internal void BuildDrawInfo(PathGraph graph)
{
FreeVBs();
List <Vector3> verts = new List <Vector3>();
List <Vector3> norms = new List <Vector3>();
List <UInt32> indexes = new List <UInt32>();
List <int> vertCounts = new List <int>();
graph.GetNodePolys(verts, indexes, norms, vertCounts);
if (verts.Count == 0)
{
return;
}
VPosNormCol0 [] nodeVerts = new VPosNormCol0[verts.Count];
for (int i = 0; i < nodeVerts.Length; i++)
{
nodeVerts[i].Position = verts[i] + Vector3.UnitY; //boost up 1
nodeVerts[i].Normal.X = norms[i].X;
nodeVerts[i].Normal.Y = norms[i].Y;
nodeVerts[i].Normal.Z = norms[i].Z;
nodeVerts[i].Normal.W = 1f;
}
int idx = 0;
for (int i = 0; i < vertCounts.Count; i++)
{
Color col = Mathery.RandomColor(mRand);
for (int j = 0; j < vertCounts[i]; j++)
{
nodeVerts[idx + j].Color0 = col;
}
idx += vertCounts[i];
}
mVBNodes = VertexTypes.BuildABuffer(mGD.GD, nodeVerts, VertexTypes.GetIndex(nodeVerts[0].GetType()));
mIBNodes = VertexTypes.BuildAnIndexBuffer(mGD.GD, indexes.ToArray());
mVBBNodes = VertexTypes.BuildAVBB(VertexTypes.GetIndex(nodeVerts[0].GetType()), mVBNodes);
mNodeIndexCount = indexes.Count;
//connexions
List <PathGraph.LineSeg> segz = graph.GetNodeConnections();
if (segz.Count <= 0)
{
return;
}
VPosNormCol0 [] segVerts = new VPosNormCol0[segz.Count * 3];
UInt32 index = 0;
indexes.Clear();
foreach (PathGraph.LineSeg seg in segz)
{
Color col = Mathery.RandomColor(mRand);
//endpoint
segVerts[index].Position = seg.mB;
Vector3 lineVec = seg.mB - seg.mA;
//get a perpindicular axis to the a to b axis
//so the back side of the connection can flare out a bit
Vector3 crossVec = Vector3.Cross(lineVec, Vector3.UnitY);
crossVec.Normalize();
Vector3 normVec = Vector3.Cross(crossVec, lineVec);
normVec.Normalize();
crossVec *= 2f;
segVerts[index + 1].Position = seg.mA - crossVec + Mathery.RandomDirectionXZ(mRand);
segVerts[index + 2].Position = seg.mA + crossVec + Mathery.RandomDirectionXZ(mRand);
segVerts[index].Color0 = col;
segVerts[index + 1].Color0 = col;
segVerts[index + 2].Color0 = col;
//adjust up
segVerts[index].Position += Vector3.UnitY * 2f;
segVerts[index + 1].Position += Vector3.UnitY * 1.7f;
segVerts[index + 2].Position += Vector3.UnitY * 1.7f;
Half4 norm;
norm.X = normVec.X;
norm.Y = normVec.Y;
norm.Z = normVec.Z;
norm.W = 1f;
segVerts[index].Normal = norm;
segVerts[index + 1].Normal = norm;
segVerts[index + 2].Normal = norm;
indexes.Add(index);
indexes.Add(index + 1);
indexes.Add(index + 2);
index += 3;
}
mVBCons = VertexTypes.BuildABuffer(mGD.GD, segVerts, VertexTypes.GetIndex(segVerts[0].GetType()));
mIBCons = VertexTypes.BuildAnIndexBuffer(mGD.GD, indexes.ToArray());
mVBBCons = VertexTypes.BuildAVBB(VertexTypes.GetIndex(segVerts[0].GetType()), mVBCons);
mConIndexCount = indexes.Count;
}
