private void CalculateSkyLight(Chunk chunk, int x, int y, int z)
{
byte self = chunk.GetSkyLight(x, y, z);
// We use sbytes here so we can use -1 as the light value of an ungenerated block
sbyte left = GetSkyLight(chunk, x - 1, y, z);
sbyte right = GetSkyLight(chunk, x + 1, y, z);
sbyte forwards = GetSkyLight(chunk, x, y, z + 1);
sbyte backwards = GetSkyLight(chunk, z, y, z - 1);
if (left > self)
{
self = (byte)(left - 1);
}
if (right > self)
{
self = (byte)(right - 1);
}
if (forwards > self)
{
self = (byte)(forwards - 1);
}
if (backwards > self)
{
self = (byte)(backwards - 1);
}
chunk.SetSkyLight(x, y, z, self);
}
private void CalculateSkyLight(Chunk chunk, int x, int y, int z)
{
byte self = chunk.GetSkyLight(x, y, z);
// We use sbytes here so we can use -1 as the light value of an ungenerated block
sbyte left = GetSkyLight(chunk, x - 1, y, z);
sbyte right = GetSkyLight(chunk, x + 1, y, z);
sbyte forwards = GetSkyLight(chunk, x, y, z + 1);
sbyte backwards = GetSkyLight(chunk, z, y, z - 1);
if (left > self)
self = (byte)(left - 1);
if (right > self)
self = (byte)(right - 1);
if (forwards > self)
self = (byte)(forwards - 1);
if (backwards > self)
self = (byte)(backwards - 1);
chunk.SetSkyLight(x, y, z, self);
}
private sbyte GetSkyLight(Chunk chunk, int x, int y, int z)
{
if (x < 0)
{
x = Chunk.Width + x;
chunk = GetChunkWithoutGeneration(chunk.AbsolutePosition + Vector3.Left);
if (chunk == null)
{
return(-1);
}
}
if (x >= Chunk.Width)
{
x -= Chunk.Width;
chunk = GetChunkWithoutGeneration(chunk.AbsolutePosition + Vector3.Right);
if (chunk == null)
{
return(-1);
}
}
if (z < 0)
{
z = Chunk.Depth + z;
chunk = GetChunkWithoutGeneration(chunk.AbsolutePosition + Vector3.Backwards);
if (chunk == null)
{
return(-1);
}
}
if (z >= Chunk.Depth)
{
z -= Chunk.Depth;
chunk = GetChunkWithoutGeneration(chunk.AbsolutePosition + Vector3.Forwards);
if (chunk == null)
{
return(-1);
}
}
return((sbyte)chunk.GetSkyLight(x, y, z));
}
private sbyte GetSkyLight(Chunk chunk, int x, int y, int z)
{
if (x < 0)
{
x = Chunk.Width + x;
chunk = GetChunkWithoutGeneration(chunk.AbsolutePosition + Vector3.Left);
if (chunk == null) return -1;
}
if (x >= Chunk.Width)
{
x -= Chunk.Width;
chunk = GetChunkWithoutGeneration(chunk.AbsolutePosition + Vector3.Right);
if (chunk == null) return -1;
}
if (z < 0)
{
z = Chunk.Depth + z;
chunk = GetChunkWithoutGeneration(chunk.AbsolutePosition + Vector3.Backwards);
if (chunk == null) return -1;
}
if (z >= Chunk.Depth)
{
z -= Chunk.Depth;
chunk = GetChunkWithoutGeneration(chunk.AbsolutePosition + Vector3.Forwards);
if (chunk == null) return -1;
}
return (sbyte)chunk.GetSkyLight(x, y, z);
}