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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Fri, 18 Mar 2016 20:16:03 -0400
Subject: [PATCH] Add World Util Methods

Methods that can be used for other patches to help improve logic.

diff --git a/src/main/java/net/minecraft/server/level/ServerLevel.java b/src/main/java/net/minecraft/server/level/ServerLevel.java
index e235531d694e3e904042f2d42641c1ffbecfd5a3..d935fbdbee8b20f0efa09438b7d4c4a0da93abcc 100644
--- a/src/main/java/net/minecraft/server/level/ServerLevel.java
+++ b/src/main/java/net/minecraft/server/level/ServerLevel.java
@@ -216,7 +216,7 @@ public class ServerLevel extends Level implements WorldGenLevel {
     public final LevelStorageSource.LevelStorageAccess convertable;
     public final UUID uuid;
 
-    public LevelChunk getChunkIfLoaded(int x, int z) {
+    @Override public LevelChunk getChunkIfLoaded(int x, int z) { // Paper - this was added in world too but keeping here for NMS ABI
         return this.chunkSource.getChunk(x, z, false);
     }
 
diff --git a/src/main/java/net/minecraft/world/level/Level.java b/src/main/java/net/minecraft/world/level/Level.java
index 65fd3a3c1f0a55d034e6f91c4f222e6454e7166c..62c54a0c789ca460ec29b0c653f5abd113736fb9 100644
--- a/src/main/java/net/minecraft/world/level/Level.java
+++ b/src/main/java/net/minecraft/world/level/Level.java
@@ -333,6 +333,22 @@ public abstract class Level implements LevelAccessor, AutoCloseable {
         return chunk == null ? null : chunk.getFluidState(blockposition);
     }
 
+    public final boolean isLoadedAndInBounds(BlockPos blockposition) { // Paper - final for inline
+        return getWorldBorder().isWithinBounds(blockposition) && getChunkIfLoadedImmediately(blockposition.getX() >> 4, blockposition.getZ() >> 4) != null;
+    }
+
+    public @Nullable LevelChunk getChunkIfLoaded(int x, int z) { // Overridden in WorldServer for ABI compat which has final
+        return ((ServerLevel) this).getChunkSource().getChunkAtIfLoadedImmediately(x, z);
+    }
+    public final @Nullable LevelChunk getChunkIfLoaded(BlockPos blockposition) {
+        return ((ServerLevel) this).getChunkSource().getChunkAtIfLoadedImmediately(blockposition.getX() >> 4, blockposition.getZ() >> 4);
+    }
+
+    //  reduces need to do isLoaded before getType
+    public final @Nullable BlockState getBlockStateIfLoadedAndInBounds(BlockPos blockposition) {
+        return getWorldBorder().isWithinBounds(blockposition) ? getBlockStateIfLoaded(blockposition) : null;
+    }
+
     @Override
     public final ChunkAccess getChunk(int chunkX, int chunkZ, ChunkStatus leastStatus, boolean create) { // Paper - final for inline
         // Paper end