public IEnumerator CreateImpl()
{
try
{
using (m_queue = new JobQueue(8))
{
Stopwatch sw = new Stopwatch();
AssetDatabase.Refresh();
AssetDatabase.SaveAssets();
sw.Reset();
sw.Start();
EditorUtility.DisplayProgressBar("Bake HLOD", "Initialize Bake", 0.0f);
TerrainData data = m_hlod.TerrainData;
m_size = data.size;
m_heightmap = new Heightmap(data.heightmapResolution, data.heightmapResolution, data.size,
data.GetHeights(0, 0, data.heightmapResolution, data.heightmapResolution));
string materialPath = AssetDatabase.GUIDToAssetPath(m_hlod.MaterialGUID);
m_terrainMaterial = AssetDatabase.LoadAssetAtPath <Material>(materialPath);
if (m_terrainMaterial == null)
{
m_terrainMaterial = new Material(Shader.Find("Standard"));
}
m_terrainMaterialInstanceId = m_terrainMaterial.GetInstanceID();
m_terrainMaterialName = m_terrainMaterial.name;
using (m_alphamaps = new DisposableList <WorkingTexture>())
using (m_layers = new DisposableList <Layer>())
{
for (int i = 0; i < data.alphamapTextures.Length; ++i)
{
m_alphamaps.Add(new WorkingTexture(Allocator.Persistent, data.alphamapTextures[i]));
}
for (int i = 0; i < data.terrainLayers.Length; ++i)
{
m_layers.Add(new Layer(data.terrainLayers[i]));
}
QuadTreeSpaceSplitter splitter =
new QuadTreeSpaceSplitter(0.0f);
SpaceNode rootNode = splitter.CreateSpaceTree(m_hlod.GetBounds(), m_hlod.ChunkSize * 2.0f,
m_hlod.transform.position, null, progress => { });
EditorUtility.DisplayProgressBar("Bake HLOD", "Create mesh", 0.0f);
using (DisposableList <HLODBuildInfo> buildInfos = CreateBuildInfo(data, rootNode))
{
yield return(m_queue.WaitFinish());
//Write material & textures
for (int i = 0; i < buildInfos.Count; ++i)
{
int curIndex = i;
m_queue.EnqueueJob(() =>
{
ISimplifier simplifier = (ISimplifier)Activator.CreateInstance(m_hlod.SimplifierType,
new object[] { m_hlod.SimplifierOptions });
simplifier.SimplifyImmidiate(buildInfos[curIndex]);
});
}
EditorUtility.DisplayProgressBar("Bake HLOD", "Simplify meshes", 0.0f);
yield return(m_queue.WaitFinish());
Debug.Log("[TerrainHLOD] Simplify: " + sw.Elapsed.ToString("g"));
sw.Reset();
sw.Start();
EditorUtility.DisplayProgressBar("Bake HLOD", "Make border", 0.0f);
for (int i = 0; i < buildInfos.Count; ++i)
{
HLODBuildInfo info = buildInfos[i];
m_queue.EnqueueJob(() =>
{
for (int oi = 0; oi < info.WorkingObjects.Count; ++oi)
{
WorkingObject o = info.WorkingObjects[oi];
int borderVertexCount = m_hlod.BorderVertexCount * Mathf.RoundToInt(Mathf.Pow(2.0f, (float)info.Distances[oi]));
using (WorkingMesh m = MakeBorder(o.Mesh, info.Heightmap, borderVertexCount))
{
ReampUV(m, info.Heightmap);
o.SetMesh(MakeFillHoleMesh(m));
}
}
});
}
yield return(m_queue.WaitFinish());
Debug.Log("[TerrainHLOD] Make Border: " + sw.Elapsed.ToString("g"));
sw.Reset();
sw.Start();
for (int i = 0; i < buildInfos.Count; ++i)
{
SpaceNode node = buildInfos[i].Target;
HLODBuildInfo info = buildInfos[i];
if (node.HasChild() == false)
{
SpaceNode parent = node.ParentNode;
node.ParentNode = null;
GameObject go = new GameObject(buildInfos[i].Name);
for (int wi = 0; wi < info.WorkingObjects.Count; ++wi)
{
WorkingObject wo = info.WorkingObjects[wi];
GameObject targetGO = null;
if (wi == 0)
{
targetGO = go;
}
else
{
targetGO = new GameObject(wi.ToString());
targetGO.transform.SetParent(go.transform, false);
}
List <Material> materials = new List <Material>();
for (int mi = 0; mi < wo.Materials.Count; ++mi)
{
WorkingMaterial wm = wo.Materials[mi];
if (wm.NeedWrite() == false)
{
materials.Add(wm.ToMaterial());
continue;
}
Material mat = new Material(wm.ToMaterial());
string[] textureNames = wm.GetTextureNames();
for (int ti = 0; ti < textureNames.Length; ++ti)
{
WorkingTexture wt = wm.GetTexture(textureNames[ti]);
Texture2D tex = wt.ToTexture();
tex.wrapMode = wt.WrapMode;
mat.name = targetGO.name + "_Mat";
mat.SetTexture(textureNames[ti], tex);
}
mat.EnableKeyword("_NORMALMAP");
materials.Add(mat);
}
targetGO.AddComponent <MeshFilter>().sharedMesh = wo.Mesh.ToMesh();
targetGO.AddComponent <MeshRenderer>().sharedMaterials = materials.ToArray();
}
go.transform.SetParent(m_hlod.transform, false);
m_hlod.AddGeneratedResource(go);
parent.Objects.Add(go);
buildInfos.RemoveAt(i);
i -= 1;
}
}
//controller
IStreamingBuilder builder =
(IStreamingBuilder)Activator.CreateInstance(m_hlod.StreamingType,
new object[] { m_hlod, m_hlod.StreamingOptions });
builder.Build(rootNode, buildInfos, m_hlod.gameObject, m_hlod.CullDistance, m_hlod.LODDistance, true, false,
progress =>
{
EditorUtility.DisplayProgressBar("Bake HLOD", "Storing results.",
0.75f + progress * 0.25f);
});
Debug.Log("[TerrainHLOD] Build: " + sw.Elapsed.ToString("g"));
}
}
EditorUtility.SetDirty(m_hlod.gameObject);
}
}
finally
{
EditorUtility.ClearProgressBar();
GC.Collect();
}
}
public override void OnInspectorGUI()
{
serializedObject.Update();
EditorGUI.BeginChangeCheck();
TerrainHLOD hlod = target as TerrainHLOD;
if (hlod == null)
{
EditorGUILayout.LabelField("TerrainHLOD is null.");
return;
}
isShowCommon = EditorGUILayout.BeginFoldoutHeaderGroup(isShowCommon, "Common");
if (isShowCommon == true)
{
EditorGUILayout.PropertyField(m_TerrainDataProperty, Styles.SourceText);
EditorGUILayout.PropertyField(m_DestoryTerrainProperty, Styles.DestoryTerrainText);
EditorGUILayout.PropertyField(m_ChunkSizeProperty);
m_ChunkSizeProperty.floatValue = HLODUtils.GetChunkSizePropertyValue(m_ChunkSizeProperty.floatValue);
var bounds = hlod.GetBounds();
int depth = m_splitter.CalculateTreeDepth(bounds, m_ChunkSizeProperty.floatValue);
EditorGUILayout.LabelField($"The HLOD tree will be created with {depth} levels.");
if (depth > 5)
{
EditorGUILayout.LabelField($"Node Level Count greater than 5 may cause a frozen Editor.", Styles.RedTextColor);
EditorGUILayout.LabelField($"Use a value less than 5.", Styles.RedTextColor);
}
EditorGUILayout.PropertyField(m_BorderVertexCountProperty);
m_LODSlider.Draw();
}
EditorGUILayout.EndFoldoutHeaderGroup();
isShowSimplifier = EditorGUILayout.BeginFoldoutHeaderGroup(isShowSimplifier, "Simplifier");
if (isShowSimplifier == true)
{
if (m_SimplifierTypes.Length > 0)
{
int simplifierIndex = Math.Max(Array.IndexOf(m_SimplifierTypes, hlod.SimplifierType), 0);
simplifierIndex = EditorGUILayout.Popup("Simplifier", simplifierIndex, m_SimplifierNames);
hlod.SimplifierType = m_SimplifierTypes[simplifierIndex];
var info = m_SimplifierTypes[simplifierIndex].GetMethod("OnGUI");
if (info != null)
{
if (info.IsStatic == true)
{
info.Invoke(null, new object[] { hlod.SimplifierOptions });
}
}
}
else
{
EditorGUILayout.LabelField("Can not find Simplifiers.");
}
}
EditorGUILayout.EndFoldoutHeaderGroup();
isShowMaterial = EditorGUILayout.BeginFoldoutHeaderGroup(isShowMaterial, "Material");
if (isShowMaterial == true)
{
Material mat = null;
string matGUID = hlod.MaterialGUID;
if (string.IsNullOrEmpty(matGUID) == false)
{
string path = AssetDatabase.GUIDToAssetPath(matGUID);
mat = AssetDatabase.LoadAssetAtPath <Material>(path);
}
mat = EditorGUILayout.ObjectField("Material", mat, typeof(Material), false) as Material;
if (mat != null)
{
string path = AssetDatabase.GetAssetPath(mat);
hlod.MaterialGUID = AssetDatabase.AssetPathToGUID(path);
}
matGUID = hlod.MaterialLowGUID;
if (string.IsNullOrEmpty(matGUID) == false)
{
string path = AssetDatabase.GUIDToAssetPath(matGUID);
mat = AssetDatabase.LoadAssetAtPath <Material>(path);
}
mat = EditorGUILayout.ObjectField("MaterialLow", mat, typeof(Material), false) as Material;
if (mat != null)
{
string path = AssetDatabase.GetAssetPath(mat);
hlod.MaterialLowGUID = AssetDatabase.AssetPathToGUID(path);
}
hlod.TextureSize = EditorGUILayout.IntPopup("Size", hlod.TextureSize, Styles.TextureSizeStrings,
Styles.TextureSizes);
//Output Property name
//EditorGUILayout.
if (mat == null)
{
mat = new Material(Shader.Find("Standard"));
}
string[] outputTexturePropertyNames = mat.GetTexturePropertyNames();
int index = 0;
isShowTexturePropertices = EditorGUILayout.Foldout(isShowTexturePropertices, "Texture propertices");
if (isShowTexturePropertices == true)
{
EditorGUILayout.BeginHorizontal();
EditorGUILayout.Toggle(true, GUILayout.Width(20));
index = Array.IndexOf(outputTexturePropertyNames, hlod.AlbedoPropertyName);
index = EditorGUILayout.Popup("Albedo", index, outputTexturePropertyNames);
index = (index < 0) ? 0 : index;
hlod.AlbedoPropertyName = outputTexturePropertyNames[index];
EditorGUILayout.EndHorizontal();
EditorGUILayout.BeginHorizontal();
hlod.UseNormal = EditorGUILayout.Toggle(hlod.UseNormal, GUILayout.Width(20));
index = Array.IndexOf(outputTexturePropertyNames, hlod.NormalPropertyName);
index = EditorGUILayout.Popup("Normal", index, outputTexturePropertyNames);
index = (index < 0) ? 0 : index;
hlod.NormalPropertyName = outputTexturePropertyNames[index];
EditorGUILayout.EndHorizontal();
EditorGUILayout.BeginHorizontal();
hlod.UseMask = EditorGUILayout.Toggle(hlod.UseMask, GUILayout.Width(20));
index = Array.IndexOf(outputTexturePropertyNames, hlod.MaskPropertyName);
index = EditorGUILayout.Popup("Mask", index, outputTexturePropertyNames);
index = (index < 0) ? 0 : index;
hlod.MaskPropertyName = outputTexturePropertyNames[index];
EditorGUILayout.EndHorizontal();
}
}
EditorGUILayout.EndFoldoutHeaderGroup();
isShowStreaming = EditorGUILayout.BeginFoldoutHeaderGroup(isShowStreaming, "Streaming");
if (isShowStreaming == true)
{
if (m_StreamingTypes.Length > 0)
{
int streamingIndex = Math.Max(Array.IndexOf(m_StreamingTypes, hlod.StreamingType), 0);
streamingIndex = EditorGUILayout.Popup("Streaming", streamingIndex, m_StreamingNames);
hlod.StreamingType = m_StreamingTypes[streamingIndex];
var info = m_StreamingTypes[streamingIndex].GetMethod("OnGUI");
if (info != null)
{
if (info.IsStatic == true)
{
info.Invoke(null, new object[] { hlod.StreamingOptions });
}
}
}
else
{
EditorGUILayout.LabelField("Can not find StreamingSetters.");
}
}
EditorGUILayout.EndFoldoutHeaderGroup();
GUIContent generateButton = Styles.GenerateButtonEnable;
GUIContent destroyButton = Styles.DestroyButtonNotExists;
if (hlod.GetComponent <HLODControllerBase>() != null)
{
generateButton = Styles.GenerateButtonExists;
destroyButton = Styles.DestroyButtonEnable;
}
EditorGUILayout.Space();
GUI.enabled = generateButton == Styles.GenerateButtonEnable;
if (GUILayout.Button(generateButton))
{
CoroutineRunner.RunCoroutine(TerrainHLODCreator.Create(hlod));
}
GUI.enabled = destroyButton == Styles.DestroyButtonEnable;
if (GUILayout.Button(destroyButton))
{
CoroutineRunner.RunCoroutine(TerrainHLODCreator.Destroy(hlod));
}
GUI.enabled = true;
serializedObject.ApplyModifiedProperties();
}
