Merge branch 'master' into stable

1 files changed, 281 insertions, 0 deletions

diff --git a/Source/Core/InputCommon/ControllerInterface/DInput/DInputJoystick.cpp b/Source/Core/InputCommon/ControllerInterface/DInput/DInputJoystick.cpp
new file mode 100644
index 0000000000..aa1e972126
--- /dev/null
+++ b/Source/Core/InputCommon/ControllerInterface/DInput/DInputJoystick.cpp
@@ -0,0 +1,281 @@
+// Copyright 2010 Dolphin Emulator Project
+// Licensed under GPLv2+
+// Refer to the license.txt file included.
+
+#include <algorithm>
+#include <map>
+#include <sstream>
+
+#include "InputCommon/ControllerInterface/DInput/DInput.h"
+#include "InputCommon/ControllerInterface/DInput/DInputJoystick.h"
+#include "InputCommon/ControllerInterface/DInput/XInputFilter.h"
+
+namespace ciface
+{
+namespace DInput
+{
+
+#define DATA_BUFFER_SIZE 32
+
+void InitJoystick(IDirectInput8* const idi8, std::vector<Core::Device*>& devices, HWND hwnd)
+{
+	std::list<DIDEVICEINSTANCE> joysticks;
+	idi8->EnumDevices(DI8DEVCLASS_GAMECTRL, DIEnumDevicesCallback, (LPVOID)&joysticks, DIEDFL_ATTACHEDONLY);
+
+	// this is used to number the joysticks
+	// multiple joysticks with the same name shall get unique ids starting at 0
+	std::map< std::basic_string<TCHAR>, int> name_counts;
+
+	std::vector<DWORD> xinput_guids;
+	GetXInputGUIDS(&xinput_guids);
+
+	for (DIDEVICEINSTANCE& joystick : joysticks)
+	{
+		// skip XInput Devices
+		if (std::find(xinput_guids.begin(), xinput_guids.end(), joystick.guidProduct.Data1) != xinput_guids.end())
+		{
+			continue;
+		}
+
+		LPDIRECTINPUTDEVICE8 js_device;
+		if (SUCCEEDED(idi8->CreateDevice(joystick.guidInstance, &js_device, nullptr)))
+		{
+			if (SUCCEEDED(js_device->SetDataFormat(&c_dfDIJoystick)))
+			{
+				if (FAILED(js_device->SetCooperativeLevel(GetAncestor(hwnd, GA_ROOT), DISCL_BACKGROUND | DISCL_EXCLUSIVE)))
+				{
+					//PanicAlert("SetCooperativeLevel(DISCL_EXCLUSIVE) failed!");
+					// fall back to non-exclusive mode, with no rumble
+					if (FAILED(js_device->SetCooperativeLevel(nullptr, DISCL_BACKGROUND | DISCL_NONEXCLUSIVE)))
+					{
+						//PanicAlert("SetCooperativeLevel failed!");
+						js_device->Release();
+						continue;
+					}
+				}
+
+				Joystick* js = new Joystick(/*&*i, */js_device, name_counts[joystick.tszInstanceName]++);
+				// only add if it has some inputs/outputs
+				if (js->Inputs().size() || js->Outputs().size())
+					devices.push_back(js);
+				else
+					delete js;
+			}
+			else
+			{
+				//PanicAlert("SetDataFormat failed!");
+				js_device->Release();
+			}
+		}
+	}
+}
+
+Joystick::Joystick( /*const LPCDIDEVICEINSTANCE lpddi, */const LPDIRECTINPUTDEVICE8 device, const unsigned int index )
+	: m_device(device)
+	, m_index(index)
+	//, m_name(TStringToString(lpddi->tszInstanceName))
+{
+	// seems this needs to be done before GetCapabilities
+	// polled or buffered data
+	DIPROPDWORD dipdw;
+	dipdw.diph.dwSize = sizeof(DIPROPDWORD);
+	dipdw.diph.dwHeaderSize = sizeof(DIPROPHEADER);
+	dipdw.diph.dwObj = 0;
+	dipdw.diph.dwHow = DIPH_DEVICE;
+	dipdw.dwData = DATA_BUFFER_SIZE;
+	// set the buffer size,
+	// if we can't set the property, we can't use buffered data
+	m_buffered = SUCCEEDED(m_device->SetProperty(DIPROP_BUFFERSIZE, &dipdw.diph));
+
+	// seems this needs to be done after SetProperty of buffer size
+	m_device->Acquire();
+
+	// get joystick caps
+	DIDEVCAPS js_caps;
+	js_caps.dwSize = sizeof(js_caps);
+	if (FAILED(m_device->GetCapabilities(&js_caps)))
+		return;
+
+	// max of 32 buttons and 4 hats / the limit of the data format I am using
+	js_caps.dwButtons = std::min((DWORD)32, js_caps.dwButtons);
+	js_caps.dwPOVs = std::min((DWORD)4, js_caps.dwPOVs);
+
+	//m_must_poll = (js_caps.dwFlags & DIDC_POLLEDDATAFORMAT) != 0;
+
+	// buttons
+	for (u8 i = 0; i != js_caps.dwButtons; ++i)
+		AddInput(new Button(i, m_state_in.rgbButtons[i]));
+
+	// hats
+	for (u8 i = 0; i != js_caps.dwPOVs; ++i)
+	{
+		// each hat gets 4 input instances associated with it, (up down left right)
+		for (u8 d = 0; d != 4; ++d)
+			AddInput(new Hat(i, m_state_in.rgdwPOV[i], d));
+	}
+
+	// get up to 6 axes and 2 sliders
+	DIPROPRANGE range;
+	range.diph.dwSize = sizeof(range);
+	range.diph.dwHeaderSize = sizeof(range.diph);
+	range.diph.dwHow = DIPH_BYOFFSET;
+	// screw EnumObjects, just go through all the axis offsets and try to GetProperty
+	// this should be more foolproof, less code, and probably faster
+	for (unsigned int offset = 0; offset < DIJOFS_BUTTON(0) / sizeof(LONG); ++offset)
+	{
+		range.diph.dwObj = offset * sizeof(LONG);
+		// try to set some nice power of 2 values (128) to match the GameCube controls
+		range.lMin = -(1 << 7);
+		range.lMax = (1 << 7);
+		m_device->SetProperty(DIPROP_RANGE, &range.diph);
+		// but I guess not all devices support setting range
+		// so I getproperty right afterward incase it didn't set.
+		// This also checks that the axis is present
+		if (SUCCEEDED(m_device->GetProperty(DIPROP_RANGE, &range.diph)))
+		{
+			const LONG base = (range.lMin + range.lMax) / 2;
+			const LONG& ax = (&m_state_in.lX)[offset];
+
+			// each axis gets a negative and a positive input instance associated with it
+			AddAnalogInputs(new Axis(offset, ax, base, range.lMin-base),
+				new Axis(offset, ax, base, range.lMax-base));
+		}
+	}
+
+	// force feedback
+	std::list<DIDEVICEOBJECTINSTANCE> objects;
+	if (SUCCEEDED(m_device->EnumObjects(DIEnumDeviceObjectsCallback, (LPVOID)&objects, DIDFT_AXIS)))
+	{
+		InitForceFeedback(m_device, (int)objects.size());
+	}
+
+	ZeroMemory(&m_state_in, sizeof(m_state_in));
+	// set hats to center
+	memset(m_state_in.rgdwPOV, 0xFF, sizeof(m_state_in.rgdwPOV));
+}
+
+Joystick::~Joystick()
+{
+	m_device->Unacquire();
+	m_device->Release();
+}
+
+std::string Joystick::GetName() const
+{
+	return GetDeviceName(m_device);
+}
+
+int Joystick::GetId() const
+{
+	return m_index;
+}
+
+std::string Joystick::GetSource() const
+{
+	return DINPUT_SOURCE_NAME;
+}
+
+// update IO
+
+void Joystick::UpdateInput()
+{
+	HRESULT hr = 0;
+
+	// just always poll,
+	// MSDN says if this isn't needed it doesn't do anything
+	m_device->Poll();
+
+	if (m_buffered)
+	{
+		DIDEVICEOBJECTDATA evtbuf[DATA_BUFFER_SIZE];
+		DWORD numevents = DATA_BUFFER_SIZE;
+		hr = m_device->GetDeviceData(sizeof(*evtbuf), evtbuf, &numevents, 0);
+
+		if (SUCCEEDED(hr))
+		{
+			for (LPDIDEVICEOBJECTDATA evt = evtbuf; evt != (evtbuf + numevents); ++evt)
+			{
+				// all the buttons are at the end of the data format
+				// they are bytes rather than longs
+				if (evt->dwOfs < DIJOFS_BUTTON(0))
+					*(DWORD*)(((BYTE*)&m_state_in) + evt->dwOfs) = evt->dwData;
+				else
+					((BYTE*)&m_state_in)[evt->dwOfs] = (BYTE)evt->dwData;
+			}
+
+			// seems like this needs to be done maybe...
+			if (DI_BUFFEROVERFLOW == hr)
+				hr = m_device->GetDeviceState(sizeof(m_state_in), &m_state_in);
+		}
+	}
+	else
+	{
+		hr = m_device->GetDeviceState(sizeof(m_state_in), &m_state_in);
+	}
+
+	// try reacquire if input lost
+	if (DIERR_INPUTLOST == hr || DIERR_NOTACQUIRED == hr)
+		m_device->Acquire();
+}
+
+// get name
+
+std::string Joystick::Button::GetName() const
+{
+	std::ostringstream ss;
+	ss << "Button " << (int)m_index;
+	return ss.str();
+}
+
+std::string Joystick::Axis::GetName() const
+{
+	std::ostringstream ss;
+	// axis
+	if (m_index < 6)
+	{
+		ss << "Axis " << (char)('X' + (m_index % 3));
+		if (m_index > 2)
+			ss << 'r';
+	}
+	// slider
+	else
+	{
+		ss << "Slider " << (int)(m_index - 6);
+	}
+
+	ss << (m_range < 0 ? '-' : '+');
+	return ss.str();
+}
+
+std::string Joystick::Hat::GetName() const
+{
+	static char tmpstr[] = "Hat . .";
+	tmpstr[4] = (char)('0' + m_index);
+	tmpstr[6] = "NESW"[m_direction];
+	return tmpstr;
+}
+
+// get / set state
+
+ControlState Joystick::Axis::GetState() const
+{
+	return std::max(0.0, ControlState(m_axis - m_base) / m_range);
+}
+
+ControlState Joystick::Button::GetState() const
+{
+	return ControlState(m_button > 0);
+}
+
+ControlState Joystick::Hat::GetState() const
+{
+	// can this func be simplified ?
+	// hat centered code from MSDN
+	if (0xFFFF == LOWORD(m_hat))
+		return 0;
+
+	return (abs((int)(m_hat / 4500 - m_direction * 2 + 8) % 8 - 4) > 2);
+}
+
+}
+}