static public TopCellInfo GenerateInfo(NativeArray <MergeCellInfo> mergeInfoArray, int index, float cornerDistance, float rightDistance, float topRightDistance, float topDistance, ref int nextVertex, ref int nextTriIndex, bool hasTriangle)
{
MergeCellInfo mergeCell = mergeInfoArray[index];
MergeTriInfo mergeInfo = mergeCell.mergedInfo;
if (mergeCell.canBeMerged)
{
byte indexLength = (byte)(mergeInfo.triangleCount * 3);
byte config = CalcConfiguration(cornerDistance, rightDistance, topRightDistance, topDistance);
var cellInfo = new TopCellInfo()
{
info = new CellInfo()
{
config = config, cornerDist = cornerDistance, rightDist = rightDistance, topDist = topDistance
},
verts = new CellVertices {
corner = -1, leftEdge = -1, bottomEdge = -1
},
tris = new IndexSpan(nextTriIndex, indexLength)
};
if (hasTriangle)
{
nextTriIndex += indexLength;
}
if (mergeCell.needsVertex)
{
cellInfo.verts.corner = nextVertex;
++nextVertex;
}
return(cellInfo);
}
else
{
return(hasTriangle ?
TopCellMesher.GenerateInfoWithTriangles(cornerDistance, rightDistance, topRightDistance, topDistance, ref nextVertex, ref nextTriIndex) :
TopCellMesher.GenerateInfoNoTriangles(cornerDistance, rightDistance, topRightDistance, topDistance, ref nextVertex, ref nextTriIndex));
}
}
private int VertexIndexB2(MergeTriInfo tri) => infoArray[tri.triB2Cell].verts.corner;
public void CalculateIndices(Orderer orderer, byte config, int triangleIndex, MergeTriInfo mergeInfo, IndexSpan tris, CellVertices bl, CellVertices br, CellVertices tr, CellVertices tl)
{
if (mergeInfo.triangleCount > 0)
{
if (mergeInfo.triangleCount == 1)
{
orderer.AddTriangle(triangles, ref triangleIndex, VertexIndexA0(mergeInfo), VertexIndexA1(mergeInfo), VertexIndexA2(mergeInfo));
}
else if (mergeInfo.triangleCount == 2)
{
orderer.AddTriangle(triangles, ref triangleIndex, VertexIndexA0(mergeInfo), VertexIndexA1(mergeInfo), VertexIndexA2(mergeInfo));
orderer.AddTriangle(triangles, ref triangleIndex, VertexIndexB0(mergeInfo), VertexIndexB1(mergeInfo), VertexIndexB2(mergeInfo));
}
}
else
{
TopCellMesher.CalculateIndices(orderer, config, triangleIndex, tris, bl, br, tr, tl, triangles);
}
}
