Minecraft Forums

package net.minecraft.src;
public class EntityXPOrb extends Entity
{
/**
	 * A constantly increasing value that RenderXPOrb uses to control the colour shifting (Green / yellow)
	 */
public int xpColor;
/** The age of the XP orb in ticks. */
public int xpOrbAge = 0;
public int field_70532_c;
/** The health of this XP orb. */
private int xpOrbHealth = 5;
/** This is how much XP this orb has. */
private int xpValue;
/** The closest EntityPlayer to this orb. */
private EntityPlayer closestPlayer;
/** Threshold color for tracking players */
private int xpTargetColor;
public EntityXPOrb(World par1World, double par2, double par4, double par6, int par8)
{
	 super(par1World);
	 this.setSize(0.5F, 0.5F);
	 this.yOffset = this.height / 2.0F;
	 this.setPosition(par2, par4, par6);
	 this.rotationYaw = (float)(Math.random() * 360.0D);
	 this.motionX = (double)((float)(Math.random() * 0.20000000298023224D - 0.10000000149011612D) * 2.0F);
	 this.motionY = (double)((float)(Math.random() * 0.2D) * 2.0F);
	 this.motionZ = (double)((float)(Math.random() * 0.20000000298023224D - 0.10000000149011612D) * 2.0F);
	 this.xpValue = par8;
}
/**
	 * returns if this entity triggers Block.onEntityWalking on the blocks they walk on. used for spiders and wolves to
	 * prevent them from trampling crops
	 */
protected boolean canTriggerWalking()
{
	 return false;
}
public EntityXPOrb(World par1World)
{
	 super(par1World);
	 this.setSize(0.25F, 0.25F);
	 this.yOffset = this.height / 2.0F;
}
protected void entityInit() {}
public int getBrightnessForRender(float par1)
{
	 float var2 = 0.5F;
	 if (var2 < 0.0F)
	 {
		 var2 = 0.0F;
	 }
	 if (var2 > 1.0F)
	 {
		 var2 = 1.0F;
	 }
	 int var3 = super.getBrightnessForRender(par1);
	 int var4 = var3 & 255;
	 int var5 = var3 >> 16 & 255;
	 var4 += (int)(var2 * 15.0F * 16.0F);
	 if (var4 > 240)
	 {
		 var4 = 240;
	 }
	 return var4 | var5 << 16;
}
/**
	 * Called to update the entity's position/logic.
	 */
public void onUpdate()
{
	 super.onUpdate();
	 if (this.field_70532_c > 0)
	 {
		 --this.field_70532_c;
	 }
	 this.prevPosX = this.posX;
	 this.prevPosY = this.posY;
	 this.prevPosZ = this.posZ;
	 this.motionY -= 0.029999999329447746D;
	 if (this.worldObj.getBlockMaterial(MathHelper.floor_double(this.posX), MathHelper.floor_double(this.posY), MathHelper.floor_double(this.posZ)) == Material.lava)
	 {
		 this.motionY = 0.20000000298023224D;
		 this.motionX = (double)((this.rand.nextFloat() - this.rand.nextFloat()) * 0.2F);
		 this.motionZ = (double)((this.rand.nextFloat() - this.rand.nextFloat()) * 0.2F);
		 this.playSound("random.fizz", 0.4F, 2.0F + this.rand.nextFloat() * 0.4F);
	 }
	 this.pushOutOfBlocks(this.posX, (this.boundingBox.minY + this.boundingBox.maxY) / 2.0D, this.posZ);
	 double var1 = 8.0D;
	 if (this.xpTargetColor < this.xpColor - 20 + this.entityId % 100)
	 {
		 if (this.closestPlayer == null || this.closestPlayer.getDistanceSqToEntity(this) > var1 * var1)
		 {
			 this.closestPlayer = this.worldObj.getClosestPlayerToEntity(this, var1);
		 }
		 this.xpTargetColor = this.xpColor;
	 }
	 if (this.closestPlayer != null)
	 {
		 double var3 = (this.closestPlayer.posX - this.posX) / var1;
		 double var5 = (this.closestPlayer.posY + (double)this.closestPlayer.getEyeHeight() - this.posY) / var1;
		 double var7 = (this.closestPlayer.posZ - this.posZ) / var1;
		 double var9 = Math.sqrt(var3 * var3 + var5 * var5 + var7 * var7);
		 double var11 = 1.0D - var9;
		 if (var11 > 0.0D)
		 {
			 var11 *= var11;
			 this.motionX += var3 / var9 * var11 * 0.1D;
			 this.motionY += var5 / var9 * var11 * 0.1D;
			 this.motionZ += var7 / var9 * var11 * 0.1D;
		 }
	 }
	 this.moveEntity(this.motionX, this.motionY, this.motionZ);
	 float var13 = 0.98F;
	 if (this.onGround)
	 {
		 var13 = 0.58800006F;
		 int var4 = this.worldObj.getBlockId(MathHelper.floor_double(this.posX), MathHelper.floor_double(this.boundingBox.minY) - 1, MathHelper.floor_double(this.posZ));
		 if (var4 > 0)
		 {
			 var13 = Block.blocksList[var4].slipperiness * 0.98F;
		 }
	 }
	 this.motionX *= (double)var13;
	 this.motionY *= 0.9800000190734863D;
	 this.motionZ *= (double)var13;
	 if (this.onGround)
	 {
		 this.motionY *= -0.8999999761581421D;
	 }
	 ++this.xpColor;
	 ++this.xpOrbAge;
	 if (this.xpOrbAge >= 6000)
	 {
		 this.setDead();
	 }
}
/**
	 * Returns if this entity is in water and will end up adding the waters velocity to the entity
	 */
public boolean handleWaterMovement()
{
	 return this.worldObj.handleMaterialAcceleration(this.boundingBox, Material.water, this);
}
/**
	 * Will deal the specified amount of damage to the entity if the entity isn't immune to fire damage. Args:
	 * amountDamage
	 */
protected void dealFireDamage(int par1)
{
	 this.attackEntityFrom(DamageSource.inFire, par1);
}
/**
	 * Called when the entity is attacked.
	 */
public boolean attackEntityFrom(DamageSource par1DamageSource, int par2)
{
	 if (this.isEntityInvulnerable())
	 {
		 return false;
	 }
	 else
	 {
		 this.setBeenAttacked();
		 this.xpOrbHealth -= par2;
		 if (this.xpOrbHealth <= 0)
		 {
			 this.setDead();
		 }
		 return false;
	 }
}
/**
	 * (abstract) Protected helper method to write subclass entity data to NBT.
	 */
public void writeEntityToNBT(NBTTagCompound par1NBTTagCompound)
{
	 par1NBTTagCompound.setShort("Health", (short)((byte)this.xpOrbHealth));
	 par1NBTTagCompound.setShort("Age", (short)this.xpOrbAge);
	 par1NBTTagCompound.setShort("Value", (short)this.xpValue);
}
/**
	 * (abstract) Protected helper method to read subclass entity data from NBT.
	 */
public void readEntityFromNBT(NBTTagCompound par1NBTTagCompound)
{
	 this.xpOrbHealth = par1NBTTagCompound.getShort("Health") & 255;
	 this.xpOrbAge = par1NBTTagCompound.getShort("Age");
	 this.xpValue = par1NBTTagCompound.getShort("Value");
}
/**
	 * Called by a player entity when they collide with an entity
	 */
public void onCollideWithPlayer(EntityPlayer par1EntityPlayer)
{
	 if (!this.worldObj.isRemote)
	 {
		 if (this.field_70532_c == 0 && par1EntityPlayer.xpCooldown == 0)
		 {
			 par1EntityPlayer.xpCooldown = 2;
			 this.playSound("random.orb", 0.1F, 0.5F * ((this.rand.nextFloat() - this.rand.nextFloat()) * 0.7F + 1.8F));
			 par1EntityPlayer.onItemPickup(this, 1);
			 par1EntityPlayer.addExperience(this.xpValue);
			 this.setDead();
		 }
	 }
}
/**
	 * Returns the XP value of this XP orb.
	 */
public int getXpValue()
{
	 return this.xpValue;
}
/**
	 * Returns a number from 1 to 10 based on how much XP this orb is worth. This is used by RenderXPOrb to determine
	 * what texture to use.
	 */
public int getTextureByXP()
{
	 return this.xpValue >= 2477 ? 10 : (this.xpValue >= 1237 ? 9 : (this.xpValue >= 617 ? 8 : (this.xpValue >= 307 ? 7 : (this.xpValue >= 149 ? 6 : (this.xpValue >= 73 ? 5 : (this.xpValue >= 37 ? 4 : (this.xpValue >= 17 ? 3 : (this.xpValue >= 7 ? 2 : (this.xpValue >= 3 ? 1 : 0)))))))));
}
/**
	 * Get xp split rate (Is called until the xp drop code in EntityLiving.onEntityUpdate is complete)
	 */
public static int getXPSplit(int par0)
{
	 return par0 >= 2477 ? 2477 : (par0 >= 1237 ? 1237 : (par0 >= 617 ? 617 : (par0 >= 307 ? 307 : (par0 >= 149 ? 149 : (par0 >= 73 ? 73 : (par0 >= 37 ? 37 : (par0 >= 17 ? 17 : (par0 >= 7 ? 7 : (par0 >= 3 ? 3 : 1)))))))));
}
/**
	 * If returns false, the item will not inflict any damage against entities.
	 */
public boolean canAttackWithItem()
{
	 return false;
}
}