Paper/Spigot-Server-Patches/0288-Optimize-BlockPosition-helper-methods.patch
Spottedleaf 5c7081fecc Update upstream & fix some chunk related issues (#2177)
* Updated Upstream (Bukkit/CraftBukkit)

Upstream has released updates that appears to apply and compile correctly.
This update has not been tested by PaperMC and as with ANY update, please do your own testing

Bukkit Changes:
45690fe9 SPIGOT-5047: Correct slot types for 1.14 inventories

CraftBukkit Changes:
4090d01f SPIGOT-5047: Correct slot types for 1.14 inventories
e8c08362 SPIGOT-5046: World#getLoadedChunks returning inaccessible cached chunks.
d445af3b SPIGOT-5067: Add item meta for 1.14 spawn eggs

* Bring Chunk load checks in-line with spigot

As of the last upstream merge spigot now checks ticket level status
when returning loaded chunks for a world from api. Now our checks
will respect that decision.

* Fix spawn ticket levels

Vanilla would keep the inner chunks of spawn available for ticking,
however my changes made all chunks non-ticking. Resolve by changing
ticket levels for spawn chunks inside the border to respect this
behavior.


* Make World#getChunkIfLoadedImmediately return only entity ticking chunks

Mojang appears to be using chunks with level > 33 (non-ticking chunks)
as cached chunks and not actually loaded chunks.

* Bring all loaded checks in line with spigot

Loaded chunks must be at least border  chunks, or level <= 33
2019-06-14 03:27:40 +01:00

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Diff

From b2810864b445412544e0e5fec305411ee8973a14 Mon Sep 17 00:00:00 2001
From: Spottedleaf <Spottedleaf@users.noreply.github.com>
Date: Wed, 15 Aug 2018 12:05:12 -0700
Subject: [PATCH] Optimize BlockPosition helper methods
Resolves #1338
diff --git a/src/main/java/net/minecraft/server/BlockPosition.java b/src/main/java/net/minecraft/server/BlockPosition.java
index 93c3fa78f6..07b0cc7b12 100644
--- a/src/main/java/net/minecraft/server/BlockPosition.java
+++ b/src/main/java/net/minecraft/server/BlockPosition.java
@@ -134,55 +134,72 @@ public class BlockPosition extends BaseBlockPosition implements MinecraftSeriali
}
public BlockPosition up() {
- return this.up(1);
+ return new BlockPosition(this.getX(), this.getY() + 1, this.getZ()); // Paper - Optimize BlockPosition
}
public BlockPosition up(int i) {
- return this.shift(EnumDirection.UP, i);
+ return i == 0 ? this : new BlockPosition(this.getX(), this.getY() + i, this.getZ()); // Paper - Optimize BlockPosition
}
public BlockPosition down() {
- return this.down(1);
+ return new BlockPosition(this.getX(), this.getY() - 1, this.getZ()); // Paper - Optimize BlockPosition
}
public BlockPosition down(int i) {
- return this.shift(EnumDirection.DOWN, i);
+ return i == 0 ? this : new BlockPosition(this.getX(), this.getY() - i, this.getZ()); // Paper - Optimize BlockPosition
}
public BlockPosition north() {
- return this.north(1);
+ return new BlockPosition(this.getX(), this.getY(), this.getZ() - 1); // Paper - Optimize BlockPosition
}
public BlockPosition north(int i) {
- return this.shift(EnumDirection.NORTH, i);
+ return i == 0 ? this : new BlockPosition(this.getX(), this.getY(), this.getZ() - i); // Paper - Optimize BlockPosition
}
public BlockPosition south() {
- return this.south(1);
+ return new BlockPosition(this.getX(), this.getY(), this.getZ() + 1); // Paper - Optimize BlockPosition
}
public BlockPosition south(int i) {
- return this.shift(EnumDirection.SOUTH, i);
+ return i == 0 ? this : new BlockPosition(this.getX(), this.getY(), this.getZ() + i); // Paper - Optimize BlockPosition
}
public BlockPosition west() {
- return this.west(1);
+ return new BlockPosition(this.getX() - 1, this.getY(), this.getZ()); // Paper - Optimize BlockPosition
}
public BlockPosition west(int i) {
- return this.shift(EnumDirection.WEST, i);
+ return i == 0 ? this : new BlockPosition(this.getX() - i, this.getY(), this.getZ()); // Paper - Optimize BlockPosition
}
public BlockPosition east() {
- return this.east(1);
+ return new BlockPosition(this.getX() + 1, this.getY(), this.getZ()); // Paper - Optimize BlockPosition
}
public BlockPosition east(int i) {
- return this.shift(EnumDirection.EAST, i);
+ return i == 0 ? this : new BlockPosition(this.getX() + i, this.getY(), this.getZ()); // Paper - Optimize BlockPosition
}
public BlockPosition shift(EnumDirection enumdirection) {
- return this.shift(enumdirection, 1);
+ // Paper Start - Optimize BlockPosition
+ switch(enumdirection) {
+ case UP:
+ return new BlockPosition(this.getX(), this.getY() + 1, this.getZ());
+ case DOWN:
+ return new BlockPosition(this.getX(), this.getY() - 1, this.getZ());
+ case NORTH:
+ return new BlockPosition(this.getX(), this.getY(), this.getZ() - 1);
+ case SOUTH:
+ return new BlockPosition(this.getX(), this.getY(), this.getZ() + 1);
+ case WEST:
+ return new BlockPosition(this.getX() - 1, this.getY(), this.getZ());
+ case EAST:
+ return new BlockPosition(this.getX() + 1, this.getY(), this.getZ());
+ default:
+ return new BlockPosition(this.getX() + enumdirection.getAdjacentX(), this.getY() + enumdirection.getAdjacentY(), this.getZ() + enumdirection.getAdjacentZ());
+ }
+ // Paper End
}
public BlockPosition shift(EnumDirection enumdirection, int i) {
--
2.21.0