public TerrainModule(int seed)
{
_seed = seed;
RidgedMultifractal mountains = new RidgedMultifractal();
mountains.Seed = seed;
mountains.Frequency = 0.5;
Billow hills = new Billow();
hills.Seed = seed;
hills.Frequency = 2;
ScaleBiasOutput scaleHill = new ScaleBiasOutput(hills);
scaleHill.Scale = 0.04;
scaleHill.Bias = 0;
ScaleBiasOutput scaleMountain = new ScaleBiasOutput(mountains);
scaleMountain.Scale = 1.5;
Perlin selectorControl = new Perlin();
selectorControl.Seed = seed;
selectorControl.Frequency = 0.10;
selectorControl.Persistence = 0.25;
Select selector = new Select(selectorControl, scaleMountain, scaleHill);
selector.SetBounds(0, 1000);
selector.EdgeFalloff = 0.5;
_module = selector;
}
public virtual void SetNoiseGenerator(LibNoise.RidgedMultifractal Generator)
{
Generator.Seed = Random.Range(int.MinValue, int.MaxValue);
Generator.OctaveCount = 5;
Generator.NoiseQuality = LibNoise.NoiseQuality.High;
Generator.Lacunarity = 1.4f;
Generator.Frequency = 6f;
}
private static float[] GeneratePlanetHeightmapData(PlanetArchetypes.Archetype blueprint)
{
float[] height = new float[textureSize * textureSize];
LibNoise.RidgedMultifractal Generator = new LibNoise.RidgedMultifractal();
blueprint.SetNoiseGenerator(Generator);
float correctMin = float.MaxValue;
float correctMax = float.MinValue;
float currValue;
for (int y = 0; y < textureSize; y++)
{
for (int x = 0; x < textureSize; x++)
{
currValue = (float)Generator.GetValue((float)x / textureSize, (float)y / textureSize, 1);
if (currValue < correctMin)
{
correctMin = currValue;
}
if (currValue > correctMax)
{
correctMax = currValue;
}
height[x + y * textureSize] = currValue;
}
}
float oldValue;
for (int y = 0; y < textureSize; y++)
{
for (int x = 0; x < textureSize; x++)
{
float mult = (float)x / textureSize;
oldValue = height[x + y * textureSize];
currValue = (float)Generator.GetValue(((float)x / textureSize) + 1, (float)y / textureSize, 1);
float yMult = (float)y / textureSize;
yMult = Mathf.Clamp01(11.11f * Mathf.Pow(yMult, 2) - 11.11f * yMult + 1);
height[x + y * textureSize] = Mathf.Lerp(currValue, oldValue, mult);
height[x + y * textureSize] = Mathf.Lerp(height[x + y * textureSize], 0, yMult);
}
}
for (int y = 0; y < textureSize; y++)
{
for (int x = 0; x < textureSize; x++)
{
height[x + y * textureSize] = (height[x + y * textureSize] - correctMin) / (correctMax - correctMin);
}
}
return(height);
}
public TerrainModule(int seed)
{
_seed = seed;
Perlin perlin_mountains = new Perlin();
perlin_mountains.Seed = seed;
perlin_mountains.Frequency = 0.5;
perlin_mountains.NoiseQuality = NoiseQuality.High;
//ScaleBiasOutput scalePerlinMountain = new ScaleBiasOutput(perlin_mountains);
//scalePerlinMountain.Scale = 1;
mountains = new RidgedMultifractal();
mountains.Seed = 0;// seed;
mountains.Frequency = 0.5;
mountains.Lacunarity = 2;
mountains.NoiseQuality = NoiseQuality.High;
//scaleMountain = new ScaleBiasOutput(mountains);
//scaleMountain.Scale = 0.5;
//Add blendMountains = new Add(perlin_mountains, scaleMountain);
double scale = 2;
//inputScaledMountains = new ScaleInput(perlin_mountains, scale, 1, scale);
/*Billow hills = new Billow();
* hills.Seed = seed;
* hills.Frequency = 2;
*
* ScaleBiasOutput scaleHill = new ScaleBiasOutput(hills);
* scaleHill.Scale = 0.04;
* scaleHill.Bias = 0;*/
//Perlin selectorControl = new Perlin();
//selectorControl.Seed = seed;
//selectorControl.Frequency = 0.10;
//selectorControl.Persistence = 0.25;
//Select selector = new Select(selectorControl, scaleMountain, scaleHill);
//selector.SetBounds(0, 1000);
//selector.EdgeFalloff = 0.5;
//scaleSelector = new ScaleOutput(inputScaledMountains, SmoothVoxelSettings.amplitude);
_module = perlin_mountains;//new BiasOutput(scaleSelector, SmoothVoxelSettings.groundOffset);
}
public RidgedMultifractalModifier(int seed, int octave, float freq, float lacun, bool addOrErode)
{
_generator = new RidgedMultifractal();
_generator.NoiseQuality = NoiseQuality.Standard;
_seed = seed;
_octave = octave;
_frequency = freq;
_lacunarity = lacun;
AddOrErode = addOrErode;
}
public GenStandard()
{
random = new Random();
perlin = new Perlin();
perlin.Frequency = 0.009;
perlin.Persistence = 0.3;
perlin.Seed = (int)( DateTime.Now.Ticks & 0xffffffff );
perlin2 = new Perlin();
perlin2.Frequency = 0.007;
perlin2.Persistence = 0.6;
perlin2.Lacunarity = 0.1;
perlin2.Seed = perlin.Seed - 7;
caves = new RidgedMultifractal();
caves.Frequency = 0.0089;
caves.Seed = perlin2.Seed + 99;
voronoi = new Voronoi();
voronoi.Frequency = 0.008;
voronoi.Seed = perlin.Seed + 2;
desertSelector = new Perlin();
desertSelector.Frequency = 0.01;
desertSelector.Persistence = 0.4;
desertSelector.Lacunarity = 0.14;
desertSelector.Seed = perlin.Seed + 245;
mountains = new RidgedMultifractal();
mountains.Frequency = 0.021;
mountains.NoiseQuality = NoiseQuality.Low;
mountains.Seed = perlin.Seed + 41;
mountains2 = new Perlin();
mountains2.Frequency = 0.025;
mountains2.NoiseQuality = NoiseQuality.Low;
mountains2.Seed = perlin.Seed + 41;
}
private void button1_Click(object sender, EventArgs e)
{
panel2.Enabled = false;
NoiseQuality quality = NoiseQuality.Standard;
if (radiolow.Checked)
quality = NoiseQuality.Low;
if (radiostandard.Checked)
quality = NoiseQuality.Standard;
if (radiohigh.Checked)
quality = NoiseQuality.High;
int seed = 0;
try
{
seed = Convert.ToInt32(textBox1.Text);
}
catch
{
seed = 0;
textBox1.Text = "0";
}
int octaves = 0;
try
{
octaves = Convert.ToInt32(textBox2.Text);
}
catch
{
octaves = 6;
textBox2.Text = "6";
}
if (octaves > 30) octaves = 30;
double frequency = 0;
try
{
frequency = Convert.ToDouble(textBox3.Text);
}
catch
{
frequency = 0.05;
textBox3.Text = "0.05";
}
double lacunarity = 0;
try
{
lacunarity = Convert.ToDouble(textBox4.Text);
}
catch
{
lacunarity = 2.0;
textBox4.Text = "2.0";
}
double persistence = 0;
try
{
persistence = Convert.ToDouble(textBox5.Text);
}
catch
{
persistence = 0.5;
textBox5.Text = "0.5";
}
bool mapToSphere = false;
IModule module;
switch (listBox1.SelectedItem.ToString())
{
case "Slow Perlin":
module = new Perlin();
((Perlin)module).Frequency = frequency;
((Perlin)module).NoiseQuality = quality;
((Perlin)module).Seed = seed;
((Perlin)module).OctaveCount = octaves;
((Perlin)module).Lacunarity = lacunarity;
((Perlin)module).Persistence = persistence;
break;
case "Fast Perlin":
module = new FastNoise();
((FastNoise)module).Frequency = frequency;
((FastNoise)module).NoiseQuality = quality;
((FastNoise)module).Seed = seed;
((FastNoise)module).OctaveCount = octaves;
((FastNoise)module).Lacunarity = lacunarity;
((FastNoise)module).Persistence = persistence;
break;
case "Slow Billow":
module = new Billow();
((Billow)module).Frequency = frequency;
((Billow)module).NoiseQuality = quality;
((Billow)module).Seed = seed;
((Billow)module).OctaveCount = octaves;
((Billow)module).Lacunarity = lacunarity;
((Billow)module).Persistence = persistence;
break;
case "Fast Billow":
module = new FastBillow();
((FastBillow)module).Frequency = frequency;
((FastBillow)module).NoiseQuality = quality;
((FastBillow)module).Seed = seed;
((FastBillow)module).OctaveCount = octaves;
((FastBillow)module).Lacunarity = lacunarity;
((FastBillow)module).Persistence = persistence;
break;
case "Slow Ridged Multifractal":
module = new RidgedMultifractal();
((RidgedMultifractal)module).Frequency = frequency;
((RidgedMultifractal)module).NoiseQuality = quality;
((RidgedMultifractal)module).Seed = seed;
((RidgedMultifractal)module).OctaveCount = octaves;
((RidgedMultifractal)module).Lacunarity = lacunarity;
break;
case "Fast Ridged Multifractal":
module = new FastRidgedMultifractal();
((FastRidgedMultifractal)module).Frequency = frequency;
((FastRidgedMultifractal)module).NoiseQuality = quality;
((FastRidgedMultifractal)module).Seed = seed;
((FastRidgedMultifractal)module).OctaveCount = octaves;
((FastRidgedMultifractal)module).Lacunarity = lacunarity;
break;
case "Slow Combined":
Billow billow = new Billow();
billow.Frequency = frequency;
billow.NoiseQuality = quality;
billow.Seed = seed;
billow.OctaveCount = octaves;
billow.Lacunarity = lacunarity;
billow.Persistence = persistence;
ScaleBiasOutput scaledBillow = new ScaleBiasOutput(billow);
scaledBillow.Bias = -0.75;
scaledBillow.Scale = 0.125;
RidgedMultifractal ridged = new RidgedMultifractal();
ridged.Frequency = frequency/2.0;
ridged.NoiseQuality = quality;
ridged.Seed = seed;
ridged.OctaveCount = octaves;
ridged.Lacunarity = lacunarity;
Perlin perlin = new Perlin();
perlin.Frequency = frequency/10.0;
perlin.NoiseQuality = quality;
perlin.Seed = seed;
perlin.OctaveCount = octaves;
perlin.Lacunarity = lacunarity;
perlin.Persistence = persistence;
Select selector = new Select(perlin, ridged, scaledBillow);
selector.SetBounds(0, 1000);
selector.EdgeFalloff = 0.5;
module = selector;
break;
case "Fast Combined":
FastBillow fastbillow = new FastBillow();
fastbillow.Frequency = frequency;
fastbillow.NoiseQuality = quality;
fastbillow.Seed = seed;
fastbillow.OctaveCount = octaves;
fastbillow.Lacunarity = lacunarity;
fastbillow.Persistence = persistence;
ScaleBiasOutput fastscaledBillow = new ScaleBiasOutput(fastbillow);
fastscaledBillow.Bias = -0.75;
fastscaledBillow.Scale = 0.125;
FastRidgedMultifractal fastridged = new FastRidgedMultifractal();
fastridged.Frequency = frequency/2.0;
fastridged.NoiseQuality = quality;
fastridged.Seed = seed;
fastridged.OctaveCount = octaves;
fastridged.Lacunarity = lacunarity;
FastNoise fastperlin = new FastNoise();
fastperlin.Frequency = frequency/10.0;
fastperlin.NoiseQuality = quality;
fastperlin.Seed = seed;
fastperlin.OctaveCount = octaves;
fastperlin.Lacunarity = lacunarity;
fastperlin.Persistence = persistence;
Select fastselector = new Select(fastperlin, fastridged, fastscaledBillow);
fastselector.SetBounds(0, 1000);
fastselector.EdgeFalloff = 0.5;
module = fastselector;
break;
case "Voronoi":
module = new Voronoi();
((Voronoi)module).Frequency = frequency;
break;
case "Slow Planet":
mapToSphere = true;
Perlin slowPlanetContinents = new Perlin();
slowPlanetContinents.Frequency = 1.5;
Billow slowPlanetLowlands = new Billow();
slowPlanetLowlands.Frequency = 4;
LibNoise.Modifiers.ScaleBiasOutput slowPlanetLowlandsScaled = new ScaleBiasOutput(slowPlanetLowlands);
slowPlanetLowlandsScaled.Scale = 0.2;
slowPlanetLowlandsScaled.Bias = 0.5;
RidgedMultifractal slowPlanetMountainsBase = new RidgedMultifractal();
slowPlanetMountainsBase.Frequency = 4;
ScaleBiasOutput slowPlanetMountainsScaled = new ScaleBiasOutput(slowPlanetMountainsBase);
slowPlanetMountainsScaled.Scale = 0.4;
slowPlanetMountainsScaled.Bias = 0.85;
FastTurbulence slowPlanetMountains = new FastTurbulence(slowPlanetMountainsScaled);
slowPlanetMountains.Power = 0.1;
slowPlanetMountains.Frequency = 50;
Perlin slowPlanetLandFilter = new Perlin();
slowPlanetLandFilter.Frequency = 6;
Select slowPlanetLand = new Select(slowPlanetLandFilter, slowPlanetLowlandsScaled, slowPlanetMountains);
slowPlanetLand.SetBounds(0, 1000);
slowPlanetLand.EdgeFalloff = 0.5;
Billow slowPlanetOceanBase = new Billow();
slowPlanetOceanBase.Frequency = 15;
ScaleOutput slowPlanetOcean = new ScaleOutput(slowPlanetOceanBase, 0.1);
Select slowPlanetFinal = new Select(slowPlanetContinents, slowPlanetOcean, slowPlanetLand);
slowPlanetFinal.SetBounds(0, 1000);
slowPlanetFinal.EdgeFalloff = 0.5;
module = slowPlanetFinal;
break;
case "Fast Planet":
mapToSphere = true;
FastNoise fastPlanetContinents = new FastNoise(seed);
fastPlanetContinents.Frequency = 1.5;
FastBillow fastPlanetLowlands = new FastBillow();
fastPlanetLowlands.Frequency = 4;
LibNoise.Modifiers.ScaleBiasOutput fastPlanetLowlandsScaled = new ScaleBiasOutput(fastPlanetLowlands);
fastPlanetLowlandsScaled.Scale = 0.2;
fastPlanetLowlandsScaled.Bias = 0.5;
FastRidgedMultifractal fastPlanetMountainsBase = new FastRidgedMultifractal(seed);
fastPlanetMountainsBase.Frequency = 4;
ScaleBiasOutput fastPlanetMountainsScaled = new ScaleBiasOutput(fastPlanetMountainsBase);
fastPlanetMountainsScaled.Scale = 0.4;
fastPlanetMountainsScaled.Bias = 0.85;
FastTurbulence fastPlanetMountains = new FastTurbulence(fastPlanetMountainsScaled);
fastPlanetMountains.Power = 0.1;
fastPlanetMountains.Frequency = 50;
FastNoise fastPlanetLandFilter = new FastNoise(seed+1);
fastPlanetLandFilter.Frequency = 6;
Select fastPlanetLand = new Select(fastPlanetLandFilter, fastPlanetLowlandsScaled, fastPlanetMountains);
fastPlanetLand.SetBounds(0, 1000);
fastPlanetLand.EdgeFalloff = 0.5;
FastBillow fastPlanetOceanBase = new FastBillow(seed);
fastPlanetOceanBase.Frequency = 15;
ScaleOutput fastPlanetOcean = new ScaleOutput(fastPlanetOceanBase, 0.1);
Select fastPlanetFinal = new Select(fastPlanetContinents, fastPlanetOcean, fastPlanetLand);
fastPlanetFinal.SetBounds(0, 1000);
fastPlanetFinal.EdgeFalloff = 0.5;
module = fastPlanetFinal;
break;
default:
module = new Constant(1.0);
break;
}
System.Diagnostics.Stopwatch stopWatch = new System.Diagnostics.Stopwatch();
stopWatch.Start();
LibNoise.Models.Sphere sphere = new LibNoise.Models.Sphere(module);
for (int x = 0; x < pictureBox1.ClientSize.Width - 1; x++)
for (int y = 0; y < pictureBox1.ClientSize.Height - 1; y++)
{
double value;
if(mapToSphere)
{
int offsetX = -(x-512);
int offsetY = -(y-512);
double longitude = offsetY/5.6888888888;
if(longitude > 90.0) longitude = 90.0;
if(longitude < -90.0) longitude = -90.0;
double latitude = offsetX/2.844444444;
if(latitude > 180.0) latitude = 180.0;
if(latitude < -190.0) latitude = -180.0;
value = sphere.GetValue(longitude, latitude);
}
else
value = (module.GetValue(x, y, 10) + 1) / 2.0;
if (mapToSphere)
{
if (value < 0) value = 0;
if (value > 1.0) value = 1.0;
int index = (int)(value * earthLookupTable.Length);
if (index >= earthLookupTable.Length) index = earthLookupTable.Length - 1;
colors[x, y] = earthLookupTable[index];
}
else
{
if (value < 0) value = 0;
if (value > 1.0) value = 1.0;
byte intensity = (byte)(value * 255.0);
colors[x, y] = Color.FromArgb(255, intensity, intensity, intensity);
}
}
stopWatch.Stop();
label2.Text = "Generation time for a 1024x1024 image, not including rendering: " + stopWatch.Elapsed.TotalMilliseconds + " ms";
for (int x = 0; x < pictureBox1.ClientSize.Width - 1; x++)
for (int y = 0; y < pictureBox1.ClientSize.Height - 1; y++)
bitmap.SetPixel(x, y, colors[x, y]);
pictureBox1.Image = bitmap;
panel2.Enabled = true;
}
public override void SetNoiseGenerator(LibNoise.RidgedMultifractal Generator)
{
base.SetNoiseGenerator(Generator);
Generator.Lacunarity = 2f;
}
public override void SetNoiseGenerator(LibNoise.RidgedMultifractal Generator)
{
base.SetNoiseGenerator(Generator);
Generator.Lacunarity = 1.8f;
Generator.Frequency = 4f;
}
private void InitGenerators()
{
//prepare noise generators
perlinLeft = new Perlin() { Frequency = RiverShapeFrequency, NoiseQuality = NoiseQuality.Standard, Seed = Seed + 1, OctaveCount = 6, Lacunarity = RiverShapeLacunarity, Persistence = RiverShapePersistence };
perlinRight = new Perlin() { Frequency = RiverShapeFrequency, NoiseQuality = NoiseQuality.Standard, Seed = Seed + 2, OctaveCount = 6, Lacunarity = RiverShapeLacunarity, Persistence = RiverShapePersistence };
perlinLeftWidth = new Perlin() { Frequency = RiverWidthFrequency, NoiseQuality = NoiseQuality.Standard, Seed = Seed + 3, OctaveCount = 6, Lacunarity = RiverWidthLacunarity, Persistence = RiverWidthPersistence };
perlinRightWidth = new Perlin() { Frequency = RiverWidthFrequency, NoiseQuality = NoiseQuality.Standard, Seed = Seed + 4, OctaveCount = 6, Lacunarity = RiverWidthLacunarity, Persistence = RiverWidthPersistence };
Perlin terrainPerlin = new Perlin() { Frequency = TerrainPerlinFrequency, NoiseQuality = NoiseQuality.Standard, Seed = Seed, OctaveCount = 6, Lacunarity = TerrainPerlinLacunarity, Persistence = TerrainPerlinPersistence };
RidgedMultifractal terrainRMF = new RidgedMultifractal() { Frequency = TerrainRMFFrequency, NoiseQuality = NoiseQuality.High, Seed = Seed - 1, OctaveCount = 6, Lacunarity = TerrainRMFLacunarity };
ScaleOutput scaledRMF = new ScaleOutput(terrainRMF, TerrainRMFScale);
Add terrainAdd = new Add(terrainPerlin, new BiasOutput(scaledRMF, TerrainRMFBias));
terrainScaledModule = new ScaleOutput(terrainAdd, HeightScale);
biomesPerlin = new Perlin() { Frequency = BiomesFrequency, NoiseQuality = NoiseQuality.Low, Seed = Seed - 10, OctaveCount = 6, Lacunarity = BiomesLacunarity, Persistence = BiomesPersistence };
}
private static void Run(int octaves, double persistence, double frequency, double lacunarity)
{
string fileName = string.Format("O{3}_P{0:N3}_F{1:N3}.png", persistence, frequency, lacunarity, octaves);
Billow billow = new Billow();
billow.Frequency = frequency;
billow.NoiseQuality = NoiseQuality.High;
billow.Seed = 0;
billow.OctaveCount = octaves;
billow.Lacunarity = lacunarity;
billow.Persistence = persistence;
ScaleBiasOutput scaledBillow = new ScaleBiasOutput(billow);
scaledBillow.Bias = -0.75;
scaledBillow.Scale = 0.125;
RidgedMultifractal ridged = new RidgedMultifractal();
ridged.Frequency = frequency;
ridged.NoiseQuality = NoiseQuality.High;
ridged.Seed = 0;
ridged.OctaveCount = octaves;
ridged.Lacunarity = lacunarity;
Perlin perlin = new Perlin();
perlin.Frequency = frequency;
perlin.NoiseQuality = NoiseQuality.High;
perlin.Seed = 0;
perlin.OctaveCount = octaves;
perlin.Lacunarity = lacunarity;
perlin.Persistence = persistence;
Select selector = new Select(perlin, ridged, scaledBillow);
selector.SetBounds(0, 1000);
selector.EdgeFalloff = 0.5;
IModule module = selector;
//RidgedMultifractal module = new RidgedMultifractal();
//((RidgedMultifractal)module).Frequency = frequency;
//((RidgedMultifractal)module).NoiseQuality = NoiseQuality.High;
//((RidgedMultifractal)module).Seed = 0;
//((RidgedMultifractal)module).OctaveCount = octaves;
//((RidgedMultifractal)module).Lacunarity = lacunarity;
//((RidgedMultifractal)module).Persistence = persistence;
Pen blackPen = new Pen(Color.Black, 1);
Font arialFont = new Font("Arial", 8);
double min = double.MaxValue;
double max = double.MinValue;
double avg = 0;
using (Bitmap b = new Bitmap(300, 2500))
{
using (Graphics g = Graphics.FromImage(b))
{
g.Clear(Color.White);
for (int i = 0; i < 5000; i++)
{
var value = module.GetValue(i, 0, 0);
avg += value;
if (value < min)
{
min = value;
}
if (value > max)
{
max = value;
}
g.DrawRectangle(blackPen, 150 + (int)System.Math.Round(value * 100), i / 2, 1, 1);
}
avg /= 5000;
g.DrawString(string.Format("Samples: {0:N3}\r\nMin: {1:N3}\r\nMax: {2:N3}\r\nAverage: {3:N3}", 5000, min, max, avg), arialFont, Brushes.DarkBlue, 5f, 60f);
g.DrawString(string.Format("Frequency: {0:N3}\r\nPersistence: {1:N3}\r\nLacunarity: {2:N3}\r\nOctaves: {3:N3}", frequency, persistence, lacunarity, octaves), arialFont, Brushes.DarkGreen, 5f, 5f);
}
b.Save(@"Combined\" + fileName, ImageFormat.Png);
}
}
private static float[] GeneratePlanetHeightmapData(PlanetArchetypes.Archetype blueprint)
{
float[] height = new float[textureSize * textureSize];
LibNoise.RidgedMultifractal Generator = new LibNoise.RidgedMultifractal();
blueprint.SetNoiseGenerator(Generator);
float correctMin = float.MaxValue;
float correctMax = float.MinValue;
float currValue;
for (int y = 0; y < textureSize; y++) {
for (int x = 0; x < textureSize; x++) {
currValue = (float)Generator.GetValue((float)x / textureSize, (float)y / textureSize, 1);
if (currValue < correctMin) correctMin = currValue;
if (currValue > correctMax) correctMax = currValue;
height[x + y * textureSize] = currValue;
}
}
float oldValue;
for (int y = 0; y < textureSize; y++) {
for (int x = 0; x < textureSize; x++) {
float mult = (float)x / textureSize;
oldValue = height[x + y * textureSize];
currValue = (float)Generator.GetValue(((float)x / textureSize) + 1, (float)y / textureSize, 1);
float yMult = (float)y / textureSize;
yMult = Mathf.Clamp01(11.11f * Mathf.Pow(yMult, 2) - 11.11f * yMult + 1);
height[x + y * textureSize] = Mathf.Lerp(currValue, oldValue, mult);
height[x + y * textureSize] = Mathf.Lerp(height[x + y * textureSize], 0, yMult);
}
}
for (int y = 0; y < textureSize; y++) {
for (int x = 0; x < textureSize; x++) {
height[x + y * textureSize] = (height[x + y * textureSize] - correctMin) / (correctMax - correctMin);
}
}
return height;
}
public virtual void AddSoil(long X, long Z, RidgedMultifractal CavernNoise, Perlin CaveNoise, double[,] hm,ref byte[,,] b, BiomeType[,] biomes, int WaterHeight, int depth, MapGenMaterials mats)
{
int YH = b.GetLength(1) - 2;
double xo = (double)(X * b.GetLength(0));
double zo = (double)(Z * b.GetLength(2));
for (int x = 0; x < b.GetLength(0); x++)
{
//Console.WriteLine();
for (int z = 0; z < b.GetLength(2); z++)
{
double hmY=(double)(System.Math.Min(hm[x, z],1d) * (b.GetLength(1) - 3));
bool HavePloppedGrass = false;
bool HaveTouchedSoil = false;
// Caves first
if (GenerateCaves)
{
for (int y = 0; y < b.GetLength(1); y++)
{
// If we're in rock, and CavernNoise value is under a threshold value calculated by height
// or CaveNoise value is over threshold value, and the block we're removing won't fall on us...
if (
b[x, y, z] == 1
&& (
((CavernNoise.GetValue(x + xo, y, z + zo) / 2) + 1) < Utils.Lerp(CavernThresholdMax, CavernThresholdMin, (((double)y / (hmY + 1))))
|| (Utils.FixLibnoiseOutput(CaveNoise.GetValue(x + xo, y, z + zo)) > CaveThreshold)
)
&& !(b[x, y, z] == 9 || b[x, y, z] == 8 || b[x, y, z] == 12 || b[x, y, z] == 13))
{
// Remove it
b[x, y, z] = 0;
}
}
}
for (int y = (int)b.GetLength(1) - 1; y > 0; y--)
{
byte supportBlock = b[x, y-1, z];
// Ensure there's going to be stuff holding us up.
if (b[x, y, z] == mats.Rock && supportBlock==mats.Rock)
{
HaveTouchedSoil = true;
if (y + depth >= YH)
continue;
byte ddt = b[x, y+depth, z];
switch (ddt)
{
case 0: // Air
case 8: // Water
case 9: // Water
BiomeType bt = biomes[x,z];
if (bt == BiomeType.Tundra)
{
b[x, y, z] = mats.Sand;
}
else
{
if (y - depth <= WaterHeight && GenerateWater)
{
if ((bt == BiomeType.Taiga || bt == BiomeType.TemperateForest || bt == BiomeType.Tundra) && y > WaterHeight)
{
b[x, y, z] = (HavePloppedGrass) ? mats.Soil : mats.Grass;
}
else
{
b[x, y, z] = mats.Sand;
}
}
else
b[x, y, z] = (HavePloppedGrass) ? mats.Soil : mats.Grass;
}
if (!HavePloppedGrass)
HavePloppedGrass = true;
break;
default:
y = 0;
break;
}
}
else if (b[x, y, z] == 0 && y <= WaterHeight && !HaveTouchedSoil && GenerateWater)
{
b[x, y, z] = mats.Water;
}
}
}
}
}
//keep libnoise namepsace prefix, as it's names are incredibly generic
private IModule GetGen(int seed)
{
IModule bas = null;
float frequency = target.frequency * 0.01f;
int octaveCount = Mathf.Max(target.octaveCount, 1);
float lacunarity = target.lacunarity;
switch (target.noiseType) {
case NoiseType.Billow:
var b = new Billow
{Frequency = frequency, OctaveCount = octaveCount, Lacunarity = lacunarity, Seed = seed};
bas = b;
break;
case NoiseType.Pink:
var p = new Perlin
{Frequency = frequency, OctaveCount = octaveCount, Lacunarity = lacunarity, Seed = seed};
bas = p;
break;
case NoiseType.Ridged:
var r = new RidgedMultifractal {
Frequency = frequency,
OctaveCount = target.octaveCount,
Seed = seed,
Lacunarity = lacunarity,
};
bas = r;
break;
case NoiseType.Voronoi:
var v = new Voronoi {Frequency = target.frequency * 0.05f, Seed = seed};
bas = v;
break;
}
var t = new Turbulence(bas)
{Frequency = target.turbulenceFrequency, Power = target.turbulencePower, Seed = seed + 789};
return t;
}
public override bool Generate(long X, long Z, out double min, out double max)
{
min = 0;
max = (double)ChunkY;
if (treeNoise == null)
{
treeNoise = new Perlin();
treeNoise.Seed = (int)this.RandomSeed + 4;
treeNoise.Frequency = 1;
treeNoise.Persistence = 0.5;
treeNoise.OctaveCount = 1;
dungeonNoise = new Random((int)RandomSeed);
cavernNoise = new RidgedMultifractal();
cavernNoise.Seed = (int)this.RandomSeed + 5;
cavernNoise.Frequency = 0.025;
//caveNoise.Persistence = 0.25;
cavernNoise.OctaveCount = 1;
caveNoise = new Perlin();
caveNoise.Seed = (int)RandomSeed + 2;
caveNoise.Frequency = 0.03;
caveNoise.Lacunarity = 0.01;
caveNoise.Persistence = 0.01;
caveNoise.OctaveCount = 1;
}
if (_Generator == null)
{
return false;
}
string lockfile = Path.ChangeExtension(GetChunkFilename((int)X,(int)Z), "genlock");
if (!_Generator.NoPreservation)
{
if (File.Exists(lockfile))
return true;
}
else
{
if (File.Exists(lockfile))
File.Delete(lockfile);
}
//Console.WriteLine("GEN");
profGen.Start();
double[,] hm = _Generator.Generate(this, X, Z,out min, out max);
profGen.Stop();
if (hm == null)
{
Console.WriteLine("ERROR: hm==null");
return false;
}
// Erosion shit here.
Chunk _c = NewChunk(X, Z);
byte[, ,] blocks = _c.Blocks;
//Console.WriteLine("BIOME");
profBiome.Start();
BiomeType[,] biomes = _Generator.DetermineBiomes(ChunkScale, X, Z);
profBiome.Stop();
IMapHandler mh = this;
// These use the block array.
profVoxelize.Start();
HeightmapToVoxelspace(hm, ref blocks); AssertBottomBarrierIntegrity(blocks, "HeightmapToVoxelspace");
profVoxelize.Stop();
profSoil.Start();
_Generator.AddSoil(X,Z,cavernNoise, caveNoise, hm,ref blocks, biomes, 63, 6, _Generator.Materials); AssertBottomBarrierIntegrity(blocks, "AddSoil");
profSoil.Stop();
//profDgn.Start();
//_Generator.AddDungeons(ref blocks, ref mh, dungeonNoise, X, Z); AssertBottomBarrierIntegrity(blocks, "AddDungeons");
//profDgn.Stop();
profPrecip.Start();
_Generator.Precipitate(ref blocks, biomes, _Generator.Materials, X, Z); AssertBottomBarrierIntegrity(blocks, "Precipitate");
profPrecip.Stop();
profSave.Start();
mh.SaveAll();
_c.Blocks = blocks;
//_c.UpdateOverview();
SetChunk(_c);
File.WriteAllText(lockfile, _Generator.ToString());
// These use SetBlockAt() and company.
//Console.WriteLine("SAVE");
SaveAll();
profSave.Stop();
string profres = profBiome.ToString();
profres += "\r\n";
profres += profDgn.ToString();
profres += "\r\n";
profres += profErode.ToString();
profres += "\r\n";
profres += profGen.ToString();
profres += "\r\n";
profres += profPrecip.ToString();
profres += "\r\n";
profres += profSave.ToString();
profres += "\r\n";
profres += profSoil.ToString();
profres += "\r\n";
profres += profVoxelize.ToString();
File.WriteAllText("GEN_PROFILE.txt", profres);
return true;
}
public LibNoise.IModule GenerateNoise(TerrainArchetype curTerrain, LibNoise.IModule noiseCombine)
{
LibNoise.Perlin Temp = new LibNoise.Perlin();
tempnoise = Temp; noise = Temp; noise1 = Temp; noise2 = Temp; noiseCombine = Temp;
// Apply Noise Values
for (int i = 0; i < curTerrain.C_nNoiseList.Length; i++)
{
switch (curTerrain.C_nNoiseList[i])
{
case SetNoise.Perlin:
LibNoise.Perlin perlin = new LibNoise.Perlin();
perlin.Frequency = curTerrain.C_nFrequency;
perlin.Lacunarity = curTerrain.C_nLacunarity;
perlin.NoiseQuality = curTerrain.C_nQuality;
perlin.OctaveCount = curTerrain.C_nOctaves;
perlin.Persistence = curTerrain.C_nPersistence;
perlin.Seed = curTerrain.C_nSeed;
tempnoise = perlin;
break;
case SetNoise.Billow:
LibNoise.Billow billow = new LibNoise.Billow();
billow.Frequency = curTerrain.C_nFrequency;
billow.Lacunarity = curTerrain.C_nLacunarity;
billow.NoiseQuality = curTerrain.C_nQuality;
billow.OctaveCount = curTerrain.C_nOctaves;
billow.Persistence = curTerrain.C_nPersistence;
billow.Seed = curTerrain.C_nSeed;
tempnoise = billow;
break;
case SetNoise.MultiFractal:
LibNoise.RidgedMultifractal MultiFrac = new LibNoise.RidgedMultifractal();
MultiFrac.Frequency = curTerrain.C_nFrequency;
MultiFrac.Lacunarity = curTerrain.C_nLacunarity;
MultiFrac.NoiseQuality = curTerrain.C_nQuality;
MultiFrac.OctaveCount = curTerrain.C_nOctaves;
//MultiFrac.Persistence = Persistence;
MultiFrac.Seed = curTerrain.C_nSeed;
tempnoise = MultiFrac;
break;
}
switch (i)
{
case 0:
noise = tempnoise;
break;
case 1:
noise1 = tempnoise;
break;
case 2:
noise2 = tempnoise;
break;
}
}
//selector = new LibNoise.Modifiers.Select(noise,noise1,noise2);
LibNoise.IModule tempNoise1 = new LibNoise.Modifiers.Add(noise, noise1);
LibNoise.IModule tempNoise2 = new LibNoise.Modifiers.Add(tempNoise1, noise2);
noiseCombine = tempNoise2;
return(noiseCombine);
}
