TheWildBackport/common/src/main/java/com/cursedcauldron/wildbackport/common/entities/brain/allay/StayCloseToTarget.java
2022-07-10 00:16:25 -04:00

39 lines
1.7 KiB
Java

package com.cursedcauldron.wildbackport.common.entities.brain.allay;
import com.cursedcauldron.wildbackport.common.utils.MobUtils;
import com.google.common.collect.ImmutableMap;
import net.minecraft.server.level.ServerLevel;
import net.minecraft.world.entity.LivingEntity;
import net.minecraft.world.entity.ai.behavior.Behavior;
import net.minecraft.world.entity.ai.behavior.PositionTracker;
import net.minecraft.world.entity.ai.memory.MemoryModuleType;
import net.minecraft.world.entity.ai.memory.MemoryStatus;
import java.util.Optional;
import java.util.function.Function;
public class StayCloseToTarget<E extends LivingEntity> extends Behavior<E> {
private final Function<LivingEntity, Optional<PositionTracker>> targetPosition;
private final int closeEnough;
private final int tooFar;
private final float speedModifier;
public StayCloseToTarget(Function<LivingEntity, Optional<PositionTracker>> targetPosition, int closeEnough, int tooFar, float speedModifier) {
super(ImmutableMap.of(MemoryModuleType.WALK_TARGET, MemoryStatus.VALUE_ABSENT));
this.targetPosition = targetPosition;
this.closeEnough = closeEnough;
this.tooFar = tooFar;
this.speedModifier = speedModifier;
}
@Override
protected boolean checkExtraStartConditions(ServerLevel level, E entity) {
Optional<PositionTracker> tracker = this.targetPosition.apply(entity);
return tracker.isPresent() && !entity.position().closerThan(tracker.get().currentPosition(), this.tooFar);
}
@Override
protected void start(ServerLevel level, E entity, long time) {
MobUtils.setWalkAndLookTargetMemories(entity, this.targetPosition.apply(entity).get(), this.speedModifier, this.closeEnough);
}
}