/// <summary>
/// Write points of a plane.
/// </summary>
/// <param name="subMeshIndex">Index of the submesh (texture group) to work with.</param>
/// <param name="planeIn">Source plane.</param>
private int WritePlane(int subMeshIndex, ref PurePlane planeIn)
{
// Handle planes with greater than 3 points
if (planeIn.Points.Length > 3)
{
return(WriteVariablePlane(subMeshIndex, ref planeIn));
}
// Add new point buffer to submesh buffer
int planeIndex = subMeshBuffer[subMeshIndex].planeCount;
subMeshBuffer[subMeshIndex].PlaneBuffer[planeIndex].PointBuffer = new DFMesh.DFPoint[pointBufferLength];
subMeshBuffer[subMeshIndex].planeCount++;
// Calculate UV coordinates for points 1, 2 (points 1 & 2 are deltas that are added to the previous point)
planeIn.Points[1].u += planeIn.Points[0].u;
planeIn.Points[1].v += planeIn.Points[0].v;
planeIn.Points[2].u += planeIn.Points[1].u;
planeIn.Points[2].v += planeIn.Points[1].v;
// Write the 3 points
WritePoint(ref planeIn.Points[0], ref subMeshBuffer[subMeshIndex].PlaneBuffer[planeIndex]);
WritePoint(ref planeIn.Points[1], ref subMeshBuffer[subMeshIndex].PlaneBuffer[planeIndex]);
WritePoint(ref planeIn.Points[2], ref subMeshBuffer[subMeshIndex].PlaneBuffer[planeIndex]);
// Store UV generation method of this plane
subMeshBuffer[subMeshIndex].PlaneBuffer[planeIndex].UVGenerationMethod = DFMesh.UVGenerationMethods.TriangleOnly;
return(planeIndex);
}
/// <summary>
/// Write a N-point triangle fan to buffer by finding corners.
/// </summary>
/// <param name="subMeshIndex">Index of the submesh (texture group) to work with.</param>
/// <param name="planeIn">Source plane.</param>
private int WriteVariablePlane(int subMeshIndex, ref PurePlane planeIn)
{
// Add new point buffer to submesh buffer
int planeIndex = subMeshBuffer[subMeshIndex].planeCount;
subMeshBuffer[subMeshIndex].PlaneBuffer[planeIndex].PointBuffer = new DFMesh.DFPoint[pointBufferLength];
subMeshBuffer[subMeshIndex].planeCount++;
// Find corner points
int cornerCount = GetCornerPoints(ref planeIn.Points);
// Calculate UV coordinates of all points
if (faceUVTool.ComputeFaceUVCoordinates(ref planeIn.Points, ref calculatedUVBuffer))
{
// Copy calculated UV coordinates
for (int pt = 0; pt < planeIn.Points.Length; pt++)
{
planeIn.Points[pt].u = calculatedUVBuffer[pt].u;
planeIn.Points[pt].v = calculatedUVBuffer[pt].v;
}
// Store UV generation method of this plane
subMeshBuffer[subMeshIndex].PlaneBuffer[planeIndex].UVGenerationMethod = DFMesh.UVGenerationMethods.ModifedMatrixGenerator;
}
// Write first 3 points
int cornerPos = 0;
WritePoint(ref planeIn.Points[cornerPointBuffer[cornerPos++]], ref subMeshBuffer[subMeshIndex].PlaneBuffer[planeIndex]);
WritePoint(ref planeIn.Points[cornerPointBuffer[cornerPos++]], ref subMeshBuffer[subMeshIndex].PlaneBuffer[planeIndex]);
WritePoint(ref planeIn.Points[cornerPointBuffer[cornerPos++]], ref subMeshBuffer[subMeshIndex].PlaneBuffer[planeIndex]);
// Write remaining points
while (cornerPos < cornerCount)
{
WritePoint(ref planeIn.Points[cornerPointBuffer[cornerPos++]], ref subMeshBuffer[subMeshIndex].PlaneBuffer[planeIndex]);
}
return(planeIndex);
}
/// <summary>
/// Write a N-point triangle fan to buffer by finding corners.
/// </summary>
/// <param name="subMeshIndex">Index of the submesh (texture group) to work with.</param>
/// <param name="planeIn">Source plane.</param>
private int WriteVariablePlane(int subMeshIndex, ref PurePlane planeIn)
{
// Add new point buffer to submesh buffer
int planeIndex = subMeshBuffer[subMeshIndex].planeCount;
subMeshBuffer[subMeshIndex].PlaneBuffer[planeIndex].PointBuffer = new DFMesh.DFPoint[pointBufferLength];
subMeshBuffer[subMeshIndex].planeCount++;
// Find corner points
int cornerCount = GetCornerPoints(ref planeIn.Points);
// Calculate UV coordinates of all points
if (faceUVTool.ComputeFaceUVCoordinates(ref planeIn.Points, ref calculatedUVBuffer))
{
// Copy calculated UV coordinates
for (int pt = 0; pt < planeIn.Points.Length; pt++)
{
planeIn.Points[pt].u = calculatedUVBuffer[pt].u;
planeIn.Points[pt].v = calculatedUVBuffer[pt].v;
}
// Store UV generation method of this plane
subMeshBuffer[subMeshIndex].PlaneBuffer[planeIndex].UVGenerationMethod = DFMesh.UVGenerationMethods.ModifedMatrixGenerator;
}
// Write first 3 points
int cornerPos = 0;
WritePoint(ref planeIn.Points[cornerPointBuffer[cornerPos++]], ref subMeshBuffer[subMeshIndex].PlaneBuffer[planeIndex]);
WritePoint(ref planeIn.Points[cornerPointBuffer[cornerPos++]], ref subMeshBuffer[subMeshIndex].PlaneBuffer[planeIndex]);
WritePoint(ref planeIn.Points[cornerPointBuffer[cornerPos++]], ref subMeshBuffer[subMeshIndex].PlaneBuffer[planeIndex]);
// Write remaining points
while (cornerPos < cornerCount)
{
WritePoint(ref planeIn.Points[cornerPointBuffer[cornerPos++]], ref subMeshBuffer[subMeshIndex].PlaneBuffer[planeIndex]);
}
return planeIndex;
}
/// <summary>
/// Write points of a plane.
/// </summary>
/// <param name="subMeshIndex">Index of the submesh (texture group) to work with.</param>
/// <param name="planeIn">Source plane.</param>
private int WritePlane(int subMeshIndex, ref PurePlane planeIn)
{
// Handle planes with greater than 3 points
if (planeIn.Points.Length > 3)
return WriteVariablePlane(subMeshIndex, ref planeIn);
// Add new point buffer to submesh buffer
int planeIndex = subMeshBuffer[subMeshIndex].planeCount;
subMeshBuffer[subMeshIndex].PlaneBuffer[planeIndex].PointBuffer = new DFMesh.DFPoint[pointBufferLength];
subMeshBuffer[subMeshIndex].planeCount++;
// Calculate UV coordinates for points 1, 2 (points 1 & 2 are deltas that are added to the previous point)
planeIn.Points[1].u += planeIn.Points[0].u;
planeIn.Points[1].v += planeIn.Points[0].v;
planeIn.Points[2].u += planeIn.Points[1].u;
planeIn.Points[2].v += planeIn.Points[1].v;
// Write the 3 points
WritePoint(ref planeIn.Points[0], ref subMeshBuffer[subMeshIndex].PlaneBuffer[planeIndex]);
WritePoint(ref planeIn.Points[1], ref subMeshBuffer[subMeshIndex].PlaneBuffer[planeIndex]);
WritePoint(ref planeIn.Points[2], ref subMeshBuffer[subMeshIndex].PlaneBuffer[planeIndex]);
// Store UV generation method of this plane
subMeshBuffer[subMeshIndex].PlaneBuffer[planeIndex].UVGenerationMethod = DFMesh.UVGenerationMethods.TriangleOnly;
return planeIndex;
}