I'm trying to create a custom vehicle that can hover around. Copy pasted the boats code as a base, am I on the right track ?

package net.undeadmonkey.entity.custom;

import net.minecraft.BlockUtil;
import net.minecraft.core.Direction;
import net.minecraft.network.syncher.EntityDataAccessor;
import net.minecraft.network.syncher.EntityDataSerializers;
import net.minecraft.network.syncher.SynchedEntityData;
import net.minecraft.world.damagesource.DamageSource;
import net.minecraft.world.entity.*;
import net.minecraft.world.entity.player.Player;
import net.minecraft.world.entity.vehicle.Boat;
import net.minecraft.world.level.GameRules;
import net.minecraft.world.level.Level;
import net.minecraft.world.level.gameevent.GameEvent;
import net.minecraft.world.phys.Vec3;

public class HaloGhostEntity extends Boat {
    private static final EntityDataAccessor<Integer> DATA_ID_HURT = SynchedEntityData.defineId(Boat.class, EntityDataSerializers.INT);
    private static final EntityDataAccessor<Integer> DATA_ID_HURTDIR = SynchedEntityData.defineId(Boat.class, EntityDataSerializers.INT);
    private static final EntityDataAccessor<Float> DATA_ID_DAMAGE = SynchedEntityData.defineId(Boat.class, EntityDataSerializers.FLOAT);
    private static final EntityDataAccessor<Boolean> DATA_ID_HOVER_LEFT = SynchedEntityData.defineId(Boat.class, EntityDataSerializers.BOOLEAN);
    private static final EntityDataAccessor<Boolean> DATA_ID_HOVER_RIGHT = SynchedEntityData.defineId(Boat.class, EntityDataSerializers.BOOLEAN);
    public static final int HOVER_LEFT = 0;
    public static final int HOVER_RIGHT = 1;
    private static final int TIME_TO_EJECT = 60;
    private static final float HOVER_SPEED = ((float)Math.PI / 8F);
    public static final double HOVER_SOUND_TIME = (double)((float)Math.PI / 4F);
    private final float[] hoverPositions = new float[2];
    private float invFriction;
    private float outOfControlTicks;
    private float deltaRotation;
    private int lerpSteps;
    private double lerpX;
    private double lerpY;
    private double lerpZ;
    private double lerpTo;
    private double lerpYRot;
    private double lerpXRot;
    private boolean inputLeft;
    private boolean inputRight;
    private boolean inputUp;
    private boolean inputDown;
    private float landFriction;
    private HaloGhostEntity.Status status;
    private HaloGhostEntity.Status oldStatus;
    private double lastYd;
    private boolean isAboveBubbleColumn;
    private boolean bubbleColumnDirectionIsDown;
    private float bubbleMultiplier;
    private float bubbleAngle;
    private float bubbleAngleO;

    public HaloGhostEntity(EntityType<? extends HaloGhostEntity> p_38290_, Level p_38291_) {
        super(p_38290_, p_38291_);
    }

    public HaloGhostEntity(Level p_38293_, double p_38294_, double p_38295_, double p_38296_) {
        this((EntityType<? extends HaloGhostEntity>) EntityType.BOAT, p_38293_);
        this.setPos(p_38294_, p_38295_, p_38296_);
        this.xo = p_38294_;
        this.yo = p_38295_;
        this.zo = p_38296_;
    }

    protected float getEyeHeight(Pose pPose, EntityDimensions pSize) {
        return pSize.height;
    }

    protected Entity.MovementEmission getMovementEmission() {
        return Entity.MovementEmission.NONE;
    }

    protected void defineSynchedData() {
       this.entityData.define(DATA_ID_HURT, 0);
       this.entityData.define(DATA_ID_HURTDIR, 1);
       this.entityData.define(DATA_ID_DAMAGE, 5.0f);
       this.entityData.define(DATA_ID_HOVER_LEFT, false);
       this.entityData.define(DATA_ID_HOVER_RIGHT,false);

    }

    public boolean canCollideWith(Entity pEntity) {
        return canVehicleCollide(this, pEntity);
    }

    public static boolean canVehicleCollide(Entity p_38324_, Entity p_38325_) {
        return (p_38325_.canBeCollidedWith() || p_38325_.isPushable()) && !p_38324_.isPassengerOfSameVehicle(p_38325_);
    }

    public boolean canBeCollidedWith() {
        return true;
    }


    public boolean isPushable() {
        return true;
    }

    protected Vec3 getRelativePortalPosition(Direction.Axis pAxis, BlockUtil.FoundRectangle pPortal) {
        return LivingEntity.resetForwardDirectionOfRelativePortalPosition(super.getRelativePortalPosition(pAxis, pPortal));
    }

    public double getPassengersRidingOffset() {
        return -0.1D;
    }

    public boolean hurt(DamageSource pSource, float pAmount) {
        if (this.isInvulnerableTo(pSource)) {
            return false;
        } else if (!this.level.isClientSide && !this.isRemoved()) {
            this.setHurtDir(-this.getHurtDir());
            this.setHurtTime(10);
            this.setDamage(this.getDamage() + pAmount * 10.0F);
            this.markHurt();
            this.gameEvent(GameEvent.ENTITY_DAMAGED, pSource.getEntity());
            boolean flag = pSource.getEntity() instanceof Player && ((Player)pSource.getEntity()).getAbilities().instabuild;
            if (flag || this.getDamage() > 40.0F) {
                if (!flag && this.level.getGameRules().getBoolean(GameRules.RULE_DOENTITYDROPS)) {
                    this.spawnAtLocation(this.getDropItem());
                }

                this.discard();
            }

            return true;
        } else {
            return true;
        }
    }

    public void push(Entity pEntity) {
        if (pEntity instanceof Boat) {
            if (pEntity.getBoundingBox().minY < this.getBoundingBox().maxY) {
                super.push(pEntity);
            }
        } else if (pEntity.getBoundingBox().minY <= this.getBoundingBox().minY) {
            super.push(pEntity);
        }

        public void animateHurt() {
            this.setHurtDir(-this.getHurtDir());
            this.setHurtTime(10);
            this.setDamage(this.getDamage() * 11.0F);


        }
    }
}

 

On 4/15/2023 at 12:04 PM, UndeadMonkey said:

I'm trying to create a custom vehicle that can hover around. Copy pasted the boats code as a base, am I on the right track ?

Try it and see. That's the best recommendation we can give you.