LootTableProvider.java

net.minecraft.data.loot.LootTableProvider

信息

• 全限定名：net.minecraft.data.loot.LootTableProvider
• 类型：public class
• 包：net.minecraft.data.loot
• 源码路径：src/main/java/net/minecraft/data/loot/LootTableProvider.java
• 起始行号：L35
• 实现：DataProvider
• 职责：

  TODO

字段/常量

• LOGGER

  • 类型: Logger
  • 修饰符: private static final
  • 源码定位: L36
  • 说明:

    TODO

• pathProvider

  • 类型: PackOutput.PathProvider
  • 修饰符: private final
  • 源码定位: L37
  • 说明:

    TODO

• requiredTables

  • 类型: Set<ResourceKey<LootTable>>
  • 修饰符: private final
  • 源码定位: L38
  • 说明:

    TODO

• subProviders

  • 类型: List<LootTableProvider.SubProviderEntry>
  • 修饰符: private final
  • 源码定位: L39
  • 说明:

    TODO

• registries

  • 类型: CompletableFuture<HolderLookup.Provider>
  • 修饰符: private final
  • 源码定位: L40
  • 说明:

    TODO

内部类/嵌套类型

• net.minecraft.data.loot.LootTableProvider.MissingTableProblem

  • 类型: record
  • 修饰符: public
  • 源码定位: L105
  • 说明:

    TODO

• net.minecraft.data.loot.LootTableProvider.SubProviderEntry

  • 类型: record
  • 修饰符: public
  • 源码定位: L112
  • 说明:

    TODO

构造器

public LootTableProvider(PackOutput output, Set<ResourceKey<LootTable>> requiredTables, List<LootTableProvider.SubProviderEntry> subProviders, CompletableFuture<HolderLookup.Provider> registries) @ L42

• 构造器名：LootTableProvider
• 源码定位：L42
• 修饰符：public

参数:

• output: PackOutput
• requiredTables: Set<ResourceKey>
• subProviders: List<LootTableProvider.SubProviderEntry>
• registries: CompletableFuture<HolderLookup.Provider>

说明:

TODO

方法

下面的方法块按源码顺序生成。

public CompletableFuture<?> run(CachedOutput cache) @ L54

• 方法名：run
• 源码定位：L54
• 返回类型：CompletableFuture<?>
• 修饰符：public

参数:

• cache: CachedOutput

说明:

TODO

private CompletableFuture<?> run(CachedOutput cache, HolderLookup.Provider registries) @ L59

• 方法名：run
• 源码定位：L59
• 返回类型：CompletableFuture<?>
• 修饰符：private

参数:

• cache: CachedOutput
• registries: HolderLookup.Provider

说明:

TODO

private static Identifier sequenceIdForLootTable(ResourceKey<LootTable> id) @ L96

• 方法名：sequenceIdForLootTable
• 源码定位：L96
• 返回类型：Identifier
• 修饰符：private static

参数:

• id: ResourceKey

说明:

TODO

public final String getName() @ L100

• 方法名：getName
• 源码定位：L100
• 返回类型：String
• 修饰符：public final

参数:

• 无

说明:

TODO

代码

public class LootTableProvider implements DataProvider {
    private static final Logger LOGGER = LogUtils.getLogger();
    private final PackOutput.PathProvider pathProvider;
    private final Set<ResourceKey<LootTable>> requiredTables;
    private final List<LootTableProvider.SubProviderEntry> subProviders;
    private final CompletableFuture<HolderLookup.Provider> registries;
 
    public LootTableProvider(
        PackOutput output,
        Set<ResourceKey<LootTable>> requiredTables,
        List<LootTableProvider.SubProviderEntry> subProviders,
        CompletableFuture<HolderLookup.Provider> registries
    ) {
        this.pathProvider = output.createRegistryElementsPathProvider(Registries.LOOT_TABLE);
        this.subProviders = subProviders;
        this.requiredTables = requiredTables;
        this.registries = registries;
    }
 
    @Override
    public CompletableFuture<?> run(CachedOutput cache) {
        return this.registries.thenCompose(registries -> this.run(cache, registries));
    }
 
    private CompletableFuture<?> run(CachedOutput cache, HolderLookup.Provider registries) {
        WritableRegistry<LootTable> tables = new MappedRegistry<>(Registries.LOOT_TABLE, Lifecycle.experimental());
        Map<RandomSupport.Seed128bit, Identifier> randomSequenceSeeds = new Object2ObjectOpenHashMap<>();
        this.subProviders.forEach(subProvider -> subProvider.provider().apply(registries).generate((id, lootTable) -> {
            Identifier sequenceId = sequenceIdForLootTable(id);
            Identifier previous = randomSequenceSeeds.put(RandomSequence.seedForKey(sequenceId), sequenceId);
            if (previous != null) {
                Util.logAndPauseIfInIde("Loot table random sequence seed collision on " + previous + " and " + id.identifier());
            }
 
            lootTable.setRandomSequence(sequenceId);
            LootTable table = lootTable.setParamSet(subProvider.paramSet).build();
            tables.register(id, table, RegistrationInfo.BUILT_IN);
        }));
        tables.freeze();
        ProblemReporter.Collector problems = new ProblemReporter.Collector();
        HolderGetter.Provider validationProvider = new RegistryAccess.ImmutableRegistryAccess(List.of(tables)).freeze();
        ValidationContextSource validationContext = new ValidationContextSource(problems, validationProvider);
 
        for (ResourceKey<LootTable> missingTable : Sets.difference(this.requiredTables, tables.registryKeySet())) {
            problems.report(new LootTableProvider.MissingTableProblem(missingTable));
        }
 
        LootDataType.TABLE.runValidation(validationContext, tables);
        if (!problems.isEmpty()) {
            problems.forEach((id, problem) -> LOGGER.warn("Found validation problem in {}: {}", id, problem.description()));
            throw new IllegalStateException("Failed to validate loot tables, see logs");
        } else {
            return CompletableFuture.allOf(tables.entrySet().stream().<CompletableFuture<?>>map(entry -> {
                ResourceKey<LootTable> id = entry.getKey();
                LootTable table = entry.getValue();
                Path path = this.pathProvider.json(id.identifier());
                return DataProvider.saveStable(cache, registries, LootTable.DIRECT_CODEC, table, path);
            }).toArray(CompletableFuture[]::new));
        }
    }
 
    private static Identifier sequenceIdForLootTable(ResourceKey<LootTable> id) {
        return id.identifier();
    }
 
    @Override
    public final String getName() {
        return "Loot Tables";
    }
 
    public record MissingTableProblem(ResourceKey<LootTable> id) implements ProblemReporter.Problem {
        @Override
        public String description() {
            return "Missing built-in table: " + this.id.identifier();
        }
    }
 
    public record SubProviderEntry(Function<HolderLookup.Provider, LootTableSubProvider> provider, ContextKeySet paramSet) {
    }
}

引用的其他类

• HolderLookup

  • 引用位置: 参数/字段

• RegistryAccess

  • 引用位置: 方法调用/构造调用
  • 关联成员: ImmutableRegistryAccess(), RegistryAccess.ImmutableRegistryAccess()

• CachedOutput

  • 引用位置: 参数

• DataProvider

  • 引用位置: 实现/方法调用
  • 关联成员: DataProvider.saveStable()

• PackOutput

  • 引用位置: 参数/字段

• Identifier

  • 引用位置: 返回值

• ResourceKey

  • 引用位置: 参数/字段

• ProblemReporter

  • 引用位置: 方法调用/构造调用
  • 关联成员: Collector(), ProblemReporter.Collector()

• Util

  • 引用位置: 方法调用
  • 关联成员: Util.logAndPauseIfInIde()

• RandomSequence

  • 引用位置: 方法调用
  • 关联成员: RandomSequence.seedForKey()

• LootTable

  • 引用位置: 参数/字段

• ValidationContextSource

  • 引用位置: 构造调用
  • 关联成员: ValidationContextSource()