protected abstract void OnGetCameraTransform(out Vec3 position, out Vec3 forward, out Vec3 up,
ref Degree cameraFov);
protected override void OnGetCameraTransform(out Vec3 position, out Vec3 forward, out Vec3 up, ref Degree cameraFov)
{
//To use data about orientation the camera if the cut scene is switched on
if (IsCutSceneEnabled())
{
if (CutSceneManager.Instance.GetCamera(out position, out forward, out up, out cameraFov))
{
return;
}
}
Vec3 offset;
{
Quat rot = new Angles(0, 0, MathFunctions.RadToDeg(cameraDirection.Horizontal)).ToQuat();
rot *= new Angles(0, MathFunctions.RadToDeg(cameraDirection.Vertical), 0).ToQuat();
offset = rot * new Vec3(1, 0, 0);
offset *= cameraDistance;
}
Vec3 lookAt = new Vec3(cameraPosition.X, cameraPosition.Y, 0);
forward = -offset;
position = lookAt + offset;
up = new Vec3(0, 0, 1);
cameraFov = 80f;
}
protected override void OnRender()
{
base.OnRender();
//update camera orientation
{
Vec3 position, forward, up;
Degree cameraFov = (fov != 0) ? fov : Map.Instance.Fov;
if (!FreeCameraEnabled)
{
OnGetCameraTransform(out position, out forward, out up, ref cameraFov);
}
else
{
position = freeCameraPosition;
forward = freeCameraDirection.GetVector();
up = Vec3.ZAxis;
}
if (cameraFov == 0)
{
cameraFov = (fov != 0) ? fov : Map.Instance.Fov;
}
Camera camera = RendererWorld.Instance.DefaultCamera;
camera.NearClipDistance = Map.Instance.NearFarClipDistance.Minimum;
camera.FarClipDistance = Map.Instance.NearFarClipDistance.Maximum;
camera.FixedUp = up;
camera.Fov = cameraFov;
camera.Position = position;
camera.Direction = forward;
}
//update game specific options
{
//water reflection level
foreach (WaterPlane waterPlane in WaterPlane.Instances)
{
waterPlane.ReflectionLevel = GameEngineApp.WaterReflectionLevel;
}
//decorative objects
if (DecorativeObjectManager.Instance != null)
{
DecorativeObjectManager.Instance.Visible = GameEngineApp.ShowDecorativeObjects;
}
//HeightmapTerrain
//enable simple rendering for Low material scheme.
foreach (HeightmapTerrain terrain in HeightmapTerrain.Instances)
{
terrain.SimpleRendering = GameEngineApp.MaterialScheme == MaterialSchemes.Low;
}
}
//update sound listener
if (SoundWorld.Instance != null)
{
Vec3 position, velocity, forward, up;
OnGetSoundListenerTransform(out position, out velocity, out forward, out up);
SoundWorld.Instance.SetListener(position, velocity, forward, up);
}
}