public DisplacementBufferGPU(int size, Shader fourierSdr)
: base(size, fourierSdr, NUM_BUFFERS)
{
int GRIDS = QueryDisplacements.GRIDS;
int CHANNELS = QueryDisplacements.CHANNELS;
m_displacements = new InterpolatedArray2f[GRIDS];
for (int i = 0; i < GRIDS; i++)
{
m_displacements[i] = new InterpolatedArray2f(size, size, CHANNELS, true);
}
}
public static void CopyAndCreateDisplacements(IList<InterpolatedArray2f> source, out IList<InterpolatedArray2f> des)
{
if(source.Count != GRIDS)
throw new InvalidOperationException("Query Displacements requires a displacement buffer for each of the " + GRIDS + " grids.");
if(source[0].Channels != CHANNELS)
throw new InvalidOperationException("Query Displacements requires displacement buffers have " + CHANNELS + " channels.");
int size = source[0].SX;
des = new InterpolatedArray2f[GRIDS];
des[0] = new InterpolatedArray2f(source[0].Data, size, size, CHANNELS, true);
des[1] = new InterpolatedArray2f(source[1].Data, size, size, CHANNELS, true);
des[2] = new InterpolatedArray2f(source[2].Data, size, size, CHANNELS, true);
des[3] = new InterpolatedArray2f(source[3].Data, size, size, CHANNELS, true);
}
public DisplacementBufferCPU(int size, Scheduler scheduler)
: base(size, NUM_BUFFERS, scheduler)
{
int GRIDS = QueryDisplacements.GRIDS;
int CHANNELS = QueryDisplacements.CHANNELS;
m_displacements = new List<InterpolatedArray2f[]>(2);
m_displacements.Add( new InterpolatedArray2f[GRIDS] );
m_displacements.Add( new InterpolatedArray2f[GRIDS] );
for (int i = 0; i < GRIDS; i++)
{
m_displacements[0][i] = new InterpolatedArray2f(size, size, CHANNELS, true);
m_displacements[1][i] = new InterpolatedArray2f(size, size, CHANNELS, true);
}
}
public static Texture2D CreateClipMask(InterpolatedArray2f heightMap, int width, int height, float shoreLevel, TextureFormat format)
{
Texture2D mask = new Texture2D(width, height, format, false, true);
mask.filterMode = FilterMode.Bilinear;
Color[] colors = new Color[width * height];
bool matches = width == heightMap.SX && height == heightMap.SY;
for (int y = 0; y < height; y++)
{
for (int x = 0; x < width; x++)
{
int i = x + y * height;
float h = 0.0f;
if (matches)
{
h = Mathf.Clamp(heightMap.Data[i] - shoreLevel, 0.0f, 1.0f);
}
else
{
float fx = x / (width - 1.0f);
float fy = y / (height - 1.0f);
h = Mathf.Clamp(heightMap.Get(fx, fy, 0) - shoreLevel, 0.0f, 1.0f);
}
if (h > 0.0f) h = 1.0f;
colors[i].r = h;
colors[i].g = h;
colors[i].b = h;
colors[i].a = h;
}
}
mask.SetPixels(colors);
mask.Apply();
return mask;
}
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.Advanced;
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()
{
//float t = Time.realtimeSinceStartup;
Release();
Terrain terrain = GetComponent<Terrain>();
if (terrain == null)
{
//If there gameobject has not terrain print a warning and return.
//Do this rather than have a terrain as a required component as it would be
//rather annoying for the script to create a terrain if added to wrong gameobject.
Ocean.LogWarning("The AddAutoShoreMask script must be attached to a component with a Terrain. The shore mask will not be created.");
enabled = false;
return;
}
if (terrain.terrainData == null)
{
//This can happen if the terrain data in asset folder is deleted
Ocean.LogWarning("The terrain data is null. The shore mask will not be created.");
enabled = false;
return;
}
Vector3 size = terrain.terrainData.size;
resolution = Mathf.Clamp(resolution, 32, 4096);
m_width = size.x;
m_height = size.z;
float level = Ocean.Instance.level;
float[] data = ShoreMaskGenerator.CreateHeightMap(terrain);
int actualResolution = terrain.terrainData.heightmapResolution;
InterpolatedArray2f heightMap = new InterpolatedArray2f(data, actualResolution, actualResolution, 1, false);
if(useHeightMask || useNormalMask || useFoamMask)
m_heightMask = ShoreMaskGenerator.CreateMask(heightMap, resolution, resolution, level, heightSpread, TextureFormat.ARGB32);
if(useEdgeFoam)
m_edgeFoam = ShoreMaskGenerator.CreateMask(heightMap, resolution, resolution, level, foamSpread, TextureFormat.ARGB32);
if (useClipMask)
m_clipMask = ShoreMaskGenerator.CreateClipMask(heightMap, resolution, resolution, level + clipOffset, TextureFormat.ARGB32);
if(useHeightMask)
m_overlays[0].HeightTex.mask = m_heightMask;
if(useNormalMask)
m_overlays[0].NormalTex.mask = m_heightMask;
if(useFoamMask)
m_overlays[0].FoamTex.mask = m_heightMask;
if(useEdgeFoam)
m_overlays[0].FoamTex.tex = m_edgeFoam;
if(useClipMask)
m_overlays[0].ClipTex.tex = m_clipMask;
if (!m_registered)
{
Ocean.Instance.OverlayManager.Add(m_overlays[0]);
m_registered = true;
}
m_heightSpread = heightSpread;
m_foamSpread = foamSpread;
m_clipOffset = clipOffset;
m_resolution = resolution;
//Debug.Log("Shore mask creation time = " + (Time.realtimeSinceStartup - t) * 1000.0f);
}
