private static bool CompareLightsInLayer(int layerIndex1, int layerIndex2, SortingLayer[] sortingLayers, ILight2DCullResult lightCullResult)
{
var layerId1 = sortingLayers[layerIndex1].id;
var layerId2 = sortingLayers[layerIndex2].id;
foreach (var light in lightCullResult.visibleLights)
{
if (light.IsLitLayer(layerId1) != light.IsLitLayer(layerId2))
{
return(false);
}
}
return(true);
}
private static int FindUpperBoundInBatch(int startLayerIndex, SortingLayer[] sortingLayers, ILight2DCullResult lightCullResult)
{
// start checking at the next layer
for (var i = startLayerIndex + 1; i < sortingLayers.Length; i++)
{
if (!CompareLightsInLayer(startLayerIndex, i, sortingLayers, lightCullResult))
{
return(i - 1);
}
}
return(sortingLayers.Length - 1);
}
private static bool CanBatchLightsInLayer(int layerIndex1, int layerIndex2, SortingLayer[] sortingLayers, ILight2DCullResult lightCullResult)
{
var layerId1 = sortingLayers[layerIndex1].id;
var layerId2 = sortingLayers[layerIndex2].id;
foreach (var light in lightCullResult.visibleLights)
{
// If the lit layers are different, or if they are lit but this is a shadow casting light then don't batch.
if ((light.IsLitLayer(layerId1) != light.IsLitLayer(layerId2)) || (light.IsLitLayer(layerId1) && light.shadowsEnabled))
{
return(false);
}
}
return(true);
}
