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package net.minecraft.server;
import org.bukkit.craftbukkit.TrigMath; // CraftBukkit
public class ControllerLook {
private EntityLiving a;
private float b;
private float c;
private boolean d = false;
private double e;
private double f;
private double g;
public ControllerLook(EntityLiving entityliving) {
this.a = entityliving;
}
public void a(Entity entity, float f, float f1) {
this.e = entity.locX;
if (entity instanceof EntityLiving) {
this.f = entity.locY + (double) entity.getHeadHeight();
} else {
this.f = (entity.boundingBox.b + entity.boundingBox.e) / 2.0D;
}
this.g = entity.locZ;
this.b = f;
this.c = f1;
this.d = true;
}
public void a(double d0, double d1, double d2, float f, float f1) {
this.e = d0;
this.f = d1;
this.g = d2;
this.b = f;
this.c = f1;
this.d = true;
}
public void a() {
this.a.pitch = 0.0F;
if (this.d) {
this.d = false;
double d0 = this.e - this.a.locX;
double d1 = this.f - (this.a.locY + (double) this.a.getHeadHeight());
double d2 = this.g - this.a.locZ;
double d3 = (double) MathHelper.sqrt(d0 * d0 + d2 * d2);
// CraftBukkit start - Math -> TrigMath
float f = (float) (TrigMath.atan2(d2, d0) * 180.0D / 3.1415927410125732D) - 90.0F;
float f1 = (float) (-(TrigMath.atan2(d1, d3) * 180.0D / 3.1415927410125732D));
// CraftBukkit end
this.a.pitch = this.a(this.a.pitch, f1, this.c);
this.a.as = this.a(this.a.as, f, this.b);
} else {
this.a.as = this.a(this.a.as, this.a.aq, 10.0F);
}
float f2 = MathHelper.g(this.a.as - this.a.aq);
if (!this.a.getNavigation().f()) {
if (f2 < -75.0F) {
this.a.as = this.a.aq - 75.0F;
}
if (f2 > 75.0F) {
this.a.as = this.a.aq + 75.0F;
}
}
}
private float a(float f, float f1, float f2) {
float f3 = MathHelper.g(f1 - f);
if (f3 > f2) {
f3 = f2;
}
if (f3 < -f2) {
f3 = -f2;
}
return f + f3;
}
}
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