Method buildConvex

Engine/source/T3D/shapeBase.cpp:2881–2931

}

void ShapeBase::buildConvex(const Box3F& box, Convex* convex)
{
   if (mShapeInstance == NULL)
      return;

   // These should really come out of a pool
   mConvexList->collectGarbage();

   Box3F realBox = box;
   mWorldToObj.mul(realBox);
   realBox.minExtents.convolveInverse(mObjScale);
   realBox.maxExtents.convolveInverse(mObjScale);

   if (realBox.isOverlapped(getObjBox()) == false)
      return;

   for (U32 i = 0; i < mDataBlock->collisionDetails.size(); i++)
   {
         Box3F newbox = mDataBlock->collisionBounds[i];
         newbox.minExtents.convolve(mObjScale);
         newbox.maxExtents.convolve(mObjScale);
         mObjToWorld.mul(newbox);
         if (box.isOverlapped(newbox) == false)
            continue;

         // See if this hull exists in the working set already...
         Convex* cc = 0;
         CollisionWorkingList& wl = convex->getWorkingList();
         for (CollisionWorkingList* itr = wl.wLink.mNext; itr != &wl; itr = itr->wLink.mNext) {
            if (itr->mConvex->getType() == ShapeBaseConvexType &&
                (static_cast<ShapeBaseConvex*>(itr->mConvex)->pShapeBase == this &&
                 static_cast<ShapeBaseConvex*>(itr->mConvex)->hullId     == i)) {
               cc = itr->mConvex;
               break;
            }
         }
         if (cc)
            continue;

         // Create a new convex.
         ShapeBaseConvex* cp = new ShapeBaseConvex;
         mConvexList->registerObject(cp);
         convex->addToWorkingList(cp);
         cp->mObject    = this;
         cp->pShapeBase = this;
         cp->hullId     = i;
         cp->box        = mDataBlock->collisionBounds[i];
         cp->transform = 0;
         cp->findNodeTransform();
   }
}


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