--- a/net/minecraft/world/level/block/TripWireHookBlock.java
+++ b/net/minecraft/world/level/block/TripWireHookBlock.java
@@ -127,10 +_,10 @@
         if (optionalValue.isPresent()) {
             Direction direction = optionalValue.get();
             boolean flag = hookState.getOptionalValue(ATTACHED).orElse(false);
-            boolean flag1 = hookState.getOptionalValue(POWERED).orElse(false);
+            boolean flag1 = hookState.getOptionalValue(POWERED).orElse(false); // Paper - diff on change, for event below
             Block block = hookState.getBlock();
             boolean flag2 = !attaching;
-            boolean flag3 = false;
+            boolean flag3 = false; // Paper - diff on change, for event below
             int i = 0;
             BlockState[] blockStates = new BlockState[42];
 
@@ -166,21 +_,48 @@
             flag2 &= i > 1;
             flag3 &= flag2;
             BlockState blockState1 = block.defaultBlockState().trySetValue(ATTACHED, Boolean.valueOf(flag2)).trySetValue(POWERED, Boolean.valueOf(flag3));
+            boolean cancelledEmitterHook = false, cancelledReceiverHook = false; // Paper - Call BlockRedstoneEvent
+            boolean wasPowered = flag1, willBePowered = flag3; // Paper - OBFHELPER
             if (i > 0) {
                 BlockPos blockPosx = pos.relative(direction, i);
+                // Paper start - Call BlockRedstoneEvent
+                if (wasPowered != willBePowered) {
+                    int newCurrent = willBePowered ? 15 : 0;
+                    org.bukkit.event.block.BlockRedstoneEvent event = new org.bukkit.event.block.BlockRedstoneEvent(
+                        org.bukkit.craftbukkit.block.CraftBlock.at(level, blockPosx), wasPowered ? 15 : 0, newCurrent
+                    );
+                    event.callEvent();
+                    cancelledReceiverHook = event.getNewCurrent() != newCurrent;
+                }
+                if (!cancelledReceiverHook) { // always trigger two events even when the first hook current change is cancelled
+                // Paper end - Call BlockRedstoneEvent
                 Direction opposite = direction.getOpposite();
                 level.setBlock(blockPosx, blockState1.setValue(FACING, opposite), 3);
                 notifyNeighbors(block, level, blockPosx, opposite);
                 emitState(level, blockPosx, flag2, flag3, flag, flag1);
-            }
+                } // Paper - Call BlockRedstoneEvent
+            }
+            // Paper start - Call BlockRedstoneEvent
+            if (wasPowered != willBePowered) {
+                int newCurrent = willBePowered ? 15 : 0;
+                org.bukkit.event.block.BlockRedstoneEvent event = new org.bukkit.event.block.BlockRedstoneEvent(
+                    org.bukkit.craftbukkit.block.CraftBlock.at(level, pos), wasPowered ? 15 : 0, newCurrent
+                );
+                event.callEvent();
+                cancelledEmitterHook = event.getNewCurrent() != newCurrent;
+            }
+            // Paper end - Call BlockRedstoneEvent
 
+            if (!cancelledEmitterHook) { // Paper - Call BlockRedstoneEvent
             emitState(level, pos, flag2, flag3, flag, flag1);
             if (!attaching) {
+                if (io.papermc.paper.configuration.GlobalConfiguration.get().unsupportedSettings.skipTripwireHookPlacementValidation || level.getBlockState(pos).is(Blocks.TRIPWIRE_HOOK)) // Paper - Validate tripwire hook placement before update
                 level.setBlock(pos, blockState1.setValue(FACING, direction), 3);
                 if (shouldNotifyNeighbours) {
                     notifyNeighbors(block, level, pos, direction);
                 }
             }
+            } // Paper - Call BlockRedstoneEvent
 
             if (flag != flag2) {
                 for (int i2 = 1; i2 < i; i2++) {
@@ -189,7 +_,7 @@
                     if (blockState2 != null) {
                         BlockState blockState3 = level.getBlockState(blockPos1);
                         if (blockState3.is(Blocks.TRIPWIRE) || blockState3.is(Blocks.TRIPWIRE_HOOK)) {
-                            level.setBlock(blockPos1, blockState2.trySetValue(ATTACHED, Boolean.valueOf(flag2)), 3);
+                            if (!io.papermc.paper.configuration.GlobalConfiguration.get().blockUpdates.disableTripwireUpdates || !blockState3.is(Blocks.TRIPWIRE)) level.setBlock(blockPos1, blockState2.trySetValue(ATTACHED, Boolean.valueOf(flag2)), 3); // Paper - prevent tripwire from updating
                         }
                     }
                 }
