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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Andrew Steinborn <git@steinborn.me>
Date: Mon, 18 Jan 2021 20:45:25 -0500
Subject: [PATCH] Inline shift direction fields
Removes a layer of indirection for EnumDirection.getAdjacent(X|Y|Z)(), which is in the
critical section for much of the server, including the lighting engine.
diff --git a/src/main/java/net/minecraft/core/Direction.java b/src/main/java/net/minecraft/core/Direction.java
index b92377f109c6bc0d497a20b1f92185cb29b57443..6d883db5c04cbcf454952c0f361029ecbfe4f037 100644
--- a/src/main/java/net/minecraft/core/Direction.java
+++ b/src/main/java/net/minecraft/core/Direction.java
@@ -64,6 +64,11 @@ public enum Direction implements StringRepresentable {
}, (direction1, direction2) -> {
throw new IllegalArgumentException("Duplicate keys");
}, Long2ObjectOpenHashMap::new));
+ // Paper start
+ private final int adjX;
+ private final int adjY;
+ private final int adjZ;
+ // Paper end
private Direction(int id, int idOpposite, int idHorizontal, String name, Direction.AxisDirection direction, Direction.Axis axis, Vec3i vector) {
this.data3d = id;
@@ -73,6 +78,11 @@ public enum Direction implements StringRepresentable {
this.axis = axis;
this.axisDirection = direction;
this.normal = vector;
+ // Paper start
+ this.adjX = vector.getX();
+ this.adjY = vector.getY();
+ this.adjZ = vector.getZ();
+ // Paper end
}
public static Direction[] orderedByNearest(Entity entity) {
@@ -357,15 +367,15 @@ public enum Direction implements StringRepresentable {
}
public int getStepX() {
- return this.normal.getX();
+ return this.adjX; // Paper
}
public int getStepY() {
- return this.normal.getY();
+ return this.adjY; // Paper
}
public int getStepZ() {
- return this.normal.getZ();
+ return this.adjZ; // Paper
}
public Vector3f step() {
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