public void PaintEffect(ITerrainChannel map, bool[,] mask, float rx, float ry, float rz,
float size, float strength, int startX, int endX, int startY, int endY)
{
int x, y;
float distancefactor;
float dx2;
size *= size;
for (x = startX; x <= endX; x++)
{
dx2 = (x - rx) * (x - rx);
for (y = startY; y <= endY; y++)
{
if (!mask[x, y])
{
continue;
}
// Calculate a sphere and add it to the heighmap
distancefactor = (dx2 + (y - ry) * (y - ry)) / size;
if (distancefactor > 1.0f)
{
continue;
}
distancefactor = strength * (1.0f - distancefactor);
float noise = (float)TerrainUtil.PerlinNoise2D(x / (double)map.Width, y / (double)map.Height, 8, 1.0);
map[x, y] += noise * distancefactor;
}
}
}
public void PaintEffect(ITerrainChannel map, bool[,] mask, double rx, double ry, double rz, double strength, double duration)
{
strength = TerrainUtil.MetersToSphericalStrength(strength);
int x;
for (x = 0; x < map.Width; x++)
{
int y;
for (y = 0; y < map.Height; y++)
{
if (!mask[x, y])
{
continue;
}
// Calculate a sphere and add it to the heighmap
double z = strength;
z *= z;
z -= ((x - rx) * (x - rx)) + ((y - ry) * (y - ry));
double noise = TerrainUtil.PerlinNoise2D(x / (double)Constants.RegionSize, y / (double)Constants.RegionSize, 8, 1.0);
if (z > 0.0)
{
map[x, y] += noise * z * duration;
}
}
}
}
public override float operate(float[,] map, TerrainModifierData data, int x, int y)
{
float factor = this.computeBevel(data, x, y);
float noise = (float)TerrainUtil.PerlinNoise2D((double)x / map.GetLength(0), (double)y / map.GetLength(1), 8, 1.0);
return(map[x, y] + (data.elevation - (data.elevation - data.bevelevation) * factor) * (noise - .5f));
}
public void PaintEffect(ITerrainChannel map, bool[,] mask, double rx, double ry, double rz,
double strength, double duration, int startX, int endX, int startY, int endY)
{
strength = TerrainUtil.MetersToSphericalStrength(strength);
int x, y;
for (x = startX; x <= endX; x++)
{
for (y = startY; y <= endY; y++)
{
if (!mask[x, y])
{
continue;
}
// Calculate a sphere and add it to the heighmap
double z = strength;
z *= z;
z -= ((x - rx) * (x - rx)) + ((y - ry) * (y - ry));
double noise = TerrainUtil.PerlinNoise2D(x / (double)map.Width, y / (double)map.Height, 8, 1.0);
if (z > 0.0)
{
map[x, y] += noise * z * duration;
}
}
}
}
public void RunEffect(ITerrainChannel map)
{
int x, y;
for (x = 0; x < map.Width; x++)
{
for (y = 0; y < map.Height; y++)
{
map[x, y] = TerrainUtil.PerlinNoise2D(x, y, 3, 0.25) * 10;
double spherFac = TerrainUtil.SphericalFactor(x, y, map.Width / 2, map.Height / 2, 50) * 0.01;
if (map[x, y] < spherFac)
{
map[x, y] = spherFac;
}
}
}
}
public void FloodEffect(ITerrainChannel map, UUID userID, float north,
float west, float south, float east, float strength)
{
for (int x = (int)west; x < (int)east; x++)
{
for (int y = (int)south; y < (int)north; y++)
{
if (!((Scene)map.Scene).Permissions.CanTerraformLand(userID, new Vector3(x, y, 0)))
{
continue;
}
float noise = TerrainUtil.PerlinNoise2D(x / map.Scene.RegionInfo.RegionSizeX, y / map.Scene.RegionInfo.RegionSizeY, 8, 1);
map[x, y] += noise * strength;
}
}
}
public void RunEffect(ITerrainChannel map)
{
int x, y;
for (x = 0; x < map.Width; x++)
{
for (y = 0; y < map.Height; y++)
{
map[x, y] = TerrainUtil.PerlinNoise2D(x, y, 3, 0.25f) * 10;
float spherFac = TerrainUtil.SphericalFactor(x, y, map.Scene.RegionInfo.RegionSizeX / 2, map.Scene.RegionInfo.RegionSizeY / 2, 50) * 0.01f;
if (map[x, y] < spherFac)
{
map[x, y] = spherFac;
}
}
}
}
public void FloodEffect(ITerrainChannel map, bool[,] fillArea, double strength,
int startX, int endX, int startY, int endY)
{
int x, y;
for (x = startX; x <= endX; x++)
{
for (y = startY; y <= endY; y++)
{
if (fillArea[x, y])
{
double noise = TerrainUtil.PerlinNoise2D((double)x / map.Width, (double)y / map.Height, 8, 1.0);
map[x, y] += noise * strength;
}
}
}
}
public void FloodEffect(ITerrainChannel map, bool[,] fillArea, double strength)
{
int x;
for (x = 0; x < map.Width; x++)
{
int y;
for (y = 0; y < map.Height; y++)
{
if (fillArea[x, y])
{
double noise = TerrainUtil.PerlinNoise2D((double)x / map.Width, (double)y / map.Height, 8, 1.0);
map[x, y] += noise * strength;
}
}
}
}
public void RunEffect(ITerrainChannel map)
{
ITerrainPaintableEffect eroder = new WeatherSphere();
bool[,] cliffMask = new bool[map.Width, map.Height];
bool[,] channelMask = new bool[map.Width, map.Height];
bool[,] smoothMask = new bool[map.Width, map.Height];
bool[,] allowMask = new bool[map.Width, map.Height];
m_log.Info("S1");
// Step one, generate rough mask
int x, y;
for (x = 0; x < map.Width; x++)
{
for (y = 0; y < map.Height; y++)
{
m_log.Info(".");
smoothMask[x, y] = true;
allowMask[x, y] = true;
// Start underwater
map[x, y] = TerrainUtil.PerlinNoise2D(x, y, 3, 0.25) * 5;
// Add a little height. (terrain should now be above water, mostly.)
map[x, y] += 20;
const int channelsX = 4;
int channelWidth = (map.Width / channelsX / 4);
const int channelsY = 4;
int channelHeight = (map.Height / channelsY / 4);
SetLowerChannel(map, cliffMask, channelMask, x, y, channelsX, channelWidth, map.Width, x);
SetLowerChannel(map, cliffMask, channelMask, x, y, channelsY, channelHeight, map.Height, y);
}
}
m_log.Info("S2");
//smooth.FloodEffect(map, smoothMask, 4.0);
m_log.Info("S3");
for (x = 0; x < map.Width; x++)
{
for (y = 0; y < map.Height; y++)
{
if (cliffMask[x, y])
{
eroder.PaintEffect(map, allowMask, x, y, -1, 4, 0.1);
}
}
}
for (x = 0; x < map.Width; x += 2)
{
for (y = 0; y < map.Height; y += 2)
{
if (map[x, y] < 0.1)
{
map[x, y] = 0.1;
}
if (map[x, y] > 256)
{
map[x, y] = 256;
}
}
}
//smooth.FloodEffect(map, smoothMask, 4.0);
}