| 456 | } |
| 457 | |
| 458 | U32 PhysicsShape::packUpdate( NetConnection *con, U32 mask, BitStream *stream ) |
| 459 | { |
| 460 | U32 retMask = Parent::packUpdate( con, mask, stream ); |
| 461 | |
| 462 | if ( stream->writeFlag( mask & InitialUpdateMask ) ) |
| 463 | { |
| 464 | stream->writeAffineTransform( getTransform() ); |
| 465 | stream->writeFlag( mPlayAmbient ); |
| 466 | |
| 467 | stream->writeFlag( mDestroyed ); |
| 468 | |
| 469 | return retMask; |
| 470 | } |
| 471 | |
| 472 | // If we got here its not an initial update. So only send |
| 473 | // the least amount of data possible. |
| 474 | |
| 475 | if ( stream->writeFlag( mask & StateMask ) ) |
| 476 | { |
| 477 | // This will encode the position relative to the control |
| 478 | // object position. |
| 479 | // |
| 480 | // This will compress the position to as little as 6.25 |
| 481 | // bytes if the position is within about 30 meters of the |
| 482 | // control object. |
| 483 | // |
| 484 | // Worst case its a full 12 bytes + 2 bits if the position |
| 485 | // is more than 500 meters from the control object. |
| 486 | // |
| 487 | stream->writeCompressedPoint( mState.position ); |
| 488 | |
| 489 | // Use only 3.5 bytes to send the orientation. |
| 490 | stream->writeQuat( mState.orientation, 9 ); |
| 491 | |
| 492 | // If the server object has been set to sleep then |
| 493 | // we don't need to send any velocity. |
| 494 | if ( !stream->writeFlag( mState.sleeping ) ) |
| 495 | { |
| 496 | // This gives me ~0.015f resolution in velocity magnitude |
| 497 | // while only costing me 1 bit of the velocity is zero length, |
| 498 | // <5 bytes in normal cases, and <8 bytes if the velocity is |
| 499 | // greater than 1000. |
| 500 | AssertWarn( mState.linVelocity.len() < 1000.0f, |
| 501 | "PhysicsShape::packUpdate - The linVelocity is out of range!" ); |
| 502 | stream->writeVector( mState.linVelocity, 1000.0f, 16, 9 ); |
| 503 | |
| 504 | // For angular velocity we get < 0.01f resolution in magnitude |
| 505 | // with the most common case being under 4 bytes. |
| 506 | AssertWarn( mState.angVelocity.len() < 10.0f, |
| 507 | "PhysicsShape::packUpdate - The angVelocity is out of range!" ); |
| 508 | stream->writeVector( mState.angVelocity, 10.0f, 10, 9 ); |
| 509 | } |
| 510 | } |
| 511 | |
| 512 | if ( stream->writeFlag( mask & DamageMask ) ) |
| 513 | stream->writeFlag( mDestroyed ); |
| 514 | |
| 515 | return retMask; |
nothing calls this directly
no test coverage detected