diff --git a/input/winxinput_joypad.c b/input/winxinput_joypad.c index 0917513fb2..cd36ffb31c 100644 --- a/input/winxinput_joypad.c +++ b/input/winxinput_joypad.c @@ -1,418 +1,418 @@ -/* RetroArch - A frontend for libretro. - * Copyright (C) 2013 - pinumbernumber - * - * 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 . - */ - -// Support 360 controllers on Windows. -// Said controllers do show under DInput but they have limitations in this mode; -// The triggers are combined rather than seperate and it is not possible to use -// the guide button. - -// Some wrappers for other controllers also simulate xinput (as it is easier to implement) -// so this may be useful for those also. -#include "input_common.h" - -#include "../general.h" -#include "../boolean.h" - -#include -#include -#include - -// Check the definitions do not already exist. -// Official and mingw xinput headers have different include guards -#if ((!_XINPUT_H_) && (!__WINE_XINPUT_H)) - -#define XINPUT_GAMEPAD_DPAD_UP 0x0001 -#define XINPUT_GAMEPAD_DPAD_DOWN 0x0002 -#define XINPUT_GAMEPAD_DPAD_LEFT 0x0004 -#define XINPUT_GAMEPAD_DPAD_RIGHT 0x0008 -#define XINPUT_GAMEPAD_START 0x0010 -#define XINPUT_GAMEPAD_BACK 0x0020 -#define XINPUT_GAMEPAD_LEFT_THUMB 0x0040 -#define XINPUT_GAMEPAD_RIGHT_THUMB 0x0080 -#define XINPUT_GAMEPAD_LEFT_SHOULDER 0x0100 -#define XINPUT_GAMEPAD_RIGHT_SHOULDER 0x0200 -#define XINPUT_GAMEPAD_A 0x1000 -#define XINPUT_GAMEPAD_B 0x2000 -#define XINPUT_GAMEPAD_X 0x4000 -#define XINPUT_GAMEPAD_Y 0x8000 - -typedef struct -{ - uint16_t wButtons; - uint8_t bLeftTrigger; - uint8_t bRightTrigger; - int16_t sThumbLX; - int16_t sThumbLY; - int16_t sThumbRX; - int16_t sThumbRY; -} XINPUT_GAMEPAD; - -typedef struct -{ - uint32_t dwPacketNumber; - XINPUT_GAMEPAD Gamepad; -} XINPUT_STATE; - -typedef struct -{ - uint16_t wLeftMotorSpeed; - uint16_t wRightMotorSpeed; -} XINPUT_VIBRATION; - -#endif - -// Guide constant is not officially documented -#define XINPUT_GAMEPAD_GUIDE 0x0400 - -#ifndef ERROR_DEVICE_NOT_CONNECTED -#define ERROR_DEVICE_NOT_CONNECTED 1167 -#endif - -#ifndef HAVE_DINPUT -#error Cannot compile xinput without dinput. -#endif - -// Due to 360 pads showing up under both XI and DI, and since we are going -// to have to pass through unhandled joypad numbers to DI, a slightly ugly -// hack is required here. dinput_joypad_init will fill this. -// For each pad index, the appropriate entry will be set to -1 if it is not -// a 360 pad, or the correct XInput player number (0..3 inclusive) if it is. -extern int g_xinput_pad_indexes[MAX_PLAYERS]; -extern bool g_xinput_block_pads; - -// For xinput1_3.dll -static HINSTANCE g_winxinput_dll; - -// Function pointer, to be assigned with GetProcAddress -typedef uint32_t (__stdcall *XInputGetStateEx_t)(uint32_t, XINPUT_STATE*); -static XInputGetStateEx_t g_XInputGetStateEx; - -typedef uint32_t (__stdcall *XInputSetState_t)(uint32_t, XINPUT_VIBRATION*); -static XInputSetState_t g_XInputSetState; - -// Guide button may or may not be available -static bool g_winxinput_guide_button_supported; - -typedef struct -{ - XINPUT_STATE xstate; - bool connected; -} winxinput_joypad_state; - -static XINPUT_VIBRATION g_xinput_rumble_states[4]; - -static winxinput_joypad_state g_winxinput_states[4]; - -static inline int pad_index_to_xplayer_index(unsigned pad) -{ - return g_xinput_pad_indexes[pad]; -} - -// Generic "XInput" instead of "Xbox 360", because there are -// some other non-xbox third party PC controllers. -static const char* const XBOX_CONTROLLER_NAMES[4] = -{ - "XInput Controller (Player 1)", - "XInput Controller (Player 2)", - "XInput Controller (Player 3)", - "XInput Controller (Player 4)" -}; - -const char* winxinput_joypad_name (unsigned pad) -{ - int xplayer = pad_index_to_xplayer_index(pad); - - if (xplayer < 0) - return dinput_joypad.name(pad); - else - // TODO: Different name if disconnected? - return XBOX_CONTROLLER_NAMES[xplayer]; -} - - - -static bool winxinput_joypad_init(void) -{ - g_winxinput_dll = NULL; - - // Find the correct path to load the DLL from. - // Usually this will be from the system directory, - // but occasionally a user may wish to use a third-party - // wrapper DLL (such as x360ce); support these by checking - // the working directory first. - - // No need to check for existance as we will be checking LoadLibrary's - // success anyway. - - const char *version = "1.4"; - g_winxinput_dll = LoadLibrary("xinput1_4.dll"); // Using dylib_* complicates building joyconfig. - if (!g_winxinput_dll) - { - g_winxinput_dll = LoadLibrary("xinput1_3.dll"); - version = "1.3"; - } - - if (!g_winxinput_dll) - { - RARCH_ERR("Failed to load XInput, ensure DirectX and controller drivers are up to date.\n"); - return false; - } - - RARCH_LOG("Found XInput v%s.\n", version); - - // If we get here then an xinput DLL is correctly loaded. - // First try to load ordinal 100 (XInputGetStateEx). - g_XInputGetStateEx = (XInputGetStateEx_t) GetProcAddress(g_winxinput_dll, (const char*)100); - g_winxinput_guide_button_supported = true; - - if (!g_XInputGetStateEx) - { - // no ordinal 100. (Presumably a wrapper.) Load the ordinary - // XInputGetState, at the cost of losing guide button support. - g_winxinput_guide_button_supported = false; - g_XInputGetStateEx = (XInputGetStateEx_t) GetProcAddress(g_winxinput_dll, "XInputGetState"); - if (!g_XInputGetStateEx) - { - RARCH_ERR("Failed to init XInput: DLL is invalid or corrupt.\n"); - FreeLibrary(g_winxinput_dll); - return false; // DLL was loaded but did not contain the correct function. - } - RARCH_WARN("XInput: No guide button support.\n"); - } - - g_XInputSetState = (XInputSetState_t) GetProcAddress(g_winxinput_dll, "XInputSetState"); - if (!g_XInputSetState) - { - RARCH_ERR("Failed to init XInput: DLL is invalid or corrupt.\n"); - FreeLibrary(g_winxinput_dll); - return false; // DLL was loaded but did not contain the correct function. - } - - // Zero out the states - for (unsigned i = 0; i < 4; ++i) - memset(&g_winxinput_states[i], 0, sizeof(winxinput_joypad_state)); - - // Do a dummy poll to check which controllers are connected. - XINPUT_STATE dummy_state; - for (unsigned i = 0; i < 4; ++i) - { - g_winxinput_states[i].connected = !(g_XInputGetStateEx(i, &dummy_state) == ERROR_DEVICE_NOT_CONNECTED); - if (g_winxinput_states[i].connected) - RARCH_LOG("Found XInput controller, player #%u\n", i); - } - - if ((!g_winxinput_states[0].connected) && - (!g_winxinput_states[1].connected) && - (!g_winxinput_states[2].connected) && - (!g_winxinput_states[3].connected)) - return false; - - g_xinput_block_pads = true; - - // We're going to have to be buddies with dinput if we want to be able - // to use XI and non-XI controllers together. - if (!dinput_joypad.init()) - { - g_xinput_block_pads = false; - return false; - } - - for (unsigned autoconf_pad = 0; autoconf_pad < MAX_PLAYERS; autoconf_pad++) - { - if (pad_index_to_xplayer_index(autoconf_pad) > -1) - { - strlcpy(g_settings.input.device_names[autoconf_pad], winxinput_joypad_name(autoconf_pad), sizeof(g_settings.input.device_names[autoconf_pad])); - input_config_autoconfigure_joypad(autoconf_pad, winxinput_joypad_name(autoconf_pad), winxinput_joypad.ident); - } - } - - return true; - -} - -static bool winxinput_joypad_query_pad(unsigned pad) -{ - int xplayer = pad_index_to_xplayer_index(pad); - if (xplayer > -1) - return g_winxinput_states[xplayer].connected; - else - return dinput_joypad.query_pad(pad); -} - -static void winxinput_joypad_destroy(void) -{ - for (unsigned i = 0; i < 4; ++i) - memset(&g_winxinput_states[i], 0, sizeof(winxinput_joypad_state)); - - FreeLibrary(g_winxinput_dll); - g_winxinput_dll = NULL; - g_XInputGetStateEx = NULL; - - dinput_joypad.destroy(); - g_xinput_block_pads = false; -} - -// Buttons are provided by XInput as bits of a uint16. -// Map from rarch button index (0..10) to a mask to bitwise-& the buttons against. -// dpad is handled seperately. -static const uint16_t button_index_to_bitmap_code[] = { - XINPUT_GAMEPAD_A, - XINPUT_GAMEPAD_B, - XINPUT_GAMEPAD_X, - XINPUT_GAMEPAD_Y, - XINPUT_GAMEPAD_LEFT_SHOULDER, - XINPUT_GAMEPAD_RIGHT_SHOULDER, - XINPUT_GAMEPAD_START, - XINPUT_GAMEPAD_BACK, - XINPUT_GAMEPAD_LEFT_THUMB, - XINPUT_GAMEPAD_RIGHT_THUMB, - XINPUT_GAMEPAD_GUIDE -}; - -static bool winxinput_joypad_button (unsigned port_num, uint16_t joykey) -{ - if (joykey == NO_BTN) - return false; - - int xplayer = pad_index_to_xplayer_index(port_num); - if (xplayer == -1) - return dinput_joypad.button(port_num, joykey); - - if (!(g_winxinput_states[xplayer].connected)) - return false; - - //return false; - - uint16_t btn_word = g_winxinput_states[xplayer].xstate.Gamepad.wButtons; - - if (GET_HAT_DIR(joykey)) - { - switch (GET_HAT_DIR(joykey)) - { - case HAT_UP_MASK: return btn_word & XINPUT_GAMEPAD_DPAD_UP; - case HAT_DOWN_MASK: return btn_word & XINPUT_GAMEPAD_DPAD_DOWN; - case HAT_LEFT_MASK: return btn_word & XINPUT_GAMEPAD_DPAD_LEFT; - case HAT_RIGHT_MASK: return btn_word & XINPUT_GAMEPAD_DPAD_RIGHT; - } - return false; // hat requested and no hat button down - } - else - { - // non-hat button - unsigned num_buttons = g_winxinput_guide_button_supported ? 11 : 10; - - if (joykey < num_buttons) - return btn_word & button_index_to_bitmap_code[joykey]; - } - return false; -} - -static int16_t winxinput_joypad_axis (unsigned port_num, uint32_t joyaxis) -{ - if (joyaxis == AXIS_NONE) - return 0; - - int xplayer = pad_index_to_xplayer_index(port_num); - - if (xplayer == -1) - return dinput_joypad.axis(port_num, joyaxis); - - if (!(g_winxinput_states[xplayer].connected)) - return false; - - int16_t val = 0; - int axis = -1; - - bool is_neg = false; - bool is_pos = false; - - if (AXIS_NEG_GET(joyaxis) <= 3) // triggers (axes 4,5) cannot be negative - { - axis = AXIS_NEG_GET(joyaxis); - is_neg = true; - } - else if (AXIS_POS_GET(joyaxis) <= 5) - { - axis = AXIS_POS_GET(joyaxis); - is_pos = true; - } - - XINPUT_GAMEPAD* pad = &(g_winxinput_states[xplayer].xstate.Gamepad); - - switch (axis) - { - case 0: val = pad->sThumbLX; break; - case 1: val = pad->sThumbLY; break; - case 2: val = pad->sThumbRX; break; - case 3: val = pad->sThumbRY; break; - - case 4: val = pad->bLeftTrigger * 32767 / 255; break; // map 0..255 to 0..32767 - case 5: val = pad->bRightTrigger * 32767 / 255; break; - } - - if (is_neg && val > 0) - val = 0; - else if (is_pos && val < 0) - val = 0; - - // Clamp to avoid overflow error - if (val == -32768) - val = -32767; - - return val; -} - -static void winxinput_joypad_poll(void) -{ - for (unsigned i = 0; i < 4; ++i) - if (g_winxinput_states[i].connected) - if (g_XInputGetStateEx(i, &(g_winxinput_states[i].xstate)) == ERROR_DEVICE_NOT_CONNECTED) - g_winxinput_states[i].connected = false; - - dinput_joypad.poll(); -} - -static bool winxinput_joypad_rumble(unsigned pad, enum retro_rumble_effect effect, uint16_t strength) -{ - int xplayer = pad_index_to_xplayer_index(pad); - if (xplayer == -1) - { - if (dinput_joypad.set_rumble) - return dinput_joypad.set_rumble(pad, effect, strength); - else - return false; - } - - - // Consider the low frequency (left) motor the "strong" one. - if (effect == RETRO_RUMBLE_STRONG) - g_xinput_rumble_states[xplayer].wLeftMotorSpeed = strength; - else if (effect == RETRO_RUMBLE_WEAK) - g_xinput_rumble_states[xplayer].wRightMotorSpeed = strength; - - return g_XInputSetState(xplayer, &g_xinput_rumble_states[xplayer]) == ERROR_SUCCESS; -} - -const rarch_joypad_driver_t winxinput_joypad = { - winxinput_joypad_init, - winxinput_joypad_query_pad, - winxinput_joypad_destroy, - winxinput_joypad_button, - winxinput_joypad_axis, - winxinput_joypad_poll, - winxinput_joypad_rumble, - winxinput_joypad_name, - "winxinput", -}; +/* RetroArch - A frontend for libretro. + * Copyright (C) 2013 - pinumbernumber + * + * 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 . + */ + +// Support 360 controllers on Windows. +// Said controllers do show under DInput but they have limitations in this mode; +// The triggers are combined rather than seperate and it is not possible to use +// the guide button. + +// Some wrappers for other controllers also simulate xinput (as it is easier to implement) +// so this may be useful for those also. +#include "input_common.h" + +#include "../general.h" +#include "../boolean.h" + +#include +#include +#include + +// Check the definitions do not already exist. +// Official and mingw xinput headers have different include guards +#if ((!_XINPUT_H_) && (!__WINE_XINPUT_H)) + +#define XINPUT_GAMEPAD_DPAD_UP 0x0001 +#define XINPUT_GAMEPAD_DPAD_DOWN 0x0002 +#define XINPUT_GAMEPAD_DPAD_LEFT 0x0004 +#define XINPUT_GAMEPAD_DPAD_RIGHT 0x0008 +#define XINPUT_GAMEPAD_START 0x0010 +#define XINPUT_GAMEPAD_BACK 0x0020 +#define XINPUT_GAMEPAD_LEFT_THUMB 0x0040 +#define XINPUT_GAMEPAD_RIGHT_THUMB 0x0080 +#define XINPUT_GAMEPAD_LEFT_SHOULDER 0x0100 +#define XINPUT_GAMEPAD_RIGHT_SHOULDER 0x0200 +#define XINPUT_GAMEPAD_A 0x1000 +#define XINPUT_GAMEPAD_B 0x2000 +#define XINPUT_GAMEPAD_X 0x4000 +#define XINPUT_GAMEPAD_Y 0x8000 + +typedef struct +{ + uint16_t wButtons; + uint8_t bLeftTrigger; + uint8_t bRightTrigger; + int16_t sThumbLX; + int16_t sThumbLY; + int16_t sThumbRX; + int16_t sThumbRY; +} XINPUT_GAMEPAD; + +typedef struct +{ + uint32_t dwPacketNumber; + XINPUT_GAMEPAD Gamepad; +} XINPUT_STATE; + +typedef struct +{ + uint16_t wLeftMotorSpeed; + uint16_t wRightMotorSpeed; +} XINPUT_VIBRATION; + +#endif + +// Guide constant is not officially documented +#define XINPUT_GAMEPAD_GUIDE 0x0400 + +#ifndef ERROR_DEVICE_NOT_CONNECTED +#define ERROR_DEVICE_NOT_CONNECTED 1167 +#endif + +#ifndef HAVE_DINPUT +#error Cannot compile xinput without dinput. +#endif + +// Due to 360 pads showing up under both XI and DI, and since we are going +// to have to pass through unhandled joypad numbers to DI, a slightly ugly +// hack is required here. dinput_joypad_init will fill this. +// For each pad index, the appropriate entry will be set to -1 if it is not +// a 360 pad, or the correct XInput player number (0..3 inclusive) if it is. +extern int g_xinput_pad_indexes[MAX_PLAYERS]; +extern bool g_xinput_block_pads; + +// For xinput1_3.dll +static HINSTANCE g_winxinput_dll; + +// Function pointer, to be assigned with GetProcAddress +typedef uint32_t (__stdcall *XInputGetStateEx_t)(uint32_t, XINPUT_STATE*); +static XInputGetStateEx_t g_XInputGetStateEx; + +typedef uint32_t (__stdcall *XInputSetState_t)(uint32_t, XINPUT_VIBRATION*); +static XInputSetState_t g_XInputSetState; + +// Guide button may or may not be available +static bool g_winxinput_guide_button_supported; + +typedef struct +{ + XINPUT_STATE xstate; + bool connected; +} winxinput_joypad_state; + +static XINPUT_VIBRATION g_xinput_rumble_states[4]; + +static winxinput_joypad_state g_winxinput_states[4]; + +static inline int pad_index_to_xplayer_index(unsigned pad) +{ + return g_xinput_pad_indexes[pad]; +} + +// Generic "XInput" instead of "Xbox 360", because there are +// some other non-xbox third party PC controllers. +static const char* const XBOX_CONTROLLER_NAMES[4] = +{ + "XInput Controller (Player 1)", + "XInput Controller (Player 2)", + "XInput Controller (Player 3)", + "XInput Controller (Player 4)" +}; + +const char* winxinput_joypad_name (unsigned pad) +{ + int xplayer = pad_index_to_xplayer_index(pad); + + if (xplayer < 0) + return dinput_joypad.name(pad); + else + // TODO: Different name if disconnected? + return XBOX_CONTROLLER_NAMES[xplayer]; +} + + + +static bool winxinput_joypad_init(void) +{ + g_winxinput_dll = NULL; + + // Find the correct path to load the DLL from. + // Usually this will be from the system directory, + // but occasionally a user may wish to use a third-party + // wrapper DLL (such as x360ce); support these by checking + // the working directory first. + + // No need to check for existance as we will be checking LoadLibrary's + // success anyway. + + const char *version = "1.4"; + g_winxinput_dll = LoadLibrary("xinput1_4.dll"); // Using dylib_* complicates building joyconfig. + if (!g_winxinput_dll) + { + g_winxinput_dll = LoadLibrary("xinput1_3.dll"); + version = "1.3"; + } + + if (!g_winxinput_dll) + { + RARCH_ERR("Failed to load XInput, ensure DirectX and controller drivers are up to date.\n"); + return false; + } + + RARCH_LOG("Found XInput v%s.\n", version); + + // If we get here then an xinput DLL is correctly loaded. + // First try to load ordinal 100 (XInputGetStateEx). + g_XInputGetStateEx = (XInputGetStateEx_t) GetProcAddress(g_winxinput_dll, (const char*)100); + g_winxinput_guide_button_supported = true; + + if (!g_XInputGetStateEx) + { + // no ordinal 100. (Presumably a wrapper.) Load the ordinary + // XInputGetState, at the cost of losing guide button support. + g_winxinput_guide_button_supported = false; + g_XInputGetStateEx = (XInputGetStateEx_t) GetProcAddress(g_winxinput_dll, "XInputGetState"); + if (!g_XInputGetStateEx) + { + RARCH_ERR("Failed to init XInput: DLL is invalid or corrupt.\n"); + FreeLibrary(g_winxinput_dll); + return false; // DLL was loaded but did not contain the correct function. + } + RARCH_WARN("XInput: No guide button support.\n"); + } + + g_XInputSetState = (XInputSetState_t) GetProcAddress(g_winxinput_dll, "XInputSetState"); + if (!g_XInputSetState) + { + RARCH_ERR("Failed to init XInput: DLL is invalid or corrupt.\n"); + FreeLibrary(g_winxinput_dll); + return false; // DLL was loaded but did not contain the correct function. + } + + // Zero out the states + for (unsigned i = 0; i < 4; ++i) + memset(&g_winxinput_states[i], 0, sizeof(winxinput_joypad_state)); + + // Do a dummy poll to check which controllers are connected. + XINPUT_STATE dummy_state; + for (unsigned i = 0; i < 4; ++i) + { + g_winxinput_states[i].connected = !(g_XInputGetStateEx(i, &dummy_state) == ERROR_DEVICE_NOT_CONNECTED); + if (g_winxinput_states[i].connected) + RARCH_LOG("Found XInput controller, player #%u\n", i); + } + + if ((!g_winxinput_states[0].connected) && + (!g_winxinput_states[1].connected) && + (!g_winxinput_states[2].connected) && + (!g_winxinput_states[3].connected)) + return false; + + g_xinput_block_pads = true; + + // We're going to have to be buddies with dinput if we want to be able + // to use XI and non-XI controllers together. + if (!dinput_joypad.init()) + { + g_xinput_block_pads = false; + return false; + } + + for (unsigned autoconf_pad = 0; autoconf_pad < MAX_PLAYERS; autoconf_pad++) + { + if (pad_index_to_xplayer_index(autoconf_pad) > -1) + { + strlcpy(g_settings.input.device_names[autoconf_pad], winxinput_joypad_name(autoconf_pad), sizeof(g_settings.input.device_names[autoconf_pad])); + input_config_autoconfigure_joypad(autoconf_pad, winxinput_joypad_name(autoconf_pad), winxinput_joypad.ident); + } + } + + return true; + +} + +static bool winxinput_joypad_query_pad(unsigned pad) +{ + int xplayer = pad_index_to_xplayer_index(pad); + if (xplayer > -1) + return g_winxinput_states[xplayer].connected; + else + return dinput_joypad.query_pad(pad); +} + +static void winxinput_joypad_destroy(void) +{ + for (unsigned i = 0; i < 4; ++i) + memset(&g_winxinput_states[i], 0, sizeof(winxinput_joypad_state)); + + FreeLibrary(g_winxinput_dll); + g_winxinput_dll = NULL; + g_XInputGetStateEx = NULL; + + dinput_joypad.destroy(); + g_xinput_block_pads = false; +} + +// Buttons are provided by XInput as bits of a uint16. +// Map from rarch button index (0..10) to a mask to bitwise-& the buttons against. +// dpad is handled seperately. +static const uint16_t button_index_to_bitmap_code[] = { + XINPUT_GAMEPAD_A, + XINPUT_GAMEPAD_B, + XINPUT_GAMEPAD_X, + XINPUT_GAMEPAD_Y, + XINPUT_GAMEPAD_LEFT_SHOULDER, + XINPUT_GAMEPAD_RIGHT_SHOULDER, + XINPUT_GAMEPAD_START, + XINPUT_GAMEPAD_BACK, + XINPUT_GAMEPAD_LEFT_THUMB, + XINPUT_GAMEPAD_RIGHT_THUMB, + XINPUT_GAMEPAD_GUIDE +}; + +static bool winxinput_joypad_button (unsigned port_num, uint16_t joykey) +{ + if (joykey == NO_BTN) + return false; + + int xplayer = pad_index_to_xplayer_index(port_num); + if (xplayer == -1) + return dinput_joypad.button(port_num, joykey); + + if (!(g_winxinput_states[xplayer].connected)) + return false; + + //return false; + + uint16_t btn_word = g_winxinput_states[xplayer].xstate.Gamepad.wButtons; + + if (GET_HAT_DIR(joykey)) + { + switch (GET_HAT_DIR(joykey)) + { + case HAT_UP_MASK: return btn_word & XINPUT_GAMEPAD_DPAD_UP; + case HAT_DOWN_MASK: return btn_word & XINPUT_GAMEPAD_DPAD_DOWN; + case HAT_LEFT_MASK: return btn_word & XINPUT_GAMEPAD_DPAD_LEFT; + case HAT_RIGHT_MASK: return btn_word & XINPUT_GAMEPAD_DPAD_RIGHT; + } + return false; // hat requested and no hat button down + } + else + { + // non-hat button + unsigned num_buttons = g_winxinput_guide_button_supported ? 11 : 10; + + if (joykey < num_buttons) + return btn_word & button_index_to_bitmap_code[joykey]; + } + return false; +} + +static int16_t winxinput_joypad_axis (unsigned port_num, uint32_t joyaxis) +{ + if (joyaxis == AXIS_NONE) + return 0; + + int xplayer = pad_index_to_xplayer_index(port_num); + + if (xplayer == -1) + return dinput_joypad.axis(port_num, joyaxis); + + if (!(g_winxinput_states[xplayer].connected)) + return false; + + int16_t val = 0; + int axis = -1; + + bool is_neg = false; + bool is_pos = false; + + if (AXIS_NEG_GET(joyaxis) <= 3) // triggers (axes 4,5) cannot be negative + { + axis = AXIS_NEG_GET(joyaxis); + is_neg = true; + } + else if (AXIS_POS_GET(joyaxis) <= 5) + { + axis = AXIS_POS_GET(joyaxis); + is_pos = true; + } + + XINPUT_GAMEPAD* pad = &(g_winxinput_states[xplayer].xstate.Gamepad); + + switch (axis) + { + case 0: val = pad->sThumbLX; break; + case 1: val = pad->sThumbLY; break; + case 2: val = pad->sThumbRX; break; + case 3: val = pad->sThumbRY; break; + + case 4: val = pad->bLeftTrigger * 32767 / 255; break; // map 0..255 to 0..32767 + case 5: val = pad->bRightTrigger * 32767 / 255; break; + } + + if (is_neg && val > 0) + val = 0; + else if (is_pos && val < 0) + val = 0; + + // Clamp to avoid overflow error + if (val == -32768) + val = -32767; + + return val; +} + +static void winxinput_joypad_poll(void) +{ + for (unsigned i = 0; i < 4; ++i) + if (g_winxinput_states[i].connected) + if (g_XInputGetStateEx(i, &(g_winxinput_states[i].xstate)) == ERROR_DEVICE_NOT_CONNECTED) + g_winxinput_states[i].connected = false; + + dinput_joypad.poll(); +} + +static bool winxinput_joypad_rumble(unsigned pad, enum retro_rumble_effect effect, uint16_t strength) +{ + int xplayer = pad_index_to_xplayer_index(pad); + if (xplayer == -1) + { + if (dinput_joypad.set_rumble) + return dinput_joypad.set_rumble(pad, effect, strength); + else + return false; + } + + + // Consider the low frequency (left) motor the "strong" one. + if (effect == RETRO_RUMBLE_STRONG) + g_xinput_rumble_states[xplayer].wLeftMotorSpeed = strength; + else if (effect == RETRO_RUMBLE_WEAK) + g_xinput_rumble_states[xplayer].wRightMotorSpeed = strength; + + return g_XInputSetState(xplayer, &g_xinput_rumble_states[xplayer]) == ERROR_SUCCESS; +} + +const rarch_joypad_driver_t winxinput_joypad = { + winxinput_joypad_init, + winxinput_joypad_query_pad, + winxinput_joypad_destroy, + winxinput_joypad_button, + winxinput_joypad_axis, + winxinput_joypad_poll, + winxinput_joypad_rumble, + winxinput_joypad_name, + "winxinput", +};