From b22d0401693dad44790d4cbf58d85c0fe3870460 Mon Sep 17 00:00:00 2001 From: Robert Adams Date: Fri, 16 Mar 2012 16:37:21 -0700 Subject: BulletSim: add some new runtime setable parameters to match the dll. --- OpenSim/Region/Physics/BulletSPlugin/BSScene.cs | 13 ++++++++++--- OpenSim/Region/Physics/BulletSPlugin/BulletSimAPI.cs | 10 ++++++---- 2 files changed, 16 insertions(+), 7 deletions(-) (limited to 'OpenSim') diff --git a/OpenSim/Region/Physics/BulletSPlugin/BSScene.cs b/OpenSim/Region/Physics/BulletSPlugin/BSScene.cs index b1e551c..977dcbe 100644 --- a/OpenSim/Region/Physics/BulletSPlugin/BSScene.cs +++ b/OpenSim/Region/Physics/BulletSPlugin/BSScene.cs @@ -177,6 +177,7 @@ public class BSScene : PhysicsScene, IPhysicsParameters if (m_log.IsDebugEnabled) { m_log.DebugFormat("{0}: Initialize: Setting debug callback for unmanaged code", LogHeader); + // the handle is saved to it doesn't get freed after this call m_DebugLogCallbackHandle = new BulletSimAPI.DebugLogCallback(BulletLogger); BulletSimAPI.SetDebugLogCallback(m_DebugLogCallbackHandle); } @@ -185,7 +186,7 @@ public class BSScene : PhysicsScene, IPhysicsParameters mesher = meshmerizer; // The bounding box for the simulated world - Vector3 worldExtent = new Vector3(Constants.RegionSize, Constants.RegionSize, 4096f); + Vector3 worldExtent = new Vector3(Constants.RegionSize, Constants.RegionSize, 8192f); // m_log.DebugFormat("{0}: Initialize: Calling BulletSimAPI.Initialize.", LogHeader); m_worldID = BulletSimAPI.Initialize(worldExtent, m_paramsHandle.AddrOfPinnedObject(), @@ -233,7 +234,7 @@ public class BSScene : PhysicsScene, IPhysicsParameters parms.terrainFriction = 0.5f; parms.terrainHitFraction = 0.8f; parms.terrainRestitution = 0f; - parms.avatarFriction = 0.0f; + parms.avatarFriction = 0.5f; parms.avatarDensity = 60f; parms.avatarCapsuleRadius = 0.37f; parms.avatarCapsuleHeight = 1.5f; // 2.140599f @@ -716,6 +717,9 @@ public class BSScene : PhysicsScene, IPhysicsParameters // new PhysParameterEntry("CcdSweptSphereRadius", "" ), new PhysParameterEntry("ContactProcessingThreshold", "Distance between contacts before doing collision check" ), + new PhysParameterEntry("Friction", "Set friction parameter for a specific object" ), + new PhysParameterEntry("Restitution", "Set restitution parameter for a specific object" ), + new PhysParameterEntry("TerrainFriction", "Factor to reduce movement against terrain surface" ), new PhysParameterEntry("TerrainHitFraction", "Distance to measure hit collisions" ), new PhysParameterEntry("TerrainRestitution", "Bouncyness" ), @@ -756,7 +760,7 @@ public class BSScene : PhysicsScene, IPhysicsParameters case "defaultdensity": m_params[0].defaultDensity = val; break; case "defaultrestitution": m_params[0].defaultRestitution = val; break; case "collisionmargin": m_params[0].collisionMargin = val; break; - case "gravity": m_params[0].gravity = val; TaintedUpdateParameter(lparm, PhysParameterEntry.APPLY_TO_NONE, val); break; + case "gravity": m_params[0].gravity = val; TaintedUpdateParameter(lparm, localID, val); break; case "lineardamping": UpdateParameterPrims(ref m_params[0].linearDamping, lparm, localID, val); break; case "angulardamping": UpdateParameterPrims(ref m_params[0].angularDamping, lparm, localID, val); break; @@ -767,6 +771,9 @@ public class BSScene : PhysicsScene, IPhysicsParameters case "ccdsweptsphereradius": UpdateParameterPrims(ref m_params[0].ccdSweptSphereRadius, lparm, localID, val); break; case "contactprocessingthreshold": UpdateParameterPrims(ref m_params[0].contactProcessingThreshold, lparm, localID, val); break; + case "friction": TaintedUpdateParameter(lparm, localID, val); break; + case "restitution": TaintedUpdateParameter(lparm, localID, val); break; + // set a terrain physical feature and cause terrain to be recalculated case "terrainfriction": m_params[0].terrainFriction = val; TaintedUpdateParameter("terrain", 0, val); break; case "terrainhitfraction": m_params[0].terrainHitFraction = val; TaintedUpdateParameter("terrain", 0, val); break; diff --git a/OpenSim/Region/Physics/BulletSPlugin/BulletSimAPI.cs b/OpenSim/Region/Physics/BulletSPlugin/BulletSimAPI.cs index d12bd7d..aab0994 100644 --- a/OpenSim/Region/Physics/BulletSPlugin/BulletSimAPI.cs +++ b/OpenSim/Region/Physics/BulletSPlugin/BulletSimAPI.cs @@ -149,16 +149,16 @@ public static extern uint Initialize(Vector3 maxPosition, IntPtr parms, int maxUpdates, IntPtr updateArray); [DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity] -public static extern bool UpdateParameter(uint worldID, uint localID, - [MarshalAs(UnmanagedType.LPStr)]string paramCode, float value); - -[DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity] public static extern void SetHeightmap(uint worldID, [MarshalAs(UnmanagedType.LPArray)] float[] heightMap); [DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity] public static extern void Shutdown(uint worldID); +[DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity] +public static extern bool UpdateParameter(uint worldID, uint localID, + [MarshalAs(UnmanagedType.LPStr)]string paramCode, float value); +// =============================================================================== [DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity] public static extern int PhysicsStep(uint worldID, float timeStep, int maxSubSteps, float fixedTimeStep, out int updatedEntityCount, @@ -240,6 +240,7 @@ public static extern bool HasObject(uint worldID, uint id); [DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity] public static extern bool DestroyObject(uint worldID, uint id); +// =============================================================================== [DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity] public static extern SweepHit ConvexSweepTest(uint worldID, uint id, Vector3 to, float extraMargin); @@ -249,6 +250,7 @@ public static extern RaycastHit RayTest(uint worldID, uint id, Vector3 from, Vec [DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity] public static extern Vector3 RecoverFromPenetration(uint worldID, uint id); +// =============================================================================== [DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity] public static extern void DumpBulletStatistics(); -- cgit v1.1