public static void ScatterNodes(Queue <Vector3i> nodes, bool generator)
{
while (nodes.Count > 0)
{
Vector3i pos = nodes.Dequeue();
Block block = Map.GetBlock(pos.x, pos.y, pos.z);
int light = MapLight.GetSunlight(pos.x, pos.y, pos.z) - block.GetLightStep();
if (light <= LightUtils.MinLight)
{
continue;
}
for (int i = 0; i < 6; i++)
{
Vector3i nextPos = pos + Vector3i.directions[i];
if (Map.InBounds(nextPos.x, nextPos.y, nextPos.z))
{
block = Map.GetBlock(nextPos.x, nextPos.y, nextPos.z);
if (block.IsTransparent() && SetMax((byte)light, nextPos.x, nextPos.y, nextPos.z))
{
nodes.Enqueue(nextPos);
if (!generator)
{
Map.FlagChunkForUpdate(nextPos.x, nextPos.y, nextPos.z);
}
}
}
}
}
}
private static void RemoveNodes(Queue <Vector3i> nodes)
{
Queue <Vector3i> newNodes = new Queue <Vector3i>();
while (nodes.Count > 0)
{
Vector3i pos = nodes.Dequeue();
if (pos.y < 0 || pos.y >= Map.Height)
{
continue;
}
if (pos.y >= MapLight.GetRay(pos.x, pos.z))
{
newNodes.Enqueue(pos);
continue;
}
byte light = (byte)(MapLight.GetSunlight(pos.x, pos.y, pos.z) - 1);
MapLight.SetSunlight(pos.x, pos.y, pos.z, LightUtils.MinLight);
if (light <= LightUtils.MinLight)
{
continue;
}
for (int i = 0; i < 6; i++)
{
Vector3i nextPos = pos + Vector3i.directions[i];
if (Map.InBounds(nextPos.x, nextPos.z))
{
Block block = Map.GetBlock(nextPos.x, nextPos.y, nextPos.z);
if (block.IsTransparent())
{
if (MapLight.GetSunlight(nextPos.x, nextPos.y, nextPos.z) <= light)
{
nodes.Enqueue(nextPos);
Map.FlagChunkForUpdate(nextPos.x, nextPos.y, nextPos.z);
}
else
{
newNodes.Enqueue(nextPos);
}
}
}
}
}
ScatterNodes(newNodes, false);
}
private static bool SetMax(byte light, int x, int y, int z)
{
if (y >= MapLight.GetRay(x, z))
{
return(false);
}
byte oldLight = MapLight.GetSunlight(x, y, z);
if (oldLight < light)
{
MapLight.SetSunlight(x, y, z, light);
return(true);
}
return(false);
}