/// <summary>
/// Select which lights can actually cast shadows
/// </summary>
private void SelectShadowCasters()
{
_lightShadowCasters.Clear();
for (int i = 0; i < _lightEntries.Count; i++)
{
LightEntry entry = _lightEntries[i];
if (_lightEntries[i].light.CastShadows)
{
//only spot and directional lights can cast shadows right now
if (entry.light.LightType == Light.Type.Spot)
{
entry.spotShadowMap = _shadowRenderer.GetFreeSpotShadowMap();
entry.castShadows = entry.spotShadowMap != null;
//if we dont have that many shadow maps, it cannot cast shadows
if (entry.castShadows)
{
_lightShadowCasters.Add(entry);
}
}
}
//assign it back, since it's a struct
_lightEntries[i] = entry;
}
}
