EntitySmallAsteroid.java

package micdoodle8.mods.galacticraft.planets.asteroids.entities;

import net.minecraft.entity.Entity;
import net.minecraft.nbt.NBTTagCompound;
import net.minecraft.world.World;

public class EntitySmallAsteroid extends Entity
{
    public float spinPitch;
    public float spinYaw;
    public int type;
    private boolean firstUpdate = true;

    public EntitySmallAsteroid(World world)
    {
        super(world);
        this.setSize(1.0F, 1.0F);
        this.isImmuneToFire = true;
    }

    @Override
    public void onEntityUpdate()
    {
        if (!this.firstUpdate)
        {
            // Kill non-moving entities
            if (Math.abs(this.posX - this.prevPosX) + Math.abs(this.posZ - this.prevPosZ) <= 0)
            {
                this.setDead();
            }

            // Remove entities far outside the build range, or too old (to stop accumulations)
            else if (this.posY > 288D || this.posY < -32D || this.ticksExisted > 3000)
            {
                this.setDead();
            }
        }

        super.onEntityUpdate();

        if (!this.worldObj.isRemote)
        {
            this.setSpinPitch(this.spinPitch);
            this.setSpinYaw(this.spinYaw);
            this.setAsteroidType(this.type);
            this.rotationPitch += this.spinPitch;
            this.rotationYaw += this.spinYaw;
        }
        else
        {
            this.rotationPitch += this.getSpinPitch();
            this.rotationYaw += this.getSpinYaw();
        }

        double sqrdMotion = this.motionX * this.motionX + this.motionY * this.motionY + this.motionZ * this.motionZ;

        if (sqrdMotion < 0.05)
        {
            // If the motion is too low (for some odd reason), speed it back up slowly.
            this.motionX *= 1.001D;
            this.motionY *= 1.001D;
            this.motionZ *= 1.001D;
        }

        this.moveEntity(this.motionX, this.motionY, this.motionZ);
        this.firstUpdate = false;
    }

    @Override
    protected void entityInit()
    {
        this.dataWatcher.addObject(10, 0.0F);
        this.dataWatcher.addObject(11, 0.0F);
        this.dataWatcher.addObject(12, 0);
    }

    @Override
    protected void readEntityFromNBT(NBTTagCompound nbt)
    {
        this.spinPitch = nbt.getFloat("spinPitch");
        this.spinYaw = nbt.getFloat("spinYaw");
        this.ticksExisted = nbt.getInteger("ageTicks");
    }

    @Override
    protected void writeEntityToNBT(NBTTagCompound nbt)
    {
        nbt.setFloat("spinPitch", this.spinPitch);
        nbt.setFloat("spinYaw", this.spinYaw);
        nbt.setInteger("ageTicks", this.ticksExisted);
    }

    public float getSpinPitch()
    {
        return this.dataWatcher.getWatchableObjectFloat(10);
    }

    public float getSpinYaw()
    {
        return this.dataWatcher.getWatchableObjectFloat(11);
    }

    public void setSpinPitch(float pitch)
    {
        this.dataWatcher.updateObject(10, pitch);
    }

    public void setSpinYaw(float yaw)
    {
        this.dataWatcher.updateObject(11, yaw);
    }

    public int getAsteroidType()
    {
        return this.dataWatcher.getWatchableObjectInt(12);
    }

    public void setAsteroidType(int type)
    {
        this.dataWatcher.updateObject(12, type);
    }
}