/// <summary>
/// Static import of terrain files into project/scene. No streaming.
/// </summary>
/// <param name="folderPath"></param>
public void ImportFolderIntoScene(int lodLevel, TaskProgressToken token)
{
/* Todo:
* - Unify more code with the streaming system (i.e. this terrain is streamed once at startup, but same code)
* - Allow iterative work flow (i.e. just reimporting splatmaps, not everything)
* - support running batches, parallel processing
*/
Debug.Log("Importing lod level: " + lodLevel);
try {
var lod = ImportCfg.LodLevels[lodLevel];
List <string> heightmapFiles = FilterFolder(lod.FolderPath, ImportCfg.HeightmapTag, ImportCfg.HeightmapExtention);
var terrainDatas = CreateTerrainDatas(lod.FolderPath, heightmapFiles, lod);
if (heightmapFiles == null || heightmapFiles.Count == 0)
{
throw new ArgumentException(string.Format("No heightmaps found in folder after filtering: " + lod.FolderPath));
}
ProcessHeightmapAssets(heightmapFiles, terrainDatas, lod, token);
List <string> splatmapFiles = FilterFolder(lod.FolderPath, ImportCfg.SplatmapTag, ImportCfg.SplatmapExtention);
if (splatmapFiles == null || splatmapFiles.Count != heightmapFiles.Count)
{
throw new ArgumentException(string.Format("The number of splatmaps {0} does not match the number of heightmaps {1}.", splatmapFiles.Count, heightmapFiles.Count));
}
ProcessSplatmapAssets(splatmapFiles, terrainDatas, token);
if (lod.HasDetailMap)
{
List <string> detailmapFiles = FilterFolder(lod.FolderPath, ImportCfg.DetailmapTag, ImportCfg.SplatmapExtention);
if (detailmapFiles == null || detailmapFiles.Count != heightmapFiles.Count)
{
throw new ArgumentException(string.Format("The number of detailmaps {0} does not match the number of heightmaps {1}.", detailmapFiles.Count, heightmapFiles.Count));
}
ProcessDetailmapAssets(detailmapFiles, terrainDatas, token);
}
if (lod.HasTreeMap)
{
List <string> treemapFiles = FilterFolder(lod.FolderPath, ImportCfg.TreemapTag, ImportCfg.SplatmapExtention);
if (treemapFiles == null || treemapFiles.Count != heightmapFiles.Count)
{
throw new ArgumentException(string.Format("The number of treemaps {0} does not match the number of heightmaps {1}.", treemapFiles.Count, heightmapFiles.Count));
}
ProcessTreemapAssets(treemapFiles, terrainDatas, token);
}
var terrains = InstantiateTerrainInScene(heightmapFiles, terrainDatas, lod);
SetupLandmassUnityTerrain(terrains, lod, CustomShaderId, MaterialPath);
}
catch (Exception e) {
Debug.LogError("Failed to import terrains into scene.");
Debug.LogException(e);
}
IsProcessing = false;
}
public void ProcessTreemapAssets(IList <string> assets, IList <TerrainData> terrainDatas, TaskProgressToken token)
{
IsProcessing = true;
for (int i = 0; i < assets.Count; i++)
{
// Display progress bar with cancel button
token.Progress = (i + 1) / (float)assets.Count;
if (token.Cancel)
{
break;
}
string asset = assets[i];
TerrainData terrainData = terrainDatas[i];
LandmasImporter.Instance.ApplyTreePrototypes(terrainData, TreePrototypes);
Texture2D treemapTexture = AssetDatabase.LoadAssetAtPath(asset, typeof(Texture2D)) as Texture2D;
LandmasImporter.ParseTreemapTexturesToTerrain(treemapTexture, terrainData);
if (i % ImportCfg.BatchLimit == 0)
{
FlushAssetsToDisk();
}
}
FlushAssetsToDisk();
IsProcessing = false;
}
public void ProcessSplatmapAssets(IList <string> assets, IList <TerrainData> terrainDatas, TaskProgressToken token)
{
LandmasImporter.ValidateSplatPrototypes(SplatPrototypes);
IsProcessing = true;
for (int i = 0; i < assets.Count; i++)
{
// Display progress bar with cancel button
token.Progress = (i + 1) / (float)assets.Count;
if (token.Cancel)
{
break;
}
string asset = assets[i];
TerrainData terrainData = terrainDatas[i];
LandmasImporter.Instance.ApplySplatPrototypes(terrainData, SplatPrototypes);
Texture2D splatmapTexture = AssetDatabase.LoadAssetAtPath(asset, typeof(Texture2D)) as Texture2D;
var splatmap = new float[terrainData.alphamapResolution, terrainData.alphamapResolution, 4];
LandmasImporter.TextureToSplatMap(splatmapTexture, ref splatmap, false, false);
LandmasImporter.Instance.ParseSplatmapToTerrain(splatmap, terrainData);
if (i % ImportCfg.BatchLimit == 0)
{
FlushAssetsToDisk();
}
}
FlushAssetsToDisk();
IsProcessing = false;
}
// Todo: process detail maps (grass and such)
public void ProcessDetailmapAssets(IList <string> assets, IList <TerrainData> terrainDatas, TaskProgressToken token)
{
IsProcessing = true;
for (int i = 0; i < assets.Count; i++)
{
// Display progress bar with cancel button
token.Progress = (i + 1) / (float)assets.Count;
if (token.Cancel)
{
break;
}
string asset = assets[i];
TerrainData terrainData = terrainDatas[i];
LandmasImporter.Instance.ApplyDetailPrototypes(terrainData, DetailPrototypes);
Texture2D texture = AssetDatabase.LoadAssetAtPath(asset, typeof(Texture2D)) as Texture2D;
int[][,] map = new int[DetailPrototypes.Count][, ];
for (int j = 0; j < map.Length; j++)
{
map[j] = new int[texture.width, texture.height];
}
LandmasImporter.TextureToDetailMap(texture, ref map, false, false);
LandmasImporter.Instance.ParseDetailmapToTerrain(map, terrainData);
if (i % ImportCfg.BatchLimit == 0)
{
FlushAssetsToDisk();
}
}
FlushAssetsToDisk();
IsProcessing = false;
}
public void ProcessHeightmapAssets(IList <string> assets, IList <TerrainData> terrains, LodLevel lod, TaskProgressToken token)
{
if (IsProcessing)
{
return;
}
IsProcessing = true;
token.Title = "Processing heightmaps...";
// Todo: split out terrain data creation/retrieval, call it here to get List<TerrainData>, or something
for (int i = 0; i < assets.Count; i++)
{
token.Progress = (float)(i + 1) / assets.Count;
if (token.Cancel)
{
break;
}
string heightmapPath = assets[i];
TerrainData terrainData = terrains[i];
var heightData = new float[lod.HeightmapResolution, lod.HeightmapResolution];
LandmasImporter.LoadRawFileAsFloats(
heightmapPath,
ref heightData,
ImportCfg.HeightFormat,
false,
true);
// For 8-bit PNGs
//var heightTexture = LandmasImporter.LoadTexture(heightmapPath, ImportCfg.HeightmapResolution);
//LandmasImporter.TextureToHeightMap(heightTexture, ref heightData, false, true);
terrainData.SetHeights(0, 0, heightData);
// Save assets to disk and flush them from memory
if (i % ImportCfg.BatchLimit == 0)
{
FlushAssetsToDisk();
}
}
FlushAssetsToDisk();
IsProcessing = false;
}
