down
+    //3 - left
+}