274 lines
9.4 KiB
Java
274 lines
9.4 KiB
Java
package net.minecraft.world.entity.npc;
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import java.util.EnumSet;
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import net.minecraft.core.BlockPos;
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import net.minecraft.server.level.ServerLevel;
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import net.minecraft.sounds.SoundEvent;
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import net.minecraft.sounds.SoundEvents;
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import net.minecraft.stats.Stats;
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import net.minecraft.world.InteractionHand;
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import net.minecraft.world.InteractionResult;
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import net.minecraft.world.damagesource.DamageSource;
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import net.minecraft.world.entity.AgeableMob;
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import net.minecraft.world.entity.EntityType;
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import net.minecraft.world.entity.ExperienceOrb;
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import net.minecraft.world.entity.Mob;
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import net.minecraft.world.entity.ai.goal.AvoidEntityGoal;
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import net.minecraft.world.entity.ai.goal.FloatGoal;
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import net.minecraft.world.entity.ai.goal.Goal;
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import net.minecraft.world.entity.ai.goal.InteractGoal;
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import net.minecraft.world.entity.ai.goal.LookAtPlayerGoal;
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import net.minecraft.world.entity.ai.goal.LookAtTradingPlayerGoal;
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import net.minecraft.world.entity.ai.goal.MoveTowardsRestrictionGoal;
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import net.minecraft.world.entity.ai.goal.PanicGoal;
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import net.minecraft.world.entity.ai.goal.TradeWithPlayerGoal;
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import net.minecraft.world.entity.ai.goal.UseItemGoal;
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import net.minecraft.world.entity.ai.goal.WaterAvoidingRandomStrollGoal;
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import net.minecraft.world.entity.monster.Evoker;
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import net.minecraft.world.entity.monster.Illusioner;
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import net.minecraft.world.entity.monster.Pillager;
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import net.minecraft.world.entity.monster.Vex;
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import net.minecraft.world.entity.monster.Vindicator;
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import net.minecraft.world.entity.monster.Zoglin;
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import net.minecraft.world.entity.monster.Zombie;
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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 net.minecraft.world.item.alchemy.PotionContents;
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import net.minecraft.world.item.alchemy.Potions;
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import net.minecraft.world.item.component.Consumable;
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import net.minecraft.world.item.trading.MerchantOffer;
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import net.minecraft.world.item.trading.MerchantOffers;
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import net.minecraft.world.level.Level;
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import net.minecraft.world.level.storage.ValueInput;
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import net.minecraft.world.level.storage.ValueOutput;
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import net.minecraft.world.phys.Vec3;
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import org.apache.commons.lang3.tuple.Pair;
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import org.jetbrains.annotations.Nullable;
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public class WanderingTrader extends AbstractVillager implements Consumable.OverrideConsumeSound {
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private static final int DEFAULT_DESPAWN_DELAY = 0;
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@Nullable
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private BlockPos wanderTarget;
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private int despawnDelay = 0;
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public WanderingTrader(EntityType<? extends WanderingTrader> entityType, Level level) {
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super(entityType, level);
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}
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@Override
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protected void registerGoals() {
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this.goalSelector.addGoal(0, new FloatGoal(this));
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this.goalSelector
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.addGoal(
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0,
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new UseItemGoal<>(
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this,
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PotionContents.createItemStack(Items.POTION, Potions.INVISIBILITY),
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SoundEvents.WANDERING_TRADER_DISAPPEARED,
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wanderingTrader -> this.level().isDarkOutside() && !wanderingTrader.isInvisible()
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)
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);
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this.goalSelector
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.addGoal(
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0,
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new UseItemGoal<>(
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this,
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new ItemStack(Items.MILK_BUCKET),
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SoundEvents.WANDERING_TRADER_REAPPEARED,
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wanderingTrader -> this.level().isBrightOutside() && wanderingTrader.isInvisible()
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)
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);
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this.goalSelector.addGoal(1, new TradeWithPlayerGoal(this));
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this.goalSelector.addGoal(1, new AvoidEntityGoal(this, Zombie.class, 8.0F, 0.5, 0.5));
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this.goalSelector.addGoal(1, new AvoidEntityGoal(this, Evoker.class, 12.0F, 0.5, 0.5));
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this.goalSelector.addGoal(1, new AvoidEntityGoal(this, Vindicator.class, 8.0F, 0.5, 0.5));
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this.goalSelector.addGoal(1, new AvoidEntityGoal(this, Vex.class, 8.0F, 0.5, 0.5));
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this.goalSelector.addGoal(1, new AvoidEntityGoal(this, Pillager.class, 15.0F, 0.5, 0.5));
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this.goalSelector.addGoal(1, new AvoidEntityGoal(this, Illusioner.class, 12.0F, 0.5, 0.5));
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this.goalSelector.addGoal(1, new AvoidEntityGoal(this, Zoglin.class, 10.0F, 0.5, 0.5));
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this.goalSelector.addGoal(1, new PanicGoal(this, 0.5));
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this.goalSelector.addGoal(1, new LookAtTradingPlayerGoal(this));
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this.goalSelector.addGoal(2, new WanderingTrader.WanderToPositionGoal(this, 2.0, 0.35));
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this.goalSelector.addGoal(4, new MoveTowardsRestrictionGoal(this, 0.35));
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this.goalSelector.addGoal(8, new WaterAvoidingRandomStrollGoal(this, 0.35));
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this.goalSelector.addGoal(9, new InteractGoal(this, Player.class, 3.0F, 1.0F));
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this.goalSelector.addGoal(10, new LookAtPlayerGoal(this, Mob.class, 8.0F));
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}
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@Nullable
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@Override
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public AgeableMob getBreedOffspring(ServerLevel level, AgeableMob otherParent) {
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return null;
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}
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@Override
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public boolean showProgressBar() {
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return false;
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}
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@Override
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public InteractionResult mobInteract(Player player, InteractionHand hand) {
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ItemStack itemStack = player.getItemInHand(hand);
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if (!itemStack.is(Items.VILLAGER_SPAWN_EGG) && this.isAlive() && !this.isTrading() && !this.isBaby()) {
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if (hand == InteractionHand.MAIN_HAND) {
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player.awardStat(Stats.TALKED_TO_VILLAGER);
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}
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if (!this.level().isClientSide) {
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if (this.getOffers().isEmpty()) {
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return InteractionResult.CONSUME;
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}
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this.setTradingPlayer(player);
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this.openTradingScreen(player, this.getDisplayName(), 1);
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}
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return InteractionResult.SUCCESS;
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} else {
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return super.mobInteract(player, hand);
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}
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}
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@Override
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protected void updateTrades() {
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MerchantOffers merchantOffers = this.getOffers();
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for (Pair<VillagerTrades.ItemListing[], Integer> pair : VillagerTrades.WANDERING_TRADER_TRADES) {
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VillagerTrades.ItemListing[] itemListings = pair.getLeft();
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this.addOffersFromItemListings(merchantOffers, itemListings, pair.getRight());
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}
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}
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@Override
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protected void addAdditionalSaveData(ValueOutput output) {
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super.addAdditionalSaveData(output);
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output.putInt("DespawnDelay", this.despawnDelay);
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output.storeNullable("wander_target", BlockPos.CODEC, this.wanderTarget);
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}
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@Override
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protected void readAdditionalSaveData(ValueInput input) {
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super.readAdditionalSaveData(input);
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this.despawnDelay = input.getIntOr("DespawnDelay", 0);
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this.wanderTarget = (BlockPos)input.read("wander_target", BlockPos.CODEC).orElse(null);
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this.setAge(Math.max(0, this.getAge()));
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}
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@Override
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public boolean removeWhenFarAway(double distanceToClosestPlayer) {
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return false;
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}
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@Override
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protected void rewardTradeXp(MerchantOffer offer) {
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if (offer.shouldRewardExp()) {
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int i = 3 + this.random.nextInt(4);
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this.level().addFreshEntity(new ExperienceOrb(this.level(), this.getX(), this.getY() + 0.5, this.getZ(), i));
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}
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}
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@Override
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protected SoundEvent getAmbientSound() {
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return this.isTrading() ? SoundEvents.WANDERING_TRADER_TRADE : SoundEvents.WANDERING_TRADER_AMBIENT;
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}
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@Override
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protected SoundEvent getHurtSound(DamageSource damageSource) {
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return SoundEvents.WANDERING_TRADER_HURT;
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}
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@Override
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protected SoundEvent getDeathSound() {
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return SoundEvents.WANDERING_TRADER_DEATH;
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}
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@Override
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public SoundEvent getConsumeSound(ItemStack stack) {
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return stack.is(Items.MILK_BUCKET) ? SoundEvents.WANDERING_TRADER_DRINK_MILK : SoundEvents.WANDERING_TRADER_DRINK_POTION;
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}
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@Override
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protected SoundEvent getTradeUpdatedSound(boolean isYesSound) {
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return isYesSound ? SoundEvents.WANDERING_TRADER_YES : SoundEvents.WANDERING_TRADER_NO;
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}
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@Override
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public SoundEvent getNotifyTradeSound() {
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return SoundEvents.WANDERING_TRADER_YES;
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}
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public void setDespawnDelay(int despawnDelay) {
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this.despawnDelay = despawnDelay;
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}
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public int getDespawnDelay() {
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return this.despawnDelay;
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}
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@Override
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public void aiStep() {
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super.aiStep();
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if (!this.level().isClientSide) {
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this.maybeDespawn();
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}
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}
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private void maybeDespawn() {
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if (this.despawnDelay > 0 && !this.isTrading() && --this.despawnDelay == 0) {
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this.discard();
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}
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}
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public void setWanderTarget(@Nullable BlockPos wanderTarget) {
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this.wanderTarget = wanderTarget;
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}
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@Nullable
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BlockPos getWanderTarget() {
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return this.wanderTarget;
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}
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class WanderToPositionGoal extends Goal {
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final WanderingTrader trader;
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final double stopDistance;
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final double speedModifier;
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WanderToPositionGoal(final WanderingTrader trader, final double stopDistance, final double speedModifier) {
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this.trader = trader;
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this.stopDistance = stopDistance;
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this.speedModifier = speedModifier;
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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 void stop() {
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this.trader.setWanderTarget(null);
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WanderingTrader.this.navigation.stop();
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}
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@Override
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public boolean canUse() {
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BlockPos blockPos = this.trader.getWanderTarget();
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return blockPos != null && this.isTooFarAway(blockPos, this.stopDistance);
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}
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@Override
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public void tick() {
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BlockPos blockPos = this.trader.getWanderTarget();
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if (blockPos != null && WanderingTrader.this.navigation.isDone()) {
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if (this.isTooFarAway(blockPos, 10.0)) {
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Vec3 vec3 = new Vec3(blockPos.getX() - this.trader.getX(), blockPos.getY() - this.trader.getY(), blockPos.getZ() - this.trader.getZ()).normalize();
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Vec3 vec32 = vec3.scale(10.0).add(this.trader.getX(), this.trader.getY(), this.trader.getZ());
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WanderingTrader.this.navigation.moveTo(vec32.x, vec32.y, vec32.z, this.speedModifier);
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} else {
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WanderingTrader.this.navigation.moveTo(blockPos.getX(), blockPos.getY(), blockPos.getZ(), this.speedModifier);
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}
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}
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}
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private boolean isTooFarAway(BlockPos pos, double distance) {
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return !pos.closerToCenterThan(this.trader.position(), distance);
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}
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}
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}
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