void StepSimulation()
{
simulationFrame++;
// TODO: find a way to retrieve all active viewports, not just the main one.
var mainViewport = GetViewport().GetViewportRid();
// disable main viewport
VisualServer.ViewportSetActive(mainViewport, false);
try
{
var loadedTilesList = LoadedTiles.ToList();
foreach (var tile in loadedTilesList)
{
tile.RunSimulationOnNextDraw(simulationFrame);
}
VisualServer.ForceDraw(false);
foreach (var tile in loadedTilesList)
{
if (!tile.SwapBuffer())
{
continue;
}
var neighbors = GetTilesRange(tile.TileX - 1, tile.TileX + 1, tile.TileY - 1, tile.TileY + 1).Where(n => n != tile);
foreach (var neighbor in neighbors)
{
neighbor.SetDataTexture(tile.TileX, tile.TileY, tile.DataTexture);
}
}
}
finally
{
// restore main viewport
VisualServer.ViewportSetActive(mainViewport, true);
}
}