From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: dfsek <dfsek@protonmail.com>
Date: Sat, 19 Jun 2021 20:15:59 -0700
Subject: [PATCH] Add more LimitedRegion API


diff --git a/src/main/java/org/bukkit/craftbukkit/generator/CraftLimitedRegion.java b/src/main/java/org/bukkit/craftbukkit/generator/CraftLimitedRegion.java
index bc606693566419c143d19284b110961602c2810b..23ffe4b8a19286543e12bf7408879e6d1305a78f 100644
--- a/src/main/java/org/bukkit/craftbukkit/generator/CraftLimitedRegion.java
+++ b/src/main/java/org/bukkit/craftbukkit/generator/CraftLimitedRegion.java
@@ -249,4 +249,45 @@ public class CraftLimitedRegion extends CraftRegionAccessor implements LimitedRe
     public void addEntityToWorld(net.minecraft.world.entity.Entity entity, CreatureSpawnEvent.SpawnReason reason) {
         this.entities.add(entity);
     }
+
+    // Paper start
+    @Override
+    public void setBlockState(int x, int y, int z, BlockState state) {
+        BlockPos pos = new BlockPos(x, y, z);
+        if (!state.getBlockData().matches(getHandle().getBlockState(pos).createCraftBlockData())) {
+            throw new IllegalArgumentException("BlockData does not match! Expected " + state.getBlockData().getAsString(false) + ", got " + getHandle().getBlockState(pos).createCraftBlockData().getAsString(false));
+        }
+        getHandle().getBlockEntity(pos).load(((org.bukkit.craftbukkit.block.CraftBlockEntityState<?>) state).getSnapshotNBT());
+    }
+
+    @Override
+    public void scheduleBlockUpdate(int x, int y, int z) {
+        BlockPos position = new BlockPos(x, y, z);
+        getHandle().scheduleTick(position, getHandle().getBlockState(position).getBlock(), 0);
+    }
+
+    @Override
+    public void scheduleFluidUpdate(int x, int y, int z) {
+        BlockPos position = new BlockPos(x, y, z);
+        getHandle().scheduleTick(position, getHandle().getFluidState(position).getType(), 0);
+    }
+
+    @Override
+    public World getWorld() {
+        // reading/writing the returned Minecraft world causes a deadlock.
+        // By implementing this, and covering it in warnings, we're assuming people won't be stupid, and
+        // if they are stupid, they'll figure it out pretty fast.
+        return getHandle().getMinecraftWorld().getWorld();
+    }
+
+    @Override
+    public int getCenterChunkX() {
+        return centerChunkX;
+    }
+
+    @Override
+    public int getCenterChunkZ() {
+        return centerChunkZ;
+    }
+    // Paper end
 }