static public void InitLuminance(TileManager tileManager)
{
for (int x = 0; x < tileManager.sizeX; x++)
{
for (int z = 0; z < tileManager.sizeZ; z++)
{
for (int y = tileManager.sizeY - 1; y >= 0; y--)
{
TilePosition pos = new TilePosition(x, y, z);
tileManager.SetTileAmbientLuminance(pos, Tile.MAX_LUMINANCE);
if (tileManager.GetTileCastShadow(pos))
break;
}
}
}
for (int x = 0; x < tileManager.sizeX; x++)
{
for (int z = 0; z < tileManager.sizeZ; z++)
{
for (int y = tileManager.sizeY - 1; y >= 0; y--)
{
TilePosition pos = new TilePosition(x, y, z);
if (tileManager.GetTileAmbientLuminance(pos) == 0)
break;
if (x > 0 && tileManager.GetTileAmbientLuminance(pos + new TilePosition(-1, 0, 0)) == 0 ||
x < tileManager.sizeX - 1 && tileManager.GetTileAmbientLuminance(pos + new TilePosition(1, 0, 0)) == 0 ||
z > 0 && tileManager.GetTileAmbientLuminance(pos + new TilePosition(0, 0, -1)) == 0 ||
z < tileManager.sizeZ - 1 && tileManager.GetTileAmbientLuminance(pos + new TilePosition(0, 0, 1)) == 0)
{
pendingUpdateLights.Add(PositionToInt(x, y, z));
}
}
}
}
UpdateLuminanceLightVector(tileManager);
}
static public void UpdateLuminanceDark(TileManager tileManager, TilePosition from)
{
if (tileManager.GetTileAmbientLuminance(from) == 0)
return;
updatedTiles.Clear();
pendingUpdateLights.Add(PositionToInt(from.x, from.y, from.z));
for (int y = from.y - 1; y >= 0; y--)
{
pendingUpdateLights.Add(PositionToInt(from.x, y, from.z));
if (tileManager.GetTileCastShadow(new TilePosition(from.x, y, from.z)) == true)
break;
}
while(pendingUpdateLights.Count > 0)
{
while(pendingUpdateLights.Count > 0)
{
long pos = pendingUpdateLights[pendingUpdateLights.Count - 1];
pendingUpdateLights.RemoveAt(pendingUpdateLights.Count - 1);
TilePosition tilePos = IntToPosition(pos);
Tile tile = tileManager.GetTile(tilePos);
if ((tilePos.x == from.x && tilePos.z == from.z) || (tile.AmbientLuminance != 0 && tile.AmbientLuminance != Tile.MAX_LUMINANCE))
{
byte oldLuminance = tile.AmbientLuminance;
tileManager.SetTileAmbientLuminance(tilePos, 0);
updatedTiles.Add(pos);
for (int i = 0; i < 6; i++)
{
switch(i)
{
case 0:
tilePos.x -= 1;
break;
case 1:
tilePos.x += 2;
break;
case 2:
tilePos.x -= 1;
tilePos.y -= 1;
break;
case 3:
tilePos.y += 2;
break;
case 4:
tilePos.y -= 1;
tilePos.z -= 1;
break;
case 5:
tilePos.z += 2;
break;
}
long nearPos = PositionToInt(tilePos.x, tilePos.y, tilePos.z);
if (tileManager.IsValidTile(tilePos) &&
updatedTiles.Contains(nearPos) == false)
{
int nearLuminance = tileManager.GetTileAmbientLuminance(tilePos);
if (nearLuminance <= oldLuminance && nearLuminance != Tile.MAX_LUMINANCE)
nextPendingUpdateLights.Add(nearPos);
else if (lightsToRecalculate.Contains(nearPos) == false)
lightsToRecalculate.Add(nearPos);
}
}
}
}
List<long> old = pendingUpdateLights;
pendingUpdateLights = nextPendingUpdateLights;
nextPendingUpdateLights = old;
}
pendingUpdateLights.AddRange(lightsToRecalculate);
lightsToRecalculate.Clear();
UpdateLuminanceLightVector(tileManager);
}
static private void UpdateLuminanceLightVector(TileManager tileManager)
{
while(pendingUpdateLights.Count > 0)
{
while(pendingUpdateLights.Count > 0)
{
long pos = pendingUpdateLights[pendingUpdateLights.Count - 1];
pendingUpdateLights.RemoveAt(pendingUpdateLights.Count - 1);
TilePosition tilePos = IntToPosition(pos);
Tile tile = tileManager.GetTile(tilePos);
if (tile.CastShadow == false)
{
byte luminance = tile.AmbientLuminance;
if (luminance > 0)
{
for (int i = 0; i < 6; i++)
{
switch (i)
{
case 0:
tilePos.x -= 1;
luminance--;
break;
case 1:
tilePos.x += 2;
break;
case 2:
tilePos.x -= 1;
tilePos.z -= 1;
break;
case 3:
tilePos.z += 2;
break;
case 4:
luminance++;
tilePos.z -= 1;
tilePos.y -= 1;
break;
case 5:
tilePos.y += 2;
break;
}
if (tileManager.IsValidTile(tilePos))
{
if (tileManager.GetTileAmbientLuminance(tilePos) < luminance)
{
tileManager.SetTileAmbientLuminance(tilePos, luminance);
nextPendingUpdateLights.Add(PositionToInt(tilePos.x, tilePos.y, tilePos.z));
}
}
}
}
}
}
List<long> old = pendingUpdateLights;
pendingUpdateLights = nextPendingUpdateLights;
nextPendingUpdateLights = old;
}
}
