/// <summary>
/// Initiailizes the scene
/// Sets many properties that ODE requires to be stable
/// These settings need to be tweaked 'exactly' right or weird stuff happens.
/// </summary>
private void Initialise(Vector3 regionExtent)
{
WorldExtents.X = regionExtent.X;
m_regionWidth = (uint)regionExtent.X;
WorldExtents.Y = regionExtent.Y;
m_regionHeight = (uint)regionExtent.Y;
m_suportCombine = false;
nearCallback = near;
triCallback = TriCallback;
triArrayCallback = TriArrayCallback;
m_rayCastManager = new ODERayCastRequestManager(this);
// Create the world and the first space
world = d.WorldCreate();
space = d.HashSpaceCreate(IntPtr.Zero);
contactgroup = d.JointGroupCreate(0);
d.WorldSetAutoDisableFlag(world, false);
#if USE_DRAWSTUFF
Thread viewthread = new Thread(new ParameterizedThreadStart(startvisualization));
viewthread.Start();
#endif
// _watermap = new float[258 * 258];
// Zero out the prim spaces array (we split our space into smaller spaces so
// we can hit test less.
}
/// <summary>
/// Initiailizes the scene
/// Sets many properties that ODE requires to be stable
/// These settings need to be tweaked 'exactly' right or weird stuff happens.
/// </summary>
private void Initialise(Vector3 regionExtent)
{
WorldExtents.X = regionExtent.X;
m_regionWidth = (uint)regionExtent.X;
WorldExtents.Y = regionExtent.Y;
m_regionHeight = (uint)regionExtent.Y;
m_suportCombine = false;
nearCallback = near;
m_rayCastManager = new ODERayCastRequestManager(this);
// Create the world and the first space
world = d.WorldCreate();
space = d.HashSpaceCreate(IntPtr.Zero);
contactgroup = d.JointGroupCreate(0);
d.WorldSetAutoDisableFlag(world, false);
}
/*
private void randomizeWater(float baseheight)
{
uint heightmapWidth = m_regionWidth + 2;
uint heightmapHeight = m_regionHeight + 2;
uint heightmapWidthSamples = m_regionWidth + 2;
uint heightmapHeightSamples = m_regionHeight + 2;
float scale = 1.0f;
float offset = 0.0f;
float thickness = 2.9f;
int wrap = 0;
for (int i = 0; i < (258 * 258); i++)
{
_watermap[i] = (baseheight-0.1f) + ((float)fluidRandomizer.Next(1,9) / 10f);
// m_log.Info((baseheight - 0.1f) + ((float)fluidRandomizer.Next(1, 9) / 10f));
}
lock (OdeLock)
{
if (WaterGeom != IntPtr.Zero)
{
d.SpaceRemove(space, WaterGeom);
}
IntPtr HeightmapData = d.GeomHeightfieldDataCreate();
d.GeomHeightfieldDataBuildSingle(HeightmapData, _watermap, 0, heightmapWidth, heightmapHeight,
(int)heightmapWidthSamples, (int)heightmapHeightSamples, scale,
offset, thickness, wrap);
d.GeomHeightfieldDataSetBounds(HeightmapData, m_regionWidth, m_regionHeight);
WaterGeom = d.CreateHeightfield(space, HeightmapData, 1);
if (WaterGeom != IntPtr.Zero)
{
d.GeomSetCategoryBits(WaterGeom, (int)(CollisionCategories.Water));
d.GeomSetCollideBits(WaterGeom, (int)(CollisionCategories.Space));
}
geom_name_map[WaterGeom] = "Water";
d.Matrix3 R = new d.Matrix3();
Quaternion q1 = Quaternion.CreateFromAxisAngle(new Vector3(1, 0, 0), 1.5707f);
Quaternion q2 = Quaternion.CreateFromAxisAngle(new Vector3(0, 1, 0), 1.5707f);
//Axiom.Math.Quaternion q3 = Axiom.Math.Quaternion.FromAngleAxis(3.14f, new Axiom.Math.Vector3(0, 0, 1));
q1 = q1 * q2;
//q1 = q1 * q3;
Vector3 v3;
float angle;
q1.GetAxisAngle(out v3, out angle);
d.RFromAxisAndAngle(out R, v3.X, v3.Y, v3.Z, angle);
d.GeomSetRotation(WaterGeom, ref R);
d.GeomSetPosition(WaterGeom, 128, 128, 0);
}
}
*/
public override void Dispose()
{
_worldInitialized = false;
m_rayCastManager.Dispose();
m_rayCastManager = null;
lock (OdeLock)
{
lock (_prims)
{
foreach (OdePrim prm in _prims)
{
RemovePrim(prm);
}
}
//foreach (OdeCharacter act in _characters)
//{
//RemoveAvatar(act);
//}
d.WorldDestroy(world);
//d.CloseODE();
}
}
public override void Dispose()
{
lock(SimulationLock)
lock(OdeLock)
{
if(world == IntPtr.Zero)
return;
_worldInitialized = false;
d.AllocateODEDataForThread(~0U);
if (m_rayCastManager != null)
{
m_rayCastManager.Dispose();
m_rayCastManager = null;
}
lock (_prims)
{
foreach (OdePrim prm in _prims)
{
RemovePrim(prm);
}
}
//foreach (OdeCharacter act in _characters)
//{
//RemoveAvatar(act);
//}
IntPtr GroundGeom = IntPtr.Zero;
if (RegionTerrain.TryGetValue(m_worldOffset, out GroundGeom))
{
RegionTerrain.Remove(m_worldOffset);
if (GroundGeom != IntPtr.Zero)
{
if (TerrainHeightFieldHeights.ContainsKey(GroundGeom))
TerrainHeightFieldHeights.Remove(GroundGeom);
d.GeomDestroy(GroundGeom);
}
}
try
{
d.WorldDestroy(world);
world = IntPtr.Zero;
}
catch (AccessViolationException e)
{
m_log.ErrorFormat("[ODE SCENE]: exception {0}", e.Message);
}
}
}
