Added the function of drawing rectangular hitboxes, as well as the ability to erase and save the result. You need to draw from left to right

src/gui/render/HitboxRectengleRenderingFunction.java

@@ -2,31 +2,154 @@ package gui.render;
 
 import java.awt.Graphics2D;
 import java.awt.event.MouseEvent;
+import java.time.LocalTime;
+import java.util.ArrayList;
+import java.util.List;
+
+import events.EntityHitboxChangedEvent;
+import events.EntityHitboxChangedListener;
+import model.Entity;
+import model.Hitbox;
+import model.HitboxRectangle;
+import model.Point;
 
 public class HitboxRectengleRenderingFunction implements ShapeRenderingFunction {
 
+	Point firstIsoPoint = null;
+	Point currentIsoPoint = new Point(0,0);
+	Point firstCartesianPoint = new Point(0,0), currentCartesianPoint = new Point(0,0);
+	private List<EntityHitboxChangedListener> listeners = new ArrayList<>();
+	Entity entity;
+	private List<Point> LocalListPointsIso = new ArrayList<Point>();
+	private List<Point> LocalListPointsCartesian = new ArrayList<Point>();
+	
+	
+	public List<Point> getLocalListPointsIso() {
+		return LocalListPointsIso;
+	}
+	
+	public List<Point> getLocalListPointsCartesian() {
+		return LocalListPointsCartesian;
+	}
+	
+	public void setFirstIsoPointIsNull(){
+		firstIsoPoint = null;
+	}
+	
 	@Override
 	public void drawing(Graphics2D g) {
-		// TODO Auto-generated method stub
+		HitboxRectangle nowHitbox = (HitboxRectangle)entity.getHitbox();
+		int x1,y1,x2,y2;
+		if(nowHitbox.getListPointsIso().size() == 4) {
+			drawingLinesFromListPoints(nowHitbox.getListPointsIso(),g);
+		}
+		if(firstIsoPoint!=null&&nowHitbox.getListPointsIso().size() == 0) {
+			drawingLinesFromListPoints(LocalListPointsIso,g);
+		}
 		
 	}
+	
+	public void drawingLinesFromListPoints(List<Point> listPointsIso, Graphics2D g) {
+		int x1,y1,x2,y2;
+			int size = listPointsIso.size();
+			for(int i = 0; i < size;i++) {
+	            x1 = (int)listPointsIso.get(i % size).x;
+	            y1 = (int)listPointsIso.get(i % size).y;
+	            x2 = (int)listPointsIso.get((i+1) % size).x;
+	            y2 = (int)listPointsIso.get((i+1) % size).y;
+	            g.drawLine(x1, y1, x2, y2);
+	        }
+			x1 = (int)listPointsIso.get(0).x;
+            y1 = (int)listPointsIso.get(0).y;
+            x2 = (int)listPointsIso.get(3).x;
+            y2 = (int)listPointsIso.get(3).y;
+            g.drawLine(x1, y1, x2, y2);
+	}
 
 	@Override
 	public void mousePressed(MouseEvent e) {
-		// TODO Auto-generated method stub
-		
-	}
-
-	@Override
-	public void mouseClicked(MouseEvent e) {
-		// TODO Auto-generated method stub
-		
+		//System.out.println("mousePressed");
+		//System.out.println("mouseClicked");
+		HitboxRectangle nowHitbox = (HitboxRectangle)entity.getHitbox();
+		if(nowHitbox.getListPointsIso().size() == 0 && firstIsoPoint == null) {
+			initListsPoints();
+			firstIsoPoint = new Point(currentIsoPoint.x,currentIsoPoint.y);
+			LocalListPointsIso.get(0).setXY(firstIsoPoint.x, firstIsoPoint.y);
+			firstCartesianPoint = Hitbox.isometricToCartesian(firstIsoPoint.x, firstIsoPoint.y,firstCartesianPoint);
+			LocalListPointsCartesian.get(0).setXY(firstCartesianPoint.x, firstCartesianPoint.y);
+			System.out.println("mouseClicked Event 1 TIME: "+LocalTime.now());
+		}else if(nowHitbox.getListPointsIso().size() == 0 && firstIsoPoint != null) {
+			nowHitbox.getListPointsIso().addAll(LocalListPointsIso);
+			nowHitbox.getListPointsCartesian().addAll(LocalListPointsCartesian);
+			System.out.println("mouseClicked Event 2 TIME: "+LocalTime.now());
+			
+			/*
+			 * В данном месте при нажатии закрепляющей точки, необходимо вызывать функцию, 
+			 * которая будет формировать из текущих декартовых координат: 
+			 * 1. Точку старта и ширину с высотой.
+			 * 2. Так же необходимо реализовать слушатель сохранения новых хитбоксов в дерево.
+			 * 
+			 * */
+			notifySubscribers();
+		}
 	}
 
 	@Override
 	public void mouseMoved(MouseEvent e) {
-		// TODO Auto-generated method stub
-		
+		currentIsoPoint.x = e.getX();
+		currentIsoPoint.y = e.getY();
+		HitboxRectangle nowHitbox = (HitboxRectangle)entity.getHitbox();
+		if(entity!=null) {
+			if(firstIsoPoint != null && nowHitbox.getListPointsIso().size() == 0) {
+				//System.out.println("firstPoint("+firstIsoPoint.x+";"+firstIsoPoint.y+");");
+				currentCartesianPoint = Hitbox.isometricToCartesian(currentIsoPoint.x, currentIsoPoint.y, currentCartesianPoint);
+				LocalListPointsCartesian.get(0).setXY(firstCartesianPoint.x, firstCartesianPoint.y);
+				LocalListPointsCartesian.get(1).setXY(currentCartesianPoint.x, firstCartesianPoint.y);
+				LocalListPointsCartesian.get(2).setXY(currentCartesianPoint.x, currentCartesianPoint.y);
+				LocalListPointsCartesian.get(3).setXY(firstCartesianPoint.x, currentCartesianPoint.y);
+				convertCartesianPointsToIso();
+			}
+		}
 	}
 
+	public void setEntityInHtiboxRectengle(Entity e) {
+		entity = e;	
+	}
+
+	public void subscribe(EntityHitboxChangedListener listener) {
+        listeners.add(listener);
+	}
+	
+	public void unsubscribe(EntityHitboxChangedListener listener) {
+        listeners.remove(listener);
+	}
+	
+	private void notifySubscribers() {
+		for (EntityHitboxChangedListener listener : listeners) {
+			listener.hitboxChanged(
+				new EntityHitboxChangedEvent(entity.getHitbox(), entity)
+			);
+		}
+	}
+	
+	public void initListsPoints() {
+		if(LocalListPointsIso.size()<1) {
+			for(int i=0;i<4;i++) { 
+				LocalListPointsIso.add(new Point(currentIsoPoint.x,currentIsoPoint.y));
+			}	
+		}
+		if(LocalListPointsCartesian.size()<1) {
+			for(int i=0;i<4;i++) { 
+				LocalListPointsCartesian.add(new Point(0,0));
+			}	
+		}
+	}
+	public void convertCartesianPointsToIso() {
+		Point cartesianPoint;
+		for (int i = 0 ; i<4;i++) {
+			cartesianPoint = LocalListPointsCartesian.get(i);
+			Hitbox.cartesianToIsometric(cartesianPoint.x,cartesianPoint.y,LocalListPointsIso.get(i));
+		}
+	}
+	
 }