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b8edb0e130
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: 6b34da8f SPIGOT-7467: Add getAddress to RemoteConsoleCommandSender CraftBukkit Changes: db4ba2897 SPIGOT-7467: Add getAddress to RemoteConsoleCommandSender 4f7ff4dec PR-1246: Add missing AbstractTestingBase to tests which need them f70a7b68d SPIGOT-7465, MC-264979: Fresh installations print NoSuchFileException for server.properties 8ef7afef6 PR-1240: Call BlockGrowEvent for vines that are growing on additional sides of an existing vine block Spigot Changes: d2eba2c8 Rebuild patches
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 8bab3fcfc6aa6c0b37621474a69f15e94bda2113..d5c2a608e1b4c8099c96b33d9d758e968350a46d 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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