//////////////////////////////////////////////////////
// MicroSplat
// Copyright (c) Jason Booth
//////////////////////////////////////////////////////

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

namespace JBooth.MicroSplat
{
#if __MICROSPLAT__
   public class StreamEmitter : MonoBehaviour
   {
      public enum EmitterType
      {
         Water,
         Lava
      }

      public EmitterType emitterType = EmitterType.Water;

      [Range(0, 1)]
      public float strength = 1;

      void OnDrawGizmos()
      {
         Gizmos.color = (emitterType == EmitterType.Water) ? Color.blue : Color.red;
         Gizmos.DrawWireSphere(this.transform.position, this.transform.lossyScale.x);
      }

      StreamManager streamMgr;
      void OnEnable()
      {
         var hits = Physics.RaycastAll(new Ray(transform.position + Vector3.up * 10, Vector3.down));
         for (int i = 0; i < hits.Length; ++i)
         {
            var sm = hits[i].collider.GetComponent<StreamManager>();
#if __MICROSPLAT_MESHTERRAIN__
            if (sm == null && hits[i].collider.transform.parent != null)
            {
               sm = hits[i].collider.transform.parent.GetComponent<StreamManager>();
            }
#endif
            if (sm != null)
            {
               streamMgr = sm;
               sm.Register(this);
               break;
            }

         }
      }

      void OnDisable()
      {
         if (streamMgr != null)
         {
            streamMgr.Unregister(this);
            streamMgr = null;
         }
      }

   }
#endif
}