//-----------------------------------------------------------------------------
// Purpose: Initialize the cull box with the bounds of the faces.
//-----------------------------------------------------------------------------
void CMapClass::SetCullBoxFromFaceList( CMapFaceList *pFaces )
{
//
// Calculate our 3D bounds.
//
m_CullBox.ResetBounds();
for (int i = 0; i < pFaces->Count(); i++)
{
CMapFace *pFace = pFaces->Element(i);
int nPoints = pFace->GetPointCount();
for (int i = 0; i < nPoints; i++)
{
Vector point;
pFace->GetPoint(point, i);
//
// Push the culling box out in all directions.
// TODO: rotate the culling box based on the cone orientation
//
for (int nDim = 0; nDim < 3; nDim++)
{
m_CullBox.bmins[0] = min(m_CullBox.bmins[0], m_Origin[0] - point[nDim]);
m_CullBox.bmins[1] = min(m_CullBox.bmins[1], m_Origin[1] - point[nDim]);
m_CullBox.bmins[2] = min(m_CullBox.bmins[2], m_Origin[2] - point[nDim]);
m_CullBox.bmaxs[0] = max(m_CullBox.bmaxs[0], m_Origin[0] + point[nDim]);
m_CullBox.bmaxs[1] = max(m_CullBox.bmaxs[1], m_Origin[1] + point[nDim]);
m_CullBox.bmaxs[2] = max(m_CullBox.bmaxs[2], m_Origin[2] + point[nDim]);
}
}
}
}
//-----------------------------------------------------------------------------
// Purpose: Repairs an invalid solid.
// Input : pError - Contains information about the error.
//-----------------------------------------------------------------------------
static void FixSolidStructure(MapError *pError)
{
CMapSolid *pSolid = (CMapSolid *)pError->pObjects[0];
//
// First make sure all the faces are good.
//
int nFaces = pSolid->GetFaceCount();
for (int i = nFaces - 1; i >= 0; i--)
{
CMapFace *pFace = pSolid->GetFace(i);
if (!pFace->CheckFace(NULL))
{
pFace->Fix();
}
//
// If the face has no points, just remove it from the solid.
//
if (pFace->GetPointCount() == 0)
{
pSolid->DeleteFace(i);
}
}
//
// Rebuild the solid from the planes.
//
pSolid->CreateFromPlanes();
pSolid->PostUpdate(Notify_Changed);
}