private static bool BuildThreadPrefix(HeightmapBuilder __instance)
{
ZLog.Log("Builder started");
while (!__instance.m_stop)
{
if (!BetterContinents.ConfigExperimentalParallelChunksBuild.Value)
{
__instance.m_lock.WaitOne();
bool flag = __instance.m_toBuild.Count > 0;
__instance.m_lock.ReleaseMutex();
if (flag)
{
__instance.m_lock.WaitOne();
HeightmapBuilder.HMBuildData hmbuildData = __instance.m_toBuild[0];
__instance.m_lock.ReleaseMutex();
var st = new Stopwatch();
st.Start();
__instance.Build(hmbuildData);
buildTimes.Add(st.ElapsedMilliseconds);
if (buildTimes.Count > 100)
{
buildTimes.RemoveAt(0);
}
BetterContinents.Log($"Average chunk build time with vanilla {buildTimes.Average()} ms");
__instance.m_lock.WaitOne();
__instance.m_toBuild.Remove(hmbuildData);
__instance.m_ready.Add(hmbuildData);
while (__instance.m_ready.Count > 16)
{
__instance.m_ready.RemoveAt(0);
}
__instance.m_lock.ReleaseMutex();
}
Thread.Sleep(10);
}
else
{
__instance.m_lock.WaitOne();
var buildTasks = __instance.m_toBuild
.Select(b => new
{
task = Task.Run(() => BuildFn(__instance, b)),
buildData = b
})
.ToList(); // Important to use ToList for force immediate enumeration inside the lock!
__instance.m_toBuild.Clear();
__instance.m_lock.ReleaseMutex();
if (buildTasks.Any())
{
var st = new Stopwatch();
st.Start();
Task.WaitAll(buildTasks.Select(bt => bt.task).ToArray());
buildTimes.Add(st.ElapsedMilliseconds / (float)buildTasks.Count);
if (buildTimes.Count > 100)
{
buildTimes.RemoveAt(0);
}
BetterContinents.Log($"Average chunk build time with MT {buildTimes.Average()} ms");
__instance.m_lock.WaitOne();
foreach (var bt in buildTasks)
{
__instance.m_ready.Add(bt.buildData);
}
while (__instance.m_ready.Count > 16)
{
__instance.m_ready.RemoveAt(0);
}
__instance.m_lock.ReleaseMutex();
}
}
Thread.Sleep(10);
}
return(false);
}
public static void BeginTerrainChanges()
{
// Stop and reset the heightmap generator first
HeightmapBuilder.instance.Dispose();
var _ = new HeightmapBuilder();
}
