The open source OpenXR runtime
u/json: Add u_json_get_pose_permissive
To parse poses from non-Monado configs with non-standard member names.
authored by
Moses Turner
and committed by
Jakob Bornecrantz
48e8894b
b31eb767
+46
+36
src/xrt/auxiliary/util/u_json.c
+36
src/xrt/auxiliary/util/u_json.c
···
278
278
return good;
279
279
}
280
280
281
+
bool
282
+
u_json_get_pose_permissive(const cJSON *json, struct xrt_pose *out_pose)
283
+
{
284
+
struct xrt_pose tmp;
285
+
286
+
const char *position_names[] = {"position", "translation", "location", "pos", "loc"};
287
+
const char *orientation_names[] = {"orientation", "rotation", "rot"};
288
+
289
+
bool found_position = false;
290
+
291
+
for (uint32_t i = 0; i < ARRAY_SIZE(position_names); i++) {
292
+
found_position = u_json_get_vec3(u_json_get(json, position_names[i]), &tmp.position);
293
+
if (found_position) {
294
+
break;
295
+
}
296
+
}
297
+
if (!found_position) {
298
+
return false;
299
+
}
300
+
301
+
bool found_orientation = false;
302
+
303
+
for (uint32_t i = 0; i < ARRAY_SIZE(orientation_names); i++) {
304
+
found_orientation = u_json_get_vec3(u_json_get(json, orientation_names[i]), &tmp.position);
305
+
if (found_orientation) {
306
+
break;
307
+
}
308
+
}
309
+
if (!found_orientation) {
310
+
return false;
311
+
}
312
+
313
+
314
+
return true;
315
+
}
316
+
281
317
282
318
size_t
283
319
u_json_get_float_array(const cJSON *json_array, float *out_array, size_t max_size)
+10
src/xrt/auxiliary/util/u_json.h
+10
src/xrt/auxiliary/util/u_json.h
···
111
111
112
112
113
113
/*!
114
+
* @brief Parse a pose from a JSON object, composed of
115
+
* a vec3 named "position", "translation", "location", "pos", or "loc"
116
+
* and a quat named "orientation". "rotation", or "rot"
117
+
*
118
+
* @return true if successful, false if not.
119
+
*/
120
+
bool
121
+
u_json_get_pose_permissive(const cJSON *json, struct xrt_pose *out_pose);
122
+
123
+
/*!
114
124
* @brief Parse up to max_size floats from a JSON array.
115
125
*
116
126
* @return the number of elements set.