bool CBotSwitch :: Execute(CBotStack* &pj)
{
CBotStack* pile1 = pj->AddStack(this); // adds an item to the stack
// if ( pile1 == EOX ) return true;
CBotInstr* p = m_Block; // first expression
int state = pile1->GetState();
if (state == 0)
{
if ( !m_Value->Execute(pile1) ) return false;
pile1->SetState(state = -1);
}
if ( pile1->IfStep() ) return false;
if ( state == -1 )
{
state = 0;
int val = pile1->GetVal(); // result of the value
CBotStack* pile2 = pile1->AddStack();
while ( p != nullptr ) // search for the corresponding case in a list
{
state++;
if ( p->CompCase( pile2, val ) ) break; // found the case
p = p->GetNext();
}
pile2->Delete();
if ( p == nullptr ) return pj->Return(pile1); // completed if nothing
if ( !pile1->SetState(state) ) return false;
}
p = m_Block; // returns to the beginning
while (state-->0) p = p->GetNext(); // advance in the list
while( p != nullptr )
{
if ( !p->Execute(pile1) ) return pj->BreakReturn(pile1);
if ( !pile1->IncState() ) return false;
p = p->GetNext();
}
return pj->Return(pile1);
}
