static void BuildStack()
{
// Get log data
vector<CLog> vL;
int nL = ReadLogs( vL, gArgs.zmin, gArgs.zmax );
if( gArgs.table )
Tabulate( vL, nL );
if( !nL )
return;
// Make layer TForms
vector<TAffine> vT( nL );
MakeTAffines( vT, vL );
// Calculate bounds
DBox B;
MakeBounds( B, vL, vT );
// Write
WriteTrakEM2( "LowRes.xml", B, vL, vT );
}
//-----------------------------------------------------------------------------
// Generates the PoseToBone Matrix nessecary to align the given bone with the
// world.
//-----------------------------------------------------------------------------
static void ScreenAlignBone( matrix3x4_t *pPoseToWorld, mstudiobone_t *pCurBone,
const Vector& vecViewOrigin, const matrix3x4_t &boneToWorld )
{
// Grab the world translation:
Vector vT( boneToWorld[0][3], boneToWorld[1][3], boneToWorld[2][3] );
// Construct the coordinate frame:
// Initialized to get rid of compiler
Vector vX, vY, vZ;
if( pCurBone->flags & BONE_SCREEN_ALIGN_SPHERE )
{
vX = vecViewOrigin - vT;
VectorNormalize(vX);
vZ = Vector(0,0,1);
vY = vZ.Cross(vX);
VectorNormalize(vY);
vZ = vX.Cross(vY);
VectorNormalize(vZ);
}
else
{
Assert( pCurBone->flags & BONE_SCREEN_ALIGN_CYLINDER );
vX.Init( boneToWorld[0][0], boneToWorld[1][0], boneToWorld[2][0] );
vZ = vecViewOrigin - vT;
VectorNormalize(vZ);
vY = vZ.Cross(vX);
VectorNormalize(vY);
vZ = vX.Cross(vY);
VectorNormalize(vZ);
}
matrix3x4_t matBoneBillboard(
vX.x, vY.x, vZ.x, vT.x,
vX.y, vY.y, vZ.y, vT.y,
vX.z, vY.z, vZ.z, vT.z );
ConcatTransforms( matBoneBillboard, pCurBone->poseToBone, *pPoseToWorld );
}
