200 lines
7.1 KiB
Java
200 lines
7.1 KiB
Java
package net.minecraft.world.entity.animal;
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import net.minecraft.core.BlockPos;
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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.sounds.SoundSource;
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import net.minecraft.tags.BiomeTags;
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import net.minecraft.util.Mth;
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import net.minecraft.world.InteractionHand;
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import net.minecraft.world.InteractionResult;
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import net.minecraft.world.damagesource.DamageSource;
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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.Shearable;
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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.LookAtPlayerGoal;
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import net.minecraft.world.entity.ai.goal.RandomLookAroundGoal;
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import net.minecraft.world.entity.ai.goal.RangedAttackGoal;
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import net.minecraft.world.entity.ai.goal.WaterAvoidingRandomStrollGoal;
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import net.minecraft.world.entity.ai.goal.target.NearestAttackableTargetGoal;
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import net.minecraft.world.entity.monster.Enemy;
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import net.minecraft.world.entity.monster.RangedAttackMob;
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import net.minecraft.world.entity.player.Player;
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import net.minecraft.world.entity.projectile.Projectile;
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import net.minecraft.world.entity.projectile.Snowball;
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import net.minecraft.world.item.ItemStack;
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import net.minecraft.world.item.Items;
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import net.minecraft.world.level.GameRules;
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import net.minecraft.world.level.Level;
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import net.minecraft.world.level.block.Blocks;
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import net.minecraft.world.level.block.state.BlockState;
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import net.minecraft.world.level.gameevent.GameEvent;
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import net.minecraft.world.level.gameevent.GameEvent.Context;
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import net.minecraft.world.level.storage.loot.BuiltInLootTables;
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import net.minecraft.world.phys.Vec3;
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import org.jetbrains.annotations.Nullable;
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public class SnowGolem extends AbstractGolem implements Shearable, RangedAttackMob {
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private static final EntityDataAccessor<Byte> DATA_PUMPKIN_ID = SynchedEntityData.defineId(SnowGolem.class, EntityDataSerializers.BYTE);
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private static final byte PUMPKIN_FLAG = 16;
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public SnowGolem(EntityType<? extends SnowGolem> entityType, Level level) {
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super(entityType, level);
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}
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@Override
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protected void registerGoals() {
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this.goalSelector.addGoal(1, new RangedAttackGoal(this, 1.25, 20, 10.0F));
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this.goalSelector.addGoal(2, new WaterAvoidingRandomStrollGoal(this, 1.0, 1.0000001E-5F));
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this.goalSelector.addGoal(3, new LookAtPlayerGoal(this, Player.class, 6.0F));
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this.goalSelector.addGoal(4, new RandomLookAroundGoal(this));
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this.targetSelector
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.addGoal(1, new NearestAttackableTargetGoal(this, Mob.class, 10, true, false, (livingEntity, serverLevel) -> livingEntity instanceof Enemy));
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}
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public static Builder createAttributes() {
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return Mob.createMobAttributes().add(Attributes.MAX_HEALTH, 4.0).add(Attributes.MOVEMENT_SPEED, 0.2F);
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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_PUMPKIN_ID, (byte)16);
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}
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@Override
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public void addAdditionalSaveData(CompoundTag tag) {
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super.addAdditionalSaveData(tag);
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tag.putBoolean("Pumpkin", this.hasPumpkin());
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}
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@Override
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public void readAdditionalSaveData(CompoundTag tag) {
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super.readAdditionalSaveData(tag);
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if (tag.contains("Pumpkin")) {
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this.setPumpkin(tag.getBoolean("Pumpkin"));
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}
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}
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@Override
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public boolean isSensitiveToWater() {
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return true;
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}
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@Override
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public void aiStep() {
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super.aiStep();
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if (this.level() instanceof ServerLevel serverLevel) {
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if (this.level().getBiome(this.blockPosition()).is(BiomeTags.SNOW_GOLEM_MELTS)) {
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this.hurtServer(serverLevel, this.damageSources().onFire(), 1.0F);
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}
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if (!serverLevel.getGameRules().getBoolean(GameRules.RULE_MOBGRIEFING)) {
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return;
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}
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BlockState blockState = Blocks.SNOW.defaultBlockState();
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for (int i = 0; i < 4; i++) {
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int j = Mth.floor(this.getX() + (i % 2 * 2 - 1) * 0.25F);
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int k = Mth.floor(this.getY());
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int l = Mth.floor(this.getZ() + (i / 2 % 2 * 2 - 1) * 0.25F);
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BlockPos blockPos = new BlockPos(j, k, l);
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if (this.level().getBlockState(blockPos).isAir() && blockState.canSurvive(this.level(), blockPos)) {
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this.level().setBlockAndUpdate(blockPos, blockState);
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this.level().gameEvent(GameEvent.BLOCK_PLACE, blockPos, Context.of(this, blockState));
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}
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}
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}
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}
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@Override
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public void performRangedAttack(LivingEntity target, float velocity) {
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double d = target.getX() - this.getX();
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double e = target.getEyeY() - 1.1F;
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double f = target.getZ() - this.getZ();
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double g = Math.sqrt(d * d + f * f) * 0.2F;
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if (this.level() instanceof ServerLevel serverLevel) {
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ItemStack itemStack = new ItemStack(Items.SNOWBALL);
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Projectile.spawnProjectile(
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new Snowball(serverLevel, this, itemStack), serverLevel, itemStack, snowball -> snowball.shoot(d, e + g - snowball.getY(), f, 1.6F, 12.0F)
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);
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}
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this.playSound(SoundEvents.SNOW_GOLEM_SHOOT, 1.0F, 0.4F / (this.getRandom().nextFloat() * 0.4F + 0.8F));
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}
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@Override
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protected InteractionResult mobInteract(Player player, InteractionHand hand) {
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ItemStack itemStack = player.getItemInHand(hand);
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if (itemStack.is(Items.SHEARS) && this.readyForShearing()) {
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if (this.level() instanceof ServerLevel serverLevel) {
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this.shear(serverLevel, SoundSource.PLAYERS, itemStack);
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this.gameEvent(GameEvent.SHEAR, player);
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itemStack.hurtAndBreak(1, player, getSlotForHand(hand));
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}
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return InteractionResult.SUCCESS;
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} else {
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return InteractionResult.PASS;
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}
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}
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@Override
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public void shear(ServerLevel level, SoundSource soundSource, ItemStack shears) {
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level.playSound(null, this, SoundEvents.SNOW_GOLEM_SHEAR, soundSource, 1.0F, 1.0F);
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this.setPumpkin(false);
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this.dropFromShearingLootTable(
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level, BuiltInLootTables.SHEAR_SNOW_GOLEM, shears, (serverLevel, itemStack) -> this.spawnAtLocation(serverLevel, itemStack, this.getEyeHeight())
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);
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}
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@Override
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public boolean readyForShearing() {
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return this.isAlive() && this.hasPumpkin();
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}
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public boolean hasPumpkin() {
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return (this.entityData.get(DATA_PUMPKIN_ID) & 16) != 0;
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}
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public void setPumpkin(boolean pumpkinEquipped) {
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byte b = this.entityData.get(DATA_PUMPKIN_ID);
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if (pumpkinEquipped) {
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this.entityData.set(DATA_PUMPKIN_ID, (byte)(b | 16));
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} else {
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this.entityData.set(DATA_PUMPKIN_ID, (byte)(b & -17));
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}
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}
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@Nullable
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@Override
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protected SoundEvent getAmbientSound() {
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return SoundEvents.SNOW_GOLEM_AMBIENT;
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}
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@Nullable
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@Override
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protected SoundEvent getHurtSound(DamageSource damageSource) {
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return SoundEvents.SNOW_GOLEM_HURT;
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}
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@Nullable
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@Override
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protected SoundEvent getDeathSound() {
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return SoundEvents.SNOW_GOLEM_DEATH;
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}
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@Override
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public Vec3 getLeashOffset() {
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return new Vec3(0.0, 0.75F * this.getEyeHeight(), this.getBbWidth() * 0.4F);
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}
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}
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