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 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 ModifyMap(int X1, int X2, int Y1, int Y2, float[,] Q, int Shape, int Tool, bool IsPrimary, int Radius, float Flow, string MapName)
{
object Map = GetMap(MapName);
int[,] IntArray = new int[, ] {
};
byte[,] ByteArray = new byte[, ] {
};
float[,] FloatArray = new float[, ] {
};
if (Map.GetType() == IntArray.GetType())
{
int[,] Array = (int[, ])Map;
TerrainUtil.ApplySquareBrush(X1, X2, Y1, Y2, Q, Array, Shape, Tool, Radius, IsPrimary ? 1 : -1, Flow);
}
else if (Map.GetType() == ByteArray.GetType())
{
byte[,] Array = (byte[, ])Map;
TerrainUtil.ApplySquareBrush(X1, X2, Y1, Y2, Q, Array, Shape, Tool, Radius, IsPrimary ? 1 : -1, Flow);
}
else if (Map.GetType() == FloatArray.GetType())
{
float[,] Array = (float[, ])Map;
TerrainUtil.ApplySquareBrush(X1, X2, Y1, Y2, Q, Array, Shape, Tool, Radius, IsPrimary ? 1 : -1, Flow);
}
HasTerrainUpdate = true;
}
/*
* public void UpdateTerrainSize(int NX, int NY, float NS)
* {
* SX = NX;
* SY = NY;
* TerrainScale = NS;
*
* HeightMap = VoxelUtil.MergeFields(new int[SX + 1, SY + 1], HeightMap);
* VoxelUtil.ReplaceValue(HeightMap, 0, (int)Math.Round(TerrainDepth / HeightScale));
*
* MaterialMap = VoxelUtil.MergeFields(new byte[SX * MaterialDensity, SY * MaterialDensity], MaterialMap);
* SecondaryMaterialMap = VoxelUtil.MergeFields(new byte[SX * MaterialDensity, SY * MaterialDensity], SecondaryMaterialMap);
* BlendAlphaMap = VoxelUtil.MergeFields(new byte[SX * MaterialDensity, SY * MaterialDensity], BlendAlphaMap);
* DecalMaterialMap = VoxelUtil.MergeFields(new byte[SX * MaterialDensity, SY * MaterialDensity], DecalMaterialMap);
* DecalAlphaMap = VoxelUtil.MergeFields(new byte[SX * MaterialDensity, SY * MaterialDensity], DecalAlphaMap);
*
* WaterHeightMap = VoxelUtil.MergeFields(new int[SX + 1, SY + 1], WaterHeightMap);
*
* FlowXMap = VoxelUtil.MergeFields( VoxelUtil.ReturnReplaceValue(new byte[SX, SY], 0, 128), FlowXMap);
* FlowYMap = VoxelUtil.MergeFields( VoxelUtil.ReturnReplaceValue(new byte[SX, SY], 0, 128), FlowYMap);
* FlowBackTimeMap = VoxelUtil.MergeFields( new byte[SX, SY], FlowBackTimeMap);
* FlowPulseSpeedMap = VoxelUtil.MergeFields(new byte[SX, SY], FlowPulseSpeedMap);
*
* WaterMap = VoxelUtil.MergeFields( new byte[SX, SY], WaterMap);
* WaveLengthMap = VoxelUtil.MergeFields(new byte[SX + 1, SY + 1], WaveLengthMap);
* WaveHeightMap = VoxelUtil.MergeFields(new byte[SX + 1, SY + 1], WaveHeightMap);
*
* WaterAlphaMap = VoxelUtil.MergeFields(new byte[SX * WaterColorDensity + 1, SY * WaterColorDensity + 1], WaterAlphaMap);
* WaterFresnelMap = VoxelUtil.MergeFields(new byte[SX * WaterColorDensity + 1, SY * WaterColorDensity + 1], WaterFresnelMap);
* FoamRampMap0 = VoxelUtil.MergeFields(new byte[SX * WaterColorDensity + 1, SY * WaterColorDensity + 1], FoamRampMap0);
* WaterColorFalloffMap = VoxelUtil.MergeFields(new byte[SX * WaterColorDensity + 1, SY * WaterColorDensity + 1], WaterColorFalloffMap);
*
* WaterColorR = VoxelUtil.MergeFields(new byte[SX * WaterColorDensity + 1, SY * WaterColorDensity + 1], WaterColorR);
* WaterColorG = VoxelUtil.MergeFields(new byte[SX * WaterColorDensity + 1, SY * WaterColorDensity + 1], WaterColorG);
* WaterColorB = VoxelUtil.MergeFields(new byte[SX * WaterColorDensity + 1, SY * WaterColorDensity + 1], WaterColorB);
* WaterColorA = VoxelUtil.MergeFields(new byte[SX * WaterColorDensity + 1, SY * WaterColorDensity + 1], WaterColorA);
*
* //VoxelUtil.ReturnReplaceValue(new byte[SX, SY], 0, 128);
* //VoxelUtil.ReturnReplaceValue(new byte[SX, SY], 0, 128);
*
* //VoxelUtil.ReplaceValue(FoamPulseSpeedMap, 0, 128);
* //VoxelUtil.ReplaceValue(FoamPulseOffsetMap, 0, 128);
*
* HasTerrainUpdate = true;
* }
*/
public void MergeEdges(WorldFile OtherFile, bool IsVertical, string MapName, int MergeMode)
{
int[,] IntArray = new int[0, 0];
byte[,] ByteArray = new byte[0, 0];
float[,] FloatArray = new float[0, 0];
object Map = GetMap(MapName);
object OtherMap = OtherFile.GetMap(MapName);
if (Map != null && OtherMap != null)
{
if (Map.GetType() == IntArray.GetType())
{
TerrainUtil.MergeEdges((int[, ])Map, (int[, ])OtherMap, IsVertical, MergeMode);
}
else if (Map.GetType() == ByteArray.GetType())
{
TerrainUtil.MergeEdges((byte[, ])Map, (byte[, ])OtherMap, IsVertical, MergeMode);
}
else if (Map.GetType() == FloatArray.GetType())
{
TerrainUtil.MergeEdges((float[, ])Map, (float[, ])OtherMap, IsVertical, MergeMode);
}
}
}
public void FloodEffect(ITerrainChannel map, UUID userID, float north,
float west, float south, float east, float strength)
{
float area = strength;
float step = strength / 4;
for (int x = (int)west; x < (int)east; x++)
{
for (int y = (int)south; y < (int)north; y++)
{
if (!map.Scene.Permissions.CanTerraformLand(userID, new Vector3(x, y, 0)))
{
continue;
}
float average = 0;
int avgsteps = 0;
float n;
for (n = 0 - area; n < area; n += step)
{
float l;
for (l = 0 - area; l < area; l += step)
{
avgsteps++;
average += TerrainUtil.GetBilinearInterpolate(x + n, y + l, map);
}
}
map[x, y] = average / avgsteps;
}
}
}
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;
}
}
}
}
void Start()
{
perlinIsland = new PerlinIsland(frequency, octaves, maxHeight);
this.terrain = GetComponent <Terrain>();
TerrainUtil terrainUtil = new TerrainUtil(terrain, texture2D, perlinIsland, height, width, depth);
terrainUtil.Draw();
}
void Start()
{
fractalIsland = new FractalIsland(minValue, altitude, addAltitude);
this.terrain = GetComponent <Terrain>();
TerrainUtil terrainUtil = new TerrainUtil(terrain, texture2D, fractalIsland, height, width, depth, 2);
terrainUtil.Draw();
}
void Start()
{
diamondSquareAverageCornerIsland = new DiamondSquareAverageCornerIsland(minValue, altitude, addAltitude);
this.terrain = GetComponent <Terrain>();
TerrainUtil terrainUtil =
new TerrainUtil(terrain, texture2D, diamondSquareAverageCornerIsland, height + 1, width + 1, depth);
terrainUtil.Draw();
}
private void Compile(InputBuildContext context)
{
context.info.compilerCount++;
InputGeometryCompiler compiler = context.geomCompiler;
List <Component> items = context.components;
List <byte> areas = context.areas;
for (int i = 0; i < items.Count; i++)
{
Component item = items[i];
if (item is Terrain)
{
Terrain terrain = (Terrain)item;
if (terrain.terrainData != terrainData)
{
continue;
}
TriangleMesh mesh = TerrainUtil.TriangulateSurface(terrain, mResolution);
byte[] lareas = NMGen.CreateAreaBuffer(mesh.triCount, areas[i]);
if (compiler.AddTriangles(mesh, lareas))
{
string msg = string.Format("Compiled the {0} terrain surface. Triangles: {1}"
, terrain.name, mesh.triCount);
context.Log(msg, this);
}
else
{
string msg =
string.Format("Compiler rejected mesh for the {0} terrain.", terrain.name);
context.LogError(msg, this);
return;
}
if (includeTrees)
{
int before = compiler.TriCount;
TerrainUtil.TriangluateTrees(terrain, areas[i], compiler);
string msg = string.Format("Compiled the {0} terrain trees. Triangles: {1}"
, terrain.name, compiler.TriCount - before);
context.Log(msg, this);
}
break;
}
}
}
private void Start()
{
perlinSolitaryIsland =
new PerlinSolitaryIsland(truncatedProportion, mountainProportion, frequency, octaves, maxHeight);
this.terrain = GetComponent <Terrain>();
TerrainUtil terrainUtil = new TerrainUtil(terrain, texture2D, perlinSolitaryIsland, height, width, depth, 1);
terrainUtil.Draw();
}
public void PaintEffect(ITerrainChannel map, UUID userID, float rx, float ry, float rz, float strength,
float duration, float BrushSize, List <IScene> scene)
{
if (m_module == null)
{
return;
}
strength = TerrainUtil.MetersToSphericalStrength(BrushSize);
duration = 0.03f; //MCP Should be read from ini file
if (duration > 1.0)
{
duration = 1;
}
if (duration < 0)
{
return;
}
int n = (int)(BrushSize + 0.5f);
int zx = (int)(rx + 0.5);
int zy = (int)(ry + 0.5);
int dx;
for (dx = -n; dx <= n; dx++)
{
int dy;
for (dy = -n; dy <= n; dy++)
{
int x = zx + dx;
int y = zy + dy;
if (x >= 0 && y >= 0 && x < map.Width && y < map.Height)
{
if (!map.Scene.Permissions.CanTerraformLand(userID, new Vector3(x, y, 0)))
{
continue;
}
// Calculate a sphere and add it to the heighmap
float z = 0;
if (duration < 4.0)
{
z = TerrainUtil.SphericalFactor(x, y, rx, ry, strength) * duration * 0.25f;
}
if (z > 0.0)
{
float s = strength * 0.025f;
map[x, y] = (map[x, y] * (1 - s)) + (m_module.TerrainRevertMap[x, y] * s);
}
}
}
}
}
//Modifies With HeightAdjustMent
public void ModifyMap(int X1, int X2, int Y1, int Y2, float[,] Q, int Shape, int Tool, bool IsPrimary, int Radius, float Flow, string MapName, string AdjustMapName, bool AdjustHeight)
{
object Map = GetMap(MapName);
object AdjustmentMap = GetMap(AdjustMapName);
int[,] IntArray = new int[, ] {
};
byte[,] ByteArray = new byte[, ] {
};
float[,] FloatArrray = new float[, ] {
};
if (Map.GetType() == IntArray.GetType() && AdjustmentMap.GetType() == IntArray.GetType())
{
if (AdjustHeight)
{
int[,] Array = (int[, ])Map;
int[,] AdjustmentArray = (int[, ])AdjustmentMap;
TerrainUtil.ApplySquareBrush(X1, X2, Y1, Y2, Q, Array, AdjustmentArray, Shape, Tool, Radius, IsPrimary ? 1 : -1, Flow);
}
else
{
int[,] Array = (int[, ])Map;
int[,] AdjustmentArray = (int[, ])AdjustmentMap;
int[,] OldArray = (int[, ])Array.Clone();
//apply difference
TerrainUtil.ApplySquareBrush(X1, X2, Y1, Y2, Q, Array, AdjustmentArray, Shape, Tool, Radius, IsPrimary ? 1 : -1, Flow);
TerrainUtil.AdjustWaterHeight(OldArray, Array, AdjustmentArray);
}
}
else if (Map.GetType() == FloatArrray.GetType() && AdjustmentMap.GetType() == FloatArrray.GetType())
{
if (AdjustHeight)
{
float[,] Array = (float[, ])Map;
float[,] AdjustmentArray = (float[, ])AdjustmentMap;
TerrainUtil.ApplySquareBrush(X1, X2, Y1, Y2, Q, Array, AdjustmentArray, Shape, Tool, Radius, IsPrimary ? 1 : -1, Flow);
}
else
{
float[,] Array = (float[, ])Map;
float[,] AdjustmentArray = (float[, ])AdjustmentMap;
float[,] OldArray = (float[, ])Array.Clone();
//apply difference
TerrainUtil.ApplySquareBrush(X1, X2, Y1, Y2, Q, Array, AdjustmentArray, Shape, Tool, Radius, IsPrimary ? 1 : -1, Flow);
TerrainUtil.AdjustWaterHeight(OldArray, Array, AdjustmentArray);
}
}
HasTerrainUpdate = true;
}
// Use this for initialization
void Start()
{
Terrain terrain = GameObject.Find("Terrain").GetComponent <Terrain>();
//TerrainUtil.Sink(terrain, new Vector3(0, 4f, 0), 1, -10);
int[] indexs = new int[10];
for (int i = 0; i < 9; i++)
{
indexs[i] = 1;
}
TerrainUtil.Rise(terrain, indexs, 1f, 1);
//TerrainUtil.Flatten(terrain, 0);
}
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;
// blend in map
for (x = startX; x <= endX; x++)
{
for (y = startY; y <= endY; y++)
{
if (!mask[x, y])
{
continue;
}
double z;
if (duration < 4.0)
{
z = TerrainUtil.SphericalFactor(x, y, rx, ry, strength) * duration * 0.25;
}
else
{
z = 1.0;
}
double delta = rz - map[x, y];
if (Math.Abs(delta) > 0.1)
{
if (z > 1.0)
{
z = 1.0;
}
else if (z < 0.0)
{
z = 0.0;
}
delta *= z;
}
if (delta != 0) // add in non-zero amount
{
map[x, y] += delta;
}
}
}
}
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, 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, 0.25) * 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 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 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;
}
}
}
}
void DebuffRiverBankTerrain(ref byte volume, ref byte type, float bottomHeight, float noise2D, float fTerType, IntVector2 worldxz, int vy)
{
if (vy > Mathf.CeilToInt(bottomHeight))
{
volume = 0;
type = BLOCK_AIR;
}
else if (vy == Mathf.CeilToInt(bottomHeight))
{
float height = bottomHeight % 1;
if (height == 0)
{
height = 1;
}
volume = TerrainUtil.HeightToVolume(height);
}
else if (vy == Mathf.CeilToInt(bottomHeight) - 1)
{
volume = 255;
}
}
public void RunEffect(ITerrainChannel map)
{
int x, y;
int cx = map.Width / 2;
int cy = map.Height / 2;
float h;
float b;
for (x = 0; x < map.Width; x++)
{
for (y = 0; y < map.Height; y++)
{
h = 25 * TerrainUtil.SphericalFactor(x - cx, y - cy, 50);
b = 10 * TerrainUtil.SphericalFactor(x - cx, y - cy, 100);
if (h < b)
{
h = b;
}
map[x, y] = h;
}
}
}
public void PaintEffect(ITerrainChannel map, bool[,] mask, double rx, double ry, double rz, double strength, double duration)
{
strength = TerrainUtil.MetersToSphericalStrength(strength);
duration = 0.03; //MCP Should be read from ini file
if (duration > 1.0)
{
duration = 1.0;
}
if (duration < 0)
{
return;
}
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));
if (z > 0.0)
{
z *= duration;
map[x, y] = (map[x, y] * (1.0 - z)) + (m_revertmap[x, y] * z);
}
}
}
}
public void TerrainToBitmap(Bitmap mapbmp)
{
int tc = Environment.TickCount;
m_log.Info("[MAPTILE]: Generating Maptile Step 1: Terrain");
// These textures should be in the AssetCache anyway, as every client conneting to this
// region needs them. Except on start, when the map is recreated (before anyone connected),
// and on change of the estate settings (textures and terrain values), when the map should
// be recreated.
RegionSettings settings = m_scene.RegionInfo.RegionSettings;
// the four terrain colors as HSVs for interpolation
HSV hsv1 = new HSV(computeAverageColor(settings.TerrainTexture1, defaultColor1));
HSV hsv2 = new HSV(computeAverageColor(settings.TerrainTexture2, defaultColor2));
HSV hsv3 = new HSV(computeAverageColor(settings.TerrainTexture3, defaultColor3));
HSV hsv4 = new HSV(computeAverageColor(settings.TerrainTexture4, defaultColor4));
float levelNElow = (float)settings.Elevation1NE;
float levelNEhigh = (float)settings.Elevation2NE;
float levelNWlow = (float)settings.Elevation1NW;
float levelNWhigh = (float)settings.Elevation2NW;
float levelSElow = (float)settings.Elevation1SE;
float levelSEhigh = (float)settings.Elevation2SE;
float levelSWlow = (float)settings.Elevation1SW;
float levelSWhigh = (float)settings.Elevation2SW;
float waterHeight = (float)settings.WaterHeight;
double[,] hm = m_scene.Heightmap.GetDoubles();
for (int x = 0; x < (int)Constants.RegionSize; x++)
{
float columnRatio = x / ((float)Constants.RegionSize - 1); // 0 - 1, for interpolation
for (int y = 0; y < (int)Constants.RegionSize; y++)
{
float rowRatio = y / ((float)Constants.RegionSize - 1); // 0 - 1, for interpolation
// Y flip the cordinates for the bitmap: hf origin is lower left, bm origin is upper left
int yr = ((int)Constants.RegionSize - 1) - y;
float heightvalue = getHeight(hm, x, y);
if (Single.IsInfinity(heightvalue) || Single.IsNaN(heightvalue))
{
heightvalue = 0;
}
if (heightvalue > waterHeight)
{
// add a bit noise for breaking up those flat colors:
// - a large-scale noise, for the "patches" (using an doubled s-curve for sharper contrast)
// - a small-scale noise, for bringing in some small scale variation
//float bigNoise = (float)TerrainUtil.InterpolatedNoise(x / 8.0, y / 8.0) * .5f + .5f; // map to 0.0 - 1.0
//float smallNoise = (float)TerrainUtil.InterpolatedNoise(x + 33, y + 43) * .5f + .5f;
//float hmod = heightvalue + smallNoise * 3f + S(S(bigNoise)) * 10f;
float hmod =
heightvalue +
(float)TerrainUtil.InterpolatedNoise(x + 33, y + 43) * 1.5f + 1.5f + // 0 - 3
S(S((float)TerrainUtil.InterpolatedNoise(x / 8.0, y / 8.0) * .5f + .5f)) * 10f; // 0 - 10
// find the low/high values for this point (interpolated bilinearily)
// (and remember, x=0,y=0 is SW)
float low = levelSWlow * (1f - rowRatio) * (1f - columnRatio) +
levelSElow * (1f - rowRatio) * columnRatio +
levelNWlow * rowRatio * (1f - columnRatio) +
levelNElow * rowRatio * columnRatio;
float high = levelSWhigh * (1f - rowRatio) * (1f - columnRatio) +
levelSEhigh * (1f - rowRatio) * columnRatio +
levelNWhigh * rowRatio * (1f - columnRatio) +
levelNEhigh * rowRatio * columnRatio;
if (high < low)
{
// someone tried to fool us. High value should be higher than low every time
float tmp = high;
high = low;
low = tmp;
}
HSV hsv;
if (hmod <= low)
{
hsv = hsv1; // too low
}
else if (hmod >= high)
{
hsv = hsv4; // too high
}
else
{
// HSV-interpolate along the colors
// first, rescale h to 0.0 - 1.0
hmod = (hmod - low) / (high - low);
// now we have to split: 0.00 => color1, 0.33 => color2, 0.67 => color3, 1.00 => color4
if (hmod < 1f / 3f)
{
hsv = interpolateHSV(ref hsv1, ref hsv2, hmod * 3f);
}
else if (hmod < 2f / 3f)
{
hsv = interpolateHSV(ref hsv2, ref hsv3, (hmod * 3f) - 1f);
}
else
{
hsv = interpolateHSV(ref hsv3, ref hsv4, (hmod * 3f) - 2f);
}
}
// Shade the terrain for shadows
if (x < ((int)Constants.RegionSize - 1) && y < ((int)Constants.RegionSize - 1))
{
float hfvaluecompare = getHeight(hm, x + 1, y + 1); // light from north-east => look at land height there
if (Single.IsInfinity(hfvaluecompare) || Single.IsNaN(hfvaluecompare))
{
hfvaluecompare = 0f;
}
float hfdiff = heightvalue - hfvaluecompare; // => positive if NE is lower, negative if here is lower
hfdiff *= 0.06f; // some random factor so "it looks good"
if (hfdiff > 0.02f)
{
float highlightfactor = 0.18f;
// NE is lower than here
// We have to desaturate and lighten the land at the same time
hsv.s = (hsv.s - (hfdiff * highlightfactor) > 0f) ? hsv.s - (hfdiff * highlightfactor) : 0f;
hsv.v = (hsv.v + (hfdiff * highlightfactor) < 1f) ? hsv.v + (hfdiff * highlightfactor) : 1f;
}
else if (hfdiff < -0.02f)
{
// here is lower than NE:
// We have to desaturate and blacken the land at the same time
hsv.s = (hsv.s + hfdiff > 0f) ? hsv.s + hfdiff : 0f;
hsv.v = (hsv.v + hfdiff > 0f) ? hsv.v + hfdiff : 0f;
}
}
mapbmp.SetPixel(x, yr, hsv.toColor());
}
else
{
// We're under the water level with the terrain, so paint water instead of land
heightvalue = waterHeight - heightvalue;
if (Single.IsInfinity(heightvalue) || Single.IsNaN(heightvalue))
{
heightvalue = 0f;
}
else if (heightvalue > 19f)
{
heightvalue = 19f;
}
else if (heightvalue < 0f)
{
heightvalue = 0f;
}
heightvalue = 100f - (heightvalue * 100f) / 19f; // 0 - 19 => 100 - 0
mapbmp.SetPixel(x, yr, WATER_COLOR);
}
}
}
m_log.Info("[MAPTILE]: Generating Maptile Step 1: Done in " + (Environment.TickCount - tc) + " ms");
}
public void PaintEffect(ITerrainChannel map, UUID userID, float rx, float ry, float rz, float strength,
float duration, float BrushSize, Scene scene)
{
strength = TerrainUtil.MetersToSphericalStrength(strength);
int x;
for (x = 0; x < map.Width; x++)
{
int y;
for (y = 0; y < map.Height; y++)
{
if (!scene.Permissions.CanTerraformLand(userID, new Vector3(x, y, 0)))
{
continue;
}
double z = TerrainUtil.SphericalFactor(x, y, rx, ry, strength);
if (z > 0) // add in non-zero amount
{
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;
}
double heightF = map[x, y];
double target = map[coords[0], coords[1]];
if (target > heightF + talus)
{
double calc = duration * ((target - heightF) - talus) * z;
heightF += calc;
target -= calc;
}
map[x, y] = heightF;
map[coords[0], coords[1]] = target;
}
}
}
}
}
}
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;
}
double z = TerrainUtil.SphericalFactor(x, y, rx, ry, strength);
if (z > 0) // add in non-zero amount
{
const int NEIGHBOUR_ME = 4;
const int NEIGHBOUR_MAX = 9;
double max = Double.MinValue;
int loc = 0;
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;
}
double cellmax = map[x, y] - map[coords[0], coords[1]];
if (cellmax > max)
{
max = cellmax;
loc = j;
}
}
}
double T = nConst / ((map.Width + map.Height) / 2.0);
// Apply results
if (0 < max && max <= T)
{
int[] maxCoords = Neighbours(type, loc);
double heightDelta = 0.5 * max * z * duration;
map[x, y] -= heightDelta;
map[x + maxCoords[0], y + maxCoords[1]] += heightDelta;
}
}
}
}
}
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 void PaintEffect(ITerrainChannel map, UUID userID, float rx, float ry, float rz, float strength,
float duration, float BrushSize)
{
strength = TerrainUtil.MetersToSphericalStrength(BrushSize);
int x, y;
int xFrom = (int)(rx - BrushSize + 0.5);
int xTo = (int)(rx + BrushSize + 0.5) + 1;
int yFrom = (int)(ry - BrushSize + 0.5);
int yTo = (int)(ry + BrushSize + 0.5) + 1;
if (xFrom < 0)
{
xFrom = 0;
}
if (yFrom < 0)
{
yFrom = 0;
}
if (xTo > map.Width)
{
xTo = map.Width;
}
if (yTo > map.Height)
{
yTo = map.Height;
}
// blend in map
for (x = xFrom; x < xTo; x++)
{
for (y = yFrom; y < yTo; y++)
{
if (!map.Scene.Permissions.CanTerraformLand(userID, new Vector3(x, y, 0)))
{
continue;
}
float z;
if (duration < 4.0)
{
z = TerrainUtil.SphericalFactor(x, y, rx, ry, strength) * duration * 0.25f;
}
else
{
z = 1;
}
float delta = rz - map[x, y];
if (Math.Abs(delta) > 0.1)
{
if (z > 1)
{
z = 1;
}
else if (z < 0)
{
z = 0;
}
delta *= z;
}
if (delta != 0) // add in non-zero amount
{
map[x, y] += delta;
}
}
}
}
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);
}
