Fix tripwire state inconsistency

Author: kennytv

patches/server/0833-Fix-tripwire-state-inconsistency.patch

@@ -0,0 +1,45 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Nassim Jahnke <jahnke.nassim@gmail.com>
+Date: Sun, 19 Dec 2021 21:11:20 +0100
+Subject: [PATCH] Fix tripwire state inconsistency
+
+
+diff --git a/src/main/java/net/minecraft/world/level/block/TripWireBlock.java b/src/main/java/net/minecraft/world/level/block/TripWireBlock.java
+index 6b40bf94fbaa18605b59b92ad1582e8dc3a6a9cd..335129abd06086d128f803bb488672b35f357389 100644
+--- a/src/main/java/net/minecraft/world/level/block/TripWireBlock.java
++++ b/src/main/java/net/minecraft/world/level/block/TripWireBlock.java
+@@ -74,7 +74,7 @@ public class TripWireBlock extends Block {
+     @Override
+     public void onRemove(BlockState state, Level world, BlockPos pos, BlockState newState, boolean moved) {
+         if (!moved && !state.is(newState.getBlock())) {
+-            this.updateSource(world, pos, (BlockState) state.setValue(TripWireBlock.POWERED, true));
++            this.updateSource(world, pos, (BlockState) state.setValue(TripWireBlock.POWERED, true), true); // Paper - fix state inconsistency
+         }
+     }
+ 
+@@ -89,6 +89,12 @@ public class TripWireBlock extends Block {
+     }
+ 
+     private void updateSource(Level world, BlockPos pos, BlockState state) {
++        // Paper start - fix state inconsistency
++        this.updateSource(world, pos, state, false);
++    }
++
++    private void updateSource(Level world, BlockPos pos, BlockState state, boolean beingRemoved) {
++        // Paper end
+         Direction[] aenumdirection = new Direction[]{Direction.SOUTH, Direction.WEST};
+         int i = aenumdirection.length;
+         int j = 0;
+@@ -104,7 +110,11 @@ public class TripWireBlock extends Block {
+ 
+                     if (iblockdata1.is((Block) this.hook)) {
+                         if (iblockdata1.getValue(TripWireHookBlock.FACING) == enumdirection.getOpposite()) {
+-                            this.hook.calculateState(world, blockposition1, iblockdata1, false, true, k, state);
++                            // Paper - fix state inconsistency
++                            final int distance = beingRemoved ? -1 : k;
++                            final BlockState self = beingRemoved ? null : state;
++                            this.hook.calculateState(world, blockposition1, iblockdata1, false, true, distance, self);
++                            // Paper end
+                         }
+                     } else if (iblockdata1.is((Block) this)) {
+                         ++k;