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/*
client/joystick.cc
This file is part of the Osirion project and is distributed under
the terms and conditions of the GNU General Public License version 2
*/
#include "SDL/SDL.h"
#include "auxiliary/functions.h"
#include "client/joystick.h"
#include "sys/sys.h"
namespace client
{
// configured joystick number
core::Cvar *Joystick::input_joystick = 0;
// joystick axes
core::Cvar *Joystick::input_axisdirection = 0;
core::Cvar *Joystick::input_axispitch = 0;
core::Cvar *Joystick::input_axisroll = 0;
core::Cvar *Joystick::input_axisthrottle = 0;
// current joystick number
int current_joystick_number = 0;
SDL_Joystick *current_joystick = 0;
void Joystick::init()
{
SDL_InitSubSystem(SDL_INIT_JOYSTICK);
int nbjoysticks = SDL_NumJoysticks();
if (nbjoysticks) {
for (int i = 0; i < nbjoysticks; i++) {
SDL_Joystick *joystick = SDL_JoystickOpen(i);
if (joystick) {
con_print << " joystick " << i + 1 << ": " <<
SDL_JoystickName(i) << " " <<
SDL_JoystickNumAxes(joystick) << " axes " <<
SDL_JoystickNumButtons(joystick) << " buttons " << std::endl;
SDL_JoystickClose(joystick);
}
}
}
input_joystick = core::Cvar::get("input_joystick", 0.0f, core::Cvar::Archive);
input_joystick->set_info("[int] set joystick number to use");
input_axisdirection = core::Cvar::get("input_axisdirection", 1.0f, core::Cvar::Archive);
input_axisdirection->set_info("[int] joystick axis for direction control, 0 disables");
input_axispitch = core::Cvar::get("input_axispitch", 2.0f, core::Cvar::Archive);
input_axispitch->set_info("[int] joystick axis for pitch control, 0 disables");
input_axisroll = core::Cvar::get("input_axisroll", 3.0f, core::Cvar::Archive);
input_axisroll->set_info("[int] joystick axis for roll control, 0 disables");
input_axisthrottle = core::Cvar::get("input_axisthrottle", 4.0f, core::Cvar::Archive);
input_axisthrottle->set_info("[int] joystick axis for throttle control, 0 disables");
current_joystick_number = 0;
SDL_JoystickEventState(SDL_IGNORE);
}
void Joystick::shutdown()
{
if (current_joystick) {
SDL_JoystickEventState(SDL_IGNORE);
SDL_JoystickClose(current_joystick);
current_joystick = 0;
}
SDL_QuitSubSystem(SDL_INIT_JOYSTICK);
}
void Joystick::list()
{
if (current_joystick) {
SDL_JoystickEventState(SDL_IGNORE);
SDL_JoystickClose(current_joystick);
current_joystick = 0;
}
/*
// reset makes glorious segfaults
//SDL_QuitSubSystem(SDL_INIT_JOYSTICK);
//SDL_InitSubSystem(SDL_INIT_JOYSTICK);
*/
int nbjoysticks = SDL_NumJoysticks();
if (nbjoysticks) {
for (int i = 0; i < nbjoysticks; i++) {
SDL_Joystick *joystick = SDL_JoystickOpen(i);
if (joystick) {
con_print << " joystick " << i + 1 << ": " <<
SDL_JoystickName(i) << " " <<
SDL_JoystickNumAxes(joystick) << " axes " <<
SDL_JoystickNumButtons(joystick) << " buttons " << std::endl;
SDL_JoystickClose(joystick);
}
}
}
current_joystick_number = (int) input_joystick->value();
if ((current_joystick_number < 1) || (current_joystick_number > nbjoysticks)) {
current_joystick_number = 0;
}
(*input_joystick) = (float) current_joystick_number;
if (current_joystick_number) {
current_joystick = SDL_JoystickOpen(current_joystick_number - 1);
}
if (current_joystick) {
con_debug << " using joystick " << SDL_JoystickName(current_joystick_number - 1) << std::endl;
SDL_JoystickEventState(SDL_ENABLE);
}
}
bool Joystick::is_enabled()
{
return (current_joystick != 0);
}
void Joystick::frame()
{
if (current_joystick_number != (int) input_joystick->value()) {
if (current_joystick) {
SDL_JoystickEventState(SDL_IGNORE);
SDL_JoystickClose(current_joystick);
current_joystick = 0;
}
current_joystick_number = (int) input_joystick->value();
if ((current_joystick_number < 1) || (current_joystick_number > SDL_NumJoysticks())) {
current_joystick_number = 0;
}
(*input_joystick) = (float) current_joystick_number;
if (current_joystick_number) {
current_joystick = SDL_JoystickOpen(current_joystick_number - 1);
}
if (current_joystick) {
con_debug << " using joystick " << SDL_JoystickName(current_joystick_number - 1) << std::endl;
SDL_JoystickEventState(SDL_ENABLE);
}
}
}
}
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