From bf9aa3207a37d4c2a4d511a6eab0f333c972e83d Mon Sep 17 00:00:00 2001
From: altrisi <altrisi.trillosierra@gmail.com>
Date: Mon, 7 Dec 2020 22:30:04 +0100
Subject: [PATCH] Fix optimizedTNT entity behaviour (#617)

Fixes gnembon#616
---
 src/main/java/carpet/helpers/OptimizedExplosion.java | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/main/java/carpet/helpers/OptimizedExplosion.java b/src/main/java/carpet/helpers/OptimizedExplosion.java
index ddaaa92d..3130f30a 100644
--- a/src/main/java/carpet/helpers/OptimizedExplosion.java
+++ b/src/main/java/carpet/helpers/OptimizedExplosion.java
@@ -132,7 +132,8 @@ public class OptimizedExplosion
 
                 if (d12 <= 1.0D) {
                     double d5 = entity.getX() - eAccess.getX();
-                    double d7 = entity.getY() + (double) entity.getStandingEyeHeight() - eAccess.getY();
+                    // Change in 1.16 snapshots to fix a bug with TNT jumping
+                    double d7 = (entity instanceof TntEntity ? entity.getY() : entity.getEyeY()) - eAccess.getY();
                     double d9 = entity.getZ() - eAccess.getZ();
                     double d13 = (double) MathHelper.sqrt(d5 * d5 + d7 * d7 + d9 * d9);