net.minecraft.server.ControllerLook Maven / Gradle / Ivy

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package net.minecraft.server;

public class ControllerLook {
	
	private final EntityInsentient a;
	private float b;
	private float c;
	private boolean d;
	private double e;
	private double f;
	private double g;
	
	public ControllerLook(EntityInsentient entityinsentient) {
		this.a = entityinsentient;
	}
	
	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.getBoundingBox().b + entity.getBoundingBox().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 = MathHelper.sqrt(d0 * d0 + d2 * d2);
			float f = (float) (MathHelper.b(d2, d0) * 180.0D / 3.1415927410125732D) - 90.0F;
			float f1 = (float) (-(MathHelper.b(d1, d3) * 180.0D / 3.1415927410125732D));
			
			this.a.pitch = this.a(this.a.pitch, f1, this.c);
			this.a.rotationYawHead = this.a(this.a.rotationYawHead, f, this.b);
		} else {
			this.a.rotationYawHead = this.a(this.a.rotationYawHead, this.a.renderYawOffset, 10.0F);
		}
		
		float f2 = MathHelper.g(this.a.rotationYawHead - this.a.renderYawOffset);
		
		if (!this.a.getNavigation().noPath()) {
			if (f2 < -75.0F) {
				this.a.rotationYawHead = this.a.renderYawOffset - 75.0F;
			}
			
			if (f2 > 75.0F) {
				this.a.rotationYawHead = this.a.renderYawOffset + 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;
	}
	
	public boolean b() {
		return this.d;
	}
	
	public double e() {
		return this.e;
	}
	
	public double f() {
		return this.f;
	}
	
	public double g() {
		return this.g;
	}
}