//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
bool CVRADDispColl::Create( CCoreDispInfo *pDisp )
{
// Base class create.
if( !CDispCollTree::Create( pDisp ) )
return false;
// Allocate VRad specific memory.
m_aLuxelCoords.SetSize( GetSize() );
m_aVertNormals.SetSize( GetSize() );
// VRad specific base surface data.
CCoreDispSurface *pSurf = pDisp->GetSurface();
m_iParent = pSurf->GetHandle();
// VRad specific displacement surface data.
for ( int iVert = 0; iVert < m_aVerts.Count(); ++iVert )
{
pDisp->GetNormal( iVert, m_aVertNormals[iVert] );
pDisp->GetLuxelCoord( 0, iVert, m_aLuxelCoords[iVert] );
}
// Re-calculate the lightmap size (in uv) so that the luxels give
// a better world-space uniform approx. due to the non-linear nature
// of the displacement surface in uv-space
dface_t *pFace = &g_pFaces[m_iParent];
if( pFace )
{
CalcSampleRadius2AndBox( pFace );
}
return true;
}
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
bool CVRADDispColl::Create( CCoreDispInfo *pDisp )
{
// save the face index for later reference
CCoreDispSurface *pSurf = pDisp->GetSurface();
m_ndxParent = pSurf->GetHandle();
// save the size of the displacement surface
m_Power = pDisp->GetPower();
// save the displacement to base face point offset
m_PointOffset = pSurf->GetPointStartIndex();
//
// get base surface points and normals
//
int i;
m_PointCount = pSurf->GetPointCount();
for( i = 0; i < m_PointCount; i++ )
{
Vector point, normal;
pSurf->GetPoint( i, point );
pSurf->GetPointNormal( i, normal );
m_Points[i].Init( point[0], point[1], point[2] );
m_PointNormals[i].Init( normal[0], normal[1], normal[2] );
}
// create the collision data
if( !CDispCollTree::Create( pDisp ) )
return false;
// Set up the luxel data
m_pLuxelCoords = new Vector2D[GetSize()];
assert( m_pLuxelCoords );
for ( i = GetSize(); --i >= 0; )
{
pDisp->GetLuxelCoord( 0, i, m_pLuxelCoords[i] );
}
//
// re-calculate the lightmap size (in uv) so that the luxels give
// a better world-space uniform approx. due to the non-linear nature
// of the displacement surface in uv-space
//
dface_t *pFace = &dfaces[m_ndxParent];
if( pFace )
{
CalcSampleRadius2AndBox( pFace );
}
//
// create the vrad specific node data - build for radiosity transfer,
// don't create for direct lighting only!
//
m_pVNodes = new VNode_t[m_NodeCount];
if( !m_pVNodes )
return false;
BuildVNodes();
return true;
}
