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

657 lines
21 KiB
Java

package net.minecraft.world.entity.animal;
import net.minecraft.advancements.CriteriaTriggers;
import net.minecraft.core.BlockPos;
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.network.syncher.SynchedEntityData.Builder;
import net.minecraft.server.level.ServerLevel;
import net.minecraft.server.level.ServerPlayer;
import net.minecraft.sounds.SoundEvent;
import net.minecraft.sounds.SoundEvents;
import net.minecraft.sounds.SoundSource;
import net.minecraft.stats.Stats;
import net.minecraft.tags.FluidTags;
import net.minecraft.tags.ItemTags;
import net.minecraft.util.Mth;
import net.minecraft.util.RandomSource;
import net.minecraft.world.DifficultyInstance;
import net.minecraft.world.damagesource.DamageSource;
import net.minecraft.world.entity.AgeableMob;
import net.minecraft.world.entity.EntityAttachment;
import net.minecraft.world.entity.EntityAttachments;
import net.minecraft.world.entity.EntityDimensions;
import net.minecraft.world.entity.EntitySpawnReason;
import net.minecraft.world.entity.EntityType;
import net.minecraft.world.entity.ExperienceOrb;
import net.minecraft.world.entity.LightningBolt;
import net.minecraft.world.entity.MoverType;
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.control.MoveControl;
import net.minecraft.world.entity.ai.goal.BreedGoal;
import net.minecraft.world.entity.ai.goal.Goal;
import net.minecraft.world.entity.ai.goal.LookAtPlayerGoal;
import net.minecraft.world.entity.ai.goal.MoveToBlockGoal;
import net.minecraft.world.entity.ai.goal.PanicGoal;
import net.minecraft.world.entity.ai.goal.RandomStrollGoal;
import net.minecraft.world.entity.ai.goal.TemptGoal;
import net.minecraft.world.entity.ai.navigation.AmphibiousPathNavigation;
import net.minecraft.world.entity.ai.navigation.PathNavigation;
import net.minecraft.world.entity.ai.targeting.TargetingConditions.Selector;
import net.minecraft.world.entity.ai.util.DefaultRandomPos;
import net.minecraft.world.entity.player.Player;
import net.minecraft.world.item.ItemStack;
import net.minecraft.world.item.Items;
import net.minecraft.world.level.GameRules;
import net.minecraft.world.level.Level;
import net.minecraft.world.level.LevelAccessor;
import net.minecraft.world.level.LevelReader;
import net.minecraft.world.level.ServerLevelAccessor;
import net.minecraft.world.level.block.Block;
import net.minecraft.world.level.block.Blocks;
import net.minecraft.world.level.block.TurtleEggBlock;
import net.minecraft.world.level.block.state.BlockState;
import net.minecraft.world.level.gameevent.GameEvent;
import net.minecraft.world.level.gameevent.GameEvent.Context;
import net.minecraft.world.level.pathfinder.PathType;
import net.minecraft.world.phys.Vec3;
import org.jetbrains.annotations.Nullable;
public class Turtle extends Animal {
private static final EntityDataAccessor<Boolean> HAS_EGG = SynchedEntityData.defineId(Turtle.class, EntityDataSerializers.BOOLEAN);
private static final EntityDataAccessor<Boolean> LAYING_EGG = SynchedEntityData.defineId(Turtle.class, EntityDataSerializers.BOOLEAN);
private static final float BABY_SCALE = 0.3F;
private static final EntityDimensions BABY_DIMENSIONS = EntityType.TURTLE
.getDimensions()
.withAttachments(EntityAttachments.builder().attach(EntityAttachment.PASSENGER, 0.0F, EntityType.TURTLE.getHeight(), -0.25F))
.scale(0.3F);
private static final boolean DEFAULT_HAS_EGG = false;
int layEggCounter;
public static final Selector BABY_ON_LAND_SELECTOR = (livingEntity, serverLevel) -> livingEntity.isBaby() && !livingEntity.isInWater();
BlockPos homePos = BlockPos.ZERO;
@Nullable
BlockPos travelPos;
boolean goingHome;
public Turtle(EntityType<? extends Turtle> entityType, Level level) {
super(entityType, level);
this.setPathfindingMalus(PathType.WATER, 0.0F);
this.setPathfindingMalus(PathType.DOOR_IRON_CLOSED, -1.0F);
this.setPathfindingMalus(PathType.DOOR_WOOD_CLOSED, -1.0F);
this.setPathfindingMalus(PathType.DOOR_OPEN, -1.0F);
this.moveControl = new Turtle.TurtleMoveControl(this);
}
public void setHomePos(BlockPos homePos) {
this.homePos = homePos;
}
public boolean hasEgg() {
return this.entityData.get(HAS_EGG);
}
void setHasEgg(boolean hasEgg) {
this.entityData.set(HAS_EGG, hasEgg);
}
public boolean isLayingEgg() {
return this.entityData.get(LAYING_EGG);
}
void setLayingEgg(boolean isLayingEgg) {
this.layEggCounter = isLayingEgg ? 1 : 0;
this.entityData.set(LAYING_EGG, isLayingEgg);
}
@Override
protected void defineSynchedData(Builder builder) {
super.defineSynchedData(builder);
builder.define(HAS_EGG, false);
builder.define(LAYING_EGG, false);
}
@Override
public void addAdditionalSaveData(CompoundTag tag) {
super.addAdditionalSaveData(tag);
tag.store("home_pos", BlockPos.CODEC, this.homePos);
tag.putBoolean("has_egg", this.hasEgg());
}
@Override
public void readAdditionalSaveData(CompoundTag tag) {
this.setHomePos((BlockPos)tag.read("home_pos", BlockPos.CODEC).orElse(this.blockPosition()));
super.readAdditionalSaveData(tag);
this.setHasEgg(tag.getBooleanOr("has_egg", false));
}
@Nullable
@Override
public SpawnGroupData finalizeSpawn(
ServerLevelAccessor level, DifficultyInstance difficulty, EntitySpawnReason spawnReason, @Nullable SpawnGroupData spawnGroupData
) {
this.setHomePos(this.blockPosition());
return super.finalizeSpawn(level, difficulty, spawnReason, spawnGroupData);
}
public static boolean checkTurtleSpawnRules(
EntityType<Turtle> entityType, LevelAccessor level, EntitySpawnReason spawnReason, BlockPos pos, RandomSource random
) {
return pos.getY() < level.getSeaLevel() + 4 && TurtleEggBlock.onSand(level, pos) && isBrightEnoughToSpawn(level, pos);
}
@Override
protected void registerGoals() {
this.goalSelector.addGoal(0, new Turtle.TurtlePanicGoal(this, 1.2));
this.goalSelector.addGoal(1, new Turtle.TurtleBreedGoal(this, 1.0));
this.goalSelector.addGoal(1, new Turtle.TurtleLayEggGoal(this, 1.0));
this.goalSelector.addGoal(2, new TemptGoal(this, 1.1, itemStack -> itemStack.is(ItemTags.TURTLE_FOOD), false));
this.goalSelector.addGoal(3, new Turtle.TurtleGoToWaterGoal(this, 1.0));
this.goalSelector.addGoal(4, new Turtle.TurtleGoHomeGoal(this, 1.0));
this.goalSelector.addGoal(7, new Turtle.TurtleTravelGoal(this, 1.0));
this.goalSelector.addGoal(8, new LookAtPlayerGoal(this, Player.class, 8.0F));
this.goalSelector.addGoal(9, new Turtle.TurtleRandomStrollGoal(this, 1.0, 100));
}
public static net.minecraft.world.entity.ai.attributes.AttributeSupplier.Builder createAttributes() {
return Animal.createAnimalAttributes().add(Attributes.MAX_HEALTH, 30.0).add(Attributes.MOVEMENT_SPEED, 0.25).add(Attributes.STEP_HEIGHT, 1.0);
}
@Override
public boolean isPushedByFluid() {
return false;
}
@Override
public int getAmbientSoundInterval() {
return 200;
}
@Nullable
@Override
protected SoundEvent getAmbientSound() {
return !this.isInWater() && this.onGround() && !this.isBaby() ? SoundEvents.TURTLE_AMBIENT_LAND : super.getAmbientSound();
}
@Override
protected void playSwimSound(float volume) {
super.playSwimSound(volume * 1.5F);
}
@Override
protected SoundEvent getSwimSound() {
return SoundEvents.TURTLE_SWIM;
}
@Nullable
@Override
protected SoundEvent getHurtSound(DamageSource damageSource) {
return this.isBaby() ? SoundEvents.TURTLE_HURT_BABY : SoundEvents.TURTLE_HURT;
}
@Nullable
@Override
protected SoundEvent getDeathSound() {
return this.isBaby() ? SoundEvents.TURTLE_DEATH_BABY : SoundEvents.TURTLE_DEATH;
}
@Override
protected void playStepSound(BlockPos pos, BlockState state) {
SoundEvent soundEvent = this.isBaby() ? SoundEvents.TURTLE_SHAMBLE_BABY : SoundEvents.TURTLE_SHAMBLE;
this.playSound(soundEvent, 0.15F, 1.0F);
}
@Override
public boolean canFallInLove() {
return super.canFallInLove() && !this.hasEgg();
}
@Override
protected float nextStep() {
return this.moveDist + 0.15F;
}
@Override
public float getAgeScale() {
return this.isBaby() ? 0.3F : 1.0F;
}
@Override
protected PathNavigation createNavigation(Level level) {
return new Turtle.TurtlePathNavigation(this, level);
}
@Nullable
@Override
public AgeableMob getBreedOffspring(ServerLevel level, AgeableMob otherParent) {
return EntityType.TURTLE.create(level, EntitySpawnReason.BREEDING);
}
@Override
public boolean isFood(ItemStack stack) {
return stack.is(ItemTags.TURTLE_FOOD);
}
@Override
public float getWalkTargetValue(BlockPos pos, LevelReader level) {
if (!this.goingHome && level.getFluidState(pos).is(FluidTags.WATER)) {
return 10.0F;
} else {
return TurtleEggBlock.onSand(level, pos) ? 10.0F : level.getPathfindingCostFromLightLevels(pos);
}
}
@Override
public void aiStep() {
super.aiStep();
if (this.isAlive() && this.isLayingEgg() && this.layEggCounter >= 1 && this.layEggCounter % 5 == 0) {
BlockPos blockPos = this.blockPosition();
if (TurtleEggBlock.onSand(this.level(), blockPos)) {
this.level().levelEvent(2001, blockPos, Block.getId(this.level().getBlockState(blockPos.below())));
this.gameEvent(GameEvent.ENTITY_ACTION);
}
}
}
@Override
protected void ageBoundaryReached() {
super.ageBoundaryReached();
if (!this.isBaby() && this.level() instanceof ServerLevel serverLevel && serverLevel.getGameRules().getBoolean(GameRules.RULE_DOMOBLOOT)) {
this.spawnAtLocation(serverLevel, Items.TURTLE_SCUTE, 1);
}
}
@Override
public void travel(Vec3 travelVector) {
if (this.isInWater()) {
this.moveRelative(0.1F, travelVector);
this.move(MoverType.SELF, this.getDeltaMovement());
this.setDeltaMovement(this.getDeltaMovement().scale(0.9));
if (this.getTarget() == null && (!this.goingHome || !this.homePos.closerToCenterThan(this.position(), 20.0))) {
this.setDeltaMovement(this.getDeltaMovement().add(0.0, -0.005, 0.0));
}
} else {
super.travel(travelVector);
}
}
@Override
public boolean canBeLeashed() {
return false;
}
@Override
public void thunderHit(ServerLevel level, LightningBolt lightning) {
this.hurtServer(level, this.damageSources().lightningBolt(), Float.MAX_VALUE);
}
@Override
public EntityDimensions getDefaultDimensions(Pose pose) {
return this.isBaby() ? BABY_DIMENSIONS : super.getDefaultDimensions(pose);
}
static class TurtleBreedGoal extends BreedGoal {
private final Turtle turtle;
TurtleBreedGoal(Turtle turtle, double speedModifier) {
super(turtle, speedModifier);
this.turtle = turtle;
}
@Override
public boolean canUse() {
return super.canUse() && !this.turtle.hasEgg();
}
@Override
protected void breed() {
ServerPlayer serverPlayer = this.animal.getLoveCause();
if (serverPlayer == null && this.partner.getLoveCause() != null) {
serverPlayer = this.partner.getLoveCause();
}
if (serverPlayer != null) {
serverPlayer.awardStat(Stats.ANIMALS_BRED);
CriteriaTriggers.BRED_ANIMALS.trigger(serverPlayer, this.animal, this.partner, null);
}
this.turtle.setHasEgg(true);
this.animal.setAge(6000);
this.partner.setAge(6000);
this.animal.resetLove();
this.partner.resetLove();
RandomSource randomSource = this.animal.getRandom();
if (getServerLevel(this.level).getGameRules().getBoolean(GameRules.RULE_DOMOBLOOT)) {
this.level.addFreshEntity(new ExperienceOrb(this.level, this.animal.getX(), this.animal.getY(), this.animal.getZ(), randomSource.nextInt(7) + 1));
}
}
}
static class TurtleGoHomeGoal extends Goal {
private final Turtle turtle;
private final double speedModifier;
private boolean stuck;
private int closeToHomeTryTicks;
private static final int GIVE_UP_TICKS = 600;
TurtleGoHomeGoal(Turtle turtle, double speedModifier) {
this.turtle = turtle;
this.speedModifier = speedModifier;
}
@Override
public boolean canUse() {
if (this.turtle.isBaby()) {
return false;
} else if (this.turtle.hasEgg()) {
return true;
} else {
return this.turtle.getRandom().nextInt(reducedTickDelay(700)) != 0 ? false : !this.turtle.homePos.closerToCenterThan(this.turtle.position(), 64.0);
}
}
@Override
public void start() {
this.turtle.goingHome = true;
this.stuck = false;
this.closeToHomeTryTicks = 0;
}
@Override
public void stop() {
this.turtle.goingHome = false;
}
@Override
public boolean canContinueToUse() {
return !this.turtle.homePos.closerToCenterThan(this.turtle.position(), 7.0) && !this.stuck && this.closeToHomeTryTicks <= this.adjustedTickDelay(600);
}
@Override
public void tick() {
BlockPos blockPos = this.turtle.homePos;
boolean bl = blockPos.closerToCenterThan(this.turtle.position(), 16.0);
if (bl) {
this.closeToHomeTryTicks++;
}
if (this.turtle.getNavigation().isDone()) {
Vec3 vec3 = Vec3.atBottomCenterOf(blockPos);
Vec3 vec32 = DefaultRandomPos.getPosTowards(this.turtle, 16, 3, vec3, (float) (Math.PI / 10));
if (vec32 == null) {
vec32 = DefaultRandomPos.getPosTowards(this.turtle, 8, 7, vec3, (float) (Math.PI / 2));
}
if (vec32 != null && !bl && !this.turtle.level().getBlockState(BlockPos.containing(vec32)).is(Blocks.WATER)) {
vec32 = DefaultRandomPos.getPosTowards(this.turtle, 16, 5, vec3, (float) (Math.PI / 2));
}
if (vec32 == null) {
this.stuck = true;
return;
}
this.turtle.getNavigation().moveTo(vec32.x, vec32.y, vec32.z, this.speedModifier);
}
}
}
static class TurtleGoToWaterGoal extends MoveToBlockGoal {
private static final int GIVE_UP_TICKS = 1200;
private final Turtle turtle;
TurtleGoToWaterGoal(Turtle turtle, double speedModifier) {
super(turtle, turtle.isBaby() ? 2.0 : speedModifier, 24);
this.turtle = turtle;
this.verticalSearchStart = -1;
}
@Override
public boolean canContinueToUse() {
return !this.turtle.isInWater() && this.tryTicks <= 1200 && this.isValidTarget(this.turtle.level(), this.blockPos);
}
@Override
public boolean canUse() {
if (this.turtle.isBaby() && !this.turtle.isInWater()) {
return super.canUse();
} else {
return !this.turtle.goingHome && !this.turtle.isInWater() && !this.turtle.hasEgg() ? super.canUse() : false;
}
}
@Override
public boolean shouldRecalculatePath() {
return this.tryTicks % 160 == 0;
}
@Override
protected boolean isValidTarget(LevelReader level, BlockPos pos) {
return level.getBlockState(pos).is(Blocks.WATER);
}
}
static class TurtleLayEggGoal extends MoveToBlockGoal {
private final Turtle turtle;
TurtleLayEggGoal(Turtle turtle, double speedModifier) {
super(turtle, speedModifier, 16);
this.turtle = turtle;
}
@Override
public boolean canUse() {
return this.turtle.hasEgg() && this.turtle.homePos.closerToCenterThan(this.turtle.position(), 9.0) ? super.canUse() : false;
}
@Override
public boolean canContinueToUse() {
return super.canContinueToUse() && this.turtle.hasEgg() && this.turtle.homePos.closerToCenterThan(this.turtle.position(), 9.0);
}
@Override
public void tick() {
super.tick();
BlockPos blockPos = this.turtle.blockPosition();
if (!this.turtle.isInWater() && this.isReachedTarget()) {
if (this.turtle.layEggCounter < 1) {
this.turtle.setLayingEgg(true);
} else if (this.turtle.layEggCounter > this.adjustedTickDelay(200)) {
Level level = this.turtle.level();
level.playSound(null, blockPos, SoundEvents.TURTLE_LAY_EGG, SoundSource.BLOCKS, 0.3F, 0.9F + level.random.nextFloat() * 0.2F);
BlockPos blockPos2 = this.blockPos.above();
BlockState blockState = Blocks.TURTLE_EGG.defaultBlockState().setValue(TurtleEggBlock.EGGS, this.turtle.random.nextInt(4) + 1);
level.setBlock(blockPos2, blockState, 3);
level.gameEvent(GameEvent.BLOCK_PLACE, blockPos2, Context.of(this.turtle, blockState));
this.turtle.setHasEgg(false);
this.turtle.setLayingEgg(false);
this.turtle.setInLoveTime(600);
}
if (this.turtle.isLayingEgg()) {
this.turtle.layEggCounter++;
}
}
}
@Override
protected boolean isValidTarget(LevelReader level, BlockPos pos) {
return !level.isEmptyBlock(pos.above()) ? false : TurtleEggBlock.isSand(level, pos);
}
}
static class TurtleMoveControl extends MoveControl {
private final Turtle turtle;
TurtleMoveControl(Turtle turtle) {
super(turtle);
this.turtle = turtle;
}
private void updateSpeed() {
if (this.turtle.isInWater()) {
this.turtle.setDeltaMovement(this.turtle.getDeltaMovement().add(0.0, 0.005, 0.0));
if (!this.turtle.homePos.closerToCenterThan(this.turtle.position(), 16.0)) {
this.turtle.setSpeed(Math.max(this.turtle.getSpeed() / 2.0F, 0.08F));
}
if (this.turtle.isBaby()) {
this.turtle.setSpeed(Math.max(this.turtle.getSpeed() / 3.0F, 0.06F));
}
} else if (this.turtle.onGround()) {
this.turtle.setSpeed(Math.max(this.turtle.getSpeed() / 2.0F, 0.06F));
}
}
@Override
public void tick() {
this.updateSpeed();
if (this.operation == MoveControl.Operation.MOVE_TO && !this.turtle.getNavigation().isDone()) {
double d = this.wantedX - this.turtle.getX();
double e = this.wantedY - this.turtle.getY();
double f = this.wantedZ - this.turtle.getZ();
double g = Math.sqrt(d * d + e * e + f * f);
if (g < 1.0E-5F) {
this.mob.setSpeed(0.0F);
} else {
e /= g;
float h = (float)(Mth.atan2(f, d) * 180.0F / (float)Math.PI) - 90.0F;
this.turtle.setYRot(this.rotlerp(this.turtle.getYRot(), h, 90.0F));
this.turtle.yBodyRot = this.turtle.getYRot();
float i = (float)(this.speedModifier * this.turtle.getAttributeValue(Attributes.MOVEMENT_SPEED));
this.turtle.setSpeed(Mth.lerp(0.125F, this.turtle.getSpeed(), i));
this.turtle.setDeltaMovement(this.turtle.getDeltaMovement().add(0.0, this.turtle.getSpeed() * e * 0.1, 0.0));
}
} else {
this.turtle.setSpeed(0.0F);
}
}
}
static class TurtlePanicGoal extends PanicGoal {
TurtlePanicGoal(Turtle turtle, double speedModifier) {
super(turtle, speedModifier);
}
@Override
public boolean canUse() {
if (!this.shouldPanic()) {
return false;
} else {
BlockPos blockPos = this.lookForWater(this.mob.level(), this.mob, 7);
if (blockPos != null) {
this.posX = blockPos.getX();
this.posY = blockPos.getY();
this.posZ = blockPos.getZ();
return true;
} else {
return this.findRandomPosition();
}
}
}
}
static class TurtlePathNavigation extends AmphibiousPathNavigation {
TurtlePathNavigation(Turtle turtle, Level level) {
super(turtle, level);
}
@Override
public boolean isStableDestination(BlockPos pos) {
return this.mob instanceof Turtle turtle && turtle.travelPos != null
? this.level.getBlockState(pos).is(Blocks.WATER)
: !this.level.getBlockState(pos.below()).isAir();
}
}
static class TurtleRandomStrollGoal extends RandomStrollGoal {
private final Turtle turtle;
TurtleRandomStrollGoal(Turtle turtle, double speedModifier, int interval) {
super(turtle, speedModifier, interval);
this.turtle = turtle;
}
@Override
public boolean canUse() {
return !this.mob.isInWater() && !this.turtle.goingHome && !this.turtle.hasEgg() ? super.canUse() : false;
}
}
static class TurtleTravelGoal extends Goal {
private final Turtle turtle;
private final double speedModifier;
private boolean stuck;
TurtleTravelGoal(Turtle turtle, double speedModifier) {
this.turtle = turtle;
this.speedModifier = speedModifier;
}
@Override
public boolean canUse() {
return !this.turtle.goingHome && !this.turtle.hasEgg() && this.turtle.isInWater();
}
@Override
public void start() {
int i = 512;
int j = 4;
RandomSource randomSource = this.turtle.random;
int k = randomSource.nextInt(1025) - 512;
int l = randomSource.nextInt(9) - 4;
int m = randomSource.nextInt(1025) - 512;
if (l + this.turtle.getY() > this.turtle.level().getSeaLevel() - 1) {
l = 0;
}
this.turtle.travelPos = BlockPos.containing(k + this.turtle.getX(), l + this.turtle.getY(), m + this.turtle.getZ());
this.stuck = false;
}
@Override
public void tick() {
if (this.turtle.travelPos == null) {
this.stuck = true;
} else {
if (this.turtle.getNavigation().isDone()) {
Vec3 vec3 = Vec3.atBottomCenterOf(this.turtle.travelPos);
Vec3 vec32 = DefaultRandomPos.getPosTowards(this.turtle, 16, 3, vec3, (float) (Math.PI / 10));
if (vec32 == null) {
vec32 = DefaultRandomPos.getPosTowards(this.turtle, 8, 7, vec3, (float) (Math.PI / 2));
}
if (vec32 != null) {
int i = Mth.floor(vec32.x);
int j = Mth.floor(vec32.z);
int k = 34;
if (!this.turtle.level().hasChunksAt(i - 34, j - 34, i + 34, j + 34)) {
vec32 = null;
}
}
if (vec32 == null) {
this.stuck = true;
return;
}
this.turtle.getNavigation().moveTo(vec32.x, vec32.y, vec32.z, this.speedModifier);
}
}
}
@Override
public boolean canContinueToUse() {
return !this.turtle.getNavigation().isDone() && !this.stuck && !this.turtle.goingHome && !this.turtle.isInLove() && !this.turtle.hasEgg();
}
@Override
public void stop() {
this.turtle.travelPos = null;
super.stop();
}
}
}