fix: generated equals and hashCode for events, entities and entityIDs

src/main/java/uulm/teamname/marvelous/gamelibrary/entities/Entity.java

@@ -2,6 +2,8 @@ package uulm.teamname.marvelous.gamelibrary.entities;
 
 import uulm.teamname.marvelous.gamelibrary.IntVector2;
 
+import java.util.Objects;
+
 /** Represents an abstract entity. */
 public abstract class Entity {
     /** Whether or not the entity is currently active in the game */
@@ -44,5 +46,18 @@ public abstract class Entity {
     public void setPosition(IntVector2 position) {
         this.position = position;
     }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+        Entity entity = (Entity) o;
+        return active == entity.active && Objects.equals(position, entity.position) && Objects.equals(id, entity.id);
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(active, position, id);
+    }
 }
 

src/main/java/uulm/teamname/marvelous/gamelibrary/entities/EntityID.java

@@ -1,5 +1,7 @@
 package uulm.teamname.marvelous.gamelibrary.entities;
 
+import java.util.Objects;
+
 /** Represents a distinct identification for every {@link Entity} in a game. */
 public class EntityID {
     /** The index of the entity */
@@ -42,4 +44,18 @@ public class EntityID {
     public String toString() {
         return "["+type.toString()+":"+id+"]";
     }
+
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+        EntityID entityID = (EntityID) o;
+        return id == entityID.id && type == entityID.type;
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(id, type);
+    }
 }