/// <summary>
/// Method to set up the initial values of necessary variables.
/// <summary>
/// <param name="meshmerizer">Mesher used for creating meshes from
/// shape descriptions</param>
/// <param name="config">Configuration file that will load the initial
/// values set up inside of TBD</param>
/// <param name="regionExtent">The size of the region which will either
/// be the basic 256 by 256 or a value given by the scene class</param>
public override void Initialise(IMesher meshmerizer,
IConfigSource config, Vector3 regionExtent)
{
// Get the PhysX configuration section
IConfig physicsConfig = config.Configs["PhysX"];
// Create the configuration using the user given values inside
// of the PhysX.ini file located in the bin/config-include
UserConfig.Initialize(physicsConfig);
// Create the PhysX scene that will be used to represent the
// region; all physics objects will be depicted in this scene;
PhysX.CreateScene(UserConfig.GPUEnabled, UserConfig.CPUMaxThreads);
// Create the initial ground plane for the physics engine
PhysX.CreateGroundPlane(0.0f, 0.0f, -500.0f);
// The scene has now been initialized
m_isInitialized = true;
// Initialize the mesher
SceneMesher = meshmerizer;
// Store the size of the region for use with height field
// generation
m_regionExtents = regionExtent;
// New dictionary to keep track of physical objects
// added to the scene
m_physObjectsDict = new Dictionary <uint, PxPhysObject>();
// New dictionary to keep track of avatars that need to send a
// collision update for OpenSim to update animations
m_avatarsSet = new HashSet <PxPhysObject>();
// Allocate memory for returning of the updates from the
// physics engine and send data to the PhysX engine
m_updateArray = new EntityProperties[
UserConfig.MaxUpdatesPerFrame];
PhysX.InitEntityUpdate(ref m_updateArray,
UserConfig.MaxUpdatesPerFrame);
// Allocate memory for returning of the collisions
// from the physics engine and send data to the PhysX engine
m_collisionArray =
new CollisionProperties[UserConfig.MaxCollisionsPerFrame];
PhysX.InitCollisionUpdate(
ref m_collisionArray, UserConfig.MaxCollisionsPerFrame);
// Create the material library that will track various material
// archetypes
MaterialLibrary = new PxMaterialLibrary(UserConfig);
}
