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LessonThreeSource

#include "EpeeEngine2.h"
#include <math.h>
#include <time.h>
const unsigned int Maxnum=100;
const unsigned int LeftNumberMax=12;
const unsigned int RightNumberMax=12;

std::string TranslateOppToString(unsigned int _opp)
{
	switch(_opp)
	{
		case 0:
			return "+";
		break;
		case 1: 
			return "-";
		break;
		case 2:
			return "*";
		break;
	}
	return "+";
}

int EvaluateQuestions(int _var1,int _var2,unsigned int _opp)
{

	switch(_opp)
	{
		case 0:
			return _var1+_var2;
		break;
		case 1: 
			return _var1-_var2;
		break;
		case 2:
			return _var1*_var2;
		break;

	}
	return _var1+_var2;
}


enum State
{
	Restart=0,
	DisplayQuestion,
	WaitForAnswer,
	EvaluateAnswer,
	CheckForMoreQuestions,
	Done

};



int main (int argc, char *argv[])
{
EpeeEngine GraphicsEngine;
GraphicsEngine.SetUp(800,600,false,"Math Questions",false,15,32);
textBox * pMessage=GraphicsEngine.CreateTextBox("message",100,50,5,"1234","Current",-1,-1,"ARIAL.TTF",18,255,255,255,"C:\\WINDOWS\\Fonts\\");
textBox * pVar1=GraphicsEngine.CreateTextBox("var1",100,100,5,"1234","Current",-1,-1,"ARIAL.TTF",18,255,255,255,"C:\\WINDOWS\\Fonts\\");
textBox * pVar2=GraphicsEngine.CreateTextBox("var2",200,100,5,"1234","Current",-1,-1,"ARIAL.TTF",18,255,255,255,"C:\\WINDOWS\\Fonts\\");
textBox * pOperatorText=GraphicsEngine.CreateTextBox("operator",150,100,5,"-","Current",-1,-1,"ARIAL.TTF",25,255,0,0,"C:\\WINDOWS\\Fonts\\");
textBox * pAnswer=GraphicsEngine.CreateTextBox("Answer",120,150,3,"Click and Type Answer Here","Current",-1,-1,"ARIAL.TTF",18,255,255,255,"C:\\WINDOWS\\Fonts\\");
if(!(pVar1 && pVar2 && pOperatorText && pAnswer&& pMessage))
{

	cerr<<"could not create textbox see stderr for details"<<endl;
	return 0;
}
srand ( time(NULL) );

pAnswer->SetBackGroundColor(0,255,0);
pAnswer->SetColorChangedOnClick(true);
pAnswer->SetQuality(FONT_QUALITY_SHADED);
pAnswer->SetSelectBackGroundColor(255,0,0);
pVar1->SetQuality(FONT_QUALITY_HIGH);
pVar1->SetTextJustification(TEXT_RIGHT_JUSTIFIED);
pVar2->SetQuality(FONT_QUALITY_HIGH);
pVar2->SetTextJustification(TEXT_LEFT_JUSTIFIED);
pOperatorText->SetQuality(FONT_QUALITY_HIGH);
pOperatorText->SetTextJustification(TEXT_CENTER_JUSTIFIED);
pMessage->SetQuality(FONT_QUALITY_HIGH);
pAnswer->SetNumbersOnly(true);


unsigned int uiCurrentQuestion=1;
unsigned int uiNumberCorrect=0;



State CurrentState=DisplayQuestion;
int iLeftSide=0;
int iRightSide=0;
unsigned int uiOpp=0;
int iAnswer=0;
std::string message=" ";
std::string temp="";




  SDL_Event event;
  while (1)
  {

     while(GraphicsEngine.GetEvent(&event))
     {


        switch(event.type)
         {
             case SDL_QUIT:
                       return 0;
              break;
            case  SDL_KEYUP:
              switch(event.key.keysym.sym)
                {
                      case SDLK_ESCAPE:
                         return 0;
                        break;
		      case SDLK_KP_ENTER:
		      case SDLK_RETURN:
			pAnswer->SetEditable(false);
			CurrentState=EvaluateAnswer;
		       break;
		      case SDLK_r:
		        if(CurrentState==Done)
		        {
			 CurrentState=Restart;
		        }
		      break;


                 }

              break;
		 }//end of  switch(event.type)

	 }//end of while(GraphicsEngine.GetEvent(&event))



	 	switch (CurrentState)
		{
		case Restart:
			  uiNumberCorrect=0;
			  uiCurrentQuestion=1;
			CurrentState=DisplayQuestion;
		break;

		case DisplayQuestion:
			iLeftSide=rand()%LeftNumberMax;
			iRightSide=rand()%RightNumberMax;
			uiOpp=rand()%3;
			pVar1->SetTextFromInt(iLeftSide);
			pVar2->SetTextFromInt(iRightSide); 
			pOperatorText->SetText(TranslateOppToString(uiOpp));
			CurrentState=WaitForAnswer;
		break;

		case WaitForAnswer:
			pAnswer->SetEditable(true);
			pMessage->SetText("What is the Answer?");
		break;

		case EvaluateAnswer:
		  iAnswer=pAnswer->GetTextToInt();

		  if(pAnswer->GetLastError().m_iErrorCode!=TEXTBOX_CONVERION_ERROR)
			 {
				 if(EvaluateQuestions(iLeftSide,iRightSide,uiOpp)==iAnswer)
				 {
					 pMessage->SetText("That is Correct");
					  uiNumberCorrect++;

				 }
				 else
				 {
					 pMessage->SetText("That is Incorrect");

				 }



				 CurrentState=CheckForMoreQuestions;

			 }
			 else
			 {

				 pAnswer->SetText("Invalid input");
				 CurrentState=WaitForAnswer;



			 }
		 break;

		case CheckForMoreQuestions:
			 SDL_Delay(1000);
			if(uiCurrentQuestion>9)
			{ 
				temp="";
				if(EpeeUtility::StringFromNumericData(temp,uiNumberCorrect))
				{
					message="You Got "+temp+" Out of "+"10 "+"Correct";
				}
				pMessage->SetText(message);
				CurrentState=Done;

			}
			else
			{
				uiCurrentQuestion++;
				CurrentState=DisplayQuestion;
			}

			break;
		case Done:
			break;


		}//end of switch logic


GraphicsEngine.RenderSeen(true);

 }//end of while (1)

return 0;
}