BulletSim: rework velocity updating when not colliding and not flying

to prevent infinite jumps. Now jumps last only AvatarJumpFrames long
(default 4) which is about as high as in SL.
TODO: jumping should only depend on standing (collision with feet)
rather than collision anywhere on the avatar.

1 files changed, 3 insertions, 0 deletions

diff --git a/OpenSim/Region/Physics/BulletSPlugin/BSParam.cs b/OpenSim/Region/Physics/BulletSPlugin/BSParam.cs
index aad1108..6437b04 100755
--- a/OpenSim/Region/Physics/BulletSPlugin/BSParam.cs
+++ b/OpenSim/Region/Physics/BulletSPlugin/BSParam.cs
@@ -134,6 +134,7 @@ public static class BSParam
     public static float AvatarHeightMidFudge { get; private set; }
     public static float AvatarHeightHighFudge { get; private set; }
         public static float AvatarContactProcessingThreshold { get; private set; }
+        public static int AvatarJumpFrames { get; private set; }
         public static float AvatarBelowGroundUpCorrectionMeters { get; private set; }
         public static float AvatarStepHeight { get; private set; }
         public static float AvatarStepApproachFactor { get; private set; }
@@ -567,6 +568,8 @@ public static class BSParam
             0.1f ),
             new ParameterDefn<float>("AvatarBelowGroundUpCorrectionMeters", "Meters to move avatar up if it seems to be below ground",
             1.0f ),
+            new ParameterDefn<int>("AvatarJumpFrames", "Number of frames to allow jump forces. Changes jump height.",
+            4 ),
             new ParameterDefn<float>("AvatarStepHeight", "Height of a step obstacle to consider step correction",
             0.6f ) ,
             new ParameterDefn<float>("AvatarStepApproachFactor", "Factor to control angle of approach to step (0=straight on)",