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/* Mednafen - Multi-system Emulator
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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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* 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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* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#include "Joystick_XInput.h"
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struct XInputFuncPointers
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void WINAPI (*p_XInputEnable)(BOOL);
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DWORD WINAPI (*p_XInputSetState)(DWORD, XINPUT_VIBRATION*);
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DWORD WINAPI (*p_XInputGetState)(DWORD, XINPUT_STATE*);
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DWORD WINAPI (*p_XInputGetCapabilities)(DWORD, DWORD, XINPUT_CAPABILITIES*);
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class Joystick_XInput : public Joystick
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Joystick_XInput(unsigned index, const XINPUT_CAPABILITIES &caps_in, const XInputFuncPointers* xfps_in);
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virtual void SetRumble(uint8 weak_intensity, uint8 strong_intensity);
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virtual bool IsAxisButton(unsigned axis);
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void UpdateInternal(void);
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const unsigned joy_index;
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const XINPUT_CAPABILITIES caps;
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const XInputFuncPointers *xfps;
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Joystick_XInput::Joystick_XInput(unsigned index, const XINPUT_CAPABILITIES &caps_in, const XInputFuncPointers* xfps_in) : joy_index(index), caps(caps_in), xfps(xfps_in)
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num_buttons = sizeof(((XINPUT_GAMEPAD*)0)->wButtons) * 8;
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button_state.resize(num_buttons);
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axis_state.resize(num_axes);
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id = (caps.Type << 24) | (caps.SubType << 16); // Don't include the XInput index in the id, it'll just cause problems, especially when multiple different subtypes of controllers are connected. | (index << 8);
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snprintf(name, sizeof(name), "XInput Unknown Controller");
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if(caps.Type == XINPUT_DEVTYPE_GAMEPAD)
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case XINPUT_DEVSUBTYPE_GAMEPAD: snprintf(name, sizeof(name), "XInput Gamepad"); break;
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case XINPUT_DEVSUBTYPE_WHEEL: snprintf(name, sizeof(name), "XInput Wheel"); break;
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case XINPUT_DEVSUBTYPE_ARCADE_STICK: snprintf(name, sizeof(name), "XInput Arcade Stick"); break;
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#ifdef XINPUT_DEVSUBTYPE_FLIGHT_STICK
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case XINPUT_DEVSUBTYPE_FLIGHT_STICK: snprintf(name, sizeof(name), "XInput Flight Stick"); break;
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case XINPUT_DEVSUBTYPE_DANCE_PAD: snprintf(name, sizeof(name), "XInput Dance Pad"); break;
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#ifdef XINPUT_DEVSUBTYPE_GUITAR_ALTERNATE
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case XINPUT_DEVSUBTYPE_GUITAR_ALTERNATE:
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#ifdef XINPUT_DEVSUBTYPE_GUITAR_BASS
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case XINPUT_DEVSUBTYPE_GUITAR_BASS:
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case XINPUT_DEVSUBTYPE_GUITAR: snprintf(name, sizeof(name), "XInput Guitar"); break;
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case XINPUT_DEVSUBTYPE_DRUM_KIT: snprintf(name, sizeof(name), "XInput Drum Kit"); break;
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#ifdef XINPUT_DEVSUBTYPE_ARCADE_PAD
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case XINPUT_DEVSUBTYPE_ARCADE_PAD: snprintf(name, sizeof(name), "XInput Arcade Pad"); break;
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Joystick_XInput::~Joystick_XInput()
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bool Joystick_XInput::IsAxisButton(unsigned axis)
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void Joystick_XInput::UpdateInternal(void)
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XINPUT_STATE joy_state;
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memset(&joy_state, 0, sizeof(XINPUT_STATE));
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xfps->p_XInputGetState(joy_index, &joy_state);
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for(unsigned b = 0; b < num_buttons; b++)
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button_state[b] = (joy_state.Gamepad.wButtons >> b) & 1;
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axis_state[0] = std::max<int>(-32767, joy_state.Gamepad.sThumbLX);
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axis_state[1] = std::max<int>(-32767, joy_state.Gamepad.sThumbLY);
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axis_state[2] = std::max<int>(-32767, joy_state.Gamepad.sThumbRX);
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axis_state[3] = std::max<int>(-32767, joy_state.Gamepad.sThumbRY);
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axis_state[4] = (((unsigned)joy_state.Gamepad.bLeftTrigger * 32767) + 127) / 255;
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axis_state[5] = (((unsigned)joy_state.Gamepad.bRightTrigger * 32767) + 127) / 255;
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void Joystick_XInput::SetRumble(uint8 weak_intensity, uint8 strong_intensity)
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XINPUT_VIBRATION vib;
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memset(&vib, 0, sizeof(XINPUT_VIBRATION));
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vib.wLeftMotorSpeed = (((unsigned int)strong_intensity * 65535) + 127) / 255;
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vib.wRightMotorSpeed = (((unsigned int)weak_intensity * 65535) + 127) / 255;
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xfps->p_XInputSetState(joy_index, &vib);
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class JoystickDriver_XInput : public JoystickDriver
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JoystickDriver_XInput();
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virtual ~JoystickDriver_XInput();
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virtual unsigned NumJoysticks(); // Cached internally on JoystickDriver instantiation.
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virtual Joystick *GetJoystick(unsigned index);
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virtual void UpdateJoysticks(void);
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Joystick_XInput *joys[XUSER_MAX_COUNT];
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XInputFuncPointers xfps;
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bool GetXIPA(HMODULE dll_handle, T& pf, const char *name)
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pf = (T)GetProcAddress(dll_handle, name);
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JoystickDriver_XInput::JoystickDriver_XInput() : joy_count(0), dll_handle(NULL)
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if((dll_handle = LoadLibrary("xinput1_3.dll")) == NULL)
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if((dll_handle = LoadLibrary("xinput1_4.dll")) == NULL)
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if((dll_handle = LoadLibrary("xinput9_1_0.dll")) == NULL)
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// 9.1.0 supposedly lacks XInputEnable()
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xfps.p_XInputEnable = NULL;
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GetXIPA(dll_handle, xfps.p_XInputEnable, "XInputEnable");
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if(!GetXIPA(dll_handle, xfps.p_XInputSetState, "XInputSetState") ||
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!GetXIPA(dll_handle, xfps.p_XInputGetState, "XInputGetState") ||
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!GetXIPA(dll_handle, xfps.p_XInputGetCapabilities, "XInputGetCapabilities"))
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FreeLibrary(dll_handle);
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if(xfps.p_XInputEnable)
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xfps.p_XInputEnable(TRUE);
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for(unsigned i = 0; i < XUSER_MAX_COUNT; i++)
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XINPUT_CAPABILITIES caps;
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if(xfps.p_XInputGetCapabilities(i, XINPUT_FLAG_GAMEPAD, &caps) == ERROR_SUCCESS)
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joys[joy_count] = new Joystick_XInput(i, caps, &xfps);
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joy_count++; // joys[joy_count++] would not be exception-safe.
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catch(std::exception &e)
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MDFND_PrintError(e.what());
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JoystickDriver_XInput::~JoystickDriver_XInput()
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if(xfps.p_XInputEnable)
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xfps.p_XInputEnable(FALSE);
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for(unsigned i = 0; i < joy_count; i++)
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if(dll_handle != NULL)
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FreeLibrary(dll_handle);
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unsigned JoystickDriver_XInput::NumJoysticks(void)
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Joystick *JoystickDriver_XInput::GetJoystick(unsigned index)
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void JoystickDriver_XInput::UpdateJoysticks(void)
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for(unsigned i = 0; i < joy_count; i++)
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joys[i]->UpdateInternal();
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JoystickDriver *JoystickDriver_XInput_New(void)
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JoystickDriver_XInput* jdxi = new JoystickDriver_XInput();
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if(!jdxi->NumJoysticks())
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removed
src/drivers/Joystick_XInput.cpp
