package net.minecraft.world.level.storage.loot.predicates;

import com.mojang.serialization.MapCodec;
import java.util.Set;
import net.minecraft.util.context.ContextKey;
import net.minecraft.world.level.storage.loot.LootContext;
import net.minecraft.world.level.storage.loot.parameters.LootContextParams;

public class LootItemKilledByPlayerCondition implements LootItemCondition {
	private static final LootItemKilledByPlayerCondition INSTANCE = new LootItemKilledByPlayerCondition();
	public static final MapCodec<LootItemKilledByPlayerCondition> MAP_CODEC = MapCodec.unit(INSTANCE);

	private LootItemKilledByPlayerCondition() {
	}

	@Override
	public MapCodec<LootItemKilledByPlayerCondition> codec() {
		return MAP_CODEC;
	}

	@Override
	public Set<ContextKey<?>> getReferencedContextParams() {
		return Set.of(LootContextParams.LAST_DAMAGE_PLAYER);
	}

	public boolean test(final LootContext context) {
		return context.hasParameter(LootContextParams.LAST_DAMAGE_PLAYER);
	}

	public static LootItemCondition.Builder killedByPlayer() {
		return () -> INSTANCE;
	}
}