65 lines
2.9 KiB
Java
65 lines
2.9 KiB
Java
package com.cursedcauldron.wildbackport.common.entities.brain.warden;
|
|
|
|
import com.google.common.collect.ImmutableMap;
|
|
import net.minecraft.server.level.ServerLevel;
|
|
import net.minecraft.world.entity.LivingEntity;
|
|
import net.minecraft.world.entity.Mob;
|
|
import net.minecraft.world.entity.ai.behavior.Behavior;
|
|
import net.minecraft.world.entity.ai.memory.MemoryModuleType;
|
|
import net.minecraft.world.entity.ai.memory.MemoryStatus;
|
|
|
|
import java.util.Optional;
|
|
import java.util.function.BiConsumer;
|
|
import java.util.function.Predicate;
|
|
|
|
public class ForgetAttackTarget<E extends Mob> extends Behavior<E> {
|
|
private final Predicate<LivingEntity> alternativeCondition;
|
|
private final BiConsumer<E, LivingEntity> forgetCallback;
|
|
private final boolean shouldForgetIfTargetUnreachable;
|
|
|
|
public ForgetAttackTarget(Predicate<LivingEntity> alternativeCondition, BiConsumer<E, LivingEntity> forgetCallback, boolean shouldForgetIfTargetUnreachable) {
|
|
super(ImmutableMap.of(MemoryModuleType.ATTACK_TARGET, MemoryStatus.VALUE_PRESENT, MemoryModuleType.CANT_REACH_WALK_TARGET_SINCE, MemoryStatus.REGISTERED));
|
|
this.alternativeCondition = alternativeCondition;
|
|
this.forgetCallback = forgetCallback;
|
|
this.shouldForgetIfTargetUnreachable = shouldForgetIfTargetUnreachable;
|
|
}
|
|
|
|
@Override
|
|
protected void start(ServerLevel level, E entity, long time) {
|
|
LivingEntity target = this.getAttackTarget(entity);
|
|
if (!entity.canAttack(target)) {
|
|
this.forgetAttackTarget(entity);
|
|
} else if (this.shouldForgetIfTargetUnreachable && cannotReachTarget(entity)) {
|
|
this.forgetAttackTarget(entity);
|
|
} else if (this.isAttackTargetDead(entity)) {
|
|
this.forgetAttackTarget(entity);
|
|
} else if (this.isAttackTargetInAnotherWorld(entity)) {
|
|
this.forgetAttackTarget(entity);
|
|
} else if (this.alternativeCondition.test(this.getAttackTarget(entity))) {
|
|
this.forgetAttackTarget(entity);
|
|
}
|
|
}
|
|
|
|
private boolean isAttackTargetInAnotherWorld(E entity) {
|
|
return this.getAttackTarget(entity).level != entity.level;
|
|
}
|
|
|
|
private LivingEntity getAttackTarget(E entity) {
|
|
return entity.getBrain().getMemory(MemoryModuleType.ATTACK_TARGET).get();
|
|
}
|
|
|
|
private static <E extends LivingEntity> boolean cannotReachTarget(E entity) {
|
|
Optional<Long> time = entity.getBrain().getMemory(MemoryModuleType.CANT_REACH_WALK_TARGET_SINCE);
|
|
return time.isPresent() && entity.level.getGameTime() - time.get() > 200L;
|
|
}
|
|
|
|
private boolean isAttackTargetDead(E entity) {
|
|
Optional<LivingEntity> target = entity.getBrain().getMemory(MemoryModuleType.ATTACK_TARGET);
|
|
return target.isPresent() && !target.get().isAlive();
|
|
}
|
|
|
|
protected void forgetAttackTarget(E entity) {
|
|
this.forgetCallback.accept(entity, this.getAttackTarget(entity));
|
|
entity.getBrain().eraseMemory(MemoryModuleType.ATTACK_TARGET);
|
|
}
|
|
} |