add mjs_detachDefault to delete a default class from mjSpec

PiperOrigin-RevId: 738452369 Change-Id: I5a53a6dc8f89e1e8136aeefc09d7d9b7b7204e1f
2025-03-19 10:30:08 -07:00
parent a1b9ffd124
commit be64747166
18 changed files with 261 additions and 24 deletions
@@ -2137,6 +2137,7 @@ static int sensorSize(mjtSensor sensor_type, int sensor_dim) {
 //   -2: invalid objtype
 static int numObjects(const mjModel* m, mjtObj objtype) {
  switch (objtype) {
+  case mjOBJ_DEFAULT:
  case mjOBJ_FRAME:
  case mjOBJ_UNKNOWN:
    return -1;