Initial commit:

PhysX 3.4.0 Update @ 21294896
APEX 1.4.0 Update @ 21275617

[CL 21300167]

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;
+			}
+		}
+	}
+
+}
+