Java Code Examples for net.minecraft.entity.Entity#setVelocity()

@Subscribe
public void onTick(EventTick event) {
	Entity e = mc.player.getVehicle() != null ? mc.player.getVehicle() : mc.player;
	
	if (e.isSneaking() || e.fallDistance > 3f) return;
	
	if (WorldUtils.isFluid(new BlockPos(e.getPos().add(0,0.3,0)))) {
		e.setVelocity(e.getVelocity().x, 0.08, e.getVelocity().z);
	} else if (WorldUtils.isFluid(new BlockPos(e.getPos().add(0,0.1,0)))) {
		e.setVelocity(e.getVelocity().x, 0.05, e.getVelocity().z);
	} else if (WorldUtils.isFluid(new BlockPos(e.getPos().add(0,0.05,0)))) {
		e.setVelocity(e.getVelocity().x, 0.01, e.getVelocity().z);
	} else if (WorldUtils.isFluid(new BlockPos(e.getPos()))) {
		e.setVelocity(e.getVelocity().x, -0.005, e.getVelocity().z);
		e.onGround = true;
	}
}
 

@Subscribe
public void onTick(EventTick event) {
	Entity e = mc.player.getVehicle() != null ? mc.player.getVehicle() : mc.player;
	
	if (e.isSneaking() || e.fallDistance > 3f) return;
	
	if (WorldUtils.isFluid(new BlockPos(e.getPos().add(0,0.3,0)))) {
		e.setVelocity(e.getVelocity().x, 0.08, e.getVelocity().z);
	} else if (WorldUtils.isFluid(new BlockPos(e.getPos().add(0,0.1,0)))) {
		e.setVelocity(e.getVelocity().x, 0.05, e.getVelocity().z);
	} else if (WorldUtils.isFluid(new BlockPos(e.getPos().add(0,0.05,0)))) {
		e.setVelocity(e.getVelocity().x, 0.01, e.getVelocity().z);
	} else if (WorldUtils.isFluid(new BlockPos(e.getPos()))) {
		e.setVelocity(e.getVelocity().x, -0.005, e.getVelocity().z);
		e.setOnGround(true);
	}
}
 

@Subscribe
public void onTick(EventTick event) {
	Entity e = mc.player.getVehicle() != null ? mc.player.getVehicle() : mc.player;
	
	if (e.isSneaking() || e.fallDistance > 3f) return;
	
	if (WorldUtils.isFluid(new BlockPos(e.getPos().add(0,0.3,0)))) {
		e.setVelocity(e.getVelocity().x, 0.08, e.getVelocity().z);
	} else if (WorldUtils.isFluid(new BlockPos(e.getPos().add(0,0.1,0)))) {
		e.setVelocity(e.getVelocity().x, 0.05, e.getVelocity().z);
	} else if (WorldUtils.isFluid(new BlockPos(e.getPos().add(0,0.05,0)))) {
		e.setVelocity(e.getVelocity().x, 0.01, e.getVelocity().z);
	} else if (WorldUtils.isFluid(new BlockPos(e.getPos()))) {
		e.setVelocity(e.getVelocity().x, -0.005, e.getVelocity().z);
		e.onGround = true;
	}
}
 

/**
 * Not a replacement for living entity jump() - this barely is to allow other entities that can't jump in vanilla to 'jump'
 * @param e
 */
public static void genericJump(Entity e)
{
    if (!e.onGround && !e.isInFluid(FluidTags.WATER) && !e.isInLava()) return;
    float m = e.world.getBlockState(new BlockPos(e)).getBlock().getJumpVelocityMultiplier();
    float g = e.world.getBlockState(new BlockPos(e.getX(), e.getBoundingBox().y1 - 0.5000001D, e.getZ())).getBlock().getJumpVelocityMultiplier();
    float jumpVelocityMultiplier = (double) m == 1.0D ? g : m;
    float jumpStrength = (0.42F * jumpVelocityMultiplier);
    Vec3d vec3d = e.getVelocity();
    e.setVelocity(vec3d.x, jumpStrength, vec3d.z);
    if (e.isSprinting())
    {
        float u = e.yaw * 0.017453292F;
        e.setVelocity(e.getVelocity().add((-MathHelper.sin(g) * 0.2F), 0.0D, (MathHelper.cos(u) * 0.2F)));
    }
    e.velocityDirty = true;
}
 

@Override
public void onUpdate()
{
	// check if riding
	if(!MC.player.hasVehicle())
		return;
	
	// fly
	Entity vehicle = MC.player.getVehicle();
	Vec3d velocity = vehicle.getVelocity();
	double motionY = MC.options.keyJump.isPressed() ? 0.3 : 0;
	vehicle.setVelocity(new Vec3d(velocity.x, motionY, velocity.z));
}
 

@Redirect(at = @At(value = "INVOKE",
	target = "Lnet/minecraft/entity/Entity;setVelocity(Lnet/minecraft/util/math/Vec3d;)V",
	opcode = Opcodes.INVOKEVIRTUAL,
	ordinal = 0),
	method = {"updateMovementInFluid(Lnet/minecraft/tag/Tag;D)Z"})
private void setVelocityFromFluid(Entity entity, Vec3d velocity)
{
	VelocityFromFluidEvent event = new VelocityFromFluidEvent();
	WurstClient.INSTANCE.getEventManager().fire(event);
	
	if(!event.isCancelled())
		entity.setVelocity(velocity);
}
 

@Redirect(method = "collectBlocksAndDamageEntities",
        at = @At(value = "INVOKE", target = "Lnet/minecraft/entity/Entity;setVelocity(Lnet/minecraft/util/math/Vec3d;)V"))
private void setVelocityAndUpdateLogging(Entity entity, Vec3d velocity)
{
    if (eLogger != null) {
        eLogger.onEntityImpacted(entity, velocity.subtract(entity.getVelocity()));
    }
    entity.setVelocity(velocity);
}
 

@Redirect(method = "pushEntities", at = @At(value = "INVOKE", target = "Lnet/minecraft/entity/Entity;setVelocity(DDD)V"))
private void ignoreAccel(Entity entity, double x, double y, double z)
{
    if (CarpetSettings.creativeNoClip && entity instanceof PlayerEntity && (((PlayerEntity) entity).isCreative()) && ((PlayerEntity) entity).abilities.flying) return;
    entity.setVelocity(x,y,z);
}
 

/** Spawn a single entity at the specified position.
 * @param e the actual entity to be spawned.
 * @param w the world in which to spawn the entity.
 * @throws Exception
 */
private void DrawPrimitive( DrawEntity e, World w ) throws Exception
{
    String oldEntityName = e.getType().getValue();
    String id = null;
    for (EntityEntry ent : net.minecraftforge.fml.common.registry.ForgeRegistries.ENTITIES)
    {
       if (ent.getName().equals(oldEntityName))
       {
           id = ent.getRegistryName().toString();
           break;
       }
    }
    if (id == null)
        return;

    NBTTagCompound nbttagcompound = new NBTTagCompound();
    nbttagcompound.setString("id", id);
    nbttagcompound.setBoolean("PersistenceRequired", true); // Don't let this entity despawn
    Entity entity;
    try
    {
        entity = EntityList.createEntityFromNBT(nbttagcompound, w);
        if (entity != null)
        {
            positionEntity(entity, e.getX().doubleValue(), e.getY().doubleValue(), e.getZ().doubleValue(), e.getYaw().floatValue(), e.getPitch().floatValue());
            entity.setVelocity(e.getXVel().doubleValue(), e.getYVel().doubleValue(), e.getZVel().doubleValue());
            // Set all the yaw values imaginable:
            if (entity instanceof EntityLivingBase)
            {
                ((EntityLivingBase)entity).rotationYaw = e.getYaw().floatValue();
                ((EntityLivingBase)entity).prevRotationYaw = e.getYaw().floatValue();
                ((EntityLivingBase)entity).prevRotationYawHead = e.getYaw().floatValue();
                ((EntityLivingBase)entity).rotationYawHead = e.getYaw().floatValue();
                ((EntityLivingBase)entity).prevRenderYawOffset = e.getYaw().floatValue();
                ((EntityLivingBase)entity).renderYawOffset = e.getYaw().floatValue();
            }
            w.getBlockState(entity.getPosition());  // Force-load the chunk if necessary, to ensure spawnEntity will work.
            if (!w.spawnEntity(entity))
            {
                System.out.println("WARNING: Failed to spawn entity! Chunk not loaded?");
            }
        }
    }
    catch (RuntimeException runtimeexception)
    {
        // Cannot summon this entity.
        throw new Exception("Couldn't create entity type: " + e.getType().getValue());
    }
}