Add support for animal AI

src/main/java/com/bartlomiejpluta/demo/ai/AnimalAI.java

@@ -0,0 +1,42 @@
+package com.bartlomiejpluta.demo.ai;
+
+import lombok.*;
+import com.bartlomiejpluta.base.api.map.layer.object.ObjectLayer;
+import com.bartlomiejpluta.base.api.ai.*;
+import com.bartlomiejpluta.base.api.move.Direction;
+import com.bartlomiejpluta.base.lib.ai.*;
+
+import com.bartlomiejpluta.demo.entity.Enemy;
+import com.bartlomiejpluta.demo.entity.Character;
+
+public class AnimalAI implements AI {
+	private final Enemy animal;
+	private final Character character;
+	private final int range;
+	private final AI idleAI;
+	private final AI runawayAI;
+
+	public AnimalAI(Enemy animal, Character character, int range) {
+		this.animal = animal;
+		this.character = character;
+		this.range = range;
+		this.idleAI = new RandomMovementAI(animal, 4);
+		this.runawayAI = new RunawayAI<>(animal, character);
+	}
+
+	@Override
+   public void nextActivity(ObjectLayer layer, float dt) {
+		if(animal.isMoving()) {
+			return;
+		}
+
+		var distance = animal.manhattanDistance(character);
+
+		if(animal.getHp() < animal.getMaxHp() && distance < range) {
+			runawayAI.nextActivity(layer, dt);
+			return;
+		}
+
+		idleAI.nextActivity(layer, dt);
+   }
+}