From 7bacbdf10b97040c9ed282a22485759bd082fa63 Mon Sep 17 00:00:00 2001 From: Eike Ziller Date: Sun, 19 Nov 2017 21:18:26 +0100 Subject: Add virtual joystick output for macOS Based of the foohid IOKit driver for implementing virtual HID devices. Issue: #236 --- proto-iokit-foohid/iokitprotocol.cpp | 51 ++++++++++++++++++++++++++++++++++++ 1 file changed, 51 insertions(+) create mode 100644 proto-iokit-foohid/iokitprotocol.cpp (limited to 'proto-iokit-foohid/iokitprotocol.cpp') diff --git a/proto-iokit-foohid/iokitprotocol.cpp b/proto-iokit-foohid/iokitprotocol.cpp new file mode 100644 index 00000000..4af6ad5b --- /dev/null +++ b/proto-iokit-foohid/iokitprotocol.cpp @@ -0,0 +1,51 @@ +/* Copyright (c) 2017, Eike Ziller * + * * + * 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. * + */ + +#include "iokitprotocol.h" + +#include "foohidjoystick.h" +#include "iokitprotocoldialog.h" + +#include + +IOKitProtocol::IOKitProtocol() +{ + joystick = std::make_unique("OpenTrack Virtual Joystick", + "SN 983457"); + if (joystick->hasError()) + qWarning("%s\n", qPrintable(joystick->errorMessage())); +} + +bool IOKitProtocol::correct() +{ + return joystick && !joystick->hasError(); +} + +static uint8_t valueToStick(FooHIDJoystick *stick, double min, double value, double max) +{ + return uint8_t(qBound(stick->minValue(), + int(round((value - min) * stick->range() / (max - min) - stick->minValue())), + stick->minValue() + stick->range())); +} + +void IOKitProtocol::pose(const double *headpose) +{ + const uint8_t x = valueToStick(joystick.get(), -75., headpose[0], +75.); + const uint8_t y = valueToStick(joystick.get(), -75., headpose[1], +75.); + const uint8_t z = valueToStick(joystick.get(), -75., headpose[2], +75.); + const uint8_t rx = valueToStick(joystick.get(), -180., headpose[3], +180.); + const uint8_t ry = valueToStick(joystick.get(), -180., headpose[4], +180.); + const uint8_t rz = valueToStick(joystick.get(), -180., headpose[5], +180.); + joystick->setValue({x, y, z, rx, ry, rz}); +} + +QString IOKitProtocol::game_name() +{ + return QString(); +} + +OPENTRACK_DECLARE_PROTOCOL(IOKitProtocol, IOKitProtocolDialog, IOKitProtocolMetadata) -- cgit v1.2.3