examples/sfexamples/RockPaperScissorsGameSourceCode_S60/RPS/src/roshambo.cpp

/*
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  may be used to endorse or promote products derived from this software
  without specific prior written permission.

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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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Description:  
*/
#include <e32math.h>
#include "roshambo.h"

TRoshambo::TRoshambo()
: iLocalPlayer(ENone), iOpponent(ENone){}

void TRoshambo::SinglePlayerGame(TElement aLocalPlayer)
        {
        iLocalPlayer = aLocalPlayer;
        TUint32 randomChoice = (Math::Random())%3;
        ASSERT( (randomChoice>=0) && (randomChoice<=3) ); 
        iOpponent = (TElement)randomChoice;
        }

//enum TElement {ENone = -1, ERock = 0, EPaper = 1, EScissors = 2};     
TRoshambo::TResult TRoshambo::CalculateResult() const
        {
        TResult result = ENoContest;
        
        if (iLocalPlayer==ENone)
                {
                if (iOpponent==ENone)
                        result = ENoContest; // No contest if neither player selected
                else
                        result = ELose;   // Opponent won by default 
                }
                
        else if (iOpponent>iLocalPlayer)
                {
                if ( (iOpponent==EScissors) && (iLocalPlayer==ERock) ) // Player wins
                        result = EWin;
                else // Opponent wins
                        result = ELose;
                }
                
        else if (iLocalPlayer > iOpponent)
                {
                if ( (iLocalPlayer==EScissors) && (iOpponent==ERock) ) // Opponent wins
                        result = ELose;
                else // Player wins
                        result = EWin;
                }
                
        else if (iLocalPlayer==iOpponent)
                result = EDraw;
        
        else
                ASSERT(EFalse);; // Shouldn't get here          
                
        return (result);                
        }

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