private static void Update()
{
if (currentTask != null)
{
lock (_queueLock)
{
int count = 0;
int maxDuration = 200;
System.Diagnostics.Stopwatch stopwatch = System.Diagnostics.Stopwatch.StartNew();
while (TaskQueue.Count > 0 && (stopwatch.ElapsedMilliseconds < maxDuration))
{
TaskQueue.Dequeue()();
count++;
}
// int duration = (int)(stopwatch.ElapsedMilliseconds);
// Debug.Log("handled " + count + " tasks in " + duration);
if (TaskQueue.Count == 0)
{
currentTask = null;
}
}
}
else
{
// Should we start new th
if (pendingTasks.Count > 0)
{
currentTask = pendingTasks.Dequeue();
TerrainCombiner terrainCombiner = currentTask.terrainCombiner;
Debug.Log("TerrainCombiner starting update tasks");
// Cache updated instantly so we get data for all parts in one frame
UpdateCaches(terrainCombiner);
lock (_queueLock)
{
// Start combine
TaskQueue.Enqueue(delegate() { TCHeightmapHelper.StartCombine(terrainCombiner, terrainCombiner.groundLevelFraction); });
TaskQueue.Enqueue(delegate() { TCMaterialHelper.StartCombine(terrainCombiner); });
// Sample texture
TaskQueue.Enqueue(delegate() { TCHeightmapHelper.SampleTexture(currentTask.terrainCombiner, currentTask.heightmapResolution); });
for (int nLayer = 0; nLayer < currentTask.terrainData.alphamapLayers; nLayer++)
{
int i = nLayer;
TaskQueue.Enqueue(delegate() { TCMaterialHelper.SampleTexture(currentTask.terrainCombiner, i); });
}
// Apply data
TaskQueue.Enqueue(delegate() { TCHeightmapHelper.ApplyData(currentTask.terrainCombiner); });
TaskQueue.Enqueue(delegate() { TCMaterialHelper.ApplyData(currentTask.terrainCombiner); });
}
}
}
}
private static void UpdateCaches(TerrainCombiner terrainCombiner)
{
// Update source caches
for (int i = 0; i < terrainCombiner.Instances.Length; i++)
{
TerrainCombinerSource source = terrainCombiner.Instances[i].source;
if (source != null && source.CacheDirty)
{
TCHeightmapHelper.UpdateSourceCache(source);
TCMaterialHelper.UpdateSourceCache(source);
source.CacheDirty = false;
}
}
// Update target caches
if (terrainCombiner.CacheDirty)
{
TCHeightmapHelper.UpdateCombinerCache(terrainCombiner);
TCMaterialHelper.UpdateCombinerCache(terrainCombiner);
terrainCombiner.CacheDirty = false;
}
}