public TerrainGenerator(long seed)
{
var seededConstant = new SimplexPerlin((int)seed, NoiseQuality.Fast);
TurbX = new OpenSimplex(seed);
TurbY = new OpenSimplex(seed);
Chaos = new RidgedMultiFractal {
OctaveCount = 7, Primitive2D = seededConstant
};
Hill = new OpenSimplex(seed);
Alt = new HybridMultiFractal {
OctaveCount = 8, Gain = 0.1f, Primitive2D = seededConstant
};
Temp = new OpenSimplex(seed);
Dry = new HeterogeneousMultiFractal()
{
Primitive2D = seededConstant
};
Small = new HeterogeneousMultiFractal {
OctaveCount = 2, Primitive2D = seededConstant
};
Rock = new HybridMultiFractal()
{
Gain = 0.3f, Primitive2D = seededConstant
};
Cliff = new HybridMultiFractal()
{
Gain = 0.3f, Primitive2D = seededConstant
};
Humid = new Billow {
OctaveCount = 12, Gain = 0.125f, Frequency = 1, Primitive2D = seededConstant
};
}
public HeterogeneousMultiFractal2DPrimitive(double frequency, double scale, int seed, NoiseQuality quality)
{
this.frequency = frequency;
this.scale = scale;
noise = new HeterogeneousMultiFractal {
Primitive2D = new SimplexPerlin(seed, quality)
};
}
public IModule3D CreateModule()
{
FilterModule filterModule = null;
switch (filter)
{
case NoiseFilter.Pipe:
filterModule = new Pipe();
break;
case NoiseFilter.SumFractal:
filterModule = new SumFractal();
break;
case NoiseFilter.SinFractal:
filterModule = new SinFractal();
break;
case NoiseFilter.MultiFractal:
filterModule = new MultiFractal();
break;
case NoiseFilter.Billow:
filterModule = new Billow();
break;
case NoiseFilter.HeterogeneousMultiFractal:
filterModule = new HeterogeneousMultiFractal();
break;
case NoiseFilter.HybridMultiFractal:
filterModule = new HybridMultiFractal();
break;
case NoiseFilter.RidgedMultiFractal:
filterModule = new RidgedMultiFractal();
break;
case NoiseFilter.Voronoi:
filterModule = new Voronoi();
break;
}
if (filterModule != null)
{
filterModule.Frequency = frequency;
filterModule.Lacunarity = lacunarity;
filterModule.OctaveCount = (float)octaves;
filterModule.Offset = offset;
filterModule.Gain = gain;
}
return((IModule3D)filterModule);
}
/// <summary>
///
/// </summary>
protected void GenerateNoise()
{
EnabledInterface(false);
// Parse input ------------------------------------------------------------------------------------
int seed = ParseInt(_tbxSeed.Text, PrimitiveModule.DefaultSeed);
double frequency = ParseDouble(_tbxFrequency.Text, FilterModule.DEFAULT_FREQUENCY);
double lacunarity = ParseDouble(_tbxLacunarity.Text, FilterModule.DEFAULT_LACUNARITY);
double gain = ParseDouble(_tbxGain.Text, FilterModule.DEFAULT_GAIN);
double offset = ParseDouble(_tbxOffset.Text, FilterModule.DEFAULT_OFFSET);
double exponent = ParseDouble(_tbxExponent.Text, FilterModule.DEFAULT_SPECTRAL_EXPONENT);
var octaveCount = (int)_nstpOctave.Value;
bool seamless = _chkbx.Checked;
GradientColor gradient = GradientColors.Grayscale;
NoiseQuality quality = PrimitiveModule.DefaultQuality;
var primitive = NoisePrimitive.ImprovedPerlin;
var filter = NoiseFilter.SumFractal;
try
{
quality = (NoiseQuality)Enum.Parse(typeof(NoiseQuality), _cbxQuality.Text);
}
catch
{
MessageBox.Show(
String.Format("Unknown quality '{0}'", _cbxQuality.Text),
"Libnoise Error",
MessageBoxButtons.OK,
MessageBoxIcon.Error
);
EnabledInterface(true);
return;
}
try
{
primitive = (NoisePrimitive)Enum.Parse(typeof(NoisePrimitive), _cbxPrimitive.Text);
}
catch
{
MessageBox.Show(
String.Format("Unknown primitive '{0}'", _cbxPrimitive.Text),
"Libnoise Error",
MessageBoxButtons.OK,
MessageBoxIcon.Error
);
EnabledInterface(true);
return;
}
try
{
filter = (NoiseFilter)Enum.Parse(typeof(NoiseFilter), _cbxFilter.Text);
}
catch
{
MessageBox.Show(
String.Format("Unknown filter '{0}'", _cbxFilter.Text),
"Libnoise Error",
MessageBoxButtons.OK,
MessageBoxIcon.Error
);
EnabledInterface(true);
return;
}
switch (_cbxGradient.Text)
{
case "Grayscale":
gradient = GradientColors.Grayscale;
break;
case "Terrain":
gradient = GradientColors.Terrain;
break;
}
// Create module tree ------------------------------------------------------------------------------------
PrimitiveModule pModule = null;
switch (primitive)
{
case NoisePrimitive.Constant:
pModule = new Constant(offset);
break;
case NoisePrimitive.Cylinders:
pModule = new Cylinders(offset);
seamless = false;
break;
case NoisePrimitive.Spheres:
pModule = new Spheres(offset);
seamless = false;
break;
case NoisePrimitive.BevinsGradient:
pModule = new BevinsGradient();
break;
case NoisePrimitive.BevinsValue:
pModule = new BevinsValue();
break;
case NoisePrimitive.ImprovedPerlin:
pModule = new ImprovedPerlin();
break;
case NoisePrimitive.SimplexPerlin:
pModule = new SimplexPerlin();
break;
}
pModule.Quality = quality;
pModule.Seed = seed;
FilterModule fModule = null;
ScaleBias scale = null;
switch (filter)
{
case NoiseFilter.Pipe:
fModule = new Pipe();
break;
case NoiseFilter.SumFractal:
fModule = new SumFractal();
break;
case NoiseFilter.SinFractal:
fModule = new SinFractal();
break;
case NoiseFilter.MultiFractal:
fModule = new MultiFractal();
// Used to show the difference with our gradient color (-1 + 1)
scale = new ScaleBias(fModule, 1, -0.8);
break;
case NoiseFilter.Billow:
fModule = new Billow();
((Billow)fModule).Bias = -0.2;
((Billow)fModule).Scale = 2;
break;
case NoiseFilter.HeterogeneousMultiFractal:
fModule = new HeterogeneousMultiFractal();
// Used to show the difference with our gradient color (-1 + 1)
scale = new ScaleBias(fModule, -1, 2);
break;
case NoiseFilter.HybridMultiFractal:
fModule = new HybridMultiFractal();
// Used to show the difference with our gradient color (-1 + 1)
scale = new ScaleBias(fModule, 0.7, -2);
break;
case NoiseFilter.RidgedMultiFractal:
fModule = new RidgedMultiFractal();
// Used to show the difference with our gradient color (-1 + 1)
scale = new ScaleBias(fModule, 0.9, -1.25);
break;
case NoiseFilter.Voronoi:
fModule = new Voronoi();
break;
}
fModule.Frequency = frequency;
fModule.Lacunarity = lacunarity;
fModule.OctaveCount = octaveCount;
fModule.Offset = offset;
fModule.Offset = offset;
fModule.Gain = gain;
fModule.Primitive3D = (IModule3D)pModule;
IModule3D finalModule;
if (scale == null)
{
finalModule = (IModule3D)fModule;
}
else
{
finalModule = scale;
}
NoiseMapBuilder projection;
switch (_cbxProjection.Text)
{
case "Spherical":
projection = new NoiseMapBuilderSphere();
((NoiseMapBuilderSphere)projection).SetBounds(-90, 90, -180, 180); // degrees
break;
case "Cylindrical":
projection = new NoiseMapBuilderCylinder();
((NoiseMapBuilderCylinder)projection).SetBounds(-180, 180, -10, 10);
break;
case "Planar":
default:
double bound = 2;
projection = new NoiseMapBuilderPlane(bound, bound * 2, bound, bound * 2, seamless);
//projection = new NoiseMapBuilderPlane(-bound, bound, -bound, bound, seamless);
//projection = new NoiseMapBuilderPlane(0, bound, 0, bound, seamless);
break;
}
int width = 0;
int height = 0;
switch (_cbxSize.Text)
{
case "256 x 256":
width = 256;
height = 256;
break;
case "512 x 512":
width = 512;
height = 512;
break;
case "1024 x 1024":
width = 1024;
height = 1024;
break;
case "256 x 128":
width = 256;
height = 128;
break;
case "512 x 256":
width = 512;
height = 256;
break;
case "1024 x 512":
width = 1024;
height = 512;
break;
case "2048 x 1024":
width = 2048;
height = 1024;
break;
default:
case "128 x 128":
width = 128;
height = 128;
break;
}
// ------------------------------------------------------------------------------------------------
// 0 - Initializing
_prbarRenderProgression.Visible = true;
_lblProgressPercent.Visible = true;
_prbarRenderProgression.Value = 0;
;
_lblProgressPercent.Text = "";
_lblLog.Text = String.Format("Create a {0} image with a {1} projection\n", _cbxSize.Text,
_cbxProjection.Text);
var watchDog = new Stopwatch();
TimeSpan ts;
double elaspedTime = 0;
//
// ------------------------------------------------------------------------------------------------
// 1 - Build the noise map
watchDog.Reset();
_prbarRenderProgression.Value = 0;
_lblLog.Text += "Building noise map ... ";
var noiseMap = new NoiseMap();
/*
* // ShapeFilter test
* Bitmap bmpShape = new Bitmap("smileyShape.bmp");
* BitmapAdaptater bmShapeAdaptater = new BitmapAdaptater(bmpShape);
*
* ShapeFilter shapeFilter = new ShapeFilter();
* shapeFilter.Shape = bmShapeAdaptater;
*
* projection.Filter = shapeFilter;
*/
projection.SetSize(width, height);
projection.SourceModule = finalModule;
projection.NoiseMap = noiseMap;
projection.CallBack = delegate(int line)
{
line++;
watchDog.Stop();
//Process message
Application.DoEvents();
_prbarRenderProgression.Value = (line * 100 / height);
_lblProgressPercent.Text = String.Format("{0} % - {1} line(s)", _prbarRenderProgression.Value, line);
watchDog.Start();
};
watchDog.Start();
projection.Build();
watchDog.Stop();
ts = watchDog.Elapsed;
elaspedTime += ts.TotalMilliseconds;
_lblLog.Text += String.Format("{0:00}:{1:00} {2:00},{3:0000}\n",
ts.Hours, ts.Minutes,
ts.Seconds, ts.Milliseconds * 10
);
// ------------------------------------------------------------------------------------------------
// 2 - Render image
// Create a renderer, BitmapAdaptater create a System.Drawing.Bitmap on the fly
watchDog.Reset();
_prbarRenderProgression.Value = 0;
_lblLog.Text += "Rendering image ... ";
var renderer = new ImageRenderer();
renderer.NoiseMap = noiseMap;
renderer.Gradient = gradient;
renderer.LightBrightness = 2;
renderer.LightContrast = 8;
//renderer.LightEnabled = true;
// Libnoise image struct strategy
//Graphics.Tools.Noise.Renderer.Image image = new Graphics.Tools.Noise.Renderer.Image();
//renderer.Image = image;
// Dotnet Bitmap Strategy
var bmpAdaptater = new BitmapAdaptater(width, height);
renderer.Image = bmpAdaptater;
renderer.CallBack = delegate(int line)
{
line++;
watchDog.Stop();
//Process message
Application.DoEvents();
_prbarRenderProgression.Value = (line * 100 / height);
_lblProgressPercent.Text = String.Format("{0} % - {1} line(s)", _prbarRenderProgression.Value, line);
watchDog.Start();
};
// Render the texture.
watchDog.Start();
renderer.Render();
watchDog.Stop();
ts = watchDog.Elapsed;
elaspedTime += ts.TotalMilliseconds;
_lblLog.Text += String.Format("{0:00}:{1:00} {2:00},{3:0000}\n",
ts.Hours, ts.Minutes,
ts.Seconds, ts.Milliseconds * 10
);
//----------------------------------------
// Normalmap rendering test
//
/*
* BitmapAdaptater nmapAdaptater = new BitmapAdaptater(width, height);
* NormalMapRenderer nmap = new NormalMapRenderer();
* nmap.Image = nmapAdaptater;
* nmap.BumpHeight = 30.0;
* nmap.NoiseMap = noiseMap;
* nmap.Render();
* nmapAdaptater.Bitmap.Save("normalMap.png", ImageFormat.Png);
*/
//----------------------------------------
/*
* Heightmap8 heightmap8 = new Heightmap8();
* Heightmap8Renderer heightmapRenderer = new Heightmap8Renderer();
* heightmapRenderer.Heightmap = heightmap8;
*/
/*
* Heightmap16 heightmap16 = new Heightmap16();
* Heightmap16Renderer heightmapRenderer = new Heightmap16Renderer();
* heightmapRenderer.Heightmap = heightmap16;
*/
/*
* Heightmap32 heightmap32 = new Heightmap32();
* Heightmap32Renderer heightmapRenderer = new Heightmap32Renderer();
* heightmapRenderer.Heightmap = heightmap32;
*/
/*
* heightmapRenderer.NoiseMap = noiseMap;
* heightmapRenderer.ExactFit();
* heightmapRenderer.Render();
*/
/*
* Heightmap16RawWriter rawWriter = new Heightmap16RawWriter();
* rawWriter.Heightmap = heightmap16;
* rawWriter.Filename = "heightmap16.raw";
* rawWriter.WriteFile();
*/
// ------------------------------------------------------------------------------------------------
// 3 - Painting
// Save the file
//bmpAdaptater.Bitmap.Save("rendered.png",ImageFormat.Png);
_imageRendered.Width = width;
_imageRendered.Height = height;
//_imageRendered.Image = _bitmap;
_imageRendered.Image = bmpAdaptater.Bitmap;
if (_imageRendered.Width > _panImageViewport.Width)
{
_imageRendered.Left = 0;
}
else
{
_imageRendered.Left = (_panImageViewport.Width - _imageRendered.Width) / 2;
}
if (_imageRendered.Height > _panImageViewport.Height)
{
_imageRendered.Top = 0;
}
else
{
_imageRendered.Top = (_panImageViewport.Height - _imageRendered.Height) / 2;
}
if (_imageRendered.Width > _panImageViewport.Width || _imageRendered.Height > _panImageViewport.Height)
{
_imageRendered.Anchor = (AnchorStyles.Left | AnchorStyles.Top);
_panImageViewport.AutoScroll = true;
}
else
{
_panImageViewport.AutoScroll = false;
}
// ----------------------------------------------------------------
ts = TimeSpan.FromMilliseconds(elaspedTime);
// Format and display the TimeSpan value.
_lblLog.Text += String.Format("Duration : {0:00}:{1:00} {2:00},{3:0000}\n",
ts.Hours, ts.Minutes,
ts.Seconds, ts.Milliseconds * 10
);
EnabledInterface(true);
_prbarRenderProgression.Value = 0;
_lblProgressPercent.Text = "";
_prbarRenderProgression.Visible = false;
_lblProgressPercent.Visible = false;
}
public NoiseMap Render()
{
PrimitiveModule primitive = null;
switch (this.Primitive)
{
case NoisePrimitive.Constant:
primitive = new Constant(this.Offset);
break;
case NoisePrimitive.Cylinders:
primitive = new Cylinders(this.Offset);
this.Seamless = false;
break;
case NoisePrimitive.Spheres:
primitive = new Spheres(this.Offset);
this.Seamless = false;
break;
case NoisePrimitive.BevinsGradient: primitive = new BevinsGradient(); break;
case NoisePrimitive.BevinsValue: primitive = new BevinsValue(); break;
case NoisePrimitive.ImprovedPerlin: primitive = new ImprovedPerlin(); break;
case NoisePrimitive.SimplexPerlin: primitive = new SimplexPerlin(); break;
}
primitive.Seed = this.Seed;
primitive.Quality = this.NoiseQuality;
FilterModule filter = null;
ScaleBias scale = null;
switch (this.Filter)
{
case NoiseFilter.Pipe: filter = new Pipe(); break;
case NoiseFilter.SumFractal: filter = new SumFractal(); break;
case NoiseFilter.SinFractal: filter = new SinFractal(); break;
case NoiseFilter.MultiFractal:
filter = new MultiFractal();
// Used to show the difference with our gradient color (-1 + 1)
scale = new ScaleBias(filter, 1f, -0.8f);
break;
case NoiseFilter.Billow:
filter = new Billow();
((Billow)filter).Bias = -0.2f;
((Billow)filter).Scale = 2f;
break;
case NoiseFilter.HeterogeneousMultiFractal:
filter = new HeterogeneousMultiFractal();
// Used to show the difference with our gradient color (-1 + 1)
scale = new ScaleBias(filter, -1f, 2f);
break;
case NoiseFilter.HybridMultiFractal:
filter = new HybridMultiFractal();
// Used to show the difference with our gradient color (-1 + 1)
scale = new ScaleBias(filter, 0.7f, -2f);
break;
case NoiseFilter.RidgedMultiFractal:
filter = new RidgedMultiFractal();
// Used to show the difference with our gradient color (-1 + 1)
scale = new ScaleBias(filter, 0.9f, -1.25f);
break;
case NoiseFilter.Voronoi: filter = new Voronoi(); break;
}
filter.Frequency = this.Frequency;
filter.Lacunarity = this.Lacunarity;
filter.OctaveCount = this.OctaveCount;
filter.Offset = this.Offset;
filter.Gain = this.Gain;
filter.Primitive3D = (IModule3D)primitive;
IModule3D final = scale ?? (IModule3D)filter;
NoiseMapBuilder projection;
switch (this.Projection)
{
case NoiseMapProjection.Spherical:
projection = new NoiseMapBuilderSphere();
((NoiseMapBuilderSphere)projection).SetBounds(-90f, 90f, -180f, 180f); // degrees
break;
case NoiseMapProjection.Cylindrical:
projection = new NoiseMapBuilderCylinder();
((NoiseMapBuilderCylinder)projection).SetBounds(-180f, 180f, -10f, 10f);
break;
case NoiseMapProjection.Planar:
default:
float bound = 2f;
projection = new NoiseMapBuilderPlane(bound, bound * 2, bound, bound * 2, this.Seamless);
break;
}
NoiseMap noise = new NoiseMap();
projection.SetSize(this.Width, this.Height);
projection.SourceModule = final;
projection.NoiseMap = noise;
projection.Build();
float min, max;
noise.MinMax(out min, out max);
this.Map = noise;
return(noise);
}
