Several fixes and new api for experience merging/stacking (#9242)

1 files changed, 27 insertions, 0 deletions

diff --git a/patches/server/0901-Call-BlockRedstoneEvents-for-lecterns.patch b/patches/server/0901-Call-BlockRedstoneEvents-for-lecterns.patch
new file mode 100644
index 0000000000..bafd87afad
--- /dev/null
+++ b/patches/server/0901-Call-BlockRedstoneEvents-for-lecterns.patch
@@ -0,0 +1,27 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Warrior <[email protected]>
+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 e2d411fe3f8b00c18c2cfb8d11cd9b46e461fb1a..203f4dd2255cffdab468fe1ec869ce9b989cace1 100644
+--- a/src/main/java/net/minecraft/world/level/block/LecternBlock.java
++++ b/src/main/java/net/minecraft/world/level/block/LecternBlock.java
+@@ -178,6 +178,16 @@ 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 - call BlockRedstoneEvents for lecterns
+         world.setBlock(pos, (BlockState) state.setValue(LecternBlock.POWERED, powered), 3);
+         LecternBlock.updateBelow(world, pos, state);
+     }