public void EditorCreatePreview()
{
if (DataName == "")
{
MTLog.LogError("data should have a name");
return;
}
try
{
Transform[] lodParent = new Transform[LOD.Length];
for (int i = 0; i < LOD.Length; ++i)
{
GameObject lodGo = new GameObject("lod" + i);
lodGo.transform.parent = transform;
lodParent[i] = lodGo.transform;
}
MTQuadTreeHeader header = MTFileUtils.LoadQuadTreeHeader(DataName);
foreach (var m in header.Meshes.Values)
{
Mesh[] lods = new Mesh[LOD.Length];
MTFileUtils.LoadMesh(lods, DataName, m.MeshID);
for (int i = 0; i < LOD.Length; ++i)
{
MeshFilter meshF;
MeshRenderer meshR;
GameObject meshGo = new GameObject("meshObj");
meshGo.transform.parent = lodParent[i];
meshF = meshGo.AddComponent <MeshFilter>();
meshR = meshGo.AddComponent <MeshRenderer>();
meshR.materials = header.RuntimeMats;
meshF.sharedMesh = lods[i];
}
}
}
catch
{
MTLog.LogError("failed to load datas");
}
}
private void Awake()
{
if (DataName == "")
{
return;
}
try
{
mHeader = MTFileUtils.LoadQuadTreeHeader(DataName);
mRoot = new MTQuadTreeNode(mHeader.QuadTreeDepth, mHeader.BoundMin, mHeader.BoundMax);
foreach (var mh in mHeader.Meshes.Values)
{
mRoot.AddMesh(mh);
}
int gridMax = 1 << mHeader.QuadTreeDepth;
mVisiblePatches = new MTArray <uint>(gridMax * gridMax);
if (lodPolicy.Length < mHeader.LOD)
{
float[] policy = new float[mHeader.LOD];
for (int i = 0; i < lodPolicy.Length; ++i)
{
policy[i] = lodPolicy[i];
}
lodPolicy = policy;
}
lodPolicy[0] = Mathf.Clamp(lodPolicy[0], 0.5f * mRoot.Bound.size.x / gridMax, lodPolicy[0]);
lodPolicy[lodPolicy.Length - 1] = float.MaxValue;
}
catch
{
mHeader = null;
mRoot = null;
MTLog.LogError("MTLoader load quadtree header failed");
}
mCamera = GetComponent <Camera>();
}
//
private void OnGUI()
{
Terrain curentTarget = EditorGUILayout.ObjectField("Convert Target", terrainTarget, typeof(Terrain), true) as Terrain;
if (curentTarget != terrainTarget)
{
ClearAll();
terrainTarget = curentTarget;
}
int curSliceCount = Mathf.FloorToInt(Mathf.Pow(2, QuadTreeDepth));
int sliceCount = EditorGUILayout.IntField("Slice Count(NxN)", curSliceCount);
if (sliceCount != curSliceCount)
{
curSliceCount = Mathf.NextPowerOfTwo(sliceCount);
QuadTreeDepth = Mathf.FloorToInt(Mathf.Log(curSliceCount, 2));
}
int lodCount = EditorGUILayout.IntField("LOD Count", LODSettings.Length);
if (lodCount != LODSettings.Length)
{
MTLODSetting[] old = LODSettings;
LODSettings = new MTLODSetting[lodCount];
for (int i = 0; i < Mathf.Min(lodCount, old.Length); ++i)
{
LODSettings[i] = old[i];
}
for (int i = Mathf.Min(lodCount, old.Length); i < Mathf.Max(lodCount, old.Length); ++i)
{
LODSettings[i] = new MTLODSetting();
}
}
if (LODSettings.Length > 0)
{
for (int i = 0; i < LODSettings.Length; ++i)
{
LODSettings[i].OnGUIDraw(i);
}
}
BakeMaterial = EditorGUILayout.ToggleLeft("Bake Material", BakeMaterial);
if (BakeMaterial)
{
BakeTexRes = EditorGUILayout.IntField("Bake Texture Resolution", BakeTexRes);
BakeTexRes = Mathf.Min(2048, Mathf.NextPowerOfTwo(BakeTexRes));
}
if (GUILayout.Button("Generate"))
{
if (LODSettings == null || LODSettings.Length == 0)
{
MTLog.LogError("no lod setting");
return;
}
if (terrainTarget == null)
{
MTLog.LogError("no target terrain");
return;
}
string[] lodFolder = new string[LODSettings.Length];
for (int i = 0; i < LODSettings.Length; ++i)
{
string guid = AssetDatabase.CreateFolder("Assets", string.Format("{0}_LOD{1}", terrainTarget.name, i));
lodFolder[i] = AssetDatabase.GUIDToAssetPath(guid);
}
int gridMax = 1 << QuadTreeDepth;
dataCreateJob = new CreateDataJob(terrainTarget.terrainData.bounds, gridMax, gridMax, LODSettings);
for (int i = 0; i < int.MaxValue; ++i)
{
dataCreateJob.Update();
EditorUtility.DisplayProgressBar("creating data", "scaning volumn", dataCreateJob.progress);
if (dataCreateJob.IsDone)
{
break;
}
}
dataCreateJob.EndProcess();
tessellationJob = new TessellationJob(dataCreateJob.LODs);
for (int i = 0; i < int.MaxValue; ++i)
{
tessellationJob.Update();
EditorUtility.DisplayProgressBar("creating data", "tessellation", tessellationJob.progress);
if (tessellationJob.IsDone)
{
break;
}
}
for (int i = 0; i < tessellationJob.mesh.Length; ++i)
{
EditorUtility.DisplayProgressBar("saving data", "processing", (float)i / tessellationJob.mesh.Length);
MTMeshData data = tessellationJob.mesh[i];
for (int lod = 0; lod < data.lods.Length; ++lod)
{
SaveMesh(lodFolder[lod], data.meshId, data.lods[lod], sliceCount);
if (!BakeMaterial)
{
MTMatUtils.SaveMaterials(lodFolder[lod], terrainTarget.name, terrainTarget);
}
}
}
if (BakeMaterial)
{
string guid = AssetDatabase.CreateFolder("Assets", string.Format("{0}_BakedMats", terrainTarget.name));
AssetDatabase.Refresh();
RunBakeMaterial(AssetDatabase.GUIDToAssetPath(guid), terrainTarget, BakeTexRes);
}
EditorUtility.ClearProgressBar();
AssetDatabase.Refresh();
}
}
private void EditorGrabDetails(string folderName, Terrain terrainTarget, int layer)
{
if (terrainTarget == null)
{
MTLog.LogError("no active terrain");
return;
}
TerrainData data = terrainTarget.terrainData;
int detailLayerCnt = data.detailPrototypes.Length;
int dataLen = data.detailResolution * data.detailResolution;
string[] savedAssets = new string[detailLayerCnt];
Bounds bound = data.bounds;
float pixelSize = bound.size.x / data.detailResolution;
for (int i = 0; i < detailLayerCnt; ++i)
{
MemoryStream ms = new MemoryStream();
int totalCnt = 0;
MTFileUtils.WriteInt(ms, totalCnt);
DetailPrototype proto = data.detailPrototypes[i];
//prototype info
//raw data
int[,] dlayer = data.GetDetailLayer(0, 0, data.detailResolution, data.detailResolution, i);
for (int u = 0; u < data.detailResolution; ++u)
{
for (int v = 0; v < data.detailResolution; ++v)
{
ushort pixelDen = (ushort)dlayer[v, u];
//gen data inside
if (pixelDen <= 0)
{
continue;
}
//data count
long countOffset = ms.Position;
MTFileUtils.WriteUShort(ms, pixelDen);
int subGridSize = Mathf.CeilToInt(Mathf.Sqrt(pixelDen));
float start_x = bound.min.x + u * pixelSize;
float start_z = bound.min.z + v * pixelSize;
ushort spawnedCount = SpawnOnePixel(proto, layer, start_x, start_z, pixelSize, subGridSize, pixelDen, bound.max.y, ms);
if (countOffset != pixelDen)
{
long posCache = ms.Position;
ms.Position = countOffset;
MTFileUtils.WriteUShort(ms, spawnedCount);
ms.Position = posCache;
}
totalCnt += spawnedCount;
EditorUtility.DisplayProgressBar("bake details", "processing", (float)(u * data.detailResolution + v) / (data.detailResolution * data.detailResolution));
}
}
ms.Position = 0;
MTFileUtils.WriteInt(ms, totalCnt);
savedAssets[i] = ExportDensity2Bytes(folderName, i, ms);
ms.Close();
}
EditorUtility.ClearProgressBar();
AssetDatabase.Refresh();
//add componet and parameter
GameObject prefabObj = new GameObject("detail_layers");
prefabObj.transform.position = terrainTarget.transform.position;
MTDetailBatchRenderer dr = prefabObj.AddComponent <MTDetailBatchRenderer>();
dr.layers = new MTDetailBatchRenderer.ProtoLayerInfo[detailLayerCnt];
for (int i = 0; i < detailLayerCnt; ++i)
{
DetailPrototype proto = data.detailPrototypes[i];
if (savedAssets[i] == null || proto.prototype == null)
{
continue;
}
MeshFilter mf = proto.prototype.GetComponent <MeshFilter>();
if (mf == null)
{
continue;
}
MeshRenderer mr = proto.prototype.GetComponent <MeshRenderer>();
if (mr == null)
{
continue;
}
TextAsset asset = AssetDatabase.LoadAssetAtPath <TextAsset>(savedAssets[i]);
dr.layers[i] = new MTDetailBatchRenderer.ProtoLayerInfo();
dr.layers[i].detailData = asset;
dr.layers[i].mesh = mf.sharedMesh;
dr.layers[i].mat = mr.sharedMaterial;
}
dr.bnds = bound;
//dr.detailShader = AssetDatabase.LoadAssetAtPath<ComputeShader>("Assets/MightyTerrainMesh/Shaders/TerrainDetailMask");
dr.detailDistance = Terrain.activeTerrain.detailObjectDistance;
dr.detailDensity = Terrain.activeTerrain.detailObjectDensity;
dr.detailResolution = data.detailResolution;
dr.detailResolutionPerPatch = data.detailResolutionPerPatch;
string prefabPath = Path.Combine(folderName, "detail_layers.prefab");
PrefabUtility.SaveAsPrefabAsset(prefabObj, prefabPath);
DestroyImmediate(prefabObj);
AssetDatabase.Refresh();
}