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-rw-r--r--OpenSim/Region/Physics/BulletSPlugin/BSPrim.cs29
1 files changed, 17 insertions, 12 deletions
diff --git a/OpenSim/Region/Physics/BulletSPlugin/BSPrim.cs b/OpenSim/Region/Physics/BulletSPlugin/BSPrim.cs
index 248d1f2..130f1ca 100644
--- a/OpenSim/Region/Physics/BulletSPlugin/BSPrim.cs
+++ b/OpenSim/Region/Physics/BulletSPlugin/BSPrim.cs
@@ -90,7 +90,7 @@ public sealed class BSPrim : PhysicsActor
90 private BSPrim _parentPrim; 90 private BSPrim _parentPrim;
91 91
92 private int _subscribedEventsMs = 0; 92 private int _subscribedEventsMs = 0;
93 private int _lastCollisionTime = 0; 93 private int _nextCollisionOkTime = 0;
94 long _collidingStep; 94 long _collidingStep;
95 long _collidingGroundStep; 95 long _collidingGroundStep;
96 96
@@ -597,7 +597,8 @@ public sealed class BSPrim : PhysicsActor
597 } 597 }
598 public override void SubscribeEvents(int ms) { 598 public override void SubscribeEvents(int ms) {
599 _subscribedEventsMs = ms; 599 _subscribedEventsMs = ms;
600 _lastCollisionTime = Util.EnvironmentTickCount() - _subscribedEventsMs; // make first collision happen 600 // make sure first collision happens
601 _nextCollisionOkTime = Util.EnvironmentTickCount() - _subscribedEventsMs;
601 } 602 }
602 public override void UnSubscribeEvents() { 603 public override void UnSubscribeEvents() {
603 _subscribedEventsMs = 0; 604 _subscribedEventsMs = 0;
@@ -1338,23 +1339,27 @@ public sealed class BSPrim : PhysicsActor
1338 _collidingGroundStep = _scene.SimulationStep; 1339 _collidingGroundStep = _scene.SimulationStep;
1339 } 1340 }
1340 1341
1341 if (_subscribedEventsMs == 0) return; // nothing in the object is waiting for collision events 1342 // if someone is subscribed to collision events....
1342 // throttle the collisions to the number of milliseconds specified in the subscription 1343 if (_subscribedEventsMs != 0) {
1343 int nowTime = _scene.SimulationNowTime; 1344 // throttle the collisions to the number of milliseconds specified in the subscription
1344 if (nowTime < (_lastCollisionTime + _subscribedEventsMs)) return; 1345 int nowTime = _scene.SimulationNowTime;
1345 _lastCollisionTime = nowTime; 1346 if (nowTime >= _nextCollisionOkTime) {
1347 _nextCollisionOkTime = nowTime + _subscribedEventsMs;
1346 1348
1347 if (collisionCollection == null) 1349 if (collisionCollection == null)
1348 collisionCollection = new CollisionEventUpdate(); 1350 collisionCollection = new CollisionEventUpdate();
1349 collisionCollection.AddCollider(collidingWith, new ContactPoint(contactPoint, contactNormal, pentrationDepth)); 1351 collisionCollection.AddCollider(collidingWith, new ContactPoint(contactPoint, contactNormal, pentrationDepth));
1352 }
1353 }
1350 } 1354 }
1351 1355
1356 // The scene is telling us it's time to pass our collected collisions into the simulator
1352 public void SendCollisions() 1357 public void SendCollisions()
1353 { 1358 {
1354 if (collisionCollection != null) 1359 if (collisionCollection != null && collisionCollection.Count > 0)
1355 { 1360 {
1356 base.SendCollisionUpdate(collisionCollection); 1361 base.SendCollisionUpdate(collisionCollection);
1357 collisionCollection = null; 1362 collisionCollection.Clear();
1358 } 1363 }
1359 } 1364 }
1360} 1365}