mirror of https://github.com/PCSX2/pcsx2.git
368 lines
10 KiB
C++
368 lines
10 KiB
C++
/* OnePAD - author: arcum42(@gmail.com)
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* Copyright (C) 2009
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*
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* Based on ZeroPAD, author zerofrog@gmail.com
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* Copyright (C) 2006-2007
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include "joystick.h"
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//////////////////////////
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// Joystick definitions //
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//////////////////////////
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vector<JoystickInfo*> s_vjoysticks;
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static u32 s_bSDLInit = false;
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void UpdateJoysticks()
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{
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vector<JoystickInfo*>::iterator itjoy = s_vjoysticks.begin();
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SDL_JoystickUpdate();
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// Save everything in the vector s_vjoysticks.
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while (itjoy != s_vjoysticks.end())
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{
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(*itjoy)->SaveState();
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itjoy++;
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}
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}
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const char *HatName(int value)
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{
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switch(value)
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{
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case SDL_HAT_CENTERED: return "SDL_HAT_CENTERED";
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case SDL_HAT_UP: return "SDL_HAT_UP";
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case SDL_HAT_RIGHT: return "SDL_HAT_RIGHT";
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case SDL_HAT_DOWN: return "SDL_HAT_DOWN";
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case SDL_HAT_LEFT: return "SDL_HAT_LEFT";
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case SDL_HAT_RIGHTUP: return "SDL_HAT_RIGHTUP";
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case SDL_HAT_RIGHTDOWN: return "SDL_HAT_RIGHTDOWN";
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case SDL_HAT_LEFTUP: return "SDL_HAT_LEFTUP";
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case SDL_HAT_LEFTDOWN: return "SDL_HAT_LEFTDOWN";
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default: return "Unknown";
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}
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return "Unknown";
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}
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bool JoystickIdWithinBounds(int joyid)
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{
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return ((joyid >= 0) && (joyid < (int)s_vjoysticks.size()));
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}
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// opens handles to all possible joysticks
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void JoystickInfo::EnumerateJoysticks(vector<JoystickInfo*>& vjoysticks)
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{
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if (!s_bSDLInit)
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{
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#if SDL_VERSION_ATLEAST(1,3,0)
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// SDL in 3rdparty wrap X11 call. In order to get x11 symbols loaded
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// video must be loaded too.
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// Example of X11 symbol are XAutoRepeatOn/XAutoRepeatOff
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if (SDL_Init(SDL_INIT_JOYSTICK|SDL_INIT_VIDEO|SDL_INIT_HAPTIC) < 0) return;
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#else
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if (SDL_Init(SDL_INIT_JOYSTICK) < 0) return;
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#endif
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SDL_JoystickEventState(SDL_QUERY);
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s_bSDLInit = true;
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}
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vector<JoystickInfo*>::iterator it = vjoysticks.begin();
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// Delete everything in the vector vjoysticks.
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while (it != vjoysticks.end())
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{
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delete *it;
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it ++;
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}
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vjoysticks.resize(SDL_NumJoysticks());
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for (int i = 0; i < (int)vjoysticks.size(); ++i)
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{
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vjoysticks[i] = new JoystickInfo();
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vjoysticks[i]->Init(i);
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}
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}
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void JoystickInfo::InitHapticEffect()
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{
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#if SDL_VERSION_ATLEAST(1,3,0)
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if (haptic == NULL) return;
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#if 0
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additional field of the effect
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/* Trigger */
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Uint16 button; /**< Button that triggers the effect. */
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Uint16 interval; /**< How soon it can be triggered again after button. */
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// periodic parameter
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Sint16 offset; /**< Mean value of the wave. */
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Uint16 phase; /**< Horizontal shift given by hundredth of a cycle. */
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#endif
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/*******************************************************************/
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/* Effect small */
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/*******************************************************************/
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haptic_effect_data[0].type = SDL_HAPTIC_SQUARE;
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// Direction of the effect SDL_HapticDirection
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haptic_effect_data[0].periodic.direction.type = SDL_HAPTIC_POLAR; // Polar coordinates
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haptic_effect_data[0].periodic.direction.dir[0] = 18000; // Force comes from south
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// periodic parameter
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haptic_effect_data[0].periodic.period = 1000; // 1000 ms
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haptic_effect_data[0].periodic.magnitude = 2000; // 2000/32767 strength
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// Replay
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haptic_effect_data[0].periodic.length = 2000; // 2 seconds long
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haptic_effect_data[0].periodic.delay = 0; // start 0 second after the upload
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// enveloppe
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haptic_effect_data[0].periodic.attack_length = 500;// Takes 0.5 second to get max strength
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haptic_effect_data[0].periodic.attack_level = 0; // start at 0
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haptic_effect_data[0].periodic.fade_length = 500; // Takes 0.5 second to fade away
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haptic_effect_data[0].periodic.fade_level = 0; // finish at 0
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/*******************************************************************/
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/* Effect big */
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/*******************************************************************/
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haptic_effect_data[1].type = SDL_HAPTIC_TRIANGLE;
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// Direction of the effect SDL_HapticDirection
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haptic_effect_data[1].periodic.direction.type = SDL_HAPTIC_POLAR; // Polar coordinates
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haptic_effect_data[1].periodic.direction.dir[0] = 18000; // Force comes from south
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// periodic parameter
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haptic_effect_data[1].periodic.period = 1000; // 1000 ms
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haptic_effect_data[1].periodic.magnitude = 2000; // 2000/32767 strength
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// Replay
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haptic_effect_data[1].periodic.length = 2000; // 2 seconds long
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haptic_effect_data[1].periodic.delay = 0; // start 0 second after the upload
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// enveloppe
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haptic_effect_data[1].periodic.attack_length = 500;// Takes 0.5 second to get max strength
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haptic_effect_data[1].periodic.attack_level = 0; // start at 0
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haptic_effect_data[1].periodic.fade_length = 500; // Takes 0.5 second to fade away
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haptic_effect_data[1].periodic.fade_level = 0; // finish at 0
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/*******************************************************************/
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/* Upload effect to the device */
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/*******************************************************************/
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for (int i = 0 ; i < 2 ; i++)
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haptic_effect_id[i] = SDL_HapticNewEffect(haptic, &haptic_effect_data[i]);
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#endif
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}
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void JoystickInfo::DoHapticEffect(int type, int pad, int force)
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{
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if (type > 1) return;
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if ( !(conf->options & (PADOPTION_FORCEFEEDBACK << 16 * pad)) ) return;
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#if SDL_VERSION_ATLEAST(1,3,0)
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// first search the joy associated to the pad
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vector<JoystickInfo*>::iterator itjoy = s_vjoysticks.begin();
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while (itjoy != s_vjoysticks.end()) {
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if ((*itjoy)->GetPAD() == pad) break;
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itjoy++;
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}
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if (itjoy == s_vjoysticks.end()) return;
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if ((*itjoy)->haptic == NULL) return;
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if ((*itjoy)->haptic_effect_id[type] < 0) return;
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// FIXME: might need to multiply force
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(*itjoy)->haptic_effect_data[type].periodic.magnitude = force; // force/32767 strength
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// Upload the new effect
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SDL_HapticUpdateEffect((*itjoy)->haptic, (*itjoy)->haptic_effect_id[type], &(*itjoy)->haptic_effect_data[type]);
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// run the effect once
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SDL_HapticRunEffect( (*itjoy)->haptic, (*itjoy)->haptic_effect_id[type], 1 );
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#endif
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}
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void JoystickInfo::Destroy()
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{
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if (joy != NULL)
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{
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#if SDL_VERSION_ATLEAST(1,3,0)
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// Haptic must be closed before the joystick
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if (haptic != NULL) {
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SDL_HapticClose(haptic);
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haptic = NULL;
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}
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#endif
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if (SDL_JoystickOpened(_id)) SDL_JoystickClose(joy);
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joy = NULL;
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}
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}
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bool JoystickInfo::Init(int id)
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{
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Destroy();
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_id = id;
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joy = SDL_JoystickOpen(id);
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if (joy == NULL)
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{
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PAD_LOG("failed to open joystick %d\n", id);
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return false;
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}
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numaxes = SDL_JoystickNumAxes(joy);
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numbuttons = SDL_JoystickNumButtons(joy);
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numhats = SDL_JoystickNumHats(joy);
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devname = SDL_JoystickName(id);
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vaxisstate.resize(numaxes);
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vbuttonstate.resize(numbuttons);
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vhatstate.resize(numhats);
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#if SDL_VERSION_ATLEAST(1,3,0)
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if ( haptic == NULL ) {
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if (!SDL_JoystickIsHaptic(joy)) {
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PAD_LOG("Haptic devices not supported!\n");
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} else {
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haptic = SDL_HapticOpenFromJoystick(joy);
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// upload some default effect
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InitHapticEffect();
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}
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}
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#endif
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//PAD_LOG("There are %d buttons, %d axises, and %d hats.\n", numbuttons, numaxes, numhats);
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return true;
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}
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void JoystickInfo::SaveState()
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{
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for (int i = 0; i < numbuttons; ++i)
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SetButtonState(i, SDL_JoystickGetButton(joy, i));
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for (int i = 0; i < numaxes; ++i)
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SetAxisState(i, SDL_JoystickGetAxis(joy, i));
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for (int i = 0; i < numhats; ++i)
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SetHatState(i, SDL_JoystickGetHat(joy, i));
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}
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void JoystickInfo::TestForce()
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{
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}
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bool JoystickInfo::PollButtons(u32 &pkey)
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{
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// MAKE sure to look for changes in the state!!
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for (int i = 0; i < GetNumButtons(); ++i)
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{
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int but = SDL_JoystickGetButton(GetJoy(), i);
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if (but != GetButtonState(i))
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{
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if (!but) // released, we don't really want this
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{
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continue;
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}
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// Pressure sensitive button are detected as both button (digital) and axe (analog). So better
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// drop the button to emulate the pressure sensiblity of the ds2 :) -- Gregory
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for (int j = 0; j < GetNumAxes(); ++j) {
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int value = SDL_JoystickGetAxis(GetJoy(), j);
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int old_value = GetAxisState(j);
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bool full_axis = (old_value < -0x3FFF) ? true : false;
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if (value != old_value && ((full_axis && value > -0x6FFF ) || (!full_axis && abs(value) > old_value))) {
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return false;
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}
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}
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pkey = button_to_key(i);
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return true;
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}
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}
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return false;
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}
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bool JoystickInfo::PollAxes(u32 &pkey)
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{
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for (int i = 0; i < GetNumAxes(); ++i)
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{
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int value = SDL_JoystickGetAxis(GetJoy(), i);
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int old_value = GetAxisState(i);
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if (value != old_value)
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{
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PAD_LOG("Change in joystick %d: %d.\n", i, value);
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// There is several kinds of axes
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// Half+: 0 (release) -> 32768
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// Half-: 0 (release) -> -32768
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// Full (like dualshock 3): -32768 (release) ->32768
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bool full_axis = (old_value < -0x2FFF) ? true : false;
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if ((!full_axis && abs(value) <= 0x1FFF)
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|| (full_axis && value <= -0x6FFF)) // we don't want this
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{
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continue;
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}
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if ((!full_axis && abs(value) > 0x3FFF)
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|| (full_axis && value > -0x6FFF))
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{
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bool sign = (value < 0);
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pkey = axis_to_key(full_axis, sign, i);
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return true;
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}
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}
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}
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return false;
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}
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bool JoystickInfo::PollHats(u32 &pkey)
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{
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for (int i = 0; i < GetNumHats(); ++i)
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{
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int value = SDL_JoystickGetHat(GetJoy(), i);
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if ((value != GetHatState(i)) && (value != SDL_HAT_CENTERED))
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{
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switch (value)
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{
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case SDL_HAT_UP:
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case SDL_HAT_RIGHT:
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case SDL_HAT_DOWN:
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case SDL_HAT_LEFT:
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pkey = hat_to_key(value, i);
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PAD_LOG("Hat Pressed!");
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return true;
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default:
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break;
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}
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}
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}
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return false;
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}
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int JoystickInfo::GetAxisFromKey(int pad, int index)
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{
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return SDL_JoystickGetAxis(GetJoy(), key_to_axis(pad, index));
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}
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