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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Nassim Jahnke <nassim@njahnke.dev>
Date: Fri, 4 Mar 2022 20:35:19 +0100
Subject: [PATCH] Fix falling block spawn methods

Restores the API behavior from previous versions of the server
- Do not call API events
- Do not replace the existing block in the world

== AT ==
public net.minecraft.world.entity.item.FallingBlockEntity <init>(Lnet/minecraft/world/level/Level;DDDLnet/minecraft/world/level/block/state/BlockState;)V

diff --git a/src/main/java/org/bukkit/craftbukkit/CraftRegionAccessor.java b/src/main/java/org/bukkit/craftbukkit/CraftRegionAccessor.java
index cc3a90a3337b7d59e4377a1e2448f17a23604e57..b69df51f2a1eec62792e193f64a1815ad6a87e1f 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftRegionAccessor.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftRegionAccessor.java
@@ -599,7 +599,7 @@ public abstract class CraftRegionAccessor implements RegionAccessor {
             // Paper end
         } else if (FallingBlock.class.isAssignableFrom(clazz)) {
             BlockPos pos = BlockPos.containing(x, y, z);
-            entity = FallingBlockEntity.fall(world, pos, this.getHandle().getBlockState(pos));
+            entity = new FallingBlockEntity(world, x, y, z, this.getHandle().getBlockState(pos)); // Paper
         } else if (Projectile.class.isAssignableFrom(clazz)) {
             if (Snowball.class.isAssignableFrom(clazz)) {
                 entity = new net.minecraft.world.entity.projectile.Snowball(world, x, y, z);
diff --git a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
index 1d50e5ace7035873523ca16d683b196732176ea5..9a0542c06ae30361ac6139bdf02d0464c8a53e7b 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
@@ -1392,7 +1392,12 @@ public class CraftWorld extends CraftRegionAccessor implements World {
         Validate.notNull(material, "Material cannot be null");
         Validate.isTrue(material.isBlock(), "Material must be a block");
 
-        FallingBlockEntity entity = FallingBlockEntity.fall(world, BlockPos.containing(location.getX(), location.getY(), location.getZ()), CraftMagicNumbers.getBlock(material).defaultBlockState(), SpawnReason.CUSTOM);
+        // Paper start - restore API behavior for spawning falling blocks
+        FallingBlockEntity entity = new FallingBlockEntity(this.world, location.getX(), location.getY(), location.getZ(), CraftMagicNumbers.getBlock(material).defaultBlockState()); // Paper
+        entity.time = 1;
+
+        this.world.addFreshEntity(entity, SpawnReason.CUSTOM);
+        // Paper end
         return (FallingBlock) entity.getBukkitEntity();
     }
 
@@ -1401,7 +1406,12 @@ public class CraftWorld extends CraftRegionAccessor implements World {
         Validate.notNull(location, "Location cannot be null");
         Validate.notNull(data, "BlockData cannot be null");
 
-        FallingBlockEntity entity = FallingBlockEntity.fall(world, BlockPos.containing(location.getX(), location.getY(), location.getZ()), ((CraftBlockData) data).getState(), SpawnReason.CUSTOM);
+        // Paper start - restore API behavior for spawning falling blocks
+        FallingBlockEntity entity = new FallingBlockEntity(this.world, location.getX(), location.getY(), location.getZ(), ((CraftBlockData) data).getState());
+        entity.time = 1;
+
+        this.world.addFreshEntity(entity, SpawnReason.CUSTOM);
+        // Paper end
         return (FallingBlock) entity.getBukkitEntity();
     }