public static void OnGUI()
{
TerrainToFileConfig config = TerrainToFileConfig.Instance;
config.Terrain = EditorGUILayout.ObjectField("Terrain", config.Terrain, typeof(GStylizedTerrain), true) as GStylizedTerrain;
int maxLod = 0;
if (config.Terrain != null && config.Terrain.TerrainData != null)
{
maxLod = config.Terrain.TerrainData.Geometry.LODCount;
}
List <int> lodValues = new List <int>();
List <string> lodLabels = new List <string>();
for (int i = 0; i < maxLod; ++i)
{
lodValues.Add(i);
lodLabels.Add(i.ToString());
}
config.LOD = EditorGUILayout.IntPopup("LOD", config.LOD, lodLabels.ToArray(), lodValues.ToArray());
config.FileType = (MeshSaver.FileType)EditorGUILayout.EnumPopup("File Type", config.FileType);
string dir = config.Directory;
EditorCommon.BrowseFolder("Directory", ref dir);
config.Directory = dir;
EditorUtility.SetDirty(config);
GUI.enabled =
config.Terrain != null &&
config.Terrain.TerrainData != null &&
!string.IsNullOrEmpty(config.Directory);
if (GUILayout.Button("Export"))
{
GAnalytics.Record(GX_TERRAIN_TO_MESH);
Export();
}
GUI.enabled = true;
}
private static void Export()
{
EditorUtility.DisplayProgressBar("Exporting", "Exporting terrain to file...", 1f);
try
{
List <Mesh> meshes = new List <Mesh>();
TerrainToFileConfig config = TerrainToFileConfig.Instance;
GStylizedTerrain terrain = config.Terrain;
GTerrainData terrainData = terrain.TerrainData;
int gridSize = terrainData.Geometry.ChunkGridSize;
int lod = config.LOD;
GTerrainChunk[] chunks = terrain.GetComponentsInChildren <GTerrainChunk>();
for (int i = 0; i < chunks.Length; ++i)
{
Mesh m = chunks[i].MeshFilterComponent.sharedMesh;
if (m != null)
{
Mesh cloneMesh = Object.Instantiate(m);
Matrix4x4 chunkToWorld = chunks[i].transform.localToWorldMatrix;
Matrix4x4 worldToTerrain = terrain.transform.worldToLocalMatrix;
Matrix4x4 matrix = chunkToWorld * worldToTerrain;
TransformMesh(cloneMesh, matrix);
meshes.Add(cloneMesh);
}
}
string fileName = string.Format("{0}_{1}_{2}",
config.Terrain.name.Replace(" ", "_"),
config.Terrain.GetInstanceID().ToString(),
"LOD" + config.LOD);
GUtilities.EnsureDirectoryExists(config.Directory);
string filePath = null;
if (config.FileType == MeshSaver.FileType.Obj)
{
filePath = MeshSaver.SaveObjMultipleMesh(meshes.ToArray(), config.Directory, fileName);
}
else if (config.FileType == MeshSaver.FileType.Fbx)
{
filePath = MeshSaver.SaveFbxMultipleMesh(meshes.ToArray(), config.Directory, fileName);
}
for (int i = 0; i < meshes.Count; ++i)
{
Object.DestroyImmediate(meshes[i]);
}
AssetDatabase.Refresh();
if (!string.IsNullOrEmpty(filePath))
{
string assetPath = filePath;
ModelImporter importer = ModelImporter.GetAtPath(assetPath) as ModelImporter;
if (importer != null)
{
importer.useFileScale = false;
importer.weldVertices = false;
importer.SaveAndReimport();
}
Object asset = AssetDatabase.LoadAssetAtPath <Object>(assetPath);
if (asset != null)
{
Selection.activeObject = asset;
EditorGUIUtility.PingObject(asset);
}
}
}
catch (System.Exception e)
{
Debug.LogError(e);
}
EditorUtility.ClearProgressBar();
}
private static void Export()
{
EditorUtility.DisplayProgressBar("Exporting", "Exporting terrain to file...", 1f);
try
{
List <Mesh> meshes = new List <Mesh>();
TerrainToFileConfig config = TerrainToFileConfig.Instance;
GStylizedTerrain terrain = config.Terrain;
GTerrainData terrainData = terrain.TerrainData;
int gridSize = terrainData.Geometry.ChunkGridSize;
int lod = config.LOD;
for (int z = 0; z < gridSize; ++z)
{
for (int x = 0; x < gridSize; ++x)
{
Vector2 meshIndex = new Vector2(x, z);
Mesh m = terrainData.GeometryData.GetMesh(GTerrainChunk.GetChunkMeshName(meshIndex, lod));
if (m != null)
{
meshes.Add(m);
}
}
}
string fileName = string.Format("{0}_{1}_{2}",
config.Terrain.name.Replace(" ", "_"),
config.Terrain.GetInstanceID().ToString(),
"LOD" + config.LOD);
string filePath = null;
if (config.FileType == MeshSaver.FileType.Obj)
{
filePath = MeshSaver.SaveObjMultipleMesh(meshes.ToArray(), config.Directory, fileName);
}
else if (config.FileType == MeshSaver.FileType.Fbx)
{
filePath = MeshSaver.SaveFbxMultipleMesh(meshes.ToArray(), config.Directory, fileName);
}
AssetDatabase.Refresh();
if (!string.IsNullOrEmpty(filePath))
{
string assetPath = filePath;
ModelImporter importer = ModelImporter.GetAtPath(assetPath) as ModelImporter;
if (importer != null)
{
importer.useFileScale = false;
importer.weldVertices = false;
importer.SaveAndReimport();
}
Object asset = AssetDatabase.LoadAssetAtPath <Object>(assetPath);
if (asset != null)
{
Selection.activeObject = asset;
EditorGUIUtility.PingObject(asset);
}
}
}
catch (System.Exception e)
{
Debug.LogError(e);
}
EditorUtility.ClearProgressBar();
}