cgamestate.cpp

symbian 的一个 二维飞行游戏 源码 及相关技术文章

// Copyright 2002 Kenneth Guy,
// 
// CGameState.cpp

/** \file CGameState.cpp

    implementation of class CGameState */

#include "CGameState.h"
#include "CHighScores.h"
#include "Game.hrh"

#include <eikappui.h>
#include <eikapp.h>
#include <eikdoc.h>
#include <eikenv.h>
#include <uikon.hrh>
#include <eikmfne.h>
#include <eikdialg.h>
#include <eikon.hrh>
#include <eikbtgpc.h>


/** Leave safe construction 

    \param aFileName full path and filename of high score file
*/

CGameState* CGameState::NewL(const TDesC& aFileName) {
  CGameState* self= new (ELeave) CGameState;
  CleanupStack::PushL(self);
  self->ConstructL(aFileName);
  CleanupStack::Pop(self);
  return(self);
}

/** 2nd phase construction 

    Construct high score table

    \param aFileName full path and filename of high score file
*/

void CGameState::ConstructL(const TDesC& aFileName) {
  iHighScores=CHighScores::NewL(aFileName);
}

/** constructor */
CGameState::CGameState() : iState(ENoGame)  {

}

/** access high score table */
CHighScores& CGameState::HighScores() {
  return *iHighScores;
}


/** get game state */

CGameState::TState CGameState::State() {
  return iState;
}

/** set game state.

    Update the Cba buttons as nessesary */

void CGameState::SetState(CGameState::TState aState) {
  iState=aState;
  CEikButtonGroupContainer* cba=CEikonEnv::Static()->AppUiFactory()->ToolBar();
  switch(iState) {
  case ENoGame:
    cba->DimCommand(ECmdCancelGame,ETrue);        
    cba->DimCommand(ECmdContinueGame,ETrue);
    cba->DimCommand(ECmdStartGame,EFalse);
    break;
  case EPaused:
  case ENextLevel:
    cba->DimCommand(ECmdCancelGame,EFalse);        
    cba->DimCommand(ECmdContinueGame,EFalse);
    cba->DimCommand(ECmdStartGame,ETrue);
    break;
  }
  cba->DrawNow();
}

/** destructor */

CGameState::~CGameState() {
  delete iHighScores;
}