minecraft-src/net/minecraft/world/entity/EntitySelector.java
2025-07-04 03:45:38 +03:00

87 lines
3.3 KiB
Java

package net.minecraft.world.entity;
import com.google.common.base.Predicates;
import java.util.function.Predicate;
import net.minecraft.world.Container;
import net.minecraft.world.entity.player.Player;
import net.minecraft.world.scores.Team;
public final class EntitySelector {
/**
* Selects only entities which are alive
*/
public static final Predicate<Entity> ENTITY_STILL_ALIVE = Entity::isAlive;
/**
* Selects only entities which are LivingEntities and alive
*/
public static final Predicate<Entity> LIVING_ENTITY_STILL_ALIVE = entity -> entity.isAlive() && entity instanceof LivingEntity;
/**
* Selects only entities which are neither ridden by anything nor ride on anything
*/
public static final Predicate<Entity> ENTITY_NOT_BEING_RIDDEN = entity -> entity.isAlive() && !entity.isVehicle() && !entity.isPassenger();
/**
* Selects only entities which are container entities
*/
public static final Predicate<Entity> CONTAINER_ENTITY_SELECTOR = entity -> entity instanceof Container && entity.isAlive();
/**
* Selects entities which are neither creative-mode players nor spectator-players
*/
public static final Predicate<Entity> NO_CREATIVE_OR_SPECTATOR = entity -> !(entity instanceof Player player && (entity.isSpectator() || player.isCreative()));
/**
* Selects entities which are either not players or players that are not spectating
*/
public static final Predicate<Entity> NO_SPECTATORS = entity -> !entity.isSpectator();
/**
* Selects entities which are collidable with and aren't spectators
*/
public static final Predicate<Entity> CAN_BE_COLLIDED_WITH = NO_SPECTATORS.and(Entity::canBeCollidedWith);
public static final Predicate<Entity> CAN_BE_PICKED = NO_SPECTATORS.and(Entity::isPickable);
private EntitySelector() {
}
public static Predicate<Entity> withinDistance(double x, double y, double z, double range) {
double d = range * range;
return entity -> entity != null && entity.distanceToSqr(x, y, z) <= d;
}
public static Predicate<Entity> pushableBy(Entity entity) {
Team team = entity.getTeam();
Team.CollisionRule collisionRule = team == null ? Team.CollisionRule.ALWAYS : team.getCollisionRule();
return (Predicate<Entity>)(collisionRule == Team.CollisionRule.NEVER
? Predicates.alwaysFalse()
: NO_SPECTATORS.and(
entity2 -> {
if (!entity2.isPushable()) {
return false;
} else if (!entity.level().isClientSide || entity2 instanceof Player player && player.isLocalPlayer()) {
Team team2 = entity2.getTeam();
Team.CollisionRule collisionRule2 = team2 == null ? Team.CollisionRule.ALWAYS : team2.getCollisionRule();
if (collisionRule2 == Team.CollisionRule.NEVER) {
return false;
} else {
boolean bl = team != null && team.isAlliedTo(team2);
return (collisionRule == Team.CollisionRule.PUSH_OWN_TEAM || collisionRule2 == Team.CollisionRule.PUSH_OWN_TEAM) && bl
? false
: collisionRule != Team.CollisionRule.PUSH_OTHER_TEAMS && collisionRule2 != Team.CollisionRule.PUSH_OTHER_TEAMS || bl;
}
} else {
return false;
}
}
));
}
public static Predicate<Entity> notRiding(Entity entity) {
return entity2 -> {
while (entity2.isPassenger()) {
entity2 = entity2.getVehicle();
if (entity2 == entity) {
return false;
}
}
return true;
};
}
}