113 lines
4.7 KiB
Java
113 lines
4.7 KiB
Java
package net.minecraft.world.entity.monster.creaking;
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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.server.level.ServerLevel;
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import net.minecraft.util.valueproviders.UniformInt;
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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.behavior.DoNothing;
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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.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.Swim;
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import net.minecraft.world.entity.ai.memory.MemoryModuleType;
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import net.minecraft.world.entity.ai.memory.MemoryStatus;
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import net.minecraft.world.entity.ai.sensing.Sensor;
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import net.minecraft.world.entity.ai.sensing.SensorType;
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import net.minecraft.world.entity.player.Player;
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import net.minecraft.world.entity.schedule.Activity;
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public class CreakingAi {
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protected static final ImmutableList<? extends SensorType<? extends Sensor<? super Creaking>>> SENSOR_TYPES = ImmutableList.of(
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SensorType.NEAREST_LIVING_ENTITIES, SensorType.NEAREST_PLAYERS
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);
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protected static final ImmutableList<? extends MemoryModuleType<?>> MEMORY_TYPES = ImmutableList.of(
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MemoryModuleType.NEAREST_LIVING_ENTITIES,
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MemoryModuleType.NEAREST_VISIBLE_LIVING_ENTITIES,
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MemoryModuleType.NEAREST_VISIBLE_PLAYER,
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MemoryModuleType.NEAREST_VISIBLE_ATTACKABLE_PLAYER,
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MemoryModuleType.NEAREST_VISIBLE_ATTACKABLE_PLAYERS,
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MemoryModuleType.LOOK_TARGET,
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MemoryModuleType.WALK_TARGET,
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MemoryModuleType.CANT_REACH_WALK_TARGET_SINCE,
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MemoryModuleType.PATH,
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MemoryModuleType.ATTACK_TARGET,
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MemoryModuleType.ATTACK_COOLING_DOWN
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);
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static void initCoreActivity(Brain<Creaking> brain) {
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brain.addActivity(Activity.CORE, 0, ImmutableList.of(new Swim<Creaking>(0.8F) {
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protected boolean checkExtraStartConditions(ServerLevel serverLevel, Creaking creaking) {
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return creaking.canMove() && super.checkExtraStartConditions(serverLevel, (LivingEntity)creaking);
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}
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}, new LookAtTargetSink(45, 90), new MoveToTargetSink()));
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}
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static void initIdleActivity(Brain<Creaking> 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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StartAttacking.create(
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(serverLevel, creaking) -> creaking.isActive(),
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(serverLevel, creaking) -> creaking.getBrain().getMemory(MemoryModuleType.NEAREST_VISIBLE_ATTACKABLE_PLAYER)
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),
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SetEntityLookTargetSometimes.create(8.0F, UniformInt.of(30, 60)),
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new RunOne<>(
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ImmutableList.of(Pair.of(RandomStroll.stroll(0.3F), 2), Pair.of(SetWalkTargetFromLookTarget.create(0.3F, 3), 2), Pair.of(new DoNothing(30, 60), 1))
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)
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)
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);
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}
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static void initFightActivity(Creaking creaking, Brain<Creaking> brain) {
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brain.addActivityWithConditions(
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Activity.FIGHT,
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10,
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ImmutableList.of(
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SetWalkTargetFromAttackTargetIfTargetOutOfReach.create(1.0F),
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MeleeAttack.create(Creaking::canMove, 40),
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StopAttackingIfTargetInvalid.create((serverLevel, livingEntity) -> !isAttackTargetStillReachable(creaking, livingEntity))
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),
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ImmutableSet.of(Pair.of(MemoryModuleType.ATTACK_TARGET, MemoryStatus.VALUE_PRESENT))
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);
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}
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private static boolean isAttackTargetStillReachable(Creaking creaking, LivingEntity target) {
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Optional<List<Player>> optional = creaking.getBrain().getMemory(MemoryModuleType.NEAREST_VISIBLE_ATTACKABLE_PLAYERS);
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return (Boolean)optional.map(list -> target instanceof Player player && list.contains(player)).orElse(false);
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}
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public static Brain.Provider<Creaking> brainProvider() {
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return Brain.provider(MEMORY_TYPES, SENSOR_TYPES);
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}
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public static Brain<Creaking> makeBrain(Creaking creaking, Brain<Creaking> brain) {
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initCoreActivity(brain);
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initIdleActivity(brain);
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initFightActivity(creaking, 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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public static void updateActivity(Creaking creaking) {
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if (!creaking.canMove()) {
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creaking.getBrain().useDefaultActivity();
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} else {
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creaking.getBrain().setActiveActivityToFirstValid(ImmutableList.of(Activity.FIGHT, Activity.IDLE));
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}
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}
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}
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