/// <summary>
/// Set the terrain for the physics scene.
/// </summary>
/// <param name="heightMap">The height values for the height map.
/// Should contain enough elements to fill the region size</param>
public override void SetTerrain(float[] heightMap)
{
OpenMetaverse.Quaternion hfOrienation;
if (m_terrainBuilt)
{
// Detach old terrain shape and remove it, so that
// only the new terrain will be attached to the terrain actor
RemoteMessenger.DetachShape(m_terrainID, m_terrainShapeID);
RemoteMessenger.RemoveShape(m_terrainShapeID);
}
else
{
// Send a message that creates an actor for the height map
RemoteMessenger.CreateStaticActor(m_terrainID,
OpenMetaverse.Vector3.Zero,
OpenMetaverse.Quaternion.Identity, false);
}
// Create the shape for the height map
hfOrienation = OpenMetaverse.Quaternion.CreateFromEulers(
(float)Math.PI / 2.0f, (float)Math.PI / 2.0f, 0.0f);
RemoteMessenger.AddHeightField(m_terrainShapeID,
(uint)m_regionExtents.X, (uint)m_regionExtents.Y, 1.0f, 1.0f,
heightMap);
// Attach the height map shape to the actor
RemoteMessenger.AttachShape(m_terrainID, m_terrainShapeID,
RemoteConfiguration.DefaultDensity,
RemoteConfiguration.DefaultFriction,
RemoteConfiguration.DefaultFriction,
RemoteConfiguration.DefaultRestitution, hfOrienation,
OpenMetaverse.Vector3.Zero);
// Indicate that the terrain has been built in the remote
// physics engine
m_terrainBuilt = true;
}
/// <summary>
/// Cleans up resources used by this scene.
/// </summary>
public override void Dispose()
{
// Indicate that the scene is no longer initialized, so that no
// simulation happens while disposing is occurring
m_initialized = false;
// Check to see if a terrain has been set for this scene in the
// remote physics engine
if (m_terrainBuilt)
{
// Detach the old terrain shape and remove it, so that
// only the new terrain will be attached to the terrain actor
RemoteMessenger.DetachShape(m_terrainID, m_terrainShapeID);
RemoteMessenger.RemoveShape(m_terrainShapeID);
}
// Log out of the remote physics engine
RemoteMessenger.Logoff(RemoteConfiguration.SimulationID);
// Clean up the remote messenger
m_remoteMessenger.Dispose();
m_remotePacketManager.Dispose();
}
/// <summary>
/// Removes the terrain height map from the physics scene.
/// </summary>
public override void DeleteTerrain()
{
// Remove the actor and the shape from the remote physics engine
RemoteMessenger.RemoveActor(m_terrainID);
RemoteMessenger.RemoveShape(m_terrainShapeID);
}