minecraft-src/net/minecraft/server/WorldLoader.java
2025-07-04 02:00:41 +03:00

113 lines
5 KiB
Java

package net.minecraft.server;
import com.mojang.datafixers.util.Pair;
import com.mojang.logging.LogUtils;
import java.util.List;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.Executor;
import java.util.stream.Stream;
import net.minecraft.commands.Commands;
import net.minecraft.core.HolderLookup;
import net.minecraft.core.LayeredRegistryAccess;
import net.minecraft.core.Registry;
import net.minecraft.core.RegistryAccess;
import net.minecraft.resources.RegistryDataLoader;
import net.minecraft.server.packs.PackResources;
import net.minecraft.server.packs.PackType;
import net.minecraft.server.packs.repository.PackRepository;
import net.minecraft.server.packs.resources.CloseableResourceManager;
import net.minecraft.server.packs.resources.MultiPackResourceManager;
import net.minecraft.server.packs.resources.ResourceManager;
import net.minecraft.tags.TagLoader;
import net.minecraft.world.level.WorldDataConfiguration;
import org.slf4j.Logger;
public class WorldLoader {
private static final Logger LOGGER = LogUtils.getLogger();
public static <D, R> CompletableFuture<R> load(
WorldLoader.InitConfig initConfig,
WorldLoader.WorldDataSupplier<D> worldDataSupplier,
WorldLoader.ResultFactory<D, R> resultFactory,
Executor backgroundExecutor,
Executor gameExecutor
) {
try {
Pair<WorldDataConfiguration, CloseableResourceManager> pair = initConfig.packConfig.createResourceManager();
CloseableResourceManager closeableResourceManager = pair.getSecond();
LayeredRegistryAccess<RegistryLayer> layeredRegistryAccess = RegistryLayer.createRegistryAccess();
List<Registry.PendingTags<?>> list = TagLoader.loadTagsForExistingRegistries(closeableResourceManager, layeredRegistryAccess.getLayer(RegistryLayer.STATIC));
RegistryAccess.Frozen frozen = layeredRegistryAccess.getAccessForLoading(RegistryLayer.WORLDGEN);
List<HolderLookup.RegistryLookup<?>> list2 = TagLoader.buildUpdatedLookups(frozen, list);
RegistryAccess.Frozen frozen2 = RegistryDataLoader.load(closeableResourceManager, list2, RegistryDataLoader.WORLDGEN_REGISTRIES);
List<HolderLookup.RegistryLookup<?>> list3 = Stream.concat(list2.stream(), frozen2.listRegistries()).toList();
RegistryAccess.Frozen frozen3 = RegistryDataLoader.load(closeableResourceManager, list3, RegistryDataLoader.DIMENSION_REGISTRIES);
WorldDataConfiguration worldDataConfiguration = pair.getFirst();
HolderLookup.Provider provider = HolderLookup.Provider.create(list3.stream());
WorldLoader.DataLoadOutput<D> dataLoadOutput = worldDataSupplier.get(
new WorldLoader.DataLoadContext(closeableResourceManager, worldDataConfiguration, provider, frozen3)
);
LayeredRegistryAccess<RegistryLayer> layeredRegistryAccess2 = layeredRegistryAccess.replaceFrom(
RegistryLayer.WORLDGEN, frozen2, dataLoadOutput.finalDimensions
);
return ReloadableServerResources.loadResources(
closeableResourceManager,
layeredRegistryAccess2,
list,
worldDataConfiguration.enabledFeatures(),
initConfig.commandSelection(),
initConfig.functionCompilationLevel(),
backgroundExecutor,
gameExecutor
)
.whenComplete((reloadableServerResources, throwable) -> {
if (throwable != null) {
closeableResourceManager.close();
}
})
.thenApplyAsync(reloadableServerResources -> {
reloadableServerResources.updateStaticRegistryTags();
return resultFactory.create(closeableResourceManager, reloadableServerResources, layeredRegistryAccess2, dataLoadOutput.cookie);
}, gameExecutor);
} catch (Exception var18) {
return CompletableFuture.failedFuture(var18);
}
}
public record DataLoadContext(
ResourceManager resources, WorldDataConfiguration dataConfiguration, HolderLookup.Provider datapackWorldgen, RegistryAccess.Frozen datapackDimensions
) {
}
public record DataLoadOutput<D>(D cookie, RegistryAccess.Frozen finalDimensions) {
}
public record InitConfig(WorldLoader.PackConfig packConfig, Commands.CommandSelection commandSelection, int functionCompilationLevel) {
}
public record PackConfig(PackRepository packRepository, WorldDataConfiguration initialDataConfig, boolean safeMode, boolean initMode) {
public Pair<WorldDataConfiguration, CloseableResourceManager> createResourceManager() {
WorldDataConfiguration worldDataConfiguration = MinecraftServer.configurePackRepository(
this.packRepository, this.initialDataConfig, this.initMode, this.safeMode
);
List<PackResources> list = this.packRepository.openAllSelected();
CloseableResourceManager closeableResourceManager = new MultiPackResourceManager(PackType.SERVER_DATA, list);
return Pair.of(worldDataConfiguration, closeableResourceManager);
}
}
@FunctionalInterface
public interface ResultFactory<D, R> {
R create(
CloseableResourceManager closeableResourceManager,
ReloadableServerResources reloadableServerResources,
LayeredRegistryAccess<RegistryLayer> layeredRegistryAccess,
D object
);
}
@FunctionalInterface
public interface WorldDataSupplier<D> {
WorldLoader.DataLoadOutput<D> get(WorldLoader.DataLoadContext dataLoadContext);
}
}