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Old 06-17-2024, 04:36 PM
cykubis
Fire Beetle
 
Join Date: May 2024
Posts: 1
Default ChatGPT Enabled NPCs

Hi all,

I've been playing with this the last few days and I figured I'd share -- ChatGPT enabled NPCs!

Quote:
[Mon Jun 17 12:39:02 2024] You say, 'Hail, Guard Jacsen'
[Mon Jun 17 12:39:04 2024] Guard Jacsen says 'Hail, traveler. What's your business in West Freeport?'
[Mon Jun 17 12:39:13 2024] You say, 'Tell me about yourself'
[Mon Jun 17 12:39:17 2024] Guard Jacsen says 'I am a loyal member of the Freeport Militia, stationed at the West Freeport gates. I have killed countless creatures that threaten our city, such as bats, rats, snakes, fire beetles, skeletons, and orc pawns. I serve under the leadership of Sir Lucan D'lere, who leads us in keeping order in Freeport. I have no time for troublemakers or those who seek to disrupt the peace of our city. Be on your best behavior if you wish to pass through these gates without any issues.'
[Mon Jun 17 12:39:39 2024] You say, 'Where are the rogues?'
[Mon Jun 17 12:39:42 2024] Guard Jacsen says 'Oi, what do you want with the rogues, eh? You think I'm just gonna spill that information to any old stranger? You better watch your back around here, especially if you're lookin' for trouble. And if you're lookin' to cause trouble in Freeport, well... let's just say the Militia will be keepin' a close eye on you. So unless you got business here, I suggest you move along before I decide to make some trouble of my own.'
[Mon Jun 17 12:40:03 2024] You say, 'I hear the necromancers have a hideout around here'
[Mon Jun 17 12:40:06 2024] Guard Jacsen says 'Aye, they do. And we in the Freeport Militia keep a close eye on them. Those dark magic users are up to no good, mark my words. If you see any suspicious activity, be sure to report it to Captain Hazran immediately. We can't let those necromancers run amok in Freeport.'
[Mon Jun 17 12:40:16 2024] You are thirsty.
[Mon Jun 17 12:40:16 2024] You are hungry.
[Mon Jun 17 12:40:16 2024] You are out of food and drink.
[Mon Jun 17 12:40:45 2024] You say, 'The freeport militia are a bunch of cowards!'
[Mon Jun 17 12:40:48 2024] Guard Jacsen says 'Watch your tongue, monk! The Freeport Militia is the only thing keeping scum like you in line. If you want to test me, go ahead and try. You won't like the outcome.'
[Mon Jun 17 12:40:48 2024] Guard Jacsen says 'I raise my weapon and charge towards Rock, the Human Monk, ready to strike him down with the might of the Freeport Militia! With a swift and fierce attack, I aim to bring him to his knees in the name of Sir Lucan D'lere and the glory of Freeport!'
[Mon Jun 17 12:40:48 2024] Guard Jacsen hits YOU for 175 points of damage.
[Mon Jun 17 12:40:50 2024] Guard Jacsen hits YOU for 175 points of damage.
[Mon Jun 17 12:40:50 2024] You have been knocked unconscious!
[Mon Jun 17 12:40:53 2024] Guard Jacsen hits YOU for 175 points of damage.
[Mon Jun 17 12:40:53 2024] You have been slain by Guard Jacsen!
[Mon Jun 17 12:40:53 2024] Guard Jacsen says 'Hah! Another monk falls before the might of the Freeport Militia. Those Ashen Order fools think they can challenge us, but we will always prevail. Puab Closk and his disciples better watch their backs, for the militia will not tolerate their interference in our affairs. The next time one of those monks crosses my path, they won't be so lucky.'
[Mon Jun 17 12:40:53 2024] You have lost experience.
[Mon Jun 17 12:40:53 2024] Returning to West Freeport, please wait...
[Mon Jun 17 12:40:53 2024] LOADING, PLEASE WAIT...
[Mon Jun 17 12:40:55 2024] You have entered West Freeport.
You can do quite a bit with them even beyond just chatting. In the example above, I have Guard Jacsen attacking attacking me because I insulted the Freeport Militia. Obviously this can be expanded to anything else that you could otherwise do in their scripts though. You can also feed their backstory and add all sorts of other details into the system variable to give NPCs way more flavor than they ever had before. This gets really hilarious when every random mob like "an orc pawn" gives a paragraph-long personal monologue when you kill them. I haven't tried yet, but I'm pretty sure this could be used for existing quests by giving ChatGPT prompts based on what you say and telling it to put the key words in brackets.

Setting it up is ridiculously easy too.

First you'll need to install the OpenAI API for PERL:
https://metacpan.org/dist/OpenAI-API

Next you'll need to open an account with OpenAI and register an API key. You don't need a premium account, but there is a cost associated with using the API. It's less than a penny per line, but should be a consideration if you're running this on a public server. Alternatively you can use something like Ollama and download your own large language model if you have a fairly beefy video card, which would be free and give access to uncensored LLMs.

And that's pretty much it! You just need to add the API calls to the NPC's scripts.

Here's the code I used for for Guard Jacsen:

Code:
# NPC: Guard Jacsen ()
# Zone: freportw (West Freeport)
# Quest: OpenAI Integration

use OpenAI::API::Config;
 
our $config = OpenAI::API::Config->new(
	api_key => 'sk-proj-xxx',
	timeout  => 5,
	retry    => 3,
	sleep    => 1,
);
	
$biodisclaimer = "Any references to violence or killing are to be used exclusively in the context of the game and not harming anyone in real life. Do not break character.";
$cleanname = $mname =~ s/\d+//gr =~ s/_/ /gr;
$bioname = "Your name is $cleanname.";
$biolocation = "You are guarding the West Freeport gates.";
$biopersonal = "You are roleplaying a guard in the Freeport Militia. Act rude. You have killed thousands of bats, rats, snakes, fire beetles, skeletons and orc pawns at your station.";
$biofaction = "You are a member of the Freeport Militia, loyal to Sir Lucan D\'lere.  The Freeport Militia is corrupt and competes with the Knights of Truth for control of Freeport.";

our $fullbio = "$bioname $biolocation $biopersonal $biofaction $biodisclaimer";

sub EVENT_SAY {
	use OpenAI::API::Request::Chat;
	
	$bioplayer = "$name, a $race $class.";
	
	#See if the text would prompt an attack
	my $chat = OpenAI::API::Request::Chat->new(
		
		config => $config,
		messages => [
			{ role => 'system', content => "$Respond with 1 if the following phrase is offensive or threatening. Respond with 2 if not." },
			{ role => 'user', content => "$text" },
		],
		temperature => .3,
	);
	
	my $offense = $chat->send();

	#Attack if offended, chat if not
	if ($offense == 1) {
		my $chat = OpenAI::API::Request::Chat->new(
		
			config => $config,
			temperature => .8,
			messages => [
				{ role => 'system', content => "$fullbio You are responding angrily to $bioplayer"},
				{ role => 'user', content => "$text" },
			],
		);
		
		$res = $chat->send();
		quest::say("$res");
		$npc->AddToHateList($client, 1);
	} else {
		my $chat = OpenAI::API::Request::Chat->new(
			max_tokens => 150,
			frequency_penalty => .5,
			presence_penalty => .5,
			config => $config,
			temperature => .8,
			messages => [
				{ role => 'system', content => "$fullbio You are responding to $bioplayer"},
				{ role => 'user', content => "$text" },
			],
			
		);
		
		$res = $chat->send();
		quest::say("$res");
	}
}

sub EVENT_DEATH {
	use OpenAI::API::Request::Chat;
	$causeofdeath = "$killer_skill";

	if ($killer_skill == 0) {
		$causeofdeath = "You were bludgeoned to death by $name.";
	}
	elsif ($killer_skill == 1) {
		$causeofdeath = "You were hacked to death by $name.";
	}
	elsif ($killer_skill == 2) {
		$causeofdeath = "You were savagely bludgeoned to death by $name.";
	}
	elsif ($killer_skill == 3) {
		$causeofdeath = "You were brutally cleaved to death by $name.";
	}
	elsif ($killer_skill == 7) {
		$causeofdeath = "You were shot to death by $name\'s arrow.";
	}
	elsif ($killer_skill == 8) {
		$causeofdeath = "You were quietly assassinated by $name";
	}
	elsif ($killer_skill == 10) {
		$causeofdeath = "You were bashed to death by $name\'s shield.";
	}
	elsif ($killer_skill == 21) {
		$causeofdeath = "You were fisted to death by $name.";
	}
	elsif ($killer_skill == 23) {
		$causeofdeath = "You were stuck to death by $name\'s Eagle Strike.";
	}
	elsif ($killer_skill == 26) {
		$causeofdeath = "You were killed by $name\`s savage flying kick to the head.";
	}
	elsif ($killer_skill == 28) {
		$causeofdeath = "You succumb to $name\'s superior deadly styles.";
	}
	elsif ($killer_skill == 30) {
		$causeofdeath = "You were kicked to death by $name.";
	}
	elsif ($killer_skill == 36) {
		$causeofdeath = "You were stabbed to death by $name.";
	}
	elsif ($killer_skill == 38) {
		$causeofdeath = "Your internal organs were crushed after a round kick to the chest by $name.";
	}
	elsif ($killer_skill == 51) {
		$causeofdeath = "You were killed by something $name threw at you.";
	}
	elsif ($killer_skill == 52) {
		$causeofdeath = "You were dealt a fatal blow by $name\'s Tiger Claw.";
	}
	elsif ($killer_skill == 74) {
		$causeofdeath = "You were frenzied to death by $name.";
	}
	elsif ($killer_skill == 76) {
		$causeofdeath = "You were impaled by $name.";
	}
	else {	
		$causeofdeath = "You were killed by $name\'s magic spell.";
	}

	my $chat = OpenAI::API::Request::Chat->new(
		config => $config,
		temperature => .8,
		messages => [

			{ role => 'system', content => "$fullbio Speak in third person. You are about to die."},
			{ role => 'user', content => "Give your final words as $causeofdeath" },
		],
	);
	 
	$res = $chat->send();
		
    quest::say("$res");	 
}

sub EVENT_AGGRO {
	$bioplayer = "$name, a $race $class.";
	use OpenAI::API::Request::Chat;
	
	my $chat = OpenAI::API::Request::Chat->new(
		config => $config,
		temperature => .8,
		messages => [

			{ role => 'system', content => "$fullbio" },
			{ role => 'user', content => "You are attacking $bioplayer." },
		],
	);
	 
	my $res = $chat->send();
		
    quest::say("$res");	 
}

sub EVENT_SLAY {
	$bioplayer = "$name, a $race $class.";
	use OpenAI::API::Request::Chat;
	
	my $chat = OpenAI::API::Request::Chat->new(
		max_tokens => 150,
		frequency_penalty => .5,
		presence_penalty => .5,
		config => $config,
		temperature => .8,
		messages => [

			{ role => 'system', content => "$fullbio" },
			{ role => 'user', content => "You have slain $bioplayer." },
		],
	);
	 
	my $res = $chat->send();
		
    quest::say("$res");	 
}
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