private MeshmerizerMesh GenerateMeshmerizerMesh(Primitive prim)
{
PrimitiveBaseShape primShape = new PrimitiveBaseShape(prim);
MeshmerizerMesh mesh = new MeshmerizerMesh();
float pathShearX = primShape.PathShearX < 128 ? (float)primShape.PathShearX * 0.01f : (float)(primShape.PathShearX - 256) * 0.01f;
float pathShearY = primShape.PathShearY < 128 ? (float)primShape.PathShearY * 0.01f : (float)(primShape.PathShearY - 256) * 0.01f;
float pathBegin = (float)primShape.PathBegin * 2.0e-5f;
float pathEnd = 1.0f - (float)primShape.PathEnd * 2.0e-5f;
float pathScaleX = (float)(primShape.PathScaleX - 100) * 0.01f;
float pathScaleY = (float)(primShape.PathScaleY - 100) * 0.01f;
float profileBegin = (float)primShape.ProfileBegin * 2.0e-5f;
float profileEnd = 1.0f - (float)primShape.ProfileEnd * 2.0e-5f;
float profileHollow = (float)primShape.ProfileHollow * 2.0e-5f;
int sides = 4;
if ((primShape.ProfileCurve & 0x07) == (byte)ProfileShape.EquilateralTriangle)
sides = 3;
else if ((primShape.ProfileCurve & 0x07) == (byte)ProfileShape.Circle)
sides = 24;
else if ((primShape.ProfileCurve & 0x07) == (byte)ProfileShape.HalfCircle)
{
// half circle, prim is a sphere
sides = 24;
profileBegin = 0.5f * profileBegin + 0.5f;
profileEnd = 0.5f * profileEnd + 0.5f;
}
int hollowSides = sides;
if (primShape.HollowShape == HollowShape.Circle)
hollowSides = 24;
else if (primShape.HollowShape == HollowShape.Square)
hollowSides = 4;
else if (primShape.HollowShape == HollowShape.Triangle)
hollowSides = 3;
PrimMesh primMesh = new PrimMesh(sides, profileBegin, profileEnd, profileHollow, hollowSides);
primMesh.topShearX = pathShearX;
primMesh.topShearY = pathShearY;
primMesh.pathCutBegin = pathBegin;
primMesh.pathCutEnd = pathEnd;
if (primShape.PathCurve == (byte)Extrusion.Straight)
{
primMesh.twistBegin = primShape.PathTwistBegin * 18 / 10;
primMesh.twistEnd = primShape.PathTwist * 18 / 10;
primMesh.taperX = pathScaleX;
primMesh.taperY = pathScaleY;
try
{
primMesh.ExtrudeLinear();
}
catch (Exception)
{
return null;
}
}
else
{
primMesh.holeSizeX = (200 - primShape.PathScaleX) * 0.01f;
primMesh.holeSizeY = (200 - primShape.PathScaleY) * 0.01f;
primMesh.radius = 0.01f * primShape.PathRadiusOffset;
primMesh.revolutions = 1.0f + 0.015f * primShape.PathRevolutions;
primMesh.skew = 0.01f * primShape.PathSkew;
primMesh.twistBegin = primShape.PathTwistBegin * 36 / 10;
primMesh.twistEnd = primShape.PathTwist * 36 / 10;
primMesh.taperX = primShape.PathTaperX * 0.01f;
primMesh.taperY = primShape.PathTaperY * 0.01f;
try
{
primMesh.ExtrudeCircular();
}
catch (Exception)
{
return null;
}
}
int numCoords = primMesh.coords.Count;
//int numFaces = primMesh.faces.Count;
List<Coord> coords = primMesh.coords;
for (int i = 0; i < numCoords; i++)
{
Coord c = coords[i];
mesh.vertices.Add(new MeshmerizerVertex(c.X, c.Y, c.Z));
}
mesh.primMesh = primMesh;
// trim the vertex and triangle lists to free up memory
mesh.vertices.TrimExcess();
mesh.triangles.TrimExcess();
return mesh;
}
// Local routine to create a mesh from prim parameters.
// Collects parameters and calls PrimMesher to create all the faces of the prim.
private LibreMetaverse.PrimMesher.PrimMesh GeneratePrimMesh(Primitive prim, DetailLevel lod, bool viewerMode)
{
Primitive.ConstructionData primData = prim.PrimData;
int sides = 4;
int hollowsides = 4;
float profileBegin = primData.ProfileBegin;
float profileEnd = primData.ProfileEnd;
bool isSphere = false;
if ((ProfileCurve)(primData.profileCurve & 0x07) == OMV.ProfileCurve.Circle)
{
switch (lod)
{
case OMVR.DetailLevel.Low:
sides = 6;
break;
case OMVR.DetailLevel.Medium:
sides = 12;
break;
default:
sides = 24;
break;
}
}
else if ((ProfileCurve)(primData.profileCurve & 0x07) == OMV.ProfileCurve.EqualTriangle)
{
sides = 3;
}
else if ((ProfileCurve)(primData.profileCurve & 0x07) == OMV.ProfileCurve.HalfCircle)
{
// half circle, prim is a sphere
isSphere = true;
switch (lod)
{
case OMVR.DetailLevel.Low:
sides = 6;
break;
case OMVR.DetailLevel.Medium:
sides = 12;
break;
default:
sides = 24;
break;
}
profileBegin = 0.5f * profileBegin + 0.5f;
profileEnd = 0.5f * profileEnd + 0.5f;
}
if (primData.ProfileHole == HoleType.Same)
{
hollowsides = sides;
}
else if (primData.ProfileHole == HoleType.Circle)
{
switch (lod)
{
case DetailLevel.Low:
hollowsides = 6;
break;
case DetailLevel.Medium:
hollowsides = 12;
break;
default:
hollowsides = 24;
break;
}
}
else if (primData.ProfileHole == HoleType.Triangle)
{
hollowsides = 3;
}
PrimMesh newPrim =
new PrimMesh(sides, profileBegin, profileEnd, primData.ProfileHollow, hollowsides)
{
viewerMode = viewerMode,
sphereMode = isSphere,
holeSizeX = primData.PathScaleX,
holeSizeY = primData.PathScaleY,
pathCutBegin = primData.PathBegin,
pathCutEnd = primData.PathEnd,
topShearX = primData.PathShearX,
topShearY = primData.PathShearY,
radius = primData.PathRadiusOffset,
revolutions = primData.PathRevolutions,
skew = primData.PathSkew
};
switch (lod)
{
case DetailLevel.Low:
newPrim.stepsPerRevolution = 6;
break;
case DetailLevel.Medium:
newPrim.stepsPerRevolution = 12;
break;
default:
newPrim.stepsPerRevolution = 24;
break;
}
if (primData.PathCurve == PathCurve.Line || primData.PathCurve == PathCurve.Flexible)
{
newPrim.taperX = 1.0f - primData.PathScaleX;
newPrim.taperY = 1.0f - primData.PathScaleY;
newPrim.twistBegin = (int)(180 * primData.PathTwistBegin);
newPrim.twistEnd = (int)(180 * primData.PathTwist);
newPrim.ExtrudeLinear();
}
else
{
newPrim.taperX = primData.PathTaperX;
newPrim.taperY = primData.PathTaperY;
newPrim.twistBegin = (int)(360 * primData.PathTwistBegin);
newPrim.twistEnd = (int)(360 * primData.PathTwist);
newPrim.ExtrudeCircular();
}
return(newPrim);
}
private MeshmerizerMesh GenerateMeshmerizerMesh(Primitive prim)
{
PrimitiveBaseShape primShape = new PrimitiveBaseShape(prim);
MeshmerizerMesh mesh = new MeshmerizerMesh();
float pathShearX = primShape.PathShearX < 128 ? (float)primShape.PathShearX * 0.01f : (float)(primShape.PathShearX - 256) * 0.01f;
float pathShearY = primShape.PathShearY < 128 ? (float)primShape.PathShearY * 0.01f : (float)(primShape.PathShearY - 256) * 0.01f;
float pathBegin = (float)primShape.PathBegin * 2.0e-5f;
float pathEnd = 1.0f - (float)primShape.PathEnd * 2.0e-5f;
float pathScaleX = (float)(primShape.PathScaleX - 100) * 0.01f;
float pathScaleY = (float)(primShape.PathScaleY - 100) * 0.01f;
float profileBegin = (float)primShape.ProfileBegin * 2.0e-5f;
float profileEnd = 1.0f - (float)primShape.ProfileEnd * 2.0e-5f;
float profileHollow = (float)primShape.ProfileHollow * 2.0e-5f;
int sides = 4;
if ((primShape.ProfileCurve & 0x07) == (byte)ProfileShape.EquilateralTriangle)
{
sides = 3;
}
else if ((primShape.ProfileCurve & 0x07) == (byte)ProfileShape.Circle)
{
sides = 24;
}
else if ((primShape.ProfileCurve & 0x07) == (byte)ProfileShape.HalfCircle)
{
// half circle, prim is a sphere
sides = 24;
profileBegin = 0.5f * profileBegin + 0.5f;
profileEnd = 0.5f * profileEnd + 0.5f;
}
int hollowSides = sides;
if (primShape.HollowShape == HollowShape.Circle)
{
hollowSides = 24;
}
else if (primShape.HollowShape == HollowShape.Square)
{
hollowSides = 4;
}
else if (primShape.HollowShape == HollowShape.Triangle)
{
hollowSides = 3;
}
PrimMesh primMesh = new PrimMesh(sides, profileBegin, profileEnd, profileHollow, hollowSides);
primMesh.topShearX = pathShearX;
primMesh.topShearY = pathShearY;
primMesh.pathCutBegin = pathBegin;
primMesh.pathCutEnd = pathEnd;
if (primShape.PathCurve == (byte)Extrusion.Straight)
{
primMesh.twistBegin = primShape.PathTwistBegin * 18 / 10;
primMesh.twistEnd = primShape.PathTwist * 18 / 10;
primMesh.taperX = pathScaleX;
primMesh.taperY = pathScaleY;
try
{
primMesh.ExtrudeLinear();
}
catch (Exception)
{
return(null);
}
}
else
{
primMesh.holeSizeX = (200 - primShape.PathScaleX) * 0.01f;
primMesh.holeSizeY = (200 - primShape.PathScaleY) * 0.01f;
primMesh.radius = 0.01f * primShape.PathRadiusOffset;
primMesh.revolutions = 1.0f + 0.015f * primShape.PathRevolutions;
primMesh.skew = 0.01f * primShape.PathSkew;
primMesh.twistBegin = primShape.PathTwistBegin * 36 / 10;
primMesh.twistEnd = primShape.PathTwist * 36 / 10;
primMesh.taperX = primShape.PathTaperX * 0.01f;
primMesh.taperY = primShape.PathTaperY * 0.01f;
try
{
primMesh.ExtrudeCircular();
}
catch (Exception)
{
return(null);
}
}
int numCoords = primMesh.coords.Count;
//int numFaces = primMesh.faces.Count;
List <Coord> coords = primMesh.coords;
for (int i = 0; i < numCoords; i++)
{
Coord c = coords[i];
mesh.vertices.Add(new MeshmerizerVertex(c.X, c.Y, c.Z));
}
mesh.primMesh = primMesh;
// trim the vertex and triangle lists to free up memory
mesh.vertices.TrimExcess();
mesh.triangles.TrimExcess();
return(mesh);
}
