class="kw">package com.hypixel.hytale.server.npc.corecomponents.world;

class="kw">import com.hypixel.hytale.component.ComponentAccessor;
class="kw">import com.hypixel.hytale.component.Ref;
class="kw">import com.hypixel.hytale.math.random.RandomExtra;
class="kw">import com.hypixel.hytale.math.util.MathUtil;
class="kw">import com.hypixel.hytale.math.vector.Rotation3f;
class="kw">import com.hypixel.hytale.protocol.Rangef;
class="kw">import com.hypixel.hytale.server.core.asset.type.model.config.camera.CameraSettings;
class="kw">import com.hypixel.hytale.server.core.modules.entity.component.HeadRotation;
class="kw">import com.hypixel.hytale.server.core.modules.entity.component.ModelComponent;
class="kw">import com.hypixel.hytale.server.core.modules.entity.component.TransformComponent;
class="kw">import com.hypixel.hytale.server.core.universe.world.storage.EntityStore;
class="kw">import com.hypixel.hytale.server.npc.asset.builder.BuilderSupport;
class="kw">import com.hypixel.hytale.server.npc.corecomponents.HeadMotionBase;
class="kw">import com.hypixel.hytale.server.npc.corecomponents.world.builders.BuilderHeadMotionObserve;
class="kw">import com.hypixel.hytale.server.npc.instructions.ExecutionSupport;
class="kw">import com.hypixel.hytale.server.npc.movement.Steering;
class="kw">import com.hypixel.hytale.server.npc.movement.steeringforces.SteeringForceRotate;
class="kw">import com.hypixel.hytale.server.npc.sensorinfo.InfoProvider;
class="kw">import javax.annotation.Nonnull;
class="kw">import javax.annotation.Nullable;

class="kw">public class HeadMotionObserve class="kw">extends HeadMotionBase {
   class="kw">protected class="kw">final float[] angleRange;
   class="kw">protected class="kw">final double[] pauseTimeRange;
   class="kw">protected class="kw">final boolean pickRandomAngle;
   class="kw">protected class="kw">final int viewSegments;
   class="kw">protected class="kw">final double relativeTurnSpeed;
   class="kw">protected double preDelay;
   class="kw">protected double delay;
   class="kw">protected int currentViewSegment;
   class="kw">protected boolean invertedDirection;
   class="kw">protected float targetBodyOffsetYaw;
   class="kw">protected class="kw">final SteeringForceRotate steeringForceRotate = new SteeringForceRotate();

   class="kw">public HeadMotionObserve(@Nonnull BuilderHeadMotionObserve var1, @Nonnull BuilderSupport var2) {
      super(var1);
      this.angleRange = var1.getAngleRange(var2);
      this.pauseTimeRange = var1.getPauseTimeRange(var2);
      this.pickRandomAngle = var1.isPickRandomAngle(var2);
      this.viewSegments = var1.getViewSegments(var2);
      this.relativeTurnSpeed = var1.getRelativeTurnSpeed(var2);
   }

   @Override
   class="kw">public void activate(@Nonnull Ref<EntityStore> var1, @Nonnull ExecutionSupport var2, @Nonnull ComponentAccessor<EntityStore> var3) {
      this.preDelay = RandomExtra.randomRange(this.pauseTimeRange);
      this.currentViewSegment = 0;
      this.pickNextAngle(var1, var3);
   }

   @Override
   class="kw">public boolean computeSteering(
      @Nonnull Ref<EntityStore> var1,
      @Nonnull ExecutionSupport var2,
      @Nullable InfoProvider var3,
      double var4,
      @Nonnull Steering var6,
      @Nonnull ComponentAccessor<EntityStore> var7
   ) {
      if (this.tickPreDelay(var4)) {
         class="kw">return true;
      }

      TransformComponent var8 = var7.getComponent(var1, TransformComponent.getComponentType());
      assert var8 != null;
      HeadRotation var9 = var7.getComponent(var1, HeadRotation.getComponentType());
      assert var9 != null;
      Rotation3f var10 = var9.getRotation();
      this.steeringForceRotate.setHeading(var10.yaw());
      this.steeringForceRotate.setDesiredHeading(var8.getRotation().yaw() + this.targetBodyOffsetYaw);
      if (this.steeringForceRotate.compute(var6)) {
         var6.setRelativeTurnSpeed(this.relativeTurnSpeed);
         class="kw">return true;
      }

      var6.setYaw(var8.getRotation().yaw() + this.targetBodyOffsetYaw);
      if (this.tickDelay(var4)) {
         class="kw">return true;
      }

      this.pickNextAngle(var1, var7);
      class="kw">return true;
   }

   class="kw">protected boolean tickPreDelay(double var1) {
      if (this.preDelay > 0.0) {
         this.preDelay -= var1;
         class="kw">return true;
      } else {
         class="kw">return false;
      }
   }

   class="kw">protected boolean tickDelay(double var1) {
      if (this.delay > 0.0) {
         this.delay -= var1;
         class="kw">return true;
      } else {
         class="kw">return false;
      }
   }

   class="kw">protected void pickNextAngle(@Nonnull Ref<EntityStore> var1, @Nonnull ComponentAccessor<EntityStore> var2) {
      ModelComponent var3 = var2.getComponent(var1, ModelComponent.getComponentType());
      assert var3 != null;
      CameraSettings var6 = var3.getModel().getCamera();
      float var4;
      float var5;
      if (var6 != null && var6.getYaw() != null && var6.getYaw().getAngleRange() != null) {
         Rangef var7 = var6.getYaw().getAngleRange();
         var4 = var7.min;
         var5 = var7.max;
      } else {
         var4 = (float) (-Math.PI / 4);
         var5 = (float) (Math.PI / 4);
      }

      float var12 = Math.max(this.angleRange[0], var4);
      float var8 = Math.min(this.angleRange[1], var5);
      if (this.pickRandomAngle) {
         this.targetBodyOffsetYaw = RandomExtra.randomRange(var12, var8);
      } else if (this.viewSegments > 1) {
         float var9 = MathUtil.wrapAngle(var8 - var12);
         float var10 = var9 / (this.viewSegments - 1);
         int var11 = this.currentViewSegment++;
         this.currentViewSegment = this.currentViewSegment % this.viewSegments;
         this.targetBodyOffsetYaw = var12 + var11 * var10;
      } else if (!this.invertedDirection) {
         this.targetBodyOffsetYaw = var12;
         this.invertedDirection = true;
      } else {
         this.targetBodyOffsetYaw = var8;
         this.invertedDirection = false;
      }

      this.delay = RandomExtra.randomRange(this.pauseTimeRange);
   }
}