PPJoy in DLL

git-svn-id: svn+ssh://svn.code.sf.net/p/facetracknoir/code@66 19e81ba0-9b1a-49c3-bd6c-561e1906d5fb

1 files changed, 364 insertions, 0 deletions

diff --git a/FTNoIR_Protocol_PPJOY/FTNoIR_Protocol_PPJOY.cpp b/FTNoIR_Protocol_PPJOY/FTNoIR_Protocol_PPJOY.cpp
new file mode 100644
index 00000000..a94680a2
--- /dev/null
+++ b/FTNoIR_Protocol_PPJOY/FTNoIR_Protocol_PPJOY.cpp
@@ -0,0 +1,364 @@
+/********************************************************************************

+* FaceTrackNoIR		This program is a private project of the some enthusiastic	*

+*					gamers from Holland, who don't like to pay much for			*

+*					head-tracking.												*

+*																				*

+* Copyright (C) 2010	Wim Vriend (Developing)									*

+*						Ron Hendriks (Researching and Testing)					*

+*																				*

+* Homepage																		*

+*																				*

+* This program is free software; you can redistribute it and/or modify it		*

+* under the terms of the GNU General Public License as published by the			*

+* Free Software Foundation; either version 3 of the License, or (at your		*

+* option) any later version.													*

+*																				*

+* This program is distributed in the hope that it will be useful, but			*

+* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY	*

+* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for	*

+* more details.																	*

+*																				*

+* You should have received a copy of the GNU General Public License along		*

+* with this program; if not, see <http://www.gnu.org/licenses/>.				*

+*																				*

+* PPJoyServer		PPJoyServer is the Class, that communicates headpose-data	*

+*					to the Virtual Joystick, created by Deon van der Westhuysen.*

+********************************************************************************/

+/*

+	Modifications (last one on top):

+	20110401 - WVR: Moved protocol to a DLL, convenient for installation etc.

+	20101224 - WVR: Base class is no longer inheriting QThread. sendHeadposeToGame

+					is called from run() of Tracker.cpp

+*/

+#include "ftnoir_protocol_ppjoy.h"

+

+static const char* DevName = "\\\\.\\PPJoyIOCTL";

+

+/** constructor **/

+FTNoIR_Protocol_PPJOY::FTNoIR_Protocol_PPJOY()

+{

+char strDevName[100];

+

+	// Initialize arrays

+	for (int i = 0;i < 3;i++) {

+		centerPos[i] = 0;

+		centerRot[i] = 0;

+	}

+	selectedPPJoy = 1;

+	loadSettings();

+

+	/* Open a handle to the control device for the first virtual joystick. */

+	/* Virtual joystick devices are named PPJoyIOCTL1 to PPJoyIOCTL16. */

+	sprintf_s(strDevName, "%s%d", DevName, selectedPPJoy);

+	h = CreateFileA((LPCSTR) strDevName,GENERIC_WRITE,FILE_SHARE_WRITE,NULL,OPEN_EXISTING,0,NULL);

+

+	/* Make sure we could open the device! */

+	if (h == INVALID_HANDLE_VALUE)

+	{

+		QMessageBox::critical(0, "Connection Failed", QString("FaceTrackNoIR failed to connect to Virtual Joystick %1.\nCheck if it was properly installed!").arg(selectedPPJoy));

+		return;

+	}

+}

+

+/** destructor **/

+FTNoIR_Protocol_PPJOY::~FTNoIR_Protocol_PPJOY()

+{

+	/* Make sure we could open the device! */

+	if (h == INVALID_HANDLE_VALUE) {

+		return;

+	}

+

+	//

+	// Free the Virtual Joystick

+	//

+	CloseHandle(h);

+}

+

+/** helper to Auto-destruct **/

+void FTNoIR_Protocol_PPJOY::Release()

+{

+    delete this;

+}

+

+void FTNoIR_Protocol_PPJOY::Initialize()

+{

+	return;

+}

+

+//

+// Limit the Joystick values

+//

+void FTNoIR_Protocol_PPJOY::checkAnalogLimits() {

+	for (int i = 0;i < NUM_ANALOG;i++) {

+		if (Analog[i]>PPJOY_AXIS_MAX) {

+			Analog[i]=PPJOY_AXIS_MAX;

+		}

+		else if (Analog[i]<PPJOY_AXIS_MIN) {

+			Analog[i]=PPJOY_AXIS_MIN;

+		}

+	}

+}

+

+//

+// Scale the measured value to the Joystick values

+//

+long FTNoIR_Protocol_PPJOY::scale2AnalogLimits( float x, float min_x, float max_x ) {

+double y;

+

+	y = ((PPJOY_AXIS_MAX - PPJOY_AXIS_MIN)/(max_x - min_x)) * x + ((PPJOY_AXIS_MAX - PPJOY_AXIS_MIN)/2) + PPJOY_AXIS_MIN;

+//	qDebug() << "scale2AnalogLimits says: long_y =" << y;

+

+	return (long) y;

+}

+

+//

+// Load the current Settings from the currently 'active' INI-file.

+//

+void FTNoIR_Protocol_PPJOY::loadSettings() {

+	QSettings settings("Abbequerque Inc.", "FaceTrackNoIR");	// Registry settings (in HK_USER)

+

+	QString currentFile = settings.value ( "SettingsFile", QCoreApplication::applicationDirPath() + "/Settings/default.ini" ).toString();

+	QSettings iniFile( currentFile, QSettings::IniFormat );		// Application settings (in INI-file)

+

+	iniFile.beginGroup ( "PPJoy" );

+	selectedPPJoy = iniFile.value ( "Selection", 1 ).toInt();

+	iniFile.endGroup ();

+}

+

+//

+// Update Headpose in Game.

+//

+void FTNoIR_Protocol_PPJOY::sendHeadposeToGame( T6DOF *headpose ) {

+float virtPosX;

+float virtPosY;

+float virtPosZ;

+

+float virtRotX;

+float virtRotY;

+float virtRotZ;

+

+	//

+	// Copy the Raw measurements.

+	//

+	virtRotX = headpose->position.pitch;

+	virtRotY = headpose->position.yaw;

+	virtRotZ = headpose->position.roll;

+

+	virtPosX = headpose->position.x;

+	virtPosY = headpose->position.y;

+	virtPosZ = headpose->position.z;

+

+	/* Initialise the IOCTL data structure */

+	JoyState.Signature= JOYSTICK_STATE_V1;

+	JoyState.NumAnalog= NUM_ANALOG;					// Number of analog values

+	Analog= JoyState.Analog;						// Keep a pointer to the analog array for easy updating

+	Digital= JoyState.Digital;						// Keep a pointer to the digital array for easy updating

+	JoyState.NumDigital= NUM_DIGITAL;				// Number of digital values

+

+	/* Make sure we could open the device! */

+	/* MessageBox in run() does not work! (runtime error...)*/

+	if (h == INVALID_HANDLE_VALUE) {

+		return;

+	}

+

+	// The effective angle for faceTracking will be < 90 degrees, so we assume a smaller range here

+	Analog[0] = scale2AnalogLimits( virtRotX, -50.0f, 50.0f );						// Pitch

+	Analog[1] = scale2AnalogLimits( virtRotY, -50.0f, 50.0f );						// Yaw

+	Analog[2] = scale2AnalogLimits( virtRotZ, -50.0f, 50.0f );						// Roll

+

+	// The effective movement for faceTracking will be < 50 cm, so we assume a smaller range here

+	Analog[3] = scale2AnalogLimits( virtPosX, -40.0f, 40.0f );						// X

+

+	Analog[4] = scale2AnalogLimits( virtPosY, -40.0f, 40.0f );						// Y

+	Analog[5] = scale2AnalogLimits( virtPosZ, -40.0f, 40.0f );						// Z

+

+	checkAnalogLimits();

+

+	/* Send request to PPJoy for processing. */

+	/* Currently there is no Return Code from PPJoy, this may be added at a */

+	/* later stage. So we pass a 0 byte output buffer.                      */

+	if (!DeviceIoControl( h, IOCTL_PPORTJOY_SET_STATE, &JoyState, sizeof(JoyState), NULL, 0, &RetSize, NULL))

+	{

+		return;

+	}

+}

+

+//

+// Returns 'true' if all seems OK.

+//

+bool FTNoIR_Protocol_PPJOY::checkServerInstallationOK( HANDLE handle )

+{   

+	/* Make sure we could open the device! */

+	if (h == INVALID_HANDLE_VALUE) {

+		return false;

+	}

+	return true;

+}

+

+////////////////////////////////////////////////////////////////////////////////

+// Factory function that creates instances if the Protocol object.

+

+// Export both decorated and undecorated names.

+//   GetProtocol     - Undecorated name, which can be easily used with GetProcAddress

+//                Win32 API function.

+//   _GetProtocol@0  - Common name decoration for __stdcall functions in C language.

+#pragma comment(linker, "/export:GetProtocol=_GetProtocol@0")

+

+FTNOIR_PROTOCOL_BASE_EXPORT PROTOCOLHANDLE __stdcall GetProtocol()

+{

+	return new FTNoIR_Protocol_PPJOY;

+}

+

+//*******************************************************************************************************

+// FaceTrackNoIR Client Settings-dialog.

+//*******************************************************************************************************

+

+//

+// Constructor for server-settings-dialog

+//

+PPJOYControls::PPJOYControls() :

+QWidget()

+{

+	ui.setupUi( this );

+

+	// Connect Qt signals to member-functions

+	connect(ui.btnOK, SIGNAL(clicked()), this, SLOT(doOK()));

+	connect(ui.btnCancel, SIGNAL(clicked()), this, SLOT(doCancel()));

+	connect(ui.cbxSelectPPJoyNumber, SIGNAL(currentIndexChanged(int)), this, SLOT(virtualJoystickSelected( int )));

+

+	for (int i = 1 ; i < 17; i++) {

+		QString cbxText = QString("Virtual Joystick %1").arg(i);

+		ui.cbxSelectPPJoyNumber->addItem(QIcon("images/PPJoy.ico"), cbxText);

+	}

+	// Load the settings from the current .INI-file

+	loadSettings();

+}

+

+//

+// Destructor for server-dialog

+//

+PPJOYControls::~PPJOYControls() {

+	qDebug() << "~PPJOYControls() says: started";

+}

+

+void PPJOYControls::Release()

+{

+    delete this;

+}

+

+//

+// Initialize tracker-client-dialog

+//

+void PPJOYControls::Initialize(QWidget *parent) {

+

+	QPoint offsetpos(100, 100);

+	if (parent) {

+		this->move(parent->pos() + offsetpos);

+	}

+	show();

+}

+

+//

+// OK clicked on server-dialog

+//

+void PPJOYControls::doOK() {

+	save();

+	this->close();

+}

+

+// override show event

+void PPJOYControls::showEvent ( QShowEvent * event ) {

+	loadSettings();

+}

+

+//

+// Cancel clicked on server-dialog

+//

+void PPJOYControls::doCancel() {

+	//

+	// Ask if changed Settings should be saved

+	//

+	if (settingsDirty) {

+		int ret = QMessageBox::question ( this, "Settings have changed", "Do you want to save the settings?", QMessageBox::Save | QMessageBox::Discard | QMessageBox::Cancel, QMessageBox::Discard );

+

+		qDebug() << "doCancel says: answer =" << ret;

+

+		switch (ret) {

+			case QMessageBox::Save:

+				save();

+				this->close();

+				break;

+			case QMessageBox::Discard:

+				this->close();

+				break;

+			case QMessageBox::Cancel:

+				// Cancel was clicked

+				break;

+			default:

+				// should never be reached

+			break;

+		}

+	}

+	else {

+		this->close();

+	}

+}

+

+//

+// Load the current Settings from the currently 'active' INI-file.

+//

+void PPJOYControls::loadSettings() {

+	qDebug() << "loadSettings says: Starting ";

+	QSettings settings("Abbequerque Inc.", "FaceTrackNoIR");	// Registry settings (in HK_USER)

+

+	QString currentFile = settings.value ( "SettingsFile", QCoreApplication::applicationDirPath() + "/Settings/default.ini" ).toString();

+	QSettings iniFile( currentFile, QSettings::IniFormat );		// Application settings (in INI-file)

+

+	qDebug() << "loadSettings says: iniFile = " << currentFile;

+

+	iniFile.beginGroup ( "PPJoy" );

+	ui.cbxSelectPPJoyNumber->setCurrentIndex(iniFile.value ( "Selection", 1 ).toInt() - 1);

+	iniFile.endGroup ();

+

+	settingsDirty = false;

+}

+

+//

+// Save the current Settings to the currently 'active' INI-file.

+//

+void PPJOYControls::save() {

+	qDebug() << "save() says: started";

+

+	QSettings settings("Abbequerque Inc.", "FaceTrackNoIR");	// Registry settings (in HK_USER)

+

+	QString currentFile = settings.value ( "SettingsFile", QCoreApplication::applicationDirPath() + "/Settings/default.ini" ).toString();

+	QSettings iniFile( currentFile, QSettings::IniFormat );		// Application settings (in INI-file)

+

+	iniFile.beginGroup ( "PPJoy" );

+	iniFile.setValue ( "Selection", ui.cbxSelectPPJoyNumber->currentIndex() + 1 );

+	iniFile.endGroup ();

+

+	settingsDirty = false;

+}

+

+//

+// Handle changes of the Virtual Joystick selection

+//

+void PPJOYControls::virtualJoystickSelected( int index )

+{

+	settingsDirty = true;

+}

+

+////////////////////////////////////////////////////////////////////////////////

+// Factory function that creates instances if the Protocol-settings dialog object.

+

+// Export both decorated and undecorated names.

+//   GetProtocolDialog     - Undecorated name, which can be easily used with GetProcAddress

+//                          Win32 API function.

+//   _GetProtocolDialog@0  - Common name decoration for __stdcall functions in C language.

+#pragma comment(linker, "/export:GetProtocolDialog=_GetProtocolDialog@0")

+

+FTNOIR_PROTOCOL_BASE_EXPORT PROTOCOLDIALOGHANDLE __stdcall GetProtocolDialog( )

+{

+	return new PPJOYControls;

+}