// Updates the stability of a block and returns false if the block has just been destroyed
private bool UpdateStability(BuildingBlock block, bool propagate = true)
{
++currentStats.blocksUpdated;
if (block.isDestroyed)
{
#if DEBUG
Log("Skipped " + BuildingBlockHelpers.Name(block) + ": Already destroyed");
#endif
return(true);
}
// Log("Updating stability on " + block.Name());
// Exclude foundations from stability updates.
if (BuildingBlockHelpers.IsFoundation(block))
{
#if DEBUG
Log("Skipped " + BuildingBlockHelpers.Name(block) + ": Is foundation");
#endif
return(true);
}
List <BuildingBlock> supports;
List <BuildingBlock> supported;
BuildingBlockHelpers.GetAdjacentBlocks(block, out supports, out supported);
if (supports.Count > 0)
{
#if DEBUG
Log("Skipped " + BuildingBlockHelpers.Name(block) + ": Still has " + supports.Count + " supports");
#endif
return(true);
}
// If this block has no more supports, destroy it.
#if DEBUG
Log(BuildingBlockHelpers.Name(block) + " has no (more) supports, killing (supported " + supported.Count + ")" + (propagate ? " - propagating" : " - not propagating"));
#endif
DemolishBlock(block);
var deployables = BuildingBlockHelpers.GetOrphanedDeployables(block);
foreach (var deployable in deployables)
{
if (!deployable.isDestroyed)
{
DemolishDeployable(deployable);
}
}
if (propagate)
{
foreach (var supportedBlock in supported)
{
EnqueueUpdate(supportedBlock);
}
}
return(false);
}
// Updates supported blocks once a block has been demolished
private void OnDemolish(BuildingBlock block)
{
++currentStats.blocksDemolished;
List <BuildingBlock> supports;
List <BuildingBlock> supported;
BuildingBlockHelpers.GetAdjacentBlocks(block, out supports, out supported);
#if DEBUG
Log("OnDemolish called for " + BuildingBlockHelpers.Name(block) + " (support for " + supported.Count + " blocks)");
#endif
foreach (var supportedBlock in supported)
{
EnqueueUpdate(supportedBlock); // Must be queued as this block is still alive
}
var deployables = BuildingBlockHelpers.GetOrphanedDeployables(block);
foreach (var entity in deployables)
{
DemolishDeployable(entity);
}
}
