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PostPosted: Sat Jul 11, 2009 9:46 am 

Joined: Sat Apr 25, 2009 1:40 am
Posts: 66
I think it would be nice if gmVariable looked like this:

class gmVariable

  //Returns the int value, or cast the float value to int or returns defaultValue if neither
  int   Int(int defaultValue = 0) const;

  //Returns the float value, or cast the int value to float or returns defaultValue if neither.
  float   Float(float defaultValue = 0.0f) const;

  //Returns the c-string value if it's a gmStringObject, default value if not.
  const char*       CString(const char* defaultValue = "") const;

  //These ones return NULL if the variable isn't the right type
  gmStringObject*   StringObject() const;
  gmTableObject*    TableObject() const;
  gmFunctionObject* FunctionObject() const;
  gmUserObject*     UserObject(gmType type) const;

It makes binding easier and cleaner looking:

float x = a_thread->Param(0).Float();
float y = a_thread->Param(1).Float();
const char* text = a_thread->Param(2).CString("");

Graphics::Instance().DrawText(x, y, text);

You don't always have to check the type (unless it's one of the last four "object" types...then you need to check if it returns a NULL)

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PostPosted: Sat Jul 11, 2009 4:48 pm 

Joined: Fri Jan 14, 2005 2:28 am
Posts: 439
That's already in there in the form of the "safe" functions, like GetIntSafe, GetFloatSafe, GetStringObjectSafe, etc

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