public override int Eval()
{
Game g = Game.GetInstance();
g.Debug("Returning constant:" + val);
return(val);
}
public override void Execute()
{
Game g = Game.GetInstance();
if (expr.Eval())
{
g.Debug("condition is true. executing body");
body.Execute();
}
else if (elseNode != null)
{
g.Debug("condition is false. executing else");
elseNode.Execute();
}
}
public override void Execute()
{
Game g = Game.GetInstance();
int val = rhs.Eval();
g.Debug("Setting " + obj + "." + attr + " to " + val);
g.SetObjectAttr(Node.GetLhsObj(obj), attr, val);
}
public bool Eval()
{
Game g = Game.GetInstance();
g.Debug("Evaluating:" + text);
if (op.opType == Opr.EQ)
{
return(lhs.Eval() == rhs.Eval());
}
if (op.opType == Opr.NEQ)
{
return(lhs.Eval() != rhs.Eval());
}
if (op.opType == Opr.GT)
{
return(lhs.Eval() > rhs.Eval());
}
if (op.opType == Opr.LT)
{
return(lhs.Eval() < rhs.Eval());
}
return(false);
}