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2014-06-10BulletSim: fix exceptions while rebuilding linksets with mesh children.Robert Adams1-3/+30
This should get around the exception reported in Mantis 7191 and 7204 by checking for the unbuilt child and rebuilding the linkset the next tick. A warning message is output when this rebuild happens and this message is clamped to 10 times in case there is a problem with a loop.
2014-06-10Fix issue with BulletSim avatar level flight jitter by commenting out ↵Justin Clark-Casey (justincc)1-1/+12
RawVelocity update threshold for now in BSCharacter.UpdateProperties(). For some reason as yet unidentified (feedback?) a threshold above 0.4 here causes the RawVelocity to move between a lower and upper bound rather than remaining constant. The RawVelocity increased until it triggered the threshold update, at which point it started to decrease until it again triggered the threshhold update. This delta-v was enough to exceed the checks in ScenePresence.SendTerseUpdateToAllClients() and produce jittery avatar flight because of the fluctuating velocity. With a threshold of 0.4 (or 0, as with ODE), the RawVelocity remains constant in BulletSim and so avatar flight becomes mostly smooth - remaining occasional glitches appear to be a result of errors in distance extraploation. There are no obvious problems with commenting out the threshold. Misterblue, if this is wrong or I've missed some subtlety here, please feel free to revert and/or correct. The same considerations may or may not apply to object velocity updates.
2014-05-26BulletSim: add locking of PhysObjects while processing simulationRobert Adams1-14/+20
step updates and collisions. This is an attempt to fix a crash reported by Justin when doing high velocity teleports.
2014-05-22Add regression test for in-range chat between neighbouring regions from east ↵Justin Clark-Casey (justincc)1-0/+1
to west.
2014-05-17BulletSim: adjust avatar step up parameters to better walk up smallRobert Adams2-4/+4
staircases. This change is required because of the change in the avatar default shape from the capsule to the rectangle.
2014-04-29Add regression test for NPC movement on a variable region.Justin Clark-Casey (justincc)1-5/+12
Extends basic physics to allow av movement on a varregion (basic physics is only really useful for regression test purposes).
2014-04-28BulletSim: non-functional changes to debugging statements and formatting.Robert Adams1-6/+6
2014-04-28BUlletSim: move safeynet ground plane to lower altitude. Define new BulletSimRobert Adams2-2/+6
parameter 'TerrainGroundPlane' which defaults to -500. BulletSim had assumed altitudes never went negative but that is not true. The ground plane is just a safety net so things wouldn't fall to infinity.
2014-04-23Eliminated many warningsOren Hurvitz8-5/+25
2014-04-12BulletSim: reduce the terrain collison margin to be the same as otherRobert Adams1-1/+1
objects in the world. This was originally changed in an attempt to make vehicles work better but the effect was not that large and it causes avatars to float above the terrain.
2014-04-10BulletSim: small tweek to avatar height reduce feet embedded into prims.Robert Adams1-1/+1
This adjustment makes a default, shoeless avatar stand properly on a prim for the various heights (0% to 100% in the appearance adjustment).
2014-04-03BulletSim: Minor Fix to vehicle hovering, add more ways to disable it.Vegaslon1-1/+1
Signed-off-by: Michael Cerquoni <nebadon2025@gmail.com>
2014-04-02BulletSim: make avatar physical shape to be a rectangle rather thanRobert Adams3-11/+47
a capsule. Set the default to be the rectangle shape and adjust the parameters in OpenSimDefaults.ini for the new shape. The rectangle shape will perform better and avatar height can be computed more accurately.
2014-03-23BulletSim: fix problem where axis constraints were also constrainingRobert Adams1-3/+5
linear motion. The code was limiting linear motion to be only in the positive direction for any axis that was constrained.
2014-03-22BulletSim: Fix jumping while running. Was unintentional taking way all ↵Vegaslon1-1/+1
upward target motion for avatar when running. Signed-off-by: Michael Cerquoni <nebadon2025@gmail.com>
2014-02-11BulletSim: the minimum vehicle velocity was set too low so moving slowRobert Adams2-1/+12
was getting zeroed too easily. Added VehicleMinVelocity parameter.
2014-01-29BulletSim: default physical terrain implementation to heightmap.Robert Adams2-1/+9
It originally looked like mesh terrain would perform better for vehicles but, after much use, heightmap is the clear winner. Force terrain implementation to heightmap if the physics region is larger than legacy region size. This solves running out of memory for very large regions.
2014-01-10Fix crash in BulletSim which sometimes happens making a linkset physicalRobert Adams1-7/+32
(like sitting on and activating a vehicle) and crossing borders. This keeps better bookkeeping on compound shapes so BulletSim can identify them when being freed.
2013-12-26varregion: many more updates removing the constant RegionSize and replacingRobert Adams2-1/+2
with a passed region size. This time in the map code and grid services code.
2013-12-14Fix TestSitAndStandWithNoSitTarget NPC and SP tests.Justin Clark-Casey (justincc)1-8/+1
These stopped working because current code calculates sit heights based on avatar physics rather than appearance data. Also changed BasicPhysics to not divide Z param of all set sizes by 2 - there's no obvious good reason for this and basicphysics is only used in tests
2013-12-06apparently mono DeflateStream has no CopyTo method =(dahlia1-1/+5
2013-12-06use System.IO.Compression.DeflateStream for mesh decompression in an attempt ↵dahlia1-9/+5
to reduce mesh asset decoding failures
2013-11-04varregion: add plumbing to pass region size from Scene down to theRobert Adams6-10/+32
physics engine. Older physics engines will default to the legacy region size. Update BulletSim to use the new region size information.
2013-11-04varregion: remove uses of region size constant. In particular, update sceneRobert Adams1-5/+6
to check for border crossings based on the size of the region.
2013-11-01add null check for jpeg2000 sculpt image decode failure. Note: the ↵dahlia1-0/+9
j2kDecodeCache folder should be cleared after updating to this revision so that sculpts containing alpha can be re-decoded and successfully meshed.
2013-11-01discard alpha in 4-plane sculpt textures before generating physics proxy meshdahlia1-12/+7
2013-10-26BulletSim: update collision flags to make sure they fit in the shorts provided.Robert Adams1-7/+7
2013-10-23BulletSim: change collision flags for groundplane to not interact with ↵Robert Adams4-7/+13
static objects. Reorder collision flag setting code for terrain to fit pattern used elsewhere.
2013-10-15BulletSim: implement the SL bug where VEHICLE_HOVER_UP_ONLY disablesRobert Adams1-0/+12
the vehicle buoyancy if the vehicle is above its hover height. This is a known misfeature of this vehicle flag which has been accepted since it would break too many implementations. The problem is noticed when creating a jetski-like vehicle that jumps over sand bars. A boat normally is configured with neutral buoyancy and hovering at water height. When it jumps the sandbar, it needs to have gravity applied to get back to water level.
2013-10-11BulletSim: Fix snap back from edge of region problem. Mantis 6794.Robert Adams1-2/+13
2013-10-04Bump OPenSimulator version and assembly versions up to 0.8.0 DevJustin Clark-Casey (justincc)7-7/+7
2013-09-20BulletSim: reduce avatar walking stopped threshold.Robert Adams2-0/+4
Add parameter for setting the walking stopped threshold. This fixes the slight jump when an avatar stops walking.
2013-09-20BulletSim: zero velocity when avatar not moving.Robert Adams1-0/+1
This fixes a movement jitter that happens when an avatar is standing on a tilted surface.
2013-09-11BulletSim: remove collision cache clearing logic for physical objects.Robert Adams1-2/+5
This fixes constraints from getting messed up when properties change.
2013-09-11BulletSim: add ClearCollisionProxyCache function to API.Robert Adams4-2/+35
Add proxy cache clearing when some properties are changed. This fixes a problem where objects would stop colliding of they were moved with setPosition mulitple times.
2013-09-11BulletSim: add LSL function and plumbing for setting a springRobert Adams3-2/+37
equilibrium point in the physics engine constraint.
2013-09-11BulletSim: add extended physics LSL constants for axis specification.Robert Adams2-35/+60
Add specific error warnings for mis-matched parameter types in extended physics functions.
2013-09-11BulletSim: ability to specify groups of axis to modify in constraint ↵Robert Adams1-8/+45
parameters that control multiple axis. Add useLinearReferenceFrameA constraint parameter.
2013-09-11BulletSim: add axis parameter for specifying enable, damping, and stiffness ↵Robert Adams3-17/+38
for spring constraints. Renumber parameter ops since I can as no one is using them yet.
2013-09-11BulletSim: implementation of setting spring specific physical parameters. ↵Robert Adams3-35/+76
Add setting of linkset type to physChangeLinkParams. Lots of detail logging for setting of linkset constraint parameters.
2013-09-11BulletSim: add requestor's ID to post taint detail log message.Robert Adams1-2/+3
2013-09-11BulletSim: pass both root and child BSPhysObjects to Extension function. ↵Robert Adams2-22/+24
Update routines to use the new parameters list from above change.
2013-09-11BulletSim: add ID parameter to TaintedObject calls so logging will include ↵Robert Adams8-70/+89
LocalID of object which created the taint.
2013-09-11BulletSim: Extension parameters passed through the classes made to pass just ↵Robert Adams4-30/+80
and array of objects rather than a mixture of parameters and array. Makes understanding and parsing what is being passed much easier.
2013-09-11BulletSim: adjust avatar capsule height calculation to be closer to defined ↵Robert Adams2-7/+12
SL heights. Correct BSParam avatar height defaults to be what's in OpenSimDefaults.ini.
2013-09-11BulletSim: add extended physics function physGetLinkType(linkNum). Add ↵Robert Adams3-23/+144
implementation of physChangeLinkParams() in BSLinksetConstraint.
2013-09-11BulletSim: change ExtendedPhysics constants to 'const' so they can be used ↵Robert Adams1-0/+22
as case variables in switch statements.
2013-09-11BulletSim: add physChangeLinkParams to set individual parameters on link ↵Robert Adams5-73/+153
constraints. Not fully functional. Remove double definition of ExtendedPhysics parameters by having BulletSim reference the optional module (addition to prebuild.xml and usings).
2013-09-11BulletSim: update C++ HACD parameters to values that handle enclosed hollow ↵Robert Adams1-8/+8
spaces better. This shouldn't affect many since this HACD routine is off by default.
2013-09-11BulletSim: add physChangeLinkSpring to change linkset link to be a spring ↵Robert Adams4-11/+128
constraint. Add implementation to create spring constraint. Send up property updates for linkset children at the end of flexible linkset links. The simulator probably doesn't do the right thing yet.
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