public string Next(int length, string?alphabet = null) => Prefix + Rsg.Next(length, alphabet);
public ISg SetParameters(AbstractTraversal t)
{
if (!m_isInitialized)
{
var info = m_instance.PatchFileInfo;
var bb = m_instance.PositionsType == PositionsType.V3dPositions ?
info.LocalBoundingBox : info.LocalBoundingBox2d;
var patch = new StreamingJob(
() =>
{
//TaskCombinators.Delay(100);
//do importer logic here
var patchVg = m_instance.LoadingStrategy.Load(m_instance.PatchFileInfo, m_instance.PatchFilePath, m_instance.PositionsType,
true, true, true, m_instance.MaxTriangleSize);
if (patchVg == null)
{
return(EmptyLeaf.Singleton);
}
var lodColor = Patch.GetLodColor(m_instance.Level, m_instance.MaxLevel);
patchVg["LodColor"] = lodColor;
for (int i = 0; i < patchVg.Textures.Count; i++)
{
var key = patchVg.Textures.Keys.ToList()[i];
var source = patchVg.Textures[key].Convertible;
Convertible target = null;
if (t.Renderer is SlimDx9Renderer)
{
target = SlimDx9TextureConvertible.Create(
new SlimDx9TextureConvertible.SlimDx9TextureParameters()
{
//SlimDx9Format = SlimDX.Direct3D9.Format., // .Dxt5,
Pool = SlimDX.Direct3D9.Pool.Default
});
source.ConvertInto(target);
}
else
{
// nothing todo in slimdx10renderer (this just loads the texture on demand)
// fix this if you are fed up with framerate hick ups
target = source;
}
patchVg.Textures[key] = new Texture(target);
}
lock (asyncLock)
{
m_asyncTextures = patchVg.Textures;
}
return(patchVg.ToVertexGeometrySet());
},
bb, m_instance.MaxLevel - m_instance.Level, true);
patch.DestructSideEffects = DisposeSideEffects;
var placeHolder = Primitives.WireBox(bb, C4b.Red).ToVertexGeometrySet();
m_returnISg = new AsyncStreamingNode(patch, placeHolder)
{
DebugName = Path.GetFileName(m_instance.PatchFilePath),
};
var local2Global = m_instance.PatchFileInfo.GetLocal2Global(m_instance.PositionsType);
if (m_instance.InvertZ)
{
local2Global = M44d.Scale(1, 1, -1) * local2Global;
}
var global2Local = local2Global.Inverse;
m_returnISg = Rsg.Apply(Rsg.Attribute.PushTrafo3d(new Trafo3d(local2Global, global2Local)), m_returnISg);
m_isInitialized = true;
}
return(m_returnISg);
}
private static ISg LodBoxHierarchy(
int level, Volume <ISg> vgsVolume, LevelOfDetailSettings settings, int maxLevel)
{
int detailCount = 1;
if (vgsVolume.SX > 1)
{
detailCount *= 2;
}
if (vgsVolume.SY > 1)
{
detailCount *= 2;
}
if (vgsVolume.SZ > 1)
{
detailCount *= 2;
}
//detail count is 1 when space is not dividable
#region detailCount == 1
if (detailCount == 1)
{
//if level > 0 keep subsampling without subdivision
if (level > 0) //|| ( level == 0 && (vgsVolume[0, 0, 0].TileSize.X > 256 || vgsVolume[0, 0, 0].TileSize.Y > 256)))
{
var detailNodeList = LodBoxHierarchy(level - 1, vgsVolume, settings, maxLevel).IntoList();
var dist = DistanceFunc(level - 1, settings);
Report.Line("LOD.cs Level " + level + " " + dist);
var box = new Sg.LodBox()
{
Name = "level" + level,
DetailNodes = detailNodeList,
Settings = new LodBoxSettings
{
Distance = dist,
DeciderCombination = "Distance, ScreenPixToTriSize, ScreenPixToTexPix, VisualImpact => Distance",
},
};
box["TileLayout"] = GetTileLayout(vgsVolume.Dim);
return(box);
}
return(vgsVolume[0, 0, 0]);
}
#endregion
var detailNodes = new List <ISg>(detailCount);
for (int i = 0; i < 8; i++)
{
bool valid = true;
V3l origin = V3l.Zero;
V3l length = vgsVolume.Size;
//compute splitting dimensions for each axis
for (int dim = 0; dim < 3; dim++)
{
if ((i & (1 << dim)) == 0)
{
if (length[dim] > 1)
{
length[dim] /= 2;
}
}
else
{
if (length[dim] > 1)
{
origin[dim] = length[dim] / 2;
length[dim] = length[dim] - origin[dim];
}
else
{
valid = false;
}
}
}
if (valid)
{
ISg detailNode =
LodBoxHierarchy(level - 1, vgsVolume.SubVolume(origin, length), settings, maxLevel);
detailNodes.Add(detailNode);
}
}
{
var dist = LevelOfDetail.DistanceFunc(level - 1, settings);
//Report.Line("LOD.cs Level " + level + " " + dist);
bool isMax = false; // level == maxLevel;
var box = new Sg.LodBox()
{
Name = "level" + level,
DetailNodes = detailNodes,
Pinned = Sg.LodBox.PinnedOptions.Default,
Settings = new LodBoxSettings
{
Distance = dist,
DeciderCombination = !isMax ? "Distance, ScreenPixToTriSize, ScreenPixToTexPix, VisualImpact => Distance"
: "Distance, ScreenPixToTriSize, ScreenPixToTexPix, VisualImpact => false",
},
};
// s_numOfBoxes++;
box["TileLayout"] = GetTileLayout(vgsVolume.Dim);
//Report.Line("DIM: " + vgsVolume.Dim.ToString() + " "
// + box["TileLayout"].ToString() + " __lvl: "
// + level + " Desc.: " + box.DetailNodes.Count());
var sg = Rsg.Apply(
new ResourcePinningEnabledValue()
{
Value = level == maxLevel
}, box);
return(box);
}
}