/* -----------------------------------------------------------------------------
	GSFramework
	Copyright 2001-2013 Emmanuel Julien. All Rights Reserved.
----------------------------------------------------------------------------- */


		#include "input/input_touch.h"
		#include "nstring/nstring.h"

		using namespace GS::Input;


//------------------------------------------------------------------------------
void				TouchDevice::RegisterTouchEvent(float x, float y, float weight)
{
	pending_state.button = asbool(weight > 0);
	pending_state.x = x;
	pending_state.y = y;
}
void				TouchDevice::Update()
{
	last_state = state;
	state = pending_state;
}
//------------------------------------------------------------------------------

//------------------------------------------------------------------------------
bool				TouchDevice::IsDown(KeyCode key) const
{	return key == Key_Button0 ? state.button : false;	}
bool				TouchDevice::WasDown(KeyCode key) const
{	return key == Key_Button0 ? last_state.button : false;	}
//------------------------------------------------------------------------------

//------------------------------------------------------------------------------
bool				TouchDevice::GetInputRange(InputCode i, float &mn, float &mx) const
{
	switch (i)
	{
		case Input_AxisX:
		case Input_AxisY:
			mn = 0; mx = 1;
			return true;

		case Input_RotX:		// Horizontal wheel.
		case Input_RotY:		// Vertical wheel.
			mn = 0; mx = 1024;
			return true;

		default: break;
	}
	return false;
}
//------------------------------------------------------------------------------

//------------------------------------------------------------------------------
float				TouchDevice::GetValue(InputCode i) const
{
	switch (i)
	{
		case Input_AxisX:	return state.x;
		case Input_AxisY:	return state.y;

		default: break;
	}
	return 0;
}
float				TouchDevice::GetLastValue(InputCode i) const
{
	switch (i)
	{
		case Input_AxisX:	return last_state.x;
		case Input_AxisY:	return last_state.y;

		default: break;
	}
	return 0;
}
//------------------------------------------------------------------------------

//------------------------------------------------------------------------------
void				TouchDevice::SetIndex(int _index)
{	index = _index;	}
Device::Type		TouchDevice::GetType() const
{	return index == -1 ? Type_Mouse : Type_Touch;	}
const char			*TouchDevice::GetName() const
{	return index == -1 ? "mouse" : GS::String::Format("touch%d", index).c_str();	}
//------------------------------------------------------------------------------

//------------------------------------------------------------------------------
TouchDevice::TouchDevice(int i) : index(i)
{
	state.x = 0; state.y = 0;
	state.button = false;
	pending_state = last_state = state;
}
//------------------------------------------------------------------------------