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RetroArch/input/xdk_xinput_input_joypad.c

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/* RetroArch - A frontend for libretro.
* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
* Copyright (C) 2011-2014 - Daniel De Matteis
*
* RetroArch 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 Found-
* ation, either version 3 of the License, or (at your option) any later version.
*
* RetroArch 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 RetroArch.
* If not, see <http://www.gnu.org/licenses/>.
*/
#include "input_autodetect.h"
static uint64_t pad_state[MAX_PADS];
static int16_t analog_state[MAX_PADS][2][2];
#ifdef _XBOX1
static HANDLE gamepads[MAX_PADS];
static DWORD dwDeviceMask;
static bool bInserted[MAX_PADS];
static bool bRemoved[MAX_PADS];
#endif
static const char* const XBOX_CONTROLLER_NAMES[4] =
{
"XInput Controller (Player 1)",
"XInput Controller (Player 2)",
"XInput Controller (Player 3)",
"XInput Controller (Player 4)"
};
static const char *xdk_joypad_name(unsigned pad)
{
return g_settings.input.device_names[pad];
}
static bool xdk_joypad_init(void)
{
unsigned autoconf_pad;
#ifdef _XBOX1
XInitDevices(0, NULL);
dwDeviceMask = XGetDevices(XDEVICE_TYPE_GAMEPAD);
/* Check the device status. */
switch(XGetDeviceEnumerationStatus())
{
case XDEVICE_ENUMERATION_IDLE:
RARCH_LOG("Input state status: XDEVICE_ENUMERATION_IDLE\n");
break;
case XDEVICE_ENUMERATION_BUSY:
RARCH_LOG("Input state status: XDEVICE_ENUMERATION_BUSY\n");
break;
}
while(XGetDeviceEnumerationStatus() == XDEVICE_ENUMERATION_BUSY) {}
#endif
for (autoconf_pad = 0; autoconf_pad < MAX_PLAYERS; autoconf_pad++)
{
strlcpy(g_settings.input.device_names[autoconf_pad],
"XInput Controller",
sizeof(g_settings.input.device_names[autoconf_pad]));
/* TODO - implement VID/PID? */
input_config_autoconfigure_joypad(autoconf_pad,
xdk_joypad_name(autoconf_pad),
0, 0,
xdk_joypad.ident);
}
return true;
}
static bool xdk_joypad_button(unsigned port, uint16_t joykey)
{
if (port >= MAX_PADS)
return false;
return pad_state[port] & (1ULL << joykey);
}
static int16_t xdk_joypad_axis(unsigned port, uint32_t joyaxis)
{
int val = 0, axis = -1;
bool is_neg = false, is_pos = false;
if (joyaxis == AXIS_NONE || port >= MAX_PADS)
return 0;
if (AXIS_NEG_GET(joyaxis) < 4)
{
axis = AXIS_NEG_GET(joyaxis);
is_neg = true;
}
else if (AXIS_POS_GET(joyaxis) < 4)
{
axis = AXIS_POS_GET(joyaxis);
is_pos = true;
}
switch (axis)
{
case 0:
val = analog_state[port][0][0];
break;
case 1:
val = analog_state[port][0][1];
break;
case 2:
val = analog_state[port][1][0];
break;
case 3:
val = analog_state[port][1][1];
break;
}
if (is_neg && val > 0)
val = 0;
else if (is_pos && val < 0)
val = 0;
return val;
}
static void xdk_joypad_poll(void)
{
uint64_t *state_p1, *lifecycle_state;
unsigned port;
#if defined(_XBOX1)
unsigned int dwInsertions, dwRemovals;
XGetDeviceChanges(XDEVICE_TYPE_GAMEPAD,
reinterpret_cast<PDWORD>(&dwInsertions),
reinterpret_cast<PDWORD>(&dwRemovals));
#endif
for (port = 0; port < MAX_PADS; port++)
{
#ifdef _XBOX1
XINPUT_CAPABILITIES caps[MAX_PADS];
(void)caps;
/* handle removed devices. */
bRemoved[port] = (dwRemovals & (1 << port)) ? true : false;
if(bRemoved[port])
{
/* if the controller was removed after
* XGetDeviceChanges but before
* XInputOpen, the device handle will be NULL. */
if(gamepads[port])
XInputClose(gamepads[port]);
gamepads[port] = 0;
pad_state[port] = 0;
}
/* handle inserted devices. */
bInserted[port] = (dwInsertions & (1 << port)) ? true : false;
if(bInserted[port])
{
XINPUT_POLLING_PARAMETERS m_pollingParameters;
m_pollingParameters.fAutoPoll = FALSE;
m_pollingParameters.fInterruptOut = TRUE;
m_pollingParameters.bInputInterval = 8;
m_pollingParameters.bOutputInterval = 8;
gamepads[port] = XInputOpen(XDEVICE_TYPE_GAMEPAD, port,
XDEVICE_NO_SLOT, NULL);
}
if (!gamepads[port])
continue;
/* if the controller is removed after
* XGetDeviceChanges but before XInputOpen,
* the device handle will be NULL. */
#endif
XINPUT_STATE state_tmp;
#if defined(_XBOX1)
if (XInputPoll(gamepads[port]) != ERROR_SUCCESS)
continue;
if (XInputGetState(gamepads[port], &state_tmp) != ERROR_SUCCESS)
continue;
#elif defined(_XBOX360)
if (XInputGetState(port, &state_tmp) == ERROR_DEVICE_NOT_CONNECTED)
continue;
#endif
uint64_t *state_cur = &pad_state[port];
*state_cur = 0;
*state_cur |= ((state_tmp.Gamepad.wButtons & XINPUT_GAMEPAD_DPAD_LEFT) ? (1ULL << RETRO_DEVICE_ID_JOYPAD_LEFT) : 0);
*state_cur |= ((state_tmp.Gamepad.wButtons & XINPUT_GAMEPAD_DPAD_RIGHT) ? (1ULL << RETRO_DEVICE_ID_JOYPAD_RIGHT) : 0);
*state_cur |= ((state_tmp.Gamepad.wButtons & XINPUT_GAMEPAD_DPAD_UP) ? (1ULL << RETRO_DEVICE_ID_JOYPAD_UP) : 0);
*state_cur |= ((state_tmp.Gamepad.wButtons & XINPUT_GAMEPAD_DPAD_DOWN) ? (1ULL << RETRO_DEVICE_ID_JOYPAD_DOWN) : 0);
*state_cur |= ((state_tmp.Gamepad.wButtons & XINPUT_GAMEPAD_START) ? (1ULL << RETRO_DEVICE_ID_JOYPAD_START) : 0);
*state_cur |= ((state_tmp.Gamepad.wButtons & XINPUT_GAMEPAD_BACK) ? (1ULL << RETRO_DEVICE_ID_JOYPAD_SELECT) : 0);
#if defined(_XBOX1)
*state_cur |= ((state_tmp.Gamepad.bAnalogButtons[XINPUT_GAMEPAD_B]) ? (1ULL << RETRO_DEVICE_ID_JOYPAD_A) : 0);
*state_cur |= ((state_tmp.Gamepad.bAnalogButtons[XINPUT_GAMEPAD_A]) ? (1ULL << RETRO_DEVICE_ID_JOYPAD_B) : 0);
*state_cur |= ((state_tmp.Gamepad.bAnalogButtons[XINPUT_GAMEPAD_Y]) ? (1ULL << RETRO_DEVICE_ID_JOYPAD_X) : 0);
*state_cur |= ((state_tmp.Gamepad.bAnalogButtons[XINPUT_GAMEPAD_X]) ? (1ULL << RETRO_DEVICE_ID_JOYPAD_Y) : 0);
*state_cur |= ((state_tmp.Gamepad.bAnalogButtons[XINPUT_GAMEPAD_LEFT_TRIGGER]) ? (1ULL << RETRO_DEVICE_ID_JOYPAD_L) : 0);
*state_cur |= ((state_tmp.Gamepad.bAnalogButtons[XINPUT_GAMEPAD_RIGHT_TRIGGER]) ? (1ULL << RETRO_DEVICE_ID_JOYPAD_R) : 0);
*state_cur |= ((state_tmp.Gamepad.bAnalogButtons[XINPUT_GAMEPAD_WHITE]) ? (1ULL << RETRO_DEVICE_ID_JOYPAD_L2) : 0);
*state_cur |= ((state_tmp.Gamepad.bAnalogButtons[XINPUT_GAMEPAD_BLACK]) ? (1ULL << RETRO_DEVICE_ID_JOYPAD_R2) : 0);
#elif defined(_XBOX360)
*state_cur |= ((state_tmp.Gamepad.wButtons & XINPUT_GAMEPAD_B) ? (1ULL << RETRO_DEVICE_ID_JOYPAD_A) : 0);
*state_cur |= ((state_tmp.Gamepad.wButtons & XINPUT_GAMEPAD_A) ? (1ULL << RETRO_DEVICE_ID_JOYPAD_B) : 0);
*state_cur |= ((state_tmp.Gamepad.wButtons & XINPUT_GAMEPAD_Y) ? (1ULL << RETRO_DEVICE_ID_JOYPAD_X) : 0);
*state_cur |= ((state_tmp.Gamepad.wButtons & XINPUT_GAMEPAD_X) ? (1ULL << RETRO_DEVICE_ID_JOYPAD_Y) : 0);
*state_cur |= ((state_tmp.Gamepad.bLeftTrigger > 128) ? (1ULL << RETRO_DEVICE_ID_JOYPAD_L) : 0);
*state_cur |= ((state_tmp.Gamepad.bRightTrigger > 128) ? (1ULL << RETRO_DEVICE_ID_JOYPAD_R) : 0);
*state_cur |= ((state_tmp.Gamepad.wButtons & XINPUT_GAMEPAD_LEFT_SHOULDER) ? (1ULL << RETRO_DEVICE_ID_JOYPAD_L2) : 0);
*state_cur |= ((state_tmp.Gamepad.wButtons & XINPUT_GAMEPAD_RIGHT_SHOULDER) ? (1ULL << RETRO_DEVICE_ID_JOYPAD_R2) : 0);
#endif
*state_cur |= ((state_tmp.Gamepad.wButtons & XINPUT_GAMEPAD_LEFT_THUMB) ? (1ULL << RETRO_DEVICE_ID_JOYPAD_L3) : 0);
*state_cur |= ((state_tmp.Gamepad.wButtons & XINPUT_GAMEPAD_RIGHT_THUMB) ? (1ULL << RETRO_DEVICE_ID_JOYPAD_R3) : 0);
analog_state[port][RETRO_DEVICE_INDEX_ANALOG_LEFT][RETRO_DEVICE_ID_ANALOG_X] = state_tmp.Gamepad.sThumbLX;
analog_state[port][RETRO_DEVICE_INDEX_ANALOG_LEFT][RETRO_DEVICE_ID_ANALOG_Y] = state_tmp.Gamepad.sThumbLY;
analog_state[port][RETRO_DEVICE_INDEX_ANALOG_RIGHT][RETRO_DEVICE_ID_ANALOG_X] = state_tmp.Gamepad.sThumbRX;
analog_state[port][RETRO_DEVICE_INDEX_ANALOG_RIGHT][RETRO_DEVICE_ID_ANALOG_Y] = state_tmp.Gamepad.sThumbRY;
for (int i = 0; i < 2; i++)
for (int j = 0; j < 2; j++)
if (analog_state[port][i][j] == -0x8000)
analog_state[port][i][j] = -0x7fff;
}
state_p1 = &pad_state[0];
lifecycle_state = &g_extern.lifecycle_state;
*lifecycle_state &= ~((1ULL << RARCH_MENU_TOGGLE));
if((*state_p1 & (1ULL << RETRO_DEVICE_ID_JOYPAD_L3)) && (*state_p1 & (1ULL << RETRO_DEVICE_ID_JOYPAD_R3)))
*lifecycle_state |= (1ULL << RARCH_MENU_TOGGLE);
}
static bool xdk_joypad_query_pad(unsigned pad)
{
return pad < MAX_PLAYERS && pad_state[pad];
}
static void xdk_joypad_destroy(void)
{
}
rarch_joypad_driver_t xdk_joypad = {
xdk_joypad_init,
xdk_joypad_query_pad,
xdk_joypad_destroy,
xdk_joypad_button,
xdk_joypad_axis,
xdk_joypad_poll,
NULL,
xdk_joypad_name,
"xdk",
};
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