mirror of
https://github.com/libretro/RetroArch
synced 2024-12-29 12:31:05 +00:00
911 lines
25 KiB
C
911 lines
25 KiB
C
/* RetroArch - A frontend for libretro.
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* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
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*
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* RetroArch is free software: you can redistribute it and/or modify it under the terms
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* of the GNU General Public License as published by the Free Software Found-
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* ation, either version 3 of the License, or (at your option) any later version.
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*
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* RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the 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 along with RetroArch.
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* If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifdef _MSC_VER
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#pragma comment(lib, "dinput8")
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#endif
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#undef DIRECTINPUT_VERSION
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#define DIRECTINPUT_VERSION 0x0800
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#include <dinput.h>
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#include "../general.h"
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#include "../boolean.h"
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#include "input_common.h"
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#include <stdlib.h>
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#include <stddef.h>
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#include <string.h>
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#include <windowsx.h>
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// Context has to be global as joypads also ride on this context.
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static LPDIRECTINPUT8 g_ctx;
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struct pointer_status
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{
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int pointer_id;
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int pointer_x;
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int pointer_y;
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struct pointer_status *next;
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};
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struct dinput_input
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{
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LPDIRECTINPUTDEVICE8 keyboard;
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LPDIRECTINPUTDEVICE8 mouse;
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const rarch_joypad_driver_t *joypad;
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uint8_t state[256];
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int mouse_rel_x;
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int mouse_rel_y;
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int mouse_x;
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int mouse_y;
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bool mouse_l, mouse_r, mouse_m, mouse_wu, mouse_wd;
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struct pointer_status pointer_head; // dummy head for easier iteration
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};
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struct dinput_joypad
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{
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LPDIRECTINPUTDEVICE8 joypad;
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DIJOYSTATE2 joy_state;
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char* joy_name;
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};
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static unsigned g_joypad_cnt;
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static struct dinput_joypad g_pads[MAX_PLAYERS];
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static void dinput_destroy_context(void)
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{
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if (g_ctx)
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{
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IDirectInput8_Release(g_ctx);
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g_ctx = NULL;
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}
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}
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static bool dinput_init_context(void)
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{
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if (g_ctx)
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return true;
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CoInitialize(NULL);
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// Who said we shouldn't have same call signature in a COM API? <_<
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#ifdef __cplusplus
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if (FAILED(DirectInput8Create(
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GetModuleHandle(NULL), DIRECTINPUT_VERSION, IID_IDirectInput8,
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(void**)&g_ctx, NULL)))
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#else
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if (FAILED(DirectInput8Create(
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GetModuleHandle(NULL), DIRECTINPUT_VERSION, &IID_IDirectInput8,
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(void**)&g_ctx, NULL)))
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#endif
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{
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RARCH_ERR("Failed to init DirectInput.\n");
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return false;
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}
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return true;
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}
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static void *dinput_init(void)
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{
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if (!dinput_init_context())
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{
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RARCH_ERR("Failed to start DirectInput driver.\n");
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return NULL;
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}
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struct dinput_input *di = (struct dinput_input*)calloc(1, sizeof(*di));
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if (!di)
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return NULL;
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#ifdef __cplusplus
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if (FAILED(IDirectInput8_CreateDevice(g_ctx, GUID_SysKeyboard, &di->keyboard, NULL)))
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{
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RARCH_ERR("Failed to create keyboard device.\n");
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di->keyboard = NULL;
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}
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if (FAILED(IDirectInput8_CreateDevice(g_ctx, GUID_SysMouse, &di->mouse, NULL)))
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{
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RARCH_ERR("Failed to create mouse device.\n");
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di->mouse = NULL;
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}
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#else
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if (FAILED(IDirectInput8_CreateDevice(g_ctx, &GUID_SysKeyboard, &di->keyboard, NULL)))
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{
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RARCH_ERR("Failed to create keyboard device.\n");
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di->keyboard = NULL;
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}
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if (FAILED(IDirectInput8_CreateDevice(g_ctx, &GUID_SysMouse, &di->mouse, NULL)))
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{
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RARCH_ERR("Failed to create mouse device.\n");
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di->mouse = NULL;
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}
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#endif
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if (di->keyboard)
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{
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IDirectInputDevice8_SetDataFormat(di->keyboard, &c_dfDIKeyboard);
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IDirectInputDevice8_SetCooperativeLevel(di->keyboard,
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(HWND)driver.video_window, DISCL_NONEXCLUSIVE | DISCL_FOREGROUND);
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IDirectInputDevice8_Acquire(di->keyboard);
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}
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if (di->mouse)
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{
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IDirectInputDevice8_SetDataFormat(di->mouse, &c_dfDIMouse2);
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IDirectInputDevice8_SetCooperativeLevel(di->mouse, (HWND)driver.video_window,
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DISCL_NONEXCLUSIVE | DISCL_FOREGROUND);
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IDirectInputDevice8_Acquire(di->mouse);
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}
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input_init_keyboard_lut(rarch_key_map_dinput);
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di->joypad = input_joypad_init_driver(g_settings.input.joypad_driver);
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return di;
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}
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static void dinput_poll(void *data)
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{
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struct dinput_input *di = (struct dinput_input*)data;
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memset(di->state, 0, sizeof(di->state));
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if (di->keyboard)
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{
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if (FAILED(IDirectInputDevice8_GetDeviceState(di->keyboard, sizeof(di->state), di->state)))
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{
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IDirectInputDevice8_Acquire(di->keyboard);
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if (FAILED(IDirectInputDevice8_GetDeviceState(di->keyboard, sizeof(di->state), di->state)))
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memset(di->state, 0, sizeof(di->state));
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}
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}
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if (di->mouse)
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{
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DIMOUSESTATE2 mouse_state;
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memset(&mouse_state, 0, sizeof(mouse_state));
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if (FAILED(IDirectInputDevice8_GetDeviceState(di->mouse, sizeof(mouse_state), &mouse_state)))
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{
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IDirectInputDevice8_Acquire(di->mouse);
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if (FAILED(IDirectInputDevice8_GetDeviceState(di->mouse, sizeof(mouse_state), &mouse_state)))
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memset(&mouse_state, 0, sizeof(mouse_state));
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}
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di->mouse_rel_x = mouse_state.lX;
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di->mouse_rel_y = mouse_state.lY;
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di->mouse_l = mouse_state.rgbButtons[0];
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di->mouse_r = mouse_state.rgbButtons[1];
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di->mouse_m = mouse_state.rgbButtons[2];
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di->mouse_wu = mouse_state.rgbButtons[3];
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di->mouse_wd = mouse_state.rgbButtons[4];
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// No simple way to get absolute coordinates for RETRO_DEVICE_POINTER. Just use Win32 APIs.
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POINT point = {0};
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GetCursorPos(&point);
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ScreenToClient((HWND)driver.video_window, &point);
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di->mouse_x = point.x;
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di->mouse_y = point.y;
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}
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input_joypad_poll(di->joypad);
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}
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static bool dinput_keyboard_pressed(struct dinput_input *di, unsigned key)
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{
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if (key >= RETROK_LAST)
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return false;
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unsigned sym = input_translate_rk_to_keysym((enum retro_key)key);
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return di->state[sym] & 0x80;
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}
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static bool dinput_is_pressed(struct dinput_input *di, const struct retro_keybind *binds,
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unsigned port, unsigned id)
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{
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if (id >= RARCH_BIND_LIST_END)
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return false;
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const struct retro_keybind *bind = &binds[id];
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return dinput_keyboard_pressed(di, bind->key) || input_joypad_pressed(di->joypad, port, binds, id);
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}
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static int16_t dinput_pressed_analog(struct dinput_input *di,
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const struct retro_keybind *binds,
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unsigned index, unsigned id)
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{
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unsigned id_minus = 0;
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unsigned id_plus = 0;
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input_conv_analog_id_to_bind_id(index, id, &id_minus, &id_plus);
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const struct retro_keybind *bind_minus = &binds[id_minus];
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const struct retro_keybind *bind_plus = &binds[id_plus];
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if (!bind_minus->valid || !bind_plus->valid)
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return 0;
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int16_t pressed_minus = dinput_keyboard_pressed(di, bind_minus->key) ? -0x7fff : 0;
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int16_t pressed_plus = dinput_keyboard_pressed(di, bind_plus->key) ? 0x7fff : 0;
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return pressed_plus + pressed_minus;
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}
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static bool dinput_key_pressed(void *data, int key)
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{
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return dinput_is_pressed((struct dinput_input*)data, g_settings.input.binds[0], 0, key);
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}
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static int16_t dinput_lightgun_state(struct dinput_input *di, unsigned id)
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{
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switch (id)
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{
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case RETRO_DEVICE_ID_LIGHTGUN_X:
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return di->mouse_rel_x;
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case RETRO_DEVICE_ID_LIGHTGUN_Y:
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return di->mouse_rel_y;
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case RETRO_DEVICE_ID_LIGHTGUN_TRIGGER:
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return di->mouse_l;
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case RETRO_DEVICE_ID_LIGHTGUN_CURSOR:
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return di->mouse_m;
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case RETRO_DEVICE_ID_LIGHTGUN_TURBO:
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return di->mouse_r;
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case RETRO_DEVICE_ID_LIGHTGUN_START:
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return di->mouse_m && di->mouse_r;
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case RETRO_DEVICE_ID_LIGHTGUN_PAUSE:
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return di->mouse_m && di->mouse_l;
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default:
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return 0;
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}
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}
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static int16_t dinput_mouse_state(struct dinput_input *di, unsigned id)
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{
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switch (id)
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{
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case RETRO_DEVICE_ID_MOUSE_X:
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return di->mouse_rel_x;
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case RETRO_DEVICE_ID_MOUSE_Y:
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return di->mouse_rel_y;
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case RETRO_DEVICE_ID_MOUSE_LEFT:
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return di->mouse_l;
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case RETRO_DEVICE_ID_MOUSE_RIGHT:
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return di->mouse_r;
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case RETRO_DEVICE_ID_MOUSE_WHEELUP:
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return di->mouse_wu;
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case RETRO_DEVICE_ID_MOUSE_WHEELDOWN:
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return di->mouse_wd;
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case RETRO_DEVICE_ID_MOUSE_MIDDLE:
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return di->mouse_m;
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default:
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return 0;
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}
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}
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static int16_t dinput_pointer_state(struct dinput_input *di, unsigned index, unsigned id, bool screen)
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{
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int16_t res_x = 0, res_y = 0, res_screen_x = 0, res_screen_y = 0;
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unsigned num = 0;
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struct pointer_status *check_pos = di->pointer_head.next;
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while (check_pos && num < index)
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{
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num++;
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check_pos = check_pos->next;
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}
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if (!check_pos && index > 0) // index = 0 has mouse fallback
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return 0;
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int x = check_pos ? check_pos->pointer_x : di->mouse_x;
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int y = check_pos ? check_pos->pointer_y : di->mouse_y;
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bool pointer_down = check_pos ? true : di->mouse_l;
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bool valid = input_translate_coord_viewport(x, y,
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&res_x, &res_y, &res_screen_x, &res_screen_y);
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if (!valid)
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return 0;
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if (screen)
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{
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res_x = res_screen_x;
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res_y = res_screen_y;
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}
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bool inside = (res_x >= -0x7fff) && (res_y >= -0x7fff);
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if (!inside)
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return 0;
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switch (id)
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{
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case RETRO_DEVICE_ID_POINTER_X:
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return res_x;
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case RETRO_DEVICE_ID_POINTER_Y:
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return res_y;
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case RETRO_DEVICE_ID_POINTER_PRESSED:
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return pointer_down;
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default:
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return 0;
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}
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}
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static int16_t dinput_input_state(void *data,
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const struct retro_keybind **binds, unsigned port,
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unsigned device, unsigned index, unsigned id)
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{
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struct dinput_input *di = (struct dinput_input*)data;
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int16_t ret;
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switch (device)
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{
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case RETRO_DEVICE_JOYPAD:
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return dinput_is_pressed(di, binds[port], port, id);
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case RETRO_DEVICE_KEYBOARD:
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return dinput_keyboard_pressed(di, id);
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case RETRO_DEVICE_ANALOG:
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ret = dinput_pressed_analog(di, binds[port], index, id);
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if (!ret)
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ret = input_joypad_analog(di->joypad, port, index, id, g_settings.input.binds[port]);
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return ret;
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case RETRO_DEVICE_MOUSE:
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return dinput_mouse_state(di, id);
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case RETRO_DEVICE_POINTER:
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case RARCH_DEVICE_POINTER_SCREEN:
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return dinput_pointer_state(di, index, id, device == RARCH_DEVICE_POINTER_SCREEN);
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case RETRO_DEVICE_LIGHTGUN:
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return dinput_lightgun_state(di, id);
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default:
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return 0;
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}
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}
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// these are defined in later SDKs, thus ifdeffed
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#ifndef WM_POINTERUPDATE
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#define WM_POINTERUPDATE 0x0245
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#endif
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#ifndef WM_POINTERDOWN
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#define WM_POINTERDOWN 0x0246
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#endif
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#ifndef WM_POINTERUP
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#define WM_POINTERUP 0x0247
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#endif
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#ifndef GET_POINTERID_WPARAM
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#define GET_POINTERID_WPARAM(wParam) (LOWORD(wParam))
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#endif
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// stores x/y in client coordinates
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void dinput_pointer_store_pos(struct pointer_status *pointer, WPARAM lParam)
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{
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POINT point;
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point.x = GET_X_LPARAM(lParam);
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point.y = GET_Y_LPARAM(lParam);
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ScreenToClient((HWND)driver.video_window, &point);
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pointer->pointer_x = point.x;
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pointer->pointer_y = point.y;
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}
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void dinput_add_pointer(struct dinput_input *di, struct pointer_status *new_pointer)
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{
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new_pointer->next = NULL;
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struct pointer_status *insert_pos = &di->pointer_head;
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while (insert_pos->next)
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insert_pos = insert_pos->next;
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insert_pos->next = new_pointer;
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}
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void dinput_delete_pointer(struct dinput_input *di, int pointer_id)
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{
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struct pointer_status *check_pos = &di->pointer_head;
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while (check_pos && check_pos->next)
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{
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if (check_pos->next->pointer_id == pointer_id)
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{
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struct pointer_status *to_delete = check_pos->next;
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check_pos->next = check_pos->next->next;
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free(to_delete);
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}
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check_pos = check_pos->next;
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}
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}
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struct pointer_status *dinput_find_pointer(struct dinput_input *di, int pointer_id)
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{
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struct pointer_status *check_pos = di->pointer_head.next;
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while (check_pos)
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{
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if (check_pos->pointer_id == pointer_id)
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break;
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check_pos = check_pos->next;
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}
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return check_pos;
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}
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void dinput_clear_pointers(struct dinput_input *di)
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{
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struct pointer_status *pointer = &di->pointer_head;
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while (pointer->next)
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{
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struct pointer_status *del = pointer->next;
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pointer->next = pointer->next->next;
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free(del);
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}
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}
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#ifdef __cplusplus
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extern "C"
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#endif
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bool dinput_handle_message(void *dinput, UINT message, WPARAM wParam, LPARAM lParam)
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{
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struct dinput_input *di = (struct dinput_input *)dinput;
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/* WM_POINTERDOWN arrives for each new touch event with a new id - add to list
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WM_POINTERUP arrives once the pointer is no longer down - remove from list
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WM_POINTERUPDATE arrives for both pressed and hovering pointers - ignore hovering
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*/
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switch (message)
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{
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case WM_POINTERDOWN:
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{
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struct pointer_status *new_pointer = (struct pointer_status *)malloc(sizeof(struct pointer_status));
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new_pointer->pointer_id = GET_POINTERID_WPARAM(wParam);
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dinput_pointer_store_pos(new_pointer, lParam);
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dinput_add_pointer(di, new_pointer);
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return true;
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}
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case WM_POINTERUP:
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{
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int pointer_id = GET_POINTERID_WPARAM(wParam);
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dinput_delete_pointer(di, pointer_id);
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return true;
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}
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case WM_POINTERUPDATE:
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{
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int pointer_id = GET_POINTERID_WPARAM(wParam);
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struct pointer_status *pointer = dinput_find_pointer(di, pointer_id);
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if (pointer)
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dinput_pointer_store_pos(pointer, lParam);
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return true;
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}
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case WM_DEVICECHANGE:
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{
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if (di->joypad)
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di->joypad->destroy();
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di->joypad = input_joypad_init_driver(g_settings.input.joypad_driver);
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break;
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}
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}
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return false;
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}
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static void dinput_free(void *data)
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{
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struct dinput_input *di = (struct dinput_input*)data;
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LPDIRECTINPUT8 hold_ctx = g_ctx;
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if (di)
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{
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g_ctx = NULL; // Prevent a joypad driver to kill our context prematurely.
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if (di->joypad)
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di->joypad->destroy();
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g_ctx = hold_ctx;
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dinput_clear_pointers(di); // clear any leftover pointers
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if (di->keyboard)
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IDirectInputDevice8_Release(di->keyboard);
|
|
|
|
if (di->mouse)
|
|
IDirectInputDevice8_Release(di->mouse);
|
|
|
|
free(di);
|
|
}
|
|
|
|
dinput_destroy_context();
|
|
}
|
|
|
|
static void dinput_grab_mouse(void *data, bool state)
|
|
{
|
|
struct dinput_input *di = (struct dinput_input*)data;
|
|
IDirectInputDevice8_Unacquire(di->mouse);
|
|
IDirectInputDevice8_SetCooperativeLevel(di->mouse,
|
|
(HWND)driver.video_window,
|
|
state ?
|
|
(DISCL_EXCLUSIVE | DISCL_FOREGROUND) :
|
|
(DISCL_NONEXCLUSIVE | DISCL_FOREGROUND));
|
|
IDirectInputDevice8_Acquire(di->mouse);
|
|
}
|
|
|
|
static bool dinput_set_rumble(void *data, unsigned port, enum retro_rumble_effect effect, uint16_t strength)
|
|
{
|
|
struct dinput_input *di = (struct dinput_input*)data;
|
|
return input_joypad_set_rumble(di->joypad, port, effect, strength);
|
|
}
|
|
|
|
static const rarch_joypad_driver_t *dinput_get_joypad_driver(void *data)
|
|
{
|
|
struct dinput_input *di = (struct dinput_input*)data;
|
|
return di->joypad;
|
|
}
|
|
|
|
static uint64_t dinput_get_capabilities(void *data)
|
|
{
|
|
uint64_t caps = 0;
|
|
|
|
caps |= (1 << RETRO_DEVICE_JOYPAD);
|
|
caps |= (1 << RETRO_DEVICE_MOUSE);
|
|
caps |= (1 << RETRO_DEVICE_KEYBOARD);
|
|
caps |= (1 << RETRO_DEVICE_LIGHTGUN);
|
|
caps |= (1 << RETRO_DEVICE_POINTER);
|
|
caps |= (1 << RETRO_DEVICE_ANALOG);
|
|
|
|
return caps;
|
|
}
|
|
|
|
const input_driver_t input_dinput = {
|
|
dinput_init,
|
|
dinput_poll,
|
|
dinput_input_state,
|
|
dinput_key_pressed,
|
|
dinput_free,
|
|
NULL,
|
|
NULL,
|
|
NULL,
|
|
dinput_get_capabilities,
|
|
NULL,
|
|
"dinput",
|
|
|
|
dinput_grab_mouse,
|
|
dinput_set_rumble,
|
|
dinput_get_joypad_driver,
|
|
};
|
|
|
|
// Keep track of which pad indexes are 360 controllers
|
|
// not static, will be read in winxinput_joypad.c
|
|
// -1 = not xbox pad, otherwise 0..3
|
|
int g_xinput_pad_indexes[MAX_PLAYERS];
|
|
bool g_xinput_block_pads;
|
|
|
|
static void dinput_joypad_destroy(void)
|
|
{
|
|
unsigned i;
|
|
for (i = 0; i < MAX_PLAYERS; i++)
|
|
{
|
|
if (g_pads[i].joypad)
|
|
{
|
|
IDirectInputDevice8_Unacquire(g_pads[i].joypad);
|
|
IDirectInputDevice8_Release(g_pads[i].joypad);
|
|
}
|
|
|
|
free(g_pads[i].joy_name);
|
|
g_pads[i].joy_name = NULL;
|
|
*g_settings.input.device_names[i] = '\0';
|
|
}
|
|
|
|
g_joypad_cnt = 0;
|
|
memset(g_pads, 0, sizeof(g_pads));
|
|
|
|
// Can be blocked by global Dinput context.
|
|
dinput_destroy_context();
|
|
}
|
|
|
|
static BOOL CALLBACK enum_axes_cb(const DIDEVICEOBJECTINSTANCE *inst, void *p)
|
|
{
|
|
LPDIRECTINPUTDEVICE8 joypad = (LPDIRECTINPUTDEVICE8)p;
|
|
|
|
DIPROPRANGE range;
|
|
memset(&range, 0, sizeof(range));
|
|
range.diph.dwSize = sizeof(DIPROPRANGE);
|
|
range.diph.dwHeaderSize = sizeof(DIPROPHEADER);
|
|
range.diph.dwHow = DIPH_BYID;
|
|
range.diph.dwObj = inst->dwType;
|
|
range.lMin = -0x7fff;
|
|
range.lMax = 0x7fff;
|
|
IDirectInputDevice8_SetProperty(joypad, DIPROP_RANGE, &range.diph);
|
|
|
|
return DIENUM_CONTINUE;
|
|
}
|
|
|
|
static const GUID common_xinput_guids[] = {
|
|
{MAKELONG(0x28DE, 0x11FF),0x0000,0x0000,{0x00,0x00,0x50,0x49,0x44,0x56,0x49,0x44}}, // valve streaming pad
|
|
{MAKELONG(0x045E, 0x02A1),0x0000,0x0000,{0x00,0x00,0x50,0x49,0x44,0x56,0x49,0x44}}, // wired 360 pad
|
|
{MAKELONG(0x045E, 0x028E),0x0000,0x0000,{0x00,0x00,0x50,0x49,0x44,0x56,0x49,0x44}} // wireless 360 pad
|
|
};
|
|
|
|
// Based on SDL2's implementation
|
|
static bool guid_is_xinput_device(const GUID* product_guid)
|
|
{
|
|
PRAWINPUTDEVICELIST raw_devs = NULL;
|
|
unsigned num_raw_devs = 0;
|
|
unsigned i;
|
|
|
|
// Check for well known XInput device GUIDs, thereby removing the need for the IG_ check.
|
|
// This lets us skip RAWINPUT for popular devices. Also, we need to do this for the Valve Streaming Gamepad because it's virtualized and doesn't show up in the device list.
|
|
for (i = 0; i < ARRAY_SIZE(common_xinput_guids); ++i)
|
|
{
|
|
if (memcmp(product_guid, &common_xinput_guids[i], sizeof(GUID)) == 0)
|
|
return true;
|
|
}
|
|
|
|
/* Go through RAWINPUT (WinXP and later) to find HID devices. */
|
|
if (!raw_devs)
|
|
{
|
|
if ((GetRawInputDeviceList(NULL, &num_raw_devs, sizeof(RAWINPUTDEVICELIST)) == (UINT)-1) || (!num_raw_devs))
|
|
return false;
|
|
|
|
raw_devs = (PRAWINPUTDEVICELIST)malloc(sizeof(RAWINPUTDEVICELIST) * num_raw_devs);
|
|
if (!raw_devs)
|
|
return false;
|
|
|
|
if (GetRawInputDeviceList(raw_devs, &num_raw_devs, sizeof (RAWINPUTDEVICELIST)) == (UINT)-1)
|
|
{
|
|
free(raw_devs);
|
|
raw_devs = NULL;
|
|
return false;
|
|
}
|
|
}
|
|
|
|
for (i = 0; i < num_raw_devs; i++)
|
|
{
|
|
RID_DEVICE_INFO rdi;
|
|
char devName[128];
|
|
UINT rdiSize = sizeof(rdi);
|
|
UINT nameSize = sizeof(devName);
|
|
|
|
rdi.cbSize = sizeof (rdi);
|
|
if ((raw_devs[i].dwType == RIM_TYPEHID) &&
|
|
(GetRawInputDeviceInfoA(raw_devs[i].hDevice, RIDI_DEVICEINFO, &rdi, &rdiSize) != ((UINT)-1)) &&
|
|
(MAKELONG(rdi.hid.dwVendorId, rdi.hid.dwProductId) == ((LONG)product_guid->Data1)) &&
|
|
(GetRawInputDeviceInfoA(raw_devs[i].hDevice, RIDI_DEVICENAME, devName, &nameSize) != ((UINT)-1)) &&
|
|
(strstr(devName, "IG_") != NULL) )
|
|
{
|
|
free(raw_devs);
|
|
raw_devs = NULL;
|
|
return true;
|
|
}
|
|
}
|
|
|
|
free(raw_devs);
|
|
raw_devs = NULL;
|
|
return false;
|
|
}
|
|
|
|
// Forward declaration
|
|
static const char *dinput_joypad_name(unsigned pad);
|
|
static unsigned g_last_xinput_pad_index;
|
|
|
|
static BOOL CALLBACK enum_joypad_cb(const DIDEVICEINSTANCE *inst, void *p)
|
|
{
|
|
(void)p;
|
|
if (g_joypad_cnt == MAX_PLAYERS)
|
|
return DIENUM_STOP;
|
|
|
|
LPDIRECTINPUTDEVICE8 *pad = &g_pads[g_joypad_cnt].joypad;
|
|
|
|
#ifdef __cplusplus
|
|
if (FAILED(IDirectInput8_CreateDevice(g_ctx, inst->guidInstance, pad, NULL)))
|
|
#else
|
|
if (FAILED(IDirectInput8_CreateDevice(g_ctx, &inst->guidInstance, pad, NULL)))
|
|
#endif
|
|
return DIENUM_CONTINUE;
|
|
|
|
g_pads[g_joypad_cnt].joy_name = strdup(inst->tszProductName);
|
|
|
|
#ifdef HAVE_WINXINPUT
|
|
//bool is_xinput_pad = g_xinput_block_pads && name_is_xinput_pad(inst->tszProductName);
|
|
bool is_xinput_pad = g_xinput_block_pads && guid_is_xinput_device(&inst->guidProduct);
|
|
|
|
if (is_xinput_pad)
|
|
{
|
|
if (g_last_xinput_pad_index < 4)
|
|
g_xinput_pad_indexes[g_joypad_cnt] = g_last_xinput_pad_index++;
|
|
goto enum_iteration_done;
|
|
}
|
|
#endif
|
|
|
|
IDirectInputDevice8_SetDataFormat(*pad, &c_dfDIJoystick2);
|
|
IDirectInputDevice8_SetCooperativeLevel(*pad, (HWND)driver.video_window,
|
|
DISCL_NONEXCLUSIVE | DISCL_BACKGROUND);
|
|
|
|
IDirectInputDevice8_EnumObjects(*pad, enum_axes_cb,
|
|
*pad, DIDFT_ABSAXIS);
|
|
|
|
#ifdef HAVE_WINXINPUT
|
|
if (!is_xinput_pad)
|
|
#endif
|
|
{
|
|
strlcpy(g_settings.input.device_names[g_joypad_cnt], dinput_joypad_name(g_joypad_cnt), sizeof(g_settings.input.device_names[g_joypad_cnt]));
|
|
input_config_autoconfigure_joypad(g_joypad_cnt, dinput_joypad_name(g_joypad_cnt), dinput_joypad.ident);
|
|
}
|
|
|
|
enum_iteration_done:
|
|
g_joypad_cnt++;
|
|
return DIENUM_CONTINUE;
|
|
}
|
|
|
|
static bool dinput_joypad_init(void)
|
|
{
|
|
unsigned i;
|
|
if (!dinput_init_context())
|
|
return false;
|
|
|
|
g_last_xinput_pad_index = 0;
|
|
|
|
for (i = 0; i < MAX_PLAYERS; ++i)
|
|
{
|
|
g_xinput_pad_indexes[i] = -1;
|
|
g_pads[i].joy_name = NULL;
|
|
}
|
|
|
|
RARCH_LOG("Enumerating DInput joypads ...\n");
|
|
IDirectInput8_EnumDevices(g_ctx, DI8DEVCLASS_GAMECTRL,
|
|
enum_joypad_cb, NULL, DIEDFL_ATTACHEDONLY);
|
|
RARCH_LOG("Done enumerating DInput joypads ...\n");
|
|
return true;
|
|
}
|
|
|
|
static bool dinput_joypad_button(unsigned port_num, uint16_t joykey)
|
|
{
|
|
if (joykey == NO_BTN)
|
|
return false;
|
|
|
|
const struct dinput_joypad *pad = &g_pads[port_num];
|
|
if (!pad->joypad)
|
|
return false;
|
|
|
|
// Check hat.
|
|
if (GET_HAT_DIR(joykey))
|
|
{
|
|
unsigned hat = GET_HAT(joykey);
|
|
|
|
unsigned elems = sizeof(pad->joy_state.rgdwPOV) / sizeof(pad->joy_state.rgdwPOV[0]);
|
|
if (hat >= elems)
|
|
return false;
|
|
|
|
unsigned pov = pad->joy_state.rgdwPOV[hat];
|
|
|
|
// Magic numbers I'm not sure where originate from.
|
|
if (pov < 36000)
|
|
{
|
|
switch (GET_HAT_DIR(joykey))
|
|
{
|
|
case HAT_UP_MASK:
|
|
return (pov >= 31500) || (pov <= 4500);
|
|
case HAT_RIGHT_MASK:
|
|
return (pov >= 4500) && (pov <= 13500);
|
|
case HAT_DOWN_MASK:
|
|
return (pov >= 13500) && (pov <= 22500);
|
|
case HAT_LEFT_MASK:
|
|
return (pov >= 22500) && (pov <= 31500);
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
else
|
|
{
|
|
unsigned elems = sizeof(pad->joy_state.rgbButtons) / sizeof(pad->joy_state.rgbButtons[0]);
|
|
|
|
if (joykey < elems)
|
|
return pad->joy_state.rgbButtons[joykey];
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
static int16_t dinput_joypad_axis(unsigned port_num, uint32_t joyaxis)
|
|
{
|
|
if (joyaxis == AXIS_NONE)
|
|
return 0;
|
|
|
|
const struct dinput_joypad *pad = &g_pads[port_num];
|
|
if (!pad->joypad)
|
|
return 0;
|
|
|
|
int val = 0;
|
|
|
|
int axis = -1;
|
|
bool is_neg = false;
|
|
bool is_pos = false;
|
|
|
|
if (AXIS_NEG_GET(joyaxis) <= 5)
|
|
{
|
|
axis = AXIS_NEG_GET(joyaxis);
|
|
is_neg = true;
|
|
}
|
|
else if (AXIS_POS_GET(joyaxis) <= 5)
|
|
{
|
|
axis = AXIS_POS_GET(joyaxis);
|
|
is_pos = true;
|
|
}
|
|
|
|
switch (axis)
|
|
{
|
|
case 0: val = pad->joy_state.lX; break;
|
|
case 1: val = pad->joy_state.lY; break;
|
|
case 2: val = pad->joy_state.lZ; break;
|
|
case 3: val = pad->joy_state.lRx; break;
|
|
case 4: val = pad->joy_state.lRy; break;
|
|
case 5: val = pad->joy_state.lRz; break;
|
|
}
|
|
|
|
if (is_neg && val > 0)
|
|
val = 0;
|
|
else if (is_pos && val < 0)
|
|
val = 0;
|
|
|
|
return val;
|
|
}
|
|
|
|
static void dinput_joypad_poll(void)
|
|
{
|
|
unsigned i;
|
|
for (i = 0; i < MAX_PLAYERS; i++)
|
|
{
|
|
struct dinput_joypad *pad = &g_pads[i];
|
|
|
|
if (pad->joypad && g_xinput_pad_indexes[i] < 0)
|
|
{
|
|
memset(&pad->joy_state, 0, sizeof(pad->joy_state));
|
|
|
|
if (FAILED(IDirectInputDevice8_Poll(pad->joypad)))
|
|
{
|
|
if (FAILED(IDirectInputDevice8_Acquire(pad->joypad)))
|
|
{
|
|
memset(&pad->joy_state, 0, sizeof(DIJOYSTATE2));
|
|
continue;
|
|
}
|
|
|
|
// If this fails, something *really* bad must have happened.
|
|
if (FAILED(IDirectInputDevice8_Poll(pad->joypad)))
|
|
{
|
|
memset(&pad->joy_state, 0, sizeof(DIJOYSTATE2));
|
|
continue;
|
|
}
|
|
}
|
|
|
|
IDirectInputDevice8_GetDeviceState(pad->joypad,
|
|
sizeof(DIJOYSTATE2), &pad->joy_state);
|
|
}
|
|
}
|
|
}
|
|
|
|
static bool dinput_joypad_query_pad(unsigned pad)
|
|
{
|
|
return pad < MAX_PLAYERS && g_pads[pad].joypad;
|
|
}
|
|
|
|
static const char *dinput_joypad_name(unsigned pad)
|
|
{
|
|
if (pad < MAX_PLAYERS)
|
|
return g_pads[pad].joy_name;
|
|
|
|
return NULL;
|
|
}
|
|
|
|
const rarch_joypad_driver_t dinput_joypad = {
|
|
dinput_joypad_init,
|
|
dinput_joypad_query_pad,
|
|
dinput_joypad_destroy,
|
|
dinput_joypad_button,
|
|
dinput_joypad_axis,
|
|
dinput_joypad_poll,
|
|
NULL,
|
|
dinput_joypad_name,
|
|
"dinput",
|
|
};
|