Paper/patches/server/0064-Add-World-Util-Methods.patch

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 b0ecf3c491e802aa292a0a8b7be37362c38ce084..6aab4ba5da83f523632a0a39d45a0bcb2405f0cc 100644
--- a/src/main/java/net/minecraft/server/level/ServerLevel.java
+++ b/src/main/java/net/minecraft/server/level/ServerLevel.java
@@ -202,7 +202,7 @@ 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 a6b1572a82fd22eea5b3d4124c510d94fea5917d..aee97243cc3e73f9e07ba8ed5d6dbe8c73ba016e 100644
--- a/src/main/java/net/minecraft/world/level/Level.java
+++ b/src/main/java/net/minecraft/world/level/Level.java
@@ -309,11 +309,27 @@ 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 72087476c65b69c86af67424a15708c463d69a43..02b10be4878b871742efb0f65980d9672f32b388 100644
--- a/src/main/java/net/minecraft/world/level/border/WorldBorder.java
+++ b/src/main/java/net/minecraft/world/level/border/WorldBorder.java
@@ -32,6 +32,7 @@ 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();
     }