Switching scene???

[natol]

Okay here's the question.

How do I go from the User Interface like screen to the game screen such as the movement one.

do I have to erase or hide the objects and then redraw the scene with new ones....

what I mean is when I press let say a "play" button it takes the screen from the user interface to a loading bar then the scene for the game.

[Oz]

This may help
http://www.skyesurfer.net/keless/IrrLicht/ICE/

Or you can have multiple cameras. One FPS and another that you could use to render your interface (could even be a 3D interface then)
Then setActiveCamera between them. I do that so I can roam in my world then when I press CTRL I can use the onscreen GUI to press buttons;)

[bal]

Check the Techdemo example source for a way to do this.

[natol]

thank you...

I will try this as soon as I can and let you know....

[natol]

okay I like the idea of the multiple cameras.

Just wondering on when you switch them how do you define what goes on one camera and the other would you use an if statement...

if (camera1)
{
camera1objects
}

or would you use a case statement????

[natol]

Ok what I'm trying to do is get it to where when I press the I key it will switch to the GUI Scene....

if (event.EventType == EET_KEY_INPUT_EVENT )
{


switch(event.EventType)
{
case KEY_KEY_I:

was wondering if this is the way to start the code???

[Oz]

Hold on to your but, heres my source
(g_ID is a global pointer to an IrrLichtDevice class, im lazy)
g_ID->GUIMode is a bool to store the current state

Code: Select all

The function to switch from FPS to GUI camera (has a "flickering" bug)
void setGUIMode(bool mode)
{
	if(mode)
	{
		if(!g_ID->GUIMode)
		{
			g_ID->GUICamera->setTarget(g_ID->Camera->getTarget());
			g_ID->GUICamera->setPosition(g_ID->Camera->getPosition());

		//	FIXME: Its flickering
			g_ID->Smgr->setActiveCamera(g_ID->GUICamera);

			g_ID->Device->getCursorControl()->setVisible(true);
		}
	}
	else if(g_ID->GUIMode)
	{
		g_ID->Camera->setPosition(g_ID->GUICamera->getPosition());

		g_ID->Smgr->setActiveCamera(g_ID->Camera);

		g_ID->Device->getCursorControl()->setVisible(false);
	}

	g_ID->GUIMode = mode;	//	New mode set
}

then in my even reciever:

Code: Select all

		if(event.EventType == irr::EET_KEY_INPUT_EVENT)
		{
			if(!event.KeyInput.PressedDown)
			{
				switch(event.KeyInput.Key)
				{
					case KEY_ESCAPE:
					{
						dropDevice();	//	HACK: I want recv to be in "IrrLichtDevice"
						return true;
					}
					case KEY_CONTROL:
					{
						setGUIMode(false);
						return true;
					}
				}
			}
			else
			{
				switch(event.KeyInput.Key)
				{
					case KEY_CONTROL:
					{
						setGUIMode(true);
						return true;
					}
				}
			}
		}

Anyway, hope this helps

[natol]

I am so sorry , I didn't mean to double post....

Thanks for the code ...

I will try it out and you

I just needed some help with the event receiver....

[Oz]

I am so sorry , I didn't mean to double post....

I wouldnt worry too much, I dont think you can edit posts in this forum. My best is 3 in a row and no-one hit me

This is code from an early IrrLicht test project so you may need to fix some bits but I think its about what you asked for. (ignore the comments, mad ramblings)

Happy coding.

[natol]

Ok since I am starting to feel like a major newb....

when I go and try to use this part of the code:::

void setGUIMode(bool mode)
{
if(mode)
{
if(!g_ID->GUIMode)
{
g_ID->GUICamera->setTarget(g_ID->Camera->getTarget());
g_ID->GUICamera->setPosition(g_ID->Camera->getPosition());

// FIXME: Its flickering
g_ID->Smgr->setActiveCamera(g_ID->GUICamera);

g_ID->Device->getCursorControl()->setVisible(true);
}
}
else if(g_ID->GUIMode)
{
g_ID->Camera->setPosition(g_ID->GUICamera->getPosition());

g_ID->Smgr->setActiveCamera(g_ID->Camera);

g_ID->Device->getCursorControl()->setVisible(false);
}

g_ID->GUIMode = mode; // New mode set


I get the g_ID not declared error upon compiling....

maybe I'm not sticking the code in the right places?

Thanks for all the help...

[Oz]

Like I said, g_ID is a lazy way for me to store global pointers. Im no coding god. Anyway, use this class too, if you like.
(NOTE: This just rigs-up IrrLicht and stores pointers thats all, it was an experiment)

Code: Select all

class IrrLichtDevice	//	Note the mispelling to avoid clashes
{
public:	
	IrrLichtDevice(EDriverType driveType, dimension2d<s32> resoloution)
	{
		Device	= createDevice(driveType, resoloution, 32, true, false, &EvtRecv);
		Driver	= Device->getVideoDriver();
		Smgr	= Device->getSceneManager();
		GUIEnv	= Device->getGUIEnvironment();

		GUICamera = Smgr->addCameraSceneNode(0);
		GUIMode = false;	//	FIXED: 
//		GUICamera->setFarValue(2000);

	//	Dual WSAD CURSOR camera control (FPS style)
		SKeyMap keyMap[8];
		keyMap[0].Action	= EKA_MOVE_FORWARD;
		keyMap[0].KeyCode	= KEY_UP;
		keyMap[1].Action	= EKA_MOVE_FORWARD;
		keyMap[1].KeyCode	= KEY_KEY_W;

		keyMap[2].Action	= EKA_MOVE_BACKWARD;
		keyMap[2].KeyCode	= KEY_DOWN;
		keyMap[3].Action	= EKA_MOVE_BACKWARD;
		keyMap[3].KeyCode	= KEY_KEY_S;

		keyMap[4].Action	= EKA_STRAFE_LEFT;
		keyMap[4].KeyCode	= KEY_LEFT;
		keyMap[5].Action	= EKA_STRAFE_LEFT;
		keyMap[5].KeyCode	= KEY_KEY_A;

		keyMap[6].Action	= EKA_STRAFE_RIGHT;
		keyMap[6].KeyCode	= KEY_RIGHT;
		keyMap[7].Action	= EKA_STRAFE_RIGHT;
		keyMap[7].KeyCode	= KEY_KEY_D;

	//	Create this one last (for now)
		Camera = Smgr->addCameraSceneNodeFPS(0, 100, 1000, -1, keyMap, 8);
		Camera->setPosition(vector3df(2500,500,2500));

		Camera->setFOV(PI/2.5f);
//		Camera->setFarValue(2000);
	};

	~IrrLichtDevice(void)
	{
		Device->drop();
	};

	IrrlichtDevice		*Device;
	IVideoDriver		*Driver;
	ISceneManager		*Smgr;

//	Not so important?
	ICameraSceneNode	*Camera, *GUICamera;
	MyEventReceiver		EvtRecv;
	IGUIEnvironment		*GUIEnv;

	bool				GUIMode;
};

[Oz]

Then in my main():

Code: Select all

	IrrLichtDevice	ID(EDT_DIRECTX9, dimension2d<s32>(800, 600));
	g_ID = &ID;	//	Store global pointer for other functions

Like I said, im no coding god but I hope it helps!

[Oz]

Damn. Look ive posted 3 times in a row again sorry.

But at filescope (not in a function) I put this

IrrLichtDevice *g_ID;

And that is why your getting compilation errors. It was just my class, I hope your following cuz im bonkers.

[natol]

LOL.....

Thanks for the help I will go through all your code and learn from it...

some of the API is a little over my head still....

[bal]

LOL.....

Thanks for the help I will go through all your code and learn from it...

some of the API is a little over my head still....

No, it isn't . The explanations and the syntax of the API doc is a bit weird though, but once you know how it works you can understand most of it . And keep on asking if you don't know how something works.