Call BlockRedstoneEvents for lecterns (#9721)

patches/server/1032-Call-BlockRedstoneEvents-for-lecterns.patch

@@ -0,0 +1,27 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Warrior <50800980+Warriorrrr@users.noreply.github.com>
+Date: Wed, 13 Sep 2023 05:46:10 +0200
+Subject: [PATCH] Call BlockRedstoneEvents for lecterns
+
+
+diff --git a/src/main/java/net/minecraft/world/level/block/LecternBlock.java b/src/main/java/net/minecraft/world/level/block/LecternBlock.java
+index d8489fc7bbc57aa2a53026c79d2e2b2718b32912..2da67bd990b3f3762dfe089bf543cebac66378db 100644
+--- a/src/main/java/net/minecraft/world/level/block/LecternBlock.java
++++ b/src/main/java/net/minecraft/world/level/block/LecternBlock.java
+@@ -171,6 +171,16 @@ public class LecternBlock extends BaseEntityBlock {
+     }
+ 
+     private static void changePowered(Level world, BlockPos pos, BlockState state, boolean powered) {
++        // Paper start - call BlockRedstoneEvents for lecterns
++        final int currentRedstoneLevel = state.getValue(LecternBlock.POWERED) ? 15 : 0, targetRedstoneLevel = powered ? 15 : 0;
++        if (currentRedstoneLevel != targetRedstoneLevel) {
++            final org.bukkit.event.block.BlockRedstoneEvent event = org.bukkit.craftbukkit.event.CraftEventFactory.callRedstoneChange(world, pos, currentRedstoneLevel, targetRedstoneLevel);
++
++            if (event.getNewCurrent() != targetRedstoneLevel) {
++                return;
++            }
++        }
++        // Paper end
+         world.setBlock(pos, (BlockState) state.setValue(LecternBlock.POWERED, powered), 3);
+         LecternBlock.updateBelow(world, pos, state);
+     }