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); });
}
}
}
}
public override void OnInspectorGUI()
{
var source = (TerrainCombinerSource)target;
var terrain = source.GetComponent <Terrain>();
source.GroundLevelFraction = EditorGUILayout.FloatField("HeightDataGround", source.GroundLevelFraction);
if (GUILayout.Button("Calculate ground level"))
{
source.GroundLevelFraction = FindGroundLevel(terrain.terrainData);
EditorUtility.SetDirty(source);
EditorUtility.SetDirty(source.gameObject);
}
source.alphaMaterial = (TerrainLayer)EditorGUILayout.ObjectField("AlphaMaterial", source.alphaMaterial, typeof(TerrainLayer), false);
if (GUILayout.Button("Add alpha to terrain"))
{
TCMaterialHelper.AddTerrainLayer(terrain.terrainData, source.alphaMaterial);
EditorUtility.SetDirty(terrain.terrainData);
EditorUtility.SetDirty(source);
EditorUtility.SetDirty(source.gameObject);
}
source.CacheDirty = true;
}
public static void UpdateCombinerCache(TerrainCombiner combiner)
{
TerrainData terrainData = combiner.GetComponent <Terrain>().terrainData;
// Update target materials from sources
List <TerrainLayer> targetMatList = new List <TerrainLayer>();
for (int i = 0; i < combiner.Instances.Length; i++)
{
TerrainCombinerInstance sourceData = combiner.Instances[i];
if (sourceData.source == null)
{
continue;
}
Terrain sourceTerrain = sourceData.source.GetComponent <Terrain>();
foreach (var terrainLayer in sourceTerrain.terrainData.terrainLayers)
{
if (terrainLayer.diffuseTexture == null)
{
continue;
}
// If splay use alpha material it should not be added to target
if (sourceData.source.alphaMaterial != null && terrainLayer == sourceData.source.alphaMaterial)
{
continue;
}
int index = TCMaterialHelper.GetLayerIndex(targetMatList.ToArray(), terrainLayer);
if (index == -1)
{
targetMatList.Add(terrainLayer);
}
}
}
terrainData.terrainLayers = targetMatList.ToArray();
// TODO: release ??
combiner.MaterialCache.RenderTextures.Clear();
int size = terrainData.alphamapResolution;
int targetLayerCount = terrainData.alphamapLayers;
for (int i = 0; i < targetLayerCount; i++)
{
RenderTexture renderTexture = TCGraphicsHelper.CreateRenderTarget(size);
combiner.MaterialCache.RenderTextures.Add(renderTexture);
}
combiner.MaterialCache.Texture = TCGraphicsHelper.CreateTexture(size);
combiner.MaterialCache.ResultData = new float[size, size, terrainData.alphamapLayers];
}
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;
}
}
