fix: Negative health packet values for Alpha and early Beta, resolves #47

notdevcody · notdevcody · commit 3134d825cfe1 · 2025-05-23T20:01:21.000+02:00
diff --git a/src/main/java/net/minecraft/server/NetServerHandler.java b/src/main/java/net/minecraft/server/NetServerHandler.java
@@ -1032,6 +1032,11 @@ public void sendPacket(Packet packet) {
                 this.g = this.f;
                 return;
             }
+        } else if (packet instanceof Packet8UpdateHealth) {
+            Packet8UpdateHealth packet8 = (Packet8UpdateHealth) packet;
+            if (this.networkManager.pvn <= 7 && packet8.a < 0) {
+                packet8.a = 0;
+            }
         }
 
         // CraftBukkit start

Original file line number	Diff line number	Diff line change
`@@ -1032,6 +1032,11 @@ public void sendPacket(Packet packet) {`
`1032`	`1032`	`this.g = this.f;`
`1033`	`1033`	`return;`
`1034`	`1034`	`}`
	`1035`	`+ } else if (packet instanceof Packet8UpdateHealth) {`
	`1036`	`+ Packet8UpdateHealth packet8 = (Packet8UpdateHealth) packet;`
	`1037`	`+ if (this.networkManager.pvn <= 7 && packet8.a < 0) {`
	`1038`	`+ packet8.a = 0;`
	`1039`	`+ }`
`1035`	`1040`	`}`
`1036`	`1041`
`1037`	`1042`	`// CraftBukkit start`