mirror of https://github.com/bsnes-emu/bsnes.git
219 lines
7.6 KiB
C++
219 lines
7.6 KiB
C++
#ifndef RUBY_INPUT_JOYPAD_DIRECTINPUT
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#define RUBY_INPUT_JOYPAD_DIRECTINPUT
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namespace ruby {
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BOOL CALLBACK DirectInput_EnumJoypadsCallback(const DIDEVICEINSTANCE* instance, void* p);
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BOOL CALLBACK DirectInput_EnumJoypadAxesCallback(const DIDEVICEOBJECTINSTANCE* instance, void* p);
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BOOL CALLBACK DirectInput_EnumJoypadEffectsCallback(const DIDEVICEOBJECTINSTANCE* instance, void* p);
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struct InputJoypadDirectInput {
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struct Joypad {
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HID::Joypad hid;
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LPDIRECTINPUTDEVICE8 device = nullptr;
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LPDIRECTINPUTEFFECT effect = nullptr;
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uint32_t pathID = 0;
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uint16_t vendorID = 0;
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uint16_t productID = 0;
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bool isXInputDevice = false;
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};
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vector<Joypad> joypads;
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uintptr_t handle = 0;
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LPDIRECTINPUT8 context = nullptr;
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LPDIRECTINPUTDEVICE8 device = nullptr;
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bool xinputAvailable = false;
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unsigned effects = 0;
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void assign(HID::Joypad& hid, unsigned groupID, unsigned inputID, int16_t value) {
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auto& group = hid.group[groupID];
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if(group.input[inputID].value == value) return;
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if(input.onChange) input.onChange(hid, groupID, inputID, group.input[inputID].value, value);
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group.input[inputID].value = value;
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}
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void poll(vector<HID::Device*>& devices) {
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for(auto& jp : joypads) {
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if(FAILED(jp.device->Poll())) jp.device->Acquire();
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DIJOYSTATE2 state;
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if(FAILED(jp.device->GetDeviceState(sizeof(DIJOYSTATE2), &state))) continue;
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for(unsigned n = 0; n < 4; n++) {
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assign(jp.hid, HID::Joypad::GroupID::Axis, 0, state.lX);
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assign(jp.hid, HID::Joypad::GroupID::Axis, 1, state.lY);
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assign(jp.hid, HID::Joypad::GroupID::Axis, 2, state.lZ);
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assign(jp.hid, HID::Joypad::GroupID::Axis, 3, state.lRx);
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assign(jp.hid, HID::Joypad::GroupID::Axis, 4, state.lRy);
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assign(jp.hid, HID::Joypad::GroupID::Axis, 5, state.lRz);
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unsigned pov = state.rgdwPOV[n];
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int16_t xaxis = 0;
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int16_t yaxis = 0;
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if(pov < 36000) {
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if(pov >= 31500 || pov <= 4500) yaxis = -32768;
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if(pov >= 4500 && pov <= 13500) xaxis = +32767;
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if(pov >= 13500 && pov <= 22500) yaxis = +32767;
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if(pov >= 22500 && pov <= 31500) xaxis = -32768;
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}
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assign(jp.hid, HID::Joypad::GroupID::Hat, n * 2 + 0, xaxis);
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assign(jp.hid, HID::Joypad::GroupID::Hat, n * 2 + 1, yaxis);
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}
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for(unsigned n = 0; n < 128; n++) {
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assign(jp.hid, HID::Joypad::GroupID::Button, n, (bool)state.rgbButtons[n]);
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}
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devices.append(&jp.hid);
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}
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}
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bool rumble(uint64_t id, bool enable) {
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for(auto& jp : joypads) {
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if(jp.hid.id != id) continue;
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if(jp.effect == nullptr) continue;
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if(enable) jp.effect->Start(1, 0);
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else jp.effect->Stop();
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return true;
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}
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return false;
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}
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bool init(uintptr_t handle, LPDIRECTINPUT8 context, bool xinputAvailable) {
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this->handle = handle;
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this->context = context;
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this->xinputAvailable = xinputAvailable;
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context->EnumDevices(DI8DEVCLASS_GAMECTRL, DirectInput_EnumJoypadsCallback, (void*)this, DIEDFL_ATTACHEDONLY);
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return true;
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}
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void term() {
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for(auto& jp : joypads) {
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jp.device->Unacquire();
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if(jp.effect) jp.effect->Release();
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jp.device->Release();
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}
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joypads.reset();
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context = nullptr;
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}
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bool initJoypad(const DIDEVICEINSTANCE* instance) {
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Joypad jp;
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jp.vendorID = instance->guidProduct.Data1 >> 0;
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jp.productID = instance->guidProduct.Data1 >> 16;
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jp.isXInputDevice = false;
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if(auto device = rawinput.find(jp.vendorID, jp.productID)) {
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jp.isXInputDevice = device().isXInputDevice;
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}
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//Microsoft has intentionally imposed artificial restrictions on XInput devices when used with DirectInput
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//a) the two triggers are merged into a single axis, making uniquely distinguishing them impossible
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//b) rumble support is not exposed
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//thus, it's always preferred to let the XInput driver handle these joypads
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//but if the driver is not available (XInput 1.3 does not ship with stock Windows XP), fall back on DirectInput
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if(jp.isXInputDevice && xinputAvailable) return DIENUM_CONTINUE;
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if(FAILED(context->CreateDevice(instance->guidInstance, &device, 0))) return DIENUM_CONTINUE;
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jp.device = device;
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device->SetDataFormat(&c_dfDIJoystick2);
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device->SetCooperativeLevel((HWND)handle, DISCL_NONEXCLUSIVE | DISCL_BACKGROUND);
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effects = 0;
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device->EnumObjects(DirectInput_EnumJoypadAxesCallback, (void*)this, DIDFT_ABSAXIS);
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device->EnumObjects(DirectInput_EnumJoypadEffectsCallback, (void*)this, DIDFT_FFACTUATOR);
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jp.hid.rumble = effects > 0;
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DIPROPGUIDANDPATH property;
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memset(&property, 0, sizeof(DIPROPGUIDANDPATH));
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property.diph.dwSize = sizeof(DIPROPGUIDANDPATH);
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property.diph.dwHeaderSize = sizeof(DIPROPHEADER);
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property.diph.dwObj = 0;
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property.diph.dwHow = DIPH_DEVICE;
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device->GetProperty(DIPROP_GUIDANDPATH, &property.diph);
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string devicePath = (const char*)utf8_t(property.wszPath);
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jp.pathID = Hash::CRC32(devicePath.data(), devicePath.size()).value();
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jp.hid.id = (uint64_t)jp.pathID << 32 | jp.vendorID << 16 | jp.productID << 0;
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if(jp.hid.rumble) {
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//disable auto-centering spring for rumble support
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DIPROPDWORD property;
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memset(&property, 0, sizeof(DIPROPDWORD));
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property.diph.dwSize = sizeof(DIPROPDWORD);
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property.diph.dwHeaderSize = sizeof(DIPROPHEADER);
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property.diph.dwObj = 0;
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property.diph.dwHow = DIPH_DEVICE;
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property.dwData = false;
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device->SetProperty(DIPROP_AUTOCENTER, &property.diph);
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DWORD dwAxes[2] = {DIJOFS_X, DIJOFS_Y};
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LONG lDirection[2] = {0, 0};
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DICONSTANTFORCE force;
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force.lMagnitude = DI_FFNOMINALMAX; //full force
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DIEFFECT effect;
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memset(&effect, 0, sizeof(DIEFFECT));
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effect.dwSize = sizeof(DIEFFECT);
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effect.dwFlags = DIEFF_CARTESIAN | DIEFF_OBJECTOFFSETS;
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effect.dwDuration = INFINITE;
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effect.dwSamplePeriod = 0;
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effect.dwGain = DI_FFNOMINALMAX;
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effect.dwTriggerButton = DIEB_NOTRIGGER;
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effect.dwTriggerRepeatInterval = 0;
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effect.cAxes = 2;
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effect.rgdwAxes = dwAxes;
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effect.rglDirection = lDirection;
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effect.lpEnvelope = 0;
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effect.cbTypeSpecificParams = sizeof(DICONSTANTFORCE);
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effect.lpvTypeSpecificParams = &force;
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effect.dwStartDelay = 0;
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device->CreateEffect(GUID_ConstantForce, &effect, &jp.effect, NULL);
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}
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for(unsigned n = 0; n < 6; n++) jp.hid.axis().append({n});
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for(unsigned n = 0; n < 8; n++) jp.hid.hat().append({n});
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for(unsigned n = 0; n < 128; n++) jp.hid.button().append({n});
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joypads.append(jp);
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return DIENUM_CONTINUE;
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}
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bool initAxis(const DIDEVICEOBJECTINSTANCE* instance) {
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DIPROPRANGE range;
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memset(&range, 0, sizeof(DIPROPRANGE));
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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 = instance->dwType;
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range.lMin = -32768;
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range.lMax = +32767;
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device->SetProperty(DIPROP_RANGE, &range.diph);
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return DIENUM_CONTINUE;
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}
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bool initEffect(const DIDEVICEOBJECTINSTANCE* instance) {
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effects++;
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return DIENUM_CONTINUE;
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}
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};
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BOOL CALLBACK DirectInput_EnumJoypadsCallback(const DIDEVICEINSTANCE* instance, void* p) {
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return ((InputJoypadDirectInput*)p)->initJoypad(instance);
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}
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BOOL CALLBACK DirectInput_EnumJoypadAxesCallback(const DIDEVICEOBJECTINSTANCE* instance, void* p) {
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return ((InputJoypadDirectInput*)p)->initAxis(instance);
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}
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BOOL CALLBACK DirectInput_EnumJoypadEffectsCallback(const DIDEVICEOBJECTINSTANCE* instance, void* p) {
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return ((InputJoypadDirectInput*)p)->initEffect(instance);
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}
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}
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#endif
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