    001package net.minecraft.entity.projectile;
    002
    003import cpw.mods.fml.relauncher.Side;
    004import cpw.mods.fml.relauncher.SideOnly;
    005import net.minecraft.block.Block;
    006import net.minecraft.entity.EntityLiving;
    007import net.minecraft.potion.Potion;
    008import net.minecraft.potion.PotionEffect;
    009import net.minecraft.util.DamageSource;
    010import net.minecraft.util.MovingObjectPosition;
    011import net.minecraft.world.Explosion;
    012import net.minecraft.world.World;
    013
    014public class EntityWitherSkull extends EntityFireball
    015{
    016    public EntityWitherSkull(World par1World)
    017    {
    018        super(par1World);
    019        this.setSize(0.3125F, 0.3125F);
    020    }
    021
    022    public EntityWitherSkull(World par1World, EntityLiving par2EntityLiving, double par3, double par5, double par7)
    023    {
    024        super(par1World, par2EntityLiving, par3, par5, par7);
    025        this.setSize(0.3125F, 0.3125F);
    026    }
    027
    028    /**
    029     * Return the motion factor for this projectile. The factor is multiplied by the original motion.
    030     */
    031    protected float getMotionFactor()
    032    {
    033        return this.isInvulnerable() ? 0.73F : super.getMotionFactor();
    034    }
    035
    036    @SideOnly(Side.CLIENT)
    037    public EntityWitherSkull(World par1World, double par2, double par4, double par6, double par8, double par10, double par12)
    038    {
    039        super(par1World, par2, par4, par6, par8, par10, par12);
    040        this.setSize(0.3125F, 0.3125F);
    041    }
    042
    043    /**
    044     * Returns true if the entity is on fire. Used by render to add the fire effect on rendering.
    045     */
    046    public boolean isBurning()
    047    {
    048        return false;
    049    }
    050
    051    public float func_82146_a(Explosion par1Explosion, World par2World, int par3, int par4, int par5, Block par6Block)
    052    {
    053        float f = super.func_82146_a(par1Explosion, par2World, par3, par4, par5, par6Block);
    054
    055        if (this.isInvulnerable() && par6Block != Block.bedrock && par6Block != Block.endPortal && par6Block != Block.endPortalFrame)
    056        {
    057            f = Math.min(0.8F, f);
    058        }
    059
    060        return f;
    061    }
    062
    063    /**
    064     * Called when this EntityFireball hits a block or entity.
    065     */
    066    protected void onImpact(MovingObjectPosition par1MovingObjectPosition)
    067    {
    068        if (!this.worldObj.isRemote)
    069        {
    070            if (par1MovingObjectPosition.entityHit != null)
    071            {
    072                if (this.shootingEntity != null)
    073                {
    074                    if (par1MovingObjectPosition.entityHit.attackEntityFrom(DamageSource.causeMobDamage(this.shootingEntity), 8) && !par1MovingObjectPosition.entityHit.isEntityAlive())
    075                    {
    076                        this.shootingEntity.heal(5);
    077                    }
    078                }
    079                else
    080                {
    081                    par1MovingObjectPosition.entityHit.attackEntityFrom(DamageSource.magic, 5);
    082                }
    083
    084                if (par1MovingObjectPosition.entityHit instanceof EntityLiving)
    085                {
    086                    byte b0 = 0;
    087
    088                    if (this.worldObj.difficultySetting > 1)
    089                    {
    090                        if (this.worldObj.difficultySetting == 2)
    091                        {
    092                            b0 = 10;
    093                        }
    094                        else if (this.worldObj.difficultySetting == 3)
    095                        {
    096                            b0 = 40;
    097                        }
    098                    }
    099
    100                    if (b0 > 0)
    101                    {
    102                        ((EntityLiving)par1MovingObjectPosition.entityHit).addPotionEffect(new PotionEffect(Potion.wither.id, 20 * b0, 1));
    103                    }
    104                }
    105            }
    106
    107            this.worldObj.newExplosion(this, this.posX, this.posY, this.posZ, 1.0F, false, this.worldObj.getGameRules().getGameRuleBooleanValue("mobGriefing"));
    108            this.setDead();
    109        }
    110    }
    111
    112    /**
    113     * Returns true if other Entities should be prevented from moving through this Entity.
    114     */
    115    public boolean canBeCollidedWith()
    116    {
    117        return false;
    118    }
    119
    120    /**
    121     * Called when the entity is attacked.
    122     */
    123    public boolean attackEntityFrom(DamageSource par1DamageSource, int par2)
    124    {
    125        return false;
    126    }
    127
    128    protected void entityInit()
    129    {
    130        this.dataWatcher.addObject(10, Byte.valueOf((byte)0));
    131    }
    132
    133    /**
    134     * Return whether this skull comes from an invulnerable (aura) wither boss.
    135     */
    136    public boolean isInvulnerable()
    137    {
    138        return this.dataWatcher.getWatchableObjectByte(10) == 1;
    139    }
    140
    141    /**
    142     * Set whether this skull comes from an invulnerable (aura) wither boss.
    143     */
    144    public void setInvulnerable(boolean par1)
    145    {
    146        this.dataWatcher.updateObject(10, Byte.valueOf((byte)(par1 ? 1 : 0)));
    147    }
    148}