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* Apply http://opensimulator.org/mantis/view.php?id=2468 

* This time there are accompanying changes to the unit test to adapt it to the changes
* Thanks tglion
0.6.0-stable
Justin Clarke Casey 2008-10-27 17:06:47 +00:00
parent 0d69e06779
commit 6ec9c2d706
3 changed files with 85 additions and 31 deletions
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44
OpenSim/Region/Environment/Modules/World/Terrain/PaintBrushes/LowerSphere.cs
View File

@ -36,29 +36,49 @@ namespace OpenSim.Region.Environment.Modules.World.Terrain.PaintBrushes
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
int s = (int) (Math.Pow(2, strength) + 0.5);
int x;
for (x = 0; x < map.Width; x++)
int xFrom = (int)(rx-s+0.5);
int xTo = (int)(rx+s+0.5) + 1;
int yFrom = (int)(ry-s+0.5);
int yTo = (int)(ry+s+0.5) + 1;
if (xFrom < 0)
xFrom = 0;
if (yFrom < 0)
yFrom = 0;
if (xTo > map.Width)
xTo = map.Width;
if (yTo > map.Width)
yTo = map.Width;
for (x = xFrom; x < xTo; x++)
{
int y;
for (y = 0; y < map.Height; y++)
for (y = yFrom; y < yTo; 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));
// Calculate a cos-sphere and add it to the heighmap
double r = Math.Sqrt((x-rx) * (x-rx) + ((y-ry) * (y-ry)));
double z = Math.Cos(r * Math.PI / (s * 2));
if (z > 0.0)
map[x, y] -= z * duration;
{
double newz = map[x, y] - z * duration;
if (newz < 0.0)
map[x, y] = 0.0;
else
map[x, y] = newz;
}
}
}
}
}
#endregion
}
}

32
OpenSim/Region/Environment/Modules/World/Terrain/PaintBrushes/RaiseSphere.cs
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@ -37,23 +37,37 @@ namespace OpenSim.Region.Environment.Modules.World.Terrain.PaintBrushes
public void PaintEffect(ITerrainChannel map, bool[,] mask, double rx, double ry, double rz, double strength, double duration)
{
duration = 0.03; //MCP Should be read from ini file
strength = TerrainUtil.MetersToSphericalStrength(strength);
int s = (int) (Math.Pow(2, strength) + 0.5);
int x;
for (x = 0; x < map.Width; x++)
int xFrom = (int)(rx-s+0.5);
int xTo = (int)(rx+s+0.5) + 1;
int yFrom = (int)(ry-s+0.5);
int yTo = (int)(ry+s+0.5) + 1;
if (xFrom < 0)
xFrom = 0;
if (yFrom < 0)
yFrom = 0;
if (xTo > map.Width)
xTo = map.Width;
if (yTo > map.Width)
yTo = map.Width;
for (x = xFrom; x < xTo; x++)
{
int y;
for (y = 0; y < map.Height; y++)
for (y = yFrom; y < yTo; 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));
// Calculate a cos-sphere and add it to the heighmap
double r = Math.Sqrt((x-rx) * (x-rx) + ((y-ry) * (y-ry)));
double z = Math.Cos(r * Math.PI / (s * 2));
if (z > 0.0)
map[x, y] += z * duration;
}

40
OpenSim/Region/Environment/Modules/World/Terrain/Tests/TerrainTest.cs
View File

@ -37,30 +37,50 @@ namespace OpenSim.Region.Environment.Modules.World.Terrain.Tests
[Test]
public void BrushTest()
{
TerrainChannel map = new TerrainChannel(256, 256);
bool[,] allowMask = new bool[map.Width,map.Height];
bool[,] allowMask = new bool[256, 256];
int x;
int y;
for (x=0; x<map.Width; x++)
for (x=0; x<128; x++)
{
for (y=0; y<map.Height; y++)
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, 23.0, 100, 0.1);
Assert.That(map[128, 128] > 0.0, "Raise brush not raising values.");
Assert.That(map[0, 128] > 0.0, "Raise brush lowering edge values.");
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, 100, 0.1);
Assert.That(map[128, 128] < 0.0, "Lower not lowering values.");
Assert.That(map[0, 128] < 0.0, "Lower brush affecting edge values.");
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).");
}
[Test]