package net.minecraft.world.entity.vehicle; import com.google.common.collect.Lists; import java.util.List; import java.util.function.Supplier; import net.minecraft.BlockUtil.FoundRectangle; import net.minecraft.core.BlockPos; import net.minecraft.core.Direction; import net.minecraft.core.particles.ParticleTypes; import net.minecraft.nbt.CompoundTag; import net.minecraft.network.protocol.game.ServerboundPaddleBoatPacket; 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.sounds.SoundEvent; import net.minecraft.sounds.SoundEvents; import net.minecraft.tags.EntityTypeTags; import net.minecraft.tags.FluidTags; import net.minecraft.util.Mth; import net.minecraft.world.InteractionHand; import net.minecraft.world.InteractionResult; import net.minecraft.world.entity.Entity; import net.minecraft.world.entity.EntityDimensions; import net.minecraft.world.entity.EntitySelector; import net.minecraft.world.entity.EntityType; import net.minecraft.world.entity.InterpolationHandler; import net.minecraft.world.entity.Leashable; import net.minecraft.world.entity.LivingEntity; import net.minecraft.world.entity.MoverType; import net.minecraft.world.entity.Pose; import net.minecraft.world.entity.animal.Animal; import net.minecraft.world.entity.animal.WaterAnimal; import net.minecraft.world.entity.monster.creaking.Creaking; import net.minecraft.world.entity.player.Player; import net.minecraft.world.item.Item; import net.minecraft.world.item.ItemStack; import net.minecraft.world.level.ItemLike; import net.minecraft.world.level.Level; import net.minecraft.world.level.block.WaterlilyBlock; import net.minecraft.world.level.block.state.BlockState; import net.minecraft.world.level.gameevent.GameEvent; import net.minecraft.world.level.material.FluidState; import net.minecraft.world.phys.AABB; import net.minecraft.world.phys.Vec3; import net.minecraft.world.phys.shapes.BooleanOp; import net.minecraft.world.phys.shapes.Shapes; import net.minecraft.world.phys.shapes.VoxelShape; import org.jetbrains.annotations.Nullable; public abstract class AbstractBoat extends VehicleEntity implements Leashable { private static final EntityDataAccessor DATA_ID_PADDLE_LEFT = SynchedEntityData.defineId(AbstractBoat.class, EntityDataSerializers.BOOLEAN); private static final EntityDataAccessor DATA_ID_PADDLE_RIGHT = SynchedEntityData.defineId(AbstractBoat.class, EntityDataSerializers.BOOLEAN); private static final EntityDataAccessor DATA_ID_BUBBLE_TIME = SynchedEntityData.defineId(AbstractBoat.class, EntityDataSerializers.INT); public static final int PADDLE_LEFT = 0; public static final int PADDLE_RIGHT = 1; private static final int TIME_TO_EJECT = 60; private static final float PADDLE_SPEED = (float) (Math.PI / 8); public static final double PADDLE_SOUND_TIME = (float) (Math.PI / 4); public static final int BUBBLE_TIME = 60; private final float[] paddlePositions = new float[2]; private float outOfControlTicks; private float deltaRotation; private final InterpolationHandler interpolation = new InterpolationHandler(this, 3); private boolean inputLeft; private boolean inputRight; private boolean inputUp; private boolean inputDown; private double waterLevel; private float landFriction; private AbstractBoat.Status status; private AbstractBoat.Status oldStatus; private double lastYd; private boolean isAboveBubbleColumn; private boolean bubbleColumnDirectionIsDown; private float bubbleMultiplier; private float bubbleAngle; private float bubbleAngleO; @Nullable private Leashable.LeashData leashData; private final Supplier dropItem; public AbstractBoat(EntityType entityType, Level level, Supplier dropItem) { super(entityType, level); this.dropItem = dropItem; this.blocksBuilding = true; } public void setInitialPos(double x, double y, double z) { this.setPos(x, y, z); this.xo = x; this.yo = y; this.zo = z; } @Override protected Entity.MovementEmission getMovementEmission() { return Entity.MovementEmission.EVENTS; } @Override protected void defineSynchedData(Builder builder) { super.defineSynchedData(builder); builder.define(DATA_ID_PADDLE_LEFT, false); builder.define(DATA_ID_PADDLE_RIGHT, false); builder.define(DATA_ID_BUBBLE_TIME, 0); } @Override public boolean canCollideWith(Entity entity) { return canVehicleCollide(this, entity); } public static boolean canVehicleCollide(Entity first, Entity second) { return (second.canBeCollidedWith() || second.isPushable()) && !first.isPassengerOfSameVehicle(second); } @Override public boolean canBeCollidedWith() { return true; } @Override public boolean isPushable() { return true; } @Override public Vec3 getRelativePortalPosition(Direction.Axis axis, FoundRectangle portal) { return LivingEntity.resetForwardDirectionOfRelativePortalPosition(super.getRelativePortalPosition(axis, portal)); } protected abstract double rideHeight(EntityDimensions dimensions); @Override protected Vec3 getPassengerAttachmentPoint(Entity entity, EntityDimensions dimensions, float partialTick) { float f = this.getSinglePassengerXOffset(); if (this.getPassengers().size() > 1) { int i = this.getPassengers().indexOf(entity); if (i == 0) { f = 0.2F; } else { f = -0.6F; } if (entity instanceof Animal) { f += 0.2F; } } return new Vec3(0.0, this.rideHeight(dimensions), f).yRot(-this.getYRot() * (float) (Math.PI / 180.0)); } @Override public void onAboveBubbleColumn(boolean downwards, BlockPos pos) { if (this.level() instanceof ServerLevel) { this.isAboveBubbleColumn = true; this.bubbleColumnDirectionIsDown = downwards; if (this.getBubbleTime() == 0) { this.setBubbleTime(60); } } if (!this.isUnderWater() && this.random.nextInt(100) == 0) { this.level() .playLocalSound(this.getX(), this.getY(), this.getZ(), this.getSwimSplashSound(), this.getSoundSource(), 1.0F, 0.8F + 0.4F * this.random.nextFloat(), false); this.level() .addParticle(ParticleTypes.SPLASH, this.getX() + this.random.nextFloat(), this.getY() + 0.7, this.getZ() + this.random.nextFloat(), 0.0, 0.0, 0.0); this.gameEvent(GameEvent.SPLASH, this.getControllingPassenger()); } } @Override public void push(Entity entity) { if (entity instanceof AbstractBoat) { if (entity.getBoundingBox().minY < this.getBoundingBox().maxY) { super.push(entity); } } else if (entity.getBoundingBox().minY <= this.getBoundingBox().minY) { super.push(entity); } } @Override public void animateHurt(float yaw) { this.setHurtDir(-this.getHurtDir()); this.setHurtTime(10); this.setDamage(this.getDamage() * 11.0F); } @Override public boolean isPickable() { return !this.isRemoved(); } @Override public InterpolationHandler getInterpolation() { return this.interpolation; } @Override public Direction getMotionDirection() { return this.getDirection().getClockWise(); } @Override public void tick() { this.oldStatus = this.status; this.status = this.getStatus(); if (this.status != AbstractBoat.Status.UNDER_WATER && this.status != AbstractBoat.Status.UNDER_FLOWING_WATER) { this.outOfControlTicks = 0.0F; } else { this.outOfControlTicks++; } if (!this.level().isClientSide && this.outOfControlTicks >= 60.0F) { this.ejectPassengers(); } if (this.getHurtTime() > 0) { this.setHurtTime(this.getHurtTime() - 1); } if (this.getDamage() > 0.0F) { this.setDamage(this.getDamage() - 1.0F); } super.tick(); this.interpolation.interpolate(); if (this.isLocalInstanceAuthoritative()) { if (!(this.getFirstPassenger() instanceof Player)) { this.setPaddleState(false, false); } this.floatBoat(); if (this.level().isClientSide) { this.controlBoat(); this.level().sendPacketToServer(new ServerboundPaddleBoatPacket(this.getPaddleState(0), this.getPaddleState(1))); } this.move(MoverType.SELF, this.getDeltaMovement()); } else { this.setDeltaMovement(Vec3.ZERO); } this.applyEffectsFromBlocks(); this.applyEffectsFromBlocks(); this.tickBubbleColumn(); for (int i = 0; i <= 1; i++) { if (this.getPaddleState(i)) { if (!this.isSilent() && this.paddlePositions[i] % (float) (Math.PI * 2) <= (float) (Math.PI / 4) && (this.paddlePositions[i] + (float) (Math.PI / 8)) % (float) (Math.PI * 2) >= (float) (Math.PI / 4)) { SoundEvent soundEvent = this.getPaddleSound(); if (soundEvent != null) { Vec3 vec3 = this.getViewVector(1.0F); double d = i == 1 ? -vec3.z : vec3.z; double e = i == 1 ? vec3.x : -vec3.x; this.level() .playSound(null, this.getX() + d, this.getY(), this.getZ() + e, soundEvent, this.getSoundSource(), 1.0F, 0.8F + 0.4F * this.random.nextFloat()); } } this.paddlePositions[i] = this.paddlePositions[i] + (float) (Math.PI / 8); } else { this.paddlePositions[i] = 0.0F; } } List list = this.level().getEntities(this, this.getBoundingBox().inflate(0.2F, -0.01F, 0.2F), EntitySelector.pushableBy(this)); if (!list.isEmpty()) { boolean bl = !this.level().isClientSide && !(this.getControllingPassenger() instanceof Player); for (Entity entity : list) { if (!entity.hasPassenger(this)) { if (bl && this.getPassengers().size() < this.getMaxPassengers() && !entity.isPassenger() && this.hasEnoughSpaceFor(entity) && entity instanceof LivingEntity && !(entity instanceof WaterAnimal) && !(entity instanceof Player) && !(entity instanceof Creaking)) { entity.startRiding(this); } else { this.push(entity); } } } } } private void tickBubbleColumn() { if (this.level().isClientSide) { int i = this.getBubbleTime(); if (i > 0) { this.bubbleMultiplier += 0.05F; } else { this.bubbleMultiplier -= 0.1F; } this.bubbleMultiplier = Mth.clamp(this.bubbleMultiplier, 0.0F, 1.0F); this.bubbleAngleO = this.bubbleAngle; this.bubbleAngle = 10.0F * (float)Math.sin(0.5 * this.tickCount) * this.bubbleMultiplier; } else { if (!this.isAboveBubbleColumn) { this.setBubbleTime(0); } int i = this.getBubbleTime(); if (i > 0) { this.setBubbleTime(--i); int j = 60 - i - 1; if (j > 0 && i == 0) { this.setBubbleTime(0); Vec3 vec3 = this.getDeltaMovement(); if (this.bubbleColumnDirectionIsDown) { this.setDeltaMovement(vec3.add(0.0, -0.7, 0.0)); this.ejectPassengers(); } else { this.setDeltaMovement(vec3.x, this.hasPassenger(entity -> entity instanceof Player) ? 2.7 : 0.6, vec3.z); } } this.isAboveBubbleColumn = false; } } } @Nullable protected SoundEvent getPaddleSound() { return switch (this.getStatus()) { case IN_WATER, UNDER_WATER, UNDER_FLOWING_WATER -> SoundEvents.BOAT_PADDLE_WATER; case ON_LAND -> SoundEvents.BOAT_PADDLE_LAND; default -> null; }; } public void setPaddleState(boolean left, boolean right) { this.entityData.set(DATA_ID_PADDLE_LEFT, left); this.entityData.set(DATA_ID_PADDLE_RIGHT, right); } public float getRowingTime(int side, float partialTick) { return this.getPaddleState(side) ? Mth.clampedLerp(this.paddlePositions[side] - (float) (Math.PI / 8), this.paddlePositions[side], partialTick) : 0.0F; } @Nullable @Override public Leashable.LeashData getLeashData() { return this.leashData; } @Override public void setLeashData(@Nullable Leashable.LeashData leashData) { this.leashData = leashData; } @Override public Vec3 getLeashOffset() { return new Vec3(0.0, 0.88F * this.getEyeHeight(), this.getBbWidth() * 0.64F); } @Override public void elasticRangeLeashBehaviour(Entity leashHolder, float distance) { Vec3 vec3 = leashHolder.position().subtract(this.position()).normalize().scale(distance - 6.0); Vec3 vec32 = this.getDeltaMovement(); boolean bl = vec32.dot(vec3) > 0.0; this.setDeltaMovement(vec32.add(vec3.scale(bl ? 0.15F : 0.2F))); } private AbstractBoat.Status getStatus() { AbstractBoat.Status status = this.isUnderwater(); if (status != null) { this.waterLevel = this.getBoundingBox().maxY; return status; } else if (this.checkInWater()) { return AbstractBoat.Status.IN_WATER; } else { float f = this.getGroundFriction(); if (f > 0.0F) { this.landFriction = f; return AbstractBoat.Status.ON_LAND; } else { return AbstractBoat.Status.IN_AIR; } } } public float getWaterLevelAbove() { AABB aABB = this.getBoundingBox(); int i = Mth.floor(aABB.minX); int j = Mth.ceil(aABB.maxX); int k = Mth.floor(aABB.maxY); int l = Mth.ceil(aABB.maxY - this.lastYd); int m = Mth.floor(aABB.minZ); int n = Mth.ceil(aABB.maxZ); BlockPos.MutableBlockPos mutableBlockPos = new BlockPos.MutableBlockPos(); label39: for (int o = k; o < l; o++) { float f = 0.0F; for (int p = i; p < j; p++) { for (int q = m; q < n; q++) { mutableBlockPos.set(p, o, q); FluidState fluidState = this.level().getFluidState(mutableBlockPos); if (fluidState.is(FluidTags.WATER)) { f = Math.max(f, fluidState.getHeight(this.level(), mutableBlockPos)); } if (f >= 1.0F) { continue label39; } } } if (f < 1.0F) { return mutableBlockPos.getY() + f; } } return l + 1; } public float getGroundFriction() { AABB aABB = this.getBoundingBox(); AABB aABB2 = new AABB(aABB.minX, aABB.minY - 0.001, aABB.minZ, aABB.maxX, aABB.minY, aABB.maxZ); int i = Mth.floor(aABB2.minX) - 1; int j = Mth.ceil(aABB2.maxX) + 1; int k = Mth.floor(aABB2.minY) - 1; int l = Mth.ceil(aABB2.maxY) + 1; int m = Mth.floor(aABB2.minZ) - 1; int n = Mth.ceil(aABB2.maxZ) + 1; VoxelShape voxelShape = Shapes.create(aABB2); float f = 0.0F; int o = 0; BlockPos.MutableBlockPos mutableBlockPos = new BlockPos.MutableBlockPos(); for (int p = i; p < j; p++) { for (int q = m; q < n; q++) { int r = (p != i && p != j - 1 ? 0 : 1) + (q != m && q != n - 1 ? 0 : 1); if (r != 2) { for (int s = k; s < l; s++) { if (r <= 0 || s != k && s != l - 1) { mutableBlockPos.set(p, s, q); BlockState blockState = this.level().getBlockState(mutableBlockPos); if (!(blockState.getBlock() instanceof WaterlilyBlock) && Shapes.joinIsNotEmpty(blockState.getCollisionShape(this.level(), mutableBlockPos).move(mutableBlockPos), voxelShape, BooleanOp.AND)) { f += blockState.getBlock().getFriction(); o++; } } } } } } return f / o; } private boolean checkInWater() { AABB aABB = this.getBoundingBox(); int i = Mth.floor(aABB.minX); int j = Mth.ceil(aABB.maxX); int k = Mth.floor(aABB.minY); int l = Mth.ceil(aABB.minY + 0.001); int m = Mth.floor(aABB.minZ); int n = Mth.ceil(aABB.maxZ); boolean bl = false; this.waterLevel = -Double.MAX_VALUE; BlockPos.MutableBlockPos mutableBlockPos = new BlockPos.MutableBlockPos(); for (int o = i; o < j; o++) { for (int p = k; p < l; p++) { for (int q = m; q < n; q++) { mutableBlockPos.set(o, p, q); FluidState fluidState = this.level().getFluidState(mutableBlockPos); if (fluidState.is(FluidTags.WATER)) { float f = p + fluidState.getHeight(this.level(), mutableBlockPos); this.waterLevel = Math.max(f, this.waterLevel); bl |= aABB.minY < f; } } } } return bl; } @Nullable private AbstractBoat.Status isUnderwater() { AABB aABB = this.getBoundingBox(); double d = aABB.maxY + 0.001; int i = Mth.floor(aABB.minX); int j = Mth.ceil(aABB.maxX); int k = Mth.floor(aABB.maxY); int l = Mth.ceil(d); int m = Mth.floor(aABB.minZ); int n = Mth.ceil(aABB.maxZ); boolean bl = false; BlockPos.MutableBlockPos mutableBlockPos = new BlockPos.MutableBlockPos(); for (int o = i; o < j; o++) { for (int p = k; p < l; p++) { for (int q = m; q < n; q++) { mutableBlockPos.set(o, p, q); FluidState fluidState = this.level().getFluidState(mutableBlockPos); if (fluidState.is(FluidTags.WATER) && d < mutableBlockPos.getY() + fluidState.getHeight(this.level(), mutableBlockPos)) { if (!fluidState.isSource()) { return AbstractBoat.Status.UNDER_FLOWING_WATER; } bl = true; } } } } return bl ? AbstractBoat.Status.UNDER_WATER : null; } @Override protected double getDefaultGravity() { return 0.04; } private void floatBoat() { double d = -this.getGravity(); double e = 0.0; float f = 0.05F; if (this.oldStatus == AbstractBoat.Status.IN_AIR && this.status != AbstractBoat.Status.IN_AIR && this.status != AbstractBoat.Status.ON_LAND) { this.waterLevel = this.getY(1.0); double g = this.getWaterLevelAbove() - this.getBbHeight() + 0.101; if (this.level().noCollision(this, this.getBoundingBox().move(0.0, g - this.getY(), 0.0))) { this.setPos(this.getX(), g, this.getZ()); this.setDeltaMovement(this.getDeltaMovement().multiply(1.0, 0.0, 1.0)); this.lastYd = 0.0; } this.status = AbstractBoat.Status.IN_WATER; } else { if (this.status == AbstractBoat.Status.IN_WATER) { e = (this.waterLevel - this.getY()) / this.getBbHeight(); f = 0.9F; } else if (this.status == AbstractBoat.Status.UNDER_FLOWING_WATER) { d = -7.0E-4; f = 0.9F; } else if (this.status == AbstractBoat.Status.UNDER_WATER) { e = 0.01F; f = 0.45F; } else if (this.status == AbstractBoat.Status.IN_AIR) { f = 0.9F; } else if (this.status == AbstractBoat.Status.ON_LAND) { f = this.landFriction; if (this.getControllingPassenger() instanceof Player) { this.landFriction /= 2.0F; } } Vec3 vec3 = this.getDeltaMovement(); this.setDeltaMovement(vec3.x * f, vec3.y + d, vec3.z * f); this.deltaRotation *= f; if (e > 0.0) { Vec3 vec32 = this.getDeltaMovement(); this.setDeltaMovement(vec32.x, (vec32.y + e * (this.getDefaultGravity() / 0.65)) * 0.75, vec32.z); } } } private void controlBoat() { if (this.isVehicle()) { float f = 0.0F; if (this.inputLeft) { this.deltaRotation--; } if (this.inputRight) { this.deltaRotation++; } if (this.inputRight != this.inputLeft && !this.inputUp && !this.inputDown) { f += 0.005F; } this.setYRot(this.getYRot() + this.deltaRotation); if (this.inputUp) { f += 0.04F; } if (this.inputDown) { f -= 0.005F; } this.setDeltaMovement( this.getDeltaMovement().add(Mth.sin(-this.getYRot() * (float) (Math.PI / 180.0)) * f, 0.0, Mth.cos(this.getYRot() * (float) (Math.PI / 180.0)) * f) ); this.setPaddleState(this.inputRight && !this.inputLeft || this.inputUp, this.inputLeft && !this.inputRight || this.inputUp); } } protected float getSinglePassengerXOffset() { return 0.0F; } public boolean hasEnoughSpaceFor(Entity entity) { return entity.getBbWidth() < this.getBbWidth(); } @Override protected void positionRider(Entity passenger, Entity.MoveFunction callback) { super.positionRider(passenger, callback); if (!passenger.getType().is(EntityTypeTags.CAN_TURN_IN_BOATS)) { passenger.setYRot(passenger.getYRot() + this.deltaRotation); passenger.setYHeadRot(passenger.getYHeadRot() + this.deltaRotation); this.clampRotation(passenger); if (passenger instanceof Animal && this.getPassengers().size() == this.getMaxPassengers()) { int i = passenger.getId() % 2 == 0 ? 90 : 270; passenger.setYBodyRot(((Animal)passenger).yBodyRot + i); passenger.setYHeadRot(passenger.getYHeadRot() + i); } } } @Override public Vec3 getDismountLocationForPassenger(LivingEntity passenger) { Vec3 vec3 = getCollisionHorizontalEscapeVector(this.getBbWidth() * Mth.SQRT_OF_TWO, passenger.getBbWidth(), passenger.getYRot()); double d = this.getX() + vec3.x; double e = this.getZ() + vec3.z; BlockPos blockPos = BlockPos.containing(d, this.getBoundingBox().maxY, e); BlockPos blockPos2 = blockPos.below(); if (!this.level().isWaterAt(blockPos2)) { List list = Lists.newArrayList(); double f = this.level().getBlockFloorHeight(blockPos); if (DismountHelper.isBlockFloorValid(f)) { list.add(new Vec3(d, blockPos.getY() + f, e)); } double g = this.level().getBlockFloorHeight(blockPos2); if (DismountHelper.isBlockFloorValid(g)) { list.add(new Vec3(d, blockPos2.getY() + g, e)); } for (Pose pose : passenger.getDismountPoses()) { for (Vec3 vec32 : list) { if (DismountHelper.canDismountTo(this.level(), vec32, passenger, pose)) { passenger.setPose(pose); return vec32; } } } } return super.getDismountLocationForPassenger(passenger); } protected void clampRotation(Entity entity) { entity.setYBodyRot(this.getYRot()); float f = Mth.wrapDegrees(entity.getYRot() - this.getYRot()); float g = Mth.clamp(f, -105.0F, 105.0F); entity.yRotO += g - f; entity.setYRot(entity.getYRot() + g - f); entity.setYHeadRot(entity.getYRot()); } @Override public void onPassengerTurned(Entity entityToUpdate) { this.clampRotation(entityToUpdate); } @Override protected void addAdditionalSaveData(CompoundTag tag) { this.writeLeashData(tag, this.leashData); } @Override protected void readAdditionalSaveData(CompoundTag tag) { this.readLeashData(tag); } @Override public InteractionResult interact(Player player, InteractionHand hand) { InteractionResult interactionResult = super.interact(player, hand); if (interactionResult != InteractionResult.PASS) { return interactionResult; } else { return (InteractionResult)(player.isSecondaryUseActive() || !(this.outOfControlTicks < 60.0F) || !this.level().isClientSide && !player.startRiding(this) ? InteractionResult.PASS : InteractionResult.SUCCESS); } } @Override public void remove(Entity.RemovalReason reason) { if (!this.level().isClientSide && reason.shouldDestroy() && this.isLeashed()) { this.dropLeash(); } super.remove(reason); } @Override protected void checkFallDamage(double y, boolean onGround, BlockState state, BlockPos pos) { this.lastYd = this.getDeltaMovement().y; if (!this.isPassenger()) { if (onGround) { this.resetFallDistance(); } else if (!this.level().getFluidState(this.blockPosition().below()).is(FluidTags.WATER) && y < 0.0) { this.fallDistance -= (float)y; } } } public boolean getPaddleState(int side) { return this.entityData.get(side == 0 ? DATA_ID_PADDLE_LEFT : DATA_ID_PADDLE_RIGHT) && this.getControllingPassenger() != null; } private void setBubbleTime(int bubbleTime) { this.entityData.set(DATA_ID_BUBBLE_TIME, bubbleTime); } private int getBubbleTime() { return this.entityData.get(DATA_ID_BUBBLE_TIME); } public float getBubbleAngle(float partialTick) { return Mth.lerp(partialTick, this.bubbleAngleO, this.bubbleAngle); } @Override protected boolean canAddPassenger(Entity passenger) { return this.getPassengers().size() < this.getMaxPassengers() && !this.isEyeInFluid(FluidTags.WATER); } protected int getMaxPassengers() { return 2; } @Nullable @Override public LivingEntity getControllingPassenger() { return this.getFirstPassenger() instanceof LivingEntity livingEntity ? livingEntity : super.getControllingPassenger(); } public void setInput(boolean left, boolean right, boolean up, boolean down) { this.inputLeft = left; this.inputRight = right; this.inputUp = up; this.inputDown = down; } @Override public boolean isUnderWater() { return this.status == AbstractBoat.Status.UNDER_WATER || this.status == AbstractBoat.Status.UNDER_FLOWING_WATER; } @Override protected final Item getDropItem() { return (Item)this.dropItem.get(); } @Override public final ItemStack getPickResult() { return new ItemStack((ItemLike)this.dropItem.get()); } public static enum Status { IN_WATER, UNDER_WATER, UNDER_FLOWING_WATER, ON_LAND, IN_AIR; } }