private static VertexColorInfo CalculateVertexLight(VoxelHandle Vox, VoxelVertex Vertex, ChunkManager chunks)
{
var neighborsEmpty = 0;
var neighborsChecked = 0;
var color = new VertexColorInfo();
color.DynamicColor = 0;
color.SunColor = 0;
foreach (var c in VoxelHelpers.EnumerateVertexNeighbors(Vox.Coordinate, Vertex))
{
var v = chunks.CreateVoxelHandle(c);
if (!v.IsValid)
{
continue;
}
color.SunColor += v.Sunlight ? 255 : 0;
if (!v.IsEmpty || !v.IsExplored)
{
if (v.Type.EmitsLight)
{
color.DynamicColor = 255;
}
neighborsEmpty += 1;
neighborsChecked += 1;
}
else
{
neighborsChecked += 1;
}
}
var boost = GetAmbienceBoost(Vertex);
var proportionHit = (float)neighborsEmpty / (float)neighborsChecked;
color.AmbientColor = (int)Math.Min((1.0f - proportionHit) * 255.0f, 255);
color.SunColor = (int)Math.Min((float)color.SunColor / (float)neighborsChecked + boost * 255.0f, 255);
return(color);
}