var userNum = -1;					// 0 = red, 1 = acid, 2 = base
var following = false;	// is it following someone?
var whoFollow = -1;		// well, who is it following?
//private var fNum = 0;				// number of char folloing this char
var fChar = -1;			// what character is it following?
var touchChar = false;				// is it touching another character?

var slot1 = -1;			// slot 1		-1 = nobody
var slot2 = -1;			// slot 2		0~2 = red, acid, or base
var slot = -1;				// tells you which slot you are in...

var rot = new Array();	// collection of rotations
var pos = new Array();// collection of positions

var arrMax = 60;
var arrPt1 = arrMax - 25;
var arrPt2 = arrMax - 50;

var distGap = 2.00;

var dist = 0;

var updatePos = true;

function Update ()
{
	// should only start following you if the character is close to you.
	// F key should be used for following
	// E button should release them. This will make any interaction release follow script
	
	// If anything is following this character, record changes
	//if (slot1 != -1 && updatePos)
	if (updatePos)
	{
		//print(pos.length);
		rot.Add(transform.rotation);
		pos.Add(transform.position);
		
		// assuming the length are always in sync.
		if (rot.length > arrMax)
		{
			// keeping the length "arrMax"
			rot.Shift();
			pos.Shift();
		}
	}
/*	else
	{
		if (rot.length != 0)
		{
			rot.Clear();
		}
		if (pos.length != 0)
		{
			pos.Clear();
		}
	}	// */
	
	// either E or Q will release the follow
	if (Input.GetKeyDown(KeyCode.E) || Input.GetKeyDown(KeyCode.Q))
	{
		following = false;
		whoFollow = -1;
		fChar = -1;
		slot1 = -1;
		slot2 = -1;
		slot = -1;
		rot.Clear();
		pos.Clear();
		updatePos = true;
	}
	
	// activation script - follow mode will be activated
	if (Input.GetKeyDown(KeyCode.F) && touchChar && !following)
	{
		var inControl = gameObject.Find("Master Controller Light").GetComponent(MasterController_edit).activePlayer;

		// only follow if the character is not in control
		if (inControl != userNum)
		{
			following = true;

			switch(inControl)
			{
				case 0:
					if (gameObject.Find("Big Red").GetComponent(Follow).slot1 == -1)
					{
						gameObject.Find("Big Red").GetComponent(Follow).slot1 = userNum;
						gameObject.Find("Big Red").GetComponent(Follow).updatePos = true;
						slot = 1;
					}
					else
					{
						gameObject.Find("Big Red").GetComponent(Follow).slot2 = userNum;
						slot = 2;
					}
					break;
				case 1:
					if (gameObject.Find("Acid").GetComponent(Follow).slot1 == -1)
					{
						gameObject.Find("Acid").GetComponent(Follow).slot1 = userNum;
						gameObject.Find("Acid").GetComponent(Follow).updatePos = true;
						slot = 1;
					}
					else
					{
						gameObject.Find("Acid").GetComponent(Follow).slot2 = userNum;
						slot = 2;
					}
					break;
				case 2:
					if (gameObject.Find("Base").GetComponent(Follow).slot1 == -1)
					{
						gameObject.Find("Base").GetComponent(Follow).slot1 = userNum;
						gameObject.Find("Base").GetComponent(Follow).updatePos = true;
						slot = 1;
					}
					else
					{
						gameObject.Find("Base").GetComponent(Follow).slot2 = userNum;
						slot = 2;
					}
					break;
			}
			
			whoFollow = inControl;
		}
	}
	
	if (following)
	{
		switch(whoFollow)
		{
			case 0:
				if (slot == 1 && gameObject.Find("Big Red").GetComponent(Follow).rot.length > arrPt1)
				{
					dist = Vector3.Distance(transform.position, gameObject.Find("Big Red").GetComponent(Transform).position);
					if (dist < distGap)
						gameObject.Find("Big Red").GetComponent(Follow).updatePos = false;
					else
						gameObject.Find("Big Red").GetComponent(Follow).updatePos = true;
					transform.rotation = gameObject.Find("Big Red").GetComponent(Follow).rot[arrPt1];
					transform.position = gameObject.Find("Big Red").GetComponent(Follow).pos[arrPt1];
					
					if (userNum == 1)
						transform.position.y += 0.2;
					else if (userNum == 2)
						transform.position.y += 0.5;
				}
				else if (gameObject.Find("Big Red").GetComponent(Follow).rot.length > arrPt2)
				{
					transform.rotation = gameObject.Find("Big Red").GetComponent(Follow).rot[arrPt2];
					transform.position = gameObject.Find("Big Red").GetComponent(Follow).pos[arrPt2];
					
					if (userNum == 1)
						transform.position.y += 0.2;
					else if (userNum == 2)
						transform.position.y += 0.5;
				}
				break;
			case 1:
				if (slot == 1 && gameObject.Find("Acid").GetComponent(Follow).rot.length > arrPt1)
				{
					dist = Vector3.Distance(transform.position, gameObject.Find("Acid").GetComponent(Transform).position);
					if (dist < distGap)
						gameObject.Find("Acid").GetComponent(Follow).updatePos = false;
					else
						gameObject.Find("Acid").GetComponent(Follow).updatePos = true;
					transform.rotation = gameObject.Find("Acid").GetComponent(Follow).rot[arrPt1];
					transform.position = gameObject.Find("Acid").GetComponent(Follow).pos[arrPt1];
					
					if (userNum == 0)
						transform.position.y -= 0.2;
					else if (userNum == 2)
						transform.position.y += 0.3;
				}
				else if (gameObject.Find("Acid").GetComponent(Follow).rot.length > arrPt2)
				{
					transform.rotation = gameObject.Find("Acid").GetComponent(Follow).rot[arrPt2];
					transform.position = gameObject.Find("Acid").GetComponent(Follow).pos[arrPt2];
					if (userNum == 0)
						transform.position.y -= 0.2;
					else if (userNum == 2)
						transform.position.y += 0.3;
				}
				break;
			case 2:
				if (slot == 1 && gameObject.Find("Base").GetComponent(Follow).rot.length > arrPt1)
				{
					dist = Vector3.Distance(transform.position, gameObject.Find("Base").GetComponent(Transform).position);
					if (dist < distGap)
						gameObject.Find("Base").GetComponent(Follow).updatePos = false;
					else
						gameObject.Find("Base").GetComponent(Follow).updatePos = true;
					transform.rotation = gameObject.Find("Base").GetComponent(Follow).rot[arrPt1];
					transform.position = gameObject.Find("Base").GetComponent(Follow).pos[arrPt1];
					
					if (userNum == 0)
						transform.position.y -= 0.5;
					else if (userNum == 1)
						transform.position.y -= 0.2;
				}
				else if (gameObject.Find("Base").GetComponent(Follow).rot.length > arrPt2)
				{
					transform.rotation = gameObject.Find("Base").GetComponent(Follow).rot[arrPt2];
					transform.position = gameObject.Find("Base").GetComponent(Follow).pos[arrPt2];
					
					if (userNum == 0)
						transform.position.y -= 0.5;
					else if (userNum == 1)
						transform.position.y -= 0.2;
				}
				break;
		}
	}
}

// when someone collides with this character...
function OnTriggerEnter(col : Collider)
{
	var cmtr: CharacterMotor = col.GetComponent(CharacterMotor);
	var properties : Properties = col.GetComponent(Properties);
	var follow : Follow = col.GetComponent(Follow);
	if(cmtr == null)
		return;
	if(properties != null)
		return;
	if(follow == null)
		return;
	touchChar = true;
}

function OnTriggerExit(col : Collider)
{
	var cmtr: CharacterMotor = col.GetComponent(CharacterMotor);
	var properties : Properties = col.GetComponent(Properties);
	var follow : Follow = col.GetComponent(Follow);
	if(cmtr == null)
		return;
	if(properties != null)
		return;
	if(follow == null)
		return;
	touchChar = false;
}