using System;

using UnityEngine;

namespace Framework.Actors {

  /// <summary>Contains helper methods for working with Mecanim animators</summary>
  public static class AnimatorHelper {

    /// <summary>Determines the index of the layer with the specified name</summary>
    /// <param name="name">Name of the layer whose index will be determined</param>
    /// <returns>The index of the layer with the specified name</returns>
    public static int GetLayerIndex(Animator animator, string name) {
      for(int index = 0; index < animator.layerCount; ++index) {
        string layerName = animator.GetLayerName(index);

        bool ignoreCase = true;
        if(string.Compare(layerName, name, ignoreCase) == 0) {
          return index;
        }
      }

      return -1;
    }

  }

} // namespace Framework.Actors