262 lines
11 KiB
Java
262 lines
11 KiB
Java
package net.minecraft.world.entity.monster.hoglin;
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import com.google.common.collect.ImmutableList;
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import com.google.common.collect.ImmutableSet;
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import com.mojang.datafixers.util.Pair;
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import java.util.List;
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import java.util.Optional;
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import net.minecraft.core.BlockPos;
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import net.minecraft.server.level.ServerLevel;
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import net.minecraft.sounds.SoundEvent;
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import net.minecraft.sounds.SoundEvents;
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import net.minecraft.util.TimeUtil;
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import net.minecraft.util.valueproviders.UniformInt;
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import net.minecraft.world.entity.AgeableMob;
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import net.minecraft.world.entity.EntityType;
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import net.minecraft.world.entity.LivingEntity;
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import net.minecraft.world.entity.PathfinderMob;
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import net.minecraft.world.entity.ai.Brain;
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import net.minecraft.world.entity.ai.behavior.AnimalMakeLove;
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import net.minecraft.world.entity.ai.behavior.BabyFollowAdult;
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import net.minecraft.world.entity.ai.behavior.BecomePassiveIfMemoryPresent;
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import net.minecraft.world.entity.ai.behavior.BehaviorUtils;
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import net.minecraft.world.entity.ai.behavior.DoNothing;
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import net.minecraft.world.entity.ai.behavior.EraseMemoryIf;
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import net.minecraft.world.entity.ai.behavior.LookAtTargetSink;
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import net.minecraft.world.entity.ai.behavior.MeleeAttack;
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import net.minecraft.world.entity.ai.behavior.MoveToTargetSink;
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import net.minecraft.world.entity.ai.behavior.RandomStroll;
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import net.minecraft.world.entity.ai.behavior.RunOne;
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import net.minecraft.world.entity.ai.behavior.SetEntityLookTargetSometimes;
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import net.minecraft.world.entity.ai.behavior.SetWalkTargetAwayFrom;
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import net.minecraft.world.entity.ai.behavior.SetWalkTargetFromAttackTargetIfTargetOutOfReach;
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import net.minecraft.world.entity.ai.behavior.SetWalkTargetFromLookTarget;
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import net.minecraft.world.entity.ai.behavior.StartAttacking;
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import net.minecraft.world.entity.ai.behavior.StopAttackingIfTargetInvalid;
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import net.minecraft.world.entity.ai.behavior.declarative.BehaviorBuilder;
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import net.minecraft.world.entity.ai.memory.MemoryModuleType;
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import net.minecraft.world.entity.ai.sensing.Sensor;
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import net.minecraft.world.entity.schedule.Activity;
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public class HoglinAi {
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public static final int REPELLENT_DETECTION_RANGE_HORIZONTAL = 8;
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public static final int REPELLENT_DETECTION_RANGE_VERTICAL = 4;
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private static final UniformInt RETREAT_DURATION = TimeUtil.rangeOfSeconds(5, 20);
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private static final int ATTACK_DURATION = 200;
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private static final int DESIRED_DISTANCE_FROM_PIGLIN_WHEN_IDLING = 8;
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private static final int DESIRED_DISTANCE_FROM_PIGLIN_WHEN_RETREATING = 15;
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private static final int ATTACK_INTERVAL = 40;
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private static final int BABY_ATTACK_INTERVAL = 15;
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private static final int REPELLENT_PACIFY_TIME = 200;
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private static final UniformInt ADULT_FOLLOW_RANGE = UniformInt.of(5, 16);
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private static final float SPEED_MULTIPLIER_WHEN_AVOIDING_REPELLENT = 1.0F;
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private static final float SPEED_MULTIPLIER_WHEN_RETREATING = 1.3F;
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private static final float SPEED_MULTIPLIER_WHEN_MAKING_LOVE = 0.6F;
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private static final float SPEED_MULTIPLIER_WHEN_IDLING = 0.4F;
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private static final float SPEED_MULTIPLIER_WHEN_FOLLOWING_ADULT = 0.6F;
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protected static Brain<?> makeBrain(Brain<Hoglin> brain) {
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initCoreActivity(brain);
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initIdleActivity(brain);
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initFightActivity(brain);
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initRetreatActivity(brain);
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brain.setCoreActivities(ImmutableSet.of(Activity.CORE));
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brain.setDefaultActivity(Activity.IDLE);
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brain.useDefaultActivity();
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return brain;
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}
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private static void initCoreActivity(Brain<Hoglin> brain) {
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brain.addActivity(Activity.CORE, 0, ImmutableList.of(new LookAtTargetSink(45, 90), new MoveToTargetSink()));
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}
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private static void initIdleActivity(Brain<Hoglin> brain) {
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brain.addActivity(
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Activity.IDLE,
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10,
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ImmutableList.of(
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BecomePassiveIfMemoryPresent.create(MemoryModuleType.NEAREST_REPELLENT, 200),
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new AnimalMakeLove(EntityType.HOGLIN, 0.6F, 2),
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SetWalkTargetAwayFrom.pos(MemoryModuleType.NEAREST_REPELLENT, 1.0F, 8, true),
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StartAttacking.create(HoglinAi::findNearestValidAttackTarget),
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BehaviorBuilder.triggerIf(Hoglin::isAdult, SetWalkTargetAwayFrom.entity(MemoryModuleType.NEAREST_VISIBLE_ADULT_PIGLIN, 0.4F, 8, false)),
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SetEntityLookTargetSometimes.create(8.0F, UniformInt.of(30, 60)),
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BabyFollowAdult.create(ADULT_FOLLOW_RANGE, 0.6F),
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createIdleMovementBehaviors()
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)
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);
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}
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private static void initFightActivity(Brain<Hoglin> brain) {
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brain.addActivityAndRemoveMemoryWhenStopped(
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Activity.FIGHT,
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10,
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ImmutableList.of(
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BecomePassiveIfMemoryPresent.create(MemoryModuleType.NEAREST_REPELLENT, 200),
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new AnimalMakeLove(EntityType.HOGLIN, 0.6F, 2),
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SetWalkTargetFromAttackTargetIfTargetOutOfReach.create(1.0F),
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BehaviorBuilder.triggerIf(Hoglin::isAdult, MeleeAttack.create(40)),
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BehaviorBuilder.triggerIf(AgeableMob::isBaby, MeleeAttack.create(15)),
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StopAttackingIfTargetInvalid.create(),
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EraseMemoryIf.create(HoglinAi::isBreeding, MemoryModuleType.ATTACK_TARGET)
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),
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MemoryModuleType.ATTACK_TARGET
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);
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}
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private static void initRetreatActivity(Brain<Hoglin> brain) {
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brain.addActivityAndRemoveMemoryWhenStopped(
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Activity.AVOID,
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10,
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ImmutableList.of(
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SetWalkTargetAwayFrom.entity(MemoryModuleType.AVOID_TARGET, 1.3F, 15, false),
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createIdleMovementBehaviors(),
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SetEntityLookTargetSometimes.create(8.0F, UniformInt.of(30, 60)),
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EraseMemoryIf.<PathfinderMob>create(HoglinAi::wantsToStopFleeing, MemoryModuleType.AVOID_TARGET)
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),
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MemoryModuleType.AVOID_TARGET
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);
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}
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private static RunOne<Hoglin> createIdleMovementBehaviors() {
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return new RunOne<>(
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ImmutableList.of(Pair.of(RandomStroll.stroll(0.4F), 2), Pair.of(SetWalkTargetFromLookTarget.create(0.4F, 3), 2), Pair.of(new DoNothing(30, 60), 1))
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);
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}
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protected static void updateActivity(Hoglin hoglin) {
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Brain<Hoglin> brain = hoglin.getBrain();
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Activity activity = (Activity)brain.getActiveNonCoreActivity().orElse(null);
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brain.setActiveActivityToFirstValid(ImmutableList.of(Activity.FIGHT, Activity.AVOID, Activity.IDLE));
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Activity activity2 = (Activity)brain.getActiveNonCoreActivity().orElse(null);
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if (activity != activity2) {
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getSoundForCurrentActivity(hoglin).ifPresent(hoglin::makeSound);
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}
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hoglin.setAggressive(brain.hasMemoryValue(MemoryModuleType.ATTACK_TARGET));
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}
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protected static void onHitTarget(Hoglin hoglin, LivingEntity target) {
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if (!hoglin.isBaby()) {
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if (target.getType() == EntityType.PIGLIN && piglinsOutnumberHoglins(hoglin)) {
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setAvoidTarget(hoglin, target);
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broadcastRetreat(hoglin, target);
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} else {
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broadcastAttackTarget(hoglin, target);
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}
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}
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}
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private static void broadcastRetreat(Hoglin hoglin, LivingEntity target) {
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getVisibleAdultHoglins(hoglin).forEach(hoglinx -> retreatFromNearestTarget(hoglinx, target));
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}
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private static void retreatFromNearestTarget(Hoglin hoglin, LivingEntity target) {
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Brain<Hoglin> brain = hoglin.getBrain();
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LivingEntity livingEntity = BehaviorUtils.getNearestTarget(hoglin, brain.getMemory(MemoryModuleType.AVOID_TARGET), target);
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livingEntity = BehaviorUtils.getNearestTarget(hoglin, brain.getMemory(MemoryModuleType.ATTACK_TARGET), livingEntity);
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setAvoidTarget(hoglin, livingEntity);
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}
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private static void setAvoidTarget(Hoglin hoglin, LivingEntity target) {
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hoglin.getBrain().eraseMemory(MemoryModuleType.ATTACK_TARGET);
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hoglin.getBrain().eraseMemory(MemoryModuleType.WALK_TARGET);
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hoglin.getBrain().setMemoryWithExpiry(MemoryModuleType.AVOID_TARGET, target, RETREAT_DURATION.sample(hoglin.level().random));
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}
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private static Optional<? extends LivingEntity> findNearestValidAttackTarget(ServerLevel level, Hoglin hoglin) {
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return !isPacified(hoglin) && !isBreeding(hoglin) ? hoglin.getBrain().getMemory(MemoryModuleType.NEAREST_VISIBLE_ATTACKABLE_PLAYER) : Optional.empty();
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}
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static boolean isPosNearNearestRepellent(Hoglin hoglin, BlockPos pos) {
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Optional<BlockPos> optional = hoglin.getBrain().getMemory(MemoryModuleType.NEAREST_REPELLENT);
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return optional.isPresent() && ((BlockPos)optional.get()).closerThan(pos, 8.0);
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}
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private static boolean wantsToStopFleeing(Hoglin hoglin) {
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return hoglin.isAdult() && !piglinsOutnumberHoglins(hoglin);
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}
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private static boolean piglinsOutnumberHoglins(Hoglin hoglin) {
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if (hoglin.isBaby()) {
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return false;
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} else {
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int i = (Integer)hoglin.getBrain().getMemory(MemoryModuleType.VISIBLE_ADULT_PIGLIN_COUNT).orElse(0);
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int j = (Integer)hoglin.getBrain().getMemory(MemoryModuleType.VISIBLE_ADULT_HOGLIN_COUNT).orElse(0) + 1;
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return i > j;
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}
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}
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protected static void wasHurtBy(ServerLevel level, Hoglin hoglin, LivingEntity entity) {
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Brain<Hoglin> brain = hoglin.getBrain();
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brain.eraseMemory(MemoryModuleType.PACIFIED);
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brain.eraseMemory(MemoryModuleType.BREED_TARGET);
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if (hoglin.isBaby()) {
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retreatFromNearestTarget(hoglin, entity);
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} else {
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maybeRetaliate(level, hoglin, entity);
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}
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}
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private static void maybeRetaliate(ServerLevel level, Hoglin hoglin, LivingEntity entity) {
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if (!hoglin.getBrain().isActive(Activity.AVOID) || entity.getType() != EntityType.PIGLIN) {
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if (entity.getType() != EntityType.HOGLIN) {
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if (!BehaviorUtils.isOtherTargetMuchFurtherAwayThanCurrentAttackTarget(hoglin, entity, 4.0)) {
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if (Sensor.isEntityAttackable(level, hoglin, entity)) {
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setAttackTarget(hoglin, entity);
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broadcastAttackTarget(hoglin, entity);
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}
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}
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}
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}
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}
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private static void setAttackTarget(Hoglin hoglin, LivingEntity target) {
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Brain<Hoglin> brain = hoglin.getBrain();
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brain.eraseMemory(MemoryModuleType.CANT_REACH_WALK_TARGET_SINCE);
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brain.eraseMemory(MemoryModuleType.BREED_TARGET);
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brain.setMemoryWithExpiry(MemoryModuleType.ATTACK_TARGET, target, 200L);
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}
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private static void broadcastAttackTarget(Hoglin hoglin, LivingEntity target) {
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getVisibleAdultHoglins(hoglin).forEach(hoglinx -> setAttackTargetIfCloserThanCurrent(hoglinx, target));
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}
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private static void setAttackTargetIfCloserThanCurrent(Hoglin hoglin, LivingEntity target) {
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if (!isPacified(hoglin)) {
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Optional<LivingEntity> optional = hoglin.getBrain().getMemory(MemoryModuleType.ATTACK_TARGET);
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LivingEntity livingEntity = BehaviorUtils.getNearestTarget(hoglin, optional, target);
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setAttackTarget(hoglin, livingEntity);
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}
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}
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public static Optional<SoundEvent> getSoundForCurrentActivity(Hoglin hoglin) {
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return hoglin.getBrain().getActiveNonCoreActivity().map(activity -> getSoundForActivity(hoglin, activity));
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}
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private static SoundEvent getSoundForActivity(Hoglin hoglin, Activity activity) {
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if (activity == Activity.AVOID || hoglin.isConverting()) {
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return SoundEvents.HOGLIN_RETREAT;
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} else if (activity == Activity.FIGHT) {
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return SoundEvents.HOGLIN_ANGRY;
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} else {
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return isNearRepellent(hoglin) ? SoundEvents.HOGLIN_RETREAT : SoundEvents.HOGLIN_AMBIENT;
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}
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}
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private static List<Hoglin> getVisibleAdultHoglins(Hoglin hoglin) {
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return (List<Hoglin>)hoglin.getBrain().getMemory(MemoryModuleType.NEAREST_VISIBLE_ADULT_HOGLINS).orElse(ImmutableList.of());
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}
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private static boolean isNearRepellent(Hoglin hoglin) {
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return hoglin.getBrain().hasMemoryValue(MemoryModuleType.NEAREST_REPELLENT);
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}
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private static boolean isBreeding(Hoglin hoglin) {
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return hoglin.getBrain().hasMemoryValue(MemoryModuleType.BREED_TARGET);
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}
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protected static boolean isPacified(Hoglin hoglin) {
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return hoglin.getBrain().hasMemoryValue(MemoryModuleType.PACIFIED);
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}
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}
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