package net.minecraft.tileentity;
import java.util.Random;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.nbt.NBTTagCompound;
public class TileEntityEnchantmentTable extends TileEntity
{
/** Used by the render to make the book 'bounce' */
public int tickCount;
/** Value used for determining how the page flip should look. */
public float pageFlip;
/** The last tick's pageFlip value. */
public float pageFlipPrev;
public float field_70373_d;
public float field_70374_e;
/** The amount that the book is open. */
public float bookSpread;
/** The amount that the book is open. */
public float bookSpreadPrev;
public float bookRotation2;
public float bookRotationPrev;
public float bookRotation;
private static Random rand = new Random();
private String field_94136_s;
/**
* Writes a tile entity to NBT.
*/
public void writeToNBT(NBTTagCompound par1NBTTagCompound)
{
super.writeToNBT(par1NBTTagCompound);
if (this.func_94135_b())
{
par1NBTTagCompound.setString("CustomName", this.field_94136_s);
}
}
/**
* Reads a tile entity from NBT.
*/
public void readFromNBT(NBTTagCompound par1NBTTagCompound)
{
super.readFromNBT(par1NBTTagCompound);
if (par1NBTTagCompound.hasKey("CustomName"))
{
this.field_94136_s = par1NBTTagCompound.getString("CustomName");
}
}
/**
* Allows the entity to update its state. Overridden in most subclasses, e.g. the mob spawner uses this to count
* ticks and creates a new spawn inside its implementation.
*/
public void updateEntity()
{
super.updateEntity();
this.bookSpreadPrev = this.bookSpread;
this.bookRotationPrev = this.bookRotation2;
EntityPlayer entityplayer = this.worldObj.getClosestPlayer((double)((float)this.xCoord + 0.5F), (double)((float)this.yCoord + 0.5F), (double)((float)this.zCoord + 0.5F), 3.0D);
if (entityplayer != null)
{
double d0 = entityplayer.posX - (double)((float)this.xCoord + 0.5F);
double d1 = entityplayer.posZ - (double)((float)this.zCoord + 0.5F);
this.bookRotation = (float)Math.atan2(d1, d0);
this.bookSpread += 0.1F;
if (this.bookSpread < 0.5F || rand.nextInt(40) == 0)
{
float f = this.field_70373_d;
do
{
this.field_70373_d += (float)(rand.nextInt(4) - rand.nextInt(4));
}
while (f == this.field_70373_d);
}
}
else
{
this.bookRotation += 0.02F;
this.bookSpread -= 0.1F;
}
while (this.bookRotation2 >= (float)Math.PI)
{
this.bookRotation2 -= ((float)Math.PI * 2F);
}
while (this.bookRotation2 < -(float)Math.PI)
{
this.bookRotation2 += ((float)Math.PI * 2F);
}
while (this.bookRotation >= (float)Math.PI)
{
this.bookRotation -= ((float)Math.PI * 2F);
}
while (this.bookRotation < -(float)Math.PI)
{
this.bookRotation += ((float)Math.PI * 2F);
}
float f1;
for (f1 = this.bookRotation - this.bookRotation2; f1 >= (float)Math.PI; f1 -= ((float)Math.PI * 2F))
{
;
}
while (f1 < -(float)Math.PI)
{
f1 += ((float)Math.PI * 2F);
}
this.bookRotation2 += f1 * 0.4F;
if (this.bookSpread < 0.0F)
{
this.bookSpread = 0.0F;
}
if (this.bookSpread > 1.0F)
{
this.bookSpread = 1.0F;
}
++this.tickCount;
this.pageFlipPrev = this.pageFlip;
float f2 = (this.field_70373_d - this.pageFlip) * 0.4F;
float f3 = 0.2F;
if (f2 < -f3)
{
f2 = -f3;
}
if (f2 > f3)
{
f2 = f3;
}
this.field_70374_e += (f2 - this.field_70374_e) * 0.9F;
this.pageFlip += this.field_70374_e;
}
public String func_94133_a()
{
return this.func_94135_b() ? this.field_94136_s : "container.enchant";
}
public boolean func_94135_b()
{
return this.field_94136_s != null && this.field_94136_s.length() > 0;
}
public void func_94134_a(String par1Str)
{
this.field_94136_s = par1Str;
}
}