void VertexArray::Add(
const unsigned char newcol[], int newcolcount,
const float newnorm[], int newnormcount,
const float newvert[], int newvertcount,
const int newfaces[], int newfacecount,
const float newtc[], int newtccount)
{
assert(texcoords.size() == 1);
SetFaces(newfaces, newfacecount, faces.size(), vertices.size() / 3);
SetVertices(newvert, newvertcount, vertices.size());
SetNormals(newnorm, newnormcount, normals.size());
SetColors(newcol, newcolcount, colors.size());
SetTexCoords(0, newtc, newtccount, texcoords[0].size());
}
void plInterMeshSmooth::SmoothNormals(hsTArray<plSpanHandle>& sets)
{
hsTArray<uint16_t>* shareVtx = new hsTArray<uint16_t>[sets.GetCount()];
hsTArray<uint16_t>* edgeVerts = new hsTArray<uint16_t>[sets.GetCount()];
FindEdges(sets, edgeVerts);
int i;
for( i = 0; i < sets.GetCount()-1; i++ )
{
int j;
for( j = edgeVerts[i].GetCount()-1; j >= 0; --j )
{
hsPoint3 pos = GetPosition(sets[i], edgeVerts[i][j]);
hsVector3 normAccum = GetNormal(sets[i], edgeVerts[i][j]);;
shareVtx[i].Append(edgeVerts[i][j]);
int k;
for( k = i+1; k < sets.GetCount(); k++ )
{
FindSharedVerts(pos, sets[k], edgeVerts[k], shareVtx[k], normAccum);
}
normAccum.Normalize();
GetNormal(sets[i], edgeVerts[i][j]) = normAccum;
for( k = i+1; k < sets.GetCount(); k++ )
{
SetNormals(sets[k], shareVtx[k], normAccum);
}
// Now remove all the shared verts (which we just processed)
// from edgeVerts so we don't process them again.
for( k = i; k < sets.GetCount(); k++ )
{
int m;
for( m = 0; m < shareVtx[k].GetCount(); m++ )
{
int idx = edgeVerts[k].Find(shareVtx[k][m]);
hsAssert(idx != edgeVerts[k].kMissingIndex, "Lost vertex between find and remove");
edgeVerts[k].Remove(idx);
}
shareVtx[k].SetCount(0);
}
}
}
delete [] shareVtx;
delete [] edgeVerts;
}
void VertexArray::SetToBillboard(float x1, float y1, float x2, float y2)
{
int bfaces[6];
bfaces[0] = 0;
bfaces[1] = 1;
bfaces[2] = 2;
bfaces[3] = 0;
bfaces[4] = 2;
bfaces[5] = 3;
SetFaces(bfaces, 6);
float normals[12];
for (int i = 0; i < 12; i+=3)
{
normals[i] = 0;
normals[i+1] = 0;
normals[i+2] = 1;
}
SetNormals(normals, 12);
//build this:
//x1, y1, 0
//x2, y1, 0
//x2, y2, 0
//x1, y2, 0
float verts[12];
verts[2] = verts[5] = verts[8] = verts[11] = 0.0;
verts[0] = verts[9] = x1;
verts[3] = verts[6] = x2;
verts[1] = verts[4] = y1;
verts[7] = verts[10] = y2;
SetVertices(verts, 12);
float tc[8];
tc[0] = tc[1] = tc[3] = tc[6] = 0.0;
tc[2] = tc[4] = tc[5] = tc[7] = 1.0;
SetTexCoordSets(1);
SetTexCoords(0, tc, 8);
}
