315 lines
11 KiB
Java
315 lines
11 KiB
Java
package net.minecraft.world.entity.projectile;
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import it.unimi.dsi.fastutil.doubles.DoubleDoubleImmutablePair;
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import java.util.List;
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import java.util.OptionalInt;
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import net.minecraft.core.BlockPos;
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import net.minecraft.core.component.DataComponents;
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import net.minecraft.core.particles.ParticleTypes;
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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.SoundEvents;
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import net.minecraft.sounds.SoundSource;
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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.EntityType;
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import net.minecraft.world.entity.InsideBlockEffectApplier;
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import net.minecraft.world.entity.LivingEntity;
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import net.minecraft.world.entity.MoverType;
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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.item.component.FireworkExplosion;
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import net.minecraft.world.item.component.Fireworks;
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import net.minecraft.world.level.ClipContext;
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import net.minecraft.world.level.Level;
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import net.minecraft.world.level.gameevent.GameEvent;
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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.BlockHitResult;
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import net.minecraft.world.phys.EntityHitResult;
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import net.minecraft.world.phys.HitResult;
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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 FireworkRocketEntity extends Projectile implements ItemSupplier {
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private static final EntityDataAccessor<ItemStack> DATA_ID_FIREWORKS_ITEM = SynchedEntityData.defineId(
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FireworkRocketEntity.class, EntityDataSerializers.ITEM_STACK
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);
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private static final EntityDataAccessor<OptionalInt> DATA_ATTACHED_TO_TARGET = SynchedEntityData.defineId(
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FireworkRocketEntity.class, EntityDataSerializers.OPTIONAL_UNSIGNED_INT
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);
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private static final EntityDataAccessor<Boolean> DATA_SHOT_AT_ANGLE = SynchedEntityData.defineId(FireworkRocketEntity.class, EntityDataSerializers.BOOLEAN);
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private static final int DEFAULT_LIFE = 0;
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private static final int DEFAULT_LIFE_TIME = 0;
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private static final boolean DEFAULT_SHOT_AT_ANGLE = false;
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private int life = 0;
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private int lifetime = 0;
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@Nullable
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private LivingEntity attachedToEntity;
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public FireworkRocketEntity(EntityType<? extends FireworkRocketEntity> entityType, Level level) {
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super(entityType, level);
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}
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public FireworkRocketEntity(Level level, double x, double y, double z, ItemStack stack) {
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super(EntityType.FIREWORK_ROCKET, level);
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this.life = 0;
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this.setPos(x, y, z);
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this.entityData.set(DATA_ID_FIREWORKS_ITEM, stack.copy());
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int i = 1;
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Fireworks fireworks = stack.get(DataComponents.FIREWORKS);
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if (fireworks != null) {
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i += fireworks.flightDuration();
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}
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this.setDeltaMovement(this.random.triangle(0.0, 0.002297), 0.05, this.random.triangle(0.0, 0.002297));
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this.lifetime = 10 * i + this.random.nextInt(6) + this.random.nextInt(7);
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}
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public FireworkRocketEntity(Level level, @Nullable Entity shooter, double x, double y, double z, ItemStack stack) {
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this(level, x, y, z, stack);
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this.setOwner(shooter);
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}
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public FireworkRocketEntity(Level level, ItemStack stack, LivingEntity shooter) {
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this(level, shooter, shooter.getX(), shooter.getY(), shooter.getZ(), stack);
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this.entityData.set(DATA_ATTACHED_TO_TARGET, OptionalInt.of(shooter.getId()));
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this.attachedToEntity = shooter;
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}
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public FireworkRocketEntity(Level level, ItemStack stack, double x, double y, double z, boolean shotAtAngle) {
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this(level, x, y, z, stack);
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this.entityData.set(DATA_SHOT_AT_ANGLE, shotAtAngle);
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}
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public FireworkRocketEntity(Level level, ItemStack stack, Entity shooter, double x, double y, double z, boolean shotAtAngle) {
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this(level, stack, x, y, z, shotAtAngle);
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this.setOwner(shooter);
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}
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@Override
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protected void defineSynchedData(SynchedEntityData.Builder builder) {
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builder.define(DATA_ID_FIREWORKS_ITEM, getDefaultItem());
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builder.define(DATA_ATTACHED_TO_TARGET, OptionalInt.empty());
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builder.define(DATA_SHOT_AT_ANGLE, false);
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}
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@Override
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public boolean shouldRenderAtSqrDistance(double distance) {
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return distance < 4096.0 && !this.isAttachedToEntity();
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}
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@Override
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public boolean shouldRender(double x, double y, double z) {
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return super.shouldRender(x, y, z) && !this.isAttachedToEntity();
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}
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@Override
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public void tick() {
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super.tick();
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HitResult hitResult;
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if (this.isAttachedToEntity()) {
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if (this.attachedToEntity == null) {
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this.entityData.get(DATA_ATTACHED_TO_TARGET).ifPresent(i -> {
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Entity entity = this.level().getEntity(i);
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if (entity instanceof LivingEntity) {
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this.attachedToEntity = (LivingEntity)entity;
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}
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});
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}
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if (this.attachedToEntity != null) {
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Vec3 vec33;
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if (this.attachedToEntity.isFallFlying()) {
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Vec3 vec3 = this.attachedToEntity.getLookAngle();
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double d = 1.5;
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double e = 0.1;
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Vec3 vec32 = this.attachedToEntity.getDeltaMovement();
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this.attachedToEntity
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.setDeltaMovement(
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vec32.add(vec3.x * 0.1 + (vec3.x * 1.5 - vec32.x) * 0.5, vec3.y * 0.1 + (vec3.y * 1.5 - vec32.y) * 0.5, vec3.z * 0.1 + (vec3.z * 1.5 - vec32.z) * 0.5)
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);
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vec33 = this.attachedToEntity.getHandHoldingItemAngle(Items.FIREWORK_ROCKET);
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} else {
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vec33 = Vec3.ZERO;
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}
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this.setPos(this.attachedToEntity.getX() + vec33.x, this.attachedToEntity.getY() + vec33.y, this.attachedToEntity.getZ() + vec33.z);
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this.setDeltaMovement(this.attachedToEntity.getDeltaMovement());
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}
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hitResult = ProjectileUtil.getHitResultOnMoveVector(this, this::canHitEntity);
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} else {
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if (!this.isShotAtAngle()) {
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double f = this.horizontalCollision ? 1.0 : 1.15;
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this.setDeltaMovement(this.getDeltaMovement().multiply(f, 1.0, f).add(0.0, 0.04, 0.0));
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}
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Vec3 vec33 = this.getDeltaMovement();
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hitResult = ProjectileUtil.getHitResultOnMoveVector(this, this::canHitEntity);
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this.move(MoverType.SELF, vec33);
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this.applyEffectsFromBlocks();
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this.setDeltaMovement(vec33);
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}
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if (!this.noPhysics && this.isAlive() && hitResult.getType() != HitResult.Type.MISS) {
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this.hitTargetOrDeflectSelf(hitResult);
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this.hasImpulse = true;
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}
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this.updateRotation();
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if (this.life == 0 && !this.isSilent()) {
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this.level().playSound(null, this.getX(), this.getY(), this.getZ(), SoundEvents.FIREWORK_ROCKET_LAUNCH, SoundSource.AMBIENT, 3.0F, 1.0F);
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}
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this.life++;
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if (this.level().isClientSide && this.life % 2 < 2) {
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this.level()
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.addParticle(
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ParticleTypes.FIREWORK,
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this.getX(),
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this.getY(),
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this.getZ(),
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this.random.nextGaussian() * 0.05,
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-this.getDeltaMovement().y * 0.5,
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this.random.nextGaussian() * 0.05
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);
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}
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if (this.life > this.lifetime && this.level() instanceof ServerLevel serverLevel) {
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this.explode(serverLevel);
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}
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}
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private void explode(ServerLevel level) {
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level.broadcastEntityEvent(this, (byte)17);
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this.gameEvent(GameEvent.EXPLODE, this.getOwner());
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this.dealExplosionDamage(level);
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this.discard();
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}
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@Override
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protected void onHitEntity(EntityHitResult result) {
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super.onHitEntity(result);
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if (this.level() instanceof ServerLevel serverLevel) {
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this.explode(serverLevel);
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}
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}
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@Override
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protected void onHitBlock(BlockHitResult result) {
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BlockPos blockPos = new BlockPos(result.getBlockPos());
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this.level().getBlockState(blockPos).entityInside(this.level(), blockPos, this, InsideBlockEffectApplier.NOOP);
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if (this.level() instanceof ServerLevel serverLevel && this.hasExplosion()) {
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this.explode(serverLevel);
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}
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super.onHitBlock(result);
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}
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private boolean hasExplosion() {
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return !this.getExplosions().isEmpty();
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}
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private void dealExplosionDamage(ServerLevel level) {
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float f = 0.0F;
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List<FireworkExplosion> list = this.getExplosions();
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if (!list.isEmpty()) {
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f = 5.0F + list.size() * 2;
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}
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if (f > 0.0F) {
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if (this.attachedToEntity != null) {
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this.attachedToEntity.hurtServer(level, this.damageSources().fireworks(this, this.getOwner()), 5.0F + list.size() * 2);
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}
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double d = 5.0;
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Vec3 vec3 = this.position();
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for (LivingEntity livingEntity : this.level().getEntitiesOfClass(LivingEntity.class, this.getBoundingBox().inflate(5.0))) {
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if (livingEntity != this.attachedToEntity && !(this.distanceToSqr(livingEntity) > 25.0)) {
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boolean bl = false;
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for (int i = 0; i < 2; i++) {
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Vec3 vec32 = new Vec3(livingEntity.getX(), livingEntity.getY(0.5 * i), livingEntity.getZ());
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HitResult hitResult = this.level().clip(new ClipContext(vec3, vec32, ClipContext.Block.COLLIDER, ClipContext.Fluid.NONE, this));
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if (hitResult.getType() == HitResult.Type.MISS) {
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bl = true;
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break;
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}
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}
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if (bl) {
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float g = f * (float)Math.sqrt((5.0 - this.distanceTo(livingEntity)) / 5.0);
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livingEntity.hurtServer(level, this.damageSources().fireworks(this, this.getOwner()), g);
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}
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}
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}
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}
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}
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private boolean isAttachedToEntity() {
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return this.entityData.get(DATA_ATTACHED_TO_TARGET).isPresent();
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}
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public boolean isShotAtAngle() {
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return this.entityData.get(DATA_SHOT_AT_ANGLE);
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}
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@Override
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public void handleEntityEvent(byte id) {
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if (id == 17 && this.level().isClientSide) {
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Vec3 vec3 = this.getDeltaMovement();
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this.level().createFireworks(this.getX(), this.getY(), this.getZ(), vec3.x, vec3.y, vec3.z, this.getExplosions());
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}
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super.handleEntityEvent(id);
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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.putInt("Life", this.life);
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output.putInt("LifeTime", this.lifetime);
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output.store("FireworksItem", ItemStack.CODEC, this.getItem());
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output.putBoolean("ShotAtAngle", this.entityData.get(DATA_SHOT_AT_ANGLE));
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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.life = input.getIntOr("Life", 0);
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this.lifetime = input.getIntOr("LifeTime", 0);
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this.entityData.set(DATA_ID_FIREWORKS_ITEM, (ItemStack)input.read("FireworksItem", ItemStack.CODEC).orElse(getDefaultItem()));
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this.entityData.set(DATA_SHOT_AT_ANGLE, input.getBooleanOr("ShotAtAngle", false));
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}
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private List<FireworkExplosion> getExplosions() {
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ItemStack itemStack = this.entityData.get(DATA_ID_FIREWORKS_ITEM);
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Fireworks fireworks = itemStack.get(DataComponents.FIREWORKS);
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return fireworks != null ? fireworks.explosions() : List.of();
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}
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@Override
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public ItemStack getItem() {
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return this.entityData.get(DATA_ID_FIREWORKS_ITEM);
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}
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@Override
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public boolean isAttackable() {
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return false;
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}
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private static ItemStack getDefaultItem() {
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return new ItemStack(Items.FIREWORK_ROCKET);
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}
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@Override
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public DoubleDoubleImmutablePair calculateHorizontalHurtKnockbackDirection(LivingEntity entity, DamageSource damageSource) {
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double d = entity.position().x - this.position().x;
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double e = entity.position().z - this.position().z;
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return DoubleDoubleImmutablePair.of(d, e);
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}
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}
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