//-----------------------------------------------------------------------
//typedef std::vector<PathCoordinate> PathIntersection;
public static void _extrudeIntersectionImpl(ref TriangleBuffer buffer, std_vector <MultiPath.PathCoordinate> intersection, MultiPath multiPath, Shape shape, Track shapeTextureTrack)
{
Vector3 intersectionLocation = multiPath.getPath((int)intersection[0].pathIndex).getPoint((int)intersection[0].pointIndex);
Quaternion firstOrientation = Utils._computeQuaternion(multiPath.getPath((int)intersection[0].pathIndex).getDirectionBefore((int)intersection[0].pointIndex));
Vector3 refX = firstOrientation * Vector3.UNIT_X;
Vector3 refZ = firstOrientation * Vector3.UNIT_Z;
std_vector <Vector2> v2s = new std_vector <Vector2>();
std_vector <MultiPath.PathCoordinate> coords = new std_vector <MultiPath.PathCoordinate>();
std_vector <float> direction = new std_vector <float>();
for (int i = 0; i < intersection.size(); ++i)
{
Path path = multiPath.getPath((int)intersection[i].pathIndex);
int pointIndex = (int)intersection[i].pointIndex;
if (pointIndex > 0 || path.isClosed())
{
Vector3 vb = path.getDirectionBefore(pointIndex);
Vector2 vb2 = new Vector2(vb.DotProduct(refX), vb.DotProduct(refZ));
v2s.push_back(vb2);
coords.push_back(intersection[i]);
direction.push_back(1);
}
if (pointIndex < path.getSegCount() || path.isClosed())
{
Vector3 va = -path.getDirectionAfter(pointIndex);
Vector2 va2 = new Vector2(va.DotProduct(refX), va.DotProduct(refZ));
v2s.push_back(va2);
coords.push_back(intersection[i]);
direction.push_back(-1);
}
}
std_map <Radian, int> angles = new std_map <Radian, int>();
for (int i = 1; i < v2s.Count; ++i)
{
//angles[Utils.angleTo(v2s[0], v2s[i])] = i;
angles.insert(Utils.angleTo(v2s[0], v2s[i]), i);
}
std_vector <int> orderedIndices = new std_vector <int>();
orderedIndices.push_back(0);
//for (std_map<Radian, int>.Enumerator it = angles.begin(); it != angles.end(); ++it)
foreach (var it in angles)
{
orderedIndices.push_back(it.Value);
}
for (int i = 0; i < orderedIndices.size(); ++i)
{
int idx = orderedIndices[i];
int idxBefore = orderedIndices[Utils.modulo(i - 1, orderedIndices.Count)];
int idxAfter = orderedIndices[Utils.modulo(i + 1, orderedIndices.Count)];
Radian angleBefore = (Utils.angleBetween(v2s[idx], v2s[idxBefore]) - (Radian)Math.PI) / 2;
Radian angleAfter = ((Radian)Math.PI - Utils.angleBetween(v2s[idx], v2s[idxAfter])) / 2;
int pointIndex = (int)((int)coords[idx].pointIndex - direction[idx]);
Path path = multiPath.getPath((int)coords[idx].pathIndex);
Quaternion qStd = Utils._computeQuaternion(path.getAvgDirection(pointIndex) * direction[idx]);
float lineicPos = 0f;
float uTexCoord = path.getLengthAtPoint(pointIndex) / path.getTotalLength();
// Shape making the joint with "standard extrusion"
_extrudeShape(ref buffer, shape, path.getPoint(pointIndex), qStd, qStd, 1.0f, 1.0f, 1.0f, shape.getTotalLength(), uTexCoord, true, shapeTextureTrack);
// Modified shape at the intersection
Quaternion q = new Quaternion();
if (direction[idx] > 0f)
{
q = Utils._computeQuaternion(path.getDirectionBefore((int)coords[idx].pointIndex));
}
else
{
q = Utils._computeQuaternion(-path.getDirectionAfter((int)coords[idx].pointIndex));
}
Quaternion qLeft = q * new Quaternion(angleBefore, Vector3.UNIT_Y);
Quaternion qRight = q * new Quaternion(angleAfter, Vector3.UNIT_Y);
float scaleLeft = 1.0f / Math.Abs(Math.Cos(angleBefore));
float scaleRight = 1.0f / Math.Abs(Math.Cos(angleAfter));
uTexCoord = path.getLengthAtPoint((int)coords[idx].pointIndex) / path.getTotalLength();
_extrudeShape(ref buffer, shape, path.getPoint((int)coords[idx].pointIndex), qLeft, qRight, 1.0f, scaleLeft, scaleRight, shape.getTotalLength(), uTexCoord, false, shapeTextureTrack);
}
}
// *
// * Builds the mesh into the given TriangleBuffer
// * @param buffer The TriangleBuffer on where to append the mesh.
// * @exception Ogre::InvalidStateException Either shape or multishape must be defined!
// * @exception Ogre::InvalidStateException Required parameter is zero!
//
//-----------------------------------------------------------------------
//
//ORIGINAL LINE: void addToTriangleBuffer(TriangleBuffer& buffer) const
public override void addToTriangleBuffer(ref TriangleBuffer buffer)
{
if (mMultiShapeToExtrude.getShapeCount() == 0)
{
OGRE_EXCEPT("Ogre::Exception::ERR_INVALID_STATE", "At least one shape must be defined!", "Procedural::Extruder::addToTriangleBuffer(Procedural::TriangleBuffer)");
}
;
// Triangulate the begin and end caps
if (mCapped && mMultiShapeToExtrude.isClosed())
{
GlobalMembers._extrudeCapImpl(ref buffer, mMultiShapeToExtrude, mMultiExtrusionPath, mScaleTracks, mRotationTracks);
}
// Extrude the paths contained in multiExtrusionPath
for (uint j = 0; j < mMultiExtrusionPath.getPathCount(); ++j)
{
Path extrusionPath = mMultiExtrusionPath.getPath((int)j);
Track rotationTrack = null;
if (mRotationTracks.find(j) != -1) // mRotationTracks.end()) {
{
rotationTrack = mRotationTracks[j]; //mRotationTracks.find(j).second;
extrusionPath = extrusionPath.mergeKeysWithTrack(mRotationTracks[j]); // (*mRotationTracks.find(j).second);
}
Track scaleTrack = null;
if (mScaleTracks.find(j) != -1) // mScaleTracks.end()) {
{
rotationTrack = mScaleTracks[j]; //mScaleTracks.find(j).second;
extrusionPath = extrusionPath.mergeKeysWithTrack(mScaleTracks[j]); // (*mScaleTracks.find(j).second);
}
Track pathTextureTrack = null;
if (mPathTextureTracks.find(j) != -1) // mPathTextureTracks.end()) {
{
pathTextureTrack = mPathTextureTracks[j]; //mPathTextureTracks.find(j).second;
extrusionPath = extrusionPath.mergeKeysWithTrack(mPathTextureTracks[j]); //(*mPathTextureTracks.find(j).second);
}
std_vector <std_pair <uint, uint> > segs = mMultiExtrusionPath.getNoIntersectionParts(j);
//for (List<std.pair<uint, uint>>.Enumerator it = segs.GetEnumerator(); it.MoveNext(); ++it) {
foreach (var it in segs)
{
for (uint i = 0; i < mMultiShapeToExtrude.getShapeCount(); i++)
{
Shape shapeToExtrude = mMultiShapeToExtrude.getShape(i);
Track shapeTextureTrack = null;
if (mShapeTextureTracks.find(i) != -1) // mShapeTextureTracks.end()) {
{
shapeTextureTrack = mShapeTextureTracks[i]; //mShapeTextureTracks.find(i).second;
shapeToExtrude.mergeKeysWithTrack(shapeTextureTrack);
}
GlobalMembers._extrudeBodyImpl(ref buffer, shapeToExtrude, extrusionPath, (int)it.first, (int)it.second, shapeTextureTrack, rotationTrack, scaleTrack, pathTextureTrack);
}
}
// Make the intersections
//typedef std::vector<PathCoordinate> PathIntersection;
std_vector <std_vector <MultiPath.PathCoordinate> > intersections = mMultiExtrusionPath.getIntersections();
//for (List<MultiPath.PathIntersection>.Enumerator it = intersections.GetEnumerator(); it.MoveNext(); ++it) {
foreach (var it in intersections)
{
for (uint i = 0; i < mMultiShapeToExtrude.getShapeCount(); i++)
{
Track shapeTextureTrack = null;
if (mShapeTextureTracks.find(i) != -1) // mShapeTextureTracks.end())
{
shapeTextureTrack = mShapeTextureTracks[i]; //mShapeTextureTracks.find(i).second;
}
GlobalMembers._extrudeIntersectionImpl(ref buffer, it, mMultiExtrusionPath, mMultiShapeToExtrude.getShape(i), shapeTextureTrack);
}
}
}
}
//-----------------------------------------------------------------------
public static void _extrudeCapImpl(ref TriangleBuffer buffer, MultiShape multiShapeToExtrude, MultiPath extrusionMultiPath, TrackMap scaleTracks, TrackMap rotationTracks)
{
std_vector <int> indexBuffer = new std_vector <int>();
// PointList pointList;
std_vector <Vector2> pointList = new std_vector <Vector2>();
Triangulator t = new Triangulator();
t.setMultiShapeToTriangulate(multiShapeToExtrude);
t.triangulate(indexBuffer, pointList);
for (uint i = 0; i < extrusionMultiPath.getPathCount(); ++i)
{
Path extrusionPath = extrusionMultiPath.getPath((int)i);
Track scaleTrack = null;
Track rotationTrack = null;
if (scaleTracks.find(i) != -1) // scaleTracks.end())
{
scaleTrack = scaleTracks[i]; //.find(i).second;
}
if (rotationTracks.find(i) != -1) // rotationTracks.end())
{
rotationTrack = rotationTracks[i]; //.find(i).second;
}
//begin cap
//if (extrusionMultiPath.getIntersectionsMap().find(MultiPath.PathCoordinate(i, 0)) == extrusionMultiPath.getIntersectionsMap().end())
if (extrusionMultiPath.getIntersectionsMap().find(new MultiPath.PathCoordinate(i, 0)) == -1)
{
buffer.rebaseOffset();
buffer.estimateIndexCount((uint)indexBuffer.Count);
buffer.estimateVertexCount((uint)pointList.Count);
Quaternion qBegin = Utils._computeQuaternion(extrusionPath.getDirectionAfter(0));
if (rotationTrack != null)
{
float angle = rotationTrack.getFirstValue();
qBegin = qBegin * new Quaternion((Radian)angle, Vector3.UNIT_Z);
}
float scaleBegin = 1.0f;
if (scaleTrack != null)
{
scaleBegin = scaleTrack.getFirstValue();
}
for (int j = 0; j < pointList.size(); j++)
{
Vector2 vp2 = pointList[j];
Vector3 vp = new Vector3(vp2.x, vp2.y, 0);
Vector3 normal = -Vector3.UNIT_Z;
Vector3 newPoint = extrusionPath.getPoint(0) + qBegin * (scaleBegin * vp);
buffer.vertex(newPoint, qBegin * normal, vp2);
}
for (int i2 = 0; i2 < indexBuffer.Count / 3; i2++)
{
buffer.index(indexBuffer[i2 * 3]);
buffer.index(indexBuffer[i2 * 3 + 2]);
buffer.index(indexBuffer[i2 * 3 + 1]);
}
}
//end cap
//if (extrusionMultiPath.getIntersectionsMap().find(MultiPath.PathCoordinate(i, extrusionPath.getSegCount())) == extrusionMultiPath.getIntersectionsMap().end())
if (extrusionMultiPath.getIntersectionsMap().find(new MultiPath.PathCoordinate(i, (uint)extrusionPath.getSegCount())) == -1)
{
buffer.rebaseOffset();
buffer.estimateIndexCount((uint)indexBuffer.Count);
buffer.estimateVertexCount((uint)pointList.Count);
Quaternion qEnd = Utils._computeQuaternion(extrusionPath.getDirectionBefore(extrusionPath.getSegCount()));
if (rotationTrack != null)
{
float angle = rotationTrack.getLastValue();
qEnd = qEnd * new Quaternion((Radian)angle, Vector3.UNIT_Z);
}
float scaleEnd = 1.0f;
if (scaleTrack != null)
{
scaleEnd = scaleTrack.getLastValue();
}
for (int j = 0; j < pointList.Count; j++)
{
Vector2 vp2 = pointList[j];
Vector3 vp = new Vector3(vp2.x, vp2.y, 0f);
//C++ TO C# CONVERTER WARNING: The following line was determined to be a copy constructor call - this should be verified and a copy constructor should be created if it does not yet exist:
//ORIGINAL LINE: Vector3 normal = Vector3::UNIT_Z;
Vector3 normal = (Vector3.UNIT_Z);
Vector3 newPoint = extrusionPath.getPoint(extrusionPath.getSegCount()) + qEnd * (scaleEnd * vp);
buffer.vertex(newPoint, qEnd * normal, vp2);
}
for (int ii = 0; ii < indexBuffer.Count / 3; ii++)
{
buffer.index(indexBuffer[ii * 3]);
buffer.index(indexBuffer[ii * 3 + 1]);
buffer.index(indexBuffer[ii * 3 + 2]);
}
}
}
}