/*

* Copyright (C) 2012 Interactive Lab

*

* Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation * files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, * modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions:

* The above copyright notice and this permission notice shall be included in all copies or substantial portions of the * Software.

* * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE * WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

*/

using System;

using UnityEngine;

namespace TouchScript.InputSources {

/// <summary>

/// Base class for all touch input sources

/// </summary>

public abstract class InputSource : MonoBehaviour {

#region Unity fields

/// <summary>

/// Optional remapper to use to change screen coordinates which go into the TouchManager.

/// </summary>

public ICoordinatesRemapper CoordinatesRemapper;

#endregion

#region Private variables

protected TouchManager Manager;

protected int ScreenWidth;

protected int ScreenHeight;

#endregion

#region Unity

protected virtual void Start() {

Manager = TouchManager.Instance;

if (Manager == null) throw new InvalidOperationException("TouchManager instance is required!");

}

protected virtual void OnDestroy() {}

protected virtual void Update() {

ScreenWidth = Screen.width;

ScreenHeight = Screen.height;

}

#endregion

#region Callbacks

protected int beginTouch(Vector2 position) {

if (CoordinatesRemapper != null) {

position = CoordinatesRemapper.Remap(position);

}

return Manager.BeginTouch(position);

}

protected void endTouch(int id) {

Manager.EndTouch(id);

}

protected void moveTouch(int id, Vector2 position) {

if (CoordinatesRemapper != null) {

position = CoordinatesRemapper.Remap(position);

}

Manager.MoveTouch(id, position);

}

protected void cancelTouch(int id) {

Manager.CancelTouch(id);

}

#endregion

}

}