mirror of
https://github.com/CTCaer/RetroArch.git
synced 2024-12-26 20:54:47 +00:00
479 lines
13 KiB
C
479 lines
13 KiB
C
/* RetroArch - A frontend for libretro.
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* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
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* Copyright (C) 2011-2015 - Daniel De Matteis
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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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#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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#include <dinput.h>
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#include <boolean.h>
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#include "../../general.h"
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#include "../../verbosity.h"
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#include "../input_autodetect.h"
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#include "../input_common.h"
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#include "../input_joypad.h"
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#include "../input_keymaps.h"
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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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char* joy_friendly_name;
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int32_t vid;
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int32_t pid;
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};
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static struct dinput_joypad g_pads[MAX_USERS];
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static unsigned g_joypad_cnt;
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static unsigned g_last_xinput_pad_idx;
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static const GUID common_xinput_guids[] = {
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{MAKELONG(0x28DE, 0x11FF),0x0000,0x0000,{0x00,0x00,0x50,0x49,0x44,0x56,0x49,0x44}}, /* Valve streaming pad */
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{MAKELONG(0x045E, 0x02A1),0x0000,0x0000,{0x00,0x00,0x50,0x49,0x44,0x56,0x49,0x44}}, /* Wired 360 pad */
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{MAKELONG(0x045E, 0x028E),0x0000,0x0000,{0x00,0x00,0x50,0x49,0x44,0x56,0x49,0x44}} /* wireless 360 pad */
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};
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/* forward declarations */
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void dinput_destroy_context(void);
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bool dinput_init_context(void);
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extern bool g_xinput_block_pads;
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extern int g_xinput_pad_indexes[MAX_USERS];
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extern LPDIRECTINPUT8 g_dinput_ctx;
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static void dinput_joypad_destroy(void)
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{
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unsigned i;
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settings_t *settings = config_get_ptr();
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for (i = 0; i < MAX_USERS; i++)
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{
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if (g_pads[i].joypad)
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{
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IDirectInputDevice8_Unacquire(g_pads[i].joypad);
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IDirectInputDevice8_Release(g_pads[i].joypad);
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}
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free(g_pads[i].joy_name);
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g_pads[i].joy_name = NULL;
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free(g_pads[i].joy_friendly_name);
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g_pads[i].joy_friendly_name = NULL;
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*settings->input.device_names[i] = '\0';
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}
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g_joypad_cnt = 0;
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memset(g_pads, 0, sizeof(g_pads));
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/* Can be blocked by global Dinput context. */
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dinput_destroy_context();
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}
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static BOOL CALLBACK enum_axes_cb(const DIDEVICEOBJECTINSTANCE *inst, void *p)
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{
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DIPROPRANGE range;
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LPDIRECTINPUTDEVICE8 joypad = (LPDIRECTINPUTDEVICE8)p;
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memset(&range, 0, sizeof(range));
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range.diph.dwSize = sizeof(DIPROPRANGE);
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range.diph.dwHeaderSize = sizeof(DIPROPHEADER);
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range.diph.dwHow = DIPH_BYID;
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range.diph.dwObj = inst->dwType;
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range.lMin = -0x7fff;
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range.lMax = 0x7fff;
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IDirectInputDevice8_SetProperty(joypad, DIPROP_RANGE, &range.diph);
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return DIENUM_CONTINUE;
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}
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/* Based on SDL2's implementation. */
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static bool guid_is_xinput_device(const GUID* product_guid)
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{
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unsigned i, num_raw_devs = 0;
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PRAWINPUTDEVICELIST raw_devs = NULL;
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/* Check for well known XInput device GUIDs,
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* thereby removing the need for the IG_ check.
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* This lets us skip RAWINPUT for popular devices.
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*
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* Also, we need to do this for the Valve Streaming Gamepad
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* because it's virtualized and doesn't show up in the device list. */
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for (i = 0; i < ARRAY_SIZE(common_xinput_guids); ++i)
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{
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if (memcmp(product_guid, &common_xinput_guids[i], sizeof(GUID)) == 0)
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return true;
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}
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/* Go through RAWINPUT (WinXP and later) to find HID devices. */
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if (!raw_devs)
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{
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if ((GetRawInputDeviceList(NULL, &num_raw_devs,
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sizeof(RAWINPUTDEVICELIST)) == (UINT)-1) || (!num_raw_devs))
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return false;
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raw_devs = (PRAWINPUTDEVICELIST)
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malloc(sizeof(RAWINPUTDEVICELIST) * num_raw_devs);
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if (!raw_devs)
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return false;
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if (GetRawInputDeviceList(raw_devs, &num_raw_devs,
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sizeof(RAWINPUTDEVICELIST)) == (UINT)-1)
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{
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free(raw_devs);
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raw_devs = NULL;
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return false;
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}
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}
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for (i = 0; i < num_raw_devs; i++)
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{
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RID_DEVICE_INFO rdi;
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char devName[128] = {0};
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UINT rdiSize = sizeof(rdi);
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UINT nameSize = sizeof(devName);
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rdi.cbSize = sizeof (rdi);
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if ((raw_devs[i].dwType == RIM_TYPEHID) &&
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(GetRawInputDeviceInfoA(raw_devs[i].hDevice, RIDI_DEVICEINFO, &rdi, &rdiSize) != ((UINT)-1)) &&
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(MAKELONG(rdi.hid.dwVendorId, rdi.hid.dwProductId) == ((LONG)product_guid->Data1)) &&
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(GetRawInputDeviceInfoA(raw_devs[i].hDevice, RIDI_DEVICENAME, devName, &nameSize) != ((UINT)-1)) &&
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(strstr(devName, "IG_") != NULL) )
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{
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free(raw_devs);
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raw_devs = NULL;
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return true;
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}
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}
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free(raw_devs);
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raw_devs = NULL;
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return false;
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}
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static const char *dinput_joypad_name(unsigned pad)
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{
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if (pad < MAX_USERS)
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return g_pads[pad].joy_name;
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return NULL;
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}
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static int32_t dinput_joypad_vid(unsigned pad)
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{
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return g_pads[pad].vid;
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}
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static int32_t dinput_joypad_pid(unsigned pad)
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{
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return g_pads[pad].pid;
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}
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static const char *dinput_joypad_friendly_name(unsigned pad)
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{
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if (pad < MAX_USERS)
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return g_pads[pad].joy_friendly_name;
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return NULL;
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}
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static BOOL CALLBACK enum_joypad_cb(const DIDEVICEINSTANCE *inst, void *p)
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{
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#ifdef HAVE_XINPUT
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bool is_xinput_pad;
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#endif
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LPDIRECTINPUTDEVICE8 *pad = NULL;
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driver_t *driver = driver_get_ptr();
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settings_t *settings = config_get_ptr();
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(void)p;
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if (g_joypad_cnt == MAX_USERS)
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return DIENUM_STOP;
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pad = &g_pads[g_joypad_cnt].joypad;
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#ifdef __cplusplus
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if (FAILED(IDirectInput8_CreateDevice(
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g_dinput_ctx, inst->guidInstance, pad, NULL)))
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#else
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if (FAILED(IDirectInput8_CreateDevice(
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g_dinput_ctx, &inst->guidInstance, pad, NULL)))
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#endif
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return DIENUM_CONTINUE;
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g_pads[g_joypad_cnt].joy_name = strdup(inst->tszProductName);
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g_pads[g_joypad_cnt].joy_friendly_name = strdup(inst->tszInstanceName);
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/* there may be more useful info in the GUID so leave this here for a while */
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#if 0
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printf("Guid = {%08lX-%04hX-%04hX-%02hhX%02hhX-%02hhX%02hhX%02hhX%02hhX%02hhX%02hhX}\n",
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inst->guidProduct.Data1, inst->guidProduct.Data2, inst->guidProduct.Data3,
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inst->guidProduct.Data4[0], inst->guidProduct.Data4[1], inst->guidProduct.Data4[2], inst->guidProduct.Data4[3],
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inst->guidProduct.Data4[4], inst->guidProduct.Data4[5], inst->guidProduct.Data4[6], inst->guidProduct.Data4[7]);
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#endif
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g_pads[g_joypad_cnt].vid = inst->guidProduct.Data1 % 0x10000;
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g_pads[g_joypad_cnt].pid = inst->guidProduct.Data1 / 0x10000;
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RARCH_LOG("Device #%u PID: {%04lX} VID:{%04lX}\n", g_joypad_cnt, g_pads[g_joypad_cnt].pid, g_pads[g_joypad_cnt].vid);
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#ifdef HAVE_XINPUT
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is_xinput_pad = g_xinput_block_pads
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&& guid_is_xinput_device(&inst->guidProduct);
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if (is_xinput_pad)
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{
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if (g_last_xinput_pad_idx < 4)
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g_xinput_pad_indexes[g_joypad_cnt] = g_last_xinput_pad_idx++;
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goto enum_iteration_done;
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}
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#endif
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IDirectInputDevice8_SetDataFormat(*pad, &c_dfDIJoystick2);
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IDirectInputDevice8_SetCooperativeLevel(*pad, (HWND)driver->video_window,
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DISCL_NONEXCLUSIVE | DISCL_BACKGROUND);
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IDirectInputDevice8_EnumObjects(*pad, enum_axes_cb,
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*pad, DIDFT_ABSAXIS);
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#ifdef HAVE_XINPUT
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if (!is_xinput_pad)
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#endif
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{
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autoconfig_params_t params = {{0}};
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strlcpy(settings->input.device_names[g_joypad_cnt],
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dinput_joypad_name(g_joypad_cnt),
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sizeof(settings->input.device_names[g_joypad_cnt]));
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params.idx = g_joypad_cnt;
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strlcpy(params.name, dinput_joypad_name(g_joypad_cnt), sizeof(params.name));
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strlcpy(params.display_name, dinput_joypad_friendly_name(g_joypad_cnt), sizeof(params.driver));
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strlcpy(params.driver, dinput_joypad.ident, sizeof(params.driver));
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params.vid = dinput_joypad_vid(g_joypad_cnt);
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params.pid = dinput_joypad_pid(g_joypad_cnt);
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input_config_autoconfigure_joypad(¶ms);
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settings->input.pid[g_joypad_cnt] = params.pid;
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settings->input.vid[g_joypad_cnt] = params.vid;
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}
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#ifdef HAVE_XINPUT
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enum_iteration_done:
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#endif
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g_joypad_cnt++;
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return DIENUM_CONTINUE;
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}
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static bool dinput_joypad_init(void *data)
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{
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unsigned i;
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(void)data;
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if (!dinput_init_context())
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return false;
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g_last_xinput_pad_idx = 0;
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for (i = 0; i < MAX_USERS; ++i)
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{
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g_xinput_pad_indexes[i] = -1;
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g_pads[i].joy_name = NULL;
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g_pads[i].joy_friendly_name = NULL;
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}
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RARCH_LOG("Enumerating DInput joypads ...\n");
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IDirectInput8_EnumDevices(g_dinput_ctx, DI8DEVCLASS_GAMECTRL,
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enum_joypad_cb, NULL, DIEDFL_ATTACHEDONLY);
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RARCH_LOG("Done enumerating DInput joypads ...\n");
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return true;
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}
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static bool dinput_joypad_button(unsigned port_num, uint16_t joykey)
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{
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const struct dinput_joypad *pad = NULL;
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if (joykey == NO_BTN)
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return false;
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pad = &g_pads[port_num];
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if (!pad->joypad)
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return false;
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/* Check hat. */
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if (GET_HAT_DIR(joykey))
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{
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unsigned pov;
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unsigned hat = GET_HAT(joykey);
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unsigned elems = sizeof(pad->joy_state.rgdwPOV) /
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sizeof(pad->joy_state.rgdwPOV[0]);
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if (hat >= elems)
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return false;
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pov = pad->joy_state.rgdwPOV[hat];
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/* Magic numbers I'm not sure where originate from. */
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if (pov < 36000)
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{
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switch (GET_HAT_DIR(joykey))
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{
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case HAT_UP_MASK:
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return (pov >= 31500) || (pov <= 4500);
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case HAT_RIGHT_MASK:
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return (pov >= 4500) && (pov <= 13500);
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case HAT_DOWN_MASK:
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return (pov >= 13500) && (pov <= 22500);
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case HAT_LEFT_MASK:
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return (pov >= 22500) && (pov <= 31500);
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}
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}
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return false;
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}
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else
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{
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unsigned elems = sizeof(pad->joy_state.rgbButtons) /
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sizeof(pad->joy_state.rgbButtons[0]);
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if (joykey < elems)
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return pad->joy_state.rgbButtons[joykey];
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}
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return false;
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}
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static int16_t dinput_joypad_axis(unsigned port_num, uint32_t joyaxis)
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{
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const struct dinput_joypad *pad = NULL;
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int val = 0;
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int axis = -1;
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bool is_neg = false;
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bool is_pos = false;
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if (joyaxis == AXIS_NONE)
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return 0;
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pad = &g_pads[port_num];
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if (!pad->joypad)
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return 0;
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if (AXIS_NEG_GET(joyaxis) <= 7)
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{
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axis = AXIS_NEG_GET(joyaxis);
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is_neg = true;
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}
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else if (AXIS_POS_GET(joyaxis) <= 7)
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{
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axis = AXIS_POS_GET(joyaxis);
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is_pos = true;
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}
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switch (axis)
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{
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case 0:
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val = pad->joy_state.lX;
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break;
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case 1:
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val = pad->joy_state.lY;
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break;
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case 2:
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val = pad->joy_state.lZ;
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break;
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case 3:
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val = pad->joy_state.lRx;
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break;
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case 4:
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val = pad->joy_state.lRy;
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break;
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case 5:
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val = pad->joy_state.lRz;
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break;
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case 6:
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val = pad->joy_state.rglSlider[0];
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break;
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case 7:
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val = pad->joy_state.rglSlider[1];
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break;
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}
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if (is_neg && val > 0)
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val = 0;
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else if (is_pos && val < 0)
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val = 0;
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return val;
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}
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static void dinput_joypad_poll(void)
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{
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unsigned i;
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for (i = 0; i < MAX_USERS; i++)
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{
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struct dinput_joypad *pad = &g_pads[i];
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bool polled = g_xinput_pad_indexes[i] < 0;
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if (!pad || !pad->joypad || !polled)
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continue;
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memset(&pad->joy_state, 0, sizeof(pad->joy_state));
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if (FAILED(IDirectInputDevice8_Poll(pad->joypad)))
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{
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if (FAILED(IDirectInputDevice8_Acquire(pad->joypad)))
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{
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memset(&pad->joy_state, 0, sizeof(DIJOYSTATE2));
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continue;
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}
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/* If this fails, something *really* bad must have happened. */
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if (FAILED(IDirectInputDevice8_Poll(pad->joypad)))
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{
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memset(&pad->joy_state, 0, sizeof(DIJOYSTATE2));
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continue;
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}
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}
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IDirectInputDevice8_GetDeviceState(pad->joypad,
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sizeof(DIJOYSTATE2), &pad->joy_state);
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}
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}
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static bool dinput_joypad_query_pad(unsigned pad)
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{
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return pad < MAX_USERS && g_pads[pad].joypad;
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}
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input_device_driver_t dinput_joypad = {
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dinput_joypad_init,
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dinput_joypad_query_pad,
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dinput_joypad_destroy,
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dinput_joypad_button,
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NULL,
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dinput_joypad_axis,
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dinput_joypad_poll,
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NULL,
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dinput_joypad_name,
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"dinput",
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};
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