From 5d3723a47f7ddb32964055561ecf2a601f6b19f2 Mon Sep 17 00:00:00 2001
From: dahlia
Date: Fri, 13 Jul 2012 21:22:15 -0700
Subject: update PrimMesher.cs to dll version r72 which fixes some path errors
in sliced linear prims. Addresses Mantis #6085
---
OpenSim/Region/Physics/Meshing/PrimMesher.cs | 326 +++++++++++++++------------
1 file changed, 183 insertions(+), 143 deletions(-)
(limited to 'OpenSim/Region/Physics/Meshing/PrimMesher.cs')
diff --git a/OpenSim/Region/Physics/Meshing/PrimMesher.cs b/OpenSim/Region/Physics/Meshing/PrimMesher.cs
index 53022ad..4049ee1 100644
--- a/OpenSim/Region/Physics/Meshing/PrimMesher.cs
+++ b/OpenSim/Region/Physics/Meshing/PrimMesher.cs
@@ -236,6 +236,13 @@ namespace PrimMesher
this.U = u;
this.V = v;
}
+
+ public UVCoord Flip()
+ {
+ this.U = 1.0f - this.U;
+ this.V = 1.0f - this.V;
+ return this;
+ }
}
public struct Face
@@ -603,40 +610,40 @@ namespace PrimMesher
///
/// generates a profile for extrusion
///
- internal class Profile
+ public class Profile
{
private const float twoPi = 2.0f * (float)Math.PI;
- internal string errorMessage = null;
+ public string errorMessage = null;
- internal List coords;
- internal List faces;
- internal List vertexNormals;
- internal List us;
- internal List faceUVs;
- internal List faceNumbers;
+ public List coords;
+ public List faces;
+ public List vertexNormals;
+ public List us;
+ public List faceUVs;
+ public List faceNumbers;
// use these for making individual meshes for each prim face
- internal List outerCoordIndices = null;
- internal List hollowCoordIndices = null;
- internal List cut1CoordIndices = null;
- internal List cut2CoordIndices = null;
+ public List outerCoordIndices = null;
+ public List hollowCoordIndices = null;
+ public List cut1CoordIndices = null;
+ public List cut2CoordIndices = null;
- internal Coord faceNormal = new Coord(0.0f, 0.0f, 1.0f);
- internal Coord cutNormal1 = new Coord();
- internal Coord cutNormal2 = new Coord();
+ public Coord faceNormal = new Coord(0.0f, 0.0f, 1.0f);
+ public Coord cutNormal1 = new Coord();
+ public Coord cutNormal2 = new Coord();
- internal int numOuterVerts = 0;
- internal int numHollowVerts = 0;
+ public int numOuterVerts = 0;
+ public int numHollowVerts = 0;
- internal int outerFaceNumber = -1;
- internal int hollowFaceNumber = -1;
+ public int outerFaceNumber = -1;
+ public int hollowFaceNumber = -1;
- internal bool calcVertexNormals = false;
- internal int bottomFaceNumber = 0;
- internal int numPrimFaces = 0;
+ public bool calcVertexNormals = false;
+ public int bottomFaceNumber = 0;
+ public int numPrimFaces = 0;
- internal Profile()
+ public Profile()
{
this.coords = new List();
this.faces = new List();
@@ -646,7 +653,7 @@ namespace PrimMesher
this.faceNumbers = new List();
}
- internal Profile(int sides, float profileStart, float profileEnd, float hollow, int hollowSides, bool createFaces, bool calcVertexNormals)
+ public Profile(int sides, float profileStart, float profileEnd, float hollow, int hollowSides, bool createFaces, bool calcVertexNormals)
{
this.calcVertexNormals = calcVertexNormals;
this.coords = new List();
@@ -657,7 +664,6 @@ namespace PrimMesher
this.faceNumbers = new List();
Coord center = new Coord(0.0f, 0.0f, 0.0f);
- //bool hasCenter = false;
List hollowCoords = new List();
List hollowNormals = new List();
@@ -682,8 +688,8 @@ namespace PrimMesher
float yScale = 0.5f;
if (sides == 4) // corners of a square are sqrt(2) from center
{
- xScale = 0.707f;
- yScale = 0.707f;
+ xScale = 0.707107f;
+ yScale = 0.707107f;
}
float startAngle = profileStart * twoPi;
@@ -724,7 +730,6 @@ namespace PrimMesher
else if (!simpleFace)
{
this.coords.Add(center);
- //hasCenter = true;
if (this.calcVertexNormals)
this.vertexNormals.Add(new Coord(0.0f, 0.0f, 1.0f));
this.us.Add(0.0f);
@@ -752,7 +757,10 @@ namespace PrimMesher
else
hollowNormals.Add(new Coord(-angle.X, -angle.Y, 0.0f));
- hollowUs.Add(angle.angle * hollow);
+ if (hollowSides == 4)
+ hollowUs.Add(angle.angle * hollow * 0.707107f);
+ else
+ hollowUs.Add(angle.angle * hollow);
}
}
}
@@ -829,9 +837,6 @@ namespace PrimMesher
if (createFaces)
{
- //int numOuterVerts = this.coords.Count;
- //numOuterVerts = this.coords.Count;
- //int numHollowVerts = hollowCoords.Count;
int numTotalVerts = this.numOuterVerts + this.numHollowVerts;
if (this.numOuterVerts == this.numHollowVerts)
@@ -993,11 +998,7 @@ namespace PrimMesher
if (startVert > 0)
this.faceNumbers.Add(-1);
for (int i = 0; i < this.numOuterVerts - 1; i++)
- //this.faceNumbers.Add(sides < 5 ? faceNum++ : faceNum);
- this.faceNumbers.Add(sides < 5 && i < sides ? faceNum++ : faceNum);
-
- //if (!hasHollow && !hasProfileCut)
- // this.bottomFaceNumber = faceNum++;
+ this.faceNumbers.Add(sides < 5 && i <= sides ? faceNum++ : faceNum);
this.faceNumbers.Add(hasProfileCut ? -1 : faceNum++);
@@ -1014,8 +1015,7 @@ namespace PrimMesher
this.hollowFaceNumber = faceNum++;
}
- //if (hasProfileCut || hasHollow)
- // this.bottomFaceNumber = faceNum++;
+
this.bottomFaceNumber = faceNum++;
if (hasHollow && hasProfileCut)
@@ -1030,19 +1030,19 @@ namespace PrimMesher
}
- internal void MakeFaceUVs()
+ public void MakeFaceUVs()
{
this.faceUVs = new List();
foreach (Coord c in this.coords)
- this.faceUVs.Add(new UVCoord(0.5f + c.X, 0.5f - c.Y));
+ this.faceUVs.Add(new UVCoord(1.0f - (0.5f + c.X), 1.0f - (0.5f - c.Y)));
}
- internal Profile Copy()
+ public Profile Copy()
{
return this.Copy(true);
}
- internal Profile Copy(bool needFaces)
+ public Profile Copy(bool needFaces)
{
Profile copy = new Profile();
@@ -1071,12 +1071,12 @@ namespace PrimMesher
return copy;
}
- internal void AddPos(Coord v)
+ public void AddPos(Coord v)
{
this.AddPos(v.X, v.Y, v.Z);
}
- internal void AddPos(float x, float y, float z)
+ public void AddPos(float x, float y, float z)
{
int i;
int numVerts = this.coords.Count;
@@ -1092,7 +1092,7 @@ namespace PrimMesher
}
}
- internal void AddRot(Quat q)
+ public void AddRot(Quat q)
{
int i;
int numVerts = this.coords.Count;
@@ -1113,7 +1113,7 @@ namespace PrimMesher
}
}
- internal void Scale(float x, float y)
+ public void Scale(float x, float y)
{
int i;
int numVerts = this.coords.Count;
@@ -1131,7 +1131,7 @@ namespace PrimMesher
///
/// Changes order of the vertex indices and negates the center vertex normal. Does not alter vertex normals of radial vertices
///
- internal void FlipNormals()
+ public void FlipNormals()
{
int i;
int numFaces = this.faces.Count;
@@ -1171,7 +1171,7 @@ namespace PrimMesher
}
}
- internal void AddValue2FaceVertexIndices(int num)
+ public void AddValue2FaceVertexIndices(int num)
{
int numFaces = this.faces.Count;
Face tmpFace;
@@ -1186,7 +1186,7 @@ namespace PrimMesher
}
}
- internal void AddValue2FaceNormalIndices(int num)
+ public void AddValue2FaceNormalIndices(int num)
{
if (this.calcVertexNormals)
{
@@ -1204,7 +1204,7 @@ namespace PrimMesher
}
}
- internal void DumpRaw(String path, String name, String title)
+ public void DumpRaw(String path, String name, String title)
{
if (path == null)
return;
@@ -1261,6 +1261,15 @@ namespace PrimMesher
public void Create(PathType pathType, int steps)
{
+ if (this.taperX > 0.999f)
+ this.taperX = 0.999f;
+ if (this.taperX < -0.999f)
+ this.taperX = -0.999f;
+ if (this.taperY > 0.999f)
+ this.taperY = 0.999f;
+ if (this.taperY < -0.999f)
+ this.taperY = -0.999f;
+
if (pathType == PathType.Linear || pathType == PathType.Flexible)
{
int step = 0;
@@ -1273,12 +1282,12 @@ namespace PrimMesher
float start = -0.5f;
float stepSize = length / (float)steps;
- float percentOfPathMultiplier = stepSize;
- float xOffset = 0.0f;
- float yOffset = 0.0f;
+ float percentOfPathMultiplier = stepSize * 0.999999f;
+ float xOffset = this.topShearX * this.pathCutBegin;
+ float yOffset = this.topShearY * this.pathCutBegin;
float zOffset = start;
- float xOffsetStepIncrement = this.topShearX / steps;
- float yOffsetStepIncrement = this.topShearY / steps;
+ float xOffsetStepIncrement = this.topShearX * length / steps;
+ float yOffsetStepIncrement = this.topShearY * length / steps;
float percentOfPath = this.pathCutBegin;
zOffset += percentOfPath;
@@ -1573,13 +1582,6 @@ namespace PrimMesher
this.hollow = 0.99f;
if (hollow < 0.0f)
this.hollow = 0.0f;
-
- //if (sphereMode)
- // this.hasProfileCut = this.profileEnd - this.profileStart < 0.4999f;
- //else
- // //this.hasProfileCut = (this.profileStart > 0.0f || this.profileEnd < 1.0f);
- // this.hasProfileCut = this.profileEnd - this.profileStart < 0.9999f;
- //this.hasHollow = (this.hollow > 0.001f);
}
///
@@ -1614,10 +1616,9 @@ namespace PrimMesher
steps = (int)(steps * 4.5 * length);
}
- if (sphereMode)
+ if (this.sphereMode)
this.hasProfileCut = this.profileEnd - this.profileStart < 0.4999f;
else
- //this.hasProfileCut = (this.profileStart > 0.0f || this.profileEnd < 1.0f);
this.hasProfileCut = this.profileEnd - this.profileStart < 0.9999f;
this.hasHollow = (this.hollow > 0.001f);
@@ -1630,6 +1631,22 @@ namespace PrimMesher
float hollow = this.hollow;
+ if (pathType == PathType.Circular)
+ {
+ needEndFaces = false;
+ if (this.pathCutBegin != 0.0f || this.pathCutEnd != 1.0f)
+ needEndFaces = true;
+ else if (this.taperX != 0.0f || this.taperY != 0.0f)
+ needEndFaces = true;
+ else if (this.skew != 0.0f)
+ needEndFaces = true;
+ else if (twistTotal != 0.0f)
+ needEndFaces = true;
+ else if (this.radius != 0.0f)
+ needEndFaces = true;
+ }
+ else needEndFaces = true;
+
// sanity checks
float initialProfileRot = 0.0f;
if (pathType == PathType.Circular)
@@ -1689,20 +1706,13 @@ namespace PrimMesher
this.numPrimFaces = profile.numPrimFaces;
- //profileOuterFaceNumber = profile.faceNumbers[0];
- //if (!needEndFaces)
- // profileOuterFaceNumber--;
- //profileOuterFaceNumber = needEndFaces ? 1 : 0;
-
-
- //if (hasHollow)
- //{
- // if (needEndFaces)
- // profileHollowFaceNumber = profile.faceNumbers[profile.numOuterVerts + 1];
- // else
- // profileHollowFaceNumber = profile.faceNumbers[profile.numOuterVerts] - 1;
- //}
-
+ int cut1FaceNumber = profile.bottomFaceNumber + 1;
+ int cut2FaceNumber = cut1FaceNumber + 1;
+ if (!needEndFaces)
+ {
+ cut1FaceNumber -= 2;
+ cut2FaceNumber -= 2;
+ }
profileOuterFaceNumber = profile.outerFaceNumber;
if (!needEndFaces)
@@ -1732,7 +1742,8 @@ namespace PrimMesher
Coord lastCutNormal1 = new Coord();
Coord lastCutNormal2 = new Coord();
- float lastV = 1.0f;
+ float thisV = 0.0f;
+ float lastV = 0.0f;
Path path = new Path();
path.twistBegin = twistBegin;
@@ -1754,23 +1765,6 @@ namespace PrimMesher
path.Create(pathType, steps);
-
- if (pathType == PathType.Circular)
- {
- needEndFaces = false;
- if (this.pathCutBegin != 0.0f || this.pathCutEnd != 1.0f)
- needEndFaces = true;
- else if (this.taperX != 0.0f || this.taperY != 0.0f)
- needEndFaces = true;
- else if (this.skew != 0.0f)
- needEndFaces = true;
- else if (twistTotal != 0.0f)
- needEndFaces = true;
- else if (this.radius != 0.0f)
- needEndFaces = true;
- }
- else needEndFaces = true;
-
for (int nodeIndex = 0; nodeIndex < path.pathNodes.Count; nodeIndex++)
{
PathNode node = path.pathNodes[nodeIndex];
@@ -1784,7 +1778,7 @@ namespace PrimMesher
{
newLayer.FlipNormals();
- // add the top faces to the viewerFaces list here
+ // add the bottom faces to the viewerFaces list
if (this.viewerMode)
{
Coord faceNormal = newLayer.faceNormal;
@@ -1811,6 +1805,13 @@ namespace PrimMesher
newViewerFace.uv2 = newLayer.faceUVs[face.v2];
newViewerFace.uv3 = newLayer.faceUVs[face.v3];
+ if (pathType == PathType.Linear)
+ {
+ newViewerFace.uv1.Flip();
+ newViewerFace.uv2.Flip();
+ newViewerFace.uv3.Flip();
+ }
+
this.viewerFaces.Add(newViewerFace);
}
}
@@ -1835,7 +1836,10 @@ namespace PrimMesher
// fill faces between layers
int numVerts = newLayer.coords.Count;
- Face newFace = new Face();
+ Face newFace1 = new Face();
+ Face newFace2 = new Face();
+
+ thisV = 1.0f - node.percentOfPath;
if (nodeIndex > 0)
{
@@ -1853,14 +1857,23 @@ namespace PrimMesher
int whichVert = i - startVert;
- newFace.v1 = i;
- newFace.v2 = i - numVerts;
- newFace.v3 = iNext - numVerts;
- this.faces.Add(newFace);
+ newFace1.v1 = i;
+ newFace1.v2 = i - numVerts;
+ newFace1.v3 = iNext;
+
+ newFace1.n1 = newFace1.v1;
+ newFace1.n2 = newFace1.v2;
+ newFace1.n3 = newFace1.v3;
+ this.faces.Add(newFace1);
- newFace.v2 = iNext - numVerts;
- newFace.v3 = iNext;
- this.faces.Add(newFace);
+ newFace2.v1 = iNext;
+ newFace2.v2 = i - numVerts;
+ newFace2.v3 = iNext - numVerts;
+
+ newFace2.n1 = newFace2.v1;
+ newFace2.n2 = newFace2.v2;
+ newFace2.n3 = newFace2.v3;
+ this.faces.Add(newFace2);
if (this.viewerMode)
{
@@ -1873,10 +1886,16 @@ namespace PrimMesher
ViewerFace newViewerFace1 = new ViewerFace(primFaceNum);
ViewerFace newViewerFace2 = new ViewerFace(primFaceNum);
- float u1 = newLayer.us[whichVert];
+ int uIndex = whichVert;
+ if (!hasHollow && sides > 4 && uIndex < newLayer.us.Count - 1)
+ {
+ uIndex++;
+ }
+
+ float u1 = newLayer.us[uIndex];
float u2 = 1.0f;
- if (whichVert < newLayer.us.Count - 1)
- u2 = newLayer.us[whichVert + 1];
+ if (uIndex < (int)newLayer.us.Count - 1)
+ u2 = newLayer.us[uIndex + 1];
if (whichVert == cut1Vert || whichVert == cut2Vert)
{
@@ -1894,13 +1913,22 @@ namespace PrimMesher
u1 -= (int)u1;
if (u2 < 0.1f)
u2 = 1.0f;
- //this.profileOuterFaceNumber = primFaceNum;
}
- else if (whichVert > profile.coords.Count - profile.numHollowVerts - 1)
+ }
+
+ if (this.sphereMode)
+ {
+ if (whichVert != cut1Vert && whichVert != cut2Vert)
{
- u1 *= 2.0f;
- u2 *= 2.0f;
- //this.profileHollowFaceNumber = primFaceNum;
+ u1 = u1 * 2.0f - 1.0f;
+ u2 = u2 * 2.0f - 1.0f;
+
+ if (whichVert >= newLayer.numOuterVerts)
+ {
+ u1 -= hollow;
+ u2 -= hollow;
+ }
+
}
}
@@ -1908,37 +1936,39 @@ namespace PrimMesher
newViewerFace1.uv2.U = u1;
newViewerFace1.uv3.U = u2;
- newViewerFace1.uv1.V = 1.0f - node.percentOfPath;
+ newViewerFace1.uv1.V = thisV;
newViewerFace1.uv2.V = lastV;
- newViewerFace1.uv3.V = lastV;
+ newViewerFace1.uv3.V = thisV;
- newViewerFace2.uv1.U = u1;
- newViewerFace2.uv2.U = u2;
+ newViewerFace2.uv1.U = u2;
+ newViewerFace2.uv2.U = u1;
newViewerFace2.uv3.U = u2;
- newViewerFace2.uv1.V = 1.0f - node.percentOfPath;
+ newViewerFace2.uv1.V = thisV;
newViewerFace2.uv2.V = lastV;
- newViewerFace2.uv3.V = 1.0f - node.percentOfPath;
+ newViewerFace2.uv3.V = lastV;
- newViewerFace1.v1 = this.coords[i];
- newViewerFace1.v2 = this.coords[i - numVerts];
- newViewerFace1.v3 = this.coords[iNext - numVerts];
+ newViewerFace1.v1 = this.coords[newFace1.v1];
+ newViewerFace1.v2 = this.coords[newFace1.v2];
+ newViewerFace1.v3 = this.coords[newFace1.v3];
- newViewerFace2.v1 = this.coords[i];
- newViewerFace2.v2 = this.coords[iNext - numVerts];
- newViewerFace2.v3 = this.coords[iNext];
+ newViewerFace2.v1 = this.coords[newFace2.v1];
+ newViewerFace2.v2 = this.coords[newFace2.v2];
+ newViewerFace2.v3 = this.coords[newFace2.v3];
- newViewerFace1.coordIndex1 = i;
- newViewerFace1.coordIndex2 = i - numVerts;
- newViewerFace1.coordIndex3 = iNext - numVerts;
+ newViewerFace1.coordIndex1 = newFace1.v1;
+ newViewerFace1.coordIndex2 = newFace1.v2;
+ newViewerFace1.coordIndex3 = newFace1.v3;
- newViewerFace2.coordIndex1 = i;
- newViewerFace2.coordIndex2 = iNext - numVerts;
- newViewerFace2.coordIndex3 = iNext;
+ newViewerFace2.coordIndex1 = newFace2.v1;
+ newViewerFace2.coordIndex2 = newFace2.v2;
+ newViewerFace2.coordIndex3 = newFace2.v3;
// profile cut faces
if (whichVert == cut1Vert)
{
+ newViewerFace1.primFaceNumber = cut1FaceNumber;
+ newViewerFace2.primFaceNumber = cut1FaceNumber;
newViewerFace1.n1 = newLayer.cutNormal1;
newViewerFace1.n2 = newViewerFace1.n3 = lastCutNormal1;
@@ -1947,10 +1977,14 @@ namespace PrimMesher
}
else if (whichVert == cut2Vert)
{
+ newViewerFace1.primFaceNumber = cut2FaceNumber;
+ newViewerFace2.primFaceNumber = cut2FaceNumber;
newViewerFace1.n1 = newLayer.cutNormal2;
- newViewerFace1.n2 = newViewerFace1.n3 = lastCutNormal2;
+ newViewerFace1.n2 = lastCutNormal2;
+ newViewerFace1.n3 = lastCutNormal2;
- newViewerFace2.n1 = newViewerFace2.n3 = newLayer.cutNormal2;
+ newViewerFace2.n1 = newLayer.cutNormal2;
+ newViewerFace2.n3 = newLayer.cutNormal2;
newViewerFace2.n2 = lastCutNormal2;
}
@@ -1963,13 +1997,13 @@ namespace PrimMesher
}
else
{
- newViewerFace1.n1 = this.normals[i];
- newViewerFace1.n2 = this.normals[i - numVerts];
- newViewerFace1.n3 = this.normals[iNext - numVerts];
+ newViewerFace1.n1 = this.normals[newFace1.n1];
+ newViewerFace1.n2 = this.normals[newFace1.n2];
+ newViewerFace1.n3 = this.normals[newFace1.n3];
- newViewerFace2.n1 = this.normals[i];
- newViewerFace2.n2 = this.normals[iNext - numVerts];
- newViewerFace2.n3 = this.normals[iNext];
+ newViewerFace2.n1 = this.normals[newFace2.n1];
+ newViewerFace2.n2 = this.normals[newFace2.n2];
+ newViewerFace2.n3 = this.normals[newFace2.n3];
}
}
@@ -1982,14 +2016,13 @@ namespace PrimMesher
lastCutNormal1 = newLayer.cutNormal1;
lastCutNormal2 = newLayer.cutNormal2;
- lastV = 1.0f - node.percentOfPath;
+ lastV = thisV;
if (needEndFaces && nodeIndex == path.pathNodes.Count - 1 && viewerMode)
{
// add the top faces to the viewerFaces list here
Coord faceNormal = newLayer.faceNormal;
- ViewerFace newViewerFace = new ViewerFace();
- newViewerFace.primFaceNumber = 0;
+ ViewerFace newViewerFace = new ViewerFace(0);
int numFaces = newLayer.faces.Count;
List faces = newLayer.faces;
@@ -2012,6 +2045,13 @@ namespace PrimMesher
newViewerFace.uv2 = newLayer.faceUVs[face.v2 - coordsLen];
newViewerFace.uv3 = newLayer.faceUVs[face.v3 - coordsLen];
+ if (pathType == PathType.Linear)
+ {
+ newViewerFace.uv1.Flip();
+ newViewerFace.uv2.Flip();
+ newViewerFace.uv3.Flip();
+ }
+
this.viewerFaces.Add(newViewerFace);
}
}
--
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