public ITerrainChannel LoadStream(Stream s)
{
// The raw format doesn't contain any dimension information.
// Guess the square dimensions by using the length of the raw file.
double dimension = Math.Sqrt((double)(s.Length / 4));
// Regions are always multiples of 256.
int trimmedDimension = (int)dimension - ((int)dimension % (int)Constants.RegionSize);
if (trimmedDimension < Constants.RegionSize)
{
trimmedDimension = (int)Constants.RegionSize;
}
TerrainChannel retval = new TerrainChannel(trimmedDimension, trimmedDimension);
BinaryReader bs = new BinaryReader(s);
int y;
for (y = 0; y < retval.Height; y++)
{
int x;
for (x = 0; x < retval.Width; x++)
{
retval[x, y] = bs.ReadSingle();
}
}
bs.Close();
return(retval);
}
public void TerrainChannelTest()
{
TerrainChannel x = new TerrainChannel((int)Constants.RegionSize, (int)Constants.RegionSize);
Assert.That(x[0, 0] == 0.0, "Terrain not initialising correctly.");
x[0, 0] = 1.0;
Assert.That(x[0, 0] == 1.0, "Terrain not setting values correctly.");
x[0, 0] = 0;
x[0, 0] += 5.0;
x[0, 0] -= 1.0;
Assert.That(x[0, 0] == 4.0, "Terrain addition/subtraction error.");
x[0, 0] = 1.0;
float[] floatsExport = x.GetFloatsSerialised();
Assert.That(floatsExport[0] == 1.0f, "Export to float[] not working correctly.");
x[0, 0] = 1.0;
Assert.That(x.Tainted(0, 0), "Terrain channel tainting not working correctly.");
Assert.That(!x.Tainted(0, 0), "Terrain channel tainting not working correctly.");
TerrainChannel y = x.Copy();
Assert.That(!ReferenceEquals(x, y), "Terrain copy not duplicating correctly.");
Assert.That(!ReferenceEquals(x.GetDoubles(), y.GetDoubles()), "Terrain array not duplicating correctly.");
}
public ITerrainChannel LoadStream(Stream s)
{
// The raw format doesn't contain any dimension information.
// Guess the square dimensions by using the length of the raw file.
double dimension = Math.Sqrt((double)(s.Length / 13));
// Regions are always multiples of 256.
int trimmedDimension = (int)dimension - ((int)dimension % (int)Constants.RegionSize);
if (trimmedDimension < Constants.RegionSize)
{
trimmedDimension = (int)Constants.RegionSize;
}
TerrainChannel retval = new TerrainChannel(trimmedDimension, trimmedDimension);
using (BinaryReader bs = new BinaryReader(s))
{
int y;
for (y = 0; y < retval.Height; y++)
{
int x;
for (x = 0; x < retval.Width; x++)
{
retval[x, (retval.Height - 1) - y] = bs.ReadByte() * (bs.ReadByte() / 128.0f);
bs.ReadBytes(11); // Advance the stream to next bytes.
}
}
}
return(retval);
}
public void Generate(IScene scene, string[] s)
{
//string noiseGen = MainConsole.Instance.CmdPrompt("Noise generator (Perlin or Kosh)", "Perlin", new List<string>(new [] { "Perlin", "Kosh" }));
//if(noiseGen == "Perlin")
{
_noiseGen = m_perlinNoise;
PerlinNoiseSettings pns = new PerlinNoiseSettings();
pns.ResultX = scene.RegionInfo.RegionSizeX;
pns.ResultY = scene.RegionInfo.RegionSizeY;
pns.RandomSeed = int.Parse(MainConsole.Instance.Prompt("Random Seed (0-infinity)", "10"));
pns.CorsenessX = int.Parse(MainConsole.Instance.Prompt("Corseness (X direction) (2-1000)", "100"));
pns.CorsenessY = int.Parse(MainConsole.Instance.Prompt("Corseness (Y direction) (2-1000)", "100"));
pns.FlatEdges = MainConsole.Instance.Prompt("Flat Edges (recommended)", "true", new List <string>(new[] { "true", "false" })) == "true";
pns.Octaves = int.Parse(MainConsole.Instance.Prompt("Octaves (0-infinity)", "5"));
pns.Persistence = float.Parse(MainConsole.Instance.Prompt("Persistence", "0.8"));
_noiseGen.Settings = pns;
}
/*else
* {
* _noiseGen = m_kochLikeNoise;
* KochLikeNoiseSettings kns = new KochLikeNoiseSettings();
* kns.ResultX = MainConsole.Instance.Prompt.RegionInfo.RegionSizeX;
* kns.ResultY = MainConsole.Instance.Prompt.RegionInfo.RegionSizeY;
* kns.H = double.Parse(MainConsole.Instance.Prompt("H", "1.0"));
* kns.InitalGridX = int.Parse(MainConsole.Instance.Prompt("Initial Grid X", "2"));
* if(kns.InitalGridX < 2)
* kns.InitalGridX = 2;
* kns.InitalGridY = int.Parse(MainConsole.Instance.Prompt("Initial Grid Y", "2"));
* if(kns.InitalGridY < 2)
* kns.InitalGridY = 2;
* kns.RandomMin = int.Parse(MainConsole.Instance.Prompt("Random Min", "-1"));
* kns.RandomMax = int.Parse(MainConsole.Instance.Prompt("Random Max", "1"));
* kns.RandomSeed = int.Parse(MainConsole.Instance.Prompt("Random Seed", "0"));
* kns.Scale = double.Parse(MainConsole.Instance.Prompt("Scale", "1.0"));
* _noiseGen.Settings = kns;
* }*/
float scaling = float.Parse(MainConsole.Instance.Prompt("Fractal Scaling", "50"));
float[,] land = _noiseGen.Generate();
ITerrainChannel c = new TerrainChannel(scene);
for (int x = 0; x < scene.RegionInfo.RegionSizeX; x++)
{
for (int y = 0; y < scene.RegionInfo.RegionSizeY; y++)
{
c[x, y] = (land[x, y] * scaling) + (float)scene.RegionInfo.RegionSettings.WaterHeight + 10;
}
}
scene.RequestModuleInterface <ITerrainModule>().TerrainMap = c;
scene.RequestModuleInterface <ITerrainModule>().TaintTerrain();
scene.RegisterModuleInterface <ITerrainChannel>(c);
}
public void BrushTest()
{
int midRegion = (int)Constants.RegionSize / 2;
// Create a mask that covers only the left half of the region
bool[,] allowMask = new bool[(int)Constants.RegionSize, 256];
int x;
int y;
for (x = 0; x < midRegion; x++)
{
for (y = 0; y < (int)Constants.RegionSize; y++)
{
allowMask[x, y] = true;
}
}
//
// Test RaiseSphere
//
TerrainChannel map = new TerrainChannel((int)Constants.RegionSize, (int)Constants.RegionSize);
ITerrainPaintableEffect effect = new RaiseSphere();
effect.PaintEffect(map, allowMask, midRegion, midRegion, -1.0, 2, 6.0,
0, midRegion - 1, 0, (int)Constants.RegionSize - 1);
Assert.That(map[127, midRegion] > 0.0, "Raise brush should raising value at this point (127,128).");
Assert.That(map[125, midRegion] > 0.0, "Raise brush should raising value at this point (124,128).");
Assert.That(map[120, midRegion] == 0.0, "Raise brush should not change value at this point (120,128).");
Assert.That(map[128, midRegion] == 0.0, "Raise brush should not change value at this point (128,128).");
// Assert.That(map[0, midRegion] == 0.0, "Raise brush should not change value at this point (0,128).");
//
// Test LowerSphere
//
map = new TerrainChannel((int)Constants.RegionSize, (int)Constants.RegionSize);
for (x = 0; x < map.Width; x++)
{
for (y = 0; y < map.Height; y++)
{
map[x, y] = 1.0;
}
}
effect = new LowerSphere();
effect.PaintEffect(map, allowMask, midRegion, midRegion, -1.0, 2, 6.0,
0, (int)Constants.RegionSize - 1, 0, (int)Constants.RegionSize - 1);
Assert.That(map[127, midRegion] >= 0.0, "Lower should not lowering value below 0.0 at this point (127,128).");
Assert.That(map[127, midRegion] == 0.0, "Lower brush should lowering value to 0.0 at this point (127,128).");
Assert.That(map[125, midRegion] < 1.0, "Lower brush should lowering value at this point (124,128).");
Assert.That(map[120, midRegion] == 1.0, "Lower brush should not change value at this point (120,128).");
Assert.That(map[128, midRegion] == 1.0, "Lower brush should not change value at this point (128,128).");
// Assert.That(map[0, midRegion] == 1.0, "Lower brush should not change value at this point (0,128).");
}
public virtual ITerrainChannel LoadFile(string filename, int offsetX, int offsetY, int fileWidth, int fileHeight, int w, int h)
{
Bitmap bitmap = new Bitmap(filename);
ITerrainChannel retval = new TerrainChannel(true);
for (int x = 0; x < retval.Width; x++)
{
for (int y = 0; y < retval.Height; y++)
{
retval[x, y] = bitmap.GetPixel(offsetX * retval.Width + x, (bitmap.Height - (retval.Height * (offsetY + 1))) + retval.Height - y - 1).GetBrightness() * 128;
}
}
return(retval);
}
public void BrushTest()
{
bool[,] allowMask = new bool[(int)Constants.RegionSize, 256];
int x;
int y;
for (x = 0; x < (int)((int)Constants.RegionSize * 0.5f); x++)
{
for (y = 0; y < (int)Constants.RegionSize; y++)
{
allowMask[x, y] = true;
}
}
//
// Test RaiseSphere
//
TerrainChannel map = new TerrainChannel((int)Constants.RegionSize, (int)Constants.RegionSize);
ITerrainPaintableEffect effect = new RaiseSphere();
effect.PaintEffect(map, allowMask, (int)Constants.RegionSize * 0.5f, (int)Constants.RegionSize * 0.5f, -1.0, 2, 0.1);
Assert.That(map[127, (int)((int)Constants.RegionSize * 0.5f)] > 0.0, "Raise brush should raising value at this point (127,128).");
Assert.That(map[124, (int)((int)Constants.RegionSize * 0.5f)] > 0.0, "Raise brush should raising value at this point (124,128).");
Assert.That(map[123, (int)((int)Constants.RegionSize * 0.5f)] == 0.0, "Raise brush should not change value at this point (123,128).");
Assert.That(map[128, (int)((int)Constants.RegionSize * 0.5f)] == 0.0, "Raise brush should not change value at this point (128,128).");
Assert.That(map[0, (int)((int)Constants.RegionSize * 0.5f)] == 0.0, "Raise brush should not change value at this point (0,128).");
//
// Test LowerSphere
//
map = new TerrainChannel((int)Constants.RegionSize, (int)Constants.RegionSize);
for (x = 0; x < map.Width; x++)
{
for (y = 0; y < map.Height; y++)
{
map[x, y] = 1.0;
}
}
effect = new LowerSphere();
effect.PaintEffect(map, allowMask, ((int)Constants.RegionSize * 0.5f), ((int)Constants.RegionSize * 0.5f), -1.0, 2, 6.0);
Assert.That(map[127, (int)((int)Constants.RegionSize * 0.5f)] >= 0.0, "Lower should not lowering value below 0.0 at this point (127,128).");
Assert.That(map[127, (int)((int)Constants.RegionSize * 0.5f)] == 0.0, "Lower brush should lowering value to 0.0 at this point (127,128).");
Assert.That(map[124, (int)((int)Constants.RegionSize * 0.5f)] < 1.0, "Lower brush should lowering value at this point (124,128).");
Assert.That(map[123, (int)((int)Constants.RegionSize * 0.5f)] == 1.0, "Lower brush should not change value at this point (123,128).");
Assert.That(map[128, (int)((int)Constants.RegionSize * 0.5f)] == 1.0, "Lower brush should not change value at this point (128,128).");
Assert.That(map[0, (int)((int)Constants.RegionSize * 0.5f)] == 1.0, "Lower brush should not change value at this point (0,128).");
}
public void BrushTest()
{
bool[,] allowMask = new bool[256, 256];
int x;
int y;
for (x = 0; x < 128; x++)
{
for (y = 0; y < 256; y++)
{
allowMask[x, y] = true;
}
}
//
// Test RaiseSphere
//
TerrainChannel map = new TerrainChannel(256, 256);
ITerrainPaintableEffect effect = new RaiseSphere();
effect.PaintEffect(map, allowMask, 128.0, 128.0, -1.0, 2, 0.1);
Assert.That(map[127, 128] > 0.0, "Raise brush should raising value at this point (127,128).");
Assert.That(map[124, 128] > 0.0, "Raise brush should raising value at this point (124,128).");
Assert.That(map[123, 128] == 0.0, "Raise brush should not change value at this point (123,128).");
Assert.That(map[128, 128] == 0.0, "Raise brush should not change value at this point (128,128).");
Assert.That(map[0, 128] == 0.0, "Raise brush should not change value at this point (0,128).");
//
// Test LowerSphere
//
map = new TerrainChannel(256, 256);
for (x = 0; x < map.Width; x++)
{
for (y = 0; y < map.Height; y++)
{
map[x, y] = 1.0;
}
}
effect = new LowerSphere();
effect.PaintEffect(map, allowMask, 128.0, 128.0, -1.0, 2, 6.0);
Assert.That(map[127, 128] >= 0.0, "Lower should not lowering value below 0.0 at this point (127,128).");
Assert.That(map[127, 128] == 0.0, "Lower brush should lowering value to 0.0 at this point (127,128).");
Assert.That(map[124, 128] < 1.0, "Lower brush should lowering value at this point (124,128).");
Assert.That(map[123, 128] == 1.0, "Lower brush should not change value at this point (123,128).");
Assert.That(map[128, 128] == 1.0, "Lower brush should not change value at this point (128,128).");
Assert.That(map[0, 128] == 1.0, "Lower brush should not change value at this point (0,128).");
}
protected virtual ITerrainChannel LoadBitmap(Bitmap bitmap)
{
ITerrainChannel retval = new TerrainChannel(bitmap.Width, bitmap.Height);
int x;
for (x = 0; x < bitmap.Width; x++)
{
int y;
for (y = 0; y < bitmap.Height; y++)
{
retval[x, y] = bitmap.GetPixel(x, bitmap.Height - y - 1).GetBrightness() * 128;
}
}
return(retval);
}
protected virtual ITerrainChannel LoadBitmap(Bitmap bitmap, IScene scene)
{
ITerrainChannel retval = new TerrainChannel(bitmap.Width, bitmap.Height, scene);
int x;
int y;
for (x = 0; x < bitmap.Width; x++)
{
for (y = 0; y < bitmap.Height; y++)
{
retval [x, y] = bitmap.GetPixel(x, bitmap.Height - y - 1).GetBrightness() * 128;
}
}
bitmap.Dispose(); // not needed anymore
return(retval);
}
public ITerrainChannel LoadStream(Stream s, IScene scene)
{
BinaryReader bs = new BinaryReader(s);
int size = (int)System.Math.Sqrt(s.Length);
size /= sizeof(short);
TerrainChannel retval = new TerrainChannel(size, size, scene);
for (int y = 0; y < retval.Height; y++)
{
for (int x = 0; x < retval.Width; x++)
{
retval[x, y] = bs.ReadSingle();
}
}
bs.Close();
return(retval);
}
public ITerrainChannel LoadStream(Stream s)
{
TerrainChannel retval = new TerrainChannel();
BinaryReader bs = new BinaryReader(s);
int y;
for (y = 0; y < retval.Height; y++)
{
int x;
for (x = 0; x < retval.Width; x++)
{
retval[x, y] = bs.ReadSingle();
}
}
bs.Close();
return(retval);
}
public ITerrainChannel LoadStream(Stream s)
{
TerrainChannel retval = new TerrainChannel();
BinaryReader bs = new BinaryReader(s);
int y;
for (y = 0; y < retval.Height; y++)
{
int x;
for (x = 0; x < retval.Width; x++)
{
retval[x, (retval.Height - 1) - y] = bs.ReadByte() * (bs.ReadByte() / 128.0);
bs.ReadBytes(11); // Advance the stream to next bytes.
}
}
bs.Close();
return(retval);
}
public ITerrainChannel LoadStream(Stream s, IScene scene)
{
int size = (int)System.Math.Sqrt(s.Length / 13);
TerrainChannel retval = new TerrainChannel(size, size, scene);
BinaryReader bs = new BinaryReader(s);
int y;
for (y = 0; y < retval.Height; y++)
{
int x;
for (x = 0; x < retval.Width; x++)
{
retval[x, (retval.Height - 1) - y] = bs.ReadByte() * (bs.ReadByte() / 128);
bs.ReadBytes(11); // Advance the stream to next bytes.
}
}
bs.Close();
return(retval);
}
public virtual short[] LoadTerrain(IScene scene, bool RevertMap, int RegionSizeX, int RegionSizeY)
{
if (!m_loaded)
{
m_loaded = true;
ReadConfig(scene, scene.Config.Configs["FileBasedSimulationData"]);
ReadBackup(scene);
}
ITerrainModule terrainModule = scene.RequestModuleInterface <ITerrainModule>();
if (RevertMap)
{
ITerrainChannel channel = new TerrainChannel(false, scene);
if (m_revertTerrain == null)
{
if (m_shortrevertTerrain != null) //OpenSim style
{
terrainModule.TerrainRevertMap = new TerrainChannel(m_shortrevertTerrain, scene);
}
else if (m_oldstylerevertTerrain != null)
{
MemoryStream ms = new MemoryStream(m_oldstylerevertTerrain);
if (terrainModule != null)
{
terrainModule.LoadRevertMapFromStream(".r32", ms, 0, 0);
}
}
}
else
{
//New style
terrainModule.TerrainRevertMap = ReadFromData(m_revertTerrain, scene);
}
//Make sure the size is right!
if (terrainModule.TerrainRevertMap != null &&
terrainModule.TerrainRevertMap.Height != scene.RegionInfo.RegionSizeX)
{
terrainModule.TerrainRevertMap = null;
}
m_revertTerrain = null;
m_oldstylerevertTerrain = null;
m_shortrevertTerrain = null;
return(null);
}
else
{
if (m_terrain == null)
{
if (m_shortterrain != null) //OpenSim style
{
terrainModule.TerrainMap = new TerrainChannel(m_shortterrain, scene);
}
else if (m_oldstyleterrain != null)
{
//Old style
ITerrainChannel channel = new TerrainChannel(false, scene);
MemoryStream ms = new MemoryStream(m_oldstyleterrain);
if (terrainModule != null)
{
terrainModule.LoadFromStream(".r32", ms, 0, 0);
}
}
}
else
{
//New style
terrainModule.TerrainMap = ReadFromData(m_terrain, scene);
}
//Make sure the size is right!
if (terrainModule.TerrainMap != null &&
terrainModule.TerrainMap.Height != scene.RegionInfo.RegionSizeX)
{
terrainModule.TerrainMap = null;
}
m_terrain = null;
m_oldstyleterrain = null;
m_shortterrain = null;
return(null);
}
}
public void PaintEffect(ITerrainChannel map, bool[,] mask, double rx, double ry, double rz, double strength, double duration)
{
strength = TerrainUtil.MetersToSphericalStrength(strength);
int x, y;
// Using one 'rain' round for this, so skipping a useless loop
// Will need to adapt back in for the Flood brush
ITerrainChannel water = new TerrainChannel(map.Width, map.Height);
ITerrainChannel sediment = new TerrainChannel(map.Width, map.Height);
// Fill with rain
for (x = 0; x < water.Width; x++)
{
for (y = 0; y < water.Height; y++)
{
water[x, y] = Math.Max(0.0, TerrainUtil.SphericalFactor(x, y, rx, ry, strength) * rainHeight * duration);
}
}
for (int i = 0; i < rounds; i++)
{
// Erode underlying terrain
for (x = 0; x < water.Width; x++)
{
for (y = 0; y < water.Height; y++)
{
if (mask[x, y])
{
const double solConst = (1.0 / rounds);
double sedDelta = water[x, y] * solConst;
map[x, y] -= sedDelta;
sediment[x, y] += sedDelta;
}
}
}
// Move water
for (x = 0; x < water.Width; x++)
{
for (y = 0; y < water.Height; y++)
{
if (water[x, y] <= 0)
{
continue;
}
// Step 1. Calculate average of neighbours
int neighbours = 0;
double altitudeTotal = 0.0;
double altitudeMe = map[x, y] + water[x, y];
const int NEIGHBOUR_ME = 4;
const int NEIGHBOUR_MAX = 9;
for (int j = 0; j < NEIGHBOUR_MAX; j++)
{
if (j != NEIGHBOUR_ME)
{
int[] coords = Neighbours(type, j);
coords[0] += x;
coords[1] += y;
if (coords[0] > map.Width - 1)
{
continue;
}
if (coords[1] > map.Height - 1)
{
continue;
}
if (coords[0] < 0)
{
continue;
}
if (coords[1] < 0)
{
continue;
}
// Calculate total height of this neighbour
double altitudeNeighbour = water[coords[0], coords[1]] + map[coords[0], coords[1]];
// If it's greater than me...
if (altitudeNeighbour - altitudeMe < 0)
{
// Add it to our calculations
neighbours++;
altitudeTotal += altitudeNeighbour;
}
}
}
if (neighbours == 0)
{
continue;
}
double altitudeAvg = altitudeTotal / neighbours;
// Step 2. Allocate water to neighbours.
for (int j = 0; j < NEIGHBOUR_MAX; j++)
{
if (j != NEIGHBOUR_ME)
{
int[] coords = Neighbours(type, j);
coords[0] += x;
coords[1] += y;
if (coords[0] > map.Width - 1)
{
continue;
}
if (coords[1] > map.Height - 1)
{
continue;
}
if (coords[0] < 0)
{
continue;
}
if (coords[1] < 0)
{
continue;
}
// Skip if we dont have water to begin with.
if (water[x, y] < 0)
{
continue;
}
// Calculate our delta average
double altitudeDelta = altitudeMe - altitudeAvg;
if (altitudeDelta < 0)
{
continue;
}
// Calculate how much water we can move
double waterMin = Math.Min(water[x, y], altitudeDelta);
double waterDelta = waterMin * ((water[coords[0], coords[1]] + map[coords[0], coords[1]])
/ altitudeTotal);
double sedimentDelta = sediment[x, y] * (waterDelta / water[x, y]);
if (sedimentDelta > 0)
{
sediment[x, y] -= sedimentDelta;
sediment[coords[0], coords[1]] += sedimentDelta;
}
}
}
}
}
// Evaporate
for (x = 0; x < water.Width; x++)
{
for (y = 0; y < water.Height; y++)
{
water[x, y] *= 1.0 - (rainHeight / rounds);
double waterCapacity = waterSaturation * water[x, y];
double sedimentDeposit = sediment[x, y] - waterCapacity;
if (sedimentDeposit > 0)
{
if (mask[x, y])
{
sediment[x, y] -= sedimentDeposit;
map[x, y] += sedimentDeposit;
}
}
}
}
}
// Deposit any remainder (should be minimal)
for (x = 0; x < water.Width; x++)
{
for (y = 0; y < water.Height; y++)
{
if (mask[x, y] && sediment[x, y] > 0)
{
map[x, y] += sediment[x, y];
}
}
}
}
public ITerrainChannel LoadFile(string filename, int offsetX, int offsetY, int fileWidth, int fileHeight, int sectionWidth, int sectionHeight)
{
TerrainChannel retval = new TerrainChannel(sectionWidth, sectionHeight, null);
FileInfo file = new FileInfo(filename);
FileStream s = file.Open(FileMode.Open, FileAccess.Read);
BinaryReader bs = new BinaryReader(s);
int currFileYOffset = fileHeight - 1;
// if our region isn't on the first Y section of the areas to be landscaped, then
// advance to our section of the file
while (currFileYOffset > offsetY)
{
// read a whole strip of regions
int heightsToRead = sectionHeight * (fileWidth * sectionWidth);
bs.ReadBytes(heightsToRead * 13); // because there are 13 fun channels
currFileYOffset--;
}
// got to the Y start offset within the file of our region
// so read the file bits associated with our region
int y;
// for each Y within our Y offset
for (y = sectionHeight - 1; y >= 0; y--)
{
int currFileXOffset = 0;
// if our region isn't the first X section of the areas to be landscaped, then
// advance the stream to the X start pos of our section in the file
// i.e. eat X upto where we start
while (currFileXOffset < offsetX)
{
bs.ReadBytes(sectionWidth * 13);
currFileXOffset++;
}
// got to our X offset, so write our regions X line
int x;
for (x = 0; x < sectionWidth; x++)
{
// Read a strip and continue
retval[x, y] = bs.ReadByte() * (bs.ReadByte() / 128);
bs.ReadBytes(11);
}
// record that we wrote it
currFileXOffset++;
// if our region isn't the last X section of the areas to be landscaped, then
// advance the stream to the end of this Y column
while (currFileXOffset < fileWidth)
{
// eat the next regions x line
bs.ReadBytes(sectionWidth * 13); //The 13 channels again
currFileXOffset++;
}
}
bs.Close();
s.Close();
return(retval);
}
public ITerrainChannel LoadStream(Stream s, IScene scene)
{
int size = (int)Math.Sqrt(s.Length);
TerrainChannel retval = new TerrainChannel(size, size, scene);
BinaryReader bs = new BinaryReader(s);
bool eof = false;
if (Encoding.ASCII.GetString(bs.ReadBytes(16)) == "TERRAGENTERRAIN ")
{
int fileWidth = scene.RegionInfo.RegionSizeX;
int fileHeight = scene.RegionInfo.RegionSizeY;
// Terragen file
while (eof == false)
{
string tmp = Encoding.ASCII.GetString(bs.ReadBytes(4));
switch (tmp)
{
case "SIZE":
int sztmp = bs.ReadInt16() + 1;
fileWidth = sztmp;
fileHeight = sztmp;
bs.ReadInt16();
break;
case "XPTS":
fileWidth = bs.ReadInt16();
bs.ReadInt16();
break;
case "YPTS":
fileHeight = bs.ReadInt16();
bs.ReadInt16();
break;
case "ALTW":
eof = true;
short heightScale = bs.ReadInt16();
short baseHeight = bs.ReadInt16();
for (int y = 0; y < fileHeight; y++)
{
for (int x = 0; x < fileWidth; x++)
{
retval [x, y] = baseHeight + bs.ReadInt16() * heightScale / 65536;
}
}
break;
default:
bs.ReadInt32();
break;
}
}
}
bs.Close();
return(retval);
}
public ITerrainChannel LoadFile(string filename, int offsetX, int offsetY, int fileWidth, int fileHeight, int sectionWidth, int sectionHeight)
{
TerrainChannel retval = new TerrainChannel(sectionWidth, sectionHeight);
FileInfo file = new FileInfo(filename);
FileStream s = file.Open(FileMode.Open, FileAccess.Read);
BinaryReader bs = new BinaryReader(s);
bool eof = false;
int fileXPoints = 0;
int fileYPoints = 0;
// Terragen file
while (eof == false)
{
string tmp = Encoding.ASCII.GetString(bs.ReadBytes(4));
switch (tmp)
{
case "SIZE":
fileXPoints = bs.ReadInt16() + 1;
fileYPoints = fileXPoints;
bs.ReadInt16();
break;
case "XPTS":
fileXPoints = bs.ReadInt16();
bs.ReadInt16();
break;
case "YPTS":
fileYPoints = bs.ReadInt16();
bs.ReadInt16();
break;
case "ALTW":
eof = true;
Int16 heightScale = bs.ReadInt16();
Int16 baseHeight = bs.ReadInt16();
int currFileYOffset = 0;
// if our region isn't on the first X section of the areas to be landscaped, then
// advance to our section of the file
while (currFileYOffset < offsetY)
{
// read a whole strip of regions
int heightsToRead = sectionHeight * fileXPoints;
bs.ReadBytes(heightsToRead * 2); // because the shorts are 2 bytes in the file
currFileYOffset++;
}
for (int y = 0; y < sectionHeight; y++)
{
int currFileXOffset = 0;
// if our region isn't the first X section of the areas to be landscaped, then
// advance the stream to the X start pos of our section in the file
// i.e. eat X upto where we start
while (currFileXOffset < offsetX)
{
bs.ReadBytes(sectionWidth * 2); // 2 bytes = short
currFileXOffset++;
}
// got to our X offset, so write our regions X line
for (int x = 0; x < sectionWidth; x++)
{
// Read a strip and continue
retval[x, y] = baseHeight + bs.ReadInt16() * (float)heightScale / 65536.0f;
}
// record that we wrote it
currFileXOffset++;
// if our region isn't the last X section of the areas to be landscaped, then
// advance the stream to the end of this Y column
while (currFileXOffset < fileWidth)
{
// eat the next regions x line
bs.ReadBytes(sectionWidth * 2); // 2 bytes = short
currFileXOffset++;
}
//eat the last additional point
bs.ReadInt16();
}
break;
default:
bs.ReadInt32();
break;
}
}
bs.Close();
s.Close();
return(retval);
}
public ITerrainChannel LoadStream(Stream s)
{
// Set to default size
int w = (int)Constants.RegionSize;
int h = (int)Constants.RegionSize;
// create a dummy channel (in case data is bad)
TerrainChannel retval = new TerrainChannel(w, h);
BinaryReader bs = new BinaryReader(s);
bool eof = false;
if (Encoding.ASCII.GetString(bs.ReadBytes(16)) == "TERRAGENTERRAIN ")
{
// Terragen file
while (eof == false)
{
string tmp = Encoding.ASCII.GetString(bs.ReadBytes(4));
switch (tmp)
{
case "SIZE":
w = bs.ReadInt16() + 1;
h = w;
bs.ReadInt16();
break;
case "XPTS":
w = bs.ReadInt16();
bs.ReadInt16();
break;
case "YPTS":
h = bs.ReadInt16();
bs.ReadInt16();
break;
case "ALTW":
eof = true;
// create new channel of proper size (now that we know it)
retval = new TerrainChannel(w, h);
float heightScale = bs.ReadInt16() / 65536.0f;
float baseHeight = bs.ReadInt16();
for (int y = 0; y < h; y++)
{
for (int x = 0; x < w; x++)
{
retval[x, y] = baseHeight + bs.ReadInt16() * heightScale;
}
}
break;
default:
bs.ReadInt32();
break;
}
}
}
bs.Close();
return(retval);
}
public ITerrainChannel LoadStream(Stream s)
{
TerrainChannel retval = new TerrainChannel();
BinaryReader bs = new BinaryReader(s);
bool eof = false;
if (Encoding.ASCII.GetString(bs.ReadBytes(16)) == "TERRAGENTERRAIN ")
{
int w = 256;
int h = 256;
// Terragen file
while (eof == false)
{
string tmp = Encoding.ASCII.GetString(bs.ReadBytes(4));
switch (tmp)
{
case "SIZE":
int sztmp = bs.ReadInt16() + 1;
w = sztmp;
h = sztmp;
bs.ReadInt16();
break;
case "XPTS":
w = bs.ReadInt16();
bs.ReadInt16();
break;
case "YPTS":
h = bs.ReadInt16();
bs.ReadInt16();
break;
case "ALTW":
eof = true;
Int16 heightScale = bs.ReadInt16();
Int16 baseHeight = bs.ReadInt16();
retval = new TerrainChannel(w, h);
int x;
for (x = 0; x < w; x++)
{
int y;
for (y = 0; y < h; y++)
{
retval[x, y] = baseHeight + bs.ReadInt16() * (double)heightScale / 65536.0;
}
}
break;
default:
bs.ReadInt32();
break;
}
}
}
bs.Close();
return(retval);
}
public void PaintEffect(ITerrainChannel map, UUID userID, float rx, float ry, float rz, float strength, float duration, float BrushSize, List <Scene> scene)
{
strength = TerrainUtil.MetersToSphericalStrength(strength);
int x, y;
// Using one 'rain' round for this, so skipping a useless loop
// Will need to adapt back in for the Flood brush
ITerrainChannel water = new TerrainChannel(map.Width, map.Height, null);
ITerrainChannel sediment = new TerrainChannel(map.Width, map.Height, null);
// Fill with rain
for (x = 0; x < water.Width; x++)
{
for (y = 0; y < water.Height; y++)
{
water[x, y] = (float)Math.Max(0.0, TerrainUtil.SphericalFactor(x, y, rx, ry, strength) * rainHeight * duration);
}
}
for (int i = 0; i < rounds; i++)
{
// Erode underlying terrain
for (x = 0; x < water.Width; x++)
{
for (y = 0; y < water.Height; y++)
{
const float solConst = (1.0f / rounds);
float sedDelta = water[x, y] * solConst;
map[x, y] -= sedDelta;
sediment[x, y] += sedDelta;
}
}
// Move water
for (x = 0; x < water.Width; x++)
{
for (y = 0; y < water.Height; y++)
{
if (water[x, y] <= 0)
{
continue;
}
// Step 1. Calculate average of neighbours
int neighbours = 0;
float altitudeTotal = 0.0f;
float altitudeMe = map[x, y] + water[x, y];
const int NEIGHBOUR_ME = 4;
const int NEIGHBOUR_MAX = 9;
for (int j = 0; j < NEIGHBOUR_MAX; j++)
{
if (j != NEIGHBOUR_ME)
{
int[] coords = Neighbours(type, j);
coords[0] += x;
coords[1] += y;
if (coords[0] > map.Width - 1)
{
continue;
}
if (coords[1] > map.Height - 1)
{
continue;
}
if (coords[0] < 0)
{
continue;
}
if (coords[1] < 0)
{
continue;
}
// Calculate total height of this neighbour
float altitudeNeighbour = water[coords[0], coords[1]] + map[coords[0], coords[1]];
// If it's greater than me...
if (altitudeNeighbour - altitudeMe < 0)
{
// Add it to our calculations
neighbours++;
altitudeTotal += altitudeNeighbour;
}
}
}
if (neighbours == 0)
{
continue;
}
float altitudeAvg = altitudeTotal / neighbours;
// Step 2. Allocate water to neighbours.
for (int j = 0; j < NEIGHBOUR_MAX; j++)
{
if (j != NEIGHBOUR_ME)
{
int[] coords = Neighbours(type, j);
coords[0] += x;
coords[1] += y;
if (coords[0] > map.Width - 1)
{
continue;
}
if (coords[1] > map.Height - 1)
{
continue;
}
if (coords[0] < 0)
{
continue;
}
if (coords[1] < 0)
{
continue;
}
// Skip if we dont have water to begin with.
if (water[x, y] < 0)
{
continue;
}
// Calculate our delta average
float altitudeDelta = altitudeMe - altitudeAvg;
if (altitudeDelta < 0)
{
continue;
}
// Calculate how much water we can move
float waterMin = Math.Min(water[x, y], altitudeDelta);
float waterDelta = waterMin * ((water[coords[0], coords[1]] + map[coords[0], coords[1]])
/ altitudeTotal);
float sedimentDelta = sediment[x, y] * (waterDelta / water[x, y]);
if (sedimentDelta > 0)
{
sediment[x, y] -= sedimentDelta;
sediment[coords[0], coords[1]] += sedimentDelta;
}
}
}
}
}
// Evaporate
for (x = 0; x < water.Width; x++)
{
for (y = 0; y < water.Height; y++)
{
water[x, y] *= 1.0f - (rainHeight / rounds);
float waterCapacity = waterSaturation * water[x, y];
float sedimentDeposit = sediment[x, y] - waterCapacity;
if (sedimentDeposit > 0)
{
sediment[x, y] -= sedimentDeposit;
map[x, y] += sedimentDeposit;
}
}
}
}
// Deposit any remainder (should be minimal)
for (x = 0; x < water.Width; x++)
{
for (y = 0; y < water.Height; y++)
{
if (!((Scene)map.Scene).Permissions.CanTerraformLand(userID, new Vector3(rx + x, ry + y, 0)))
{
continue;
}
if (sediment[x, y] > 0)
{
map[(int)rx + x, (int)ry + y] += sediment[x, y];
}
}
}
}
/// <summary>
/// This method will produce a random city with the central region of the city being
/// specified as a parameter. More parameters need to be made available for this method
/// to produce a better quality city, note for now the minimum area for a city is a
/// 3x3 grid of regions. This code is based on the original C++ version called pixel city.
/// </summary>
/// <param name="seed_value">Random integer seed value.</param>
/// <returns>true / false indicator of success or failure.</returns>
private bool doGenerate(int seed_value)
{
int rx, ry;
// Based on the initial seed value populate the regions that this shared module
// is connected to, this means first get a list of the region, determine which
// region is in the center of all the regions and set this as the hotzone, or
// central part of the city (this is where the tallest/largest buildings will
// be created) and will extend out to cover virtually all of the connected
// regions if desired. No support for aging of the buildings or the city exists
// yet it is a possible course for the future of this module.
// First quick check to see if the module is enabled or not.
if (!m_fEnabled)
{
m_log.Info("[CITY BUILDER]: Disabled, aborting auto generation.");
return(false);
}
m_log.Info("[CITY BUILDER]: Auto generating the city.");
// Now we need to ask some basic values for the city generation, we already have
// the base seed value as this is part of the 'city generate' command, now what
// about a name, position, size, densities etc. Some of this can be generated
// based on the seed value, but then, it would need to be confirmed by the user
// or allow them to change it. TODO move all requested data into the configuration file.
if (m_UserAccountService == null)
{
m_UserAccountService = simulationBase.ApplicationRegistry.RequestModuleInterface <IUserAccountService>();
}
// Decide where the city is to be placed within the server instance.
int r = this.randomValue(10);
string regionCount = MainConsole.Instance.CmdPrompt("Region Count ", r.ToString());
r = Convert.ToInt32(regionCount);
m_log.InfoFormat("[CITY BUILDER]: City area {0} x {1} regions ", r, r);
cityName = MainConsole.Instance.CmdPrompt("City Name ", cityName);
cityOwner = MainConsole.Instance.CmdPrompt("City Owner ", cityOwner);
m_DefaultUserName = cityOwner;
// Make sure that the user and estate information specified in the configuration file
// have been loaded and the information has either been found or has been created.
m_DefaultUserAccount = m_UserAccountService.GetUserAccount(UUID.Zero, cityOwner);
if (m_DefaultUserAccount == null)
{
m_log.InfoFormat("[CITY BUILDER]: Creating default account {0}", m_DefaultUserName);
m_UserAccountService.CreateUser(m_DefaultUserName, Util.Md5Hash(m_DefaultUserPword), m_DefaultUserEmail);
m_DefaultUserAccount = m_UserAccountService.GetUserAccount(UUID.Zero, m_DefaultUserName);
cityOwner = m_DefaultUserName;
}
else
{
m_log.InfoFormat("[CITY BUILDER]: Account found for {0}", m_DefaultUserName);
}
// Obtain the scene manager that the server instance is using.
sceneManager = simulationBase.ApplicationRegistry.RequestModuleInterface <SceneManager>();
// Construct the data instance for a city map to hold the total regions in the simulation.
cityMap = new CityMap();
citySeed = seed_value;
cityMap.cityRegions = new Scene[r, r];
cityMap.cityPlots = new List <BuildingPlot>();
cityMap.cityBuildings = new List <CityBuilding>();
// Construct land and estate data and update to reflect the found user or the newly created one.
cityLandData = new LandData();
RegionInfo regionInfo = new RegionInfo();
regionInfo.RegionID = UUID.Random();
//Create an estate
m_DefaultEstate = new EstateSettings();
m_log.InfoFormat("[CITY BUILDER]: No estates found for user {0}, constructing default estate.", m_DefaultUserAccount.Name);
m_DefaultEstate.EstateOwner = m_DefaultUserAccount.PrincipalID;
m_DefaultEstate.EstateName = m_DefaultEstateName;
m_DefaultEstate.EstatePass = Util.Md5Hash(Util.Md5Hash(m_DefaultEstatePassword));
m_DefaultEstate.EstateID = (uint)this.randomValue(1000);
regionInfo.EstateSettings = m_DefaultEstate; //Just set the estate, this module took care of the loading and the rest will leave it alone
cityLandData.OwnerID = m_DefaultUserAccount.PrincipalID;
cityLandData.Name = m_DefaultEstateName;
cityLandData.GlobalID = UUID.Random();
cityLandData.GroupID = UUID.Zero;
int regionPort = startPort;
// Construct the region.
regionInfo.RegionSizeX = cityConfig.GetInt("DefaultRegionSize", 256);
regionInfo.RegionSizeY = regionInfo.RegionSizeX;
regionInfo.RegionType = "Mainland";
regionInfo.ObjectCapacity = 100000;
regionInfo.Startup = StartupType.Normal;
regionInfo.ScopeID = UUID.Zero;
IParcelServiceConnector parcelService = Aurora.DataManager.DataManager.RequestPlugin <IParcelServiceConnector>();
if (r == 1)
{
m_log.Info("[CITY BUILDER]: Single region city.");
IPAddress address = IPAddress.Parse("0.0.0.0");
regionInfo.ExternalHostName = Aurora.Framework.Utilities.GetExternalIp();
regionInfo.FindExternalAutomatically = true;
regionInfo.InternalEndPoint = new IPEndPoint(address, regionPort++);
cityLandData.RegionID = regionInfo.RegionID;
if (parcelService != null)
{
parcelService.StoreLandObject(cityLandData.LandData);
}
regionInfo.RegionName = "Region00";
regionInfo.RegionLocX = (int)m_DefaultStartLocation.X;
regionInfo.RegionLocY = (int)m_DefaultStartLocation.Y;
if (!createRegion(0, 0, regionInfo))
{
m_log.Info("[CITY BUILDER]: Failed to construct region.");
return(false);
}
}
else if (r > 1)
{
m_log.Info("[CITY BUILDER]: Multi-region city.");
IPAddress address = IPAddress.Parse("0.0.0.0");
regionInfo.ExternalHostName = Aurora.Framework.Utilities.GetExternalIp();
regionInfo.FindExternalAutomatically = true;
// Construct the regions for the city.
regionPort = startPort;
for (rx = 0; rx < r; rx++)
{
for (ry = 0; ry < r; ry++)
{
regionInfo.InternalEndPoint = new IPEndPoint(address, regionPort++);
cityLandData.RegionID = regionInfo.RegionID;
if (parcelService != null)
{
parcelService.StoreLandObject(cityLandData.LandData);
}
regionInfo.RegionName = "Region" + rx + ry;
regionInfo.RegionLocX = (int)(m_DefaultStartLocation.X + rx);
regionInfo.RegionLocY = (int)(m_DefaultStartLocation.Y + ry);
m_log.InfoFormat("[CITY BUILDER]: '{0}' @ {1},{2}, http://{3}/", regionInfo.RegionName,
regionInfo.RegionLocX, regionInfo.RegionLocY, regionInfo.InternalEndPoint);
//We already set the estate before, we don't need to deal with linking it or anything
//EstateConnector.LinkRegion(regionInfo.RegionID, (int)m_DefaultEstate.EstateID, m_DefaultEstate.EstatePass);
if (!createRegion(rx, ry, regionInfo))
{
m_log.InfoFormat("[CITY BUILDER]: Failed to construct region at {0},{1}", rx, ry);
return(false);
}
}
}
}
// Either generate the terrain or loading from an existing file, DEM for example.
m_log.Info("[CITY BUILDER]: [TERRAIN]");
// For each region, just fill the terrain to be 21. This is just above the default
// water level for Aurora.
float[,] tHeight = new float[256, 256];
for (rx = 0; rx < 256; rx++)
{
for (ry = 0; ry < 256; ry++)
{
tHeight[rx, ry] = 21.0f;
}
}
// Construct the new terrain for each region and pass the height map to it.
for (rx = 0; rx < r; rx++)
{
for (ry = 0; ry < r; ry++)
{
Scene region = cityMap.cityRegions[rx, ry];
ITerrainChannel tChannel = new TerrainChannel(true, region);
ITerrain terrain = null;
try
{
region.TryRequestModuleInterface <ITerrain>(out terrain);
terrain.SetHeights2D(tHeight);
}
catch
{
}
}
}
// Rivers and other waterways.
// From the total number of regions pick a number of regions that will be 'centers'
// for the entire city, record these in the centralRegions list.
m_log.Info("[CITY BUILDER]: [CENTERS]");
// ( region count * region count ) / 3
int aNum = this.randomValue((cityMap.cityRegions.GetUpperBound(0) * cityMap.cityRegions.GetUpperBound(1)) / 3);
if (aNum == 0)
{
aNum = 1;
}
m_log.InfoFormat("[CITY BUILDER]: Total regions {0}, selecting {1} regions for centers.", (r * r), aNum);
int prevRegionX = 0;
int prevRegionY = 0;
while (aNum > 0)
{
int currRegionX = randomValue(cityMap.cityRegions.GetUpperBound(0)) / 2;
int currRegionY = randomValue(cityMap.cityRegions.GetUpperBound(1)) / 2;
// If the location selected is the same as the previous location try again.
if (currRegionX == prevRegionX && currRegionY == prevRegionY)
{
aNum--;
continue;
}
m_log.InfoFormat("[CITY BUILDER]: Region {0}, located {1},{2}", aNum, prevRegionX, prevRegionY);
try
{
Scene region = cityMap.centralRegions[(prevRegionX * cityMap.cityRegions.GetUpperBound(0)) + prevRegionY];
if (region != null)
{
cityMap.centralRegions.Add(region);
}
}
catch
{
}
aNum--;
prevRegionX = currRegionX;
prevRegionY = currRegionY;
}
m_log.Info("[CITY BUILDER]: [DENSITY]");
float avgDensity = 0.0f;
avgDensity += cityDensities[0];
avgDensity += cityDensities[1];
avgDensity += cityDensities[2];
avgDensity += cityDensities[3];
avgDensity /= 4;
// Before ANYTHING else is created construct the transport systems, priority is given
// to the road network before the rail network, perhaps a configuration option to allow
// for the prioritisation value of the transport system is possible.
m_log.Info("[CITY BUILDER]: [FREEWAYS]");
m_log.Info("[CITY BUILDER]: [HIGHWAYS]");
m_log.Info("[CITY BUILDER]: [STREETS]");
m_log.Info("[CITY BUILDER]: [RAILWAYS]");
m_log.InfoFormat("[CITY BUILDER]: [RESIDENTIAL DENSITY] {0}%", cityDensities[0] * 100);
m_log.InfoFormat("[CITY BUILDER]: [COMMERCIAL DENSITY] {0}%", cityDensities[1] * 100);
m_log.InfoFormat("[CITY BUILDER]: [CORPORATE DENSITY] {0}%", cityDensities[2] * 100);
m_log.InfoFormat("[CITY BUILDER]: [INDUSTRIAL DENISTY] {0}%", cityDensities[3] * 100);
m_log.InfoFormat("[CITY BUILDER]: [AVERAGE DENSITY] {0}%", avgDensity);
m_log.Info("[CITY BUILDER]: [BLOCKS]");
m_log.Info("[CITY BUILDER]: [ALLOTMENT PLOTS]");
m_log.Info("[CITY BUILDER]: [BUILDINGS]");
return(true);
}
