101 lines
3.8 KiB
Java
101 lines
3.8 KiB
Java
package net.minecraft.data;
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import com.google.common.hash.Hashing;
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import com.google.common.hash.HashingOutputStream;
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import com.google.gson.JsonElement;
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import com.google.gson.stream.JsonWriter;
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import com.mojang.logging.LogUtils;
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import com.mojang.serialization.Codec;
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import com.mojang.serialization.DynamicOps;
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import com.mojang.serialization.JsonOps;
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import it.unimi.dsi.fastutil.objects.Object2IntOpenHashMap;
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import java.io.ByteArrayOutputStream;
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import java.io.IOException;
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import java.io.OutputStreamWriter;
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import java.nio.charset.StandardCharsets;
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import java.nio.file.Path;
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import java.util.Comparator;
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import java.util.Map;
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import java.util.concurrent.CompletableFuture;
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import java.util.function.ToIntFunction;
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import net.minecraft.Util;
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import net.minecraft.core.HolderLookup;
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import net.minecraft.data.PackOutput.PathProvider;
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import net.minecraft.resources.RegistryOps;
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import net.minecraft.resources.ResourceLocation;
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import net.minecraft.util.GsonHelper;
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import org.slf4j.Logger;
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public interface DataProvider {
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ToIntFunction<String> FIXED_ORDER_FIELDS = Util.make(new Object2IntOpenHashMap<>(), object2IntOpenHashMap -> {
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object2IntOpenHashMap.put("type", 0);
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object2IntOpenHashMap.put("parent", 1);
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object2IntOpenHashMap.defaultReturnValue(2);
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});
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Comparator<String> KEY_COMPARATOR = Comparator.comparingInt(FIXED_ORDER_FIELDS).thenComparing(string -> string);
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Logger LOGGER = LogUtils.getLogger();
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CompletableFuture<?> run(CachedOutput output);
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/**
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* Gets a name for this provider, to use in logging.
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*/
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String getName();
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static <T> CompletableFuture<?> saveAll(CachedOutput output, Codec<T> codec, PathProvider pathProvider, Map<ResourceLocation, T> entries) {
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return CompletableFuture.allOf(
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(CompletableFuture[])entries.entrySet()
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.stream()
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.map(entry -> saveStable(output, codec, (T)entry.getValue(), pathProvider.json((ResourceLocation)entry.getKey())))
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.toArray(CompletableFuture[]::new)
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);
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}
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static <T> CompletableFuture<?> saveStable(CachedOutput output, HolderLookup.Provider registries, Codec<T> codec, T value, Path path) {
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RegistryOps<JsonElement> registryOps = registries.createSerializationContext(JsonOps.INSTANCE);
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return saveStable(output, registryOps, codec, value, path);
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}
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static <T> CompletableFuture<?> saveStable(CachedOutput output, Codec<T> codec, T value, Path path) {
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return saveStable(output, JsonOps.INSTANCE, codec, value, path);
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}
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private static <T> CompletableFuture<?> saveStable(CachedOutput output, DynamicOps<JsonElement> ops, Codec<T> codec, T value, Path path) {
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JsonElement jsonElement = codec.encodeStart(ops, value).getOrThrow();
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return saveStable(output, jsonElement, path);
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}
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static CompletableFuture<?> saveStable(CachedOutput output, JsonElement json, Path path) {
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return CompletableFuture.runAsync(() -> {
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try {
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ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
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HashingOutputStream hashingOutputStream = new HashingOutputStream(Hashing.sha1(), byteArrayOutputStream);
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JsonWriter jsonWriter = new JsonWriter(new OutputStreamWriter(hashingOutputStream, StandardCharsets.UTF_8));
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try {
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jsonWriter.setSerializeNulls(false);
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jsonWriter.setIndent(" ");
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GsonHelper.writeValue(jsonWriter, json, KEY_COMPARATOR);
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} catch (Throwable var9) {
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try {
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jsonWriter.close();
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} catch (Throwable var8) {
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var9.addSuppressed(var8);
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}
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throw var9;
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}
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jsonWriter.close();
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output.writeIfNeeded(path, byteArrayOutputStream.toByteArray(), hashingOutputStream.hash());
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} catch (IOException var10) {
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LOGGER.error("Failed to save file to {}", path, var10);
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}
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}, Util.backgroundExecutor().forName("saveStable"));
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}
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@FunctionalInterface
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public interface Factory<T extends DataProvider> {
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T create(PackOutput packOutput);
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}
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}
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