362 lines
11 KiB
Java
362 lines
11 KiB
Java
package net.minecraft.world.entity.monster;
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import java.util.EnumSet;
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import net.minecraft.core.BlockPos;
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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.sounds.SoundEvent;
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import net.minecraft.sounds.SoundEvents;
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import net.minecraft.util.Mth;
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import net.minecraft.util.RandomSource;
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import net.minecraft.world.DifficultyInstance;
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import net.minecraft.world.damagesource.DamageSource;
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import net.minecraft.world.entity.Entity;
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import net.minecraft.world.entity.EntityReference;
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import net.minecraft.world.entity.EntitySpawnReason;
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import net.minecraft.world.entity.EntityType;
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import net.minecraft.world.entity.EquipmentSlot;
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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.PathfinderMob;
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import net.minecraft.world.entity.SpawnGroupData;
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import net.minecraft.world.entity.TraceableEntity;
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import net.minecraft.world.entity.ai.attributes.AttributeSupplier;
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import net.minecraft.world.entity.ai.attributes.Attributes;
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import net.minecraft.world.entity.ai.control.MoveControl;
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import net.minecraft.world.entity.ai.goal.FloatGoal;
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import net.minecraft.world.entity.ai.goal.Goal;
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import net.minecraft.world.entity.ai.goal.LookAtPlayerGoal;
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import net.minecraft.world.entity.ai.goal.target.HurtByTargetGoal;
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import net.minecraft.world.entity.ai.goal.target.NearestAttackableTargetGoal;
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import net.minecraft.world.entity.ai.goal.target.TargetGoal;
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import net.minecraft.world.entity.ai.targeting.TargetingConditions;
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import net.minecraft.world.entity.player.Player;
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import net.minecraft.world.entity.raid.Raider;
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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.Level;
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import net.minecraft.world.level.ServerLevelAccessor;
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import net.minecraft.world.level.storage.ValueInput;
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import net.minecraft.world.level.storage.ValueOutput;
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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 Vex extends Monster implements TraceableEntity {
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public static final float FLAP_DEGREES_PER_TICK = 45.836624F;
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public static final int TICKS_PER_FLAP = Mth.ceil((float) (Math.PI * 5.0 / 4.0));
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protected static final EntityDataAccessor<Byte> DATA_FLAGS_ID = SynchedEntityData.defineId(Vex.class, EntityDataSerializers.BYTE);
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private static final int FLAG_IS_CHARGING = 1;
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@Nullable
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private EntityReference<Mob> owner;
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@Nullable
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private BlockPos boundOrigin;
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private boolean hasLimitedLife;
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private int limitedLifeTicks;
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public Vex(EntityType<? extends Vex> entityType, Level level) {
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super(entityType, level);
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this.moveControl = new Vex.VexMoveControl(this);
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this.xpReward = 3;
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}
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@Override
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public boolean isFlapping() {
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return this.tickCount % TICKS_PER_FLAP == 0;
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}
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@Override
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protected boolean isAffectedByBlocks() {
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return !this.isRemoved();
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}
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@Override
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public void tick() {
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this.noPhysics = true;
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super.tick();
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this.noPhysics = false;
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this.setNoGravity(true);
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if (this.hasLimitedLife && --this.limitedLifeTicks <= 0) {
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this.limitedLifeTicks = 20;
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this.hurt(this.damageSources().starve(), 1.0F);
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}
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}
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@Override
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protected void registerGoals() {
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super.registerGoals();
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this.goalSelector.addGoal(0, new FloatGoal(this));
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this.goalSelector.addGoal(4, new Vex.VexChargeAttackGoal());
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this.goalSelector.addGoal(8, new Vex.VexRandomMoveGoal());
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this.goalSelector.addGoal(9, new LookAtPlayerGoal(this, Player.class, 3.0F, 1.0F));
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this.goalSelector.addGoal(10, new LookAtPlayerGoal(this, Mob.class, 8.0F));
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this.targetSelector.addGoal(1, new HurtByTargetGoal(this, Raider.class).setAlertOthers());
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this.targetSelector.addGoal(2, new Vex.VexCopyOwnerTargetGoal(this));
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this.targetSelector.addGoal(3, new NearestAttackableTargetGoal(this, Player.class, true));
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}
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public static AttributeSupplier.Builder createAttributes() {
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return Monster.createMonsterAttributes().add(Attributes.MAX_HEALTH, 14.0).add(Attributes.ATTACK_DAMAGE, 4.0);
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}
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@Override
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protected void defineSynchedData(SynchedEntityData.Builder builder) {
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super.defineSynchedData(builder);
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builder.define(DATA_FLAGS_ID, (byte)0);
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}
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@Override
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protected void readAdditionalSaveData(ValueInput input) {
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super.readAdditionalSaveData(input);
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this.boundOrigin = (BlockPos)input.read("bound_pos", BlockPos.CODEC).orElse(null);
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input.getInt("life_ticks").ifPresentOrElse(this::setLimitedLife, () -> this.hasLimitedLife = false);
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this.owner = EntityReference.read(input, "owner");
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}
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@Override
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public void restoreFrom(Entity entity) {
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super.restoreFrom(entity);
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if (entity instanceof Vex vex) {
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this.owner = vex.owner;
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}
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}
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@Override
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protected void addAdditionalSaveData(ValueOutput output) {
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super.addAdditionalSaveData(output);
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output.storeNullable("bound_pos", BlockPos.CODEC, this.boundOrigin);
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if (this.hasLimitedLife) {
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output.putInt("life_ticks", this.limitedLifeTicks);
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}
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EntityReference.store(this.owner, output, "owner");
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}
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@Nullable
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public Mob getOwner() {
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return (Mob)EntityReference.get(this.owner, this.level(), Mob.class);
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}
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@Nullable
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public BlockPos getBoundOrigin() {
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return this.boundOrigin;
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}
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public void setBoundOrigin(@Nullable BlockPos boundOrigin) {
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this.boundOrigin = boundOrigin;
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}
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private boolean getVexFlag(int mask) {
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int i = this.entityData.get(DATA_FLAGS_ID);
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return (i & mask) != 0;
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}
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private void setVexFlag(int mask, boolean value) {
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int i = this.entityData.get(DATA_FLAGS_ID);
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if (value) {
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i |= mask;
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} else {
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i &= ~mask;
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}
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this.entityData.set(DATA_FLAGS_ID, (byte)(i & 0xFF));
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}
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public boolean isCharging() {
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return this.getVexFlag(1);
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}
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public void setIsCharging(boolean charging) {
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this.setVexFlag(1, charging);
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}
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public void setOwner(Mob owner) {
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this.owner = new EntityReference<>(owner);
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}
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public void setLimitedLife(int limitedLifeTicks) {
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this.hasLimitedLife = true;
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this.limitedLifeTicks = limitedLifeTicks;
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}
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@Override
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protected SoundEvent getAmbientSound() {
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return SoundEvents.VEX_AMBIENT;
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}
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@Override
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protected SoundEvent getDeathSound() {
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return SoundEvents.VEX_DEATH;
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}
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@Override
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protected SoundEvent getHurtSound(DamageSource damageSource) {
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return SoundEvents.VEX_HURT;
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}
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@Override
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public float getLightLevelDependentMagicValue() {
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return 1.0F;
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}
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@Nullable
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@Override
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public SpawnGroupData finalizeSpawn(
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ServerLevelAccessor level, DifficultyInstance difficulty, EntitySpawnReason spawnReason, @Nullable SpawnGroupData spawnGroupData
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) {
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RandomSource randomSource = level.getRandom();
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this.populateDefaultEquipmentSlots(randomSource, difficulty);
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this.populateDefaultEquipmentEnchantments(level, randomSource, difficulty);
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return super.finalizeSpawn(level, difficulty, spawnReason, spawnGroupData);
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}
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@Override
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protected void populateDefaultEquipmentSlots(RandomSource random, DifficultyInstance difficulty) {
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this.setItemSlot(EquipmentSlot.MAINHAND, new ItemStack(Items.IRON_SWORD));
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this.setDropChance(EquipmentSlot.MAINHAND, 0.0F);
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}
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class VexChargeAttackGoal extends Goal {
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public VexChargeAttackGoal() {
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this.setFlags(EnumSet.of(Goal.Flag.MOVE));
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}
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@Override
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public boolean canUse() {
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LivingEntity livingEntity = Vex.this.getTarget();
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return livingEntity != null && livingEntity.isAlive() && !Vex.this.getMoveControl().hasWanted() && Vex.this.random.nextInt(reducedTickDelay(7)) == 0
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? Vex.this.distanceToSqr(livingEntity) > 4.0
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: false;
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}
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@Override
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public boolean canContinueToUse() {
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return Vex.this.getMoveControl().hasWanted() && Vex.this.isCharging() && Vex.this.getTarget() != null && Vex.this.getTarget().isAlive();
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}
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@Override
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public void start() {
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LivingEntity livingEntity = Vex.this.getTarget();
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if (livingEntity != null) {
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Vec3 vec3 = livingEntity.getEyePosition();
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Vex.this.moveControl.setWantedPosition(vec3.x, vec3.y, vec3.z, 1.0);
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}
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Vex.this.setIsCharging(true);
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Vex.this.playSound(SoundEvents.VEX_CHARGE, 1.0F, 1.0F);
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}
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@Override
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public void stop() {
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Vex.this.setIsCharging(false);
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}
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@Override
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public boolean requiresUpdateEveryTick() {
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return true;
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}
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@Override
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public void tick() {
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LivingEntity livingEntity = Vex.this.getTarget();
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if (livingEntity != null) {
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if (Vex.this.getBoundingBox().intersects(livingEntity.getBoundingBox())) {
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Vex.this.doHurtTarget(getServerLevel(Vex.this.level()), livingEntity);
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Vex.this.setIsCharging(false);
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} else {
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double d = Vex.this.distanceToSqr(livingEntity);
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if (d < 9.0) {
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Vec3 vec3 = livingEntity.getEyePosition();
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Vex.this.moveControl.setWantedPosition(vec3.x, vec3.y, vec3.z, 1.0);
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}
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}
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}
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}
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}
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class VexCopyOwnerTargetGoal extends TargetGoal {
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private final TargetingConditions copyOwnerTargeting = TargetingConditions.forNonCombat().ignoreLineOfSight().ignoreInvisibilityTesting();
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public VexCopyOwnerTargetGoal(final PathfinderMob mob) {
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super(mob, false);
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}
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@Override
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public boolean canUse() {
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Mob mob = Vex.this.getOwner();
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return mob != null && mob.getTarget() != null && this.canAttack(mob.getTarget(), this.copyOwnerTargeting);
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}
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@Override
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public void start() {
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Mob mob = Vex.this.getOwner();
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Vex.this.setTarget(mob != null ? mob.getTarget() : null);
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super.start();
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}
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}
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class VexMoveControl extends MoveControl {
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public VexMoveControl(final Vex vex) {
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super(vex);
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}
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@Override
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public void tick() {
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if (this.operation == MoveControl.Operation.MOVE_TO) {
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Vec3 vec3 = new Vec3(this.wantedX - Vex.this.getX(), this.wantedY - Vex.this.getY(), this.wantedZ - Vex.this.getZ());
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double d = vec3.length();
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if (d < Vex.this.getBoundingBox().getSize()) {
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this.operation = MoveControl.Operation.WAIT;
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Vex.this.setDeltaMovement(Vex.this.getDeltaMovement().scale(0.5));
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} else {
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Vex.this.setDeltaMovement(Vex.this.getDeltaMovement().add(vec3.scale(this.speedModifier * 0.05 / d)));
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if (Vex.this.getTarget() == null) {
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Vec3 vec32 = Vex.this.getDeltaMovement();
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Vex.this.setYRot(-((float)Mth.atan2(vec32.x, vec32.z)) * (180.0F / (float)Math.PI));
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Vex.this.yBodyRot = Vex.this.getYRot();
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} else {
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double e = Vex.this.getTarget().getX() - Vex.this.getX();
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double f = Vex.this.getTarget().getZ() - Vex.this.getZ();
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Vex.this.setYRot(-((float)Mth.atan2(e, f)) * (180.0F / (float)Math.PI));
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Vex.this.yBodyRot = Vex.this.getYRot();
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}
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}
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}
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}
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}
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class VexRandomMoveGoal extends Goal {
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public VexRandomMoveGoal() {
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this.setFlags(EnumSet.of(Goal.Flag.MOVE));
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}
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@Override
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public boolean canUse() {
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return !Vex.this.getMoveControl().hasWanted() && Vex.this.random.nextInt(reducedTickDelay(7)) == 0;
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}
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@Override
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public boolean canContinueToUse() {
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return false;
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}
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@Override
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public void tick() {
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BlockPos blockPos = Vex.this.getBoundOrigin();
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if (blockPos == null) {
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blockPos = Vex.this.blockPosition();
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}
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for (int i = 0; i < 3; i++) {
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BlockPos blockPos2 = blockPos.offset(Vex.this.random.nextInt(15) - 7, Vex.this.random.nextInt(11) - 5, Vex.this.random.nextInt(15) - 7);
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if (Vex.this.level().isEmptyBlock(blockPos2)) {
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Vex.this.moveControl.setWantedPosition(blockPos2.getX() + 0.5, blockPos2.getY() + 0.5, blockPos2.getZ() + 0.5, 0.25);
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if (Vex.this.getTarget() == null) {
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Vex.this.getLookControl().setLookAt(blockPos2.getX() + 0.5, blockPos2.getY() + 0.5, blockPos2.getZ() + 0.5, 180.0F, 20.0F);
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}
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break;
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}
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}
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}
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}
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}
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