Added getHeadPos method to IEntity

Author: ZeroMemes

src/main/java/clientapi/load/mixin/MixinEntity.java

@@ -57,8 +57,9 @@ public abstract class MixinEntity implements IEntity {
     @Shadow public void move(MoverType type, double x, double y, double z) {}
     @Shadow public abstract boolean isSprinting();
     @Shadow public abstract boolean isRiding();
+    @Shadow public abstract float getEyeHeight();
 
-    private Vec3 pos, prevPos, lastTickPos, motion;
+    private Vec3 pos, prevPos, lastTickPos, headPos, motion;
     private Vec2 rotation, prevRotation;
 
     @Inject(method = "applyEntityCollision", at = @At("HEAD"), cancellable = true)
@@ -133,6 +134,14 @@ public final Vec3 getLastTickPos() {
         return lastTickPos.setX(lastTickPosX).setY(lastTickPosY).setZ(lastTickPosZ);
     }
 
+    @Override
+    public final Vec3 getHeadPos() {
+        if (headPos == null)
+            headPos = new Vec3();
+
+        return headPos.setX(posX).setY(posY + getEyeHeight()).setZ(posZ);
+    }
+
     @Override
     public final Vec2 getRotations() {
         if (rotation == null)

src/main/java/clientapi/load/mixin/extension/IEntity.java

@@ -88,6 +88,13 @@ public interface IEntity {
      */
     Vec3 getLastTickPos();
 
+    /**
+     * Returns a {@code Vec3} with the world position of this entity's head
+     *
+     * @return This entity's head position
+     */
+    Vec3 getHeadPos();
+
     /**
      * Converts the entity rotation angles to a {@code Vec2}
      *