From 732889ad8d64215473e3bc6cf05187150ebdfa92 Mon Sep 17 00:00:00 2001
From: Mgazul <mgazul@163.com>
Date: Thu, 31 Oct 2024 02:55:26 +0800
Subject: [PATCH] Fixed #340

---
 .../world/level/block/MixinDoorBlock.java     | 39 +++++++++++++------
 1 file changed, 27 insertions(+), 12 deletions(-)

diff --git a/modules/banner-server/src/main/java/com/mohistmc/banner/mixin/world/level/block/MixinDoorBlock.java b/modules/banner-server/src/main/java/com/mohistmc/banner/mixin/world/level/block/MixinDoorBlock.java
index 3427b1109..a4e5a0768 100644
--- a/modules/banner-server/src/main/java/com/mohistmc/banner/mixin/world/level/block/MixinDoorBlock.java
+++ b/modules/banner-server/src/main/java/com/mohistmc/banner/mixin/world/level/block/MixinDoorBlock.java
@@ -1,5 +1,6 @@
 package com.mohistmc.banner.mixin.world.level.block;
 
+import java.util.concurrent.atomic.AtomicInteger;
 import net.minecraft.core.BlockPos;
 import net.minecraft.core.Direction;
 import net.minecraft.world.entity.Entity;
@@ -11,6 +12,7 @@
 import net.minecraft.world.level.block.state.properties.DoubleBlockHalf;
 import net.minecraft.world.level.block.state.properties.EnumProperty;
 import net.minecraft.world.level.gameevent.GameEvent;
+import org.bukkit.Bukkit;
 import org.bukkit.World;
 import org.bukkit.event.block.BlockRedstoneEvent;
 import org.jetbrains.annotations.Nullable;
@@ -18,6 +20,7 @@
 import org.spongepowered.asm.mixin.Mixin;
 import org.spongepowered.asm.mixin.Overwrite;
 import org.spongepowered.asm.mixin.Shadow;
+import org.spongepowered.asm.mixin.Unique;
 
 @Mixin(DoorBlock.class)
 public abstract class MixinDoorBlock extends Block{
@@ -34,6 +37,15 @@ public MixinDoorBlock(Properties properties) {
         super(properties);
     }
 
+    @Unique
+    private final AtomicInteger banner$power = new AtomicInteger();
+    @Unique
+    private final AtomicInteger banner$oldPower = new AtomicInteger();
+    @Unique
+    private org.bukkit.block.Block bukkitBlock;
+    @Unique
+    private BlockRedstoneEvent eventRedstone;
+
     /**
      * @author wdog5
      * @reason
@@ -41,19 +53,22 @@ public MixinDoorBlock(Properties properties) {
     @Overwrite
     public void neighborChanged(BlockState state, Level level, BlockPos pos, Block block, BlockPos fromPos, boolean isMoving) {
         // CraftBukkit start
-        BlockPos otherHalf = pos.relative(state.getValue(HALF) == DoubleBlockHalf.LOWER ? Direction.UP : Direction.DOWN);
-        World bworld = level.getWorld();
-        org.bukkit.block.Block bukkitBlock = bworld.getBlockAt(pos.getX(), pos.getY(), pos.getZ());
-        org.bukkit.block.Block blockTop = bworld.getBlockAt(otherHalf.getX(), otherHalf.getY(), otherHalf.getZ());
-
-        int power = bukkitBlock.getBlockPower();
-        int powerTop = blockTop.getBlockPower();
-        if (powerTop > power) power = powerTop;
-        int oldPower = (Boolean) state.getValue(POWERED) ? 15 : 0;
+        {
+            BlockPos otherHalf = pos.relative(state.getValue(HALF) == DoubleBlockHalf.LOWER ? Direction.UP : Direction.DOWN);
+            World bworld = level.getWorld();
+            bukkitBlock = bworld.getBlockAt(pos.getX(), pos.getY(), pos.getZ());
+            org.bukkit.block.Block blockTop = bworld.getBlockAt(otherHalf.getX(), otherHalf.getY(), otherHalf.getZ());
 
-        if (oldPower == 0 ^ power == 0) {
-            BlockRedstoneEvent eventRedstone = new BlockRedstoneEvent(bukkitBlock, oldPower, power);
-            level.getCraftServer().getPluginManager().callEvent(eventRedstone);
+            int power = bukkitBlock.getBlockPower();
+            int powerTop = blockTop.getBlockPower();
+            if (powerTop > power) power = powerTop;
+            banner$power.set(power);
+            int oldPower = (Boolean) state.getValue(POWERED) ? 15 : 0;
+            banner$oldPower.set(oldPower);
+        }
+        if (banner$oldPower.get() == 0 ^ banner$power.get() == 0) {
+            eventRedstone = new BlockRedstoneEvent(bukkitBlock, banner$oldPower.get(), banner$power.get());
+            Bukkit.getPluginManager().callEvent(eventRedstone);
             boolean bl = eventRedstone.getNewCurrent() > 0;
             if (bl != (Boolean) state.getValue(OPEN)) {
                 this.playSound((Entity) null, level, pos, bl);