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, Block par2Block, int par3, int par4, int par5)
052    {
053        float var6 = super.func_82146_a(par1Explosion, par2Block, par3, par4, par5);
054
055        if (this.isInvulnerable() && par2Block != Block.bedrock && par2Block != Block.endPortal && par2Block != Block.endPortalFrame)
056        {
057            var6 = Math.min(0.8F, var6);
058        }
059
060        return var6;
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 var2 = 0;
087
088                    if (this.worldObj.difficultySetting > 1)
089                    {
090                        if (this.worldObj.difficultySetting == 2)
091                        {
092                            var2 = 10;
093                        }
094                        else if (this.worldObj.difficultySetting == 3)
095                        {
096                            var2 = 40;
097                        }
098                    }
099
100                    if (var2 > 0)
101                    {
102                        ((EntityLiving)par1MovingObjectPosition.entityHit).addPotionEffect(new PotionEffect(Potion.wither.id, 20 * var2, 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}