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 c9ee1a12b6fe92db6896cd4abd7e7833b094c9da..41dab560595a6d052c82b4474d824a584756371a 100644
--- a/src/main/java/net/minecraft/server/level/ServerLevel.java
+++ b/src/main/java/net/minecraft/server/level/ServerLevel.java
@@ -199,7 +199,7 @@ 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 a5cf87f9ef0756e9940cdaef7811aa106194aaa5..ef6289d67f54d81497edc0d7e4f3789d5bcb28f9 100644
--- a/src/main/java/net/minecraft/world/level/Level.java
+++ b/src/main/java/net/minecraft/world/level/Level.java
@@ -310,11 +310,27 @@ public abstract class Level implements LevelAccessor, AutoCloseable {
     }
 
     @Override
-    public FluidState getFluidIfLoaded(BlockPos blockposition) {
+    public final FluidState getFluidIfLoaded(BlockPos blockposition) {
         ChunkAccess chunk = this.getChunkIfLoadedImmediately(blockposition.getX() >> 4, blockposition.getZ() >> 4);
 
         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 LevelChunk getChunkIfLoaded(int x, int z) { // Overridden in WorldServer for ABI compat which has final
+        return ((ServerLevel) this).getChunkSource().getChunkAtIfLoadedImmediately(x, z);
+    }
+    public final LevelChunk getChunkIfLoaded(BlockPos blockposition) {
+        return ((ServerLevel) this).getChunkSource().getChunkAtIfLoadedImmediately(blockposition.getX() >> 4, blockposition.getZ() >> 4);
+    }
+
+    //  reduces need to do isLoaded before getType
+    public final BlockState getTypeIfLoadedAndInBounds(BlockPos blockposition) {
+        return getWorldBorder().isWithinBounds(blockposition) ? getTypeIfLoaded(blockposition) : null;
+    }
     // Paper end
 
     @Override