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
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
|
/*
* Copyright (c) 2017, Benjamin Flegel
* Copyright (c) 2017, Stanislaw Halik
*
* 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.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
* REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
* INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
* LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
* OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
#include "steamvr.hpp"
#include "api/plugin-api.hpp"
#include "compat/util.hpp"
#include <cstdlib>
#include <cmath>
#include <QMessageBox>
#include <QDebug>
void steamvr::vr_deleter()
{
static std::atomic_flag atexit_done = ATOMIC_FLAG_INIT;
if (atexit_done.test_and_set(std::memory_order_seq_cst))
{
std::atexit(vr::VR_Shutdown);
}
}
steamvr::vr_t steamvr::vr_init(error_t& error)
{
error = error_t::VRInitError_Unknown;
// the background type would surely confuse users
vr_t vr = vr::VR_Init(&error, vr::EVRApplicationType::VRApplication_Other);
if (vr)
vr_deleter();
return vr;
}
QString steamvr::strerror(error_t error)
{
const char* str(vr::VR_GetVRInitErrorAsSymbol(error));
return QString(str ? str : "No description");
}
steamvr::steamvr() : vr(nullptr)
{
}
steamvr::~steamvr()
{
}
void steamvr::start_tracker(QFrame*)
{
error_t e(error_t::VRInitError_Unknown);
vr = vr_init(e);
if (!vr)
{
QMessageBox::warning(nullptr,
tr("Valve SteamVR init error"), strerror(e),
QMessageBox::Close, QMessageBox::NoButton);
return;
}
bool ok = false;
for (unsigned k = 0; k < vr::k_unMaxTrackedDeviceCount; k++)
if (vr->GetTrackedDeviceClass(k) == vr::ETrackedDeviceClass::TrackedDeviceClass_HMD)
{
ok = true;
break;
}
if (!ok)
{
QMessageBox::warning(nullptr,
tr("Valve SteamVR init warning"),
tr("No HMD connected"),
QMessageBox::Close, QMessageBox::NoButton);
return;
}
}
void steamvr::data(double* data)
{
if (vr)
{
vr::TrackedDevicePose_t devices[vr::k_unMaxTrackedDeviceCount] = {};
vr->GetDeviceToAbsoluteTrackingPose(vr::ETrackingUniverseOrigin::TrackingUniverseSeated, 0,
devices, vr::k_unMaxTrackedDeviceCount);
for (unsigned k = 0; k < vr::k_unMaxTrackedDeviceCount; k++)
{
if (!devices[k].bPoseIsValid)
continue;
if (vr->GetTrackedDeviceClass(k) != vr::ETrackedDeviceClass::TrackedDeviceClass_HMD)
continue;
const vr::HmdMatrix34_t& result = devices[k].mDeviceToAbsoluteTracking;
int c = 10;
data[TX] = -result.m[0][3] * c;
data[TY] = result.m[1][3] * c;
data[TZ] = result.m[2][3] * c;
using std::atan2;
using std::asin;
// transformation matrix to euler angles
if (result.m[0][0] == 1.0f || result.m[0][0] == -1.0f)
{
data[Yaw] = -atan2(result.m[0][2], result.m[2][3]);
data[Pitch] = 0;
data[Roll] = 0;
}
else
{
data[Yaw] = -atan2(-result.m[2][0], result.m[0][0]);
data[Pitch] = atan2(-result.m[1][2], result.m[1][1]);
data[Roll] = atan2(result.m[1][1], result.m[0][1]);
}
static constexpr double r2d = 180 / M_PI;
data[Yaw] *= r2d;
data[Pitch] *= r2d;
data[Roll] *= r2d;
break;
}
}
}
void steamvr_dialog::register_tracker(ITracker*) {}
void steamvr_dialog::unregister_tracker() {}
OPENTRACK_DECLARE_TRACKER(steamvr, steamvr_dialog, steamvr_metadata)
|
