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main.cpp
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main.cpp
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#include <chrono>
#include <iostream>
#include <thread>
#include "ConfigReader.h"
#include "MouseControl.h"
#include "UltraleapPoller.h"
#define SECONDS_TO_MICROSECONDS(seconds) seconds * 1000000
#define METERS_TO_MILLIMETERS(meters) meters * 1000
#define MILLIMETERS_TO_METERS(millimeteres) millimeteres * 0.001
bool MouseActive = true;
bool Scrolling = false;
int64_t PrevFistTimestamp;
int64_t FistStartTimestamp;
LEAP_VECTOR FistStartPosition;
bool CancelFistRecentering = false;
const float FIST_RECENTER_HOLD_TIME_SECONDS = 1.0f;
const float FIST_RECENTER_DEADZONE_DISTANCE_METERS = 0.03f;
bool CursorDeadzoneEnabled;
LEAP_VECTOR CursorDeadzoneStartPosition;
const float CURSOR_DEADZONE_THRESHOLD_METERS = 0.03f;
LEAP_VECTOR PrevPos = {0, 0, 0};
float lerp(float a, float b, float t)
{
return (1.0f - t) * a + b * t;
}
float inverse_lerp(float a, float b, float v)
{
return (v - a) / (b - a);
}
float remap(float iMin, float iMax, float oMin, float oMax, float v)
{
float t = inverse_lerp(iMin, iMax, v);
return lerp(oMin, oMax, t);
}
void SetMouseActive(bool active)
{
MouseActive = active;
}
void SetScrolling(bool scrolling)
{
Scrolling = scrolling;
}
bool GetScrolling()
{
return Scrolling;
}
void EnableCursorDeadzone(LEAP_VECTOR startPosition)
{
CursorDeadzoneStartPosition = startPosition;
CursorDeadzoneEnabled = true;
}
void DisableCursorDeadzone()
{
CursorDeadzoneEnabled = false;
}
bool ParseCommandLine(ConfigReader &config, int argc, char **argv)
{
for (int i = 0; i < argc; i++)
{
if (strcmp(argv[i], "--speed") == 0)
{
if (i < (argc - 1))
{
try
{
config.SetSpeed(static_cast<float>(std::atof(argv[i + 1])));
}
catch (std::exception &e)
{
std::cout << "Could not set mouse speed, number must be a float" << std::endl;
std::cout << "Error: " << e.what() << std::endl;
return false;
}
}
else
{
std::cout << "Not enough arguments" << std::endl;
return false;
}
}
else if (strcmp(argv[i], "--scrolling-speed") == 0)
{
if (i < (argc - 1))
{
try
{
config.SetScrollingSpeed(static_cast<float>(std::atof(argv[i + 1])));
}
catch (std::exception &e)
{
std::cout << "Could not set scrolling speed, number must be a float" << std::endl;
std::cout << "Error: " << e.what() << std::endl;
return false;
}
}
else
{
std::cout << "Not enough arguments" << std::endl;
return false;
}
}
else if (strcmp(argv[i], "--orientation") == 0)
{
if (i < (argc - 1))
{
try
{
if (strcmp(argv[i+1], "vertical") == 0)
{
config.SetVerticalOrientation(true);
}
else if (strcmp(argv[i+1], "horizontal") == 0)
{
config.SetVerticalOrientation(false);
}
else
{
std::cout << "Orientation must be set to either \"vertical\" or \"horizontal\"" << std::endl;
return false;
}
}
catch (std::exception &e)
{
std::cout << "Could not set scrolling speed, number must be a float" << std::endl;
std::cout << "Error: " << e.what() << std::endl;
return false;
}
}
else
{
std::cout << "Not enough arguments" << std::endl;
return false;
}
}
else if (strcmp(argv[i], "--allow-scrolling") == 0)
{
if (i < (argc - 1))
{
if (strcmp(argv[i + 1], "true") == 0)
{
config.SetScrollingActive(true);
}
else if (strcmp(argv[i + 1], "false") == 0)
{
config.SetScrollingActive(false);
}
else
{
std::cout << "Set --allow-scrolling to either \"true\" or \"false\"" << std::endl;
return false;
}
}
}
else if (strcmp(argv[i], "--use-fist-to-lift-mouse") == 0)
{
if (i < (argc - 1))
{
if (strcmp(argv[i + 1], "true") == 0)
{
config.SetFistToLiftActive(true);
}
else if (strcmp(argv[i + 1], "false") == 0)
{
config.SetFistToLiftActive(false);
}
else
{
std::cout << "Set --use-fist-to-lift-mouse to either \"true\" or \"false\"" << std::endl;
return false;
}
}
}
else if (strcmp(argv[i], "--lock-mouse-on-scroll") == 0)
{
if (i < (argc - 1))
{
if (strcmp(argv[i + 1], "true") == 0)
{
config.SetLockMouseOnScroll(true);
}
else if (strcmp(argv[i + 1], "false") == 0)
{
config.SetLockMouseOnScroll(false);
}
else
{
std::cout << "Set --lock-mouse-on-scroll to either \"true\" or \"false\"" << std::endl;
return false;
}
}
}
else if (strcmp(argv[i], "--right-click-active") == 0)
{
if (i < (argc - 1))
{
if (strcmp(argv[i + 1], "true") == 0)
{
config.SetRightClickActive(true);
}
else if (strcmp(argv[i + 1], "false") == 0)
{
config.SetRightClickActive(false);
}
else
{
std::cout << "Set --right-click-active to either \"true\" or \"false\"" << std::endl;
return false;
}
}
}
}
return true;
}
int main(int argc, char** argv)
{
ConfigReader config;
if (!ParseCommandLine(config, argc, argv))
{
std::cout << "Failed to parse command line properly. Some values may be defaults." << std::endl;
}
config.print();
printf("Setting up..\n");
UltraleapPoller ulp;
ulp.indexPinchThreshold = config.GetIndexPinchThreshold();
ulp.boundsLeftM = config.GetBoundsLeftMeters();
ulp.boundsRightM = config.GetBoundsRightMeters();
ulp.boundsLowerM = config.GetBoundsLowerMeters();
ulp.boundsUpperM = config.GetBoundsUpperMeters();
ulp.boundsNearM = config.GetBoundsNearMeters();
ulp.boundsFarM = config.GetBoundsFarMeters();
ulp.limitTrackingToWithinBounds = config.GetLimitTrackingToWithinBounds();
if (config.GetFistToLiftActive())
{
ulp.SetOnFistStartCallback(
[](const int64_t timestamp, const LEAP_HAND &hand)
{
SetMouseActive(false);
FistStartTimestamp = timestamp;
FistStartPosition = hand.palm.position;
CancelFistRecentering = false;
// Double fist to recenter.
/*int64_t timeBetweenFists = timestamp - PrevFistTimestamp;
if (timeBetweenFists < SECONDS_TO_MICROSECONDS(1))
{
// Recenter the mouse
int w = GetScreenWidth();
int h = GetScreenHeight();
SetMouse(w / 2, h / 2);
}
PrevFistTimestamp = timestamp;*/
}
);
ulp.SetOnFistContinueCallback(
[&ulp](const int64_t timestamp, const LEAP_HAND& hand)
{
if (CancelFistRecentering)
{
return;
}
float distance = ulp.distance(FistStartPosition, hand.palm.position);
if (distance > METERS_TO_MILLIMETERS(FIST_RECENTER_DEADZONE_DISTANCE_METERS))
{
CancelFistRecentering = true;
}
int64_t timeSinceFistStart = timestamp - FistStartTimestamp;
if (timeSinceFistStart > SECONDS_TO_MICROSECONDS(FIST_RECENTER_HOLD_TIME_SECONDS))
{
CancelFistRecentering = true;
int w = GetScreenWidth();
int h = GetScreenHeight();
SetMouse(w / 2, h / 2);
}
}
);
ulp.SetOnFistStopCallback([](const int64_t timestamp, const LEAP_HAND &) {
SetMouseActive(true);
});
}
ulp.SetOnIndexPinchStartCallback([](const int64_t timestamp, const LEAP_HAND &hand) {
PrimaryDown();
EnableCursorDeadzone(hand.palm.position);
});
ulp.SetOnIndexPinchStopCallback([](const int64_t timestamp, const LEAP_HAND&) {
PrimaryUp();
DisableCursorDeadzone();
});
ulp.SetOnAlmostRotateStartCallback([](const int64_t timestamp, const LEAP_HAND &hand) {
EnableCursorDeadzone(hand.palm.position);
});
ulp.SetOnAlmostRotateStopCallback([](const int64_t timestamp, const LEAP_HAND&) {
// Not used
});
if (config.GetRightClickActive())
{
ulp.SetOnRotateStartCallback([&config](const int64_t timestamp, const LEAP_HAND &hand) {
SecondaryDown();
EnableCursorDeadzone(hand.palm.position);
});
ulp.SetOnRotateStopCallback([](const int64_t timestamp, const LEAP_HAND &) {
SecondaryUp();
DisableCursorDeadzone();
});
}
if (config.GetScrollingActive())
{
ulp.SetOnVStartCallback([](const int64_t timestamp, const LEAP_HAND &) {
SetScrolling(true);
});
ulp.SetOnVContinueCallback(
[&config](const int64_t timestamp, const LEAP_HAND &h)
{
float palmToFingertipDist = h.middle.distal.next_joint.y - h.palm.position.y;
float move = config.GetScrollingSpeed();
float threshold = config.GetScrollThreshold();
if (palmToFingertipDist > threshold)
{
VerticalScroll(static_cast<int>(move));
}
else if (palmToFingertipDist < -threshold)
{
VerticalScroll(static_cast<int>(-move));
}
}
);
ulp.SetOnVStopCallback([](const int64_t timestamp, const LEAP_HAND &) {
SetScrolling(false);
});
}
ulp.SetPositionCallback([&ulp, &config](LEAP_VECTOR v) {
if ((PrevPos.x == 0 && PrevPos.y == 0 && PrevPos.z == 0) || !MouseActive)
{
// We want to do relative updates so skip this one so we have sensible numbers
}
else
{
if (CursorDeadzoneEnabled)
{
float deadzoneDistance = ulp.distance(CursorDeadzoneStartPosition, v);
if (deadzoneDistance > METERS_TO_MILLIMETERS(CURSOR_DEADZONE_THRESHOLD_METERS))
{
DisableCursorDeadzone();
}
return;
}
int xMove = static_cast<int>(config.GetSpeed() * (v.x - PrevPos.x));
float yMove = (v.y - PrevPos.y) * (config.GetVerticalOrientation() ? -1 : 1);
// if (config.GetUseScrolling() && Scrolling)
if (Scrolling && config.GetLockMouseOnScroll())
{
// VerticalScroll(static_cast<int>(config.GetScrollingSpeed() * yMove));
}
else
{
if (config.GetUseAbsoluteMousePosition())
{
int w = GetScreenWidth();
int h = GetScreenHeight();
float boundsLower = config.GetBoundsLowerMeters();
float boundsUpper = config.GetBoundsUpperMeters();
float boundsLeft = config.GetBoundsLeftMeters();
float boundsRight = config.GetBoundsRightMeters();
int mouseX = remap(-boundsLeft, boundsRight, 0, w, MILLIMETERS_TO_METERS(v.x));
int mouseY = remap(boundsLower, boundsUpper, h, 0, MILLIMETERS_TO_METERS(v.y));
//printf("W: %f pos vs %i/%i pixels\n", MILLIMETERS_TO_METERS(v.x), mouseX, w);
//printf("H: %f pos vs %i/%i pixels\n\n", MILLIMETERS_TO_METERS(v.y), mouseY, h);
SetMouse(mouseX, mouseY);
}
else
{
MoveMouse(xMove, static_cast<int>(config.GetSpeed() * yMove));
}
}
}
PrevPos = v;
});
ulp.StartPoller();
std::cout << "Press \"x\" to quit." << std::endl;
while (true)
{
char c;
std::cin >> c;
if (c == 'x')
{
break;
}
}
printf("Quitting\n");
ulp.StopPoller();
return 0;
}