From fde09b245b4336fa5a7b396d0432d7cc87b06efc Mon Sep 17 00:00:00 2001
From: Glease <4586901+Glease@users.noreply.github.com>
Date: Mon, 25 Oct 2021 10:19:37 +0800
Subject: Fix quantum tanks fluid amount flickering

par2 Might be negative under certain circumstance, causing the mContent counter to be temporarily negative.
---
 src/main/java/gregtech/api/gui/GT_Container_BasicTank.java | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/main/java/gregtech/api/gui/GT_Container_BasicTank.java b/src/main/java/gregtech/api/gui/GT_Container_BasicTank.java
index 12878b6a04..5a0f13051a 100644
--- a/src/main/java/gregtech/api/gui/GT_Container_BasicTank.java
+++ b/src/main/java/gregtech/api/gui/GT_Container_BasicTank.java
@@ -223,10 +223,10 @@ public class GT_Container_BasicTank extends GT_ContainerMetaTile_Machine {
         super.updateProgressBar(par1, par2);
         switch (par1) {
             case 100:
-                mContent = mContent & -65536 | par2;
+                mContent = mContent & 0xffff0000 | par2 & 0x0000ffff;
                 break;
             case 101:
-                mContent = mContent & 65535 | par2 << 16;
+                mContent = mContent & 0xffff | par2 << 16;
                 break;
         }
     }
-- 
cgit