PaperMC/Spigot-Server-Patches/0331-Optimize-BlockPosition-helper-methods.patch

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From fe94333525c84f0e38966d2c3d99317d7cf4bd2b 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 9ce3cd9c9d..adf648dfd5 100644
--- a/src/main/java/net/minecraft/server/BlockPosition.java
+++ b/src/main/java/net/minecraft/server/BlockPosition.java
@@ -58,59 +58,96 @@ public class BlockPosition extends BaseBlockPosition {
}
public BlockPosition up() {
- return this.up(1);
+ return new BlockPosition(this.getX(), this.getY() + 1, this.getZ()); // Paper - Optimize BlockPosition
}
public BlockPosition up(int ix) {
- return this.shift(EnumDirection.UP, ix);
+ return ix == 0 ? this : new BlockPosition(this.getX(), this.getY() + ix, 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 ix) {
- return this.shift(EnumDirection.DOWN, ix);
+ return ix == 0 ? this : new BlockPosition(this.getX(), this.getY() - ix, 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 ix) {
- return this.shift(EnumDirection.NORTH, ix);
+ return ix == 0 ? this : new BlockPosition(this.getX(), this.getY(), this.getZ() - ix); // 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 ix) {
- return this.shift(EnumDirection.SOUTH, ix);
+ return ix == 0 ? this : new BlockPosition(this.getX(), this.getY(), this.getZ() + ix); // 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 ix) {
- return this.shift(EnumDirection.WEST, ix);
+ return ix == 0 ? this : new BlockPosition(this.getX() - ix, 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 ix) {
- return this.shift(EnumDirection.EAST, ix);
+ return ix == 0 ? this : new BlockPosition(this.getX() + ix, 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 ix) {
- return ix == 0 ? this : new BlockPosition(this.getX() + enumdirection.getAdjacentX() * ix, this.getY() + enumdirection.getAdjacentY() * ix, this.getZ() + enumdirection.getAdjacentZ() * ix);
+ // Paper Start - Optimize BlockPosition
+ if (ix == 0) {
+ return this;
+ }
+ switch(enumdirection) {
+ case UP:
+ return new BlockPosition(this.getX(), this.getY() + ix, this.getZ());
+ case DOWN:
+ return new BlockPosition(this.getX(), this.getY() - ix, this.getZ());
+ case NORTH:
+ return new BlockPosition(this.getX(), this.getY(), this.getZ() - ix);
+ case SOUTH:
+ return new BlockPosition(this.getX(), this.getY(), this.getZ() + ix);
+ case WEST:
+ return new BlockPosition(this.getX() - ix, this.getY(), this.getZ());
+ case EAST:
+ return new BlockPosition(this.getX() + ix, this.getY(), this.getZ());
+ default:
+ return new BlockPosition(this.getX() + enumdirection.getAdjacentX() * ix, this.getY() + enumdirection.getAdjacentY() * ix, this.getZ() + enumdirection.getAdjacentZ() * ix);
+ }
+ // Paper End
}
public BlockPosition a(EnumBlockRotation enumblockrotation) {
--
2.19.0