mirror of
https://github.com/AquariaOSE/Aquaria.git
synced 2024-11-25 17:53:47 +00:00
381 lines
8.2 KiB
C++
381 lines
8.2 KiB
C++
/*
|
|
Copyright (C) 2007, 2010 - Bit-Blot
|
|
|
|
This file is part of Aquaria.
|
|
|
|
Aquaria is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU General Public License
|
|
as published by the Free Software Foundation; either version 2
|
|
of the License, or (at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
|
|
|
|
See the GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program; if not, write to the Free Software
|
|
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
|
*/
|
|
|
|
#include "Joystick.h"
|
|
#include "Core.h"
|
|
#include <SDL.h>
|
|
|
|
unsigned Joystick::GetNumJoysticks()
|
|
{
|
|
return SDL_NumJoysticks();
|
|
}
|
|
|
|
Joystick::Joystick()
|
|
{
|
|
stickIndex = -1;
|
|
#if SDL_VERSION_ATLEAST(2,0,0)
|
|
sdl_controller = NULL;
|
|
sdl_haptic = NULL;
|
|
if(!SDL_WasInit(SDL_INIT_HAPTIC))
|
|
if(SDL_InitSubSystem(SDL_INIT_HAPTIC) < 0)
|
|
debugLog("Failed to init haptic subsystem");
|
|
#endif
|
|
sdl_joy = NULL;
|
|
buttonBitmask = 0;
|
|
deadZone1 = 0.3f;
|
|
deadZone2 = 0.3f;
|
|
|
|
clearRumbleTime= 0;
|
|
numJoyAxes = 0;
|
|
numHats = 0;
|
|
numButtons = 0;
|
|
clearAxes();
|
|
|
|
s1ax = 0;
|
|
s1ay = 1;
|
|
s2ax = 4;
|
|
s2ay = 3;
|
|
|
|
enabled = false;
|
|
}
|
|
|
|
Joystick::~Joystick()
|
|
{
|
|
shutdown();
|
|
|
|
#if SDL_VERSION_ATLEAST(2,0,0)
|
|
if(SDL_WasInit(SDL_INIT_HAPTIC))
|
|
SDL_QuitSubSystem(SDL_INIT_HAPTIC);
|
|
#endif
|
|
}
|
|
|
|
const char *Joystick::getName() const
|
|
{
|
|
return name.c_str();
|
|
}
|
|
|
|
const char *Joystick::getGUID() const
|
|
{
|
|
return guid.c_str();
|
|
}
|
|
|
|
bool Joystick::init(int stick)
|
|
{
|
|
stickIndex = stick;
|
|
numJoyAxes = 0;
|
|
|
|
#if SDL_VERSION_ATLEAST(2,0,0)
|
|
if (SDL_IsGameController(stick))
|
|
{
|
|
sdl_controller = SDL_GameControllerOpen(stick);
|
|
if (sdl_controller)
|
|
sdl_joy = SDL_GameControllerGetJoystick(sdl_controller);
|
|
}
|
|
if (!sdl_joy)
|
|
sdl_joy = SDL_JoystickOpen(stick);
|
|
if (sdl_joy && SDL_JoystickIsHaptic(sdl_joy))
|
|
{
|
|
sdl_haptic = SDL_HapticOpenFromJoystick(sdl_joy);
|
|
bool rumbleok = false;
|
|
if (sdl_haptic && SDL_HapticRumbleSupported(sdl_haptic))
|
|
rumbleok = (SDL_HapticRumbleInit(sdl_haptic) == 0);
|
|
if (!rumbleok)
|
|
{
|
|
SDL_HapticClose(sdl_haptic);
|
|
sdl_haptic = NULL;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
if (!sdl_joy)
|
|
sdl_joy = SDL_JoystickOpen(stick);
|
|
|
|
if (sdl_joy)
|
|
{
|
|
#if SDL_VERSION_ATLEAST(2,0,0)
|
|
const char *n = SDL_JoystickName(sdl_joy);
|
|
name = n ? n : "<?>";
|
|
SDL_JoystickGUID jg = SDL_JoystickGetGUID(sdl_joy);
|
|
char guidbuf[40];
|
|
SDL_JoystickGetGUIDString(jg, &guidbuf[0], sizeof(guidbuf));
|
|
guid = &guidbuf[0];
|
|
debugLog(std::string("Initialized Joystick [") + name + "], GUID [" + guid + "]");
|
|
if (sdl_controller)
|
|
{
|
|
debugLog("Joystick is a Game Controller");
|
|
numJoyAxes = SDL_CONTROLLER_AXIS_MAX;
|
|
}
|
|
if (sdl_haptic)
|
|
debugLog("Joystick has force feedback support");
|
|
instanceID = SDL_JoystickInstanceID(sdl_joy);
|
|
#else
|
|
const char *n = SDL_JoystickName(stick);
|
|
name = n ? n : "<?>";
|
|
debugLog(std::string("Initialized Joystick [") + name + "]");
|
|
instanceID = SDL_JoystickIndex(sdl_joy);
|
|
#endif
|
|
|
|
if(!numJoyAxes)
|
|
numJoyAxes = SDL_JoystickNumAxes(sdl_joy);
|
|
if(numJoyAxes > MAX_JOYSTICK_AXIS)
|
|
numJoyAxes = MAX_JOYSTICK_AXIS;
|
|
|
|
numHats = SDL_JoystickNumHats(sdl_joy);
|
|
numButtons = SDL_JoystickNumButtons(sdl_joy);
|
|
|
|
|
|
return true;
|
|
}
|
|
|
|
std::ostringstream os;
|
|
os << "Failed to init Joystick [" << stick << "]";
|
|
debugLog(os.str());
|
|
return false;
|
|
}
|
|
|
|
void Joystick::shutdown()
|
|
{
|
|
#if SDL_VERSION_ATLEAST(2,0,0)
|
|
if (sdl_haptic)
|
|
{
|
|
SDL_HapticClose(sdl_haptic);
|
|
sdl_haptic = 0;
|
|
}
|
|
if (sdl_controller)
|
|
{
|
|
SDL_GameControllerClose(sdl_controller);
|
|
sdl_controller = 0;
|
|
sdl_joy = 0; // SDL_GameControllerClose() frees this
|
|
}
|
|
#endif
|
|
if (sdl_joy)
|
|
{
|
|
SDL_JoystickClose(sdl_joy);
|
|
sdl_joy = 0;
|
|
}
|
|
|
|
numJoyAxes = 0;
|
|
clearAxes();
|
|
}
|
|
|
|
void Joystick::clearAxes()
|
|
{
|
|
memset(axisRaw, 0, sizeof(axisRaw));
|
|
}
|
|
|
|
void Joystick::rumble(float leftMotor, float rightMotor, float time)
|
|
{
|
|
if (core->joystickEnabled)
|
|
{
|
|
#if SDL_VERSION_ATLEAST(2,0,0)
|
|
if (sdl_haptic)
|
|
{
|
|
const float power = (leftMotor + rightMotor) / 2.0f;
|
|
if ((power > 0.0f) && (time > 0.0f))
|
|
{
|
|
clearRumbleTime = time;
|
|
SDL_HapticRumblePlay(sdl_haptic, power, (Uint32) (time * 1000.0f));
|
|
}
|
|
else
|
|
{
|
|
clearRumbleTime = -1;
|
|
SDL_HapticRumbleStop(sdl_haptic);
|
|
}
|
|
}
|
|
#endif
|
|
}
|
|
}
|
|
|
|
void Joystick::calibrate(Vector &calvec, float deadZone)
|
|
{
|
|
if (calvec.isLength2DIn(deadZone))
|
|
{
|
|
calvec = Vector(0,0,0);
|
|
}
|
|
else
|
|
{
|
|
if (!calvec.isZero())
|
|
{
|
|
Vector pos2 = calvec;
|
|
pos2.setLength2D(deadZone);
|
|
calvec -= pos2;
|
|
float mult = 1.0f/float(1.0f-deadZone);
|
|
calvec.x *= mult;
|
|
calvec.y *= mult;
|
|
if (calvec.x > 1)
|
|
calvec.x = 1;
|
|
else if (calvec.x < -1)
|
|
calvec.x = -1;
|
|
|
|
if (calvec.y > 1)
|
|
calvec.y = 1;
|
|
else if (calvec.y < -1)
|
|
calvec.y = -1;
|
|
}
|
|
}
|
|
}
|
|
|
|
void Joystick::update(float dt)
|
|
{
|
|
if (core->joystickEnabled && sdl_joy && stickIndex != -1)
|
|
{
|
|
#if SDL_VERSION_ATLEAST(2,0,0)
|
|
if (!SDL_JoystickGetAttached(sdl_joy))
|
|
{
|
|
debugLog("Lost Joystick");
|
|
shutdown();
|
|
return;
|
|
}
|
|
if (sdl_controller)
|
|
{
|
|
for(unsigned i = 0; i < numJoyAxes; ++i)
|
|
{
|
|
Sint16 ax = SDL_GameControllerGetAxis(sdl_controller, (SDL_GameControllerAxis)i);
|
|
axisRaw[i] = float(ax)/32768.0f;
|
|
}
|
|
|
|
position.x = axisRaw[SDL_CONTROLLER_AXIS_LEFTX];
|
|
position.y = axisRaw[SDL_CONTROLLER_AXIS_LEFTY];
|
|
rightStick.x = axisRaw[SDL_CONTROLLER_AXIS_RIGHTX];
|
|
rightStick.y = axisRaw[SDL_CONTROLLER_AXIS_RIGHTY];
|
|
}
|
|
else
|
|
#else
|
|
if (!SDL_JoystickOpened(stickIndex))
|
|
{
|
|
debugLog("Lost Joystick");
|
|
sdl_joy = NULL;
|
|
return;
|
|
}
|
|
#endif
|
|
// Note: this connects with the else above when the SDL2 path is compiled!
|
|
{
|
|
for(unsigned i = 0; i < numJoyAxes; ++i)
|
|
{
|
|
Sint16 ax = SDL_JoystickGetAxis(sdl_joy, i);
|
|
axisRaw[i] = float(ax)/32768.0f;
|
|
}
|
|
position.x = s1ax >= 0 ? axisRaw[s1ax] : 0.0f;
|
|
position.y = s1ay >= 0 ? axisRaw[s1ay] : 0.0f;
|
|
rightStick.x = s2ax >= 0 ? axisRaw[s2ax] : 0.0f;
|
|
rightStick.y = s2ay >= 0 ? axisRaw[s2ay] : 0.0f;
|
|
}
|
|
|
|
calibrate(position, deadZone1);
|
|
calibrate(rightStick, deadZone2);
|
|
|
|
buttonBitmask = 0;
|
|
|
|
#if SDL_VERSION_ATLEAST(2,0,0)
|
|
if (sdl_controller)
|
|
{
|
|
for (unsigned i = 0; i < SDL_CONTROLLER_BUTTON_MAX; i++)
|
|
buttonBitmask |= !!SDL_GameControllerGetButton(sdl_controller, (SDL_GameControllerButton)i) << i;
|
|
}
|
|
else
|
|
#endif
|
|
{
|
|
for (unsigned i = 0; i < numButtons; i++)
|
|
buttonBitmask |= !!SDL_JoystickGetButton(sdl_joy, i) << i;
|
|
|
|
//for (unsigned i = 0; i < numHats; i++)
|
|
}
|
|
}
|
|
|
|
if (clearRumbleTime >= 0)
|
|
{
|
|
clearRumbleTime -= dt;
|
|
if (clearRumbleTime <= 0)
|
|
{
|
|
rumble(0,0,0);
|
|
}
|
|
}
|
|
}
|
|
|
|
bool Joystick::anyButton() const
|
|
{
|
|
return !!buttonBitmask;;
|
|
}
|
|
|
|
unsigned Joystick::getNumAxes() const
|
|
{
|
|
#if SDL_VERSION_ATLEAST(2,0,0)
|
|
return sdl_controller ? SDL_CONTROLLER_AXIS_MAX : numJoyAxes;
|
|
#else
|
|
return numJoyAxes;
|
|
#endif
|
|
}
|
|
|
|
unsigned Joystick::getNumButtons() const
|
|
{
|
|
return numButtons;
|
|
}
|
|
|
|
unsigned Joystick::getNumHats() const
|
|
{
|
|
return numHats;
|
|
}
|
|
|
|
float Joystick::getAxisUncalibrated(unsigned id) const
|
|
{
|
|
return id < MAX_JOYSTICK_AXIS ? axisRaw[id] : 0.0f;
|
|
}
|
|
|
|
JoyHatDirection Joystick::getHat(unsigned id) const
|
|
{
|
|
unsigned dir = SDL_JoystickGetHat(sdl_joy, id);
|
|
unsigned ret = JOY_HAT_DIR_CENTERED;
|
|
switch(dir)
|
|
{
|
|
case SDL_HAT_UP: ret = JOY_HAT_DIR_UP; break;
|
|
case SDL_HAT_DOWN: ret = JOY_HAT_DIR_DOWN; break;
|
|
case SDL_HAT_LEFT: ret = JOY_HAT_DIR_LEFT; break;
|
|
case SDL_HAT_RIGHT: ret = JOY_HAT_DIR_RIGHT; break;
|
|
|
|
case SDL_HAT_LEFTUP: ret = JOY_HAT_DIR_UP | JOY_HAT_DIR_LEFT; break;
|
|
case SDL_HAT_RIGHTUP: ret = JOY_HAT_DIR_UP | JOY_HAT_DIR_RIGHT; break;
|
|
case SDL_HAT_LEFTDOWN: ret = JOY_HAT_DIR_DOWN | JOY_HAT_DIR_LEFT; break;
|
|
case SDL_HAT_RIGHTDOWN: ret = JOY_HAT_DIR_DOWN | JOY_HAT_DIR_RIGHT; break;
|
|
|
|
default: ;
|
|
}
|
|
return (JoyHatDirection)ret;
|
|
}
|
|
|
|
const char *Joystick::getAxisName(unsigned axis) const
|
|
{
|
|
if(axis >= numJoyAxes)
|
|
return NULL;
|
|
#if SDL_VERSION_ATLEAST(2,0,0)
|
|
if(sdl_controller)
|
|
return SDL_GameControllerGetStringForAxis((SDL_GameControllerAxis)axis);
|
|
#endif
|
|
return NULL;
|
|
}
|
|
|
|
const char *Joystick::getButtonName(unsigned btn) const
|
|
{
|
|
#if SDL_VERSION_ATLEAST(2,0,0)
|
|
if(sdl_controller)
|
|
return SDL_GameControllerGetStringForButton((SDL_GameControllerButton)btn);
|
|
#endif
|
|
return NULL;
|
|
}
|