///////////////////////////////////////////////////////////////
//
// CAdditionalVertexStreamManager::MaybeSetAdditionalVertexStream
//
// Returns true if did set
//
///////////////////////////////////////////////////////////////
bool CAdditionalVertexStreamManager::MaybeSetAdditionalVertexStream ( D3DPRIMITIVETYPE PrimitiveType,INT BaseVertexIndex,UINT MinVertexIndex,UINT NumVertices,UINT startIndex,UINT primCount )
{
// Cache info
SCurrentStateInfo state;
// Save call arguments
state.args.PrimitiveType = PrimitiveType;
state.args.BaseVertexIndex = BaseVertexIndex;
state.args.MinVertexIndex = MinVertexIndex;
state.args.NumVertices = NumVertices;
state.args.startIndex = startIndex;
state.args.primCount = primCount;
// Cache info about state streams etc
UpdateCurrentStateInfo ( state );
// For now, this only works if the original has 3 decl elements (0:D, 1:P, 1:T) and stream 1 has a stride of 20
if ( !CheckCanDoThis ( state ) )
return false;
SetAdditionalVertexStream ( state );
return true;
}
///////////////////////////////////////////////////////////////
//
// CVertexStreamBoundingBoxManager::GetDistanceSqToGeometry
//
//
//
///////////////////////////////////////////////////////////////
float CVertexStreamBoundingBoxManager::GetDistanceSqToGeometry ( D3DPRIMITIVETYPE PrimitiveType,INT BaseVertexIndex,UINT MinVertexIndex,UINT NumVertices,UINT startIndex,UINT primCount )
{
// Cache info
SCurrentStateInfo2 state;
// Save call arguments
state.args.PrimitiveType = PrimitiveType;
state.args.BaseVertexIndex = BaseVertexIndex;
state.args.MinVertexIndex = MinVertexIndex;
state.args.NumVertices = NumVertices;
state.args.startIndex = startIndex;
state.args.primCount = primCount;
// Check can do this
if ( !CheckCanDoThis ( state ) )
return 0.f;
CBox boundingBox;
if ( !GetVertexStreamBoundingBox ( state, boundingBox ) )
return 0.f;
return CalcDistanceSq ( state, boundingBox );
}
