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/*
** ClanLib SDK
** Copyright (c) 1997-2005 The ClanLib Team
**
** This software is provided 'as-is', without any express or implied
** warranty. In no event will the authors be held liable for any damages
** arising from the use of this software.
**
** Permission is granted to anyone to use this software for any purpose,
** including commercial applications, and to alter it and redistribute it
** freely, subject to the following restrictions:
**
** 1. The origin of this software must not be misrepresented; you must not
** claim that you wrote the original software. If you use this software
** in a product, an acknowledgment in the product documentation would be
** appreciated but is not required.
** 2. Altered source versions must be plainly marked as such, and must not be
** misrepresented as being the original software.
** 3. This notice may not be removed or altered from any source distribution.
**
** Note: Some of the libraries ClanLib may link to may have additional
** requirements or restrictions.
**
** File Author(s):
**
** Magnus Norddahl
** (if your name is missing here, please add it)
*/
#include "API/Display/input_device.h"
#include "API/Display/input_event.h"
#include "input_device_sdljoystick.h"
#include "API/Core/System/error.h"
#include "API/Core/System/log.h"
#include "display_window_sdl.h"
#include <SDL/SDL.h>
/////////////////////////////////////////////////////////////////////////////
// CL_InputDevice_SDLJoystick construction:
CL_InputDevice_SDLJoystick::CL_InputDevice_SDLJoystick(CL_DisplayWindow_SDL *owner, int joystick_num) :
owner(owner), joystick(0), my_joystick(-1), last_x(0), last_y(0)
{
type = CL_InputDevice::joystick;
joystick = SDL_JoystickOpen(joystick_num);
if (joystick == 0)
{
throw CL_Error(SDL_GetError());
}
else
{
my_joystick = joystick_num;
slot_sdlevent = owner->sig_sdl_joystick_event.connect(this, &CL_InputDevice_SDLJoystick::handle_joystick_event);
}
}
CL_InputDevice_SDLJoystick::~CL_InputDevice_SDLJoystick()
{
if (joystick != 0)
{
SDL_JoystickClose(joystick);
joystick = 0;
}
}
/////////////////////////////////////////////////////////////////////////////
// CL_InputDevice_SDLJoystick attributes:
int CL_InputDevice_SDLJoystick::get_x() const
{
return 0;
}
int CL_InputDevice_SDLJoystick::get_y() const
{
return 0;
}
bool CL_InputDevice_SDLJoystick::get_keycode(int keycode) const
{
return (SDL_JoystickGetButton(joystick,keycode) == 1);
}
float CL_InputDevice_SDLJoystick::get_axis(int index) const
{
switch (index)
{
case 0:
return last_x / 32768.0f;
case 1:
return last_y / 32768.0f;
}
return 0.0f;
}
std::string CL_InputDevice_SDLJoystick::get_name() const
{
return "Joystick";
}
int CL_InputDevice_SDLJoystick::get_axis_count() const
{
return 2;
}
int CL_InputDevice_SDLJoystick::get_button_count() const
{
return -1;
}
/////////////////////////////////////////////////////////////////////////////
// CL_InputDevice_SDLJoystick operations:
std::string CL_InputDevice_SDLJoystick::get_key_name(int id) const
{
return CL_String::format("Joystick button %1", id);
}
/////////////////////////////////////////////////////////////////////////////
// CL_InputDevice_SDLJoystick implementation:
void CL_InputDevice_SDLJoystick::handle_joystick_axis_move(SDL_Event& event)
{
CL_InputEvent cl_event;
cl_event.device = CL_InputDevice(this);
cl_event.type = CL_InputEvent::axis_moved;
cl_event.id = event.jaxis.axis;
cl_event.axis_pos = event.jaxis.value / 32768.0f;
if(event.jaxis.axis == 0)
{
last_x = event.jaxis.value;
}
else if(event.jaxis.axis == 1)
{
last_y = event.jaxis.value;
}
cl_event.device.sig_axis_move().call(cl_event);
}
void CL_InputDevice_SDLJoystick::handle_joystick_hat_move(SDL_Event&)
{
// todo : Implement hat move
}
void CL_InputDevice_SDLJoystick::handle_joystick_ball_move(SDL_Event&)
{
// todo : Implement ball move
}
void CL_InputDevice_SDLJoystick::handle_joystick_button(SDL_Event& event)
{
CL_InputEvent cl_event;
cl_event.device = CL_InputDevice(this);
if(event.jbutton.state == SDL_PRESSED) cl_event.type = CL_InputEvent::pressed;
if(event.jbutton.state == SDL_RELEASED) cl_event.type = CL_InputEvent::released;
cl_event.id = event.jbutton.button;
if (cl_event.type == CL_InputEvent::pressed)
cl_event.device.sig_key_down().call(cl_event);
if (cl_event.type == CL_InputEvent::released)
cl_event.device.sig_key_up().call(cl_event);
}
void CL_InputDevice_SDLJoystick::handle_joystick_event(SDL_Event& event)
{
switch(event.type)
{
case SDL_JOYAXISMOTION:
if(event.jaxis.which == my_joystick) handle_joystick_axis_move(event);
break;
case SDL_JOYBUTTONDOWN:
case SDL_JOYBUTTONUP:
if(event.jbutton.which == my_joystick) handle_joystick_button(event);
break;
case SDL_JOYBALLMOTION:
if(event.jball.which == my_joystick) handle_joystick_ball_move(event);
break;
case SDL_JOYHATMOTION:
if(event.jhat.which == my_joystick) handle_joystick_hat_move(event);
break;
}
}
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