239 lines
8.7 KiB
Java
239 lines
8.7 KiB
Java
package net.minecraft.world.entity.monster;
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import java.time.LocalDate;
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import java.time.temporal.ChronoField;
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import net.minecraft.core.BlockPos;
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import net.minecraft.nbt.CompoundTag;
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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.tags.ItemTags;
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import net.minecraft.tags.TagKey;
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import net.minecraft.util.RandomSource;
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import net.minecraft.world.Difficulty;
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import net.minecraft.world.DifficultyInstance;
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import net.minecraft.world.entity.EntitySpawnReason;
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import net.minecraft.world.entity.EntityType;
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import net.minecraft.world.entity.EquipmentSlot;
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import net.minecraft.world.entity.LivingEntity;
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import net.minecraft.world.entity.PathfinderMob;
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import net.minecraft.world.entity.SpawnGroupData;
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import net.minecraft.world.entity.ai.attributes.Attributes;
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import net.minecraft.world.entity.ai.attributes.AttributeSupplier.Builder;
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import net.minecraft.world.entity.ai.goal.AvoidEntityGoal;
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import net.minecraft.world.entity.ai.goal.FleeSunGoal;
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import net.minecraft.world.entity.ai.goal.LookAtPlayerGoal;
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import net.minecraft.world.entity.ai.goal.MeleeAttackGoal;
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import net.minecraft.world.entity.ai.goal.RandomLookAroundGoal;
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import net.minecraft.world.entity.ai.goal.RangedBowAttackGoal;
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import net.minecraft.world.entity.ai.goal.RestrictSunGoal;
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import net.minecraft.world.entity.ai.goal.WaterAvoidingRandomStrollGoal;
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import net.minecraft.world.entity.ai.goal.target.HurtByTargetGoal;
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import net.minecraft.world.entity.ai.goal.target.NearestAttackableTargetGoal;
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import net.minecraft.world.entity.animal.IronGolem;
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import net.minecraft.world.entity.animal.Turtle;
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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.entity.projectile.AbstractArrow;
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import net.minecraft.world.entity.projectile.Projectile;
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import net.minecraft.world.entity.projectile.ProjectileUtil;
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import net.minecraft.world.item.Item;
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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.ProjectileWeaponItem;
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import net.minecraft.world.level.Level;
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import net.minecraft.world.level.ServerLevelAccessor;
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import net.minecraft.world.level.block.Blocks;
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import net.minecraft.world.level.block.state.BlockState;
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import org.jetbrains.annotations.Nullable;
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public abstract class AbstractSkeleton extends Monster implements RangedAttackMob {
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private static final int HARD_ATTACK_INTERVAL = 20;
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private static final int NORMAL_ATTACK_INTERVAL = 40;
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private final RangedBowAttackGoal<AbstractSkeleton> bowGoal = new RangedBowAttackGoal<>(this, 1.0, 20, 15.0F);
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private final MeleeAttackGoal meleeGoal = new MeleeAttackGoal(this, 1.2, false) {
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@Override
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public void stop() {
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super.stop();
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AbstractSkeleton.this.setAggressive(false);
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}
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@Override
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public void start() {
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super.start();
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AbstractSkeleton.this.setAggressive(true);
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}
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};
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protected AbstractSkeleton(EntityType<? extends AbstractSkeleton> entityType, Level level) {
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super(entityType, level);
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this.reassessWeaponGoal();
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}
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@Override
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protected void registerGoals() {
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this.goalSelector.addGoal(2, new RestrictSunGoal(this));
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this.goalSelector.addGoal(3, new FleeSunGoal(this, 1.0));
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this.goalSelector.addGoal(3, new AvoidEntityGoal(this, Wolf.class, 6.0F, 1.0, 1.2));
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this.goalSelector.addGoal(5, new WaterAvoidingRandomStrollGoal(this, 1.0));
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this.goalSelector.addGoal(6, new LookAtPlayerGoal(this, Player.class, 8.0F));
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this.goalSelector.addGoal(6, new RandomLookAroundGoal(this));
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this.targetSelector.addGoal(1, new HurtByTargetGoal(this));
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this.targetSelector.addGoal(2, new NearestAttackableTargetGoal(this, Player.class, true));
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this.targetSelector.addGoal(3, new NearestAttackableTargetGoal(this, IronGolem.class, true));
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this.targetSelector.addGoal(3, new NearestAttackableTargetGoal(this, Turtle.class, 10, true, false, Turtle.BABY_ON_LAND_SELECTOR));
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}
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public static Builder createAttributes() {
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return Monster.createMonsterAttributes().add(Attributes.MOVEMENT_SPEED, 0.25);
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}
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@Override
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protected void playStepSound(BlockPos pos, BlockState state) {
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this.playSound(this.getStepSound(), 0.15F, 1.0F);
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}
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abstract SoundEvent getStepSound();
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@Override
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public void aiStep() {
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boolean bl = this.isSunBurnTick();
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if (bl) {
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ItemStack itemStack = this.getItemBySlot(EquipmentSlot.HEAD);
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if (!itemStack.isEmpty()) {
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if (itemStack.isDamageableItem()) {
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Item item = itemStack.getItem();
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itemStack.setDamageValue(itemStack.getDamageValue() + this.random.nextInt(2));
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if (itemStack.getDamageValue() >= itemStack.getMaxDamage()) {
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this.onEquippedItemBroken(item, EquipmentSlot.HEAD);
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this.setItemSlot(EquipmentSlot.HEAD, ItemStack.EMPTY);
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}
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}
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bl = false;
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}
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if (bl) {
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this.igniteForSeconds(8.0F);
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}
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}
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super.aiStep();
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}
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@Override
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public void rideTick() {
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super.rideTick();
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if (this.getControlledVehicle() instanceof PathfinderMob pathfinderMob) {
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this.yBodyRot = pathfinderMob.yBodyRot;
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}
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}
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@Override
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protected void populateDefaultEquipmentSlots(RandomSource random, DifficultyInstance difficulty) {
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super.populateDefaultEquipmentSlots(random, difficulty);
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this.setItemSlot(EquipmentSlot.MAINHAND, new ItemStack(Items.BOW));
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}
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@Nullable
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@Override
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public SpawnGroupData finalizeSpawn(
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ServerLevelAccessor level, DifficultyInstance difficulty, EntitySpawnReason spawnReason, @Nullable SpawnGroupData spawnGroupData
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) {
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spawnGroupData = super.finalizeSpawn(level, difficulty, spawnReason, spawnGroupData);
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RandomSource randomSource = level.getRandom();
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this.populateDefaultEquipmentSlots(randomSource, difficulty);
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this.populateDefaultEquipmentEnchantments(level, randomSource, difficulty);
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this.reassessWeaponGoal();
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this.setCanPickUpLoot(randomSource.nextFloat() < 0.55F * difficulty.getSpecialMultiplier());
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if (this.getItemBySlot(EquipmentSlot.HEAD).isEmpty()) {
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LocalDate localDate = LocalDate.now();
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int i = localDate.get(ChronoField.DAY_OF_MONTH);
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int j = localDate.get(ChronoField.MONTH_OF_YEAR);
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if (j == 10 && i == 31 && randomSource.nextFloat() < 0.25F) {
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this.setItemSlot(EquipmentSlot.HEAD, new ItemStack(randomSource.nextFloat() < 0.1F ? Blocks.JACK_O_LANTERN : Blocks.CARVED_PUMPKIN));
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this.setDropChance(EquipmentSlot.HEAD, 0.0F);
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}
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}
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return spawnGroupData;
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}
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/**
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* Sets this entity's combat AI.
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*/
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public void reassessWeaponGoal() {
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if (this.level() != null && !this.level().isClientSide) {
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this.goalSelector.removeGoal(this.meleeGoal);
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this.goalSelector.removeGoal(this.bowGoal);
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ItemStack itemStack = this.getItemInHand(ProjectileUtil.getWeaponHoldingHand(this, Items.BOW));
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if (itemStack.is(Items.BOW)) {
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int i = this.getHardAttackInterval();
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if (this.level().getDifficulty() != Difficulty.HARD) {
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i = this.getAttackInterval();
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}
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this.bowGoal.setMinAttackInterval(i);
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this.goalSelector.addGoal(4, this.bowGoal);
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} else {
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this.goalSelector.addGoal(4, this.meleeGoal);
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}
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}
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}
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protected int getHardAttackInterval() {
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return 20;
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}
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protected int getAttackInterval() {
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return 40;
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}
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@Override
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public void performRangedAttack(LivingEntity target, float velocity) {
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ItemStack itemStack = this.getItemInHand(ProjectileUtil.getWeaponHoldingHand(this, Items.BOW));
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ItemStack itemStack2 = this.getProjectile(itemStack);
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AbstractArrow abstractArrow = this.getArrow(itemStack2, velocity, itemStack);
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double d = target.getX() - this.getX();
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double e = target.getY(0.3333333333333333) - abstractArrow.getY();
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double f = target.getZ() - this.getZ();
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double g = Math.sqrt(d * d + f * f);
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if (this.level() instanceof ServerLevel serverLevel) {
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Projectile.spawnProjectileUsingShoot(abstractArrow, serverLevel, itemStack2, d, e + g * 0.2F, f, 1.6F, 14 - serverLevel.getDifficulty().getId() * 4);
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}
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this.playSound(SoundEvents.SKELETON_SHOOT, 1.0F, 1.0F / (this.getRandom().nextFloat() * 0.4F + 0.8F));
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}
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protected AbstractArrow getArrow(ItemStack arrow, float velocity, @Nullable ItemStack weapon) {
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return ProjectileUtil.getMobArrow(this, arrow, velocity, weapon);
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}
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@Override
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public boolean canFireProjectileWeapon(ProjectileWeaponItem projectileWeapon) {
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return projectileWeapon == Items.BOW;
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}
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@Override
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public TagKey<Item> getPreferredWeaponType() {
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return ItemTags.SKELETON_PREFERRED_WEAPONS;
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}
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@Override
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public void readAdditionalSaveData(CompoundTag tag) {
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super.readAdditionalSaveData(tag);
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this.reassessWeaponGoal();
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}
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@Override
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public void onEquipItem(EquipmentSlot slot, ItemStack oldItem, ItemStack newItem) {
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super.onEquipItem(slot, oldItem, newItem);
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if (!this.level().isClientSide) {
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this.reassessWeaponGoal();
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}
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}
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public boolean isShaking() {
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return this.isFullyFrozen();
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}
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}
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