package net.minecraft.entity;
import net.minecraft.util.MathHelper;
public class EntityBodyHelper
{
/** Instance of EntityLiving. */
private EntityLiving theLiving;
private int field_75666_b = 0;
private float field_75667_c = 0.0F;
public EntityBodyHelper(EntityLiving par1EntityLiving)
{
this.theLiving = par1EntityLiving;
}
public void func_75664_a()
{
double d0 = this.theLiving.posX - this.theLiving.prevPosX;
double d1 = this.theLiving.posZ - this.theLiving.prevPosZ;
if (d0 * d0 + d1 * d1 > 2.500000277905201E-7D)
{
this.theLiving.renderYawOffset = this.theLiving.rotationYaw;
this.theLiving.rotationYawHead = this.func_75665_a(this.theLiving.renderYawOffset, this.theLiving.rotationYawHead, 75.0F);
this.field_75667_c = this.theLiving.rotationYawHead;
this.field_75666_b = 0;
}
else
{
float f = 75.0F;
if (Math.abs(this.theLiving.rotationYawHead - this.field_75667_c) > 15.0F)
{
this.field_75666_b = 0;
this.field_75667_c = this.theLiving.rotationYawHead;
}
else
{
++this.field_75666_b;
if (this.field_75666_b > 10)
{
f = Math.max(1.0F - (float)(this.field_75666_b - 10) / 10.0F, 0.0F) * 75.0F;
}
}
this.theLiving.renderYawOffset = this.func_75665_a(this.theLiving.rotationYawHead, this.theLiving.renderYawOffset, f);
}
}
private float func_75665_a(float par1, float par2, float par3)
{
float f3 = MathHelper.wrapAngleTo180_float(par1 - par2);
if (f3 < -par3)
{
f3 = -par3;
}
if (f3 >= par3)
{
f3 = par3;
}
return par1 - f3;
}
}