C++ Shut down the engine

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C++ Shut down the engine

#1 by fury22uk

Hi! I can't shut down the engine through C++ in CE 5.4 preview 3 . In 5.3 when map was loaded, I used unload cvar and then exit(0); to shut it down, but in 5.4 if I call exit(0);, then it freezes.
I tried:

Code: Select all

exit(0);

and

gEnv->pGameFramework->ShutdownEngine();

Second one also freezes. No crash, nothing. Console says "Exited with code 0 (0x0)", which is fine, but it doesn't disappear.
Are there any other methods?

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Re: C++ Shut down the engine

#2 by mknmknmknjk

there is maybe a console command quit.
try that. other methord is not exited gracefully.

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Re: C++ Shut down the engine

#3 by fury22uk

I've noticed. I found also Quit() function but it doesn't shut down. I tried terminate() and it indeed shut down everything but it crashes after all. I tried your way. Cvar Quit works ! Thank you ! Solution :

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gEnv->pConsole->ExecuteString("quit", false, true);

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Re: C++ Shut down the engine

#4 by charalampos

Hope I understand well the issue, you want to terminate your "game" from c++ code. If not, just ignore this

For me it works like this:

Add to "defaultprofile.xml" another action for the key you want to press for quiting (I use "escape")

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<action name="escape" onPress="1" onRelease="1" retriggerable="1" keyboard="escape"/>

Add in the Initialize function of the player component (in "player.cpp")

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// Register the action
m_pInputComponent->RegisterAction("player", "escape", [this](int activationMode, float value)
	{
		if (activationMode == eIS_Released)
		{
			gEnv->pSystem->Quit();
		}
});

// Bind the escape action to the escape key
m_pInputComponent->BindAction("player", "escape", eAID_KeyboardMouse, EKeyId::eKI_Escape);

Hope that helps
Charalampos

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Re: C++ Shut down the engine

#5 by fury22uk

Yeah it was an old topic. However, it wasnt about getting actions from keyboard, but to find proper way to exit game.

Also, I don't know why you even bother putting your keyboard action in defaultprofile.xml. you can remove it from there and it will still work because your key is already defined in eKI_Escape

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Re: C++ Shut down the engine

#6 by charalampos

I didn't want to show how to get keyboard actions. I've put a little bit more code than just "gEnv->pSystem->Quit();" only because I thought it is better to show exactly what I have done. And sure this is probably not the best way, it just not crash for me

Thanks für pointing out about the defaultprofile.xml, I thought I have to put the actions there anywhere. I don't use the engine very often nor I am a good programmer, just want to test 5.4.

Cheers
Charalampos

Re: C++ Shut down the engine

#7 by Traibus

The same problem is with me. Unfortunately, the old topic did not solve the problem at the moment.
I'm waiting for new solutions, I'm trying to fix it for my part.
I'll write later

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My new project is Bestazy.End at March 29.2018.

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Re: C++ Shut down the engine

#8 by Cry-Flare

This topic appears to be solved.

For reference, the console command "Quit" internally just calls pSystem->Quit(); so I wonder why you are having trouble using this function directly. It is the proper method to quit the application.
If there are other issues it may be best to start a new topic, as the subject matter of this topic has been solved.

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Re: C++ Shut down the engine

#9 by lavizh

viewtopic.php?f=36&t=4600&p=12042#p12042

He's using C++ not Flowgraph. One is efficient, the other is not. C++ is always recommended over Flowgraph.

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