Tendokyu/segatools-hay1tsme
1
0
Fork 0
mirror of https://gitea.tendokyu.moe/Hay1tsme/segatools.git synced 2024-11-25 01:40:11 +01:00
Code Releases Activity
e918795445
segatools-hay1tsme/idzio/di.c

503 lines
12 KiB
C
Raw Blame History

#include <windows.h>
#include <dinput.h>
#include <stddef.h>
#include <stdint.h>
#include <wchar.h>
#include "idzio/backend.h"
#include "idzio/config.h"
#include "idzio/di.h"
#include "idzio/di-dev.h"
#include "idzio/idzio.h"
#include "idzio/shifter.h"
#include "idzio/wnd.h"
#include "util/dprintf.h"
#include "util/str.h"
struct idz_di_axis {
wchar_t name[4];
size_t off;
};
static HRESULT idz_di_config_apply(const struct idz_di_config *cfg);
static const struct idz_di_axis *idz_di_get_axis(const wchar_t *name);
static BOOL idz_di_enum_callback(const DIDEVICEINSTANCEW *dev, void *ctx);
static BOOL idz_di_enum_callback_shifter(
const DIDEVICEINSTANCEW *dev,
void *ctx);
static void idz_di_jvs_read_buttons(uint8_t *gamebtn_out);
static uint8_t idz_di_decode_pov(DWORD pov);
static void idz_di_jvs_read_shifter(uint8_t *gear);
static void idz_di_jvs_read_shifter_pos(uint8_t *gear);
static void idz_di_jvs_read_shifter_virt(uint8_t *gear);
static void idz_di_jvs_read_analogs(struct idz_io_analog_state *out);
static const struct idz_di_axis idz_di_axes[] = {
/* Just map DIJOYSTATE for now, we can map DIJOYSTATE2 later if needed */
{ .name = L"X", .off = DIJOFS_X },
{ .name = L"Y", .off = DIJOFS_Y },
{ .name = L"Z", .off = DIJOFS_Z },
{ .name = L"RX", .off = DIJOFS_RX },
{ .name = L"RY", .off = DIJOFS_RY },
{ .name = L"RZ", .off = DIJOFS_RZ },
{ .name = L"U", .off = DIJOFS_SLIDER(0) },
{ .name = L"V", .off = DIJOFS_SLIDER(1) },
};
static const struct idz_io_backend idz_di_backend = {
.jvs_read_buttons = idz_di_jvs_read_buttons,
.jvs_read_shifter = idz_di_jvs_read_shifter,
.jvs_read_analogs = idz_di_jvs_read_analogs,
};
static HWND idz_di_wnd;
static IDirectInput8W *idz_di_api;
static IDirectInputDevice8W *idz_di_dev;
static IDirectInputDevice8W *idz_di_shifter;
static IDirectInputEffect *idz_di_fx;
static size_t idz_di_off_brake;
static size_t idz_di_off_accel;
static uint8_t idz_di_shift_dn;
static uint8_t idz_di_shift_up;
static uint8_t idz_di_view_chg;
static uint8_t idz_di_start;
static uint8_t idz_di_gear[6];
HRESULT idz_di_init(
const struct idz_di_config *cfg,
HINSTANCE inst,
const struct idz_io_backend **backend)
{
HRESULT hr;
HMODULE dinput8;
HRESULT WINAPI (*api_entry)(HINSTANCE,DWORD,REFIID,LPVOID *,LPUNKNOWN);
wchar_t dll_path[MAX_PATH];
UINT path_pos;
assert(cfg != NULL);
assert(backend != NULL);
*backend = NULL;
hr = idz_di_config_apply(cfg);
if (FAILED(hr)) {
return hr;
}
hr = idz_io_wnd_create(inst, &idz_di_wnd);
if (FAILED(hr)) {
return hr;
}
/* Initial D Zero has some built-in DirectInput support that is not
particularly useful. We short this out by dropping a no-op dinput8.dll
into the install directory. However, this DLL does need to talk to the
real operating system implementation of DirectInput without the stub DLL
interfering, so build a path to C:\Windows\System32\dinput.dll here. */
dll_path[0] = L'\0';
path_pos = GetSystemDirectoryW(dll_path, _countof(dll_path));
wcscat_s(
dll_path + path_pos,
_countof(dll_path) - path_pos,
L"\\dinput8.dll");
dinput8 = LoadLibraryW(dll_path);
if (dinput8 == NULL) {
hr = HRESULT_FROM_WIN32(GetLastError());
dprintf("DirectInput: LoadLibrary failed: %08x\n", (int) hr);
return hr;
}
api_entry = (void *) GetProcAddress(dinput8, "DirectInput8Create");
if (api_entry == NULL) {
dprintf("DirectInput: GetProcAddress failed\n");
return E_FAIL;
}
hr = api_entry(
inst,
DIRECTINPUT_VERSION,
&IID_IDirectInput8W,
(void **) &idz_di_api,
NULL);
if (FAILED(hr)) {
dprintf("DirectInput: API create failed: %08x\n", (int) hr);
return hr;
}
hr = IDirectInput8_EnumDevices(
idz_di_api,
DI8DEVCLASS_GAMECTRL,
idz_di_enum_callback,
(void *) cfg,
DIEDFL_ATTACHEDONLY);
if (FAILED(hr)) {
dprintf("DirectInput: EnumDevices failed: %08x\n", (int) hr);
return hr;
}
if (idz_di_dev == NULL) {
dprintf("Wheel: Controller not found\n");
return HRESULT_FROM_WIN32(ERROR_FILE_NOT_FOUND);
}
hr = idz_di_dev_start(idz_di_dev, idz_di_wnd);
if (FAILED(hr)) {
return hr;
}
idz_di_dev_start_fx(idz_di_dev, &idz_di_fx);
if (cfg->shifter_name[0] != L'\0') {
hr = IDirectInput8_EnumDevices(
idz_di_api,
DI8DEVCLASS_GAMECTRL,
idz_di_enum_callback_shifter,
(void *) cfg,
DIEDFL_ATTACHEDONLY);
if (FAILED(hr)) {
dprintf("DirectInput: EnumDevices failed: %08x\n", (int) hr);
return hr;
}
if (idz_di_dev == NULL) {
dprintf("Shifter: Controller not found\n");
return HRESULT_FROM_WIN32(ERROR_FILE_NOT_FOUND);
}
hr = idz_di_dev_start(idz_di_shifter, idz_di_wnd);
if (FAILED(hr)) {
return hr;
}
}
dprintf("DirectInput: Controller initialized\n");
*backend = &idz_di_backend;
return S_OK;
}
static HRESULT idz_di_config_apply(const struct idz_di_config *cfg)
{
const struct idz_di_axis *brake_axis;
const struct idz_di_axis *accel_axis;
int i;
brake_axis = idz_di_get_axis(cfg->brake_axis);
accel_axis = idz_di_get_axis(cfg->accel_axis);
if (brake_axis == NULL) {
dprintf("Wheel: Invalid brake axis: %S\n", cfg->brake_axis);
return E_INVALIDARG;
}
if (accel_axis == NULL) {
dprintf("Wheel: Invalid accel axis: %S\n", cfg->accel_axis);
return E_INVALIDARG;
}
if (cfg->start > 32) {
dprintf("Wheel: Invalid start button: %i\n", cfg->start);
return E_INVALIDARG;
}
if (cfg->view_chg > 32) {
dprintf("Wheel: Invalid view change button: %i\n", cfg->view_chg);
return E_INVALIDARG;
}
if (cfg->shift_dn > 32) {
dprintf("Wheel: Invalid shift down button: %i\n", cfg->shift_dn);
return E_INVALIDARG;
}
if (cfg->shift_up > 32) {
dprintf("Wheel: Invalid shift up button: %i\n", cfg->shift_up);
return E_INVALIDARG;
}
for (i = 0 ; i < 6 ; i++) {
if (cfg->gear[i] > 32) {
dprintf("Shifter: Invalid gear %i button: %i\n",
i + 1,
cfg->gear[i]);
return E_INVALIDARG;
}
}
/* Print some debug output to make sure config works... */
dprintf("Wheel: --- Begin configuration ---\n");
dprintf("Wheel: Device name . . . . : Contains \"%S\"\n",
cfg->device_name);
dprintf("Wheel: Brake axis . . . . : %S\n", accel_axis->name);
dprintf("Wheel: Accelerator axis . : %S\n", brake_axis->name);
dprintf("Wheel: Start button . . . : %i\n", cfg->start);
dprintf("Wheel: View Change button : %i\n", cfg->view_chg);
dprintf("Wheel: Shift Down button . : %i\n", cfg->shift_dn);
dprintf("Wheel: Shift Up button . . : %i\n", cfg->shift_up);
dprintf("Wheel: --- End configuration ---\n");
if (cfg->shifter_name[0] != L'\0') {
dprintf("Shifter: --- Begin configuration ---\n");
dprintf("Shifter: Device name . . . : Contains \"%S\"\n",
cfg->shifter_name);
dprintf("Shifter: Gear buttons . . : %i %i %i %i %i %i\n",
cfg->gear[0],
cfg->gear[1],
cfg->gear[2],
cfg->gear[3],
cfg->gear[4],
cfg->gear[5]);
dprintf("Shifter: --- End configuration ---\n");
}
idz_di_off_brake = accel_axis->off;
idz_di_off_accel = brake_axis->off;
idz_di_start = cfg->start;
idz_di_view_chg = cfg->view_chg;
idz_di_shift_dn = cfg->shift_dn;
idz_di_shift_up = cfg->shift_up;
for (i = 0 ; i < 6 ; i++) {
idz_di_gear[i] = cfg->gear[i];
}
return S_OK;
}
static const struct idz_di_axis *idz_di_get_axis(const wchar_t *name)
{
const struct idz_di_axis *axis;
size_t i;
for (i = 0 ; i < _countof(idz_di_axes) ; i++) {
axis = &idz_di_axes[i];
if (wstr_ieq(name, axis->name)) {
return axis;
}
}
return NULL;
}
static BOOL idz_di_enum_callback(const DIDEVICEINSTANCEW *dev, void *ctx)
{
const struct idz_di_config *cfg;
HRESULT hr;
cfg = ctx;
if (wcsstr(dev->tszProductName, cfg->device_name) == NULL) {
return DIENUM_CONTINUE;
}
dprintf("Wheel: Using DirectInput device \"%S\"\n", dev->tszProductName);
hr = IDirectInput8_CreateDevice(
idz_di_api,
&dev->guidInstance,
&idz_di_dev,
NULL);
if (FAILED(hr)) {
dprintf("Wheel: CreateDevice failed: %08x\n", (int) hr);
}
return DIENUM_STOP;
}
static BOOL idz_di_enum_callback_shifter(
const DIDEVICEINSTANCEW *dev,
void *ctx)
{
const struct idz_di_config *cfg;
HRESULT hr;
cfg = ctx;
if (wcsstr(dev->tszProductName, cfg->shifter_name) == NULL) {
return DIENUM_CONTINUE;
}
dprintf("Shifter: Using DirectInput device \"%S\"\n", dev->tszProductName);
hr = IDirectInput8_CreateDevice(
idz_di_api,
&dev->guidInstance,
&idz_di_shifter,
NULL);
if (FAILED(hr)) {
dprintf("Shifter: CreateDevice failed: %08x\n", (int) hr);
}
return DIENUM_STOP;
}
static void idz_di_jvs_read_buttons(uint8_t *gamebtn_out)
{
union idz_di_state state;
uint8_t gamebtn;
HRESULT hr;
assert(gamebtn_out != NULL);
hr = idz_di_dev_poll(idz_di_dev, idz_di_wnd, &state);
if (FAILED(hr)) {
return;
}
gamebtn = idz_di_decode_pov(state.st.rgdwPOV[0]);
if (idz_di_start && state.st.rgbButtons[idz_di_start - 1]) {
gamebtn |= IDZ_IO_GAMEBTN_START;
}
if (idz_di_view_chg && state.st.rgbButtons[idz_di_view_chg - 1]) {
gamebtn |= IDZ_IO_GAMEBTN_VIEW_CHANGE;
}
*gamebtn_out = gamebtn;
}
static uint8_t idz_di_decode_pov(DWORD pov)
{
switch (pov) {
case 0: return IDZ_IO_GAMEBTN_UP;
case 4500: return IDZ_IO_GAMEBTN_UP | IDZ_IO_GAMEBTN_RIGHT;
case 9000: return IDZ_IO_GAMEBTN_RIGHT;
case 13500: return IDZ_IO_GAMEBTN_RIGHT | IDZ_IO_GAMEBTN_DOWN;
case 18000: return IDZ_IO_GAMEBTN_DOWN;
case 22500: return IDZ_IO_GAMEBTN_DOWN | IDZ_IO_GAMEBTN_RIGHT;
case 27000: return IDZ_IO_GAMEBTN_LEFT;
case 31500: return IDZ_IO_GAMEBTN_LEFT | IDZ_IO_GAMEBTN_UP;
default: return 0;
}
}
static void idz_di_jvs_read_shifter(uint8_t *gear)
{
assert(gear != NULL);
if (idz_di_shifter != NULL) {
idz_di_jvs_read_shifter_pos(gear);
} else {
idz_di_jvs_read_shifter_virt(gear);
}
}
static void idz_di_jvs_read_shifter_pos(uint8_t *out)
{
union idz_di_state state;
uint8_t btn_no;
uint8_t gear;
uint8_t i;
HRESULT hr;
assert(out != NULL);
assert(idz_di_shifter != NULL);
hr = idz_di_dev_poll(idz_di_shifter, idz_di_wnd, &state);
if (FAILED(hr)) {
return;
}
gear = 0;
for (i = 0 ; i < 6 ; i++) {
btn_no = idz_di_gear[i];
if (btn_no && state.st.rgbButtons[btn_no - 1]) {
gear = i + 1;
}
}
*out = gear;
}
static void idz_di_jvs_read_shifter_virt(uint8_t *gear)
{
union idz_di_state state;
bool shift_dn;
bool shift_up;
HRESULT hr;
assert(gear != NULL);
hr = idz_di_dev_poll(idz_di_dev, idz_di_wnd, &state);
if (FAILED(hr)) {
return;
}
if (idz_di_shift_dn) {
shift_dn = state.st.rgbButtons[idz_di_shift_dn - 1];
} else {
shift_dn = false;
}
if (idz_di_shift_up) {
shift_up = state.st.rgbButtons[idz_di_shift_up - 1];
} else {
shift_up = false;
}
idz_shifter_update(shift_dn, shift_up);
*gear = idz_shifter_current_gear();
}
static void idz_di_jvs_read_analogs(struct idz_io_analog_state *out)
{
union idz_di_state state;
const LONG *brake;
const LONG *accel;
HRESULT hr;
assert(out != NULL);
hr = idz_di_dev_poll(idz_di_dev, idz_di_wnd, &state);
if (FAILED(hr)) {
return;
}
brake = (LONG *) &state.bytes[idz_di_off_brake];
accel = (LONG *) &state.bytes[idz_di_off_accel];
out->wheel = state.st.lX - 32768;
out->brake = 65535 - *brake;
out->accel = 65535 - *accel;
}
View Git Blame Copy Permalink