minecraft-src/net/minecraft/advancements/critereon/ItemUsedOnLocationTrigger.java
2025-07-04 02:00:41 +03:00

91 lines
5 KiB
Java

package net.minecraft.advancements.critereon;
import com.mojang.serialization.Codec;
import com.mojang.serialization.codecs.RecordCodecBuilder;
import java.util.Arrays;
import java.util.Optional;
import net.minecraft.advancements.CriteriaTriggers;
import net.minecraft.advancements.Criterion;
import net.minecraft.advancements.critereon.LocationPredicate.Builder;
import net.minecraft.advancements.critereon.SimpleCriterionTrigger.SimpleInstance;
import net.minecraft.core.BlockPos;
import net.minecraft.server.level.ServerLevel;
import net.minecraft.server.level.ServerPlayer;
import net.minecraft.world.item.ItemStack;
import net.minecraft.world.level.block.Block;
import net.minecraft.world.level.block.state.BlockState;
import net.minecraft.world.level.storage.loot.LootContext;
import net.minecraft.world.level.storage.loot.LootParams;
import net.minecraft.world.level.storage.loot.parameters.LootContextParamSets;
import net.minecraft.world.level.storage.loot.parameters.LootContextParams;
import net.minecraft.world.level.storage.loot.predicates.LocationCheck;
import net.minecraft.world.level.storage.loot.predicates.LootItemBlockStatePropertyCondition;
import net.minecraft.world.level.storage.loot.predicates.LootItemCondition;
import net.minecraft.world.level.storage.loot.predicates.MatchTool;
public class ItemUsedOnLocationTrigger extends SimpleCriterionTrigger<ItemUsedOnLocationTrigger.TriggerInstance> {
@Override
public Codec<ItemUsedOnLocationTrigger.TriggerInstance> codec() {
return ItemUsedOnLocationTrigger.TriggerInstance.CODEC;
}
public void trigger(ServerPlayer player, BlockPos pos, ItemStack stack) {
ServerLevel serverLevel = player.serverLevel();
BlockState blockState = serverLevel.getBlockState(pos);
LootParams lootParams = new LootParams.Builder(serverLevel)
.withParameter(LootContextParams.ORIGIN, pos.getCenter())
.withParameter(LootContextParams.THIS_ENTITY, player)
.withParameter(LootContextParams.BLOCK_STATE, blockState)
.withParameter(LootContextParams.TOOL, stack)
.create(LootContextParamSets.ADVANCEMENT_LOCATION);
LootContext lootContext = new LootContext.Builder(lootParams).create(Optional.empty());
this.trigger(player, triggerInstance -> triggerInstance.matches(lootContext));
}
public record TriggerInstance(Optional<ContextAwarePredicate> player, Optional<ContextAwarePredicate> location) implements SimpleInstance {
public static final Codec<ItemUsedOnLocationTrigger.TriggerInstance> CODEC = RecordCodecBuilder.create(
instance -> instance.group(
EntityPredicate.ADVANCEMENT_CODEC.optionalFieldOf("player").forGetter(ItemUsedOnLocationTrigger.TriggerInstance::player),
ContextAwarePredicate.CODEC.optionalFieldOf("location").forGetter(ItemUsedOnLocationTrigger.TriggerInstance::location)
)
.apply(instance, ItemUsedOnLocationTrigger.TriggerInstance::new)
);
public static Criterion<ItemUsedOnLocationTrigger.TriggerInstance> placedBlock(Block block) {
ContextAwarePredicate contextAwarePredicate = ContextAwarePredicate.create(LootItemBlockStatePropertyCondition.hasBlockStateProperties(block).build());
return CriteriaTriggers.PLACED_BLOCK.createCriterion(new ItemUsedOnLocationTrigger.TriggerInstance(Optional.empty(), Optional.of(contextAwarePredicate)));
}
public static Criterion<ItemUsedOnLocationTrigger.TriggerInstance> placedBlock(LootItemCondition.Builder... conditions) {
ContextAwarePredicate contextAwarePredicate = ContextAwarePredicate.create(
(LootItemCondition[])Arrays.stream(conditions).map(LootItemCondition.Builder::build).toArray(LootItemCondition[]::new)
);
return CriteriaTriggers.PLACED_BLOCK.createCriterion(new ItemUsedOnLocationTrigger.TriggerInstance(Optional.empty(), Optional.of(contextAwarePredicate)));
}
private static ItemUsedOnLocationTrigger.TriggerInstance itemUsedOnLocation(Builder location, ItemPredicate.Builder tool) {
ContextAwarePredicate contextAwarePredicate = ContextAwarePredicate.create(
LocationCheck.checkLocation(location).build(), MatchTool.toolMatches(tool).build()
);
return new ItemUsedOnLocationTrigger.TriggerInstance(Optional.empty(), Optional.of(contextAwarePredicate));
}
public static Criterion<ItemUsedOnLocationTrigger.TriggerInstance> itemUsedOnBlock(Builder location, ItemPredicate.Builder tool) {
return CriteriaTriggers.ITEM_USED_ON_BLOCK.createCriterion(itemUsedOnLocation(location, tool));
}
public static Criterion<ItemUsedOnLocationTrigger.TriggerInstance> allayDropItemOnBlock(Builder location, ItemPredicate.Builder tool) {
return CriteriaTriggers.ALLAY_DROP_ITEM_ON_BLOCK.createCriterion(itemUsedOnLocation(location, tool));
}
public boolean matches(LootContext context) {
return this.location.isEmpty() || ((ContextAwarePredicate)this.location.get()).matches(context);
}
@Override
public void validate(CriterionValidator validator) {
SimpleInstance.super.validate(validator);
this.location.ifPresent(contextAwarePredicate -> validator.validate(contextAwarePredicate, LootContextParamSets.ADVANCEMENT_LOCATION, ".location"));
}
}
}