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 89472b6e8f38921db50440d0213e40ac893892f1..e1f9a12c7fb4818a785b9a4819f94fccde02b6a2 100644
--- a/src/main/java/net/minecraft/server/level/ServerLevel.java
+++ b/src/main/java/net/minecraft/server/level/ServerLevel.java
@@ -191,7 +191,7 @@ public class ServerLevel extends net.minecraft.world.level.Level implements Worl
     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 94e268a05b4601c29b6d2845f0fc2311643a161f..799721ac63f0c08dd03a788b87eafa9a8cc976cc 100644
--- a/src/main/java/net/minecraft/world/level/Level.java
+++ b/src/main/java/net/minecraft/world/level/Level.java
@@ -297,11 +297,27 @@ 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().isInBounds(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().isInBounds(blockposition) ? getTypeIfLoaded(blockposition) : null;
+    }
     // Paper end
 
     @Override
diff --git a/src/main/java/net/minecraft/world/level/border/WorldBorder.java b/src/main/java/net/minecraft/world/level/border/WorldBorder.java
index 31f17956b3b031d1a47bda4d282554c8a7853097..0846f649dca3422dbab3bb0a4826e27430cc8186 100644
--- a/src/main/java/net/minecraft/world/level/border/WorldBorder.java
+++ b/src/main/java/net/minecraft/world/level/border/WorldBorder.java
@@ -31,6 +31,7 @@ public class WorldBorder {
 
     public WorldBorder() {}
 
+    public final boolean isInBounds(BlockPos blockposition) { return this.isWithinBounds(blockposition); } // Paper - OBFHELPER
     public boolean isWithinBounds(BlockPos pos) {
         return (double) (pos.getX() + 1) > this.getMinX() && (double) pos.getX() < this.getMaxX() && (double) (pos.getZ() + 1) > this.getMinZ() && (double) pos.getZ() < this.getMaxZ();
     }