proto/vjoystick: add new vjoystick protocol to replace vjoy

7 files changed, 311 insertions, 0 deletions

diff --git a/proto-vjoystick/CMakeLists.txt b/proto-vjoystick/CMakeLists.txt
new file mode 100644
index 00000000..d0cfe591
--- /dev/null
+++ b/proto-vjoystick/CMakeLists.txt
@@ -0,0 +1,16 @@
+if(WIN32)
+    set(SDK_VJOYSTICK "" CACHE PATH "vjoystick SDK path")
+    if(SDK_VJOYSTICK)
+        if(opentrack-64bit)
+            set(arch "amd64/")
+        else()
+            set(arch "")
+        endif()
+        set(lib "${SDK_VJOYSTICK}/lib/${arch}vJoyInterface.lib")
+        set(dll "${SDK_VJOYSTICK}/lib/${arch}vJoyInterface.dll")
+        opentrack_boilerplate(opentrack-proto-vjoy)
+        target_link_libraries(opentrack-proto-vjoy ${lib})
+        target_include_directories(opentrack-proto-vjoy SYSTEM PUBLIC "${SDK_VJOYSTICK}/inc")
+        install(FILES "${dll}" DESTINATION ${opentrack-hier-pfx})
+    endif()
+endif()
diff --git a/proto-vjoystick/images/vjoystick.png b/proto-vjoystick/images/vjoystick.png
new file mode 100644
index 00000000..c3def49f
--- /dev/null
+++ b/proto-vjoystick/images/vjoystick.png
diff --git a/proto-vjoystick/vjoystick.cpp b/proto-vjoystick/vjoystick.cpp
new file mode 100644
index 00000000..46d45bfb
--- /dev/null
+++ b/proto-vjoystick/vjoystick.cpp
@@ -0,0 +1,147 @@
+#include "vjoystick.h"
+#include "opentrack/plugin-api.hpp"
+
+#include <cstring>
+#include <QDebug>
+
+#include <QPushButton>
+#include <QMessageBox>
+#include <QDesktopServices>
+#include <QUrl>
+
+// required for api headers
+#include <windows.h>
+
+#undef PPJOY_MODE
+#include <public.h>
+#include <vjoyinterface.h>
+
+#define OPENTRACK_VJOYSTICK_ID 1
+
+template<typename t, typename u, typename v>
+static t clamp(t val, u min, v max)
+{
+    if (val < min)
+        return t(min);
+    if (val > max)
+        return t(max);
+    return val;
+}
+
+const unsigned char handle::axis_ids[6] =
+{
+    HID_USAGE_X,
+    HID_USAGE_Y,
+    HID_USAGE_Z,
+    HID_USAGE_RX,
+    HID_USAGE_RY,
+    HID_USAGE_RZ,
+//    HID_USAGE_SL0,
+//    HID_USAGE_SL1,
+//    HID_USAGE_WHL,
+};
+
+constexpr double handle::val_minmax[6];
+
+void handle::init()
+{
+    bool ret = true;
+
+    for (unsigned i = 0; i < axis_count; i++)
+    {
+        ret &= GetVJDAxisExist(OPENTRACK_VJOYSTICK_ID, axis_ids[i]);
+        if (!ret) { qDebug() << "axis" << i << "doesn't exist"; break; }
+        ret &= GetVJDAxisMin(OPENTRACK_VJOYSTICK_ID, axis_ids[i], &axis_min[i]);
+        if (!ret) { qDebug() << "axis" << i << "can't get min value"; break; };
+        ret &= GetVJDAxisMax(OPENTRACK_VJOYSTICK_ID, axis_ids[i], &axis_max[i]);
+        if (!ret) { qDebug() << "axis" << i << "can't get max value"; break; };
+    }
+
+    if (!ret)
+    {
+        (void) RelinquishVJD(OPENTRACK_VJOYSTICK_ID);
+        joy_state = state_fail;
+    }
+    else
+        (void) ResetVJD(OPENTRACK_VJOYSTICK_ID);
+}
+
+handle::handle()
+{
+    const bool ret = AcquireVJD(OPENTRACK_VJOYSTICK_ID);
+    if (!ret)
+    {
+        if (!isVJDExists(OPENTRACK_VJOYSTICK_ID))
+            joy_state = state_notent;
+        else
+            joy_state = state_fail;
+    }
+    else
+    {
+        joy_state = state_success;
+        init();
+    }
+}
+
+handle::~handle()
+{
+    if (joy_state == state_success)
+    {
+        (void) RelinquishVJD(OPENTRACK_VJOYSTICK_ID);
+        joy_state = state_fail;
+    }
+}
+
+LONG handle::to_axis_value(unsigned axis_id, double val)
+{
+    const double minmax = val_minmax[axis_id];
+    const double min = axis_min[axis_id];
+    const double max = axis_max[axis_id];
+
+    return LONG(clamp((val+minmax) * max / (2*minmax) - min, min, max));
+}
+
+vjoystick_proto::vjoystick_proto()
+{
+    if (h.get_state() != state_success)
+    {
+        QMessageBox msgbox;
+        msgbox.setIcon(QMessageBox::Critical);
+        msgbox.setText("vjoystick driver missing");
+        msgbox.setInformativeText("vjoystick won't work without the driver installed.");
+
+        QPushButton* driver_button = msgbox.addButton("Download the driver", QMessageBox::ActionRole);
+        QPushButton* project_site_button = msgbox.addButton("Visit project site", QMessageBox::ActionRole);
+        msgbox.addButton(QMessageBox::Close);
+
+        (void) msgbox.exec();
+
+        if (msgbox.clickedButton() == driver_button)
+        {
+            static const char* download_driver_url = "https://sourceforge.net/projects/vjoystick/files/latest/download";
+            QDesktopServices::openUrl(QUrl(download_driver_url, QUrl::StrictMode));
+        }
+        else if (msgbox.clickedButton() == project_site_button)
+        {
+            static const char* project_site_url = "http://vjoystick.sourceforge.net/site/";
+            QDesktopServices::openUrl(QUrl(project_site_url, QUrl::StrictMode));
+        }
+    }
+}
+
+vjoystick_proto::~vjoystick_proto()
+{
+}
+
+void vjoystick_proto::pose(const double *pose)
+{
+    if (h.get_state() != state_success)
+        return;
+
+    for (unsigned i = 0; i < handle::axis_count; i++)
+    {
+        SetAxis(h.to_axis_value(i, pose[i]), OPENTRACK_VJOYSTICK_ID, handle::axis_ids[i]);
+    }
+}
+
+OPENTRACK_DECLARE_PROTOCOL(vjoystick_proto, vjoystick_dialog, vjoystick_metadata)
diff --git a/proto-vjoystick/vjoystick.h b/proto-vjoystick/vjoystick.h
new file mode 100644
index 00000000..c4cb7e69
--- /dev/null
+++ b/proto-vjoystick/vjoystick.h
@@ -0,0 +1,79 @@
+/* Copyright (c) 2016, Stanislaw Halik <sthalik@misaki.pl>
+
+ * Permission to use, copy, modify, and/or distribute this
+ * software for any purpose with or without fee is hereby granted,
+ * provided that the above copyright notice and this permission
+ * notice appear in all copies.
+ */
+#pragma once
+#include "ui_vjoystick.h"
+#include "opentrack/plugin-api.hpp"
+
+#include <windows.h>
+
+enum state : signed char
+{
+    state_notent = -1,
+    state_fail = -2,
+    state_success = 1,
+};
+
+class handle final
+{
+public:
+    static constexpr unsigned axis_count = 6;
+    static const unsigned char axis_ids[axis_count];
+
+private:
+    state joy_state;
+    LONG axis_min[6];
+    LONG axis_max[6];
+
+    static constexpr double val_minmax[6] =
+    {
+        50,
+        50,
+        50,
+        180,
+        180,
+        180
+    };
+
+    void init();
+public:
+    handle();
+    ~handle();
+    state get_state() { return joy_state; }
+    LONG to_axis_value(unsigned axis_id, double val);
+};
+
+class vjoystick_proto : public IProtocol
+{
+    handle h;
+public:
+    vjoystick_proto();
+    ~vjoystick_proto() override;
+    bool correct() override { return h.get_state() == state_success; }
+    void pose( const double *headpose ) override;
+    QString game_name() override { return "Virtual joystick"; }
+private:
+};
+
+class vjoystick_dialog final : public IProtocolDialog
+{
+    Q_OBJECT
+public:
+
+    vjoystick_dialog();
+    void register_protocol(IProtocol *) override {}
+    void unregister_protocol() override {}
+private:
+    Ui::vjoystick ui;
+};
+
+class vjoystick_metadata : public Metadata
+{
+public:
+    QString name() { return QString("Joystick emulation -- vjoystick"); }
+    QIcon icon() { return QIcon(":/images/vjoystick.png"); }
+};
diff --git a/proto-vjoystick/vjoystick.qrc b/proto-vjoystick/vjoystick.qrc
new file mode 100644
index 00000000..9c73169f
--- /dev/null
+++ b/proto-vjoystick/vjoystick.qrc
@@ -0,0 +1,5 @@
+<RCC>
+    <qresource prefix="/">
+        <file>images/vjoystick.png</file>
+    </qresource>
+</RCC>
diff --git a/proto-vjoystick/vjoystick.ui b/proto-vjoystick/vjoystick.ui
new file mode 100644
index 00000000..6e6a2b33
--- /dev/null
+++ b/proto-vjoystick/vjoystick.ui
@@ -0,0 +1,56 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>vjoystick</class>
+ <widget class="QWidget" name="vjoystick">
+  <property name="windowModality">
+   <enum>Qt::NonModal</enum>
+  </property>
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>283</width>
+    <height>66</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>VJoy</string>
+  </property>
+  <property name="windowIcon">
+   <iconset resource="vjoystick.qrc">
+    <normaloff>:/images/vjoystick.png</normaloff>:/images/vjoystick.png</iconset>
+  </property>
+  <property name="layoutDirection">
+   <enum>Qt::LeftToRight</enum>
+  </property>
+  <property name="autoFillBackground">
+   <bool>false</bool>
+  </property>
+  <layout class="QVBoxLayout" name="verticalLayout">
+   <item>
+    <widget class="QLabel" name="label">
+     <property name="text">
+      <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;Go to the &lt;a href=&quot;http://vjoystick.sourceforge.net/site/&quot;&gt;&lt;span style=&quot; text-decoration: underline; color:#0000ff;&quot;&gt;vjoystick&lt;/span&gt;&lt;/a&gt; project site or &lt;a href=&quot;https://sourceforge.net/projects/vjoystick/files/latest/download&quot;&gt;&lt;span style=&quot; text-decoration: underline; color:#0000ff;&quot;&gt;download directly&lt;/span&gt;&lt;/a&gt;&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
+     </property>
+     <property name="alignment">
+      <set>Qt::AlignCenter</set>
+     </property>
+     <property name="openExternalLinks">
+      <bool>true</bool>
+     </property>
+    </widget>
+   </item>
+   <item>
+    <widget class="QDialogButtonBox" name="buttonBox">
+     <property name="standardButtons">
+      <set>QDialogButtonBox::Ok</set>
+     </property>
+    </widget>
+   </item>
+  </layout>
+ </widget>
+ <resources>
+  <include location="vjoystick.qrc"/>
+ </resources>
+ <connections/>
+</ui>
diff --git a/proto-vjoystick/vjoystick_dialog.cpp b/proto-vjoystick/vjoystick_dialog.cpp
new file mode 100644
index 00000000..136e898b
--- /dev/null
+++ b/proto-vjoystick/vjoystick_dialog.cpp
@@ -0,0 +1,8 @@
+#include "vjoystick.h"
+#include "opentrack/plugin-api.hpp"
+
+vjoystick_dialog::vjoystick_dialog()
+{
+    ui.setupUi(this);
+    connect(ui.buttonBox, &QDialogButtonBox::accepted, this, &QWidget::close);
+}