T2A / Virtual Armor

[Dustyn]

I have been working on a T2A shard for a very long time, and I'm very advanced, however there's a thing I have never been able to put my finger on, because it's a complete mystery.

I've solved the "1 damage" thing when it comes to PvP, but it's when it comes to monsters that I'm having trouble. They are using Virtual Armors, and I have no idea how to make it era accurate...

When I compare my scripts to UO : Rebirth, this is what I realize :

- All monsters have half Virtual Armor of what mine have. Example : Liches on Rebirth have 25 virtual armors, while the basic RunUO one has 50... And it's like this for all monsters.
- The RunUO Basic formula for Virtual armor in BaseWeapon is :

			int virtualArmor = defender.VirtualArmor + defender.VirtualArmorMod;

			if ( virtualArmor > 0 )
			{
				double scalar;

				if ( chance < 0.14 )
					scalar = 0.07;
				else if ( chance < 0.28 )
					scalar = 0.14;
				else if ( chance < 0.42 )
					scalar = 0.15;
				else if ( chance < 0.56 )
					scalar = 0.22;
				else
					scalar = 0.35;

				int from = (int)(virtualArmor * scalar) / 2;
				int to = (int)(virtualArmor * scalar);

				damage -= Utility.Random( from, (to - from) + 1 );
			}

			return damage;

The one of Rebirth is :

			int virtualArmor = ( defender.VirtualArmor + defender.VirtualArmorMod );
			if ( virtualArmor > 0 )
				damage -= Utility.RandomMinMax( virtualArmor / 2, virtualArmor ) / 2;

			return damage;

It seems to be VERY simplified! Anyone old enough to tell me what would be accurate for T2A? I was way too young when I used to play the original one so I have no idea what it was like even if I was testing them myself!

Also :
- I had found a waybackmachine page that lists all the T2a weapon damages and speeds, but there exists no page (or at least that I can find) that would list the virtual armors of all monsters back in T2A.

Thanks for your help if I can get any

 

[Grimoric]

They are using data from the demo.

VirtualArmors real name in the demo is naturalac and is short for Natrual Armor Class.

A Orc Captain looks like this:
[article]
# orc captain Difficulty 6
<type NORMAL ORC_CAP>
<frequency 95>
<region { ORCCAPSMALL 0 ORCCAPMEDIUM 0 ORCCAPLARGE 0 FORESTNOTNEARTOWN 0 DARKFOREST 0 DARKERFOREST 0 ORCCAMP 0 ORC 0 } >
<regionlimit { ORCCAPSMALL 3 ORCCAPMEDIUM 8 ORCCAPLARGE 18 FORESTNOTNEARTOWN 5 DARKFOREST 15 DARKERFOREST 25 ORCCAMP 15 ORC 2 } >
<sex OTHER>
<name 538>
<corpsename Orcish>
<alignment EVIL>
<notoriety -125>
<objvar int spellCastersLevel 1d3+1>
<objvar int nonHuman 0>
<script nonhuman>
<script nonhumaneq>
<script loot>
<sfxnotice monster_orc1>
<sfxidle monster_orc2>
<sfxhit monster_orc3>
<sfxwashit monster_orc4>
<sfxdie monster_orc5>
<strength 1d35+110>
<intelligence 1d25+85>
<dexterity 1d35+100>
<hp 1d35+110>
<mana 1d25+85>
<stamina 1d35+100>
<sk skill_melee 1d150+850>
<sk skill_magic_defense 1d150+700>
<sk skill_battle_defense 1d250+700>
<sk skill_magic 1d250+600>
<sk skill_weapon_slashing 1d250+700>
<naturalwc 2d9>
<naturalac 17>
<eq { rich_backpack 3 filthyrich_backpack 1 } 0 0 1>
<eq thigh_boots 0 0 1 SELFCONTAINED>
<eq { random_jewel 1 0 1 } 0 0 1 SELFCONTAINED>
<friends { 538 0 602 0 603 0 542 0 }>
<resource food 15 3 MEAT>
<resource shelter 576 1 CAVES>
<resource shelter 576 1 DUNGEONS>
<resource shelter 64 1 ORCCAMP>
<resource production 9 0 CARNIVOREMEAT>
<resource production 16 1 ORCCAMP>
<resource desire 1 -3 DANGER>
<resource desire 5 1 SELF>
<@@@ END @@@>
[/article]

Here are some links added.
[article]
Demo info collector script for OSI developers.
https://github.com/Grimoric/UODEMO/blob/master/scripts.uosl/info.uosl.q

The datafile with all monsters and NPCs
https://github.com/Grimoric/UODEMO/blob/master/bank/templatestable.dat.q
[/article]

Here is a Bardiche with all old stats
[article]
weapon.1:Name: Bardiche
weapon.1-Weapon Class: 4d8+3
weapon.1-Armor Class: 0
weapon.1-Hit Points: 30+1d70
weapon.1-Speed: 30
weapon.1-Range: 1
weapon.1-Min Range: 0
weapon.1-Type: Slashing
weapon.1-Handedness: Twohanded
weapon.1-Strength Needed: 40
weapon.1-Ammo Type: 0
weapon.1-Bow: 0
weapon.1-HitFx: 566
weapon.1-MissFx: 569

All data can be found here:
https://github.com/Grimoric/UODEMO/blob/master/weapons/stats.q
[/article]
- Grim

 

[Dustyn]

Wow those links are a lot of help I did not know these sources!

Okay RIGHT so practically :

1. From what I'm noticing, there's a pattern in which NaturalAC is being half of what Virtual Armors are in the RunUO Scripts. So if I lower all of these VirtualArmors by 50%, then it should be the equivalent.

2. But as for the formula in BaseWeapon... any idea in what script I'm going to find how the damages were calculated? or I have to go through all 2000 scripts named with a number? xD If it doesn't exist anywhere might as well tell me now or I'mm waste a whole week hahaha

 

[Grimoric]

Some of the code is functions inside the exe file. The only call we have is attack(mob_attacker, mob_target) and we can't see the calculations in a internal function. The demo have to be run with IDA dissembler to see what is happen in the internal function.

 

[Jack]

According to stratics in 1999, damage absorbed by armor was equal to between half to 100% of the base AR rating of the hit location.

In pre AOS RunUO, there is a major problem with this calculation when it is done for VirtualArmor. The problem with RunUO's interpretation of it is that it simulates a "hit location" and then scales armor based off that. This is incorrect since monsters do not have individual pieces of armor - they have a flat base armor rating.

Rebirth has it almost right. Take a look at: http://web.archive.org/web/20000306053659/http://uo.stratics.com/combat.htm#8

Note that

• 5 base armor rating = 3-5 damage reduction
• 10 base armor rating = 5-10 damage reduction

Using the Rebirth formula you get:

• 5 base armor rating = 2-5 damage reduction (integers!)
• 10 base armor rating = 5-10 damage reduction

The odd thing is that damage reduction is once again halved in the Rebirth script, which I'm not entirely sure about. It's either a mistake or they found something in the demo suggesting this. This makes the final Rebirth values:

• 5 base armor rating = 1-2 damage reduction
• 10 base armor rating = 2-5 damage reduction