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Upstream has released updates that appear 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: cc9aa21a SPIGOT-6399, SPIGOT-7344: Clarify collidable behavior for player entities f23325b6 Add API for per-world simulation distances 26e1774e Add API for per-world view distances 0b541e60 Add PlayerLoginEvent#getRealAddress 5f027d2d PR-949: Add Vector#fromJOML() overloads for read-only vector types CraftBukkit Changes: bcf56171a PR-1321: Clean up some stuff which got missed during previous PRs 7f833a2d1 SPIGOT-7462: Players no longer drop XP after dying near a Sculk Catalyst 752aac669 Implement APIs for per world view and simulation distances 57d7ef433 Preserve empty enchantment tags for glow effect 465ec3fb4 Remove connected check on setScoreboard f90ce621e Use one PermissibleBase for all command blocks 5876cca44 SPIGOT-7550: Fix creation of Arrow instances f03fc3aa3 SPIGOT-7549: ServerTickManager#setTickRate incorrect Precondition 9d7f49b01 SPIGOT-7548: Fix wrong spawn location for experience orb and dropped item Spigot Changes: ed9ba9a4 Drop no longer required patch ignoring -o option 86b5dd6a SPIGOT-7546: Fix hardcoded check for outdated client message aa7cde7a Remove obsolete APIs for per world view and simulation distances 6dff577e Remove obsolete patch preserving empty `ench` tags a3bf95b8 Remove obsolete PlayerLoginEvent#getRealAddress 1b02f5d6 Remove obsolete connected check on setScoreboard patch acf717eb Remove obsolete command block PermissibleBase patch 053fa2a9 Remove redundant patch dealing with null tile entities
39 lines
2.2 KiB
Diff
39 lines
2.2 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Martijn Muijsers <martijnmuijsers@live.nl>
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Date: Mon, 21 Aug 2023 21:05:09 +0200
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Subject: [PATCH] Optimize nearest structure border iteration
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Getting the nearest generated structure contains a nested set of loops that
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iterates over all chunks at a specific chessboard distance. It does this by
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iterating over the entire square of chunks within that distance, and checking
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if the coordinates are at exactly the right distance to be on the border.
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This patch optimizes the iteration by only iterating over the border chunks.
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This evaluated chunks are the same, and in the same order, as before, to
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ensure that the returned found structure (which may for example be a buried
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treasure that will be marked on a treasure map) is the same as in vanilla.
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diff --git a/src/main/java/net/minecraft/world/level/chunk/ChunkGenerator.java b/src/main/java/net/minecraft/world/level/chunk/ChunkGenerator.java
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index e0a00035b52cb202c5ca6a1d92709407de5d5d79..2238bb007169cfab8e29238a270508356eb90d40 100644
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--- a/src/main/java/net/minecraft/world/level/chunk/ChunkGenerator.java
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+++ b/src/main/java/net/minecraft/world/level/chunk/ChunkGenerator.java
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@@ -260,12 +260,15 @@ public abstract class ChunkGenerator {
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int i1 = placement.spacing();
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for (int j1 = -radius; j1 <= radius; ++j1) {
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- boolean flag1 = j1 == -radius || j1 == radius;
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+ // Paper start - iterate over border chunks instead of entire square chunk area
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+ boolean flag1 = j1 == -radius || j1 == radius; final boolean onBorderAlongZAxis = flag1; // Paper - OBFHELPER
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- for (int k1 = -radius; k1 <= radius; ++k1) {
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- boolean flag2 = k1 == -radius || k1 == radius;
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+ for (int k1 = -radius; k1 <= radius; k1 += onBorderAlongZAxis ? 1 : radius * 2) {
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+ // boolean flag2 = k1 == -radius || k1 == radius;
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- if (flag1 || flag2) {
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+ // if (flag1 || flag2) {
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+ if (true) {
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+ // Paper end
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int l1 = centerChunkX + i1 * j1;
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int i2 = centerChunkZ + i1 * k1;
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ChunkPos chunkcoordintpair = placement.getPotentialStructureChunk(seed, l1, i2);
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