79 lines
2.3 KiB
Java
79 lines
2.3 KiB
Java
package net.minecraft.world.entity.ai.goal;
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import java.util.EnumSet;
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import net.minecraft.server.level.ServerLevel;
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import net.minecraft.world.InteractionHand;
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import net.minecraft.world.entity.ai.goal.Goal.Flag;
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import net.minecraft.world.entity.ai.targeting.TargetingConditions;
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import net.minecraft.world.entity.animal.wolf.Wolf;
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import net.minecraft.world.entity.player.Player;
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import net.minecraft.world.item.ItemStack;
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import net.minecraft.world.item.Items;
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import org.jetbrains.annotations.Nullable;
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public class BegGoal extends Goal {
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private final Wolf wolf;
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@Nullable
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private Player player;
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private final ServerLevel level;
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private final float lookDistance;
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private int lookTime;
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private final TargetingConditions begTargeting;
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public BegGoal(Wolf wolf, float lookDistance) {
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this.wolf = wolf;
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this.level = getServerLevel(wolf);
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this.lookDistance = lookDistance;
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this.begTargeting = TargetingConditions.forNonCombat().range(lookDistance);
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this.setFlags(EnumSet.of(Flag.LOOK));
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}
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@Override
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public boolean canUse() {
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this.player = this.level.getNearestPlayer(this.begTargeting, this.wolf);
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return this.player == null ? false : this.playerHoldingInteresting(this.player);
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}
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@Override
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public boolean canContinueToUse() {
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if (!this.player.isAlive()) {
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return false;
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} else {
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return this.wolf.distanceToSqr(this.player) > this.lookDistance * this.lookDistance
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? false
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: this.lookTime > 0 && this.playerHoldingInteresting(this.player);
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}
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}
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@Override
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public void start() {
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this.wolf.setIsInterested(true);
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this.lookTime = this.adjustedTickDelay(40 + this.wolf.getRandom().nextInt(40));
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}
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@Override
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public void stop() {
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this.wolf.setIsInterested(false);
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this.player = null;
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}
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@Override
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public void tick() {
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this.wolf.getLookControl().setLookAt(this.player.getX(), this.player.getEyeY(), this.player.getZ(), 10.0F, this.wolf.getMaxHeadXRot());
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this.lookTime--;
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}
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/**
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* Gets if the Player has the Bone in the hand.
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*/
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private boolean playerHoldingInteresting(Player player) {
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for (InteractionHand interactionHand : InteractionHand.values()) {
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ItemStack itemStack = player.getItemInHand(interactionHand);
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if (itemStack.is(Items.BONE) || this.wolf.isFood(itemStack)) {
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return true;
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}
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}
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return false;
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}
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}
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