74 lines
5.1 KiB
Diff
74 lines
5.1 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Jake Potrebic <jake.m.potrebic@gmail.com>
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Date: Tue, 1 Mar 2022 14:12:17 -0800
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Subject: [PATCH] Fix World#locateNearestStructure
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1.18.2 switched to TagKeys to reference tags of objects, and this method
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impl needs to be changed to reflect that
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diff --git a/src/main/java/net/minecraft/server/MinecraftServer.java b/src/main/java/net/minecraft/server/MinecraftServer.java
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index 6911c2bee078532255faa791d34a6c4e621b055f..26d912a96e8e614865b03dbcc166d38bdd097faf 100644
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--- a/src/main/java/net/minecraft/server/MinecraftServer.java
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+++ b/src/main/java/net/minecraft/server/MinecraftServer.java
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@@ -2022,6 +2022,11 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
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this.resources.managers.updateRegistryTags(this.registryAccess());
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io.papermc.paper.registry.PaperRegistry.clearCaches(); // Paper
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net.minecraft.world.item.alchemy.PotionBrewing.reload(); // Paper
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+ // Paper start - clear cache cause datapacks can add more configured structures
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+ for (ServerLevel level : this.levels.values()) {
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+ level.getWorld().structureCache.clear();
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+ }
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+ // Paper end
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new io.papermc.paper.event.server.ServerResourcesReloadedEvent(cause).callEvent(); // Paper
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if (Thread.currentThread() != this.serverThread) return; // Paper
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//this.getPlayerList().saveAll(); // Paper - we don't need to do this
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diff --git a/src/main/java/net/minecraft/server/level/ServerLevel.java b/src/main/java/net/minecraft/server/level/ServerLevel.java
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index edeafd4c671d686c96bffc095fa81b9a4a6723a6..240281d99ccd5e1f5c463e0ed8296bebb84e31e1 100644
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--- a/src/main/java/net/minecraft/server/level/ServerLevel.java
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+++ b/src/main/java/net/minecraft/server/level/ServerLevel.java
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@@ -1881,7 +1881,16 @@ public class ServerLevel extends Level implements WorldGenLevel {
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if (optional.isEmpty()) {
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return null;
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} else {
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- Pair<BlockPos, Holder<Structure>> pair = this.getChunkSource().getGenerator().findNearestMapStructure(this, (HolderSet) optional.get(), pos, radius, skipReferencedStructures);
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+ // Paper start
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+ return this.findNearestMapFeature(optional.get(), pos, radius, skipReferencedStructures);
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+ }
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+ }
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+ }
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+ public @Nullable BlockPos findNearestMapFeature(HolderSet<Structure> holderSet, BlockPos pos, int radius, boolean skipReferencedStructures) {
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+ {
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+ {
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+ Pair<BlockPos, Holder<Structure>> pair = this.getChunkSource().getGenerator().findNearestMapStructure(this, holderSet, pos, radius, skipReferencedStructures);
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+ // Paper end
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return pair != null ? (BlockPos) pair.getFirst() : null;
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}
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diff --git a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
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index d908eb6b1208cf69f2f1282ddf1c20dc04d092d1..9755342e62a4632297bf8ae7e9df5cdf89f24f31 100644
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--- a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
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+++ b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
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@@ -2059,10 +2059,22 @@ public class CraftWorld extends CraftRegionAccessor implements World {
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}
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+ public final Map<StructureType, List<Holder.Reference<net.minecraft.world.level.levelgen.structure.Structure>>> structureCache = new java.util.HashMap<>(); // Paper
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@Override
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public Location locateNearestStructure(Location origin, StructureType structureType, int radius, boolean findUnexplored) {
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BlockPos originPos = new BlockPos(origin.getX(), origin.getY(), origin.getZ());
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- BlockPos nearest = this.getHandle().findNearestMapStructure(TagKey.create(Registry.STRUCTURE_REGISTRY, CraftNamespacedKey.toMinecraft(structureType.getKey())), originPos, radius, findUnexplored);
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+ // Paper start - fix because you can't just create random TagKeys
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+ if (!this.getHandle().serverLevelData.worldGenSettings().generateStructures()) { // from ServerLevel#findNearestMapStructure
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+ return null;
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+ }
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+ final List<Holder.Reference<net.minecraft.world.level.levelgen.structure.Structure>> features = this.structureCache.computeIfAbsent(structureType, (type) -> {
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+ final Registry<net.minecraft.world.level.levelgen.structure.StructureType<?>> structureFeatureRegistry = this.getHandle().registryAccess().registryOrThrow(Registry.STRUCTURE_TYPE_REGISTRY);
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+ return this.getHandle().registryAccess().registryOrThrow(Registry.STRUCTURE_REGISTRY).holders().filter(holder -> {
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+ return structureType.getKey().equals(CraftNamespacedKey.fromMinecraft(Objects.requireNonNull(structureFeatureRegistry.getKey(holder.value().type()))));
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+ }).toList();
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+ });
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+ BlockPos nearest = this.getHandle().findNearestMapFeature(net.minecraft.core.HolderSet.direct(features), originPos, radius, findUnexplored);
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+ // Paper end
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return (nearest == null) ? null : new Location(this, nearest.getX(), nearest.getY(), nearest.getZ());
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}
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