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Some improvements to prim face numbering - only affects viewers using PrimMesher

trunk
Dahlia Trimble 2009-07-11 04:53:41 +00:00
parent d54aac41d2
commit 3f2ee8915d
1 changed files with 17 additions and 11 deletions
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26
OpenSim/Region/Physics/Meshing/PrimMesher.cs
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@ -910,25 +910,31 @@ namespace PrimMesher
if (calcVertexNormals)
{ // calculate prim face numbers
// face number order is top, outer, hollow, bottom, start cut, end cut
// I know it's ugly but so is the whole concept of prim face numbers
int faceNum = 1;
int faceNum = 1; // start with outer faces
int startVert = hasProfileCut && !hasHollow ? 1 : 0;
if (startVert > 0)
this.faceNumbers.Add(0);
for (int i = 0; i < numOuterVerts; i++)
this.faceNumbers.Add(-1);
for (int i = 0; i < numOuterVerts - 1; i++)
this.faceNumbers.Add(sides < 5 ? faceNum++ : faceNum);
this.faceNumbers.Add(hasProfileCut ? -1 : faceNum++);
if (sides > 4)
faceNum++;
if (hasProfileCut)
this.faceNumbers.Add(0);
if (hasHollow)
{
for (int i = 0; i < numHollowVerts; i++)
//this.faceNumbers.Add(faceNum++);
this.faceNumbers.Add(hollowSides < 5 ? faceNum++ : faceNum);
this.faceNumbers.Add(faceNum);
faceNum++;
}
this.bottomFaceNumber = faceNum++;
if (hasHollow && hasProfileCut)
this.faceNumbers.Add(faceNum++);
for (int i = 0; i < this.faceNumbers.Count; i++)
if (this.faceNumbers[i] == 0)
if (this.faceNumbers[i] == -1)
this.faceNumbers[i] = faceNum++;
this.numPrimFaces = faceNum;
@ -1373,7 +1379,7 @@ namespace PrimMesher
if (this.viewerMode)
{
Coord faceNormal = newLayer.faceNormal;
ViewerFace newViewerFace = new ViewerFace(0);
ViewerFace newViewerFace = new ViewerFace(profile.bottomFaceNumber);
int numFaces = newLayer.faces.Count;
List<Face> faces = newLayer.faces;
@ -1568,7 +1574,7 @@ namespace PrimMesher
// add the top faces to the viewerFaces list here
Coord faceNormal = newLayer.faceNormal;
ViewerFace newViewerFace = new ViewerFace();
newViewerFace.primFaceNumber = newLayer.bottomFaceNumber;
newViewerFace.primFaceNumber = 0;
int numFaces = newLayer.faces.Count;
List<Face> faces = newLayer.faces;