minecraft-src/net/minecraft/world/entity/animal/Chicken.java
2025-07-04 03:45:38 +03:00

266 lines
9.5 KiB
Java

package net.minecraft.world.entity.animal;
import java.util.Optional;
import net.minecraft.core.BlockPos;
import net.minecraft.core.Holder;
import net.minecraft.core.component.DataComponentGetter;
import net.minecraft.core.component.DataComponentType;
import net.minecraft.core.component.DataComponents;
import net.minecraft.core.registries.Registries;
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.ItemTags;
import net.minecraft.util.Mth;
import net.minecraft.world.DifficultyInstance;
import net.minecraft.world.damagesource.DamageSource;
import net.minecraft.world.entity.AgeableMob;
import net.minecraft.world.entity.Entity;
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.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.BreedGoal;
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.PanicGoal;
import net.minecraft.world.entity.ai.goal.RandomLookAroundGoal;
import net.minecraft.world.entity.ai.goal.TemptGoal;
import net.minecraft.world.entity.ai.goal.WaterAvoidingRandomStrollGoal;
import net.minecraft.world.entity.player.Player;
import net.minecraft.world.entity.variant.SpawnContext;
import net.minecraft.world.entity.variant.VariantUtils;
import net.minecraft.world.item.EitherHolder;
import net.minecraft.world.item.ItemStack;
import net.minecraft.world.level.Level;
import net.minecraft.world.level.ServerLevelAccessor;
import net.minecraft.world.level.block.state.BlockState;
import net.minecraft.world.level.gameevent.GameEvent;
import net.minecraft.world.level.pathfinder.PathType;
import net.minecraft.world.level.storage.loot.BuiltInLootTables;
import net.minecraft.world.phys.Vec3;
import org.jetbrains.annotations.Nullable;
public class Chicken extends Animal {
private static final EntityDimensions BABY_DIMENSIONS = EntityType.CHICKEN.getDimensions().scale(0.5F).withEyeHeight(0.2975F);
private static final EntityDataAccessor<Holder<ChickenVariant>> DATA_VARIANT_ID = SynchedEntityData.defineId(
Chicken.class, EntityDataSerializers.CHICKEN_VARIANT
);
private static final boolean DEFAULT_CHICKEN_JOCKEY = false;
public float flap;
public float flapSpeed;
public float oFlapSpeed;
public float oFlap;
public float flapping = 1.0F;
private float nextFlap = 1.0F;
public int eggTime;
public boolean isChickenJockey = false;
public Chicken(EntityType<? extends Chicken> entityType, Level level) {
super(entityType, level);
this.eggTime = this.random.nextInt(6000) + 6000;
this.setPathfindingMalus(PathType.WATER, 0.0F);
}
@Override
protected void registerGoals() {
this.goalSelector.addGoal(0, new FloatGoal(this));
this.goalSelector.addGoal(1, new PanicGoal(this, 1.4));
this.goalSelector.addGoal(2, new BreedGoal(this, 1.0));
this.goalSelector.addGoal(3, new TemptGoal(this, 1.0, itemStack -> itemStack.is(ItemTags.CHICKEN_FOOD), false));
this.goalSelector.addGoal(4, new FollowParentGoal(this, 1.1));
this.goalSelector.addGoal(5, new WaterAvoidingRandomStrollGoal(this, 1.0));
this.goalSelector.addGoal(6, new LookAtPlayerGoal(this, Player.class, 6.0F));
this.goalSelector.addGoal(7, new RandomLookAroundGoal(this));
}
@Override
public EntityDimensions getDefaultDimensions(Pose pose) {
return this.isBaby() ? BABY_DIMENSIONS : super.getDefaultDimensions(pose);
}
public static Builder createAttributes() {
return Animal.createAnimalAttributes().add(Attributes.MAX_HEALTH, 4.0).add(Attributes.MOVEMENT_SPEED, 0.25);
}
@Override
public void aiStep() {
super.aiStep();
this.oFlap = this.flap;
this.oFlapSpeed = this.flapSpeed;
this.flapSpeed = this.flapSpeed + (this.onGround() ? -1.0F : 4.0F) * 0.3F;
this.flapSpeed = Mth.clamp(this.flapSpeed, 0.0F, 1.0F);
if (!this.onGround() && this.flapping < 1.0F) {
this.flapping = 1.0F;
}
this.flapping *= 0.9F;
Vec3 vec3 = this.getDeltaMovement();
if (!this.onGround() && vec3.y < 0.0) {
this.setDeltaMovement(vec3.multiply(1.0, 0.6, 1.0));
}
this.flap = this.flap + this.flapping * 2.0F;
if (this.level() instanceof ServerLevel serverLevel && this.isAlive() && !this.isBaby() && !this.isChickenJockey() && --this.eggTime <= 0) {
if (this.dropFromGiftLootTable(serverLevel, BuiltInLootTables.CHICKEN_LAY, this::spawnAtLocation)) {
this.playSound(SoundEvents.CHICKEN_EGG, 1.0F, (this.random.nextFloat() - this.random.nextFloat()) * 0.2F + 1.0F);
this.gameEvent(GameEvent.ENTITY_PLACE);
}
this.eggTime = this.random.nextInt(6000) + 6000;
}
}
@Override
protected boolean isFlapping() {
return this.flyDist > this.nextFlap;
}
@Override
protected void onFlap() {
this.nextFlap = this.flyDist + this.flapSpeed / 2.0F;
}
@Override
protected SoundEvent getAmbientSound() {
return SoundEvents.CHICKEN_AMBIENT;
}
@Override
protected SoundEvent getHurtSound(DamageSource damageSource) {
return SoundEvents.CHICKEN_HURT;
}
@Override
protected SoundEvent getDeathSound() {
return SoundEvents.CHICKEN_DEATH;
}
@Override
protected void playStepSound(BlockPos pos, BlockState state) {
this.playSound(SoundEvents.CHICKEN_STEP, 0.15F, 1.0F);
}
@Nullable
public Chicken getBreedOffspring(ServerLevel serverLevel, AgeableMob ageableMob) {
Chicken chicken = EntityType.CHICKEN.create(serverLevel, EntitySpawnReason.BREEDING);
if (chicken != null && ageableMob instanceof Chicken chicken2) {
chicken.setVariant(this.random.nextBoolean() ? this.getVariant() : chicken2.getVariant());
}
return chicken;
}
@Override
public SpawnGroupData finalizeSpawn(
ServerLevelAccessor level, DifficultyInstance difficulty, EntitySpawnReason spawnReason, @Nullable SpawnGroupData spawnGroupData
) {
ChickenVariants.selectVariantToSpawn(this.random, this.registryAccess(), SpawnContext.create(level, this.blockPosition())).ifPresent(this::setVariant);
return super.finalizeSpawn(level, difficulty, spawnReason, spawnGroupData);
}
@Override
public boolean isFood(ItemStack stack) {
return stack.is(ItemTags.CHICKEN_FOOD);
}
@Override
protected int getBaseExperienceReward(ServerLevel level) {
return this.isChickenJockey() ? 10 : super.getBaseExperienceReward(level);
}
@Override
protected void defineSynchedData(net.minecraft.network.syncher.SynchedEntityData.Builder builder) {
super.defineSynchedData(builder);
builder.define(DATA_VARIANT_ID, VariantUtils.getDefaultOrAny(this.registryAccess(), ChickenVariants.TEMPERATE));
}
@Override
public void readAdditionalSaveData(CompoundTag tag) {
super.readAdditionalSaveData(tag);
this.isChickenJockey = tag.getBooleanOr("IsChickenJockey", false);
tag.getInt("EggLayTime").ifPresent(integer -> this.eggTime = integer);
VariantUtils.readVariant(tag, this.registryAccess(), Registries.CHICKEN_VARIANT).ifPresent(this::setVariant);
}
@Override
public void addAdditionalSaveData(CompoundTag tag) {
super.addAdditionalSaveData(tag);
tag.putBoolean("IsChickenJockey", this.isChickenJockey);
tag.putInt("EggLayTime", this.eggTime);
VariantUtils.writeVariant(tag, this.getVariant());
}
public void setVariant(Holder<ChickenVariant> variant) {
this.entityData.set(DATA_VARIANT_ID, variant);
}
public Holder<ChickenVariant> getVariant() {
return this.entityData.get(DATA_VARIANT_ID);
}
@Nullable
@Override
public <T> T get(DataComponentType<? extends T> component) {
return component == DataComponents.CHICKEN_VARIANT
? castComponentValue((DataComponentType<T>)component, new EitherHolder<>(this.getVariant()))
: super.get(component);
}
@Override
protected void applyImplicitComponents(DataComponentGetter componentGetter) {
this.applyImplicitComponentIfPresent(componentGetter, DataComponents.CHICKEN_VARIANT);
super.applyImplicitComponents(componentGetter);
}
@Override
protected <T> boolean applyImplicitComponent(DataComponentType<T> component, T value) {
if (component == DataComponents.CHICKEN_VARIANT) {
Optional<Holder<ChickenVariant>> optional = castComponentValue(DataComponents.CHICKEN_VARIANT, value).unwrap(this.registryAccess());
if (optional.isPresent()) {
this.setVariant((Holder<ChickenVariant>)optional.get());
return true;
} else {
return false;
}
} else {
return super.applyImplicitComponent(component, value);
}
}
@Override
public boolean removeWhenFarAway(double distanceToClosestPlayer) {
return this.isChickenJockey();
}
@Override
protected void positionRider(Entity passenger, Entity.MoveFunction callback) {
super.positionRider(passenger, callback);
if (passenger instanceof LivingEntity) {
((LivingEntity)passenger).yBodyRot = this.yBodyRot;
}
}
/**
* Determines if this chicken is a jokey with a zombie riding it.
*/
public boolean isChickenJockey() {
return this.isChickenJockey;
}
/**
* Sets whether this chicken is a jockey or not.
*/
public void setChickenJockey(boolean isChickenJockey) {
this.isChickenJockey = isChickenJockey;
}
}