Code/net/minecraft/world/entity/ai/goal/target/NearestAttackableTargetGoal...

87 lines
3.3 KiB
Java

package net.minecraft.world.entity.ai.goal.target;
import java.util.EnumSet;
import javax.annotation.Nullable;
import net.minecraft.server.level.ServerLevel;
import net.minecraft.server.level.ServerPlayer;
import net.minecraft.world.entity.LivingEntity;
import net.minecraft.world.entity.Mob;
import net.minecraft.world.entity.ai.goal.Goal;
import net.minecraft.world.entity.ai.targeting.TargetingConditions;
import net.minecraft.world.entity.player.Player;
import net.minecraft.world.phys.AABB;
public class NearestAttackableTargetGoal<T extends LivingEntity> extends TargetGoal {
private static final int DEFAULT_RANDOM_INTERVAL = 10;
protected final Class<T> targetType;
protected final int randomInterval;
@Nullable
protected LivingEntity target;
protected TargetingConditions targetConditions;
public NearestAttackableTargetGoal(Mob p_26060_, Class<T> p_26061_, boolean p_26062_) {
this(p_26060_, p_26061_, 10, p_26062_, false, null);
}
public NearestAttackableTargetGoal(Mob p_199891_, Class<T> p_199892_, boolean p_199893_, TargetingConditions.Selector p_365854_) {
this(p_199891_, p_199892_, 10, p_199893_, false, p_365854_);
}
public NearestAttackableTargetGoal(Mob p_26064_, Class<T> p_26065_, boolean p_26066_, boolean p_26067_) {
this(p_26064_, p_26065_, 10, p_26066_, p_26067_, null);
}
public NearestAttackableTargetGoal(
Mob p_26053_, Class<T> p_26054_, int p_26055_, boolean p_26056_, boolean p_26057_, @Nullable TargetingConditions.Selector p_365081_
) {
super(p_26053_, p_26056_, p_26057_);
this.targetType = p_26054_;
this.randomInterval = reducedTickDelay(p_26055_);
this.setFlags(EnumSet.of(Goal.Flag.TARGET));
this.targetConditions = TargetingConditions.forCombat().range(this.getFollowDistance()).selector(p_365081_);
}
@Override
public boolean canUse() {
if (this.randomInterval > 0 && this.mob.getRandom().nextInt(this.randomInterval) != 0) {
return false;
} else {
this.findTarget();
return this.target != null;
}
}
protected AABB getTargetSearchArea(double p_26069_) {
return this.mob.getBoundingBox().inflate(p_26069_, p_26069_, p_26069_);
}
protected void findTarget() {
ServerLevel serverlevel = getServerLevel(this.mob);
if (this.targetType != Player.class && this.targetType != ServerPlayer.class) {
this.target = serverlevel.getNearestEntity(
this.mob.level().getEntitiesOfClass(this.targetType, this.getTargetSearchArea(this.getFollowDistance()), p_148152_ -> true),
this.getTargetConditions(),
this.mob,
this.mob.getX(),
this.mob.getEyeY(),
this.mob.getZ()
);
} else {
this.target = serverlevel.getNearestPlayer(this.getTargetConditions(), this.mob, this.mob.getX(), this.mob.getEyeY(), this.mob.getZ());
}
}
@Override
public void start() {
this.mob.setTarget(this.target);
super.start();
}
public void setTarget(@Nullable LivingEntity p_26071_) {
this.target = p_26071_;
}
private TargetingConditions getTargetConditions() {
return this.targetConditions.range(this.getFollowDistance());
}
}