Class Brain<E extends LivingEntity>

java.lang.Object

net.minecraft.world.entity.ai.Brain<E>

public class Brain<E extends LivingEntity>
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static interface	Brain.ActivitySupplier<E extends LivingEntity>
static final record	Brain.Packed
static final class	Brain.Provider<E extends LivingEntity>
static interface	Brain.Visitor

Field Summary

Fields

Modifier and Type	Field	Description
private final Set<Activity>	activeActivities
private final Map<Activity, Set<MemoryModuleType<?>>>	activityMemoriesToEraseWhenStopped
private final Map<Activity, Set<com.mojang.datafixers.util.Pair<MemoryModuleType<?>, MemoryStatus>>>	activityRequirements
private final Map<Integer, Map<Activity, Set<BehaviorControl<? super E>>>>	availableBehaviorsByPriority
private Set<Activity>	coreActivities
private Activity	defaultActivity
private long	lastScheduleUpdate
private final Map<MemoryModuleType<?>, MemorySlot<?>>	memories
private @Nullable EnvironmentAttribute<Activity>	schedule
private static final int	SCHEDULE_UPDATE_DELAY
private final Map<SensorType<? extends Sensor<? super E>>, Sensor<? super E>>	sensors

Constructor Summary

Constructors

Modifier	Constructor	Description
	Brain()
protected	Brain(Collection<? extends MemoryModuleType<?>> memoryTypes, Collection<? extends SensorType<? extends Sensor<? super E>>> sensorTypes, List<ActivityData<E>> activities, MemoryMap memories, RandomSource randomSource)

Method Summary

Modifier and Type	Method	Description
private boolean	activityRequirementsAreMet(Activity activity)
void	addActivity(Activity activity, ImmutableList<? extends com.mojang.datafixers.util.Pair<Integer, ? extends BehaviorControl<? super E>>> behaviorPriorityPairs, Set<com.mojang.datafixers.util.Pair<MemoryModuleType<?>, MemoryStatus>> conditions, Set<MemoryModuleType<?>> memoriesToEraseWhenStopped)
private static <U> void	callVisitor(Brain.Visitor visitor, MemoryModuleType<U> memoryModuleType, MemorySlot<?> slot)
boolean	checkMemory(MemoryModuleType<?> type, MemoryStatus status)
void	clearMemories()
private void	eraseMemoriesForOtherActivitesThan(Activity activity)
<U> void	eraseMemory(MemoryModuleType<U> type)
void	forEach(Brain.Visitor visitor)
private void	forgetOutdatedMemories()
Set<Activity>	getActiveActivities()	Deprecated.
Optional<Activity>	getActiveNonCoreActivity()
<U> Optional<U>	getMemory(MemoryModuleType<U> type)
<U> @Nullable Optional<U>	getMemoryInternal(MemoryModuleType<U> type)
private <T> MemorySlot<T>	getMemorySlot(MemoryModuleType<T> memoryType)
private <T> @Nullable MemorySlot<T>	getMemorySlotIfPresent(MemoryModuleType<T> memoryType)
List<BehaviorControl<? super E>>	getRunningBehaviors()	Deprecated.
<U> long	getTimeUntilExpiry(MemoryModuleType<U> type)
boolean	hasMemoryValue(MemoryModuleType<?> type)
boolean	isActive(Activity activity)
boolean	isBrainDead()
private static boolean	isEmptyCollection(Object object)
<U> boolean	isMemoryValue(MemoryModuleType<U> memoryType, U value)
Brain.Packed	pack()
static <E extends LivingEntity> Brain.Provider<E>	provider(Collection<? extends MemoryModuleType<?>> memoryTypes, Collection<? extends SensorType<? extends Sensor<? super E>>> sensorTypes, Brain.ActivitySupplier<E> activities)	Deprecated.
static <E extends LivingEntity> Brain.Provider<E>	provider(Collection<? extends SensorType<? extends Sensor<? super E>>> sensorTypes)
static <E extends LivingEntity> Brain.Provider<E>	provider(Collection<? extends SensorType<? extends Sensor<? super E>>> sensorTypes, Brain.ActivitySupplier<E> activities)
private void	registerMemory(MemoryModuleType<?> memoryType)
void	removeAllBehaviors()
private void	setActiveActivity(Activity activity)
void	setActiveActivityIfPossible(Activity activity)
void	setActiveActivityToFirstValid(List<Activity> activities)
void	setCoreActivities(Set<Activity> activities)
void	setDefaultActivity(Activity activity)
<U> void	setMemory(MemoryModuleType<U> type, @Nullable U value)
<U> void	setMemory(MemoryModuleType<U> type, Optional<? extends U> optionalValue)
private <U> void	setMemoryInternal(MemoryMap.Value<U> value)
private <U> void	setMemoryInternal(MemoryModuleType<U> type, @Nullable U value)
private <U> void	setMemoryInternal(MemoryModuleType<U> type, U value, long tileToLive)
<U> void	setMemoryWithExpiry(MemoryModuleType<U> type, U value, long timeToLive)
void	setSchedule(EnvironmentAttribute<Activity> schedule)
private void	startEachNonRunningBehavior(ServerLevel level, E body)
void	stopAll(ServerLevel level, E body)
void	tick(ServerLevel level, E body)
private void	tickEachRunningBehavior(ServerLevel level, E body)
private void	tickSensors(ServerLevel level, E body)
void	updateActivityFromSchedule(EnvironmentAttributeSystem environmentAttributes, long gameTime, Vec3 pos)
void	useDefaultActivity()

Methods inherited from class Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

SCHEDULE_UPDATE_DELAY

private static final int SCHEDULE_UPDATE_DELAY

See Also:

• Constant Field Values

memories

private final Map<MemoryModuleType<?>, MemorySlot<?>> memories

sensors

private final Map<SensorType<? extends Sensor<? super E extends LivingEntity>>, Sensor<? super E extends LivingEntity>> sensors

availableBehaviorsByPriority

private final Map<Integer, Map<Activity, Set<BehaviorControl<? super E extends LivingEntity>>>> availableBehaviorsByPriority

schedule

private @Nullable EnvironmentAttribute<Activity> schedule

activityRequirements

private final Map<Activity, Set<com.mojang.datafixers.util.Pair<MemoryModuleType<?>, MemoryStatus>>> activityRequirements

activityMemoriesToEraseWhenStopped

private final Map<Activity, Set<MemoryModuleType<?>>> activityMemoriesToEraseWhenStopped

coreActivities

private Set<Activity> coreActivities

activeActivities

private final Set<Activity> activeActivities

defaultActivity

private Activity defaultActivity

lastScheduleUpdate

private long lastScheduleUpdate

Constructor Details

Brain

protected Brain(Collection<? extends MemoryModuleType<?>> memoryTypes,
 Collection<? extends SensorType<? extends Sensor<? super E>>> sensorTypes,
 List<ActivityData<E>> activities,
 MemoryMap memories,
 RandomSource randomSource)

Brain

public Brain()

Method Details

provider

public static <E extends LivingEntity>
Brain.Provider<E> provider(Collection<? extends SensorType<? extends Sensor<? super E>>> sensorTypes)

provider

public static <E extends LivingEntity>
Brain.Provider<E> provider(Collection<? extends SensorType<? extends Sensor<? super E>>> sensorTypes,
 Brain.ActivitySupplier<E> activities)

provider

@Deprecated
public static <E extends LivingEntity>
Brain.Provider<E> provider(Collection<? extends MemoryModuleType<?>> memoryTypes,
 Collection<? extends SensorType<? extends Sensor<? super E>>> sensorTypes,
 Brain.ActivitySupplier<E> activities)

Deprecated.

registerMemory

private void registerMemory(MemoryModuleType<?> memoryType)

pack

public Brain.Packed pack()

getMemorySlotIfPresent

private <T> @Nullable MemorySlot<T> getMemorySlotIfPresent(MemoryModuleType<T> memoryType)

getMemorySlot

private <T> MemorySlot<T> getMemorySlot(MemoryModuleType<T> memoryType)

hasMemoryValue

public boolean hasMemoryValue(MemoryModuleType<?> type)

clearMemories

public void clearMemories()

eraseMemory

public <U> void eraseMemory(MemoryModuleType<U> type)

setMemory

public <U> void setMemory(MemoryModuleType<U> type,
 @Nullable U value)

setMemoryWithExpiry

public <U> void setMemoryWithExpiry(MemoryModuleType<U> type,
 U value,
 long timeToLive)

setMemory

public <U> void setMemory(MemoryModuleType<U> type,
 Optional<? extends U> optionalValue)

setMemoryInternal

private <U> void setMemoryInternal(MemoryMap.Value<U> value)

setMemoryInternal

private <U> void setMemoryInternal(MemoryModuleType<U> type,
 U value,
 long tileToLive)

setMemoryInternal

private <U> void setMemoryInternal(MemoryModuleType<U> type,
 @Nullable U value)

getMemory

public <U> Optional<U> getMemory(MemoryModuleType<U> type)

getMemoryInternal

public <U> @Nullable Optional<U> getMemoryInternal(MemoryModuleType<U> type)

getTimeUntilExpiry

public <U> long getTimeUntilExpiry(MemoryModuleType<U> type)

forEach

public void forEach(Brain.Visitor visitor)

callVisitor

private static <U> void callVisitor(Brain.Visitor visitor,
 MemoryModuleType<U> memoryModuleType,
 MemorySlot<?> slot)

isMemoryValue

public <U> boolean isMemoryValue(MemoryModuleType<U> memoryType,
 U value)

checkMemory

public boolean checkMemory(MemoryModuleType<?> type,
 MemoryStatus status)

setSchedule

public void setSchedule(EnvironmentAttribute<Activity> schedule)

setCoreActivities

public void setCoreActivities(Set<Activity> activities)

getActiveActivities

@Deprecated
public Set<Activity> getActiveActivities()

Deprecated.

getRunningBehaviors

@Deprecated
public List<BehaviorControl<? super E>> getRunningBehaviors()

Deprecated.

useDefaultActivity

public void useDefaultActivity()

getActiveNonCoreActivity

public Optional<Activity> getActiveNonCoreActivity()

setActiveActivityIfPossible

public void setActiveActivityIfPossible(Activity activity)

setActiveActivity

private void setActiveActivity(Activity activity)

eraseMemoriesForOtherActivitesThan

private void eraseMemoriesForOtherActivitesThan(Activity activity)

updateActivityFromSchedule

public void updateActivityFromSchedule(EnvironmentAttributeSystem environmentAttributes,
 long gameTime,
 Vec3 pos)

setActiveActivityToFirstValid

public void setActiveActivityToFirstValid(List<Activity> activities)

setDefaultActivity

public void setDefaultActivity(Activity activity)

addActivity

public void addActivity(Activity activity,
 ImmutableList<? extends com.mojang.datafixers.util.Pair<Integer, ? extends BehaviorControl<? super E>>> behaviorPriorityPairs,
 Set<com.mojang.datafixers.util.Pair<MemoryModuleType<?>, MemoryStatus>> conditions,
 Set<MemoryModuleType<?>> memoriesToEraseWhenStopped)

removeAllBehaviors

public void removeAllBehaviors()

isActive

public boolean isActive(Activity activity)

tick

public void tick(ServerLevel level,
 E body)

tickSensors

private void tickSensors(ServerLevel level,
 E body)

forgetOutdatedMemories

private void forgetOutdatedMemories()

stopAll

public void stopAll(ServerLevel level,
 E body)

startEachNonRunningBehavior

private void startEachNonRunningBehavior(ServerLevel level,
 E body)

tickEachRunningBehavior

private void tickEachRunningBehavior(ServerLevel level,
 E body)

activityRequirementsAreMet

private boolean activityRequirementsAreMet(Activity activity)

isEmptyCollection

private static boolean isEmptyCollection(Object object)

isBrainDead

public boolean isBrainDead()