From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001 From: dfsek Date: Wed, 16 Sep 2020 01:12:29 -0700 Subject: [PATCH] Add StructuresLocateEvent Co-authored-by: Jake Potrebic 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..09837f6e6c6ab8a1df2aacdb86646993123dd424 --- /dev/null +++ b/src/main/java/io/papermc/paper/world/structure/PaperConfiguredStructure.java @@ -0,0 +1,35 @@ +package io.papermc.paper.world.structure; + +import java.util.Objects; +import net.minecraft.core.Registry; +import net.minecraft.core.registries.BuiltInRegistries; +import net.minecraft.resources.ResourceLocation; +import net.minecraft.world.level.levelgen.structure.Structure; +import org.bukkit.NamespacedKey; +import org.bukkit.StructureType; +import org.bukkit.craftbukkit.CraftRegistry; +import org.checkerframework.checker.nullness.qual.NonNull; +import org.checkerframework.checker.nullness.qual.Nullable; +import org.checkerframework.framework.qual.DefaultQualifier; + +@DefaultQualifier(NonNull.class) +@Deprecated(forRemoval = true) +public final class PaperConfiguredStructure { + + private PaperConfiguredStructure() { + } + + @Deprecated(forRemoval = true) + public static final class LegacyRegistry extends CraftRegistry { + + public LegacyRegistry(final Registry minecraftRegistry) { + super(minecraftRegistry, LegacyRegistry::minecraftToBukkit); + } + + private static @Nullable ConfiguredStructure minecraftToBukkit(NamespacedKey key, Structure nms) { + final ResourceLocation structureTypeLoc = Objects.requireNonNull(BuiltInRegistries.STRUCTURE_TYPE.getKey(nms.type()), "unexpected structure type " + nms.type()); + final @Nullable StructureType structureType = StructureType.getStructureTypes().get(structureTypeLoc.getPath()); + return structureType == null ? null : new ConfiguredStructure(key, structureType); + } + } +} 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 4da303d7e15496f04f0e27bfb613176bc2a72b76..3c7920721914588a3e7eaf1faff46f7305823416 100644 --- a/src/main/java/net/minecraft/world/level/chunk/ChunkGenerator.java +++ b/src/main/java/net/minecraft/world/level/chunk/ChunkGenerator.java @@ -121,6 +121,24 @@ public abstract class ChunkGenerator { @Nullable public Pair> findNearestMapStructure(ServerLevel world, HolderSet structures, BlockPos center, int radius, boolean skipReferencedStructures) { + // Paper start - StructuresLocateEvent + final org.bukkit.World bukkitWorld = world.getWorld(); + final org.bukkit.Location origin = io.papermc.paper.util.MCUtil.toLocation(world, center); + final List apiStructures = structures.stream().map(Holder::value).map(nms -> org.bukkit.craftbukkit.generator.structure.CraftStructure.minecraftToBukkit(nms, world.registryAccess())).toList(); + if (!apiStructures.isEmpty()) { + final io.papermc.paper.event.world.StructuresLocateEvent event = new io.papermc.paper.event.world.StructuresLocateEvent(bukkitWorld, origin, apiStructures, radius, skipReferencedStructures); + if (!event.callEvent()) { + return null; + } + if (event.getResult() != null) { + return Pair.of(io.papermc.paper.util.MCUtil.toBlockPos(event.getResult().pos()), world.registryAccess().registryOrThrow(Registries.STRUCTURE).wrapAsHolder(org.bukkit.craftbukkit.generator.structure.CraftStructure.bukkitToMinecraft(event.getResult().structure()))); + } + center = io.papermc.paper.util.MCUtil.toBlockPosition(event.getOrigin()); + radius = event.getRadius(); + skipReferencedStructures = event.shouldFindUnexplored(); + structures = HolderSet.direct(api -> world.registryAccess().registryOrThrow(Registries.STRUCTURE).wrapAsHolder(org.bukkit.craftbukkit.generator.structure.CraftStructure.bukkitToMinecraft(api)), event.getStructures()); + } + // Paper end ChunkGeneratorStructureState chunkgeneratorstructurestate = world.getChunkSource().getGeneratorState(); Map>> map = new Object2ObjectArrayMap(); Iterator iterator = structures.iterator(); diff --git a/src/main/java/org/bukkit/craftbukkit/CraftRegistry.java b/src/main/java/org/bukkit/craftbukkit/CraftRegistry.java index 582e509dddfdf6e7b8a2d7310caba076c3bd7dc2..3d17c2b6fdfe24cf9aed90649264bdb55407c35b 100644 --- a/src/main/java/org/bukkit/craftbukkit/CraftRegistry.java +++ b/src/main/java/org/bukkit/craftbukkit/CraftRegistry.java @@ -63,6 +63,11 @@ public class CraftRegistry implements Registry { return new CraftRegistry<>(registryHolder.registryOrThrow(Registries.TRIM_PATTERN), CraftTrimPattern::new); } // TODO registry modification API + // Paper start - remove this after a while along with all ConfiguredStructure stuff + if (bukkitClass == io.papermc.paper.world.structure.ConfiguredStructure.class) { + return new io.papermc.paper.world.structure.PaperConfiguredStructure.LegacyRegistry(registryHolder.registryOrThrow(Registries.STRUCTURE)); + } + // Paper end return null; } 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..cc24d5746b96d8ac352a3ed0a675a7b159f8bd65 --- /dev/null +++ b/src/test/java/io/papermc/paper/world/structure/ConfiguredStructureTest.java @@ -0,0 +1,96 @@ +package io.papermc.paper.world.structure; + +import io.papermc.paper.registry.Reference; +import net.minecraft.core.Registry; +import net.minecraft.core.registries.Registries; +import net.minecraft.resources.ResourceKey; +import net.minecraft.resources.ResourceLocation; +import net.minecraft.server.Bootstrap; +import net.minecraft.world.level.levelgen.structure.Structure; +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.jupiter.api.AfterAll; +import org.junit.jupiter.api.BeforeAll; +import org.junit.jupiter.api.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.jupiter.api.Assertions.assertEquals; +import static org.junit.jupiter.api.Assertions.assertNotNull; +import static org.junit.jupiter.api.Assertions.assertTrue; + +@Deprecated(forRemoval = true) +public class ConfiguredStructureTest extends AbstractTestingBase { + + private static final Map BUILT_IN_STRUCTURES = new LinkedHashMap<>(); + private static final Map> DEFAULT_CONFIGURED_STRUCTURES = new LinkedHashMap<>(); + + private static PrintStream out; + + @BeforeAll + 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() { + Registry structureRegistry = AbstractTestingBase.REGISTRY_CUSTOM.registryOrThrow(Registries.STRUCTURE); + assertEquals(BUILT_IN_STRUCTURES.size(), structureRegistry.size(), "configured structure maps should be the same size"); + + Map missing = new LinkedHashMap<>(); + for (Structure feature : structureRegistry) { + final ResourceLocation key = structureRegistry.getKey(feature); + assertNotNull(key, "Missing built-in registry key"); + if (key.equals(BuiltinStructures.ANCIENT_CITY.location()) || key.equals(BuiltinStructures.TRAIL_RUINS.location())) { + continue; // TODO remove when upstream adds "jigsaw" StructureType + } + if (DEFAULT_CONFIGURED_STRUCTURES.get(CraftNamespacedKey.fromMinecraft(key)) == null) { + missing.put(key, feature); + } + } + + assertTrue(missing.isEmpty(), printMissing(missing)); + } + + @Test + public void testApiToMinecraft() { + Registry structureRegistry = AbstractTestingBase.REGISTRY_CUSTOM.registryOrThrow(Registries.STRUCTURE); + for (NamespacedKey apiKey : DEFAULT_CONFIGURED_STRUCTURES.keySet()) { + assertTrue(structureRegistry.containsKey(CraftNamespacedKey.toMinecraft(apiKey)), apiKey + " does not have a minecraft counterpart"); + } + } + + private static String printMissing(Map missing) { + final StringJoiner joiner = new StringJoiner("\n", "Missing: \n", ""); + + missing.forEach((key, configuredFeature) -> { + joiner.add("public static final Reference " + BUILT_IN_STRUCTURES.get(key) + " = create(\"" + key.getPath() + "\");"); + }); + + return joiner.toString(); + } + + @AfterAll + public static void after() { + System.setOut(out); + } +}