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/*
$Id: input_joystick.cpp,v 1.4 2001/12/22 17:03:34 sphair Exp $
------------------------------------------------------------------------
ClanLib, the platform independent game SDK.
This library is distributed under the GNU LIBRARY GENERAL PUBLIC LICENSE
version 2. See COPYING for details.
For a total list of contributers see CREDITS.
------------------------------------------------------------------------
*/
#include "Core/precomp.h"
#include <iostream>
#include <windows.h>
#include "input_joystick.h"
/*****************************
CL_Joystick_Win32
*****************************/
CL_Joystick_Win32::CL_Joystick_Win32(int _joystick_id)
{
joystick_id = _joystick_id;
MMRESULT err=joyGetDevCaps(joystick_id, &joycaps, sizeof(joycaps));
if (err != JOYERR_NOERROR)
{
std::cout << "ClanLib: Failed to initialize joystick #" << joystick_id+1 << std::endl;
return;
}
}
CL_Joystick_Win32::~CL_Joystick_Win32()
{
}
char *CL_Joystick_Win32::get_name() const
{
// return joycaps.szOEMVxD;
return (char *) joycaps.szPname;
}
CL_InputDevice::InputDeviceType CL_Joystick_Win32::get_type() const
{
return CL_InputDevice::type_joystick;
}
int CL_Joystick_Win32::get_num_buttons() const
{
return joycaps.wMaxButtons;
}
CL_InputButton *CL_Joystick_Win32::get_button(int button_num)
{
return &buttons[button_num];
}
int CL_Joystick_Win32::get_num_axes() const
{
return joycaps.wMaxAxes;
}
CL_InputAxis *CL_Joystick_Win32::get_axis(int axis_num)
{
return &axes[axis_num];
}
int CL_Joystick_Win32::get_num_hats() const
{
return 1;
}
CL_InputHat *CL_Joystick_Win32::get_hat(int /*hat_num*/)
{
return &hat;
}
int CL_Joystick_Win32::get_num_cursors() const
{
return 0;
}
CL_InputCursor *CL_Joystick_Win32::get_cursor(int /*cursor_num*/)
{
return NULL;
}
void CL_Joystick_Win32::keep_alive()
{
JOYINFOEX joyinfo;
joyinfo.dwSize = sizeof(joyinfo);
joyinfo.dwFlags = JOY_RETURNALL;
MMRESULT err = joyGetPosEx(joystick_id, &joyinfo);
if (err != JOYERR_NOERROR)
{
static bool message_printed = false;
if (!message_printed)
{
std::cout << "ClanLib: Joystick polling failed (further messages suppressed)" << std::endl;
message_printed = true;
}
}
for (unsigned int button=0; button<joycaps.wMaxButtons; button++)
{
buttons[button].set_state(((joyinfo.dwButtons>>button)&1) ? true : false);
}
axes[0].set_pos(calc_pos(joyinfo.dwXpos, joycaps.wXmin, joycaps.wXmax));
axes[1].set_pos(calc_pos(joyinfo.dwYpos, joycaps.wYmin, joycaps.wYmax));
if (joycaps.wCaps&JOYCAPS_HASZ) axes[2].set_pos(calc_pos(joyinfo.dwZpos, joycaps.wZmin, joycaps.wZmax));
if (joycaps.wCaps&JOYCAPS_HASR) axes[3].set_pos(calc_pos(joyinfo.dwRpos, joycaps.wRmin, joycaps.wRmax));
if (joycaps.wCaps&JOYCAPS_HASU) axes[4].set_pos(calc_pos(joyinfo.dwUpos, joycaps.wUmin, joycaps.wUmax));
if (joycaps.wCaps&JOYCAPS_HASV) axes[5].set_pos(calc_pos(joyinfo.dwVpos, joycaps.wVmin, joycaps.wVmax));
if (joyinfo.dwPOV==JOY_POVCENTERED) hat.set_dir(-1);
else hat.set_dir(float(joyinfo.dwPOV)/100);
}
float CL_Joystick_Win32::calc_pos(int pos, int min, int max)
{
pos-=min;
max-=min;
int logical_pos=pos*13/max-6;
if (logical_pos>0) logical_pos--;
if (logical_pos<0) logical_pos++;
if (logical_pos<-5) logical_pos=-5;
if (logical_pos>5) logical_pos=5;
return logical_pos/(float) 5;
}
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