mirror of
https://gitea.tendokyu.moe/Dniel97/segatools.git
synced 2024-11-30 15:54:27 +01:00
507 lines
13 KiB
C
507 lines
13 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 "idzio/backend.h"
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#include "idzio/config.h"
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#include "idzio/di.h"
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#include "idzio/di-dev.h"
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#include "idzio/idzio.h"
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#include "idzio/shifter.h"
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#include "idzio/wnd.h"
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#include "util/dprintf.h"
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#include "util/str.h"
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struct idz_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 idz_di_config_apply(const struct idz_di_config *cfg);
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static const struct idz_di_axis *idz_di_get_axis(const wchar_t *name);
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static BOOL CALLBACK idz_di_enum_callback(
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const DIDEVICEINSTANCEW *dev,
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void *ctx);
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static BOOL CALLBACK idz_di_enum_callback_shifter(
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const DIDEVICEINSTANCEW *dev,
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void *ctx);
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static void idz_di_jvs_read_buttons(uint8_t *gamebtn_out);
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static uint8_t idz_di_decode_pov(DWORD pov);
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static void idz_di_jvs_read_shifter(uint8_t *gear);
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static void idz_di_jvs_read_shifter_pos(uint8_t *gear);
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static void idz_di_jvs_read_shifter_virt(uint8_t *gear);
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static void idz_di_jvs_read_analogs(struct idz_io_analog_state *out);
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static const struct idz_di_axis idz_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 idz_io_backend idz_di_backend = {
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.jvs_read_buttons = idz_di_jvs_read_buttons,
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.jvs_read_shifter = idz_di_jvs_read_shifter,
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.jvs_read_analogs = idz_di_jvs_read_analogs,
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};
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static HWND idz_di_wnd;
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static IDirectInput8W *idz_di_api;
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static IDirectInputDevice8W *idz_di_dev;
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static IDirectInputDevice8W *idz_di_shifter;
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static IDirectInputEffect *idz_di_fx;
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static size_t idz_di_off_brake;
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static size_t idz_di_off_accel;
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static uint8_t idz_di_shift_dn;
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static uint8_t idz_di_shift_up;
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static uint8_t idz_di_view_chg;
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static uint8_t idz_di_start;
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static uint8_t idz_di_gear[6];
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HRESULT idz_di_init(
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const struct idz_di_config *cfg,
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HINSTANCE inst,
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const struct idz_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 = idz_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 = idz_io_wnd_create(inst, &idz_di_wnd);
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if (FAILED(hr)) {
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return hr;
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}
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/* Initial D Zero has some built-in DirectInput support that is not
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particularly useful. We short this out by dropping a no-op dinput8.dll
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into the install directory. However, this DLL does need to talk to the
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real operating system implementation of DirectInput without the stub DLL
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interfering, so build a path to 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 **) &idz_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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idz_di_api,
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DI8DEVCLASS_GAMECTRL,
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idz_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 (idz_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 = idz_di_dev_start(idz_di_dev, idz_di_wnd);
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if (FAILED(hr)) {
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return hr;
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}
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idz_di_dev_start_fx(idz_di_dev, &idz_di_fx);
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if (cfg->shifter_name[0] != L'\0') {
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hr = IDirectInput8_EnumDevices(
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idz_di_api,
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DI8DEVCLASS_GAMECTRL,
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idz_di_enum_callback_shifter,
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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 (idz_di_dev == NULL) {
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dprintf("Shifter: 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 = idz_di_dev_start(idz_di_shifter, idz_di_wnd);
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if (FAILED(hr)) {
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return hr;
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}
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}
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dprintf("DirectInput: Controller initialized\n");
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*backend = &idz_di_backend;
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return S_OK;
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}
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static HRESULT idz_di_config_apply(const struct idz_di_config *cfg)
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{
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const struct idz_di_axis *brake_axis;
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const struct idz_di_axis *accel_axis;
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int i;
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brake_axis = idz_di_get_axis(cfg->brake_axis);
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accel_axis = idz_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->shift_dn > 32) {
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dprintf("Wheel: Invalid shift down button: %i\n", cfg->shift_dn);
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return E_INVALIDARG;
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}
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if (cfg->shift_up > 32) {
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dprintf("Wheel: Invalid shift up button: %i\n", cfg->shift_up);
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return E_INVALIDARG;
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}
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for (i = 0 ; i < 6 ; i++) {
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if (cfg->gear[i] > 32) {
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dprintf("Shifter: Invalid gear %i button: %i\n",
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i + 1,
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cfg->gear[i]);
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return E_INVALIDARG;
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}
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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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dprintf("Wheel: Brake axis . . . . : %S\n", accel_axis->name);
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dprintf("Wheel: Accelerator axis . : %S\n", brake_axis->name);
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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: Shift Down button . : %i\n", cfg->shift_dn);
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dprintf("Wheel: Shift Up button . . : %i\n", cfg->shift_up);
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dprintf("Wheel: --- End configuration ---\n");
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if (cfg->shifter_name[0] != L'\0') {
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dprintf("Shifter: --- Begin configuration ---\n");
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dprintf("Shifter: Device name . . . : Contains \"%S\"\n",
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cfg->shifter_name);
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dprintf("Shifter: Gear buttons . . : %i %i %i %i %i %i\n",
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cfg->gear[0],
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cfg->gear[1],
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cfg->gear[2],
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cfg->gear[3],
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cfg->gear[4],
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cfg->gear[5]);
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dprintf("Shifter: --- End configuration ---\n");
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}
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idz_di_off_brake = accel_axis->off;
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idz_di_off_accel = brake_axis->off;
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idz_di_start = cfg->start;
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idz_di_view_chg = cfg->view_chg;
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idz_di_shift_dn = cfg->shift_dn;
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idz_di_shift_up = cfg->shift_up;
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for (i = 0 ; i < 6 ; i++) {
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idz_di_gear[i] = cfg->gear[i];
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}
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return S_OK;
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}
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static const struct idz_di_axis *idz_di_get_axis(const wchar_t *name)
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{
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const struct idz_di_axis *axis;
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size_t i;
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for (i = 0 ; i < _countof(idz_di_axes) ; i++) {
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axis = &idz_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 idz_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 idz_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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idz_di_api,
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&dev->guidInstance,
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&idz_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 idz_di_enum_callback_shifter(
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const DIDEVICEINSTANCEW *dev,
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void *ctx)
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{
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const struct idz_di_config *cfg;
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HRESULT hr;
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cfg = ctx;
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if (wcsstr(dev->tszProductName, cfg->shifter_name) == NULL) {
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return DIENUM_CONTINUE;
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}
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dprintf("Shifter: Using DirectInput device \"%S\"\n", dev->tszProductName);
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hr = IDirectInput8_CreateDevice(
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idz_di_api,
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&dev->guidInstance,
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&idz_di_shifter,
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NULL);
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if (FAILED(hr)) {
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dprintf("Shifter: 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 idz_di_jvs_read_buttons(uint8_t *gamebtn_out)
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{
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union idz_di_state state;
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uint8_t gamebtn;
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HRESULT hr;
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assert(gamebtn_out != NULL);
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hr = idz_di_dev_poll(idz_di_dev, idz_di_wnd, &state);
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if (FAILED(hr)) {
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return;
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}
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gamebtn = idz_di_decode_pov(state.st.rgdwPOV[0]);
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if (idz_di_start && state.st.rgbButtons[idz_di_start - 1]) {
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gamebtn |= IDZ_IO_GAMEBTN_START;
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}
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if (idz_di_view_chg && state.st.rgbButtons[idz_di_view_chg - 1]) {
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gamebtn |= IDZ_IO_GAMEBTN_VIEW_CHANGE;
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}
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*gamebtn_out = gamebtn;
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}
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static uint8_t idz_di_decode_pov(DWORD pov)
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{
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switch (pov) {
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case 0: return IDZ_IO_GAMEBTN_UP;
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case 4500: return IDZ_IO_GAMEBTN_UP | IDZ_IO_GAMEBTN_RIGHT;
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case 9000: return IDZ_IO_GAMEBTN_RIGHT;
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case 13500: return IDZ_IO_GAMEBTN_RIGHT | IDZ_IO_GAMEBTN_DOWN;
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case 18000: return IDZ_IO_GAMEBTN_DOWN;
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case 22500: return IDZ_IO_GAMEBTN_DOWN | IDZ_IO_GAMEBTN_RIGHT;
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case 27000: return IDZ_IO_GAMEBTN_LEFT;
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case 31500: return IDZ_IO_GAMEBTN_LEFT | IDZ_IO_GAMEBTN_UP;
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default: return 0;
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}
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}
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static void idz_di_jvs_read_shifter(uint8_t *gear)
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{
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assert(gear != NULL);
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if (idz_di_shifter != NULL) {
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idz_di_jvs_read_shifter_pos(gear);
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} else {
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idz_di_jvs_read_shifter_virt(gear);
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}
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}
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static void idz_di_jvs_read_shifter_pos(uint8_t *out)
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{
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union idz_di_state state;
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uint8_t btn_no;
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uint8_t gear;
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uint8_t i;
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HRESULT hr;
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assert(out != NULL);
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assert(idz_di_shifter != NULL);
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hr = idz_di_dev_poll(idz_di_shifter, idz_di_wnd, &state);
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if (FAILED(hr)) {
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return;
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}
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gear = 0;
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for (i = 0 ; i < 6 ; i++) {
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btn_no = idz_di_gear[i];
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if (btn_no && state.st.rgbButtons[btn_no - 1]) {
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gear = i + 1;
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}
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}
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*out = gear;
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}
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static void idz_di_jvs_read_shifter_virt(uint8_t *gear)
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{
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union idz_di_state state;
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bool shift_dn;
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bool shift_up;
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HRESULT hr;
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assert(gear != NULL);
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hr = idz_di_dev_poll(idz_di_dev, idz_di_wnd, &state);
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if (FAILED(hr)) {
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return;
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}
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if (idz_di_shift_dn) {
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shift_dn = state.st.rgbButtons[idz_di_shift_dn - 1];
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} else {
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shift_dn = false;
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}
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if (idz_di_shift_up) {
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shift_up = state.st.rgbButtons[idz_di_shift_up - 1];
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} else {
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shift_up = false;
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}
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idz_shifter_update(shift_dn, shift_up);
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*gear = idz_shifter_current_gear();
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}
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static void idz_di_jvs_read_analogs(struct idz_io_analog_state *out)
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{
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union idz_di_state 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 = idz_di_dev_poll(idz_di_dev, idz_di_wnd, &state);
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if (FAILED(hr)) {
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return;
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}
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brake = (LONG *) &state.bytes[idz_di_off_brake];
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accel = (LONG *) &state.bytes[idz_di_off_accel];
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out->wheel = state.st.lX - 32768;
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out->brake = 65535 - *brake;
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out->accel = 65535 - *accel;
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}
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