331 lines
11 KiB
Java
331 lines
11 KiB
Java
package net.minecraft.world.entity.animal;
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import java.util.UUID;
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import net.minecraft.core.BlockPos;
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import net.minecraft.core.Holder;
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import net.minecraft.nbt.CompoundTag;
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import net.minecraft.network.syncher.EntityDataAccessor;
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import net.minecraft.network.syncher.EntityDataSerializers;
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import net.minecraft.network.syncher.SynchedEntityData;
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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.BiomeTags;
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import net.minecraft.tags.BlockTags;
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import net.minecraft.tags.DamageTypeTags;
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import net.minecraft.util.Mth;
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import net.minecraft.util.RandomSource;
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import net.minecraft.util.TimeUtil;
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import net.minecraft.util.valueproviders.UniformInt;
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import net.minecraft.world.DifficultyInstance;
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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.EntityDimensions;
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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.LivingEntity;
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import net.minecraft.world.entity.Mob;
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import net.minecraft.world.entity.NeutralMob;
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import net.minecraft.world.entity.Pose;
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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.FloatGoal;
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import net.minecraft.world.entity.ai.goal.FollowParentGoal;
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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.PanicGoal;
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import net.minecraft.world.entity.ai.goal.RandomLookAroundGoal;
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import net.minecraft.world.entity.ai.goal.RandomStrollGoal;
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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.ai.goal.target.ResetUniversalAngerTargetGoal;
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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.level.Level;
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import net.minecraft.world.level.LevelAccessor;
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import net.minecraft.world.level.ServerLevelAccessor;
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import net.minecraft.world.level.biome.Biome;
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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 class PolarBear extends Animal implements NeutralMob {
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private static final EntityDataAccessor<Boolean> DATA_STANDING_ID = SynchedEntityData.defineId(PolarBear.class, EntityDataSerializers.BOOLEAN);
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private static final float STAND_ANIMATION_TICKS = 6.0F;
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private float clientSideStandAnimationO;
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private float clientSideStandAnimation;
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private int warningSoundTicks;
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private static final UniformInt PERSISTENT_ANGER_TIME = TimeUtil.rangeOfSeconds(20, 39);
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private int remainingPersistentAngerTime;
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@Nullable
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private UUID persistentAngerTarget;
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public PolarBear(EntityType<? extends PolarBear> entityType, Level level) {
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super(entityType, level);
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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 EntityType.POLAR_BEAR.create(level, EntitySpawnReason.BREEDING);
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}
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@Override
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public boolean isFood(ItemStack stack) {
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return false;
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}
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@Override
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protected void registerGoals() {
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super.registerGoals();
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this.goalSelector.addGoal(0, new FloatGoal(this));
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this.goalSelector.addGoal(1, new PolarBear.PolarBearMeleeAttackGoal());
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this.goalSelector
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.addGoal(1, new PanicGoal(this, 2.0, pathfinderMob -> pathfinderMob.isBaby() ? DamageTypeTags.PANIC_CAUSES : DamageTypeTags.PANIC_ENVIRONMENTAL_CAUSES));
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this.goalSelector.addGoal(4, new FollowParentGoal(this, 1.25));
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this.goalSelector.addGoal(5, new RandomStrollGoal(this, 1.0));
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this.goalSelector.addGoal(6, new LookAtPlayerGoal(this, Player.class, 6.0F));
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this.goalSelector.addGoal(7, new RandomLookAroundGoal(this));
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this.targetSelector.addGoal(1, new PolarBear.PolarBearHurtByTargetGoal());
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this.targetSelector.addGoal(2, new PolarBear.PolarBearAttackPlayersGoal());
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this.targetSelector.addGoal(3, new NearestAttackableTargetGoal(this, Player.class, 10, true, false, this::isAngryAt));
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this.targetSelector.addGoal(4, new NearestAttackableTargetGoal(this, Fox.class, 10, true, true, null));
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this.targetSelector.addGoal(5, new ResetUniversalAngerTargetGoal<>(this, false));
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}
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public static Builder createAttributes() {
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return Animal.createAnimalAttributes()
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.add(Attributes.MAX_HEALTH, 30.0)
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.add(Attributes.FOLLOW_RANGE, 20.0)
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.add(Attributes.MOVEMENT_SPEED, 0.25)
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.add(Attributes.ATTACK_DAMAGE, 6.0);
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}
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public static boolean checkPolarBearSpawnRules(
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EntityType<PolarBear> entityType, LevelAccessor levelAccessor, EntitySpawnReason entitySpawnReason, BlockPos blockPos, RandomSource randomSource
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) {
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Holder<Biome> holder = levelAccessor.getBiome(blockPos);
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return !holder.is(BiomeTags.POLAR_BEARS_SPAWN_ON_ALTERNATE_BLOCKS)
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? checkAnimalSpawnRules(entityType, levelAccessor, entitySpawnReason, blockPos, randomSource)
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: isBrightEnoughToSpawn(levelAccessor, blockPos) && levelAccessor.getBlockState(blockPos.below()).is(BlockTags.POLAR_BEARS_SPAWNABLE_ON_ALTERNATE);
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}
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@Override
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public void readAdditionalSaveData(CompoundTag compound) {
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super.readAdditionalSaveData(compound);
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this.readPersistentAngerSaveData(this.level(), compound);
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}
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@Override
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public void addAdditionalSaveData(CompoundTag compound) {
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super.addAdditionalSaveData(compound);
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this.addPersistentAngerSaveData(compound);
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}
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@Override
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public void startPersistentAngerTimer() {
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this.setRemainingPersistentAngerTime(PERSISTENT_ANGER_TIME.sample(this.random));
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}
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@Override
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public void setRemainingPersistentAngerTime(int remainingPersistentAngerTime) {
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this.remainingPersistentAngerTime = remainingPersistentAngerTime;
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}
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@Override
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public int getRemainingPersistentAngerTime() {
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return this.remainingPersistentAngerTime;
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}
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@Override
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public void setPersistentAngerTarget(@Nullable UUID persistentAngerTarget) {
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this.persistentAngerTarget = persistentAngerTarget;
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}
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@Nullable
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@Override
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public UUID getPersistentAngerTarget() {
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return this.persistentAngerTarget;
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}
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@Override
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protected SoundEvent getAmbientSound() {
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return this.isBaby() ? SoundEvents.POLAR_BEAR_AMBIENT_BABY : SoundEvents.POLAR_BEAR_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.POLAR_BEAR_HURT;
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}
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@Override
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protected SoundEvent getDeathSound() {
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return SoundEvents.POLAR_BEAR_DEATH;
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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(SoundEvents.POLAR_BEAR_STEP, 0.15F, 1.0F);
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}
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protected void playWarningSound() {
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if (this.warningSoundTicks <= 0) {
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this.makeSound(SoundEvents.POLAR_BEAR_WARNING);
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this.warningSoundTicks = 40;
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}
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}
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@Override
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protected void defineSynchedData(net.minecraft.network.syncher.SynchedEntityData.Builder builder) {
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super.defineSynchedData(builder);
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builder.define(DATA_STANDING_ID, false);
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}
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@Override
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public void tick() {
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super.tick();
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if (this.level().isClientSide) {
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if (this.clientSideStandAnimation != this.clientSideStandAnimationO) {
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this.refreshDimensions();
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}
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this.clientSideStandAnimationO = this.clientSideStandAnimation;
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if (this.isStanding()) {
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this.clientSideStandAnimation = Mth.clamp(this.clientSideStandAnimation + 1.0F, 0.0F, 6.0F);
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} else {
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this.clientSideStandAnimation = Mth.clamp(this.clientSideStandAnimation - 1.0F, 0.0F, 6.0F);
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}
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}
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if (this.warningSoundTicks > 0) {
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this.warningSoundTicks--;
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}
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if (!this.level().isClientSide) {
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this.updatePersistentAnger((ServerLevel)this.level(), true);
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}
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}
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@Override
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public EntityDimensions getDefaultDimensions(Pose pose) {
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if (this.clientSideStandAnimation > 0.0F) {
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float f = this.clientSideStandAnimation / 6.0F;
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float g = 1.0F + f;
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return super.getDefaultDimensions(pose).scale(1.0F, g);
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} else {
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return super.getDefaultDimensions(pose);
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}
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}
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public boolean isStanding() {
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return this.entityData.get(DATA_STANDING_ID);
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}
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public void setStanding(boolean standing) {
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this.entityData.set(DATA_STANDING_ID, standing);
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}
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public float getStandingAnimationScale(float partialTick) {
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return Mth.lerp(partialTick, this.clientSideStandAnimationO, this.clientSideStandAnimation) / 6.0F;
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}
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@Override
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protected float getWaterSlowDown() {
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return 0.98F;
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}
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@Override
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public SpawnGroupData finalizeSpawn(
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ServerLevelAccessor serverLevelAccessor, DifficultyInstance difficultyInstance, EntitySpawnReason entitySpawnReason, @Nullable SpawnGroupData spawnGroupData
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) {
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if (spawnGroupData == null) {
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spawnGroupData = new AgeableMob.AgeableMobGroupData(1.0F);
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}
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return super.finalizeSpawn(serverLevelAccessor, difficultyInstance, entitySpawnReason, spawnGroupData);
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}
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class PolarBearAttackPlayersGoal extends NearestAttackableTargetGoal<Player> {
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public PolarBearAttackPlayersGoal() {
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super(PolarBear.this, Player.class, 20, true, true, null);
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}
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@Override
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public boolean canUse() {
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if (PolarBear.this.isBaby()) {
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return false;
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} else {
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if (super.canUse()) {
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for (PolarBear polarBear : PolarBear.this.level().getEntitiesOfClass(PolarBear.class, PolarBear.this.getBoundingBox().inflate(8.0, 4.0, 8.0))) {
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if (polarBear.isBaby()) {
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return true;
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}
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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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@Override
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protected double getFollowDistance() {
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return super.getFollowDistance() * 0.5;
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}
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}
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class PolarBearHurtByTargetGoal extends HurtByTargetGoal {
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public PolarBearHurtByTargetGoal() {
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super(PolarBear.this);
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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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if (PolarBear.this.isBaby()) {
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this.alertOthers();
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this.stop();
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}
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}
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@Override
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protected void alertOther(Mob mob, LivingEntity target) {
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if (mob instanceof PolarBear && !mob.isBaby()) {
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super.alertOther(mob, target);
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}
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}
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}
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class PolarBearMeleeAttackGoal extends MeleeAttackGoal {
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public PolarBearMeleeAttackGoal() {
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super(PolarBear.this, 1.25, true);
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}
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@Override
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protected void checkAndPerformAttack(LivingEntity target) {
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if (this.canPerformAttack(target)) {
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this.resetAttackCooldown();
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this.mob.doHurtTarget(getServerLevel(this.mob), target);
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PolarBear.this.setStanding(false);
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} else if (this.mob.distanceToSqr(target) < (target.getBbWidth() + 3.0F) * (target.getBbWidth() + 3.0F)) {
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if (this.isTimeToAttack()) {
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PolarBear.this.setStanding(false);
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this.resetAttackCooldown();
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}
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if (this.getTicksUntilNextAttack() <= 10) {
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PolarBear.this.setStanding(true);
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PolarBear.this.playWarningSound();
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}
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} else {
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this.resetAttackCooldown();
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PolarBear.this.setStanding(false);
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}
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}
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@Override
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public void stop() {
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PolarBear.this.setStanding(false);
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super.stop();
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}
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}
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}
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