// Create the correct type of linkset for this child
public static BSLinkset Factory(BSScene physScene, BSPrimLinkable parent)
{
BSLinkset ret = null;
switch (parent.LinksetType)
{
case LinksetImplementation.Constraint:
ret = new BSLinksetConstraints(physScene, parent);
break;
case LinksetImplementation.Compound:
ret = new BSLinksetCompound(physScene, parent);
break;
case LinksetImplementation.Manual:
// ret = new BSLinksetManual(physScene, parent);
break;
default:
ret = new BSLinksetCompound(physScene, parent);
break;
}
if (ret == null)
{
physScene.Logger.ErrorFormat("[BULLETSIM LINKSET] Factory could not create linkset. Parent name={1}, ID={2}", parent.Name, parent.LocalID);
}
return(ret);
}
// Dereferencing a compound shape releases the hold on all the child shapes.
public override void Dereference(BSScene physicsScene)
{
lock (physShapeInfo)
{
this.DecrementReference();
physicsScene.DetailLog("{0},BSShapeCompound.Dereference,shape={1}", BSScene.DetailLogZero, this);
if (referenceCount <= 0)
{
if (!physicsScene.PE.IsCompound(physShapeInfo))
{
// Failed the sanity check!!
physicsScene.Logger.ErrorFormat("{0} Attempt to free a compound shape that is not compound!! type={1}, ptr={2}",
LogHeader, physShapeInfo.shapeType, physShapeInfo.AddrString);
physicsScene.DetailLog("{0},BSShapeCollection.DereferenceCompound,notACompoundShape,type={1},ptr={2}",
BSScene.DetailLogZero, physShapeInfo.shapeType, physShapeInfo.AddrString);
return;
}
int numChildren = physicsScene.PE.GetNumberOfCompoundChildren(physShapeInfo);
physicsScene.DetailLog("{0},BSShapeCollection.DereferenceCompound,shape={1},children={2}",
BSScene.DetailLogZero, physShapeInfo, numChildren);
// Loop through all the children dereferencing each.
for (int ii = numChildren - 1; ii >= 0; ii--)
{
BulletShape childShape = physicsScene.PE.RemoveChildShapeFromCompoundShapeIndex(physShapeInfo, ii);
DereferenceAnonCollisionShape(physicsScene, childShape);
}
physicsScene.PE.DeleteCollisionShape(physicsScene.World, physShapeInfo);
}
}
}
public static BSShape GetReference(BSScene physicsScene, bool forceRebuild, BSPhysObject prim)
{
float lod;
System.UInt64 newHullKey = BSShape.ComputeShapeKey(prim.Size, prim.BaseShape, out lod);
BSShapeHull retHull = null;
lock (Hulls)
{
if (Hulls.TryGetValue(newHullKey, out retHull))
{
// The mesh has already been created. Return a new reference to same.
retHull.IncrementReference();
}
else
{
retHull = new BSShapeHull(new BulletShape());
// An instance of this mesh has not been created. Build and remember same.
BulletShape newShape = retHull.CreatePhysicalHull(physicsScene, prim, newHullKey, prim.BaseShape, prim.Size, lod);
// Check to see if hull was created (might require an asset).
newShape = VerifyMeshCreated(physicsScene, newShape, prim);
if (!newShape.isNativeShape || prim.PrimAssetState == BSPhysObject.PrimAssetCondition.Failed)
{
// If a mesh was what was created, remember the built shape for later sharing.
Hulls.Add(newHullKey, retHull);
}
retHull.physShapeInfo = newShape;
}
}
physicsScene.DetailLog("{0},BSShapeHull,getReference,hull={1},size={2},lod={3}", prim.LocalID, retHull, prim.Size, lod);
return(retHull);
}
private static BulletShape CreatePhysicalNativeShape(BSScene physicsScene, BSPhysObject prim,
BSPhysicsShapeType shapeType, FixedShapeKey shapeKey)
{
BulletShape newShape;
ShapeData nativeShapeData = new ShapeData();
nativeShapeData.Type = shapeType;
nativeShapeData.ID = prim.LocalID;
nativeShapeData.Scale = prim.Scale;
nativeShapeData.Size = prim.Scale;
nativeShapeData.MeshKey = (ulong)shapeKey;
nativeShapeData.HullKey = (ulong)shapeKey;
if (shapeType == BSPhysicsShapeType.SHAPE_CAPSULE)
{
newShape = physicsScene.PE.BuildCapsuleShape(physicsScene.World, 1f, 1f, prim.Scale);
physicsScene.DetailLog("{0},BSShapeNative,capsule,scale={1}", prim.LocalID, prim.Scale);
}
else
{
newShape = physicsScene.PE.BuildNativeShape(physicsScene.World, nativeShapeData);
}
if (!newShape.HasPhysicalShape)
{
physicsScene.Logger.ErrorFormat("{0} BuildPhysicalNativeShape failed. ID={1}, shape={2}",
LogHeader, prim.LocalID, shapeType);
}
newShape.shapeType = shapeType;
newShape.isNativeShape = true;
newShape.shapeKey = (UInt64)shapeKey;
return(newShape);
}
public override BSShape GetReference(BSScene physicsScene, BSPhysObject prim)
{
// Calling this reference means we want another handle to an existing shape
// (usually linksets) so return this copy.
IncrementReference();
return(this);
}
private BSShapeNative(BSScene physicsScene, BSPhysObject prim,
BSPhysicsShapeType shapeType, FixedShapeKey shapeKey)
{
ShapeData nativeShapeData = new ShapeData();
nativeShapeData.Type = shapeType;
nativeShapeData.ID = prim.LocalID;
nativeShapeData.Scale = prim.Scale;
nativeShapeData.Size = prim.Scale;
nativeShapeData.MeshKey = (ulong)shapeKey;
nativeShapeData.HullKey = (ulong)shapeKey;
/*
* if (shapeType == BSPhysicsShapeType.SHAPE_CAPSULE)
* {
* ptr = PhysicsScene.PE.BuildCapsuleShape(physicsScene.World, 1f, 1f, prim.Scale);
* physicsScene.DetailLog("{0},BSShapeCollection.BuiletPhysicalNativeShape,capsule,scale={1}", prim.LocalID, prim.Scale);
* }
* else
* {
* ptr = PhysicsScene.PE.BuildNativeShape(physicsScene.World, nativeShapeData);
* }
* if (ptr == IntPtr.Zero)
* {
* physicsScene.Logger.ErrorFormat("{0} BuildPhysicalNativeShape failed. ID={1}, shape={2}",
* LogHeader, prim.LocalID, shapeType);
* }
* type = shapeType;
* key = (UInt64)shapeKey;
*/
}
public BSActorLockAxis(BSScene physicsScene, BSPhysObject pObj, string actorName)
: base(physicsScene, pObj, actorName)
{
m_physicsScene.DetailLog("{0},BSActorLockAxis,constructor", m_controllingPrim.LocalID);
LockAxisConstraint = null;
HaveRegisteredForBeforeStepCallback = false;
}
private BSShapeNative(BSScene physicsScene, BSPhysObject prim,
BSPhysicsShapeType shapeType, FixedShapeKey shapeKey)
{
ShapeData nativeShapeData = new ShapeData();
nativeShapeData.Type = shapeType;
nativeShapeData.ID = prim.LocalID;
nativeShapeData.Scale = prim.Scale;
nativeShapeData.Size = prim.Scale;
nativeShapeData.MeshKey = (ulong)shapeKey;
nativeShapeData.HullKey = (ulong)shapeKey;
if (shapeType == BSPhysicsShapeType.SHAPE_CAPSULE)
{
ptr = BulletSimAPI.BuildCapsuleShape2(physicsScene.World.ptr, 1f, 1f, prim.Scale);
physicsScene.DetailLog("{0},BSShapeCollection.BuiletPhysicalNativeShape,capsule,scale={1}", prim.LocalID, prim.Scale);
}
else
{
ptr = BulletSimAPI.BuildNativeShape2(physicsScene.World.ptr, nativeShapeData);
}
if (ptr == null)
{
physicsScene.Logger.ErrorFormat("{0} BuildPhysicalNativeShape failed. ID={1}, shape={2}",
LogHeader, prim.LocalID, shapeType);
}
type = shapeType;
key = (UInt64)shapeKey;
}
public BSActorAvatarMove(BSScene physicsScene, BSPhysObject pObj, string actorName)
: base(physicsScene, pObj, actorName)
{
m_velocityMotor = null;
m_walkingUpStairs = 0;
m_physicsScene.DetailLog("{0},BSActorAvatarMove,constructor", m_controllingPrim.LocalID);
}
public static BSShape GetReference(BSScene physicsScene, BSPhysObject prim,
BSPhysicsShapeType shapeType, FixedShapeKey shapeKey)
{
// Native shapes are not shared and are always built anew.
//return new BSShapeNative(physicsScene, prim, shapeType, shapeKey);
return(null);
}
public BSActor(BSScene physicsScene, BSPhysObject pObj, string actorName)
{
m_physicsScene = physicsScene;
m_controllingPrim = pObj;
ActorName = actorName;
Enabled = true;
}
// Make this reference to the physical shape go away since native shapes are not shared.
public override void Dereference(BSScene physicsScene)
{
// Native shapes are not tracked and are released immediately
physicsScene.DetailLog("{0},BSShapeCollection.DereferenceShape,deleteNativeShape,shape={1}", BSScene.DetailLogZero, this);
BulletSimAPI.DeleteCollisionShape2(physicsScene.World.ptr, ptr);
ptr = null;
// Garbage collection will free up this instance.
}
public BSCharacter(
uint localID, String avName, BSScene parent_scene, OMV.Vector3 pos, OMV.Vector3 vel, OMV.Vector3 size, bool isFlying)
: base(parent_scene, localID, avName, "BSCharacter")
{
_physicsActorType = (int)ActorTypes.Agent;
RawPosition = pos;
_flying = isFlying;
RawOrientation = OMV.Quaternion.Identity;
RawVelocity = vel;
_buoyancy = ComputeBuoyancyFromFlying(isFlying);
Friction = BSParam.AvatarStandingFriction;
Density = BSParam.AvatarDensity;
// Old versions of ScenePresence passed only the height. If width and/or depth are zero,
// replace with the default values.
_size = size;
if (_size.X == 0f)
{
_size.X = BSParam.AvatarCapsuleDepth;
}
if (_size.Y == 0f)
{
_size.Y = BSParam.AvatarCapsuleWidth;
}
// The dimensions of the physical capsule are kept in the scale.
// Physics creates a unit capsule which is scaled by the physics engine.
Scale = ComputeAvatarScale(_size);
// set _avatarVolume and _mass based on capsule size, _density and Scale
ComputeAvatarVolumeAndMass();
DetailLog(
"{0},BSCharacter.create,call,size={1},scale={2},density={3},volume={4},mass={5},pos={6},vel={7}",
LocalID, _size, Scale, Density, _avatarVolume, RawMass, pos, vel);
// do actual creation in taint time
PhysScene.TaintedObject(LocalID, "BSCharacter.create", delegate()
{
DetailLog("{0},BSCharacter.create,taint", LocalID);
// New body and shape into PhysBody and PhysShape
PhysScene.Shapes.GetBodyAndShape(true, PhysScene.World, this);
// The avatar's movement is controlled by this motor that speeds up and slows down
// the avatar seeking to reach the motor's target speed.
// This motor runs as a prestep action for the avatar so it will keep the avatar
// standing as well as moving. Destruction of the avatar will destroy the pre-step action.
m_moveActor = new BSActorAvatarMove(PhysScene, this, AvatarMoveActorName);
PhysicalActors.Add(AvatarMoveActorName, m_moveActor);
SetPhysicalProperties();
IsInitialized = true;
});
return;
}
public BSShapeCollection(BSScene physScene)
{
m_physicsScene = physScene;
// Set the next to 'true' for very detailed shape update detailed logging (detailed details?)
// While detailed debugging is still active, this is better than commenting out all the
// DetailLog statements. When debugging slows down, this and the protected logging
// statements can be commented/removed.
DDetail = true;
}
public void TearDown()
{
if (PhysicsScene != null)
{
// The Dispose() will also free any physical objects in the scene
PhysicsScene.Dispose();
PhysicsScene = null;
}
}
// Apply the specificed collision mask into the physical world
public virtual bool ApplyCollisionMask(BSScene physicsScene)
{
// Should assert the body has been added to the physical world.
// (The collision masks are stored in the collision proxy cache which only exists for
// a collision body that is in the world.)
return(physicsScene.PE.SetCollisionGroupMask(this,
BulletSimData.CollisionTypeMasks[collisionType].group,
BulletSimData.CollisionTypeMasks[collisionType].mask));
}
// Dereferencing a compound shape releases the hold on all the child shapes.
public override void Dereference(BSScene physicsScene)
{
lock (ConvexHulls)
{
this.DecrementReference();
physicsScene.DetailLog("{0},BSShapeConvexHull.Dereference,shape={1}", BSScene.DetailLogZero, this);
// TODO: schedule aging and destruction of unused meshes.
}
}
// Make this reference to the physical shape go away since native shapes are not shared.
public override void Dereference(BSScene physicsScene)
{
/*
* // Native shapes are not tracked and are released immediately
* physicsScene.DetailLog("{0},BSShapeCollection.DereferenceShape,deleteNativeShape,shape={1}", BSScene.DetailLogZero, this);
* PhysicsScene.PE.DeleteCollisionShape(physicsScene.World, this);
* ptr = IntPtr.Zero;
* // Garbage collection will free up this instance.
*/
}
public BSPrimLinkable(uint localID, String primName, BSScene parent_scene, OMV.Vector3 pos, OMV.Vector3 size,
OMV.Quaternion rotation, PrimitiveBaseShape pbs, bool pisPhysical)
: base(localID, primName, parent_scene, pos, size, rotation, pbs, pisPhysical)
{
// Default linkset implementation for this prim
LinksetType = (BSLinkset.LinksetImplementation)BSParam.LinksetImplementation;
Linkset = BSLinkset.Factory(PhysScene, this);
Linkset.Refresh(this);
}
private BSShapeNative(BSScene physicsScene, BSPhysObject prim,
BSPhysicsShapeType shapeType, FixedShapeKey shapeKey)
{
ShapeData nativeShapeData = new ShapeData();
nativeShapeData.Type = shapeType;
nativeShapeData.ID = prim.LocalID;
nativeShapeData.Scale = prim.Scale;
nativeShapeData.Size = prim.Scale;
nativeShapeData.MeshKey = (ulong)shapeKey;
nativeShapeData.HullKey = (ulong)shapeKey;
}
public override BSShape GetReference(BSScene pPhysicsScene, BSPhysObject pPrim)
{
// Native shapes are not shared so we return a new shape.
BSShape ret = null;
lock (physShapeInfo)
{
ret = new BSShapeNative(CreatePhysicalNativeShape(pPhysicsScene, pPrim,
physShapeInfo.shapeType, (FixedShapeKey)physShapeInfo.shapeKey));
}
return(ret);
}
public BSTerrainManager(BSScene physicsScene, Vector3 regionSize)
{
m_physicsScene = physicsScene;
DefaultRegionSize = regionSize;
m_terrains = new Dictionary <Vector3, BSTerrainPhys>();
// Assume one region of default size
m_worldOffset = Vector3.Zero;
m_worldMax = new Vector3(DefaultRegionSize);
MegaRegionParentPhysicsScene = null;
}
// 'engineName' is the Bullet engine to use. Either null (for unmanaged), "BulletUnmanaged" or "BulletXNA"
// 'params' is a set of keyValue pairs to set in the engine's configuration file (override defaults)
// May be 'null' if there are no overrides.
public static BSScene CreateBasicPhysicsEngine(Dictionary <string, string> paramOverrides)
{
IConfigSource openSimINI = new IniConfigSource();
IConfig startupConfig = openSimINI.AddConfig("Startup");
startupConfig.Set("physics", "BulletSim");
startupConfig.Set("meshing", "Meshmerizer");
startupConfig.Set("cacheSculptMaps", "false"); // meshmerizer shouldn't save maps
IConfig bulletSimConfig = openSimINI.AddConfig("BulletSim");
// If the caller cares, specify the bullet engine otherwise it will default to "BulletUnmanaged".
// bulletSimConfig.Set("BulletEngine", "BulletUnmanaged");
// bulletSimConfig.Set("BulletEngine", "BulletXNA");
bulletSimConfig.Set("MeshSculptedPrim", "false");
bulletSimConfig.Set("ForceSimplePrimMeshing", "true");
if (paramOverrides != null)
{
foreach (KeyValuePair <string, string> kvp in paramOverrides)
{
bulletSimConfig.Set(kvp.Key, kvp.Value);
}
}
// If a special directory exists, put detailed logging therein.
// This allows local testing/debugging without having to worry that the build engine will output logs.
if (Directory.Exists("physlogs"))
{
bulletSimConfig.Set("PhysicsLoggingDir", "./physlogs");
bulletSimConfig.Set("PhysicsLoggingEnabled", "True");
bulletSimConfig.Set("PhysicsLoggingDoFlush", "True");
bulletSimConfig.Set("VehicleLoggingEnabled", "True");
}
PhysicsPluginManager physicsPluginManager;
physicsPluginManager = new PhysicsPluginManager();
physicsPluginManager.LoadPluginsFromAssemblies("Physics");
Vector3 regionExtent = new Vector3(Constants.RegionSize, Constants.RegionSize, Constants.RegionHeight);
PhysicsScene pScene = physicsPluginManager.GetPhysicsScene(
"BulletSim", "Meshmerizer", openSimINI, "BSTestRegion", regionExtent);
BSScene bsScene = pScene as BSScene;
// Since the asset requestor is not initialized, any mesh or sculptie will be a cube.
// In the future, add a fake asset fetcher to get meshes and sculpts.
// bsScene.RequestAssetMethod = ???;
return(bsScene);
}
// This minCoords and maxCoords passed in give the size of the terrain (min and max Z
// are the high and low points of the heightmap).
public BSTerrainHeightmap(BSScene physicsScene, Vector3 regionBase, uint id, float[] initialMap,
Vector3 minCoords, Vector3 maxCoords)
: base(physicsScene, regionBase, id)
{
m_mapInfo = new BulletHMapInfo(id, initialMap, maxCoords.X - minCoords.X, maxCoords.Y - minCoords.Y);
m_mapInfo.minCoords = minCoords;
m_mapInfo.maxCoords = maxCoords;
m_mapInfo.minZ = minCoords.Z;
m_mapInfo.maxZ = maxCoords.Z;
m_mapInfo.terrainRegionBase = TerrainBase;
// Don't have to free any previous since we just got here.
BuildHeightmapTerrain();
}
// Make this reference to the physical shape go away since native shapes are not shared.
public override void Dereference(BSScene physicsScene)
{
// Native shapes are not tracked and are released immediately
lock (physShapeInfo)
{
if (physShapeInfo.HasPhysicalShape)
{
physicsScene.DetailLog("{0},BSShapeNative.Dereference,deleteNativeShape,shape={1}", BSScene.DetailLogZero, this);
physicsScene.PE.DeleteCollisionShape(physicsScene.World, physShapeInfo);
}
physShapeInfo.Clear();
// Garbage collection will free up this instance.
}
}
public static BSShape GetReference(BSScene physicsScene, bool forceRebuild, BSPhysObject prim)
{
float lod;
System.UInt64 newMeshKey = BSShape.ComputeShapeKey(prim.Size, prim.BaseShape, out lod);
physicsScene.DetailLog("{0},BSShapeMesh,getReference,newKey={1},size={2},lod={3}",
prim.LocalID, newMeshKey.ToString("X"), prim.Size, lod);
BSShapeConvexHull retConvexHull = null;
lock (ConvexHulls)
{
if (ConvexHulls.TryGetValue(newMeshKey, out retConvexHull))
{
// The mesh has already been created. Return a new reference to same.
retConvexHull.IncrementReference();
}
else
{
retConvexHull = new BSShapeConvexHull(new BulletShape());
BulletShape convexShape = null;
// Get a handle to a mesh to build the hull from
BSShape baseMesh = BSShapeMesh.GetReference(physicsScene, false /* forceRebuild */, prim);
if (baseMesh.physShapeInfo.isNativeShape)
{
// We get here if the mesh was not creatable. Could be waiting for an asset from the disk.
// In the short term, we return the native shape and a later ForceBodyShapeRebuild should
// get back to this code with a buildable mesh.
// TODO: not sure the temp native shape is freed when the mesh is rebuilt. When does this get freed?
convexShape = baseMesh.physShapeInfo;
}
else
{
convexShape = physicsScene.PE.BuildConvexHullShapeFromMesh(physicsScene.World, baseMesh.physShapeInfo);
convexShape.shapeKey = newMeshKey;
ConvexHulls.Add(convexShape.shapeKey, retConvexHull);
}
// Done with the base mesh
baseMesh.Dereference(physicsScene);
retConvexHull.physShapeInfo = convexShape;
}
}
return(retConvexHull);
}
protected BSPhysObject(BSScene parentScene, uint localID, string name, string typeName)
{
IsInitialized = false;
PhysScene = parentScene;
LocalID = localID;
PhysObjectName = name;
Name = name; // PhysicsActor also has the name of the object. Someday consolidate.
TypeName = typeName;
// Oddity if object is destroyed and recreated very quickly it could still have the old body.
if (!PhysBody.HasPhysicalBody)
{
PhysBody = new BulletBody(localID);
}
// Clean out anything that might be in the physical actor list.
// Again, a workaround for destroying and recreating an object very quickly.
PhysicalActors.Dispose();
UserSetCenterOfMassDisplacement = null;
PrimAssetState = PrimAssetCondition.Unknown;
// Initialize variables kept in base.
// Beware that these cause taints to be queued whch can cause race conditions on startup.
GravModifier = 1.0f;
Gravity = new OMV.Vector3(0f, 0f, BSParam.Gravity);
HoverActive = false;
// Default material type. Also sets Friction, Restitution and Density.
SetMaterial((int)MaterialAttributes.Material.Wood);
CollisionsLastTickStep = -1;
SubscribedEventsMs = 0;
// Crazy values that will never be true
CollidingStep = BSScene.NotASimulationStep;
CollidingGroundStep = BSScene.NotASimulationStep;
CollisionAccumulation = BSScene.NotASimulationStep;
ColliderIsMoving = false;
CollisionScore = 0;
// All axis free.
LockedLinearAxis = LockedAxisFree;
LockedAngularAxis = LockedAxisFree;
}
public BSCharacter(
uint localID, String avName, BSScene parent_scene, OMV.Vector3 pos, OMV.Vector3 vel, OMV.Vector3 size, float footOffset, bool isFlying)
: base(parent_scene, localID, avName, "BSCharacter")
{
_physicsActorType = (int)ActorTypes.Agent;
RawPosition = pos;
_flying = isFlying;
RawOrientation = OMV.Quaternion.Identity;
RawVelocity = vel;
_buoyancy = ComputeBuoyancyFromFlying(isFlying);
Friction = BSParam.AvatarStandingFriction;
Density = BSParam.AvatarDensity;
_isPhysical = true;
_footOffset = footOffset;
// Adjustments for zero X and Y made in Size()
// This also computes avatar scale, volume, and mass
SetAvatarSize(size, footOffset, true /* initializing */);
DetailLog(
"{0},BSCharacter.create,call,size={1},scale={2},density={3},volume={4},mass={5},pos={6},vel={7}",
LocalID, Size, Scale, Density, _avatarVolume, RawMass, pos, vel);
// do actual creation in taint time
PhysScene.TaintedObject(LocalID, "BSCharacter.create", delegate()
{
DetailLog("{0},BSCharacter.create,taint", LocalID);
// New body and shape into PhysBody and PhysShape
PhysScene.Shapes.GetBodyAndShape(true, PhysScene.World, this);
// The avatar's movement is controlled by this motor that speeds up and slows down
// the avatar seeking to reach the motor's target speed.
// This motor runs as a prestep action for the avatar so it will keep the avatar
// standing as well as moving. Destruction of the avatar will destroy the pre-step action.
m_moveActor = new BSActorAvatarMove(PhysScene, this, AvatarMoveActorName);
PhysicalActors.Add(AvatarMoveActorName, m_moveActor);
SetPhysicalProperties();
IsInitialized = true;
});
return;
}
protected BSLinkset(BSScene scene, BSPrimLinkable parent)
{
// A simple linkset of one (no children)
LinksetID = m_nextLinksetID++;
// We create LOTS of linksets.
if (m_nextLinksetID <= 0)
{
m_nextLinksetID = 1;
}
m_physicsScene = scene;
LinksetRoot = parent;
m_children = new Dictionary <BSPrimLinkable, BSLinkInfo>();
LinksetMass = parent.RawMass;
Rebuilding = false;
RebuildScheduled = false;
parent.ClearDisplacement();
}
// Constructor to build a default, flat heightmap terrain.
public BSTerrainHeightmap(BSScene physicsScene, Vector3 regionBase, uint id, Vector3 regionSize)
: base(physicsScene, regionBase, id)
{
Vector3 minTerrainCoords = new Vector3(0f, 0f, BSTerrainManager.HEIGHT_INITIALIZATION - BSTerrainManager.HEIGHT_EQUAL_FUDGE);
Vector3 maxTerrainCoords = new Vector3(regionSize.X, regionSize.Y, BSTerrainManager.HEIGHT_INITIALIZATION);
int totalHeights = (int)maxTerrainCoords.X * (int)maxTerrainCoords.Y;
float[] initialMap = new float[totalHeights];
for (int ii = 0; ii < totalHeights; ii++)
{
initialMap[ii] = BSTerrainManager.HEIGHT_INITIALIZATION;
}
m_mapInfo = new BulletHMapInfo(id, initialMap, regionSize.X, regionSize.Y);
m_mapInfo.minCoords = minTerrainCoords;
m_mapInfo.maxCoords = maxTerrainCoords;
m_mapInfo.terrainRegionBase = TerrainBase;
// Don't have to free any previous since we just got here.
BuildHeightmapTerrain();
}
// 'engineName' is the Bullet engine to use. Either null (for unmanaged), "BulletUnmanaged" or "BulletXNA"
// 'params' is a set of keyValue pairs to set in the engine's configuration file (override defaults)
// May be 'null' if there are no overrides.
public static BSScene CreateBasicPhysicsEngine(Dictionary<string,string> paramOverrides)
{
IConfigSource openSimINI = new IniConfigSource();
IConfig startupConfig = openSimINI.AddConfig("Startup");
startupConfig.Set("physics", "BulletSim");
startupConfig.Set("meshing", "Meshmerizer");
startupConfig.Set("cacheSculptMaps", "false"); // meshmerizer shouldn't save maps
IConfig bulletSimConfig = openSimINI.AddConfig("BulletSim");
// If the caller cares, specify the bullet engine otherwise it will default to "BulletUnmanaged".
// bulletSimConfig.Set("BulletEngine", "BulletUnmanaged");
// bulletSimConfig.Set("BulletEngine", "BulletXNA");
bulletSimConfig.Set("MeshSculptedPrim", "false");
bulletSimConfig.Set("ForceSimplePrimMeshing", "true");
if (paramOverrides != null)
{
foreach (KeyValuePair<string, string> kvp in paramOverrides)
{
bulletSimConfig.Set(kvp.Key, kvp.Value);
}
}
// If a special directory exists, put detailed logging therein.
// This allows local testing/debugging without having to worry that the build engine will output logs.
if (Directory.Exists("physlogs"))
{
bulletSimConfig.Set("PhysicsLoggingDir","./physlogs");
bulletSimConfig.Set("PhysicsLoggingEnabled","True");
bulletSimConfig.Set("PhysicsLoggingDoFlush","True");
bulletSimConfig.Set("VehicleLoggingEnabled","True");
}
Vector3 regionExtent = new Vector3(Constants.RegionSize, Constants.RegionSize, Constants.RegionHeight);
RegionInfo info = new RegionInfo();
info.RegionName = "BSTestRegion";
info.RegionSizeX = info.RegionSizeY = info.RegionSizeZ = Constants.RegionSize;
OpenSim.Region.Framework.Scenes.Scene scene = new OpenSim.Region.Framework.Scenes.Scene(info);
IMesher mesher = new OpenSim.Region.PhysicsModules.Meshing.Meshmerizer();
INonSharedRegionModule mod = mesher as INonSharedRegionModule;
mod.Initialise(openSimINI);
mod.AddRegion(scene);
mod.RegionLoaded(scene);
BSScene pScene = new BSScene();
mod = (pScene as INonSharedRegionModule);
mod.Initialise(openSimINI);
mod.AddRegion(scene);
mod.RegionLoaded(scene);
// Since the asset requestor is not initialized, any mesh or sculptie will be a cube.
// In the future, add a fake asset fetcher to get meshes and sculpts.
// bsScene.RequestAssetMethod = ???;
return pScene;
}
