mirror of
https://github.com/libretro/ppsspp.git
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263 lines
6.9 KiB
C++
263 lines
6.9 KiB
C++
// Copyright (c) 2012- PPSSPP Project.
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, version 2.0 or later versions.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License 2.0 for more details.
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// A copy of the GPL 2.0 should have been included with the program.
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// If not, see http://www.gnu.org/licenses/
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// Official git repository and contact information can be found at
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// https://github.com/hrydgard/ppsspp and http://www.ppsspp.org/.
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#include <limits.h>
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#include <algorithm>
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#include "Core/HLE/sceCtrl.h"
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#include "DinputDevice.h"
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#include "ControlMapping.h"
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#include "Core/Config.h"
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#include "input/input_state.h"
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#include "base/NativeApp.h"
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#include "input/keycodes.h"
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#include "Core/Reporting.h"
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#include "Xinput.h"
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#pragma comment(lib,"dinput8.lib")
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#ifdef min
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#undef min
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#undef max
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#endif
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// In order from 0. There can be 128, but most controllers do not have that many.
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static const int dinput_buttons[] = {
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KEYCODE_BUTTON_1,
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KEYCODE_BUTTON_2,
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KEYCODE_BUTTON_3,
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KEYCODE_BUTTON_4,
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KEYCODE_BUTTON_5,
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KEYCODE_BUTTON_6,
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KEYCODE_BUTTON_7,
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KEYCODE_BUTTON_8,
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KEYCODE_BUTTON_9,
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KEYCODE_BUTTON_10,
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KEYCODE_BUTTON_11,
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KEYCODE_BUTTON_12,
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KEYCODE_BUTTON_13,
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KEYCODE_BUTTON_14,
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KEYCODE_BUTTON_15,
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KEYCODE_BUTTON_16,
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};
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static float NormalizedDeadzoneFilter(short value);
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#define DIFF (JOY_POVRIGHT - JOY_POVFORWARD) / 2
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#define JOY_POVFORWARD_RIGHT JOY_POVFORWARD + DIFF
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#define JOY_POVRIGHT_BACKWARD JOY_POVRIGHT + DIFF
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#define JOY_POVBACKWARD_LEFT JOY_POVBACKWARD + DIFF
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#define JOY_POVLEFT_FORWARD JOY_POVLEFT + DIFF
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struct XINPUT_DEVICE_NODE {
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DWORD dwVidPid;
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XINPUT_DEVICE_NODE* pNext;
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};
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XINPUT_DEVICE_NODE* g_pXInputDeviceList = NULL;
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bool IsXInputDevice( const GUID* pGuidProductFromDirectInput ) {
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XINPUT_DEVICE_NODE* pNode = g_pXInputDeviceList;
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while( pNode )
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{
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if( pNode->dwVidPid == pGuidProductFromDirectInput->Data1 )
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return true;
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pNode = pNode->pNext;
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}
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return false;
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}
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DinputDevice::DinputDevice() {
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pJoystick = NULL;
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pDI = NULL;
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memset(lastButtons_, 0, sizeof(lastButtons_));
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memset(lastPOV_, 0, sizeof(lastPOV_));
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last_lX_ = 0;
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last_lY_ = 0;
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last_lZ_ = 0;
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last_lRx_ = 0;
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last_lRy_ = 0;
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last_lRz_ = 0;
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if(FAILED(DirectInput8Create(GetModuleHandle(NULL),DIRECTINPUT_VERSION,IID_IDirectInput8,(void**)&pDI,NULL)))
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return;
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if(FAILED(pDI->CreateDevice(GUID_Joystick, &pJoystick, NULL ))) {
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pDI->Release();
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pDI = NULL;
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return;
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}
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if(FAILED(pJoystick->SetDataFormat(&c_dfDIJoystick2))) {
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pJoystick->Release();
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pJoystick = NULL;
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return;
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}
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// Ignore if device supports XInput
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DIDEVICEINSTANCE dinfo = {0};
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pJoystick->GetDeviceInfo(&dinfo);
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if (IsXInputDevice(&dinfo.guidProduct)) {
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pDI->Release();
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pDI = NULL;
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pJoystick->Release();
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pJoystick = NULL;
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}
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DIPROPRANGE diprg;
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diprg.diph.dwSize = sizeof(DIPROPRANGE);
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diprg.diph.dwHeaderSize = sizeof(DIPROPHEADER);
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diprg.diph.dwHow = DIPH_DEVICE;
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diprg.diph.dwObj = 0;
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diprg.lMin = -10000;
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diprg.lMax = 10000;
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analog = FAILED(pJoystick->SetProperty(DIPROP_RANGE, &diprg.diph)) ? false : true;
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// Other devices suffer if the deadzone is not set.
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// TODO: The dead zone will be made configurable in the Control dialog.
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DIPROPDWORD dipw;
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dipw.diph.dwSize = sizeof(DIPROPDWORD);
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dipw.diph.dwHeaderSize = sizeof(DIPROPHEADER);
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dipw.diph.dwHow = DIPH_DEVICE;
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dipw.diph.dwObj = 0;
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// dwData 1000 is deadzone(0% - 10%)
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dipw.dwData = 1000;
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analog |= FAILED(pJoystick->SetProperty(DIPROP_DEADZONE, &dipw.diph)) ? false : true;
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}
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DinputDevice::~DinputDevice() {
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if (pJoystick) {
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pJoystick->Release();
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pJoystick = NULL;
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}
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if (pDI) {
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pDI->Release();
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pDI = NULL;
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}
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}
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void SendNativeAxis(int deviceId, short value, short &lastValue, int axisId) {
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if (value == lastValue)
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return;
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AxisInput axis;
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axis.deviceId = deviceId;
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axis.axisId = axisId;
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axis.value = NormalizedDeadzoneFilter(value);
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NativeAxis(axis);
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lastValue = value;
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}
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int DinputDevice::UpdateState(InputState &input_state) {
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if (!pJoystick) return -1;
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DIJOYSTATE2 js;
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if (FAILED(pJoystick->Poll())) {
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if(pJoystick->Acquire() == DIERR_INPUTLOST)
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return -1;
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}
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if(FAILED(pJoystick->GetDeviceState(sizeof(DIJOYSTATE2), &js)))
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return -1;
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ApplyButtons(js, input_state);
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if (analog) {
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AxisInput axis;
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axis.deviceId = DEVICE_ID_PAD_0;
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SendNativeAxis(DEVICE_ID_PAD_0, js.lX, last_lX_, JOYSTICK_AXIS_X);
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SendNativeAxis(DEVICE_ID_PAD_0, js.lY, last_lY_, JOYSTICK_AXIS_Y);
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SendNativeAxis(DEVICE_ID_PAD_0, js.lZ, last_lZ_, JOYSTICK_AXIS_Z);
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SendNativeAxis(DEVICE_ID_PAD_0, js.lRx, last_lRx_, JOYSTICK_AXIS_RX);
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SendNativeAxis(DEVICE_ID_PAD_0, js.lRy, last_lRy_, JOYSTICK_AXIS_RY);
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SendNativeAxis(DEVICE_ID_PAD_0, js.lRz, last_lRz_, JOYSTICK_AXIS_RZ);
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}
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return UPDATESTATE_SKIP_PAD;
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}
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static float NormalizedDeadzoneFilter(short value) {
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float result = (float)value / 10000.0f;
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// Expand and clamp. Hack to let us reach the corners on most pads.
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result = std::min(1.0f, std::max(result * 1.2f, -1.0f));
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return result;
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}
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void DinputDevice::ApplyButtons(DIJOYSTATE2 &state, InputState &input_state) {
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BYTE *buttons = state.rgbButtons;
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u32 downMask = 0x80;
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for (int i = 0; i < ARRAY_SIZE(dinput_buttons); ++i) {
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if (state.rgbButtons[i] == lastButtons_[i]) {
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continue;
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}
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bool down = (state.rgbButtons[i] & downMask) == downMask;
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KeyInput key;
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key.deviceId = DEVICE_ID_PAD_0;
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key.flags = down ? KEY_DOWN : KEY_UP;
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key.keyCode = dinput_buttons[i];
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NativeKey(key);
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lastButtons_[i] = state.rgbButtons[i];
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}
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// Now the POV hat, which can technically go in any degree but usually does not.
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if (LOWORD(state.rgdwPOV[0]) != lastPOV_[0]) {
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KeyInput dpad[4];
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for (int i = 0; i < 4; ++i) {
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dpad[i].deviceId = DEVICE_ID_PAD_0;
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dpad[i].flags = KEY_UP;
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}
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dpad[0].keyCode = KEYCODE_DPAD_UP;
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dpad[1].keyCode = KEYCODE_DPAD_LEFT;
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dpad[2].keyCode = KEYCODE_DPAD_DOWN;
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dpad[3].keyCode = KEYCODE_DPAD_RIGHT;
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if (LOWORD(state.rgdwPOV[0]) != JOY_POVCENTERED) {
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// These are the edges, so we use or.
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if (state.rgdwPOV[0] >= JOY_POVLEFT_FORWARD || state.rgdwPOV[0] <= JOY_POVFORWARD_RIGHT) {
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dpad[0].flags = KEY_DOWN;
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}
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if (state.rgdwPOV[0] >= JOY_POVBACKWARD_LEFT && state.rgdwPOV[0] <= JOY_POVLEFT_FORWARD) {
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dpad[1].flags = KEY_DOWN;
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}
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if (state.rgdwPOV[0] >= JOY_POVRIGHT_BACKWARD && state.rgdwPOV[0] <= JOY_POVBACKWARD_LEFT) {
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dpad[2].flags = KEY_DOWN;
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}
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if (state.rgdwPOV[0] >= JOY_POVFORWARD_RIGHT && state.rgdwPOV[0] <= JOY_POVRIGHT_BACKWARD) {
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dpad[3].flags = KEY_DOWN;
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}
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}
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NativeKey(dpad[0]);
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NativeKey(dpad[1]);
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NativeKey(dpad[2]);
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NativeKey(dpad[3]);
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lastPOV_[0] = LOWORD(state.rgdwPOV[0]);
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}
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}
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