Method clearMatInstList

Engine/source/materials/materialList.cpp:266–288

-------------------------------------------------------------------------- Clear all materials in the mMatInstList member variable --------------------------------------------------------------------------

// Clear all materials in the mMatInstList member variable
//--------------------------------------------------------------------------
void MaterialList::clearMatInstList()
{
   // clear out old materials.  any non null element of the list should be pointing at deletable memory,
   // although multiple indexes may be pointing at the same memory so we have to be careful (see
   // comment in loop body)
   for (U32 i=0; i<mMatInstList.size(); i++)
   {
      if (mMatInstList[i])
      {
         BaseMatInstance* current = mMatInstList[i];

         // ok, since ts material lists can remap difference indexes to the same object 
         // we need to make sure that we don't delete the same memory twice.  walk the 
         // rest of the list and null out any pointers that match the one we deleted.
         for (U32 j=0; j<mMatInstList.size(); j++)
            if (mMatInstList[j] == current)
               mMatInstList[j] = NULL;

         mMatInstList[i] = NULL;
         delete current;
      }
   }
}

//--------------------------------------------------------------------------
// Map materials - map materials to the textures in the list