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