    001package net.minecraft.entity.monster;
    002
    003import net.minecraft.block.Block;
    004import net.minecraft.entity.EntityLiving;
    005import net.minecraft.entity.IRangedAttackMob;
    006import net.minecraft.entity.ai.EntityAIArrowAttack;
    007import net.minecraft.entity.ai.EntityAILookIdle;
    008import net.minecraft.entity.ai.EntityAINearestAttackableTarget;
    009import net.minecraft.entity.ai.EntityAIWander;
    010import net.minecraft.entity.ai.EntityAIWatchClosest;
    011import net.minecraft.entity.player.EntityPlayer;
    012import net.minecraft.entity.projectile.EntitySnowball;
    013import net.minecraft.item.Item;
    014import net.minecraft.util.DamageSource;
    015import net.minecraft.util.MathHelper;
    016import net.minecraft.world.World;
    017
    018public class EntitySnowman extends EntityGolem implements IRangedAttackMob
    019{
    020    public EntitySnowman(World par1World)
    021    {
    022        super(par1World);
    023        this.texture = "/mob/snowman.png";
    024        this.setSize(0.4F, 1.8F);
    025        this.getNavigator().setAvoidsWater(true);
    026        this.tasks.addTask(1, new EntityAIArrowAttack(this, 0.25F, 20, 10.0F));
    027        this.tasks.addTask(2, new EntityAIWander(this, 0.2F));
    028        this.tasks.addTask(3, new EntityAIWatchClosest(this, EntityPlayer.class, 6.0F));
    029        this.tasks.addTask(4, new EntityAILookIdle(this));
    030        this.targetTasks.addTask(1, new EntityAINearestAttackableTarget(this, EntityLiving.class, 16.0F, 0, true, false, IMob.mobSelector));
    031    }
    032
    033    /**
    034     * Returns true if the newer Entity AI code should be run
    035     */
    036    public boolean isAIEnabled()
    037    {
    038        return true;
    039    }
    040
    041    public int getMaxHealth()
    042    {
    043        return 4;
    044    }
    045
    046    /**
    047     * Called frequently so the entity can update its state every tick as required. For example, zombies and skeletons
    048     * use this to react to sunlight and start to burn.
    049     */
    050    public void onLivingUpdate()
    051    {
    052        super.onLivingUpdate();
    053
    054        if (this.isWet())
    055        {
    056            this.attackEntityFrom(DamageSource.drown, 1);
    057        }
    058
    059        int i = MathHelper.floor_double(this.posX);
    060        int j = MathHelper.floor_double(this.posZ);
    061
    062        if (this.worldObj.getBiomeGenForCoords(i, j).getFloatTemperature() > 1.0F)
    063        {
    064            this.attackEntityFrom(DamageSource.onFire, 1);
    065        }
    066
    067        for (i = 0; i < 4; ++i)
    068        {
    069            j = MathHelper.floor_double(this.posX + (double)((float)(i % 2 * 2 - 1) * 0.25F));
    070            int k = MathHelper.floor_double(this.posY);
    071            int l = MathHelper.floor_double(this.posZ + (double)((float)(i / 2 % 2 * 2 - 1) * 0.25F));
    072
    073            if (this.worldObj.getBlockId(j, k, l) == 0 && this.worldObj.getBiomeGenForCoords(j, l).getFloatTemperature() < 0.8F && Block.snow.canPlaceBlockAt(this.worldObj, j, k, l))
    074            {
    075                this.worldObj.setBlock(j, k, l, Block.snow.blockID);
    076            }
    077        }
    078    }
    079
    080    /**
    081     * Returns the item ID for the item the mob drops on death.
    082     */
    083    protected int getDropItemId()
    084    {
    085        return Item.snowball.itemID;
    086    }
    087
    088    /**
    089     * Drop 0-2 items of this living's type. @param par1 - Whether this entity has recently been hit by a player. @param
    090     * par2 - Level of Looting used to kill this mob.
    091     */
    092    protected void dropFewItems(boolean par1, int par2)
    093    {
    094        int j = this.rand.nextInt(16);
    095
    096        for (int k = 0; k < j; ++k)
    097        {
    098            this.dropItem(Item.snowball.itemID, 1);
    099        }
    100    }
    101
    102    /**
    103     * Attack the specified entity using a ranged attack.
    104     */
    105    public void attackEntityWithRangedAttack(EntityLiving par1EntityLiving, float par2)
    106    {
    107        EntitySnowball entitysnowball = new EntitySnowball(this.worldObj, this);
    108        double d0 = par1EntityLiving.posX - this.posX;
    109        double d1 = par1EntityLiving.posY + (double)par1EntityLiving.getEyeHeight() - 1.100000023841858D - entitysnowball.posY;
    110        double d2 = par1EntityLiving.posZ - this.posZ;
    111        float f1 = MathHelper.sqrt_double(d0 * d0 + d2 * d2) * 0.2F;
    112        entitysnowball.setThrowableHeading(d0, d1 + (double)f1, d2, 1.6F, 12.0F);
    113        this.playSound("random.bow", 1.0F, 1.0F / (this.getRNG().nextFloat() * 0.4F + 0.8F));
    114        this.worldObj.spawnEntityInWorld(entitysnowball);
    115    }
    116}