31 lines
1.4 KiB
Java
31 lines
1.4 KiB
Java
package net.minecraft.world.entity.ai.sensing;
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import com.google.common.collect.ImmutableSet;
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import java.util.Comparator;
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import java.util.List;
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import java.util.Set;
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import net.minecraft.server.level.ServerLevel;
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import net.minecraft.world.entity.LivingEntity;
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import net.minecraft.world.entity.ai.Brain;
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import net.minecraft.world.entity.ai.attributes.Attributes;
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import net.minecraft.world.entity.ai.memory.MemoryModuleType;
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import net.minecraft.world.entity.ai.memory.NearestVisibleLivingEntities;
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import net.minecraft.world.phys.AABB;
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public class NearestLivingEntitySensor<T extends LivingEntity> extends Sensor<T> {
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@Override
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protected void doTick(ServerLevel level, T entity) {
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double d = entity.getAttributeValue(Attributes.FOLLOW_RANGE);
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AABB aABB = entity.getBoundingBox().inflate(d, d, d);
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List<LivingEntity> list = level.getEntitiesOfClass(LivingEntity.class, aABB, livingEntity2 -> livingEntity2 != entity && livingEntity2.isAlive());
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list.sort(Comparator.comparingDouble(entity::distanceToSqr));
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Brain<?> brain = entity.getBrain();
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brain.setMemory(MemoryModuleType.NEAREST_LIVING_ENTITIES, list);
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brain.setMemory(MemoryModuleType.NEAREST_VISIBLE_LIVING_ENTITIES, new NearestVisibleLivingEntities(level, entity, list));
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}
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@Override
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public Set<MemoryModuleType<?>> requires() {
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return ImmutableSet.of(MemoryModuleType.NEAREST_LIVING_ENTITIES, MemoryModuleType.NEAREST_VISIBLE_LIVING_ENTITIES);
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}
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}
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