Snake following player

Zoelda/src/main/World.java

@@ -4,9 +4,9 @@ import ea.Knoten;
 import main.entities.Entity;
 import main.entities.Player;
 import main.entities.Snake;
-import main.maps.Corridor;
 import main.entities.Spider;
 import main.maps.Map;
+import main.maps.TestMap;
 
 /**
  * Hier werden alle Maps gespeichert.
@@ -21,8 +21,8 @@ public class World extends Knoten {
 	public World() {
 
 		// Map initialisieren
-		currentMap = new Corridor();
-		// Map zu EA hinzuf<EFBFBD>gen
+		currentMap = new TestMap();
+		// Map zu EA hinzufügen
 		add(currentMap);
 
 		// und Entities auch

Zoelda/src/main/entities/LivingEntity.java

@@ -1,10 +1,6 @@
 package main.entities;
 
-import java.awt.Color;
-import java.awt.Graphics2D;
-
 import ea.ActionFigur;
-import ea.BoundingRechteck;
 import ea.Figur;
 import main.World;
 
@@ -18,6 +14,7 @@ public class LivingEntity extends Entity {
 	protected float spriteScale = 1f; // Skalierung des Sprites
 	protected float spriteOffsetX, spriteOffsetY; // Offset des Sprites. Hier kann man die relative render-Position nachjustieren.
 	protected float hp = 1f; //hp des Entitys
+	protected boolean mirrored;
 	/**
 	 * @param figur - erstes (standart) Sprite
 	 * @param name  - name des Zustands
@@ -26,13 +23,13 @@ public class LivingEntity extends Entity {
 		actionFigur = new ActionFigur(figur, name) {
 			// DEBUG: render boxes
 
-			@Override
-			public void zeichnen(Graphics2D g, BoundingRechteck r) {
-				g.setColor(Color.GREEN);
-				g.drawRect((int) actionFigur.positionX(), (int) actionFigur.positionY(), (int) actionFigur.getBreite(), (int) actionFigur.getHoehe());
-				g.drawRect((int) ((posX - width / 2) * World.SCALE), (int) ((posY - height / 2) * World.SCALE), (int) (width * World.SCALE), (int) (height * World.SCALE));
-				super.zeichnen(g, r);
-			}
+//			@Override
+//			public void zeichnen(Graphics2D g, BoundingRechteck r) {
+//				g.setColor(Color.GREEN);
+//				g.drawRect((int) actionFigur.positionX(), (int) actionFigur.positionY(), (int) actionFigur.getBreite(), (int) actionFigur.getHoehe());
+//				g.drawRect((int) ((posX - width / 2) * World.SCALE), (int) ((posY - height / 2) * World.SCALE), (int) (width * World.SCALE), (int) (height * World.SCALE));
+//				super.zeichnen(g, r);
+//			}
 		};
 	}
 
@@ -56,7 +53,7 @@ public class LivingEntity extends Entity {
 	 * Spiegelt die figur autmatisch, wenn nötig.
 	 */
 	protected void zustandSetzen(String name) {
-		actionFigur.spiegelXSetzen(side);
+		actionFigur.spiegelXSetzen(mirrored ? !side : side);
 		actionFigur.zustandSetzen(name);
 	}
 	

Zoelda/src/main/entities/Snake.java

@@ -5,6 +5,7 @@ import java.util.ArrayList;
 import ea.Vektor;
 import main.Main;
 import main.SheetLoader;
+import main.Tile;
 
 public class Snake extends LivingEntity {
 
@@ -16,6 +17,15 @@ public class Snake extends LivingEntity {
 		posX = 9f;
 		posY = 9f;
 		accelleration = 0.008f;
+		spriteOffsetY = -0.6f;
+		width = 0.65f;
+		height = 0.8f;
+		mirrored = true;
+		
+		actionFigur.neuerZustand(loader.getFigur(1), "lost_sight");
+		actionFigur.neuerZustand(loader.getFigur(2), "walk");
+		actionFigur.neuerZustand(loader.getFigur(3), "attack");
+		actionFigur.neuerZustand(loader.getFigur(4), "die");
 	}
 
 	@Override
@@ -29,13 +39,42 @@ public class Snake extends LivingEntity {
 				}
 			}
 		}
-		if (nearestPlayer != null) {
+		if (nearestPlayer != null && lineOfSightClear(nearestPlayer)) {
 			Vektor toPlayer = new Vektor(nearestPlayer.posX - posX, nearestPlayer.posY - posY);
 			toPlayer = toPlayer.normiert();
 			velX += toPlayer.x * accelleration;
 			velY += toPlayer.y * accelleration;
+			zustandSetzen("walk");
+		} else {
+			if (actionFigur.aktuellesVerhalten().equals("walk")) {
+				zustandSetzen("lost_sight");
+			}
+			if (actionFigur.aktuellesVerhalten().equals("lost_sight") && actionFigur.aktuelleFigur().aktuellesBild() == actionFigur.aktuelleFigur().animation().length - 1) {
+				actionFigur.aktuelleFigur().animationsBildSetzen(0);
+				zustandSetzen("idle");
+			}
 		}
 		this.checkTileCollisions(Main.instance.getWorld().getCurrentMap());
 		super.update();
 	}
+	
+	private boolean lineOfSightClear(Entity e) {
+		Vektor direct = new Vektor(e.posX - posX, e.posY - posY).normiert();
+		direct = direct.teilen(4f);
+		Vektor loc = new Vektor(posX, posY);
+		float lastDist;
+		float dist = Float.MAX_VALUE;
+		boolean clear = true;
+		do {
+			loc = loc.summe(direct);
+			lastDist = dist;
+			dist = Math.abs(e.posX - loc.x) + Math.abs(e.posY - loc.y);
+			Tile t = Main.instance.getWorld().getCurrentMap().getTile((int) loc.x, (int) loc.y); 
+			if (t != null && t.isCollidable()) {
+				clear = false;
+				break;
+			}
+		} while (dist < lastDist);
+		return clear;
+	}
 }