void ExportMask(float[] data, int size, int resolution, string name, DateTime stamp, float spread, bool isClip, bool isReadable)
{
//Create interpolated array from data so the mask resolution does not need to match the terrain height map size.
InterpolatedArray2f heightMap = new InterpolatedArray2f(data, size, size, 1, false);
//Create the path name to save mask.
string fileName = string.Format("{0}-{1:yyyyMMdd-HHmmss}.png", name, stamp);
string path = System.IO.Path.Combine(Application.dataPath, fileName);
path = path.Replace('\\', '/');
Texture2D mask = null;
//Create the mask texture. Clip masks are created slightly different.
if (isClip)
{
mask = ShoreMaskGenerator.CreateClipMask(heightMap, resolution, resolution, m_oceanLevel + spread, TextureFormat.ARGB32);
}
else
{
mask = ShoreMaskGenerator.CreateMask(heightMap, resolution, resolution, m_oceanLevel, spread, TextureFormat.ARGB32);
}
//Save the texture.
byte[] bytes = mask.EncodeToPNG();
System.IO.File.WriteAllBytes(path, bytes);
DestroyImmediate(mask);
string relativePath = "Assets/" + fileName;
//Update asset data base with new mask texture.
AssetDatabase.ImportAsset(relativePath, ImportAssetOptions.ForceUpdate);
//Create a importer from the texture so some of its settings can be changed.
AssetImporter tmp = TextureImporter.GetAtPath(relativePath);
TextureImporter importer = tmp as TextureImporter;
if (importer != null)
{
//Change some of the settings of textures.
//Should always be bilinear clamped with no mipmaps.
//Height and clip masks should also be readable.
importer.wrapMode = TextureWrapMode.Clamp;
importer.filterMode = FilterMode.Bilinear;
importer.textureType = TextureImporterType.Default;
importer.mipmapEnabled = false;
importer.isReadable = isReadable;
AssetDatabase.ImportAsset(relativePath, ImportAssetOptions.ForceUpdate);
}
else
{
string msg = string.Format("{0:MM/dd/yy H:mm:ss zzz} - Failed to modify texture settings after creation. You will need to manually adjust texture settings.", DateTime.Now);
Ocean.LogInfo(msg);
}
}
void CreateShoreMasks()
{
Terrain terrain;
GameObject obj = Selection.activeGameObject;
//If obj is null user has not selected a object.
if (obj == null)
{
string msg = string.Format("{0:MM/dd/yy H:mm:ss zzz} - No object was selected. Please select the terrain in the scene. The shore mask will not be created.", DateTime.Now);
Ocean.LogInfo(msg);
return;
}
terrain = obj.GetComponent <Terrain>();
//If terrain is null user has not selected a object with a terrain component.
if (terrain == null)
{
string msg = string.Format("{0:MM/dd/yy H:mm:ss zzz} - Selected object was not a terrain. The shore mask will not be created.", DateTime.Now);
Ocean.LogInfo(msg);
return;
}
//If terrain data is null user has deleted the data at some point.
if (terrain.terrainData == null)
{
string msg = string.Format("{0:MM/dd/yy H:mm:ss zzz} - Terrains data is null. The shore mask will not be created.", DateTime.Now);
Ocean.LogInfo(msg);
return;
}
DateTime time = DateTime.Now;
//Get the height map data from the terrain.
float[] data = ShoreMaskGenerator.CreateHeightMap(terrain);
int resolution = terrain.terrainData.heightmapResolution;
//Export each of the masks if required.
if (m_exportHeightMask)
{
ExportMask(data, resolution, m_heightMaskResolution, terrain.name + "-HeightMask", time, m_heightMaskSpread, false, true);
}
if (m_exportEdgeFoam)
{
ExportMask(data, resolution, m_edgeFoamResolution, terrain.name + "-EdgeFoam", time, m_edgeFoamSpread, false, false);
}
if (m_exportFoamMask)
{
ExportMask(data, resolution, m_foamMaskResolution, terrain.name + "-FoamMask", time, m_foamMaskSpread, false, false);
}
if (m_exportNormalMask)
{
ExportMask(data, resolution, m_normalMaskResolution, terrain.name + "-NormalMask", time, m_normalMaskSpread, false, false);
}
if (m_exportClipMask)
{
ExportMask(data, resolution, m_clipMaskResolution, terrain.name + "-ClipMask", time, m_clipMaskOffset, true, true);
}
}