public static void FlattenArea(UGUI agentOwner, SceneInterface scene, ModifyLand modify, ModifyLand.Data data)
{
var changed = new List <LayerPatch>();
double sum = 0;
double steps = 0;
for (var x = (int)data.West; x < (int)data.East; x++)
{
for (var y = (int)data.South; y < (int)data.North; y++)
{
if (!scene.CanTerraform(agentOwner, new Vector3(x, y, 0)))
{
continue;
}
sum += scene.Terrain[(uint)x, (uint)y];
steps++;
}
}
double avg = sum / steps;
double str = 0.1f * modify.Size; // == 0.2 in the default client
for (var x = (int)data.West; x < (int)data.East; x++)
{
for (var y = (int)data.South; y < (int)data.North; y++)
{
if (scene.CanTerraform(agentOwner, new Vector3(x, y, 0)))
{
LayerPatch lp = scene.Terrain.BlendTerrain((uint)x, (uint)y, avg, str);
if (lp != null && !changed.Contains(lp))
{
changed.Add(lp);
}
}
}
}
if (changed.Count != 0)
{
foreach (LayerPatch lp in changed)
{
lp.IncrementSerial();
scene.Terrain.UpdateTerrainListeners(lp);
}
scene.Terrain.UpdateTerrainDataToClients();
}
}
public static void NoiseArea(UGUI agentOwner, SceneInterface scene, ModifyLand modify, ModifyLand.Data data)
{
var changed = new List <LayerPatch>();
for (int x = (int)data.West; x < (int)data.East; x++)
{
for (int y = (int)data.South; y < (int)data.North; y++)
{
if (!scene.CanTerraform(agentOwner, new Vector3(x, y, 0)))
{
continue;
}
double noise = PerlinNoise2D((double)x / scene.SizeX,
(double)y / scene.SizeY, 8, 1);
LayerPatch lp = scene.Terrain.AdjustTerrain((uint)x, (uint)y, noise * modify.Size);
if (lp != null && !changed.Contains(lp))
{
changed.Add(lp);
}
}
}
if (changed.Count != 0)
{
foreach (LayerPatch lp in changed)
{
lp.IncrementSerial();
scene.Terrain.UpdateTerrainListeners(lp);
}
scene.Terrain.UpdateTerrainDataToClients();
}
}
public static void SmoothArea(UGUI agentOwner, SceneInterface scene, ModifyLand modify, ModifyLand.Data data)
{
var changed = new List <LayerPatch>();
double area = modify.Size;
double step = area / 4;
for (int x = (int)data.West; x < (int)data.East; x++)
{
for (int y = (int)data.South; y < (int)data.North; y++)
{
if (!scene.CanTerraform(agentOwner, new Vector3(x, y, 0)))
{
continue;
}
double average = 0;
int avgsteps = 0;
for (double n = 0 - area; n < area; n += step)
{
for (double l = 0 - area; l < area; l += step)
{
avgsteps++;
average += GetBilinearInterpolate(x + n, y + l, scene);
}
}
LayerPatch lp = scene.Terrain.BlendTerrain((uint)x, (uint)y, average / avgsteps, 1);
if (lp != null && !changed.Contains(lp))
{
changed.Add(lp);
}
}
}
if (changed.Count != 0)
{
foreach (LayerPatch lp in changed)
{
lp.IncrementSerial();
scene.Terrain.UpdateTerrainListeners(lp);
}
scene.Terrain.UpdateTerrainDataToClients();
}
}
public static void NoiseSphere(UGUI agentOwner, SceneInterface scene, ModifyLand modify, ModifyLand.Data data)
{
var changed = new List <LayerPatch>();
int n = (int)(data.BrushSize + 0.5f);
if (data.BrushSize > 6)
{
data.BrushSize = 6;
}
double strength = MetersToSphericalStrength(data.BrushSize);
double area = data.BrushSize;
double step = data.BrushSize / 4;
double duration = modify.Seconds * 0.01f;
int zx = (int)(data.West + 0.5);
int zy = (int)(data.South + 0.5);
double average = 0;
int avgsteps = 0;
for (double nn = 0 - area; nn < area; nn += step)
{
for (double l = 0 - area; l < area; l += step)
{
avgsteps++;
average += GetBilinearInterpolate(data.West + nn, data.South + l, scene);
}
}
for (int dx = -n; dx <= n; dx++)
{
for (int dy = -n; dy <= n; dy++)
{
int x = zx + dx;
int y = zy + dy;
if (x >= 0 && y >= 0 && x < scene.SizeX && y < scene.SizeY)
{
Vector3 pos = new Vector3(x, y, 0);
if (!scene.CanTerraform(agentOwner, pos))
{
continue;
}
double z = SphericalFactor(x, y, data.West, data.South, strength) / (strength);
if (z > 0) // add in non-zero amount
{
double a = scene.Terrain[(uint)x, (uint)y] - (average / avgsteps);
LayerPatch lp = scene.Terrain.AdjustTerrain((uint)x, (uint)y, a * duration);
if (lp != null && !changed.Contains(lp))
{
changed.Add(lp);
}
}
}
}
}
if (changed.Count != 0)
{
foreach (LayerPatch lp in changed)
{
lp.IncrementSerial();
scene.Terrain.UpdateTerrainListeners(lp);
}
scene.Terrain.UpdateTerrainDataToClients();
}
}
public static void FlattenSphere(UGUI agentOwner, SceneInterface scene, ModifyLand modify, ModifyLand.Data data)
{
var changed = new List <LayerPatch>();
double strength = MetersToSphericalStrength(data.BrushSize);
int xFrom = (int)(data.West - data.BrushSize + 0.5);
int xTo = (int)(data.West + data.BrushSize + 0.5);
int yFrom = (int)(data.South - data.BrushSize + 0.5);
int yTo = (int)(data.South + data.BrushSize + 0.5);
if (xFrom < 0)
{
xFrom = 0;
}
if (yFrom < 0)
{
yFrom = 0;
}
if (xTo >= scene.SizeX)
{
xTo = (int)scene.SizeX - 1;
}
if (yTo > scene.SizeY)
{
yTo = (int)scene.SizeY - 1;
}
for (int x = xFrom; x <= xTo; x++)
{
for (int y = yFrom; y <= yTo; y++)
{
var pos = new Vector3(x, y, 0);
if (!scene.CanTerraform(agentOwner, pos))
{
continue;
}
double z = (modify.Seconds < 4.0) ?
SphericalFactor(x, y, data.West, data.South, strength) * modify.Seconds * 0.25f :
1;
double delta = modify.Height - scene.Terrain[(uint)x, (uint)y];
if (Math.Abs(delta) > 0.1)
{
if (z > 1)
{
z = 1;
}
else if (z < 0)
{
z = 0;
}
delta *= z;
}
if (Math.Abs(delta) >= Double.Epsilon) // add in non-zero amount
{
LayerPatch lp = scene.Terrain.AdjustTerrain((uint)x, (uint)y, delta);
if (lp != null && !changed.Contains(lp))
{
changed.Add(lp);
}
}
}
}
if (changed.Count != 0)
{
foreach (LayerPatch lp in changed)
{
lp.IncrementSerial();
}
scene.Terrain.UpdateTerrainDataToClients();
}
}
public static void LowerSphere(UGUI agentOwner, SceneInterface scene, ModifyLand modify, ModifyLand.Data data)
{
var changed = new List <LayerPatch>();
int xFrom = (int)(data.West - data.BrushSize + 0.5);
int xTo = (int)(data.West + data.BrushSize + 0.5);
int yFrom = (int)(data.South - data.BrushSize + 0.5);
int yTo = (int)(data.South + data.BrushSize + 0.5);
if (xFrom < 0)
{
xFrom = 0;
}
if (yFrom < 0)
{
yFrom = 0;
}
if (xTo >= scene.SizeX)
{
xTo = (int)scene.SizeX - 1;
}
if (yTo >= scene.SizeY)
{
yTo = (int)scene.SizeY - 1;
}
for (int x = xFrom; x <= xTo; x++)
{
for (int y = yFrom; y <= yTo; y++)
{
Vector3 pos = new Vector3(x, y, 0);
if (!scene.CanTerraform(agentOwner, pos))
{
continue;
}
// Calculate a cos-sphere and add it to the heightmap
double r = Math.Sqrt((x - data.West) * (x - data.West) + ((y - data.South) * (y - data.South)));
double z = Math.Cos(r * Math.PI / (data.BrushSize * 2));
if (z > 0.0)
{
LayerPatch lp = scene.Terrain.AdjustTerrain((uint)x, (uint)y, -z * modify.Seconds);
if (lp != null && !changed.Contains(lp))
{
changed.Add(lp);
}
}
}
}
if (changed.Count != 0)
{
foreach (LayerPatch lp in changed)
{
lp.IncrementSerial();
scene.Terrain.UpdateTerrainListeners(lp);
}
scene.Terrain.UpdateTerrainDataToClients();
}
}