mirror of
https://gitea.tendokyu.moe/Dniel97/segatools.git
synced 2024-11-28 06:50:49 +01:00
518 lines
14 KiB
C
518 lines
14 KiB
C
#include <windows.h>
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#include <dinput.h>
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#include <stddef.h>
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#include <stdint.h>
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#include <wchar.h>
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#include "swdcio/backend.h"
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#include "swdcio/config.h"
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#include "swdcio/di.h"
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#include "swdcio/di-dev.h"
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#include "swdcio/swdcio.h"
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#include "swdcio/wnd.h"
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#include "util/dprintf.h"
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#include "util/str.h"
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struct swdc_di_axis {
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wchar_t name[4];
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size_t off;
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};
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static HRESULT swdc_di_config_apply(const struct swdc_di_config *cfg);
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static const struct swdc_di_axis *swdc_di_get_axis(const wchar_t *name);
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static BOOL CALLBACK swdc_di_enum_callback(
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const DIDEVICEINSTANCEW *dev,
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void *ctx);
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static BOOL CALLBACK swdc_di_enum_callback_pedals(
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const DIDEVICEINSTANCEW *dev,
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void *ctx);
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static void swdc_di_get_buttons(uint16_t *gamebtn_out);
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static uint8_t swdc_di_decode_pov(DWORD pov);
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static void swdc_di_get_analogs(struct swdc_io_analog_state *out);
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static const struct swdc_di_axis swdc_di_axes[] = {
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/* Just map DIJOYSTATE for now, we can map DIJOYSTATE2 later if needed */
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{ .name = L"X", .off = DIJOFS_X },
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{ .name = L"Y", .off = DIJOFS_Y },
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{ .name = L"Z", .off = DIJOFS_Z },
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{ .name = L"RX", .off = DIJOFS_RX },
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{ .name = L"RY", .off = DIJOFS_RY },
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{ .name = L"RZ", .off = DIJOFS_RZ },
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{ .name = L"U", .off = DIJOFS_SLIDER(0) },
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{ .name = L"V", .off = DIJOFS_SLIDER(1) },
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};
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static const struct swdc_io_backend swdc_di_backend = {
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.get_gamebtns = swdc_di_get_buttons,
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.get_analogs = swdc_di_get_analogs,
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};
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static HWND swdc_di_wnd;
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static IDirectInput8W *swdc_di_api;
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static IDirectInputDevice8W *swdc_di_dev;
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static IDirectInputDevice8W *swdc_di_pedals;
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static IDirectInputEffect *swdc_di_fx;
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static size_t swdc_di_off_brake;
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static size_t swdc_di_off_accel;
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static uint8_t swdc_di_paddle_left;
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static uint8_t swdc_di_paddle_right;
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static uint8_t swdc_di_view_chg;
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static uint8_t swdc_di_start;
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static uint8_t swdc_di_wheel_green;
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static uint8_t swdc_di_wheel_red;
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static uint8_t swdc_di_wheel_blue;
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static uint8_t swdc_di_wheel_yellow;
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static bool swdc_di_use_pedals;
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static bool swdc_di_reverse_brake_axis;
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static bool swdc_di_reverse_accel_axis;
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static uint16_t swdc_di_center_spring_strength;
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HRESULT swdc_di_init(
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const struct swdc_di_config *cfg,
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HINSTANCE inst,
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const struct swdc_io_backend **backend)
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{
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HRESULT hr;
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HMODULE dinput8;
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HRESULT (WINAPI *api_entry)(HINSTANCE,DWORD,REFIID,LPVOID *,LPUNKNOWN);
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wchar_t dll_path[MAX_PATH];
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UINT path_pos;
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assert(cfg != NULL);
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assert(backend != NULL);
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*backend = NULL;
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hr = swdc_di_config_apply(cfg);
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if (FAILED(hr)) {
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return hr;
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}
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hr = swdc_io_wnd_create(inst, &swdc_di_wnd);
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if (FAILED(hr)) {
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return hr;
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}
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/* SWDC has some built-in DirectInput support that is not
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particularly useful. swdchook shorts this out by redirecting dinput8.dll
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to a no-op implementation of DirectInput. However, swdcio does need to
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talk to the real operating system implementation of DirectInput without
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the stub DLL interfering, so build a path to
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C:\Windows\System32\dinput.dll here. */
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dll_path[0] = L'\0';
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path_pos = GetSystemDirectoryW(dll_path, _countof(dll_path));
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wcscat_s(
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dll_path + path_pos,
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_countof(dll_path) - path_pos,
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L"\\dinput8.dll");
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dinput8 = LoadLibraryW(dll_path);
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if (dinput8 == NULL) {
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hr = HRESULT_FROM_WIN32(GetLastError());
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dprintf("DirectInput: LoadLibrary failed: %08x\n", (int) hr);
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return hr;
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}
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api_entry = (void *) GetProcAddress(dinput8, "DirectInput8Create");
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if (api_entry == NULL) {
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dprintf("DirectInput: GetProcAddress failed\n");
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return E_FAIL;
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}
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hr = api_entry(
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inst,
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DIRECTINPUT_VERSION,
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&IID_IDirectInput8W,
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(void **) &swdc_di_api,
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NULL);
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if (FAILED(hr)) {
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dprintf("DirectInput: API create failed: %08x\n", (int) hr);
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return hr;
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}
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hr = IDirectInput8_EnumDevices(
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swdc_di_api,
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DI8DEVCLASS_GAMECTRL,
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swdc_di_enum_callback,
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(void *) cfg,
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DIEDFL_ATTACHEDONLY);
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if (FAILED(hr)) {
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dprintf("DirectInput: EnumDevices failed: %08x\n", (int) hr);
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return hr;
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}
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if (swdc_di_dev == NULL) {
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dprintf("Wheel: Controller not found\n");
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return HRESULT_FROM_WIN32(ERROR_FILE_NOT_FOUND);
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}
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hr = swdc_di_dev_start(swdc_di_dev, swdc_di_wnd);
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if (FAILED(hr)) {
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return hr;
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}
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// Convert the strength from 0-100 to 0-10000 for DirectInput
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swdc_di_dev_start_fx(swdc_di_dev, &swdc_di_fx,
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swdc_di_center_spring_strength * 100);
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if (cfg->pedals_name[0] != L'\0') {
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hr = IDirectInput8_EnumDevices(
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swdc_di_api,
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DI8DEVCLASS_GAMECTRL,
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swdc_di_enum_callback_pedals,
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(void *) cfg,
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DIEDFL_ATTACHEDONLY);
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if (FAILED(hr)) {
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dprintf("DirectInput: EnumDevices failed: %08x\n", (int) hr);
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return hr;
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}
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if (swdc_di_dev == NULL) {
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dprintf("Pedals: Controller not found\n");
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return HRESULT_FROM_WIN32(ERROR_FILE_NOT_FOUND);
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}
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hr = swdc_di_dev_start(swdc_di_pedals, swdc_di_wnd);
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if (FAILED(hr)) {
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return hr;
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}
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swdc_di_use_pedals = true;
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} else {
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swdc_di_use_pedals = false;
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}
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dprintf("DirectInput: Controller initialized\n");
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*backend = &swdc_di_backend;
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return S_OK;
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}
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static HRESULT swdc_di_config_apply(const struct swdc_di_config *cfg)
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{
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const struct swdc_di_axis *brake_axis;
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const struct swdc_di_axis *accel_axis;
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int i;
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brake_axis = swdc_di_get_axis(cfg->brake_axis);
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accel_axis = swdc_di_get_axis(cfg->accel_axis);
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if (brake_axis == NULL) {
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dprintf("Wheel: Invalid brake axis: %S\n", cfg->brake_axis);
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return E_INVALIDARG;
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}
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if (accel_axis == NULL) {
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dprintf("Wheel: Invalid accel axis: %S\n", cfg->accel_axis);
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return E_INVALIDARG;
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}
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if (cfg->start > 32) {
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dprintf("Wheel: Invalid start button: %i\n", cfg->start);
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return E_INVALIDARG;
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}
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if (cfg->view_chg > 32) {
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dprintf("Wheel: Invalid view change button: %i\n", cfg->view_chg);
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return E_INVALIDARG;
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}
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if (cfg->paddle_left > 32) {
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dprintf("Wheel: Invalid left paddle button: %i\n", cfg->paddle_left);
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return E_INVALIDARG;
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}
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if (cfg->paddle_right > 32) {
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dprintf("Wheel: Invalid right paddle button: %i\n", cfg->paddle_right);
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return E_INVALIDARG;
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}
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if (cfg->wheel_green > 32) {
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dprintf("Wheel: Invalid steering wheel green button: %i\n", cfg->wheel_green);
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return E_INVALIDARG;
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}
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if (cfg->wheel_red > 32) {
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dprintf("Wheel: Invalid steering wheel red button: %i\n", cfg->wheel_red);
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return E_INVALIDARG;
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}
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if (cfg->wheel_blue > 32) {
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dprintf("Wheel: Invalid steering wheel blue button: %i\n", cfg->wheel_blue);
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return E_INVALIDARG;
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}
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if (cfg->wheel_yellow > 32) {
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dprintf("Wheel: Invalid steering wheel yellow button: %i\n", cfg->wheel_yellow);
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return E_INVALIDARG;
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}
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/* Print some debug output to make sure config works... */
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dprintf("Wheel: --- Begin configuration ---\n");
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dprintf("Wheel: Device name . . . . : Contains \"%S\"\n",
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cfg->device_name);
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if (cfg->pedals_name[0] == L'\0') {
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dprintf("Wheel: Brake axis . . . . : %S\n", brake_axis->name);
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dprintf("Wheel: Accel axis . . . . : %S\n", accel_axis->name);
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}
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dprintf("Wheel: Start button . . . . . : %i\n", cfg->start);
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dprintf("Wheel: View Change button . . : %i\n", cfg->view_chg);
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dprintf("Wheel: Paddle Left button . . : %i\n", cfg->paddle_left);
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dprintf("Wheel: Paddle Right button . : %i\n", cfg->paddle_right);
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dprintf("Wheel: Steering Green button : %i\n", cfg->wheel_green);
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dprintf("Wheel: Steering Red button . : %i\n", cfg->wheel_red);
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dprintf("Wheel: Steering Blue button . : %i\n", cfg->wheel_blue);
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dprintf("Wheel: Steering Yellow button : %i\n", cfg->wheel_yellow);
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dprintf("Wheel: Reverse Brake Axis . . : %i\n", cfg->reverse_brake_axis);
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dprintf("Wheel: Reverse Accel Axis . . : %i\n", cfg->reverse_accel_axis);
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dprintf("Wheel: --- End configuration ---\n");
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if (cfg->pedals_name[0] != L'\0') {
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dprintf("Pedals: --- Begin configuration ---\n");
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dprintf("Pedals: Device name . . . : Contains \"%S\"\n",
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cfg->pedals_name);
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dprintf("Pedals: Brake axis . . . . : %S\n", brake_axis->name);
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dprintf("Pedals: Accel axis . . . . : %S\n", accel_axis->name);
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dprintf("Pedals: --- End configuration ---\n");
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}
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swdc_di_off_brake = brake_axis->off;
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swdc_di_off_accel = accel_axis->off;
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swdc_di_start = cfg->start;
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swdc_di_view_chg = cfg->view_chg;
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swdc_di_paddle_left = cfg->paddle_left;
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swdc_di_paddle_right = cfg->paddle_right;
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swdc_di_wheel_green = cfg->wheel_green;
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swdc_di_wheel_red = cfg->wheel_red;
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swdc_di_wheel_blue = cfg->wheel_blue;
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swdc_di_wheel_yellow = cfg->wheel_yellow;
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swdc_di_reverse_brake_axis = cfg->reverse_brake_axis;
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swdc_di_reverse_accel_axis = cfg->reverse_accel_axis;
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// FFB configuration
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if (cfg->center_spring_strength < 0 || cfg->center_spring_strength > 100) {
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dprintf("Wheel: Invalid center spring strength: %i\n", cfg->center_spring_strength);
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return E_INVALIDARG;
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}
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swdc_di_center_spring_strength = cfg->center_spring_strength;
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return S_OK;
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}
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static const struct swdc_di_axis *swdc_di_get_axis(const wchar_t *name)
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{
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const struct swdc_di_axis *axis;
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size_t i;
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for (i = 0 ; i < _countof(swdc_di_axes) ; i++) {
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axis = &swdc_di_axes[i];
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if (wstr_ieq(name, axis->name)) {
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return axis;
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}
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}
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return NULL;
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}
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static BOOL CALLBACK swdc_di_enum_callback(
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const DIDEVICEINSTANCEW *dev,
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void *ctx)
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{
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const struct swdc_di_config *cfg;
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HRESULT hr;
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cfg = ctx;
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if (wcsstr(dev->tszProductName, cfg->device_name) == NULL) {
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return DIENUM_CONTINUE;
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}
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dprintf("Wheel: Using DirectInput device \"%S\"\n", dev->tszProductName);
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hr = IDirectInput8_CreateDevice(
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swdc_di_api,
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&dev->guidInstance,
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&swdc_di_dev,
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NULL);
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if (FAILED(hr)) {
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dprintf("Wheel: CreateDevice failed: %08x\n", (int) hr);
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}
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return DIENUM_STOP;
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}
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static BOOL CALLBACK swdc_di_enum_callback_pedals(
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const DIDEVICEINSTANCEW *dev,
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void *ctx)
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{
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const struct swdc_di_config *cfg;
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HRESULT hr;
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cfg = ctx;
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if (wcsstr(dev->tszProductName, cfg->pedals_name) == NULL) {
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return DIENUM_CONTINUE;
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}
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dprintf("Pedals: Using DirectInput device \"%S\"\n", dev->tszProductName);
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hr = IDirectInput8_CreateDevice(
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swdc_di_api,
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&dev->guidInstance,
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&swdc_di_pedals,
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NULL);
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if (FAILED(hr)) {
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dprintf("Pedals: CreateDevice failed: %08x\n", (int) hr);
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}
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return DIENUM_STOP;
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}
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static void swdc_di_get_buttons(uint16_t *gamebtn_out)
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{
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union swdc_di_state state;
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uint16_t gamebtn;
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HRESULT hr;
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assert(gamebtn_out != NULL);
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hr = swdc_di_dev_poll(swdc_di_dev, swdc_di_wnd, &state);
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if (FAILED(hr)) {
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return;
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}
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gamebtn = swdc_di_decode_pov(state.st.rgdwPOV[0]);
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if (swdc_di_start && state.st.rgbButtons[swdc_di_start - 1]) {
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gamebtn |= SWDC_IO_GAMEBTN_START;
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}
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if (swdc_di_view_chg && state.st.rgbButtons[swdc_di_view_chg - 1]) {
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gamebtn |= SWDC_IO_GAMEBTN_VIEW_CHANGE;
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}
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if (swdc_di_paddle_left && state.st.rgbButtons[swdc_di_paddle_left - 1]) {
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gamebtn |= SWDC_IO_GAMEBTN_STEERING_PADDLE_LEFT;
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}
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if (swdc_di_paddle_right && state.st.rgbButtons[swdc_di_paddle_right - 1]) {
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gamebtn |= SWDC_IO_GAMEBTN_STEERING_PADDLE_RIGHT;
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}
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if (swdc_di_wheel_green && state.st.rgbButtons[swdc_di_wheel_green - 1]) {
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gamebtn |= SWDC_IO_GAMEBTN_STEERING_GREEN;
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}
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if (swdc_di_wheel_red && state.st.rgbButtons[swdc_di_wheel_red - 1]) {
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gamebtn |= SWDC_IO_GAMEBTN_STEERING_RED;
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}
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if (swdc_di_wheel_blue && state.st.rgbButtons[swdc_di_wheel_blue - 1]) {
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gamebtn |= SWDC_IO_GAMEBTN_STEERING_BLUE;
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}
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if (swdc_di_wheel_yellow && state.st.rgbButtons[swdc_di_wheel_yellow - 1]) {
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gamebtn |= SWDC_IO_GAMEBTN_STEERING_YELLOW;
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}
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*gamebtn_out = gamebtn;
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}
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static uint8_t swdc_di_decode_pov(DWORD pov)
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{
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switch (pov) {
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case 0: return SWDC_IO_GAMEBTN_UP;
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case 4500: return SWDC_IO_GAMEBTN_UP | SWDC_IO_GAMEBTN_RIGHT;
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case 9000: return SWDC_IO_GAMEBTN_RIGHT;
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case 13500: return SWDC_IO_GAMEBTN_RIGHT | SWDC_IO_GAMEBTN_DOWN;
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case 18000: return SWDC_IO_GAMEBTN_DOWN;
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case 22500: return SWDC_IO_GAMEBTN_DOWN | SWDC_IO_GAMEBTN_LEFT;
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case 27000: return SWDC_IO_GAMEBTN_LEFT;
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case 31500: return SWDC_IO_GAMEBTN_LEFT | SWDC_IO_GAMEBTN_UP;
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default: return 0;
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}
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}
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static void swdc_di_get_analogs(struct swdc_io_analog_state *out)
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{
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union swdc_di_state state;
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union swdc_di_state pedals_state;
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const LONG *brake;
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const LONG *accel;
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HRESULT hr;
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assert(out != NULL);
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hr = swdc_di_dev_poll(swdc_di_dev, swdc_di_wnd, &state);
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if (FAILED(hr)) {
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return;
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}
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if (swdc_di_use_pedals) {
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hr = swdc_di_dev_poll(swdc_di_pedals, swdc_di_wnd, &pedals_state);
|
|
|
|
if (FAILED(hr)) {
|
|
return;
|
|
}
|
|
|
|
brake = (LONG *) &pedals_state.bytes[swdc_di_off_brake];
|
|
accel = (LONG *) &pedals_state.bytes[swdc_di_off_accel];
|
|
} else {
|
|
brake = (LONG *) &state.bytes[swdc_di_off_brake];
|
|
accel = (LONG *) &state.bytes[swdc_di_off_accel];
|
|
}
|
|
|
|
out->wheel = state.st.lX - 32768;
|
|
|
|
if (swdc_di_reverse_brake_axis) {
|
|
out->brake = *brake;
|
|
} else {
|
|
out->brake = 65535 - *brake;
|
|
}
|
|
|
|
if (swdc_di_reverse_accel_axis) {
|
|
out->accel = *accel;
|
|
} else {
|
|
out->accel = 65535 - *accel;
|
|
}
|
|
}
|