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package net.minecraft.data.loot;
import com.google.common.collect.Maps;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Locale;
import java.util.Map;
import java.util.Optional;
import java.util.Set;
import java.util.Map.Entry;
import java.util.function.BiConsumer;
import java.util.stream.Collectors;
import net.minecraft.advancements.critereon.DamageSourcePredicate;
import net.minecraft.advancements.critereon.EnchantmentPredicate;
import net.minecraft.advancements.critereon.EntityEquipmentPredicate;
import net.minecraft.advancements.critereon.EntityFlagsPredicate;
import net.minecraft.advancements.critereon.EntityPredicate;
import net.minecraft.advancements.critereon.EntitySubPredicates;
import net.minecraft.advancements.critereon.ItemEnchantmentsPredicate;
import net.minecraft.advancements.critereon.ItemPredicate;
import net.minecraft.advancements.critereon.ItemSubPredicates;
import net.minecraft.advancements.critereon.MinMaxBounds;
import net.minecraft.advancements.critereon.SheepPredicate;
import net.minecraft.core.Holder;
import net.minecraft.core.HolderGetter;
import net.minecraft.core.HolderLookup;
import net.minecraft.core.registries.BuiltInRegistries;
import net.minecraft.core.registries.Registries;
import net.minecraft.resources.ResourceKey;
import net.minecraft.tags.EnchantmentTags;
import net.minecraft.world.entity.EntityType;
import net.minecraft.world.entity.animal.FrogVariant;
import net.minecraft.world.flag.FeatureFlagSet;
import net.minecraft.world.item.DyeColor;
import net.minecraft.world.item.enchantment.Enchantment;
import net.minecraft.world.level.storage.loot.LootContext;
import net.minecraft.world.level.storage.loot.LootPool;
import net.minecraft.world.level.storage.loot.LootTable;
import net.minecraft.world.level.storage.loot.entries.AlternativesEntry;
import net.minecraft.world.level.storage.loot.entries.NestedLootTable;
import net.minecraft.world.level.storage.loot.predicates.AnyOfCondition;
import net.minecraft.world.level.storage.loot.predicates.DamageSourceCondition;
import net.minecraft.world.level.storage.loot.predicates.LootItemCondition;
import net.minecraft.world.level.storage.loot.predicates.LootItemEntityPropertyCondition;
public abstract class EntityLootSubProvider implements LootTableSubProvider {
protected final HolderLookup.Provider registries;
private final FeatureFlagSet allowed;
private final FeatureFlagSet required;
private final Map<EntityType<?>, Map<ResourceKey<LootTable>, LootTable.Builder>> map = Maps.newHashMap();
protected final AnyOfCondition.Builder shouldSmeltLoot() {
HolderLookup.RegistryLookup<Enchantment> registrylookup = this.registries.lookupOrThrow(Registries.ENCHANTMENT);
return AnyOfCondition.anyOf(
LootItemEntityPropertyCondition.hasProperties(
LootContext.EntityTarget.THIS, EntityPredicate.Builder.entity().flags(EntityFlagsPredicate.Builder.flags().setOnFire(true))
),
LootItemEntityPropertyCondition.hasProperties(
LootContext.EntityTarget.DIRECT_ATTACKER,
EntityPredicate.Builder.entity()
.equipment(
EntityEquipmentPredicate.Builder.equipment()
.mainhand(
ItemPredicate.Builder.item()
.withSubPredicate(
ItemSubPredicates.ENCHANTMENTS,
ItemEnchantmentsPredicate.enchantments(
List.of(new EnchantmentPredicate(registrylookup.getOrThrow(EnchantmentTags.SMELTS_LOOT), MinMaxBounds.Ints.ANY))
)
)
)
)
)
);
}
protected EntityLootSubProvider(FeatureFlagSet p_251971_, HolderLookup.Provider p_343057_) {
this(p_251971_, p_251971_, p_343057_);
}
protected EntityLootSubProvider(FeatureFlagSet p_266989_, FeatureFlagSet p_267138_, HolderLookup.Provider p_342748_) {
this.allowed = p_266989_;
this.required = p_267138_;
this.registries = p_342748_;
}
public static LootPool.Builder createSheepDispatchPool(Map<DyeColor, ResourceKey<LootTable>> p_362310_) {
AlternativesEntry.Builder alternativesentry$builder = AlternativesEntry.alternatives();
for (Entry<DyeColor, ResourceKey<LootTable>> entry : p_362310_.entrySet()) {
alternativesentry$builder = alternativesentry$builder.otherwise(
NestedLootTable.lootTableReference(entry.getValue())
.when(
LootItemEntityPropertyCondition.hasProperties(
LootContext.EntityTarget.THIS, EntityPredicate.Builder.entity().subPredicate(SheepPredicate.hasWool(entry.getKey()))
)
)
);
}
return LootPool.lootPool().add(alternativesentry$builder);
}
public abstract void generate();
@Override
public void generate(BiConsumer<ResourceKey<LootTable>, LootTable.Builder> p_251751_) {
this.generate();
Set<ResourceKey<LootTable>> set = new HashSet<>();
BuiltInRegistries.ENTITY_TYPE
.listElements()
.forEach(
p_358214_ -> {
EntityType<?> entitytype = p_358214_.value();
if (entitytype.isEnabled(this.allowed)) {
Optional<ResourceKey<LootTable>> optional = entitytype.getDefaultLootTable();
if (optional.isPresent()) {
Map<ResourceKey<LootTable>, LootTable.Builder> map = this.map.remove(entitytype);
if (entitytype.isEnabled(this.required) && (map == null || !map.containsKey(optional.get()))) {
throw new IllegalStateException(
String.format(Locale.ROOT, "Missing loottable '%s' for '%s'", optional.get(), p_358214_.key().location())
);
}
if (map != null) {
map.forEach(
(p_329509_, p_250972_) -> {
if (!set.add((ResourceKey<LootTable>)p_329509_)) {
throw new IllegalStateException(
String.format(Locale.ROOT, "Duplicate loottable '%s' for '%s'", p_329509_, p_358214_.key().location())
);
} else {
p_251751_.accept((ResourceKey<LootTable>)p_329509_, p_250972_);
}
}
);
}
} else {
Map<ResourceKey<LootTable>, LootTable.Builder> map1 = this.map.remove(entitytype);
if (map1 != null) {
throw new IllegalStateException(
String.format(
Locale.ROOT,
"Weird loottables '%s' for '%s', not a LivingEntity so should not have loot",
map1.keySet().stream().map(p_325849_ -> p_325849_.location().toString()).collect(Collectors.joining(",")),
p_358214_.key().location()
)
);
}
}
}
}
);
if (!this.map.isEmpty()) {
throw new IllegalStateException("Created loot tables for entities not supported by datapack: " + this.map.keySet());
}
}
protected LootItemCondition.Builder killedByFrog(HolderGetter<EntityType<?>> p_369169_) {
return DamageSourceCondition.hasDamageSource(
DamageSourcePredicate.Builder.damageType().source(EntityPredicate.Builder.entity().of(p_369169_, EntityType.FROG))
);
}
protected LootItemCondition.Builder killedByFrogVariant(HolderGetter<EntityType<?>> p_364902_, ResourceKey<FrogVariant> p_330466_) {
return DamageSourceCondition.hasDamageSource(
DamageSourcePredicate.Builder.damageType()
.source(
EntityPredicate.Builder.entity()
.of(p_364902_, EntityType.FROG)
.subPredicate(EntitySubPredicates.frogVariant(BuiltInRegistries.FROG_VARIANT.getOrThrow(p_330466_)))
)
);
}
protected void add(EntityType<?> p_248740_, LootTable.Builder p_249440_) {
this.add(p_248740_, p_248740_.getDefaultLootTable().orElseThrow(() -> new IllegalStateException("Entity " + p_248740_ + " has no loot table")), p_249440_);
}
protected void add(EntityType<?> p_252130_, ResourceKey<LootTable> p_332898_, LootTable.Builder p_249357_) {
this.map.computeIfAbsent(p_252130_, p_251466_ -> new HashMap<>()).put(p_332898_, p_249357_);
}
} |