52 lines
1.2 KiB
Java
52 lines
1.2 KiB
Java
package net.minecraft.world.entity.ai.goal;
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import java.util.EnumSet;
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import net.minecraft.world.entity.LivingEntity;
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import net.minecraft.world.entity.monster.Creeper;
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import org.jetbrains.annotations.Nullable;
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public class SwellGoal extends Goal {
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private final Creeper creeper;
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@Nullable
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private LivingEntity target;
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public SwellGoal(Creeper creeper) {
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this.creeper = creeper;
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this.setFlags(EnumSet.of(Goal.Flag.MOVE));
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}
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@Override
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public boolean canUse() {
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LivingEntity livingEntity = this.creeper.getTarget();
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return this.creeper.getSwellDir() > 0 || livingEntity != null && this.creeper.distanceToSqr(livingEntity) < 9.0;
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}
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@Override
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public void start() {
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this.creeper.getNavigation().stop();
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this.target = this.creeper.getTarget();
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}
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@Override
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public void stop() {
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this.target = null;
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}
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@Override
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public boolean requiresUpdateEveryTick() {
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return true;
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}
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@Override
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public void tick() {
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if (this.target == null) {
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this.creeper.setSwellDir(-1);
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} else if (this.creeper.distanceToSqr(this.target) > 49.0) {
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this.creeper.setSwellDir(-1);
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} else if (!this.creeper.getSensing().hasLineOfSight(this.target)) {
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this.creeper.setSwellDir(-1);
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} else {
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this.creeper.setSwellDir(1);
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}
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}
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}
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