summaryrefslogtreecommitdiffhomepage
path: root/proto-mouse/ftnoir_protocol_mouse.cpp
blob: 60c04cbe4f63b1aee5d950d4fb4d59c6bba917be (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
/* Copyright (c) 2015 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.
 */

#include "ftnoir_protocol_mouse.h"

#include "api/plugin-api.hpp"
#include "compat/math.hpp"
#include <cmath>
#include <algorithm>
#include <windows.h>

#ifndef MOUSEEVENTF_MOVE_NOCOALESCE
#   define MOUSEEVENTF_MOVE_NOCOALESCE 0x2000
#endif

static const double invert[] = {
    1., 1., 1.,
    1., -1., 1.
};

void mouse::pose(const double* headpose)
{
    const int axis_x = s.Mouse_X - 1;
    const int axis_y = s.Mouse_Y - 1;

    int mouse_x = 0, mouse_y = 0;

    if (axis_x == clamp(axis_x, Axis_MIN, Axis_MAX))
        mouse_x = get_value(headpose[axis_x] * invert[axis_x],
                            *s.sensitivity_x,
                            axis_x >= 3);

    if (axis_y == clamp(axis_y, Axis_MIN, Axis_MAX))
        mouse_y = get_value(headpose[axis_y] * invert[axis_y],
                            *s.sensitivity_y,
                            axis_y >= 3);

    const int dx = get_delta(mouse_x, last_x),
              dy = get_delta(mouse_y, last_y);

    if (dx || dy)
    {
        INPUT input;
        input.type = INPUT_MOUSE;
        MOUSEINPUT& mi = input.mi;
        mi = {};
        mi.dx = dx;
        mi.dy = dy;
        mi.dwFlags = MOUSEEVENTF_MOVE | MOUSEEVENTF_MOVE_NOCOALESCE;

        (void)SendInput(1, &input, sizeof(input));
        last_x = mouse_x; last_y = mouse_y;
    }
}

QString mouse::game_name()
{
    return tr("Mouse tracker");
}

int mouse::get_delta(int val, int prev)
{
    const int a = std::abs(val - prev), b = std::abs(val + prev);
    if (b < a)
        return val + prev;
    else
        return val - prev;
}

int mouse::get_value(double val, double sensitivity, bool is_rotation)
{
    constexpr double c[] = { 1e-3, 1e-1 };

    return iround(val * sensitivity * c[unsigned(is_rotation)]);
}

OPENTRACK_DECLARE_PROTOCOL(mouse, MOUSEControls, mouseDll)