215 lines
11 KiB
Diff
215 lines
11 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: dfsek <dfsek@protonmail.com>
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Date: Wed, 16 Sep 2020 01:12:29 -0700
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Subject: [PATCH] Add StructuresLocateEvent
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Co-authored-by: Jake Potrebic <jake.m.potrebic@gmail.com>
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diff --git a/src/main/java/io/papermc/paper/registry/RegistryKey.java b/src/main/java/io/papermc/paper/registry/RegistryKey.java
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index 6f39e343147803e15e7681c993b8797a629702e7..87154ae69788249960bca376aafd90bf64d5bfe7 100644
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--- a/src/main/java/io/papermc/paper/registry/RegistryKey.java
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+++ b/src/main/java/io/papermc/paper/registry/RegistryKey.java
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@@ -1,8 +1,13 @@
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package io.papermc.paper.registry;
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+import io.papermc.paper.world.structure.ConfiguredStructure;
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import net.minecraft.core.Registry;
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import net.minecraft.resources.ResourceKey;
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+import net.minecraft.world.level.levelgen.structure.Structure;
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import org.bukkit.Keyed;
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public record RegistryKey<API extends Keyed, MINECRAFT>(Class<API> apiClass, ResourceKey<? extends Registry<MINECRAFT>> resourceKey) {
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+
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+ public static final RegistryKey<ConfiguredStructure, Structure> CONFIGURED_STRUCTURE_REGISTRY = new RegistryKey<>(ConfiguredStructure.class, Registry.STRUCTURE_REGISTRY);
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+
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}
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diff --git a/src/main/java/io/papermc/paper/world/structure/PaperConfiguredStructure.java b/src/main/java/io/papermc/paper/world/structure/PaperConfiguredStructure.java
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new file mode 100644
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index 0000000000000000000000000000000000000000..423bf87ebda7ea266dc7b48cbfadbc8551180721
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--- /dev/null
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+++ b/src/main/java/io/papermc/paper/world/structure/PaperConfiguredStructure.java
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@@ -0,0 +1,42 @@
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+package io.papermc.paper.world.structure;
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+
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+import io.papermc.paper.registry.PaperRegistry;
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+import io.papermc.paper.registry.RegistryKey;
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+import net.minecraft.core.Registry;
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+import net.minecraft.resources.ResourceLocation;
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+import net.minecraft.world.level.levelgen.structure.Structure;
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+import org.bukkit.NamespacedKey;
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+import org.bukkit.StructureType;
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+import org.checkerframework.checker.nullness.qual.NonNull;
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+import org.checkerframework.checker.nullness.qual.Nullable;
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+import org.checkerframework.framework.qual.DefaultQualifier;
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+
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+import java.util.Objects;
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+import java.util.function.Supplier;
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+
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+@DefaultQualifier(NonNull.class)
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+public final class PaperConfiguredStructure {
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+
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+ private PaperConfiguredStructure() {
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+ }
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+
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+ public static void init() {
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+ new ConfiguredStructureRegistry().register();
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+ }
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+
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+ static final class ConfiguredStructureRegistry extends PaperRegistry<ConfiguredStructure, Structure> {
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+
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+ private static final Supplier<Registry<Structure>> STRUCTURE_FEATURE_REGISTRY = registryFor(Registry.STRUCTURE_REGISTRY);
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+
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+ public ConfiguredStructureRegistry() {
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+ super(RegistryKey.CONFIGURED_STRUCTURE_REGISTRY);
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+ }
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+
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+ @Override
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+ public @Nullable ConfiguredStructure convertToApi(NamespacedKey key, Structure nms) {
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+ final ResourceLocation structureTypeLoc = Objects.requireNonNull(Registry.STRUCTURE_TYPES.getKey(nms.type()), "unexpected structure type " + nms.type());
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+ final @Nullable StructureType structureType = StructureType.getStructureTypes().get(structureTypeLoc.getPath());
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+ return structureType == null ? null : new ConfiguredStructure(key, structureType);
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+ }
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+ }
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+}
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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 0f92f2906195f5b2b70ca02a46fa111a46f8f18f..a4e2ee3efde40c902555f982ffa546c24bc31377 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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@@ -295,6 +295,26 @@ public abstract class ChunkGenerator {
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@Nullable
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public Pair<BlockPos, Holder<Structure>> findNearestMapStructure(ServerLevel world, HolderSet<Structure> structures, BlockPos center, int radius, boolean skipReferencedStructures) {
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+ // Paper start - StructureLocateEvent
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+ final org.bukkit.World bukkitWorld = world.getWorld();
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+ final org.bukkit.Location origin = net.minecraft.server.MCUtil.toLocation(world, center);
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+ final var paperRegistry = io.papermc.paper.registry.PaperRegistry.getRegistry(io.papermc.paper.registry.RegistryKey.CONFIGURED_STRUCTURE_REGISTRY);
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+ final List<io.papermc.paper.world.structure.ConfiguredStructure> configuredStructures = new ArrayList<>();
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+ paperRegistry.convertToApi(structures, configuredStructures::add, false); // gracefully handle missing api, use tests to check (or exclude)
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+ if (!configuredStructures.isEmpty()) {
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+ final io.papermc.paper.event.world.StructuresLocateEvent event = new io.papermc.paper.event.world.StructuresLocateEvent(bukkitWorld, origin, configuredStructures, radius, skipReferencedStructures);
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+ if (!event.callEvent()) {
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+ return null;
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+ }
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+ if (event.getResult() != null) {
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+ return Pair.of(net.minecraft.server.MCUtil.toBlockPosition(event.getResult().position()), paperRegistry.getMinecraftHolder(event.getResult().configuredStructure()));
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+ }
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+ center = net.minecraft.server.MCUtil.toBlockPosition(event.getOrigin());
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+ radius = event.getRadius();
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+ skipReferencedStructures = event.shouldFindUnexplored();
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+ structures = HolderSet.direct(paperRegistry::getMinecraftHolder, event.getConfiguredStructures());
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+ }
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+ // Paper end
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Map<StructurePlacement, Set<Holder<Structure>>> map = new Object2ObjectArrayMap();
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Iterator iterator = structures.iterator();
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diff --git a/src/main/java/net/minecraft/world/level/levelgen/structure/Structure.java b/src/main/java/net/minecraft/world/level/levelgen/structure/Structure.java
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index 737956b316c02e4ccdc6eef8de4a0a299d36b9ca..b8649eab719a1b71dc686386a8db756eefb9802e 100644
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--- a/src/main/java/net/minecraft/world/level/levelgen/structure/Structure.java
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+++ b/src/main/java/net/minecraft/world/level/levelgen/structure/Structure.java
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@@ -41,6 +41,7 @@ public abstract class Structure {
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public static final Codec<Structure> DIRECT_CODEC = Registry.STRUCTURE_TYPES.byNameCodec().dispatch(Structure::type, StructureType::codec);
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public static final Codec<Holder<Structure>> CODEC = RegistryFileCodec.create(Registry.STRUCTURE_REGISTRY, DIRECT_CODEC);
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protected final Structure.StructureSettings settings;
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+ static { io.papermc.paper.world.structure.PaperConfiguredStructure.init(); } // Paper
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public static <S extends Structure> RecordCodecBuilder<S, Structure.StructureSettings> settingsCodec(RecordCodecBuilder.Instance<S> instance) {
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return Structure.StructureSettings.CODEC.forGetter((feature) -> {
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diff --git a/src/test/java/io/papermc/paper/world/structure/ConfiguredStructureTest.java b/src/test/java/io/papermc/paper/world/structure/ConfiguredStructureTest.java
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new file mode 100644
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index 0000000000000000000000000000000000000000..61efebe1d363b34e2043ccc4c6e28bb714c2fa31
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--- /dev/null
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+++ b/src/test/java/io/papermc/paper/world/structure/ConfiguredStructureTest.java
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@@ -0,0 +1,92 @@
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+package io.papermc.paper.world.structure;
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+
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+import io.papermc.paper.registry.Reference;
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+import net.minecraft.data.BuiltinRegistries;
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+import net.minecraft.resources.ResourceKey;
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+import net.minecraft.resources.ResourceLocation;
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+import net.minecraft.server.Bootstrap;
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+import net.minecraft.world.level.levelgen.structure.Structure;
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+import net.minecraft.world.level.levelgen.structure.BuiltinStructures;
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+import org.bukkit.NamespacedKey;
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+import org.bukkit.craftbukkit.util.CraftNamespacedKey;
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+import org.bukkit.support.AbstractTestingBase;
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+import org.junit.AfterClass;
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+import org.junit.BeforeClass;
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+import org.junit.Test;
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+
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+import java.io.PrintStream;
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+import java.lang.reflect.Field;
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+import java.lang.reflect.Modifier;
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+import java.util.LinkedHashMap;
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+import java.util.Map;
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+import java.util.StringJoiner;
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+
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+import static org.junit.Assert.assertEquals;
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+import static org.junit.Assert.assertNotNull;
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+import static org.junit.Assert.assertTrue;
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+
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+public class ConfiguredStructureTest extends AbstractTestingBase {
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+
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+ private static final Map<ResourceLocation, String> BUILT_IN_STRUCTURES = new LinkedHashMap<>();
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+ private static final Map<NamespacedKey, Reference<?>> DEFAULT_CONFIGURED_STRUCTURES = new LinkedHashMap<>();
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+
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+ private static PrintStream out;
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+
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+ @BeforeClass
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+ public static void collectStructures() throws ReflectiveOperationException {
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+ out = System.out;
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+ System.setOut(Bootstrap.STDOUT);
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+ for (Field field : BuiltinStructures.class.getDeclaredFields()) {
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+ if (field.getType().equals(ResourceKey.class) && Modifier.isStatic(field.getModifiers())) {
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+ BUILT_IN_STRUCTURES.put(((ResourceKey<?>) field.get(null)).location(), field.getName());
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+ }
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+ }
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+ for (Field field : ConfiguredStructure.class.getDeclaredFields()) {
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+ if (field.getType().equals(Reference.class) && Modifier.isStatic(field.getModifiers())) {
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+ final Reference<?> ref = (Reference<?>) field.get(null);
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+ DEFAULT_CONFIGURED_STRUCTURES.put(ref.getKey(), ref);
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+ }
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+ }
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+ }
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+
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+ @Test
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+ public void testMinecraftToApi() {
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+ assertEquals("configured structure maps should be the same size", BUILT_IN_STRUCTURES.size(), BuiltinRegistries.STRUCTURES.size());
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+
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+ Map<ResourceLocation, Structure> missing = new LinkedHashMap<>();
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+ for (Structure feature : BuiltinRegistries.STRUCTURES) {
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+ final ResourceLocation key = BuiltinRegistries.STRUCTURES.getKey(feature);
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+ assertNotNull("Missing built-in registry key", key);
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+ if (key.equals(BuiltinStructures.ANCIENT_CITY.location())) {
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+ continue; // TODO remove when upstream adds "jigsaw" StructureType
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+ }
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+ if (DEFAULT_CONFIGURED_STRUCTURES.get(CraftNamespacedKey.fromMinecraft(key)) == null) {
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+ missing.put(key, feature);
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+ }
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+ }
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+
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+ assertTrue(printMissing(missing), missing.isEmpty());
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+ }
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+
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+ @Test
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+ public void testApiToMinecraft() {
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+ for (NamespacedKey apiKey : DEFAULT_CONFIGURED_STRUCTURES.keySet()) {
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+ assertTrue(apiKey + " does not have a minecraft counterpart", BuiltinRegistries.STRUCTURES.containsKey(CraftNamespacedKey.toMinecraft(apiKey)));
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+ }
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+ }
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+
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+ private static String printMissing(Map<ResourceLocation, Structure> missing) {
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+ final StringJoiner joiner = new StringJoiner("\n", "Missing: \n", "");
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+
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+ missing.forEach((key, configuredFeature) -> {
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+ joiner.add("public static final Reference<ConfiguredStructure> " + BUILT_IN_STRUCTURES.get(key) + " = create(\"" + key.getPath() + "\");");
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+ });
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+
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+ return joiner.toString();
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+ }
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+
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+ @AfterClass
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+ public static void after() {
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+ System.setOut(out);
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+ }
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+}
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