//
protected virtual void OnEnable()
{
hb = target as HighlightingBase;
LoadPresets();
presetIndex = FindCurrentPreset();
}
//
protected virtual void OnRenderImage(RenderTexture src, RenderTexture dst)
{
bool oddEven = true;
for (int i = 0; i < renderers.Count; i++)
{
HighlightingBase renderer = renderers[i];
if (oddEven)
{
renderer.Blit(src, dst);
}
else
{
renderer.Blit(dst, src);
}
oddEven = !oddEven;
}
// Additional blit because final result should be in dst RenderTexture
if (oddEven)
{
Graphics.Blit(src, dst);
}
}
//
public virtual void Register(HighlightingBase renderer)
{
if (!renderers.Contains(renderer))
{
renderers.Add(renderer);
}
enabled = renderers.Count > 0;
}
//
public virtual void Unregister(HighlightingBase renderer)
{
int index = renderers.IndexOf(renderer);
if (index != -1)
{
renderers.RemoveAt(index);
}
enabled = renderers.Count > 0;
}
// Called once (before OnPreRender) for each camera if the object is visible
void OnWillRenderObject()
{
Camera cam = Camera.current;
// Another camera may intercept rendering and send it's own OnWillRenderObject events (i.e. water rendering),
// so we're caching currently rendering camera only if it has HighlighterBase component
if (HighlightingBase.IsHighlightingCamera(cam))
{
// VR Camera renders twice per frame (once for each eye), but OnWillRenderObject is called once so we have to cache reference to the camera
lastCamera = cam;
}
}