/*
============
idAASFileLocal::BoundsReachableAreaNum_r
============
*/
int idAASFileLocal::BoundsReachableAreaNum_r( int nodeNum, const idBounds &bounds, const int areaFlags, const int excludeTravelFlags ) const {
int res;
const aasNode_t *node;
while( nodeNum ) {
if ( nodeNum < 0 ) {
if ( ( areas[-nodeNum].flags & areaFlags ) && ( ( areas[-nodeNum].travelFlags & excludeTravelFlags ) == 0 ) ) {
return -nodeNum;
}
return 0;
}
node = &nodes[nodeNum];
res = bounds.PlaneSide( planeList[node->planeNum] );
if ( res == PLANESIDE_BACK ) {
nodeNum = node->children[1];
}
else if ( res == PLANESIDE_FRONT ) {
nodeNum = node->children[0];
}
else {
nodeNum = BoundsReachableAreaNum_r( node->children[1], bounds, areaFlags, excludeTravelFlags );
if ( nodeNum ) {
return nodeNum;
}
nodeNum = node->children[0];
}
}
return 0;
}
