// ==========================================================================
/// <summary>
/// Update the camera. The coordinate system from the EntityCamera is LL's
/// (Z up). We have to convert the rotation and position to Ogre coords
/// (Y up).
/// </summary>
/// <param name="cam"></param>
// private bool haveAttachedCamera = false;
public void UpdateCamera(CameraControl cam)
{
/* Historical Note: This is part of code to attach the camera to the avatar. When this was written
* the avatar code was not in place so the actual scene node to attach the camera too is problematic.
* Fix this when there is an avatar.
if (!haveAttachedCamera && cam.AssociatedAgent != null && cam.AssociatedAgent.AssociatedAvatar != null) {
m_log.Log(LogLevel.DVIEWDETAIL, "OnAgentUpdate: Attaching camera with {0}", cam.AssociatedAgent.AssociatedAvatar.Name);
haveAttachedCamera = Ogr.AttachCamera(cam.AssociatedAgent.AssociatedAvatar.Name.Name, 1.0f, 0.0f, 1.0f, 0f, 0f, 0f, 1f);
}
*/
// OMV.Quaternion orient = new OMV.Quaternion(OMV.Vector3.UnitX, -Constants.PI / 2)
// * new OMV.Quaternion(OMV.Vector3.UnitZ, -Constants.PI / 2)
// * cam.Direction;
// we need to rotate the camera 90 to make it work out in Ogre. Not sure why.
// OMV.Quaternion orient = cam.Heading * OMV.Quaternion.CreateFromAxisAngle(OMV.Vector3.UnitZ, -Constants.PI / 2);
OMV.Quaternion orient = OMV.Quaternion.CreateFromAxisAngle(OMV.Vector3.UnitZ, -Constants.PI / 2) * cam.Heading;
// OMV.Quaternion orient = cam.Heading;
orient.Normalize();
m_lastCameraPosition = cam.GlobalPosition;
m_lastCameraOrientation = orient;
// note the conversion from LL coordinates (Z up) to Ogre coordinates (Y up)
OMV.Vector3d pos = cam.GlobalPosition * m_sceneMagnification;
Ogr.UpdateCameraBF(pos.X, pos.Z, -pos.Y,
orient.W, orient.X, orient.Z, -orient.Y,
1.0f, (float)cam.Far*m_sceneMagnification, 1.0f);
// m_log.Log(LogLevel.DRENDERDETAIL, "UpdateCamera: Camera to p={0}, r={1}", pos, orient);
return;
}
// called when the camera changes position or orientation
private void CameraControl_OnCameraUpdate(CameraControl cam)
{
// m_log.Log(LogLevel.DVIEWDETAIL, "OnCameraUpdate: ");
if (m_trackedAgent != null) {
// tell the agent the camera moved if it cares
// This is an outgoing message that tells the world where the camera is
// pointing so the server can do interest management
m_trackedAgent.UpdateCamera(cam.GlobalPosition, cam.Heading, cam.Far);
}
}
// tell the renderer about the camera position
public void UpdateCamera(CameraControl cam)
{
return;
}
public override bool AfterAllModulesLoaded()
{
m_log.Log(LogLevel.DINIT, "entered AfterAllModulesLoaded()");
Renderer = (IRenderProvider)ModuleManager.Instance.Module(ModuleParams.ParamString(m_moduleName + ".Renderer.Name"));
if (Renderer == null) {
m_log.Log(LogLevel.DBADERROR, "UNABLE TO FIND RENDERER!!!! ");
return false;
}
m_cameraSpeed = ModuleParams.ParamFloat(m_moduleName + ".Camera.Speed");
m_cameraRotationSpeed = ModuleParams.ParamFloat(m_moduleName + ".Camera.RotationSpeed");
m_agentCameraBehind = ModuleParams.ParamFloat(m_moduleName + ".Camera.BehindAgent");
m_agentCameraAbove = ModuleParams.ParamFloat(m_moduleName + ".Camera.AboveAgent");
m_mainCamera = new CameraControl();
m_mainCamera.GlobalPosition = new OMV.Vector3d(1000d, 1000d, 40d); // World coordinates (Z up)
// camera starts pointing down Y axis
m_mainCamera.Heading = new OMV.Quaternion(OMV.Vector3.UnitZ, Constants.PI/2);
m_mainCamera.Zoom = 1.0f;
m_mainCamera.Far = ModuleParams.ParamFloat(m_moduleName + ".Camera.ServerFar");
m_cameraMode = CameraMode.TrackingAgent;
m_cameraLookAt = new OMV.Vector3d(0d, 0d, 0d);
// connect me to the world so I can know when things change in the world
TheWorld.OnWorldRegionNew += new WorldRegionNewCallback(World_OnRegionNew);
TheWorld.OnWorldRegionUpdated += new WorldRegionUpdatedCallback(World_OnRegionUpdated);
TheWorld.OnWorldRegionRemoved += new WorldRegionRemovedCallback(World_OnRegionRemoved);
TheWorld.OnWorldEntityNew += new WorldEntityNewCallback(World_OnEntityNew);
TheWorld.OnWorldEntityUpdate += new WorldEntityUpdateCallback(World_OnEntityUpdate);
TheWorld.OnWorldEntityRemoved += new WorldEntityRemovedCallback(World_OnEntityRemoved);
TheWorld.OnAgentNew += new WorldAgentNewCallback(World_OnAgentNew);
TheWorld.OnAgentUpdate += new WorldAgentUpdateCallback(World_OnAgentUpdate);
TheWorld.OnAgentRemoved += new WorldAgentRemovedCallback(World_OnAgentRemoved);
m_log.Log(LogLevel.DINIT, "exiting AfterAllModulesLoaded()");
return true;
}
// tell the renderer about the camera position
public void UpdateCamera(CameraControl cam)
{
if (m_focusRegion != null) {
OMV.Vector3 newPos = new OMV.Vector3();
newPos.X = (float)(cam.GlobalPosition.X - m_focusRegion.GlobalPosition.X);
newPos.Y = (float)(cam.GlobalPosition.Y - m_focusRegion.GlobalPosition.Y);
// another kludge camera offset. Pairs with position kludge in Viewer.
newPos.Z = (float)(cam.GlobalPosition.Z - m_focusRegion.GlobalPosition.Z) + 10f;
m_log.Log(LogLevel.DRENDERDETAIL, "UpdateCamera: g={0}, f={1}, n={2}",
cam.GlobalPosition.ToString(), m_focusRegion.GlobalPosition.ToString(), newPos.ToString());
Camera.Position = newPos;
OMV.Vector3 dir = new OMV.Vector3(1f, 0f, 0f);
Camera.FocalPoint = (dir * cam.Heading) + Camera.Position;
}
return;
}
