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authorRobert Adams2014-01-29 06:44:14 -0800
committerRobert Adams2014-01-29 06:44:14 -0800
commit0842e2e15b6af6f940648b0b74488f2da88ce920 (patch)
treee836bebbc79f4a05d13bb370bf7ad3db28eb9aa5 /OpenSim
parentMerge branch 'master' of ssh://opensimulator.org/var/git/opensim (diff)
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BulletSim: default physical terrain implementation to heightmap.
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.
Diffstat (limited to 'OpenSim')
-rwxr-xr-xOpenSim/Region/Physics/BulletSPlugin/BSParam.cs2
-rw-r--r--OpenSim/Region/Physics/BulletSPlugin/BSScene.cs8
2 files changed, 9 insertions, 1 deletions
diff --git a/OpenSim/Region/Physics/BulletSPlugin/BSParam.cs b/OpenSim/Region/Physics/BulletSPlugin/BSParam.cs
index 834228e..d993e6a 100755
--- a/OpenSim/Region/Physics/BulletSPlugin/BSParam.cs
+++ b/OpenSim/Region/Physics/BulletSPlugin/BSParam.cs
@@ -538,7 +538,7 @@ public static class BSParam
538 (s,o) => { s.PE.SetContactProcessingThreshold(o.PhysBody, ContactProcessingThreshold); } ), 538 (s,o) => { s.PE.SetContactProcessingThreshold(o.PhysBody, ContactProcessingThreshold); } ),
539 539
540 new ParameterDefn<float>("TerrainImplementation", "Type of shape to use for terrain (0=heightmap, 1=mesh)", 540 new ParameterDefn<float>("TerrainImplementation", "Type of shape to use for terrain (0=heightmap, 1=mesh)",
541 (float)BSTerrainPhys.TerrainImplementation.Mesh ), 541 (float)BSTerrainPhys.TerrainImplementation.Heightmap ),
542 new ParameterDefn<int>("TerrainMeshMagnification", "Number of times the 256x256 heightmap is multiplied to create the terrain mesh" , 542 new ParameterDefn<int>("TerrainMeshMagnification", "Number of times the 256x256 heightmap is multiplied to create the terrain mesh" ,
543 2 ), 543 2 ),
544 new ParameterDefn<float>("TerrainFriction", "Factor to reduce movement against terrain surface" , 544 new ParameterDefn<float>("TerrainFriction", "Factor to reduce movement against terrain surface" ,
diff --git a/OpenSim/Region/Physics/BulletSPlugin/BSScene.cs b/OpenSim/Region/Physics/BulletSPlugin/BSScene.cs
index fe014fc..2d2e55f 100644
--- a/OpenSim/Region/Physics/BulletSPlugin/BSScene.cs
+++ b/OpenSim/Region/Physics/BulletSPlugin/BSScene.cs
@@ -235,6 +235,14 @@ public sealed class BSScene : PhysicsScene, IPhysicsParameters
235 // Set default values for physics parameters plus any overrides from the ini file 235 // Set default values for physics parameters plus any overrides from the ini file
236 GetInitialParameterValues(config); 236 GetInitialParameterValues(config);
237 237
238 // Force some parameters to values depending on other configurations
239 // Only use heightmap terrain implementation if terrain larger than legacy size
240 if ((uint)regionExtent.X > Constants.RegionSize || (uint)regionExtent.Y > Constants.RegionSize)
241 {
242 m_log.WarnFormat("{0} Forcing terrain implementation to heightmap for large region", LogHeader);
243 BSParam.TerrainImplementation = (float)BSTerrainPhys.TerrainImplementation.Heightmap;
244 }
245
238 // Get the connection to the physics engine (could be native or one of many DLLs) 246 // Get the connection to the physics engine (could be native or one of many DLLs)
239 PE = SelectUnderlyingBulletEngine(BulletEngineName); 247 PE = SelectUnderlyingBulletEngine(BulletEngineName);
240 248