minecraft-src/net/minecraft/world/entity/animal/MushroomCow.java
2025-07-04 01:41:11 +03:00

287 lines
10 KiB
Java

package net.minecraft.world.entity.animal;
import java.util.Optional;
import java.util.UUID;
import net.minecraft.core.BlockPos;
import net.minecraft.core.component.DataComponents;
import net.minecraft.core.particles.ParticleTypes;
import net.minecraft.nbt.CompoundTag;
import net.minecraft.nbt.NbtOps;
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.sounds.SoundSource;
import net.minecraft.tags.BlockTags;
import net.minecraft.tags.ItemTags;
import net.minecraft.util.RandomSource;
import net.minecraft.util.StringRepresentable;
import net.minecraft.world.InteractionHand;
import net.minecraft.world.InteractionResult;
import net.minecraft.world.entity.AgeableMob;
import net.minecraft.world.entity.EntityType;
import net.minecraft.world.entity.LightningBolt;
import net.minecraft.world.entity.MobSpawnType;
import net.minecraft.world.entity.Shearable;
import net.minecraft.world.entity.VariantHolder;
import net.minecraft.world.entity.item.ItemEntity;
import net.minecraft.world.entity.player.Player;
import net.minecraft.world.item.ItemStack;
import net.minecraft.world.item.ItemUtils;
import net.minecraft.world.item.Items;
import net.minecraft.world.item.component.SuspiciousStewEffects;
import net.minecraft.world.level.Level;
import net.minecraft.world.level.LevelAccessor;
import net.minecraft.world.level.LevelReader;
import net.minecraft.world.level.block.Blocks;
import net.minecraft.world.level.block.SuspiciousEffectHolder;
import net.minecraft.world.level.block.state.BlockState;
import net.minecraft.world.level.gameevent.GameEvent;
import org.jetbrains.annotations.Nullable;
public class MushroomCow extends Cow implements Shearable, VariantHolder<MushroomCow.MushroomType> {
private static final EntityDataAccessor<String> DATA_TYPE = SynchedEntityData.defineId(MushroomCow.class, EntityDataSerializers.STRING);
private static final int MUTATE_CHANCE = 1024;
private static final String TAG_STEW_EFFECTS = "stew_effects";
@Nullable
private SuspiciousStewEffects stewEffects;
/**
* Stores the UUID of the most recent lightning bolt to strike
*/
@Nullable
private UUID lastLightningBoltUUID;
public MushroomCow(EntityType<? extends MushroomCow> entityType, Level level) {
super(entityType, level);
}
@Override
public float getWalkTargetValue(BlockPos pos, LevelReader level) {
return level.getBlockState(pos.below()).is(Blocks.MYCELIUM) ? 10.0F : level.getPathfindingCostFromLightLevels(pos);
}
public static boolean checkMushroomSpawnRules(
EntityType<MushroomCow> mushroomCow, LevelAccessor level, MobSpawnType spawnType, BlockPos pos, RandomSource randomSource
) {
return level.getBlockState(pos.below()).is(BlockTags.MOOSHROOMS_SPAWNABLE_ON) && isBrightEnoughToSpawn(level, pos);
}
@Override
public void thunderHit(ServerLevel level, LightningBolt lightning) {
UUID uUID = lightning.getUUID();
if (!uUID.equals(this.lastLightningBoltUUID)) {
this.setVariant(this.getVariant() == MushroomCow.MushroomType.RED ? MushroomCow.MushroomType.BROWN : MushroomCow.MushroomType.RED);
this.lastLightningBoltUUID = uUID;
this.playSound(SoundEvents.MOOSHROOM_CONVERT, 2.0F, 1.0F);
}
}
@Override
protected void defineSynchedData(SynchedEntityData.Builder builder) {
super.defineSynchedData(builder);
builder.define(DATA_TYPE, MushroomCow.MushroomType.RED.type);
}
@Override
public InteractionResult mobInteract(Player player, InteractionHand hand) {
ItemStack itemStack = player.getItemInHand(hand);
if (itemStack.is(Items.BOWL) && !this.isBaby()) {
boolean bl = false;
ItemStack itemStack2;
if (this.stewEffects != null) {
bl = true;
itemStack2 = new ItemStack(Items.SUSPICIOUS_STEW);
itemStack2.set(DataComponents.SUSPICIOUS_STEW_EFFECTS, this.stewEffects);
this.stewEffects = null;
} else {
itemStack2 = new ItemStack(Items.MUSHROOM_STEW);
}
ItemStack itemStack3 = ItemUtils.createFilledResult(itemStack, player, itemStack2, false);
player.setItemInHand(hand, itemStack3);
SoundEvent soundEvent;
if (bl) {
soundEvent = SoundEvents.MOOSHROOM_MILK_SUSPICIOUSLY;
} else {
soundEvent = SoundEvents.MOOSHROOM_MILK;
}
this.playSound(soundEvent, 1.0F, 1.0F);
return InteractionResult.sidedSuccess(this.level().isClientSide);
} else if (itemStack.is(Items.SHEARS) && this.readyForShearing()) {
this.shear(SoundSource.PLAYERS);
this.gameEvent(GameEvent.SHEAR, player);
if (!this.level().isClientSide) {
itemStack.hurtAndBreak(1, player, getSlotForHand(hand));
}
return InteractionResult.sidedSuccess(this.level().isClientSide);
} else if (this.getVariant() == MushroomCow.MushroomType.BROWN && itemStack.is(ItemTags.SMALL_FLOWERS)) {
if (this.stewEffects != null) {
for (int i = 0; i < 2; i++) {
this.level()
.addParticle(
ParticleTypes.SMOKE,
this.getX() + this.random.nextDouble() / 2.0,
this.getY(0.5),
this.getZ() + this.random.nextDouble() / 2.0,
0.0,
this.random.nextDouble() / 5.0,
0.0
);
}
} else {
Optional<SuspiciousStewEffects> optional = this.getEffectsFromItemStack(itemStack);
if (optional.isEmpty()) {
return InteractionResult.PASS;
}
itemStack.consume(1, player);
for (int j = 0; j < 4; j++) {
this.level()
.addParticle(
ParticleTypes.EFFECT,
this.getX() + this.random.nextDouble() / 2.0,
this.getY(0.5),
this.getZ() + this.random.nextDouble() / 2.0,
0.0,
this.random.nextDouble() / 5.0,
0.0
);
}
this.stewEffects = (SuspiciousStewEffects)optional.get();
this.playSound(SoundEvents.MOOSHROOM_EAT, 2.0F, 1.0F);
}
return InteractionResult.sidedSuccess(this.level().isClientSide);
} else {
return super.mobInteract(player, hand);
}
}
@Override
public void shear(SoundSource source) {
this.level().playSound(null, this, SoundEvents.MOOSHROOM_SHEAR, source, 1.0F, 1.0F);
if (!this.level().isClientSide()) {
Cow cow = EntityType.COW.create(this.level());
if (cow != null) {
((ServerLevel)this.level()).sendParticles(ParticleTypes.EXPLOSION, this.getX(), this.getY(0.5), this.getZ(), 1, 0.0, 0.0, 0.0, 0.0);
this.discard();
cow.moveTo(this.getX(), this.getY(), this.getZ(), this.getYRot(), this.getXRot());
cow.setHealth(this.getHealth());
cow.yBodyRot = this.yBodyRot;
if (this.hasCustomName()) {
cow.setCustomName(this.getCustomName());
cow.setCustomNameVisible(this.isCustomNameVisible());
}
if (this.isPersistenceRequired()) {
cow.setPersistenceRequired();
}
cow.setInvulnerable(this.isInvulnerable());
this.level().addFreshEntity(cow);
for (int i = 0; i < 5; i++) {
this.level()
.addFreshEntity(new ItemEntity(this.level(), this.getX(), this.getY(1.0), this.getZ(), new ItemStack(this.getVariant().blockState.getBlock())));
}
}
}
}
@Override
public boolean readyForShearing() {
return this.isAlive() && !this.isBaby();
}
@Override
public void addAdditionalSaveData(CompoundTag compound) {
super.addAdditionalSaveData(compound);
compound.putString("Type", this.getVariant().getSerializedName());
if (this.stewEffects != null) {
SuspiciousStewEffects.CODEC.encodeStart(NbtOps.INSTANCE, this.stewEffects).ifSuccess(tag -> compound.put("stew_effects", tag));
}
}
@Override
public void readAdditionalSaveData(CompoundTag compound) {
super.readAdditionalSaveData(compound);
this.setVariant(MushroomCow.MushroomType.byType(compound.getString("Type")));
if (compound.contains("stew_effects", 9)) {
SuspiciousStewEffects.CODEC
.parse(NbtOps.INSTANCE, compound.get("stew_effects"))
.ifSuccess(suspiciousStewEffects -> this.stewEffects = suspiciousStewEffects);
}
}
private Optional<SuspiciousStewEffects> getEffectsFromItemStack(ItemStack stack) {
SuspiciousEffectHolder suspiciousEffectHolder = SuspiciousEffectHolder.tryGet(stack.getItem());
return suspiciousEffectHolder != null ? Optional.of(suspiciousEffectHolder.getSuspiciousEffects()) : Optional.empty();
}
public void setVariant(MushroomCow.MushroomType variant) {
this.entityData.set(DATA_TYPE, variant.type);
}
public MushroomCow.MushroomType getVariant() {
return MushroomCow.MushroomType.byType(this.entityData.get(DATA_TYPE));
}
@Nullable
public MushroomCow getBreedOffspring(ServerLevel level, AgeableMob otherParent) {
MushroomCow mushroomCow = EntityType.MOOSHROOM.create(level);
if (mushroomCow != null) {
mushroomCow.setVariant(this.getOffspringType((MushroomCow)otherParent));
}
return mushroomCow;
}
private MushroomCow.MushroomType getOffspringType(MushroomCow mate) {
MushroomCow.MushroomType mushroomType = this.getVariant();
MushroomCow.MushroomType mushroomType2 = mate.getVariant();
MushroomCow.MushroomType mushroomType3;
if (mushroomType == mushroomType2 && this.random.nextInt(1024) == 0) {
mushroomType3 = mushroomType == MushroomCow.MushroomType.BROWN ? MushroomCow.MushroomType.RED : MushroomCow.MushroomType.BROWN;
} else {
mushroomType3 = this.random.nextBoolean() ? mushroomType : mushroomType2;
}
return mushroomType3;
}
public static enum MushroomType implements StringRepresentable {
RED("red", Blocks.RED_MUSHROOM.defaultBlockState()),
BROWN("brown", Blocks.BROWN_MUSHROOM.defaultBlockState());
public static final StringRepresentable.EnumCodec<MushroomCow.MushroomType> CODEC = StringRepresentable.fromEnum(MushroomCow.MushroomType::values);
final String type;
final BlockState blockState;
private MushroomType(final String type, final BlockState blockState) {
this.type = type;
this.blockState = blockState;
}
/**
* A block state that is rendered on the back of the mooshroom.
*/
public BlockState getBlockState() {
return this.blockState;
}
@Override
public String getSerializedName() {
return this.type;
}
static MushroomCow.MushroomType byType(String name) {
return (MushroomCow.MushroomType)CODEC.byName(name, RED);
}
}
}