/* 
  *  This file is part of the Unity networking tutorial by M2H (http://www.M2H.nl)
  *  The original author of this code is Mike Hergaarden, even though some small parts 
  *  are copied from the Unity tutorials/manuals.
  *  Feel free to use this code for your own projects, drop us a line if you made something exciting! 
  */
  #pragma strict
  
  var ammoGO : GameObject;
  var powerupGO : GameObject;
  var hpGO : GameObject;
  
  public var powerupText : GUIText;
  var respawnTimePickup : int  =30;
  
  private var isActive : boolean = false;
  private var powerUps = new Array();
  private var currentItem : int =0;
  private var currentGO : GameObject;
  
  function Start(){
          powerupText = GameObject.Find("powerupGUIText").GetComponent(GUIText);
          powerupText.text="";
          
          powerUps.Add("Invincible");
          powerUps.Add("hp");
          powerUps.Add("ammo");
          
          hpGO.SetActiveRecursively(false);
          ammoGO.SetActiveRecursively(false);
          powerupGO.SetActiveRecursively(false);
          
          NewPickup(0, Random.Range(0,powerUps.length)); 
  }
  
  function OnTriggerEnter (other : Collider) {
          var object =  other.gameObject;
          var playerScript : PlayerScript = object.GetComponent(PlayerScript);
          
          if(isActive){
                  Pickup(object, playerScript);
          }
  }
  
  function Pickup(object : GameObject, playerScript : PlayerScript){
          if(!playerScript.localPlayer){
                  //Only the local player can pickup his own item
                  return;
          }
  
          var pickedUp : String =powerUps[currentItem];
          
          var playersNetworkView : NetworkView = object.GetComponent(NetworkView);
          
          if(pickedUp=="Invincible"){                
                  DisplayMessage("INVINCIBLE!", 10);
                  playersNetworkView.RPC("StartInvincibility",RPCMode.All);                 
          }else if(pickedUp=="hp"){
                  var newHP=playerScript.hp+50;
                  if(newHP>100){
                          newHP=100;
                  }
                  playersNetworkView.RPC("setHP",RPCMode.All, newHP);
                   
                  DisplayMessage("GOT EXTRA HP!",2);
                  
          }else if(pickedUp=="ammo"){
                  var gun : Machinegun = object.transform.Find("CrateCamera/Weapon").GetComponent("Machinegun");        
                  gun.clips+=3;
                  gun.GetBulletsLeft();
                  
                  DisplayMessage("GOT EXTRA AMMO!",2);
                  
          }else{
                  Debug.LogError("ERROR: UNKNOWN POWERUP: "+pickedUp);
          }
          
          //deactivates current pickup and will spawn a new one
          networkView.RPC("NewPickup",RPCMode.All, respawnTimePickup,  Random.Range(0,powerUps.length)); 
          
  }
  
  @RPC
  function NewPickup(seconds: int, newItem: int){
          //Disable the pickup, reactive it after X seconds
          if(currentGO){
                  currentGO.SetActiveRecursively(false);
          }
          isActive=false;
          
          yield new WaitForSeconds (seconds);
          
          currentItem=newItem; 
          if(powerUps[currentItem]=="hp"){
                  currentGO = hpGO;
          }else if(powerUps[currentItem]=="ammo"){
                  currentGO = ammoGO;
          }else{
                  currentGO = powerupGO;
          }        
          isActive=true;
          currentGO.SetActiveRecursively(true);
  }
  
  function DisplayMessage(message : String, seconds : int){
          powerupText.text=message;
          yield WaitForSeconds(seconds);
          if(powerupText.text==message){
                  powerupText.text="";                
          }
  }