diff options
Diffstat (limited to 'KaplaDemo/samples/sampleViewer3/SampleViewerGamepad.cpp')
| -rw-r--r-- | KaplaDemo/samples/sampleViewer3/SampleViewerGamepad.cpp | 211 |
1 files changed, 211 insertions, 0 deletions
diff --git a/KaplaDemo/samples/sampleViewer3/SampleViewerGamepad.cpp b/KaplaDemo/samples/sampleViewer3/SampleViewerGamepad.cpp new file mode 100644 index 00000000..ef6404c4 --- /dev/null +++ b/KaplaDemo/samples/sampleViewer3/SampleViewerGamepad.cpp @@ -0,0 +1,211 @@ +#include "SampleViewerGamepad.h" +#include "SampleViewerScene.h" + +#include <stdio.h> +#include <direct.h> + +#include "PsString.h" + +////////////////////////////////////////////////////////////////////////// + +static bool gTimeInit = false; +static const unsigned int MAX_GAMEPADS = 4; +static const unsigned int MAX_GAMEPAD_AXES = 4; +static XINPUT_STATE m_lastInputState[MAX_GAMEPADS]; +static int m_lastAxisData[MAX_GAMEPADS][MAX_GAMEPAD_AXES]; + +////////////////////////////////////////////////////////////////////////// + +SampleViewerGamepad::SampleViewerGamepad() + : mGamePadConnected(false), mConnectedPad(0), mXInputLibrary(), mpXInputGetState(0), mpXInputGetCapabilities(0) +{ +} + +////////////////////////////////////////////////////////////////////////// +SampleViewerGamepad::~SampleViewerGamepad() +{ + release(); +} + +////////////////////////////////////////////////////////////////////////// + +void SampleViewerGamepad::init() +{ + static const unsigned int xInputLibCount = 4; + static const char* xInputLibs[xInputLibCount] = { "xinput1_4.dll", + "xinput1_3.dll", + "xinput1_2.dll", + "xinput1_1.dll" }; + for (unsigned int i = 0; i < xInputLibCount; ++i) + { + mXInputLibrary = LoadLibraryA(xInputLibs[i]); + if (mXInputLibrary) + break; + } + + if(!mXInputLibrary) + { + physx::shdfnd::printString("Could not load XInput library."); + } + + if (mXInputLibrary) + { + mpXInputGetState = (LPXINPUTGETSTATE)GetProcAddress(mXInputLibrary, "XInputGetState"); + mpXInputGetCapabilities = (LPXINPUTGETCAPABILITIES)GetProcAddress(mXInputLibrary, "XInputGetCapabilities"); + if(!mpXInputGetState) + { + physx::shdfnd::printString("Error loading XInputGetState function."); + } + + if(!mpXInputGetCapabilities) + { + physx::shdfnd::printString("Error loading XInputGetCapabilities function."); + } + } +} + +////////////////////////////////////////////////////////////////////////// + +void SampleViewerGamepad::release() +{ + if (mXInputLibrary) + { + FreeLibrary(mXInputLibrary); + mXInputLibrary = 0; + } + + mpXInputGetState = 0; + mpXInputGetCapabilities = 0; + mGamePadConnected = false; + mConnectedPad = 0; +} + +////////////////////////////////////////////////////////////////////////// + +void SampleViewerGamepad::processGamepads(SampleViewerScene& viewerScene) +{ + if (!gTimeInit) + { + gTimeInit = true; + + for (unsigned int p = 0; p < MAX_GAMEPADS; p++) + { + memset(&m_lastInputState[p], 0, sizeof(XINPUT_STATE)); + for (unsigned int i = 0; i < MAX_GAMEPAD_AXES; i++) + { + m_lastAxisData[p][i] = 0; + } + } + } + + static int32_t disConnected[4] = { 1, 2, 3, 4 }; + + if (!hasXInput()) + return; + + for (uint32_t p = 0; p < MAX_GAMEPADS; p++) + { + if ((--disConnected[p]) == 0) + { + XINPUT_STATE inputState; + DWORD state = mpXInputGetState(p, &inputState); + if (state == ERROR_DEVICE_NOT_CONNECTED) + { + disConnected[p] = 4; + if (mGamePadConnected && (mConnectedPad == p)) + { + mGamePadConnected = false; + mConnectedPad = 0; + for (uint32_t k = 0; k < MAX_GAMEPADS; k++) + { + XINPUT_STATE inputStateDisc; + DWORD stateDisc = mpXInputGetState(k, &inputStateDisc); + if (stateDisc == ERROR_SUCCESS) + { + mConnectedPad = k; + mGamePadConnected = true; + break; + } + } + } + } + else if (state == ERROR_SUCCESS) + { + if (!mGamePadConnected) + { + mGamePadConnected = true; + mConnectedPad = p; + } + + disConnected[p] = 1; //force to test next time + XINPUT_CAPABILITIES caps; + mpXInputGetCapabilities(p, XINPUT_FLAG_GAMEPAD, &caps); + + //gamepad + { + // Process buttons + const WORD lastWButtons = m_lastInputState[p].Gamepad.wButtons; + const WORD currWButtons = inputState.Gamepad.wButtons; + + const WORD buttonsDown = currWButtons & ~lastWButtons; + const WORD buttonsUp = ~currWButtons & lastWButtons; + // const WORD buttonsHeld = currWButtons & lastWButtons; + + for (int i = 0; i < 14; i++) + { + // order has to match struct GamepadControls + static const WORD buttonMasks[] = { + XINPUT_GAMEPAD_DPAD_UP, + XINPUT_GAMEPAD_DPAD_DOWN, + XINPUT_GAMEPAD_DPAD_LEFT, + XINPUT_GAMEPAD_DPAD_RIGHT, + XINPUT_GAMEPAD_START, + XINPUT_GAMEPAD_BACK, + XINPUT_GAMEPAD_LEFT_THUMB, + XINPUT_GAMEPAD_RIGHT_THUMB, + XINPUT_GAMEPAD_Y, + XINPUT_GAMEPAD_A, + XINPUT_GAMEPAD_X, + XINPUT_GAMEPAD_B, + XINPUT_GAMEPAD_LEFT_SHOULDER, + XINPUT_GAMEPAD_RIGHT_SHOULDER, + }; + + if (buttonsDown & buttonMasks[i]) + viewerScene.handleGamepadButton(i, true); + else if (buttonsUp & buttonMasks[i]) + viewerScene.handleGamepadButton(i, false); + } + + { + const BYTE newTriggerVal = inputState.Gamepad.bRightTrigger; + viewerScene.handleGamepadTrigger(GamepadTrigger::GAMEPAD_RIGHT_SHOULDER_TRIGGER, ((float)newTriggerVal) / 255); + } + { + const BYTE newTriggerVal = inputState.Gamepad.bLeftTrigger; + viewerScene.handleGamepadTrigger(GamepadTrigger::GAMEPAD_LEFT_SHOULDER_TRIGGER, ((float)newTriggerVal) / 255); + } + } + + // Gamepad + const int axisData[] = { inputState.Gamepad.sThumbRX, inputState.Gamepad.sThumbRY, inputState.Gamepad.sThumbLX, inputState.Gamepad.sThumbLY }; + for (uint32_t i = 0; i < MAX_GAMEPAD_AXES; i++) + { + if (axisData[i] != m_lastAxisData[p][i]) + { + int data = axisData[i]; + if (abs(data) < XINPUT_GAMEPAD_LEFT_THUMB_DEADZONE) + { + data = 0; + } + viewerScene.handleGamepadAxis(i, ((float)data) / SHRT_MAX); + } + m_lastAxisData[p][i] = axisData[i]; + } + m_lastInputState[p] = inputState; + } + } + } + +} + |