??? More...

#include <Engine.h>

Public Types
enum	KeyEvent { KEY_DOWN_EX = 1, KEY_UP_EX, KEY_DOWN_EX = 1, KEY_UP_EX }
	Keyboard event. More...
enum	KeyEvent { KEY_DOWN_EX = 1, KEY_UP_EX, KEY_DOWN_EX = 1, KEY_UP_EX }
	Keyboard event. More...
Public Member Functions
	Engine ()
	~Engine ()
void	SendEvent (EventListener::EventType evt)
	send event to all listeners
void	AddEventListener (EventListener *el)
	add el to even listener's list
void	RemoveEventListener (EventListener *el)
	remove el from event listeners list
void	PostOperation (const Operation &operation)
	Engine ()
	~Engine ()
void	SendEvent (EventListener::EventType evt)
	send event to all listeners
void	AddEventListener (EventListener *el)
	add el to even listener's list
void	RemoveEventListener (EventListener *el)
	remove el from event listeners list
void	PostOperation (const Operation &operation)
Initiaization routines
Initialization is broken into tree funcdtions for flexibility of interactive calling. First call must be InitConfig() then one can make several calls to LoadConfig() to load configuration from multiple files and finaly InitGui must be call before any drawing is made.
bool	InitConfig ()
	Call InitConfig first!
bool	LoadConfig (const char *configName)
	You can call LoadConfig multiple times after InitConfig.
bool	InitGui ()
	Call InitGui before any drawing has been made.
bool	InitConfig ()
	Call InitConfig first!
bool	LoadConfig (const char *configName)
	You can call LoadConfig multiple times after InitConfig.
bool	InitGui ()
	Call InitGui before any drawing has been made.
Engine control routines
bool	Start ()
	Create window and display scene.
bool	Stop ()
	Destroy window.
bool	IsStopped () const
bool	Pause ()
	Pause animation.
bool	Resume (bool updateStatus)
	Resume animation.
bool	LoadLevel (const char *fileName, int level=1)
	Load level from file.
bool	LoadLevel (int level)
	Load specified level.
bool	NewGame (int level=1)
	Load level and reset lives.
void	NextLevel ()
	Increment level.
bool	UnLoad ()
	Unload Level.
bool	Start ()
	Create window and display scene.
bool	Stop ()
	Destroy window.
bool	IsStopped () const
bool	Pause ()
	Pause animation.
bool	Resume (bool updateStatus)
	Resume animation.
bool	LoadLevel (const char *fileName, int level=1)
	Load level from file.
bool	LoadLevel (int level)
	Load specified level.
bool	NewGame (int level=1)
	Load level and reset lives.
void	NextLevel ()
	Increment level.
bool	UnLoad ()
	Unload Level.
Viewer Control Routines
void	SetViewer (double x, double y, double z)
void	SetViewerLook (double x, double y, double z)
void	GetViewer (double px, double py, double *pz) const
void	GetViewerLook (double px, double py, double *pz) const
void	SetViewer (double x, double y, double z)
void	SetViewerLook (double x, double y, double z)
void	GetViewer (double px, double py, double *pz) const
void	GetViewerLook (double px, double py, double *pz) const
Keyboard and Mouse processing
Mouse is not supported yet.
void	KeyPress (int key, KeyEvent type, int x, int y)
void	MousePress (int button, int state, int x, int y)
void	MouseMove (int x, int y)
void	KeyPress (int key, KeyEvent type, int x, int y)
void	MousePress (int button, int state, int x, int y)
void	MouseMove (int x, int y)
Getters and Setters
MenuDisplay *	GetMenuDisplay () const
TextDisplay *	ActiveDisplay () const
TextDisplay *	StatusDisplay () const
TextDisplay *	AboutDisplay () const
Controller *	BongoMover () const
Controller *	GetMenuController () const
Controller *	GetViewController () const
int	CurrentLevel () const
void	SetActiveDisplay (TextDisplay *display)
void	SetActiveController (Controller *controller)
MenuDisplay *	GetMenuDisplay () const
TextDisplay *	ActiveDisplay () const
TextDisplay *	StatusDisplay () const
TextDisplay *	AboutDisplay () const
Controller *	BongoMover () const
Controller *	GetMenuController () const
Controller *	GetViewController () const
int	CurrentLevel () const
void	SetActiveDisplay (TextDisplay *display)
void	SetActiveController (Controller *controller)
Private Member Functions
void	UpdateLivesDisplay ()
bool	Display ()
void	TimeTick ()
void	Reshape (int width, int height)
void	UpdateLivesDisplay ()
bool	Display ()
void	TimeTick ()
void	Reshape (int width, int height)
Setup Views
void	TextView ()
	2D view to display menus
void	QuadView ()
	3D views for Quads
void	TextView ()
	2D view to display menus
void	QuadView ()
	3D views for Quads
Private Attributes
pthread_mutex_t	mOperationMutex
std::deque< Operation >	mOperations
CollisionMaster *	mpCollisionMaster
bool	mbDisplayUptodate
	This flag can be set to invalidate display in GUI thread of execution.
bool	mbStopped
	This flag can be set to stop GUI thread.
Box *	mpBox
XCongo	mXCongo
std::list< Quad * >	mQuads
std::list< EventListener * >	mEventListeners
Display Variables
These variables are usefull to set the scene
double	mBoxPos [3]
double	mBoxDim [3]
double	mViewPos [3]
double	mViewCenter [3]
double	mViewUp [3]
int	mWindowWidth
	Initial Window Settings.
int	mWindowHeight
int	mScreenWidth
	Actual Screen Dimensions.
int	mScreenHeight
2D Display screens
TextDisplay *	mpActiveDisplay
	Pointer to central display. It can point to Menu, About or Status Display.
TimeDisplay *	mpStatusDisplay
	Status message is displayed in center of the screen.
MenuDisplay *	mpMenuDisplay
	when active displayed in center
TextDisplay *	mpAboutDisplay
	when active displayed in center
TextDisplay *	mpFpsDisplay
	displayed in down right corner
int	mbFpsDisplay
	whether fps display is enabled
TextDisplay *	mpLevelDisplay
	displayed in down left corner
TextDisplay *	mpLivesDisplay
	displayed bellow level display
Game specific settings
double	mWindowColor [3]
	general window background color
double	mLevelBackground [3]
	current level background color
int	mLevels
	total number of levels
int	mCurrentLevel
int	mLives
	number of lives left for Bongo
int	mToKill
	number of balls left in this level
char *	mpLevelName
General Configuraiton
bool	mbDisplayProcessing
	Wheter display calculation is in processing. If this is true engine will ignore post redisplay.
int	mbAnimeEnabled
	whether animation is currently running
double	mGravitation [3]
	Gravitaiton vector.
int	mTimerDelay
	deley between two timer ticks
unsigned long	mLastUpdateTime
	used to calculate FPS
int	mbLocalViewer
	Whether to use GL_LIGHT_MODEL_LOCAL_VIEWER or not.
Friends
class	CollisionMaster
void	display (void)
void	timer_func (int data)
void	reshape (int, int)
void	idle_func (void)
void	display (void)
void	timer_func (int data)
void	reshape (int, int)
void	idle_func (void)
Controlers
All events will be first forwaded to default controler and then active controller.
Controller *	mpDefaultController
Controller *	mpActiveController
Controller *	mpBongoMover
	Control Bongo.
Controller *	mpViewController
	Control Camera.
Controller *	mpMenuController
	Control Menus.
ViewBongoFollower *	mpViewBongoFollower
	View is following Bongo.
class	BongoOrthoMover
class	BongoRealMover
class	ViewBongoFollower

Detailed Description

???

See also:: ???

Definition at line 74 of file Engine.h.

Member Enumeration Documentation

enum Engine::KeyEvent

Keyboard event.

There are two function callbacks in opengl for keyboard events, but only one in Engine. This enum will be used to overcome the difference.

Enumerator:

KEY_DOWN_EX
KEY_UP_EX
KEY_DOWN_EX
KEY_UP_EX

Definition at line 85 of file Engine.h.

    {
        KEY_DOWN_EX = 1,
        KEY_UP_EX
    };

enum Engine::KeyEvent

Keyboard event.

There are two function callbacks in opengl for keyboard events, but only one in Engine. This enum will be used to overcome the difference.

Enumerator:

KEY_DOWN_EX
KEY_UP_EX
KEY_DOWN_EX
KEY_UP_EX

Definition at line 85 of file Engine.h.

    {
        KEY_DOWN_EX = 1,
        KEY_UP_EX
    };

Constructor & Destructor Documentation

Engine::Engine ( )

Definition at line 120 of file Engine.cpp.

References APP_TITLE.

{
    pthread_mutex_init(&mOperationMutex, NULL);

    //level settings
    mpLevelName = 0;

    mpViewBongoFollower = 0;
    mpCollisionMaster = new CollisionMaster(this);
    mbStopped = true;
    mbDisplayProcessing = false;
    mpBongoMover = 0;
    mpBox = 0;
    
    mpAboutDisplay = new StrokeDisplay(30, 3, 3, true, false);
    mpAboutDisplay->Print(APP_TITLE "\n");
    mpAboutDisplay->Print("Author: Stefan Tarana\n");
    mpAboutDisplay->Print("Index: MR98165");

    mpFpsDisplay = 0;
    mpStatusDisplay = new TimeDisplay(20, 1, 4, true, 4);
    mpMenuDisplay = new MenuDisplay(20, 4, 5);
    mpMenuDisplay->Add("New Game", new NewGameAction(this) );
    mpMenuDisplay->Add("View Prompt ", new ViewPromptAction(this) );    
    mpMenuDisplay->Add("About", new AboutAction(this) );    
    mpMenuDisplay->Add("Exit", new ExitAction(this) );
   
    mpLevelDisplay = new StrokeDisplay(4, 1, 3, true, false);
    mpLevelDisplay->Print("\nL:01");

    mpLivesDisplay = new StrokeDisplay(4, 1, 3, true, false);
 
    mpActiveDisplay = mpMenuDisplay;
    
    mpDefaultController = new ShortcutController(this);
    mpMenuController = new MenuController(mpMenuDisplay);
    mpActiveController = mpMenuController;
}

Engine::~Engine ( )

Definition at line 159 of file Engine.cpp.

{
    UnLoad();
   
    delete mpFpsDisplay;
    delete mpViewBongoFollower;
    delete mpCollisionMaster;
    delete mpDefaultController;
    delete mpMenuController;
    delete mpStatusDisplay;
    delete mpMenuDisplay;
}

Engine::Engine ( )

Engine::~Engine ( )

Member Function Documentation

TextDisplay * Engine::AboutDisplay ( ) const

Definition at line 479 of file Engine.cpp.

{
    return mpAboutDisplay;
}

TextDisplay* Engine::AboutDisplay ( ) const

TextDisplay* Engine::ActiveDisplay ( ) const

TextDisplay * Engine::ActiveDisplay ( ) const

Definition at line 469 of file Engine.cpp.

Referenced by ShortcutController::ProcessKey().

{
    return mpActiveDisplay;
}

void Engine::AddEventListener ( EventListener * el )

add el to even listener's list

Controller* Engine::BongoMover ( ) const

Controller * Engine::BongoMover ( ) const

Definition at line 494 of file Engine.cpp.

Referenced by ShortcutController::ProcessKey().

{
    return mpBongoMover;
}

int Engine::CurrentLevel ( ) const

Definition at line 509 of file Engine.cpp.

Referenced by ShortcutController::ProcessKey().

{
    return mCurrentLevel;
}

bool Engine::Display ( ) [private]

Setup 2D View

Definition at line 321 of file Engine.cpp.

Referenced by display().

{
    assert(!mbDisplayProcessing);
    
    // Setup 3D View
    QuadView();
    
    // Display Quads - 3D objects relative to the Box position
    glPushMatrix();
    glTranslatef(mBoxPos[0], mBoxPos[1], mBoxPos[2]);
    mbDisplayUptodate = true;
    glPopMatrix();
    list<Quad*>::reverse_iterator i;
    for (i = mQuads.rbegin(); i != mQuads.rend(); i++)
       (*i)->Display();

    TextView();

    // Dipslay 2d Menus
    glPushMatrix();
    if (mpStatusDisplay == mpActiveDisplay && !mpStatusDisplay->IsExpired()
       || mpMenuDisplay == mpActiveDisplay
       || mpAboutDisplay == mpActiveDisplay)
    {
        glTranslatef(20.0, 70.0, 0.0);
        mpActiveDisplay->Display();
    } 
    glPopMatrix();
    
    // Display Level Info
    glPushMatrix();
    glTranslatef(10.0, 10.0, 0.0);
    mpLevelDisplay->Display();
    glPopMatrix();

    // Display Lives Info
    glPushMatrix();
    glTranslatef(10.0, 5.0, 0.0);
    mpLivesDisplay->Display();
    glPopMatrix();

    // Display FPS
    if (mpFpsDisplay)
    {
        glPushMatrix();
        glTranslatef(75.0, 10.0, 0.0);
        mpFpsDisplay->Display();
        glPopMatrix();
    }
    glDepthMask(GL_TRUE);
    mbDisplayUptodate = true;

    return true;
}

bool Engine::Display ( ) [private]

Controller* Engine::GetMenuController ( ) const

Controller * Engine::GetMenuController ( ) const

Definition at line 499 of file Engine.cpp.

Referenced by ShortcutController::ProcessKey().

{
    return mpMenuController;
}

MenuDisplay* Engine::GetMenuDisplay ( ) const

MenuDisplay * Engine::GetMenuDisplay ( ) const

Definition at line 464 of file Engine.cpp.

Referenced by ShortcutController::ProcessKey().

{
    return mpMenuDisplay;
}

Controller* Engine::GetViewController ( ) const

Controller * Engine::GetViewController ( ) const

Definition at line 504 of file Engine.cpp.

{
    return mpViewController;
}

void Engine::GetViewer	(	double *	px,
		double *	py,
		double *	pz
	)		const

Definition at line 300 of file Engine.cpp.

Referenced by BongoRealMover::BongoRealMover(), l_engine_getviewer(), BongoOrthoMover::ProcessKey(), and ViewController::ProcessKey().

{
    *px = mViewPos[0];
    *py = mViewPos[1];
    *pz = mViewPos[2];
}

void Engine::GetViewer	(	double *	px,
		double *	py,
		double *	pz
	)		const

void Engine::GetViewerLook	(	double *	px,
		double *	py,
		double *	pz
	)		const

Definition at line 307 of file Engine.cpp.

{
    *px = mViewCenter[0];
    *py = mViewCenter[0];
    *pz = mViewCenter[0];
}

void Engine::GetViewerLook	(	double *	px,
		double *	py,
		double *	pz
	)		const

bool Engine::InitConfig ( )

Call InitConfig first!

Definition at line 172 of file Engine.cpp.

References LOGE.

Referenced by run_initconfig().

{    
    if (!mXCongo.Init() )
    {
        LOGE("XCongo::Init()");
        return false;
    }
 
    return true;
}

bool Engine::InitConfig ( )

Call InitConfig first!

bool Engine::InitGui ( )

Call InitGui before any drawing has been made.

bool Engine::InitGui ( )

Call InitGui before any drawing has been made.

Definition at line 668 of file Engine.cpp.

Referenced by run_initgui().

{
    char *argv[] = { (char*) "QuadPang", 0  };
    int argc = 1;
    glutInit(&argc, argv);
  
    return true; 
}

bool Engine::IsStopped ( ) const

Definition at line 684 of file Engine.cpp.

Referenced by post_operation().

{
    return mbStopped;
}

void Engine::KeyPress	(	int	key,
		KeyEvent	type,
		int	x,
		int	y
	)

Definition at line 561 of file Engine.cpp.

Referenced by keyboard_func(), keyboard_spec(), keyboardup_func(), and keyboardup_spec().

{
    if (!mpDefaultController->ProcessKey(key, type, x, y) )
    {
        if (mpActiveController)
            mpActiveController->ProcessKey(key, type, x, y);
    }

}

void Engine::KeyPress	(	int	key,
		KeyEvent	type,
		int	x,
		int	y
	)

bool Engine::LoadConfig ( const char * configName )

You can call LoadConfig multiple times after InitConfig.

Definition at line 184 of file Engine.cpp.

References APP_NAME, and LOGE.

Referenced by run_loadconfig().

{
    if (!mXCongo.Load(configName, APP_NAME) )
        return false;

    if (!mXCongo.IntValue("Settings.mLevels", &mLevels) )
    {
        LOGE("Failed to read number of levels");
        return false;
    }

    if (!mXCongo.DoubleValue("View.mPos.mX", &mViewPos[0]) ||
        !mXCongo.DoubleValue("View.mPos.mY", &mViewPos[1]) ||
        !mXCongo.DoubleValue("View.mPos.mZ", &mViewPos[2]) ||
        !mXCongo.DoubleValue("View.mCenter.mX", &mViewCenter[0]) ||
        !mXCongo.DoubleValue("View.mCenter.mY", &mViewCenter[1]) ||
        !mXCongo.DoubleValue("View.mCenter.mZ", &mViewCenter[2]) ||
        !mXCongo.DoubleValue("View.mUp.mX", &mViewUp[0]) ||
        !mXCongo.DoubleValue("View.mUp.mY", &mViewUp[1]) ||
        !mXCongo.DoubleValue("View.mUp.mZ", &mViewUp[2]) ||
        !mXCongo.IntValue("View.mLocalViewer", &mbLocalViewer) )
    {
        LOGE("reading View coordinages");
        return false;   
    }

    XRes resource(&mXCongo, "ViewPrompt");
    mpViewController = new ViewController(this);
    if (!mpViewController->Init(&resource, &mXCongo) )
    {
        LOGE("reading ViewCotroler");
        return false;
    }

    if (!mXCongo.IntValue("Window.mSize.mWidth", &mWindowWidth) ||
        !mXCongo.IntValue("Window.mSize.mWidth", &mWindowHeight) ||
        !mXCongo.DoubleValue("Window.mColor.red", &mWindowColor[0]) ||
        !mXCongo.DoubleValue("Window.mColor.green", &mWindowColor[1]) ||
        !mXCongo.DoubleValue("Window.mColor.blue", &mWindowColor[2]) )
    {
        LOGE("reading Window coordinages");
        return false;   
    }

    if (!mXCongo.IntValue("Anime.mFramePerSecond", &mTimerDelay) ||
        !mXCongo.IntValue("Anime.mEnabled", &mbAnimeEnabled)  ||
        !mXCongo.DoubleValue("Anime.mGravitation", &mGravitation[1]) ||
        !mXCongo.IntValue("Anime.mFpsDisplay", &mbFpsDisplay))
    {
        LOGE("reading animation configuration");
        return false;       
    }
    if (mbFpsDisplay)
    {
        mpFpsDisplay = new StrokeDisplay(7, 1, 3, true, false);
        mpFpsDisplay->Print("\nfps");
    }
    mTimerDelay = 1000 / mTimerDelay;
    mGravitation[0] = 0.0;
    mGravitation[2] = 0.0;
    mGravitation[1] = -mGravitation[1];


    mpStatusDisplay->Print("\nConfig loaded");
    mpStatusDisplay->Reset();
    return true;
}

bool Engine::LoadConfig ( const char * configName )

You can call LoadConfig multiple times after InitConfig.

bool Engine::LoadLevel	(	const char *	fileName,
		int	level = `1`
	)

Load level from file.

Definition at line 803 of file Engine.cpp.

References APP_NAME, Quad::ClassName(), Factory::CreateQuad(), Factory::CreateQuadMover(), and LOGE.

Referenced by ShortcutController::ProcessKey(), and run_loadlevel().

{
    if (!mXCongo.Load(level_file, APP_NAME))
    {
        LOGE("XCongo::Load(\"%s\")", level_file);
        return false;
    } 
    Pause();
    UnLoad();
       
    if (!mXCongo.StringValue("LevelSettings.mLevelName", &mpLevelName) )
    {
        LOGE("failed to read level name");
        return false;
    }
    if (!mXCongo.DoubleValue("LevelSettings.mBackground.red", &mLevelBackground[0]) 
     || !mXCongo.DoubleValue("LevelSettings.mBackground.green", &mLevelBackground[1])
     || !mXCongo.DoubleValue("LevelSettings.mBackground.blue", &mLevelBackground[2]) )
    {
        LOGE("reading background color");
        return false;
    }
    glClearColor(mLevelBackground[0], mLevelBackground[1], mLevelBackground[2], 0.0);

    if (!mXCongo.DoubleValue("Box.mDim.mXWidth", &mBoxDim[0]) 
        || !mXCongo.DoubleValue("Box.mDim.mYWidth", &mBoxDim[1])
        || !mXCongo.DoubleValue("Box.mDim.mZWidth", &mBoxDim[2]) )
    {
        LOGE("reading Box dimenstions");
        return false;
    }
    mBoxPos[0] = 0; 
    mBoxPos[1] = 0;
    mBoxPos[2] = 0;
    
    size_t n_quads;
    if (!mXCongo.SizeOf("Quads", &n_quads) )
    {
        LOGE("XCongo::SizeOf(\"Quads\")");
        return false;
    }
    
    Quad *quad;
    Factory qufac;
    
    mToKill = 0;
    for (size_t id = 1; id <= n_quads; id ++)
    {
        XRes resource(&mXCongo, "Quads", (int)id);

        if (!(quad = qufac.CreateQuad(&resource, &mXCongo) ) )
        {
            LOGE("QuadResourceFactory::Create()");
            return false;
        }   
        
        if (0 == strcmp(quad->ClassName(), "Bongo") )
        {
            ((Bongo*)quad)->SetLives(mLives);
            if (mpBongoMover)
            {
                LOGE("Bongo alread defined for this level");
                return false;
            }
            else
            {
               XRes res2(&resource, "mQuadMover");

               mpViewBongoFollower = new ViewBongoFollower(this, (Bongo*)quad);
               mpBongoMover = qufac.CreateQuadMover(&res2, &mXCongo, this, quad);
            }
        }
        
        if (0 == strcmp(quad->ClassName(), "Box") )
        {
            mpBox = (Box*)quad;
            SetViewer(mViewPos[0], mViewPos[1], mViewPos[2]);
            mQuads.push_front(quad);
        }
        else
        {
            mQuads.push_back(quad);
        }
        
        if (0 == strcmp(quad->ClassName(), "Ball") )
        { 
            mToKill++;
        }   
    }

   //  mpSampleDisplay->Print("A SPARE SERAPE APPEARS AS");

    mCurrentLevel = level;
    
    mpActiveDisplay = mpStatusDisplay;
    mpActiveController = mpBongoMover;
   
    Resume(false); 
    mpStatusDisplay->Clear();
    mpStatusDisplay->Print("\n ");
    mpStatusDisplay->Print(mpLevelName);
    mpStatusDisplay->SetLongLife(false);
    // this is lifetime object, we will reset it's timeout value  
    mpStatusDisplay->Reset(); 

    mpLevelDisplay->Clear();
    char buf[10];
    sprintf(buf, "L:%.2d", mCurrentLevel);
    mpLevelDisplay->Print(buf);

    UpdateLivesDisplay();

    return true;
}

bool Engine::LoadLevel	(	const char *	fileName,
		int	level = `1`
	)

Load level from file.

bool Engine::LoadLevel ( int level )

Load specified level.

Definition at line 792 of file Engine.cpp.

References LEVEL_FORMAT.

{
    bool ret_val = true;
    char* level_file = new char[strlen(LEVEL_FORMAT) + 10];
    sprintf(level_file, LEVEL_FORMAT, level);
    ret_val = LoadLevel(level_file, level);
    delete level_file;
    return ret_val;

}

bool Engine::LoadLevel ( int level )

Load specified level.

void Engine::MouseMove	(	int	x,
		int	y
	)

Definition at line 572 of file Engine.cpp.

Referenced by mouse_passive_motion_func().

{
    if (!mpDefaultController->ProcessMouseMove(x, y) )
    {
        if (mpActiveController)
            mpActiveController->ProcessMouseMove(x, y);
    }
}

void Engine::MouseMove	(	int	x,
		int	y
	)

void Engine::MousePress	(	int	button,
		int	state,
		int	x,
		int	y
	)

Definition at line 581 of file Engine.cpp.

Referenced by mouse_press_func().

{
    if (!mpDefaultController->ProcessMousePress(button, state, x, y) )
    {
        if (mpActiveController)
            mpActiveController->ProcessMousePress(button, state, x, y);
    }
}

void Engine::MousePress	(	int	button,
		int	state,
		int	x,
		int	y
	)

bool Engine::NewGame ( int level = 1 )

Load level and reset lives.

Definition at line 785 of file Engine.cpp.

{
    mLives = 3;
    return LoadLevel(level);
}

bool Engine::NewGame ( int level = 1 )

Load level and reset lives.

void Engine::NextLevel ( )

Increment level.

Definition at line 253 of file Engine.cpp.

Referenced by ShortcutController::ProcessKey(), and CollisionMaster::UpdateCollisions().

{
    if (mCurrentLevel == mLevels)
    {
        mpStatusDisplay->Clear();
        mpStatusDisplay->Print("Congratulations");
        mpStatusDisplay->SetLongLife(true);
    }
    else
        LoadLevel(mCurrentLevel+1);
}

void Engine::NextLevel ( )

Increment level.

bool Engine::Pause ( )

Pause animation.

bool Engine::Pause ( )

Pause animation.

Definition at line 759 of file Engine.cpp.

Referenced by l_engine_pause(), and ShortcutController::ProcessKey().

{
    if (!mbAnimeEnabled)
        return false;

    mpStatusDisplay->Print("\nPause");
    mpStatusDisplay->Reset();
    mpStatusDisplay->SetLongLife(true);
    mbAnimeEnabled = false;   
    return true;
}

void Engine::PostOperation ( const Operation & operation )

Definition at line 677 of file Engine.cpp.

Referenced by post_operation().

{
    pthread_mutex_lock(&mOperationMutex);
    mOperations.push_back(operation);
    pthread_mutex_unlock(&mOperationMutex); 
}

void Engine::PostOperation ( const Operation & operation )

void Engine::QuadView ( ) [private]

3D views for Quads

Definition at line 399 of file Engine.cpp.

{
   glViewport (0, 0, (GLsizei) mScreenWidth, (GLsizei) mScreenHeight); 
   glEnable(GL_LIGHTING);
     
   glMatrixMode (GL_PROJECTION);
   glLoadIdentity ();
   gluPerspective(45.0, (GLfloat) mScreenWidth/(GLfloat) mScreenHeight, 5.0, 45.0);
   glMatrixMode(GL_MODELVIEW);
   
   glLoadIdentity();
   glDepthMask(GL_TRUE);
  
   glRotatef(15, -1.0, 0.0, 0.0);
   
   gluLookAt(mViewPos[0], mViewPos[1], mViewPos[2],
             mViewCenter[0], mViewCenter[1], mViewCenter[2], 
             mViewUp[0], mViewUp[1], mViewUp[2]);
   GLfloat light_position[] = { -1.0, 1.0, 0.0, 0.0 };
   glLightfv(GL_LIGHT0, GL_POSITION, light_position);
  
}

void Engine::QuadView ( ) [private]

3D views for Quads

void Engine::RemoveEventListener ( EventListener * el )

remove el from event listeners list

void Engine::Reshape	(	int	width,
		int	height
	)		`[private]`

Definition at line 427 of file Engine.cpp.

Referenced by reshape().

{    
   mScreenWidth = w;
   mScreenHeight = h;
}

void Engine::Reshape	(	int	width,
		int	height
	)		`[private]`

bool Engine::Resume ( bool updateStatus )

Resume animation.

Parameters:

updateStatus if set it will update and show status screen as well

Definition at line 771 of file Engine.cpp.

Referenced by l_engine_resume(), and ShortcutController::ProcessKey().

{
    if (mbAnimeEnabled)
        return true;

    mbAnimeEnabled = true;
    
    if (updateStatus)
    {
        mpStatusDisplay->Print("\nResume");
        mpStatusDisplay->SetLongLife(false);
    }
    return true;
}

bool Engine::Resume ( bool updateStatus )

Resume animation.

Parameters:

updateStatus if set it will update and show status screen as well

void Engine::SendEvent ( EventListener::EventType evt )

send event to all listeners

void Engine::SetActiveController ( Controller * controller )

Definition at line 489 of file Engine.cpp.

Referenced by ShortcutController::ProcessKey().

{
    mpActiveController = controller;
}

void Engine::SetActiveController ( Controller * controller )

void Engine::SetActiveDisplay ( TextDisplay * display )

Definition at line 484 of file Engine.cpp.

References display().

Referenced by ShortcutController::ProcessKey().

{
    mpActiveDisplay = display;
}

void Engine::SetActiveDisplay ( TextDisplay * display )

void Engine::SetViewer	(	double	x,
		double	y,
		double	z
	)

void Engine::SetViewer	(	double	x,
		double	y,
		double	z
	)

Definition at line 265 of file Engine.cpp.

References Box::WALL1, Box::WALL2, Box::WALL3, Box::WALL4, x, y, and z.

Referenced by l_engine_setviewer(), and ViewController::ProcessKey().

{
    mViewPos[0] = x;
    mViewPos[1] = y;
    mViewPos[2] = z;
    if (!mpBox)
        return;

    double m_k = mBoxDim[2] / mBoxDim[0];
    double m_lz = mBoxDim[2];
  
    double 
        t1 = m_k * x + z - m_lz,
        t2 = -m_k * x + z;

    if (t1 >=0 && t2 >= 0)
        mpBox->HideWall(Box::WALL1);
    else if (t1 >=0)
        mpBox->HideWall(Box::WALL2);
    else if (t2 >=0)
        mpBox->HideWall(Box::WALL3);
    else
        mpBox->HideWall(Box::WALL4);  
 
    mbDisplayUptodate = false;
}

void Engine::SetViewerLook	(	double	x,
		double	y,
		double	z
	)

void Engine::SetViewerLook	(	double	x,
		double	y,
		double	z
	)

Definition at line 292 of file Engine.cpp.

References x, y, and z.

{
    mViewCenter[0] = x;
    mViewCenter[1] = y;
    mViewCenter[2] = z;

}

bool Engine::Start ( )

Create window and display scene.

bool Engine::Start ( )

Create window and display scene.

Definition at line 689 of file Engine.cpp.

References APP_TITLE, display(), idle_func(), keyboard_func(), keyboard_spec(), keyboardup_func(), keyboardup_spec(), reshape(), and timer_func().

Referenced by run_engine().

{
    glutInitDisplayMode (GLUT_DEPTH | GLUT_DOUBLE | GLUT_RGB);
     
    glutInitWindowSize (mWindowWidth, mWindowHeight); 
    glutInitWindowPosition (100, 100);
    glutCreateWindow(APP_TITLE);
    
    // Uncoment to see the fog
    /*glEnable(GL_FOG);
    {
      GLfloat fogColor[4] = {0.5, 0.5, 0.5, 1.0};

      glFogi (GL_FOG_MODE, GL_EXP2);
      glFogfv (GL_FOG_COLOR, fogColor);
      glFogf (GL_FOG_DENSITY, 0.05);
      glHint (GL_FOG_HINT, GL_DONT_CARE);
      glFogf (GL_FOG_START, 5.0);
      glFogf (GL_FOG_END, 20.0);
   }
   */
    glClearColor(mWindowColor[0], mWindowColor[1], mWindowColor[2], 0.0);
    glShadeModel(GL_SMOOTH);
      
    glEnable(GL_LIGHTING);
    glEnable(GL_LIGHT0);
    GLfloat white_light[] = { 1.0, 1.0, 1.0, 1.0 };
    
    glLightfv(GL_LIGHT0, GL_DIFFUSE, white_light);
    glLightfv(GL_LIGHT0, GL_SPECULAR, white_light);


    GLfloat lmodel_ambient[] = { 0.6f, 0.6f, 0.6f, 1.0f };
    glLightModelfv(GL_LIGHT_MODEL_AMBIENT, lmodel_ambient);
  
    if (mbLocalViewer)
    {
        glLightModeli(GL_LIGHT_MODEL_LOCAL_VIEWER, GL_TRUE);
    }

    glEnable(GL_DEPTH_TEST);
    
    glutDisplayFunc(display); 
    glutReshapeFunc(reshape);
    
    glutKeyboardFunc(keyboard_func);
    glutKeyboardUpFunc(keyboardup_func);
    // This feature is not ready yet. Use Keyboard only.
    // glutMouseFunc(mouse_press_func);
    // glutPassiveMotionFunc(mouse_passive_motion_func);
   // glutMotionFunc(mouse_passive_motion_func);
    glutSpecialFunc(keyboard_spec);
    glutSpecialUpFunc(keyboardup_spec);
    glutIgnoreKeyRepeat(GLUT_KEY_REPEAT_ON);
     
    glutTimerFunc(mTimerDelay, timer_func, 0);
    glutIdleFunc(idle_func);
    
    mbStopped = false;
    glutMainLoop();
    return true;
}

TextDisplay* Engine::StatusDisplay ( ) const

TextDisplay * Engine::StatusDisplay ( ) const

Definition at line 474 of file Engine.cpp.

Referenced by ShortcutController::ProcessKey().

{
    return mpStatusDisplay;
}

bool Engine::Stop ( )

Destroy window.

Definition at line 753 of file Engine.cpp.

Referenced by l_engine_stop().

{
    Pause();
    mbStopped = true;
    return true;
}

bool Engine::Stop ( )

Destroy window.

void Engine::TextView ( ) [private]

2D view to display menus

void Engine::TextView ( ) [private]

2D view to display menus

Definition at line 378 of file Engine.cpp.

References MIN.

{
    GLfloat dim = MIN(mScreenWidth, mScreenHeight);
    GLfloat delta = mScreenWidth - mScreenHeight;
    if (delta > 0)
        glViewport(delta/2, 0.0, dim, dim);
    else 
        glViewport(0.0, delta/2, dim, dim);

    glDisable(GL_LIGHTING);
    
    glDepthMask(GL_FALSE);
    glMatrixMode (GL_PROJECTION);
    glLoadIdentity();

    gluOrtho2D(0.0, 100, 0.0, 100);
     
    glMatrixMode(GL_MODELVIEW);
    glLoadIdentity();
  
}

void Engine::TimeTick ( ) [private]

Definition at line 595 of file Engine.cpp.

References EventListener::EV_TICK, LOGW, and timer_func().

Referenced by timer_func().

{    
    static int br = 0;
    SendEvent(EventListener::EV_TICK);

    glutTimerFunc(mTimerDelay, timer_func, 0);
   
    if (!mbAnimeEnabled)
        return;
   
    if (mbDisplayProcessing)
        LOGW("display processing");
    mbDisplayProcessing = true;

    mpCollisionMaster->UpdateCollisions();
    
    // move viewer
    if (mpViewBongoFollower)
        mpViewBongoFollower->Move();
   
#if defined(CODE_LINUX) || defined(CODE_MAC)
    static timeval tv;
    gettimeofday(&tv, 0);
    unsigned long new_time = tv.tv_sec * 1000000 + tv.tv_usec;
    new_time *= 10;
#endif 

#ifdef CODE_WINDOWS
    // updating fps display
    FILETIME    currtime_file;
    SYSTEMTIME  currtime_sys;

    GetSystemTime(&currtime_sys);
    
    if (!SystemTimeToFileTime(&currtime_sys, &currtime_file) )
        return;
    
    unsigned long new_time = currtime_file.dwLowDateTime;
#endif
    unsigned long time_dif = new_time - mLastUpdateTime;

    
    int fps = -1;
    if (time_dif)
        fps = 10000000 / time_dif;
    static unsigned long time_ruff = 0;
    time_ruff += time_dif;
    if (time_ruff > 5000000)
    {
        time_ruff = 0;
        char buf[50];
        sprintf(buf, "\n%d fps", fps); 
      
        if (mpFpsDisplay) 
            mpFpsDisplay->Print(buf);
        
    }
    mLastUpdateTime = new_time;

    glutPostRedisplay();
    mbDisplayProcessing = false;
}

void Engine::TimeTick ( ) [private]

bool Engine::UnLoad ( )

Unload Level.

bool Engine::UnLoad ( )

Unload Level.

Definition at line 927 of file Engine.cpp.

Referenced by l_engine_unloadlevel().

{
    list<Quad*>::iterator i;

    for (i = mQuads.begin(); i != mQuads.end(); i++)
    {
        delete *i;
    }
    mQuads.clear();
    delete mpBongoMover;
    mpBongoMover = 0;

    delete mpLevelName;
    mpLevelName = 0;
    return true;
}

void Engine::UpdateLivesDisplay ( ) [private]

Definition at line 918 of file Engine.cpp.

Referenced by CollisionMaster::Collision().

{
    mpLivesDisplay->Clear();
    char buf[10];
    sprintf(buf, "^:%.2d", mLives);
    mpLivesDisplay->Print(buf);
    
}

Friends And Related Function Documentation

BongoOrthoMover [friend]

Definition at line 243 of file Engine.h.

BongoRealMover [friend]

Definition at line 244 of file Engine.h.

CollisionMaster [friend]

Definition at line 232 of file Engine.h.

void display ( void ) [friend]

Definition at line 314 of file Engine.cpp.

{
   glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
   gEngine.Display();
   glutSwapBuffers();
}

void display ( void ) [friend]

Definition at line 314 of file Engine.cpp.

{
   glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
   gEngine.Display();
   glutSwapBuffers();
}

void idle_func ( void ) [friend]

Definition at line 433 of file Engine.cpp.

{
    // execute pending operations
    pthread_mutex_lock(&gEngine.mOperationMutex);
    
    while (gEngine.mOperations.size() > 0)
    {
        Operation oper = gEngine.mOperations.front();
        gEngine.mOperations.pop_front();
        oper.mfOperation(oper.mpArg); 
    }  
    
    pthread_mutex_unlock(&gEngine.mOperationMutex); 
    

    static int i = 0;
    if (gEngine.mbStopped)
    {
        glutIdleFunc(NULL);
        // mac will work in main thread
#ifdef CODE_MAC
        exit(0);
#else
        pthread_exit(0);
#endif
    }
    if (!gEngine.mbDisplayUptodate)
    {
        glutPostRedisplay();
    }
}

void idle_func ( void ) [friend]

Definition at line 433 of file Engine.cpp.

{
    // execute pending operations
    pthread_mutex_lock(&gEngine.mOperationMutex);
    
    while (gEngine.mOperations.size() > 0)
    {
        Operation oper = gEngine.mOperations.front();
        gEngine.mOperations.pop_front();
        oper.mfOperation(oper.mpArg); 
    }  
    
    pthread_mutex_unlock(&gEngine.mOperationMutex); 
    

    static int i = 0;
    if (gEngine.mbStopped)
    {
        glutIdleFunc(NULL);
        // mac will work in main thread
#ifdef CODE_MAC
        exit(0);
#else
        pthread_exit(0);
#endif
    }
    if (!gEngine.mbDisplayUptodate)
    {
        glutPostRedisplay();
    }
}