From ea1bfad17c65ad9814c9ae8f65aa6aa5468c1cb6 Mon Sep 17 00:00:00 2001
From: Mgazul <mgazul@163.com>
Date: Sun, 26 Nov 2023 21:43:55 +0800
Subject: [PATCH] Fixed #2826

---
 .../net/minecraft/world/World.java.patch        | 17 ++++++++++++++++-
 .../world/server/ServerWorld.java.patch         |  6 ++++--
 2 files changed, 20 insertions(+), 3 deletions(-)

diff --git a/patches/minecraft/net/minecraft/world/World.java.patch b/patches/minecraft/net/minecraft/world/World.java.patch
index c57ccd5f2e..bc92b232cb 100644
--- a/patches/minecraft/net/minecraft/world/World.java.patch
+++ b/patches/minecraft/net/minecraft/world/World.java.patch
@@ -1,6 +1,6 @@
 --- a/net/minecraft/world/World.java
 +++ b/net/minecraft/world/World.java
-@@ -1,11 +_,15 @@
+@@ -1,12 +_,17 @@
  package net.minecraft.world;
  
  import com.google.common.collect.Lists;
@@ -14,8 +14,10 @@
  import java.util.List;
 +import java.util.Map;
  import java.util.Random;
++import java.util.concurrent.atomic.AtomicBoolean;
  import java.util.function.Consumer;
  import java.util.function.Predicate;
+ import java.util.function.Supplier;
 @@ -20,6 +_,7 @@
  import net.minecraft.crash.ReportedException;
  import net.minecraft.entity.Entity;
@@ -303,6 +305,19 @@
              Block.func_220054_a(blockstate, this, p_241212_1_, tileentity, p_241212_3_, ItemStack.field_190927_a);
           }
  
+@@ -249,7 +_,12 @@
+       }
+    }
+ 
++   // Mohist start
++   public AtomicBoolean callEvent = new AtomicBoolean(false);
++   public BlockState mohist$defaultBlockState;
+    public boolean func_175656_a(BlockPos p_175656_1_, BlockState p_175656_2_) {
++      mohist$defaultBlockState = p_175656_2_;
++      if (callEvent.getAndSet(false)) return false;
+       return this.func_180501_a(p_175656_1_, p_175656_2_, 3);
+    }
+ 
 @@ -259,6 +_,8 @@
     }
  
diff --git a/patches/minecraft/net/minecraft/world/server/ServerWorld.java.patch b/patches/minecraft/net/minecraft/world/server/ServerWorld.java.patch
index ae0d4f7268..5735e67f2c 100644
--- a/patches/minecraft/net/minecraft/world/server/ServerWorld.java.patch
+++ b/patches/minecraft/net/minecraft/world/server/ServerWorld.java.patch
@@ -397,7 +397,7 @@
           }
        }
  
-@@ -475,12 +_,13 @@
+@@ -475,12 +_,15 @@
           BlockPos blockpos2 = this.func_205770_a(Heightmap.Type.MOTION_BLOCKING, this.func_217383_a(i, 0, j, 15));
           BlockPos blockpos3 = blockpos2.func_177977_b();
           Biome biome = this.func_226691_t_(blockpos2);
@@ -406,7 +406,9 @@
 -         }
 +         if (this.isAreaLoaded(blockpos2, 1)) // Forge: check area to avoid loading neighbors in unloaded chunks
 +            if (biome.func_201848_a(this, blockpos3)) {
-+               org.bukkit.craftbukkit.v1_16_R3.event.CraftEventFactory.handleBlockFormEvent(this, blockpos3, Blocks.field_150432_aD.func_176223_P(), null); // CraftBukkit
++               this.callEvent.set(true);
++               this.func_175656_a(blockpos3, Blocks.field_150432_aD.func_176223_P());
++               org.bukkit.craftbukkit.v1_16_R3.event.CraftEventFactory.handleBlockFormEvent(this, blockpos3, this.mohist$defaultBlockState, null); // CraftBukkit // Mohist
 +            }
  
           if (flag && biome.func_201850_b(this, blockpos2)) {