private float getClipped(Layer2DObject layer, int xph, int v)
{
int x = xph;
int y = v;
if (xph < layer.Resolution.X)
{
x = JryMath.Abs(xph);
}
if (v < layer.Resolution.Y)
{
y = JryMath.Abs(v);
}
if (xph >= layer.Resolution.X)
{
x = 2 * layer.Resolution.X - xph - 2;
}
if (v >= layer.Resolution.Y)
{
y = 2 * layer.Resolution.Y - v - 2;
}
return(layer[x, y].Value);
}
public ILayerMasked Do(Vector2 size)
{
//int maxDim = (int)JryMath.Max(size.X, size.Y);
//CONSTANT - There is a problem with values that are not 2^n wher n is element of N
var maxDim = 256;
int gradSize = 8;
IInterpolation interpolation = new LinearClipped();
Layer2DObject map = new Layer2DObject(size);
int hgrid = (int)size.X;
int vgrid = (int)size.Y;
float gain = _noiseParameters.Amplitude;
float lacunarity = _noiseParameters.Lacunarity;
var gradients = setupGradient(gradSize);
//set up the random numbers table
int[] permutations = getPermutaions(maxDim);
int maxDimMinOne = maxDim - 1;
int gradSizeMinOne = gradSize - 1;
for (int i = 0; i < vgrid; i++)
{
for (int j = 0; j < hgrid; j++)
{
float pixel_value = 0.0f;
float amplitude = 1.0f;
float frequency = 1.0f / maxDim;
for (int k = _noiseParameters.FromDepth; k < _noiseParameters.ToDepth; k++)
{
int x = JryMath.Floor(j * frequency);
int y = JryMath.Floor(i * frequency);
float fracX = j * frequency - x;
float fracY = i * frequency - y;
// following two lines solved the bug.
x += k;
y += k;
IntVector4 v = getIndices(permutations, maxDimMinOne, gradSizeMinOne, x, y);
Vector2[] grads = getGrads(gradients, v);
float interpolatedxy = biInterpolate(interpolation, grads, fracX, fracY);
pixel_value += interpolatedxy * amplitude;
amplitude *= gain;
frequency *= lacunarity;
}
//put it in the map
map[j, i] = pixel_value;
}
}
return(map);
}
private void square(Layer2DObject layer, int size, float ap, int depth, IRandom2 rand)
{
int squareSize = (int)(size * JryMath.Pow(.5f, depth));
int squareHalfSize = (int)(squareSize / 2);
for (int iy = 0; iy < JryMath.Pow(2, depth); iy++)
{
for (int ix = 0; ix < JryMath.Pow(2, depth); ix++)
{
var xCorL = ix * squareSize;
var xCorR = (ix + 1) * squareSize;
var yCorT = iy * squareSize;
var yCorB = (iy + 1) * squareSize;
var tl = layer[xCorL, yCorT].Value;
var bl = layer[xCorL, yCorB].Value;
var tr = layer[xCorR, yCorT].Value;
var br = layer[xCorR, yCorB].Value;
int xph = xCorL + squareHalfSize;
int yph = yCorT + squareHalfSize;
var c = (tl + tr + br + bl) / 4 + rnd(rand, xph, yph) * ap;
var b = (br + bl + c + getClipped(layer, xph, yph + squareSize)) / 4 + rnd(rand, xph, yph + squareSize) * ap;
var t = (tr + tl + c + getClipped(layer, xph, yph - squareSize)) / 4 + rnd(rand, xph, yph - squareSize) * ap;
var r = (tr + br + c + getClipped(layer, xph + squareSize, yph)) / 4 + rnd(rand, xph + squareSize, yph) * ap;
var l = (tl + bl + c + getClipped(layer, xph - squareSize, yph)) / 4 + rnd(rand, xph - squareSize, yph) * ap;
layer[xph, yCorT] = t;
layer[xph, yCorB] = b;
layer[xCorL, yph] = l;
layer[xCorR, yph] = r;
}
}
}
public ILayerMasked Do(INoiseParameters param, Vector2 size)
{
var dt = DateTime.Now.Millisecond;
System.Diagnostics.Debug.Print(dt + "Rand" + _rand.NextD(1, 2));
var pow = (int)JryMath.Max(JryMath.Ceil(JryMath.Log(size.X, 2)), JryMath.Ceil(JryMath.Log(size.Y, 2)));
int sizePow2 = (int)JryMath.Pow(2, pow) + 1;
Layer2DObject layer = new Layer2DObject(sizePow2, sizePow2);
setupBaseDS(sizePow2, layer, _rand);
var par = param.BaseAmplitude * param.Amplitude;
ds(layer, sizePow2, par, param, _rand);
var croped = new Layer2DObject(size);
for (int y = 0; y < size.Y; y++)
{
for (int x = 0; x < size.X; x++)
{
croped[x, y] = layer[x, y];
}
}
return(croped);
}
// TODO create new generator that crates gradient primitives!
private static Layer2DObject getCanyonProfile(List <Vector2> oldpoints, Vector2 resolution)
{
// polygon has to be centered
var oldcenter = oldpoints.Aggregate((a, b) => a + b) / oldpoints.Count;
var maskCenter = resolution * .5f;
var ptTranslateVector = oldcenter - maskCenter;
//var ptTranslateVector = Vector2.Zero;
var points = oldpoints.Select(r => r - ptTranslateVector).ToList();
var center = points.Aggregate((a, b) => a + b) / points.Count;
var v = new VerySpecificQuadraticVoronoiAreaDrawer();
var canyonProfile = new Layer2DObject(resolution);
var segs = points.Select((t, i) => new LineSegment(t, points[(i + 1) % points.Count])).ToList();
v.PrintToLayer(canyonProfile, new List <IArea>()
{
new Area()
{
Center = center,
Points = points,
Segments = segs
}
}, Vector2.Zero);
return(canyonProfile);
}
private void ds(Layer2DObject layer, int sizePow2, float ba, INoiseParameters np, IRandom2 rand)
{
int size = sizePow2 - 1;
int log = (int)JryMath.Log(size, 2);
// HACK
var x = np as DsNoiseParameters;
for (int l = 0; l < log; l++)
{
if (l == 0 && x != null)
{
hackeddiamond(layer, ba, x.HillProbability);
}
else
{
diamond(layer, size, ba, l, rand);
}
square(layer, size, ba, l, rand);
ba *= np.Amplitude;
if (l >= np.ToDepth)
{
ba *= np.Amplitude;
}
}
}
public ILayerMasked GetCachedZoomedHeightmap()
{
if (HeightmapLayer == null)
{
return(null);
}
if (Zoom == 1)
{
return(HeightmapLayer);
}
if (Zoom == _lastZoom && _cachedZoomedLayer != null && _version == HeightmapVersion)
{
return(_cachedZoomedLayer);
}
_lastZoom = Zoom;
_version = HeightmapVersion;
Layer2DObject l = new Layer2DObject(GetRecalculatedSize());
float xScale = (float)HeightmapLayer.Resolution.X / l.Resolution.X;
float yScale = (float)HeightmapLayer.Resolution.Y / l.Resolution.Y;
for (int y = 0; y < l.Resolution.Y; y++)
{
for (int x = 0; x < l.Resolution.X; x++)
{
var oldX = (int)(x * xScale);
var oldY = (int)(y * yScale);
l[x, y] = HeightmapLayer[oldX, oldY];
}
}
_cachedZoomedLayer = l;
return(l);
}
public async Task SaveLayers()
{
Blur b = new Blur();
var dr = new BallDrainageSimulator();
var vl = new VisualLogger();
var file = "SavedFiles/rvrnw.bmp";
var i = Image.FromFile(file);
var bitmap = new Bitmap(i);
var layer = new LayerConverter().LoadLayer(bitmap);
ILayer blured = new Layer2DObject(layer.Resolution);
//b.Process(layer, blured, 3);
blured = layer;
vl.Log(blured, "base");
var drainagemap = dr.GetDrainageMap(blured, 10);
//logger shit
drainagemap[0, 0] = 0;
vl.Log(drainagemap, "drainage");
}
public ILayerMasked RenderBitmapToHeightMap(Bitmap bitmap)
{
int hei = bitmap.Height;
int wid = bitmap.Width;
var layer = new Layer2DObject(wid, hei);
BitmapData dataOut = bitmap.LockBits(new Rectangle(0, 0, wid, hei), ImageLockMode.WriteOnly, bitmap.PixelFormat);
unsafe
{
int dO = Image.GetPixelFormatSize(bitmap.PixelFormat) / 8; // pixel size in bytes
for (int yo = 0; yo < hei; yo++)
{
byte *optr = (byte *)dataOut.Scan0 + yo * dataOut.Stride;
for (int xo = 0; xo < wid; xo++)
{
//COLOR here
var color = toGrayScale(optr[0], optr[1], optr[2]);
layer[xo, yo] = color;
optr += dO;
}
}
}
bitmap.UnlockBits(dataOut);
return(layer);
}
public override Task <ILayerMasked> GenerateLayer()
{
var pts = _layerLocalParameters.Polygon.Points.ToList();
var bounds = new GeometryUtils().GetBoundsForPoints(pts);
var mask = obtainBluredMask(pts,
_layerLocalParameters.BlurSize,
_layerLocalParameters.ExtendSize);
var size = mask.Resolution;
int count = (int)JryMath.Max(size.X, size.Y) / 100 + 1;
var areas = _voronoiAreGenerator.GenerateAreas(size, bounds.GetSize(), count);
_areaLoggerWithFill.LogAreas(size, areas, "loggedAreasFilled");
var layer = new Layer2DObject(new Vector2(size.X + _layerLocalParameters.ExtendSize, size.Y + _layerLocalParameters.ExtendSize));
var layerSize = layer.Resolution;
var deltaX = (layerSize.X - size.X) / 2;
var deltaY = (layerSize.Y - size.Y) / 2;
var translateVector = new Vector2(deltaX, deltaY);
_voronoiAreaDrawer.PrintToLayer(layer, areas, translateVector);
layer.Mask = mask;
_logger.Log(layer, "mountain");
applyOffset(_layerLocalParameters.ExtendSize, _layerLocalParameters.Polygon.Points.ToList(), layer);
_layUtils.Normalize(layer);
layer.Mask = mask;
return(Task.FromResult((ILayerMasked)layer));
}
public Layer2DObject[] Generate(IWorld world)
{
int x = (int)world.Parameters.BitmapResolution.X;
int y = (int)world.Parameters.BitmapResolution.Y;
Layer2DObject layer = new Layer2DObject(world.Parameters.BitmapResolution);
return(new Layer2DObject[] { layer });
}
private void hackeddiamond(Layer2DObject layer, float ap, float he)
{
var s = layer.Resolution.X - 1;
var tl = layer[0, 0].Value;
var bl = layer[0, s].Value;
var tr = layer[s, 0].Value;
var br = layer[s, s].Value;
var c = (tl + tr + br + bl) / 4 + (he - .5f) * ap;
//var c = he-.5f * ap ;
layer[s / 2, s / 2] = c;
}
private ILayerMasked drawSiteToLayer(IntVector2 size, IEnumerable <IArea> areas)
{
var layer = new Layer2DObject(size.X, size.Y);
_layerUtility.IterateValues(layer, (x, y, va) => layer[x, y] = 0);
var layerDrawer = new LayerDrawer(layer);
foreach (var area in areas)
{
layerDrawer.DrawArea(area);
}
return(layer);
}
public ILayer LoadLayer(Bitmap m)
{
var l = new Layer2DObject(m.Size.Width, m.Size.Height);
for (int y = 0; y < l.Resolution.Y; y++)
{
for (int x = 0; x < l.Resolution.X; x++)
{
l[x, y] = (float)m.GetPixel(x, y).R / 256;
}
}
return(l);
}
public void BeginPaint(Vector2 vector2)
{
if (!CanPaint())
{
return;
}
_beforeUpdateLayer = new Layer2DObject(HeightmapLayer.Resolution);
utils.CloneFromTo(HeightmapLayer, _beforeUpdateLayer);
LayerPainter.InitializeSource(this.HeightmapLayer);
var rec = zoomManager.RecalcZoomDiv(vector2);
LayerPainter.BeginBrushpath(rec, SelectedPluginTool, BrushSize, (float)BrushStrenght / 100, (float)BrushFade / 100);
}
public async Task Compose(IWorld w)
{
var param = w.Parameters;
var fields = w.Fields;
var pars = await generateFields(param, fields);
IErosionDescriptor bs;
ILayerMasked baseLayer;
IBlendModeAlpha ba;
if (w.UseBase)
{
var bsd = _describer.DescribeBaseLayer(param, w.BaseField);
//baseLayer = await bsd.LayerGlobalParameters.Profile
baseLayer = await bsd.LayerGlobalParameters.Generator.GenerateLayer();
//_layerUtils.Normalize(baseLayer);
//HACK baselayers mask extend it size
var x = new Layer2DObject(w.Parameters.BitmapResolution);
_layerUtils.IterateValues(x, (v, val) => x[v] = baseLayer[v]);
baseLayer = x;
ba = bsd.AlphaBlend;
bs = bsd;
}
else
{
baseLayer = new Layer2DObject(w.Parameters.BitmapResolution);
baseLayer.Mask = new Mask(baseLayer.Resolution);
_layerUtils.IterateValues(baseLayer.Mask, (v, val) => baseLayer[v] = 1);
setUpDefaulValue(baseLayer);
bs = new ErosionDescriptor();
ba = new AlphaBlend();
}
bs.HydraulicErosionParams.Strenght = param.ErosionStrength * strengthMultpilier;
ILayerMasked merged = merge(ba, baseLayer, pars);
//_layerUtils.FitInto(merged, 0, 1);
postProcessWholeLayer(merged, bs, w.Parameters.RiverAmount);
ComposedLayer = merged;
}
private ILayer slightlyNoiseLayer(ILayer input)
{
var noise = getNoise(input);
new VisualLogger().Log(noise, "noise");
ILayer baseLayer = new Layer2DObject(input.Resolution);
_layerUtility.IterateValues(baseLayer,
(vv, val) => baseLayer[vv] = 0);
ILayer layerNoised = new Layer2DObject(input.Resolution);
_layerUtility.IterateValues(input,
(vv, val) => layerNoised[vv] = val + .05f * noise[vv]);
new VisualLogger().Log(layerNoised, "noised");
return(layerNoised);
}
private void setupBaseDS(int sizePow2, Layer2DObject layer, IRandom2 rand)
{
int blockSize = sizePow2;
int xstart = 0;
int ystart = 0;
int xend = xstart + blockSize - 1;
int yend = ystart + blockSize - 1;
var tl = rnd(rand, xstart, ystart);
var tr = rnd(rand, xend, ystart);
var bl = rnd(rand, xstart, yend);
var br = rnd(rand, xend, yend);
layer[xend, ystart] = tr;
layer[xstart, yend] = bl;
layer[xstart, ystart] = tl;
layer[xend, yend] = br;
}
private static ILayer printMountainProfile(int countOfCells, ISegmendDivider sd)
{
var l = new Layer2DObject(res);
// TODO change rand approach
var rnd = new Rand(seed);
var c = new VoronoiConverter(sd);
var g = new VoronoiGenerator(c);
var gg = new VoronoiAreaGenerator(g, rnd);
var vd = new VoronoiAreaDrawer();
var areas = gg.GenerateAreas(res, res, countOfCells);
vd.PrintToLayer(l, areas, Vector2.Zero);
return(l);
}
public override async Task <ILayerMasked> GenerateLayer()
{
var layers = await generateLayers();
var x = layers.Min(r => r.Layer.Resolution.X);
var y = layers.Min(r => r.Layer.Resolution.Y);
var size = new Vector2(x, y);
var merged = new Layer2DObject(x, y);
// move to layerUtils class
foreach (var layerWithInfluence in layers)
{
var inf = layerWithInfluence.Influence;
var layer = layerWithInfluence.Layer;
// TODO use paralallel and atomic addition
// disable cache
for (int i = 0; i < size.Y; i++)
{
for (int j = 0; j < size.X; j++)
{
var influencedValue = inf * layer[j, i];
var mergedValue = merged[j, i];
merged[j, i] =
mergedValue.HasValue ?
mergedValue + influencedValue :
influencedValue;
}
}
}
merged.Mask = obtainBluredMask(_layerLocalParameters.Polygon.Points.ToArray()
, _layerLocalParameters.BlurSize
, _layerLocalParameters.ExtendSize);
applyOffset(_layerLocalParameters.ExtendSize
, _layerLocalParameters.Polygon.Points.ToArray()
, merged);
_logger.Log(merged, "combined");
return(merged);
}
public ILayer GetDrainageMap(ILayer input, int riverCount)
{
var layerNoised = slightlyNoiseLayer(input);
var localMaximae = getLocalMaximaRecord(layerNoised, riverCount);
uint i = 0;
ILayer finalLayer = new Layer2DObject(input.Resolution);
foreach (var max in localMaximae)
{
ILayer layer = new Layer2DObject(input.Resolution);
drawOnLayer(layerNoised, layer, max, ++i);
_layerUtility.IterateValues(layer, (vv, val) =>
{
if (val.HasValue && val.Value == riverMark)
{
finalLayer[vv] = 1;
}
;
});
}
return(finalLayer);
}
private static void printVoronoi(int countOfCells, ISegmendDivider sd)
{
var l = new Layer2DObject(res);
// TODO change rand approach
var rnd = new Rand(seed);
var c = new VoronoiConverter(sd);
var g = new VoronoiGenerator(c);
var gg = new VoronoiAreaGenerator(g, rnd);
var vd = new VoronoiAreaDrawer();
var areas = gg.GenerateAreas(res, res * .5f, countOfCells);
vd.PrintToLayer(l, areas, new Vector2());
var vl = new VisualLogger();
vl.Log(l, "profile");
}
public ILayerMasked Process(ILayer inImage, int radial, float ignoreLevel)
{
//everything that is above ignorelevel is ignored
var rct = inImage.Resolution;
var source = new float?[rct.X * rct.Y];
var width = inImage.Resolution.X;
var height = inImage.Resolution.Y;
var _greyScale = new float?[width * height];
int xSize = inImage.Resolution.X;
int ySize = inImage.Resolution.Y;
for (int y = 0; y < ySize; y++)
{
for (int x = 0; x < xSize; x++)
{
var i = y * xSize + x;
var val = inImage[x, y];
source[i] = nullToZero(val);
}
}
Parallel.For(0, source.Length, _pOptions, i =>
{
_greyScale[i] = nullToZero(source[i]);
});
var newGrayScale = new float?[width * height];
var dest = new float?[width * height];
Parallel.Invoke(
() => gaussBlur_4(_greyScale, newGrayScale, radial, width, height));
Parallel.For(0, dest.Length, _pOptions, i =>
{
var val = newGrayScale[i];
if (val > 1)
{
val = 1;
}
if (val < 0)
{
val = 0;
}
dest[i] = val;
});
var image = new Layer2DObject(width, height);
for (int y = 0; y < height; y++)
{
for (int x = 0; x < width; x++)
{
var i = y * width + x;
var val = dest[i];
if (val.HasValue && val.Value < ignoreLevel)
{
image[x, y] = val;
}
else
{
image[x, y] = inImage[x, y];
}
}
}
return(image);
}
