Implement entity eye height based on boundingbox

src/main/java/net/minestom/server/entity/Entity.java

@@ -90,7 +90,6 @@ public abstract class Entity implements Viewable, EventHandler, DataContainer, P
     protected float gravityAcceleration;
     protected float gravityTerminalVelocity;
     protected int gravityTickCount; // Number of tick where gravity tick was applied
-    protected float eyeHeight;
 
     private boolean autoViewable;
     private final int id;
@@ -1208,20 +1207,13 @@ public abstract class Entity implements Viewable, EventHandler, DataContainer, P
 
     /**
      * Gets the entity eye height.
+     * <p>
+     * Default to {@link BoundingBox#getHeight()}x0.85
      *
      * @return the entity eye height
      */
     public float getEyeHeight() {
-        return eyeHeight;
-    }
-
-    /**
-     * Changes the entity eye height.
-     *
-     * @param eyeHeight the entity eye height
-     */
-    public void setEyeHeight(float eyeHeight) {
-        this.eyeHeight = eyeHeight;
+        return boundingBox.getHeight() * 0.85f;
     }
 
     /**

src/main/java/net/minestom/server/entity/Player.java

@@ -202,7 +202,6 @@ public class Player extends LivingEntity implements CommandSender {
         this.playerConnection = playerConnection;
 
         setBoundingBox(0.6f, 1.8f, 0.6f);
-        setEyeHeight(1.62f);
 
         setRespawnPoint(new Position(0, 0, 0));
 

src/main/java/net/minestom/server/entity/type/monster/EntityCaveSpider.java

@@ -9,6 +9,5 @@ public class EntityCaveSpider extends EntityCreature implements Monster {
     public EntityCaveSpider(Position spawnPosition) {
         super(EntityType.CAVE_SPIDER, spawnPosition);
         setBoundingBox(0.7f, 0.5f, 0.7f);
-        setEyeHeight(0.45f);
     }
 }

src/main/java/net/minestom/server/entity/type/monster/EntityEndermite.java

@@ -9,6 +9,5 @@ public class EntityEndermite extends EntityCreature implements Monster {
     public EntityEndermite(Position spawnPosition) {
         super(EntityType.ENDERMITE, spawnPosition);
         setBoundingBox(0.4f, 0.3f, 0.4f);
-        setEyeHeight(0.13f);
     }
 }

src/main/java/net/minestom/server/entity/type/monster/EntityGhast.java

@@ -16,7 +16,6 @@ public class EntityGhast extends EntityCreature implements Monster {
     public EntityGhast(Position spawnPosition) {
         super(EntityType.GHAST, spawnPosition);
         setBoundingBox(4, 4, 4);
-        setEyeHeight(2.6f);
     }
 
     @NotNull

src/main/java/net/minestom/server/entity/type/monster/EntitySilverfish.java

@@ -9,6 +9,5 @@ public class EntitySilverfish extends EntityCreature implements Monster {
     public EntitySilverfish(Position spawnPosition) {
         super(EntityType.SILVERFISH, spawnPosition);
         setBoundingBox(0.4f, 0.3f, 0.4f);
-        setEyeHeight(0.13f);
     }
 }

src/main/java/net/minestom/server/entity/type/monster/EntitySpider.java

@@ -16,7 +16,6 @@ public class EntitySpider extends EntityCreature implements Monster {
     public EntitySpider(Position spawnPosition) {
         super(EntityType.SPIDER, spawnPosition);
         setBoundingBox(1.4f, 0.9f, 1.4f);
-        setEyeHeight(0.65f);
     }
 
     @NotNull

src/main/java/net/minestom/server/entity/type/monster/EntityWitch.java

@@ -16,7 +16,6 @@ public class EntityWitch extends EntityCreature implements Monster {
     public EntityWitch(Position spawnPosition) {
         super(EntityType.WITCH, spawnPosition);
         setBoundingBox(0.6f, 1.95f, 0.6f);
-        setEyeHeight(1.62f);
     }
 
     @NotNull