Paper/patches/server/0580-Add-StructuresLocateEvent.patch
Nassim Jahnke 719daa8bbf
Updated Upstream (CraftBukkit)
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

CraftBukkit Changes:
4ed5af5e SPIGOT-6956: Reduce differences caused by setKeepSpawnInMemory(false)
21fe78aa SPIGOT-6957: Bad default value for WorldCreator#generatorSettings
ce373be6 PR-1022: Fix get HighestBlockAt in chunk snapshot
2022-03-04 09:33:13 +01:00

225 lines
12 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: dfsek <dfsek@protonmail.com>
Date: Wed, 16 Sep 2020 01:12:29 -0700
Subject: [PATCH] Add StructuresLocateEvent
Co-authored-by: Jake Potrebic <jake.m.potrebic@gmail.com>
diff --git a/src/main/java/io/papermc/paper/registry/RegistryKey.java b/src/main/java/io/papermc/paper/registry/RegistryKey.java
index 6f39e343147803e15e7681c993b8797a629702e7..cbff75f19e54b37c762b209b04f6d4799152cf5b 100644
--- a/src/main/java/io/papermc/paper/registry/RegistryKey.java
+++ b/src/main/java/io/papermc/paper/registry/RegistryKey.java
@@ -1,8 +1,13 @@
package io.papermc.paper.registry;
+import io.papermc.paper.world.structure.ConfiguredStructure;
import net.minecraft.core.Registry;
import net.minecraft.resources.ResourceKey;
+import net.minecraft.world.level.levelgen.feature.ConfiguredStructureFeature;
import org.bukkit.Keyed;
public record RegistryKey<API extends Keyed, MINECRAFT>(Class<API> apiClass, ResourceKey<? extends Registry<MINECRAFT>> resourceKey) {
+
+ public static final RegistryKey<ConfiguredStructure, ConfiguredStructureFeature<?, ?>> CONFIGURED_STRUCTURE_REGISTRY = new RegistryKey<>(ConfiguredStructure.class, Registry.CONFIGURED_STRUCTURE_FEATURE_REGISTRY);
+
}
diff --git a/src/main/java/io/papermc/paper/world/structure/PaperConfiguredStructure.java b/src/main/java/io/papermc/paper/world/structure/PaperConfiguredStructure.java
new file mode 100644
index 0000000000000000000000000000000000000000..41f6c2e1e60fc32e6393097711412ca2ad643e57
--- /dev/null
+++ b/src/main/java/io/papermc/paper/world/structure/PaperConfiguredStructure.java
@@ -0,0 +1,42 @@
+package io.papermc.paper.world.structure;
+
+import io.papermc.paper.registry.PaperRegistry;
+import io.papermc.paper.registry.RegistryKey;
+import net.minecraft.core.Registry;
+import net.minecraft.resources.ResourceLocation;
+import net.minecraft.world.level.levelgen.feature.ConfiguredStructureFeature;
+import net.minecraft.world.level.levelgen.feature.StructureFeature;
+import org.bukkit.NamespacedKey;
+import org.bukkit.StructureType;
+import org.checkerframework.checker.nullness.qual.NonNull;
+import org.checkerframework.framework.qual.DefaultQualifier;
+
+import java.util.Objects;
+import java.util.function.Supplier;
+
+@DefaultQualifier(NonNull.class)
+public final class PaperConfiguredStructure {
+
+ private PaperConfiguredStructure() {
+ }
+
+ public static void init() {
+ new ConfiguredStructureRegistry().register();
+ }
+
+ static final class ConfiguredStructureRegistry extends PaperRegistry<ConfiguredStructure, ConfiguredStructureFeature<?, ?>> {
+
+ private static final Supplier<Registry<StructureFeature<?>>> STRUCTURE_FEATURE_REGISTRY = registryFor(Registry.STRUCTURE_FEATURE_REGISTRY);
+
+ public ConfiguredStructureRegistry() {
+ super(RegistryKey.CONFIGURED_STRUCTURE_REGISTRY);
+ }
+
+ @Override
+ public ConfiguredStructure convertToApi(NamespacedKey key, ConfiguredStructureFeature<?, ?> nms) {
+ final ResourceLocation structureFeatureLoc = Objects.requireNonNull(STRUCTURE_FEATURE_REGISTRY.get().getKey(nms.feature));
+ final StructureType structureType = Objects.requireNonNull(StructureType.getStructureTypes().get(structureFeatureLoc.getPath()), structureFeatureLoc + " could not be converted to an API type");
+ return new ConfiguredStructure(key, structureType);
+ }
+ }
+}
diff --git a/src/main/java/net/minecraft/server/MinecraftServer.java b/src/main/java/net/minecraft/server/MinecraftServer.java
index 14b1524fcd27341eb8257f3925b94715bd4da152..eafa494d9c4d9fac40b62c439dbdae5bf70fd3a1 100644
--- a/src/main/java/net/minecraft/server/MinecraftServer.java
+++ b/src/main/java/net/minecraft/server/MinecraftServer.java
@@ -2036,7 +2036,7 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
this.packRepository.setSelected(dataPacks);
this.worldData.setDataPackConfig(MinecraftServer.getSelectedPacks(this.packRepository));
this.resources.managers.updateRegistryTags(this.registryAccess());
- io.papermc.paper.PaperRegistry.clearCaches(); // Paper
+ io.papermc.paper.registry.PaperRegistry.clearCaches(); // Paper
new io.papermc.paper.event.server.ServerResourcesReloadedEvent(cause).callEvent(); // Paper
if (Thread.currentThread() != this.serverThread) return; // Paper
//this.getPlayerList().saveAll(); // Paper - we don't need to do this
diff --git a/src/main/java/net/minecraft/world/level/chunk/ChunkGenerator.java b/src/main/java/net/minecraft/world/level/chunk/ChunkGenerator.java
index f9fc2fc63080a60fe61ebb08ddd93c4f189df84d..97b29671a8df6d102be3982443f6f784e2e1d6e1 100644
--- a/src/main/java/net/minecraft/world/level/chunk/ChunkGenerator.java
+++ b/src/main/java/net/minecraft/world/level/chunk/ChunkGenerator.java
@@ -294,6 +294,26 @@ public abstract class ChunkGenerator implements BiomeManager.NoiseBiomeSource {
@Nullable
public Pair<BlockPos, Holder<ConfiguredStructureFeature<?, ?>>> findNearestMapFeature(ServerLevel worldserver, HolderSet<ConfiguredStructureFeature<?, ?>> holderset, BlockPos center, int radius, boolean skipExistingChunks) {
+ // Paper start - StructureLocateEvent
+ final org.bukkit.World world = worldserver.getWorld();
+ final org.bukkit.Location origin = net.minecraft.server.MCUtil.toLocation(worldserver, center);
+ final var paperRegistry = io.papermc.paper.registry.PaperRegistry.getRegistry(io.papermc.paper.registry.RegistryKey.CONFIGURED_STRUCTURE_REGISTRY);
+ final List<io.papermc.paper.world.structure.ConfiguredStructure> configuredStructures = new ArrayList<>();
+ for (Holder<net.minecraft.world.level.levelgen.feature.ConfiguredStructureFeature<?, ?>> holder : holderset) {
+ configuredStructures.add(paperRegistry.convertToApi(holder));
+ }
+ final io.papermc.paper.event.world.StructuresLocateEvent event = new io.papermc.paper.event.world.StructuresLocateEvent(world, origin, configuredStructures, radius, skipExistingChunks);
+ if (!event.callEvent()) {
+ return null;
+ }
+ if (event.getResult() != null) {
+ return Pair.of(net.minecraft.server.MCUtil.toBlockPosition(event.getResult().position()), paperRegistry.getMinecraftHolder(event.getResult().configuredStructure()));
+ }
+ center = net.minecraft.server.MCUtil.toBlockPosition(event.getOrigin());
+ radius = event.getRadius();
+ skipExistingChunks = event.shouldFindUnexplored();
+ holderset = HolderSet.direct(paperRegistry::getMinecraftHolder, event.getConfiguredStructures());
+ // Paper end
Set<Holder<Biome>> set = (Set) holderset.stream().flatMap((holder) -> {
return ((ConfiguredStructureFeature) holder.value()).biomes().stream();
}).collect(Collectors.toSet());
diff --git a/src/main/java/net/minecraft/world/level/levelgen/feature/ConfiguredStructureFeature.java b/src/main/java/net/minecraft/world/level/levelgen/feature/ConfiguredStructureFeature.java
index af9ef29f5c5a600e4544ba735c833699cc93f93a..473a54963fbe08beeff26a828827f9f72d8a29b8 100644
--- a/src/main/java/net/minecraft/world/level/levelgen/feature/ConfiguredStructureFeature.java
+++ b/src/main/java/net/minecraft/world/level/levelgen/feature/ConfiguredStructureFeature.java
@@ -38,6 +38,7 @@ public class ConfiguredStructureFeature<FC extends FeatureConfiguration, F exten
public final HolderSet<Biome> biomes;
public final Map<MobCategory, StructureSpawnOverride> spawnOverrides;
public final boolean adaptNoise;
+ static { io.papermc.paper.world.structure.PaperConfiguredStructure.init(); } // Paper
public ConfiguredStructureFeature(F feature, FC config, HolderSet<Biome> biomes, boolean bl, Map<MobCategory, StructureSpawnOverride> map) {
this.feature = feature;
diff --git a/src/test/java/io/papermc/paper/world/structure/ConfiguredStructureTest.java b/src/test/java/io/papermc/paper/world/structure/ConfiguredStructureTest.java
new file mode 100644
index 0000000000000000000000000000000000000000..29c0209327374d5a4dad4e3bacdba7fa56d80749
--- /dev/null
+++ b/src/test/java/io/papermc/paper/world/structure/ConfiguredStructureTest.java
@@ -0,0 +1,89 @@
+package io.papermc.paper.world.structure;
+
+import io.papermc.paper.registry.Reference;
+import net.minecraft.data.BuiltinRegistries;
+import net.minecraft.resources.ResourceKey;
+import net.minecraft.resources.ResourceLocation;
+import net.minecraft.server.Bootstrap;
+import net.minecraft.world.level.levelgen.feature.ConfiguredStructureFeature;
+import net.minecraft.world.level.levelgen.structure.BuiltinStructures;
+import org.bukkit.NamespacedKey;
+import org.bukkit.craftbukkit.util.CraftNamespacedKey;
+import org.bukkit.support.AbstractTestingBase;
+import org.junit.AfterClass;
+import org.junit.BeforeClass;
+import org.junit.Test;
+
+import java.io.PrintStream;
+import java.lang.reflect.Field;
+import java.lang.reflect.Modifier;
+import java.util.LinkedHashMap;
+import java.util.Map;
+import java.util.StringJoiner;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertTrue;
+
+public class ConfiguredStructureTest extends AbstractTestingBase {
+
+ private static final Map<ResourceLocation, String> BUILT_IN_STRUCTURES = new LinkedHashMap<>();
+ private static final Map<NamespacedKey, Reference<?>> DEFAULT_CONFIGURED_STRUCTURES = new LinkedHashMap<>();
+
+ private static PrintStream out;
+
+ @BeforeClass
+ public static void collectStructures() throws ReflectiveOperationException {
+ out = System.out;
+ System.setOut(Bootstrap.STDOUT);
+ for (Field field : BuiltinStructures.class.getDeclaredFields()) {
+ if (field.getType().equals(ResourceKey.class) && Modifier.isStatic(field.getModifiers())) {
+ BUILT_IN_STRUCTURES.put(((ResourceKey<?>) field.get(null)).location(), field.getName());
+ }
+ }
+ for (Field field : ConfiguredStructure.class.getDeclaredFields()) {
+ if (field.getType().equals(Reference.class) && Modifier.isStatic(field.getModifiers())) {
+ final Reference<?> ref = (Reference<?>) field.get(null);
+ DEFAULT_CONFIGURED_STRUCTURES.put(ref.getKey(), ref);
+ }
+ }
+ }
+
+ @Test
+ public void testMinecraftToApi() {
+ assertEquals("configured structure maps should be the same size", BUILT_IN_STRUCTURES.size(), BuiltinRegistries.CONFIGURED_STRUCTURE_FEATURE.size());
+
+ Map<ResourceLocation, ConfiguredStructureFeature<?, ?>> missing = new LinkedHashMap<>();
+ for (ConfiguredStructureFeature<?, ?> feature : BuiltinRegistries.CONFIGURED_STRUCTURE_FEATURE) {
+ final ResourceLocation key = BuiltinRegistries.CONFIGURED_STRUCTURE_FEATURE.getKey(feature);
+ assertNotNull("Missing built-in registry key", key);
+ if (DEFAULT_CONFIGURED_STRUCTURES.get(CraftNamespacedKey.fromMinecraft(key)) == null) {
+ missing.put(key, feature);
+ }
+ }
+
+ assertTrue(printMissing(missing), missing.isEmpty());
+ }
+
+ @Test
+ public void testApiToMinecraft() {
+ for (NamespacedKey apiKey : DEFAULT_CONFIGURED_STRUCTURES.keySet()) {
+ assertTrue(apiKey + " does not have a minecraft counterpart", BuiltinRegistries.CONFIGURED_STRUCTURE_FEATURE.containsKey(CraftNamespacedKey.toMinecraft(apiKey)));
+ }
+ }
+
+ private static String printMissing(Map<ResourceLocation, ConfiguredStructureFeature<?, ?>> missing) {
+ final StringJoiner joiner = new StringJoiner("\n", "Missing: \n", "");
+
+ missing.forEach((key, configuredFeature) -> {
+ joiner.add("public static final Reference<ConfiguredStructure> " + BUILT_IN_STRUCTURES.get(key) + " = create(\"" + key.getPath() + "\");");
+ });
+
+ return joiner.toString();
+ }
+
+ @AfterClass
+ public static void after() {
+ System.setOut(out);
+ }
+}