gameappview.cpp

这个是symbian下的一个蛮庞大的3D游戏源代码！对于学习3D开发的人有很大的帮助！

////////////////////////////////////////////////////////////////////////
//
// GameAppView.cpp
//
// Copyright (c) 2006 Nokia Corporation.  All rights reserved.
//
////////////////////////////////////////////////////////////////////////

#include "GameAppView.h"
#include <lang/Globals.h>

#include <eikenv.h>

#include "GameEngine.h"

#include "App.h"

////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////

CGameAppView* CGameAppView::NewL(const TRect& aRect)
    {
    CGameAppView* self = CGameAppView::NewLC(aRect);
    CleanupStack::Pop();
    return self;
    }

////////////////////////////////////////////////////////////////////////

CGameAppView* CGameAppView::NewLC(const TRect& aRect)
    {
    CGameAppView* self = new (ELeave) CGameAppView;
    CleanupStack::PushL(self);
    self->ConstructL(aRect);
    return self;
    }

////////////////////////////////////////////////////////////////////////

void CGameAppView::ConstructL(const TRect& aRect)
    {
	dprintf( "CGameAppView::ConstructL\n" );

	lang::Globals::init();

    // Create a window for this application view
    CreateWindowL();

    // Set the windows size
    SetRect(aRect);

	iEngine = CGameEngine::NewL(iEikonEnv->WsSession(), 
		*(CCoeEnv::Static()->ScreenDevice()), Window(), Rect().Size());
	
	// Activate the window, which makes it ready to be drawn
    ActivateL();
    }

////////////////////////////////////////////////////////////////////////

CGameAppView::CGameAppView()
: iGameStarted(EFalse)
    {
    }

////////////////////////////////////////////////////////////////////////

CGameAppView::~CGameAppView()
    {
	delete iEngine;
	lang::Globals::cleanup();
    }

////////////////////////////////////////////////////////////////////////

void CGameAppView::Draw(const TRect& /*aRect*/) const
    {
    // Clear the screen
    CWindowGc& gc = SystemGc();
    gc.Clear(Rect());
    }

////////////////////////////////////////////////////////////////////////

TKeyResponse CGameAppView::OfferKeyEventL(const TKeyEvent& aKeyEvent,TEventCode aType)
	{
	TKeyResponse returnKey = EKeyWasNotConsumed;
	App* app = iEngine->app();

	// If the app switch key is pressed we need to stop drawing
	if(aType == EEventKey && aKeyEvent.iScanCode == EStdKeyApplication0)
		{
		StopGame();
		// we still want the key event to be passed on so don't consume the key
		}
	else if(aType == EEventKeyDown)
		{
			app->keyDown( getKeyByScancode( aKeyEvent.iScanCode ) );
			returnKey = EKeyWasConsumed;
		}
	else if(aType == EEventKeyUp)
		{
			app->keyUp( getKeyByScancode( aKeyEvent.iScanCode ) );
			returnKey = EKeyWasConsumed;
		}

	return returnKey;

	}

////////////////////////////////////////////////////////////////////////

void CGameAppView::StartGameL()
	{
	if(!iGameStarted)
	    {
	    iGameStarted = ETrue;
	    iEngine->StartFirstGameL();
	  	}
	else
	    iEngine->StartGameL();
	}

////////////////////////////////////////////////////////////////////////

void CGameAppView::StopGame()
	{
	iEngine->StopGame();
	}

////////////////////////////////////////////////////////////////////////

TBool CGameAppView::IsPlaying()
	{
	return iEngine->Playing();
	}

////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////

App::KeyType CGameAppView::getKeyByScancode( int scancode )
{
	switch( scancode )
	{
	case EStdKeyDevice0:
		return App::KEY_LEFTSOFT;
	case EStdKeyDevice1:
		return App::KEY_RIGHTSOFT;
	case EStdKeyDevice3:
		return App::KEY_MIDDLE;
	case EStdKeyNkpAsterisk:
		return App::KEY_ASTERISK;
	case '0':
		return App::KEY_0;
	case '1':
		return App::KEY_1;
	case '2':
		return App::KEY_2;
	case '3':
		return App::KEY_3;
	case '4':
		return App::KEY_4;
	case '5':
		return App::KEY_5;
	case '6':
		return App::KEY_6;
	case '7':
		return App::KEY_7;
	case '8':
		return App::KEY_8;
	case '9':
		return App::KEY_9;
	case EStdKeyLeftArrow:
		return App::KEY_LEFT;
	case EStdKeyRightArrow:
		return App::KEY_RIGHT;
	case EStdKeyUpArrow:
		return App::KEY_UP;
	case EStdKeyDownArrow:
		return App::KEY_DOWN;
	default:
		return App::KEY_NONE;
	}
}

// End of File