Merge pull request #1037 from ballista-milsim/tracker-tobii

WIP Tobii Eye tracker support.

1 files changed, 65 insertions, 0 deletions

diff --git a/tracker-tobii/ftnoir_tracker_tobii.cpp b/tracker-tobii/ftnoir_tracker_tobii.cpp
new file mode 100644
index 00000000..43cb1662
--- /dev/null
+++ b/tracker-tobii/ftnoir_tracker_tobii.cpp
@@ -0,0 +1,65 @@
+#include "ftnoir_tracker_tobii.h"
+#include "api/plugin-api.hpp"
+#include "compat/math.hpp"
+
+tobii::~tobii() = default;
+
+module_status tobii::start_tracker(QFrame*)
+{
+    t.start();
+    return status_ok();
+}
+
+void tobii::data(double *data)
+{
+    if (t.head_pose) {
+        tobii_head_pose_t p = *t.head_pose;
+        if (p.position_validity == TOBII_VALIDITY_VALID) {
+            if (center_pose.position_validity == TOBII_VALIDITY_VALID) {
+                p.position_xyz[0] = p.position_xyz[0] - center_pose.position_xyz[0];
+                p.position_xyz[1] = p.position_xyz[1] - center_pose.position_xyz[1];
+                p.position_xyz[2] = p.position_xyz[2] - center_pose.position_xyz[2];
+            }
+            else {
+                center_pose = p;
+            }
+            data[0] = clamp(p.position_xyz[0] * 30.0 / 300.0, -30.0, 30.0);
+            data[1] = clamp(p.position_xyz[1] * 30.0 / 300.0, -30.0, 30.0);
+            data[2] = clamp(p.position_xyz[2] * 30.0 / 300.0, -30.0, 30.0);
+        }
+
+        double max_yaw = 90.0;
+        if (p.rotation_validity_xyz[1] == TOBII_VALIDITY_VALID) {
+            if (center_pose.rotation_validity_xyz[1] == TOBII_VALIDITY_VALID) {
+                p.rotation_xyz[1] = p.rotation_xyz[1] - center_pose.rotation_xyz[1];
+            }
+            data[3] = clamp(p.rotation_xyz[1] * 100.0 * max_yaw / 90.0, -max_yaw, max_yaw);
+        }
+
+        double max_pitch = 90.0;
+        if (p.rotation_validity_xyz[0] == TOBII_VALIDITY_VALID) {
+            if (center_pose.rotation_validity_xyz[0] == TOBII_VALIDITY_VALID) {
+                p.rotation_xyz[0] = p.rotation_xyz[0] - center_pose.rotation_xyz[0];
+            }
+            data[4] = clamp(p.rotation_xyz[0] * 100.0 * max_pitch / 90.0, -max_pitch, max_pitch);
+        }
+
+        double max_roll = 90.0;
+        if (p.rotation_validity_xyz[2] == TOBII_VALIDITY_VALID) {
+            if (center_pose.rotation_validity_xyz[2] == TOBII_VALIDITY_VALID) {
+                p.rotation_xyz[2] = p.rotation_xyz[2] - center_pose.rotation_xyz[2];
+            }
+            data[5] = clamp(p.rotation_xyz[2] * 100.0 * max_roll / 90.0, -max_roll, max_roll);
+        }
+    }
+}
+
+bool tobii::center  ()
+{
+    if (t.head_pose) {
+        center_pose = *t.head_pose;
+    }
+    return false;
+}
+
+OPENTRACK_DECLARE_TRACKER(tobii, dialog_tobii, tobiiDll)