Wednesday, June 23, 2010

...RB3 previews stolen from Dan

Dan just put up a bunch of previews of RB3 from E3. Check out the giant list or see below:
 

Awards and Nominations

1Up

Best Music Game 1UP's Best Games of E3 2010

Alternative Press
Top 10 Games of E3 10 Must Have Games From E3


Game Pro
Best of E3 Best of E3


Gamer Headquarters
Best Music Game of E3 Best of E3 2010


IGN
Best Music/Rhythm Game Best of E3


PC World
Thing that made me a fan of a series when I wasn't before: Rock Band 3's Real Guitars Fear and Loathing at E3: Awards and Accolades


Use My Things
Most Interesting E3 Awards


Articles

1Up
E3 2010: Rock Band 3 Pro Instruments Demo

1Up
Rock Band 3 (PS3)

4 Player Podcast
E3 2010: The David Awards

Aeropause
E3 Preview: Rock Band 3 (Multi)

AggroGamer
E3 2010 Hands-On: Rock Band 3

Ars Technica
Hands on: Rock Band 3 instruments reward real skill

Atomic Gamer
E3 2010 Preview: Rock Band 3

Attack of the Fanboy
News: MadCatz E3 2010 – Rock Band 3 gear, F.L.Y. 9 PS3 Wireless Flight Stick, Xbox 360 Wheel, more

Awesome Game Blog
E3 2010: Rock Band 3

Battle Strats
E3 2010: Rock Band 3 Preview

Big Picture Big Sound
E3 2010: 10 Best Games From the Electronic Entertainment Expo

Big picture sound
E3 2010: 10 Best Games From the Electronic Entertainment Expo

Bit Mob
Rock Band 3: A Skeptic's Take

Blip TV
E3 2010 Harmonix Rockband 3 Conference

Coin-OP Tv
E3 2010 Expo reactions (Tues-Thurs)

Coin-OP Tv
E3 Expo 2010

Consequence of Sound
Watch: Rock Band 3 (CoS Exclusive)

Coolest Gadgets
What else to expect from RockBand 3

CoS
Watch: Rock Band 3 (CoS Exclusive)

Crave
Rock Band 3 - E3 2010 Trailer

Crazy Gamer News
E3 2010: Rock Band 3 demo impressions (Gamer Tell)

Critical Gamer
E3: Rock Band 3 Preview

CtrlAltKill
Preview: Rock Band 3 to score you chicks and gigs?

Destructoid
E3 10: Rock Band 3 on DS detailed

Device Magazine
Rock Band 3 Review at E3

Dmonkey Studios
E3 2010 rockband 3 Conference

El Comercio
El juego 'Rock Band 3' que enseña a tocar música saldrá en noviembre

El Comercio
E3 2010 - Impresiones de Rock Band 3

Engadget
Rock Band 3 Fender Mustang Pro guitar controller and MIDI-Pro adapter eyes-on

Engadget
Rock Band 3 keyboard hands-on (video)

Eurogamer
E3: Rock Band 3

Examiner
Rock Band 3' pre-E3 details

Examiner
The Doors featured on Rock Band 3

Fox AL
Harmonix riffs on Rock Band 3 features

Fox News
E3 2010: Ten Favorite Games

Fragland
E3 Hands-on: Rock Band 3 (All platforms)

Future Looks
E3 2010 – Harmonix Unleashes Rockband 3 and Dance Central and Leonard Nimoy is a Gamer?

G4TV
Hands-On Rock Band 3 from E3 2010 Live!

G4TV
E3 2010: Our First Look At Rock Band 3

G4TV
E3 2010: MTV Games Booth

Game Boyz
E3 Thoughts by Kirby Y - E3 is now over and there is still more work to do

Game Informer
Rock Band 3 Hands On At E3

Game Informer
Rock Band 3 Now With Real Guitars

Game Journos
E3 2010: My Final Thoughts

Game Kicker
SideQuesting E3 2010 Impressions: Rock Band 3 (Side Questing)

Game Kult
E3> Zoom : Rock Band 3

Game Pro
E3 2010: Rock Band 3 – Hands on with all the new instruments

Game Pro
E3 2010: New Rock Band 3 Pro Controllers

Game Rant
Hands On: Rock Band 3

Game Revolution
Rock Band 3 - Xbox360

Game Spot
Rock Band 3 Hands-On

Game Spot
E3 2010 Stage Demo: Rock Band 3

Game Trailers
E3 2010: In With The New Interview

Game Trailers
E3 2010: Debut Trailer HD

Game Xplain
E3 2010: Rock Band 3 Pro Six String Guitar Controller

Gamer Limit
E3′10: Hands on with Rock Band 3’s keyboard – A long road to Chopin

Gamer Limit
E3’10: Rock Band 3 hands-on impressions – the first true band “simulator”

Gamer Tell
E3 2010: Rock Band 3 demo impressions

GameRant
Hands On: Rock Band 3

Gamers Hell
Rock Band 3 Announced and E3 2010 Trailers/Screens

Gaming Union
E3 2010: Rock Band 3 Hands-On Impressions

Gaming Excellence
E3 2010: Harmonix, MTV Games Reinvent Music Games With Rock Band 3

Gaming Ring
E3 2010: Rock Band 3 Interview

Gaming Ring
E3 2010: Rockband 3 Hands On Preview

Gaming Shogun
Rock Band 3 Impressions from the 2010 Electronic Entertainment Expo

Giant Bomb
E3 Quick Impressions: Dance Central

Giant Bomb
Giant Bomb at E3 2010: Day 02

Girl Gamer
E3 First Look: Rock Band 3 In-House Demo

Gizmodo
How Harmonix Is Tricking Lazy Gamers Into Learning Real Instruments

Gizmodo
Hands On With Rock Band 3's Pro Guitar and Keyboard (Keytar!)

Gizmodo
Rock Band 3 Will Try to Teach You How to Actually Play Instruments

Gizmos for Geeks
Rock Band 3 to Feature Keyboards

Globo
Com instrumentos reais, 'Rock band 3' quer ensinar a tocar música

Go Nintendo
Rock Band 3 DS Impressions (Piklbit)

Grab Geek Points
Rock Band 3 2010 Preview

Grab Geek Points
Rock Band 3 E3 2010 Preview

Home Theater Forum
OFFICIAL HTF COVERAGE OF E3 2010

How Stuff Works
TechStuff Rocks Out With Rock Band 3

i4u
E3 2010: Rock Band 3 Details and Trailer unveiled

ICrontic
Rock Band 3 demonstration at E3 2010

IGN
E3 2010: Melting Faces in Rock Band 3 DS

IGN
E3 2010: Rock Band 3 Preview

IGN
E3 2010: Rock Band 3 Real Guitar Impressions

IGN
Rock Band 3 Confirmed for AU and NZ

Inland SoCal
Video-Hands on

Inland SoCal
Rock Band 3 adds real instruments

Inland SoCal
Vote for your Rock Band 3 demo

Joystiq
Have a look at the Rock Band 3 keyboard & MIDI PRO-Adapter

Joystiq
Preview: Rock Band 3 Pro mode

Kombo
E3 2010: Rock Band 3's Keyboard Hands-On

Kombo
E3 2010: Rock Band 3 Hands-On

Kombo
E3 2010: We've Seen the New Rock Band 3 Pro Guitars, and They are Mighty

Kombo
E3 2010: Rock Band 3 Instruments by Mad Catz Hands-on

Kotaku
Man Vs. Massive Rock Band Set List

LA Times
E3 2010: MTV outsources Rock Band instruments, embraces dancing

Legit Reviews
MTV & Harmonix Demos Rock Band 3 at E3 2010

Level UP
Video 1

Level UP
Rock Band 3: la estrella del E310

Level UP
Video 2

Level UP
Video 3

Mashable
Rock Band 3 Live Demo at E3

Metal Insider
Rock Band 3 Might Actually Teach You Music

MMOMFG
Rock Band 3 – Hands-on Impressions from E3 2010

Monsters and Critics
E3 2010: Hands-On With 'Rock Band 3'

Multiplayer.it
Rock Band 3 - Una rivoluzione?

Multiplayer.it
Rock Band 3 - Videoanteprima E3 2010

N4G
E3 10; Rock Band 3 - The PS3 Attitude Preview (PS2 Attitude)

Nerdy Show
E3 Vidcasts :: Rockin’ With Harmonix

New Game Network
ROCK BAND 3 PREVIEW - E310

Newsarama
ROCKBAND 3 @ E3 2010

Nukezilla
E3 10: Dance Central and Rock Band 3 Impressions (With Pictures!)

Nukezilla
E3 10: Rock Band 3 Playable With Your Own Instruments

Original Sound Version
E3 2010: Rock Band 3 Is The Real Thing

Paste Magazine
Paste Goes to E3: Day 3

PiklBit
Rock Band 3

Plastic Axe
Hands-On With Pro Guitar in Rock Band 3

PNOsker
Rock Band 3 Impressions

Pocket Lint
Rock Band 3 demoed at E3

Prefix Magazine
Rock Band 3 Drops Nuke On Game Wars, Introduces Keytar

Press Democrat
E3 Wednesday: 2,144 words about 14 games

Press Fire
Fuck You!

PS3 Attitude
E3 10; Rock Band 3 – The PS3 Attitude Preview

PS3-Sense
E3 2010: PS3-Sense video item: dag 4 in Los Angeles

PSN Nation
Special Episode-E3 2010 Day Three

Punch Jump
E3: Rock Band 3 PS3, Xbox 360, Wii keyboard play rocks

Real Poor
E3 10; Rock Band 3 - The PS3 Attitude Preview (N4G)

Road 4 Blog
E3’10: Rock Band 3 hands-on impressions – the first true band “simulator” (Gamer Tell)

Rock Band Aide
Rock Band 3 DS Hands-On… Oh, and Yes is in Rock Band 3!

Rock Band Aide
Possible Rock Band 3 Release Confirmation and UK Peripheral Pricing

Rock Band Aide
Rock Band 3 Lead Designer Dan Teasdale Answers Your Questions

Rock Band Aide
15 Things We’ve Learned at E3 about Rock Band 3

Rolling Stone Brazil
Quase de verdade

Sarcastic Gamer
SG E3 2010: Rock Band 3 has me at hello

Scatter Tech
Rock Band 3 at E3

SDDT
E3 2010: 'Rock Band 3'

Seriously!
E3 2010: Rock Band 3
 

SF Gate E3 a peek at what's to come: 3-D, downloads

ShoGunGamer
Rock Band 3 First Look [E3 2010]

Side Questing
E3 2010 Impressions: Rock Band 3

SmashPad
E3 2010 Showfloor Preview: Rock Band 3

Spike
E3 2010: Rock Band 3 - Debut Trailer

SpillVerket
En revolusjon for musikkspillene?

Student Voice
Things get real with Rock Band 3

Sugar Gamers
E3 Special: Showed up for the Gig, Partied with the Rockband (By Rebecca “Bonks” Rothschild)

Sydney Morning Herald
Split Screen: The future of music games

Tech News Daily
Rock Band 3 Debuts Even More Life-Like Guitars

Technologizer
Music Games Get Real With Fully-Functioning Guitars

The Buzz Media
E3 Rock Band 3 Preview

The Gamers Garage
Gamers Garage: Episode 143 – E3 2010 Day Two

The Koalition
Rockband 3 Will Shape The Future

The Review Crew
Hands On Rock Band 3: The New Instruments

The Tanooki
Rock Band 3 demo impressions

Trendific
Kinect: Dance Central Pre E3 2010 Media Briefing

Tweakers.net
E3: Rock Band 3

VG Revolution
E3 2010: Rock Band 3 Hands On Impressions

VG247
Harmonix details Rock band 3’s guitar controller

VGChartz
E3 Preview: Rock Band 3

WCBS 880
Dishin' Digital

Wii Nintendo.net
(E3 2010) Rock Band 3 (DS) – Hands-On First Impressions

Winnipegfree Press
Video

WireJacked
Rock Band 3 instruments, screens, and info revealed

Worth Playing
PS3/X360 Preview - 'Rock Band 3'

Xbox 360 Digest
X3D @ E3 2010: Harmonix/MTV Games booth

YNN
E3: Rock Band 3

Youtube
Rock Band 3 Hands On Demo (G4TV)

Youtube
E3 2010 -- COE @ MTV/Harmonix (Rock Band 3 P3)

Youtube
E3 2010 -- COE @ MTV/Harmonix (Rock Band 3 P2)

Youtube
E3 2010 -- COE @ MTV/Harmonix (Rock Band 3 P1)

Youtube
Rock Band 3 E3 2010

Youtube
Private Rock Band 3 Demo at E32010

Sunday, June 20, 2010

...E3 2010 Pics

Check out our booth before everyone got there:


I managed to get a ton of pics next to the Pro Guitar display:

The Dance Central girls were loving the Beatles setup.  Well one of them looked unhappy until I turned on no-fail:

The Dance Central Area has a really cool setup:


We had 3 Rock Band 3 stages - this was the smallest:


Bryn and I had 1 break the entire time, during which we took this shot:


We spent most of our time in one of the private rooms giving demos and letting people play the Pro Guitars:


Holy crap there was a lot of stuff to tear down:


 And at the end there was a party on the roof of the Standard where we stayed.  My coworkers jumped in the pool and caused mayhem.  I pretty much just went to bed as I was sick all week!


Saturday, May 15, 2010

...the feel of Halo 3 versus Modern Warfare



So I've been playing the Halo: Reach beta lately.  While playing I was reminded me of a conversation I had with a Bungie employee a few months after the release of Modern Warfare.

He asked me what I thought of MW and after a few minutes of discussion I said something like "I feel like I am good when I play Modern Warfare but when I play Halo I often feel like I suck."  He asked why I thought that was and I at the time I didn't have a good answer.  Playing Halo: Reach reminded me of this and got me thinking about this again.  Sorry that this isn't exactly topical but I seem to never let a question go until I have some kind of answer for it :) 


Here are some facets to the games that made MW more of a general positive multiplayer experience to low-level player like me than Halo 3:

The Time it takes to kill enemies

Relative to MW, players in Halo 3 multiplayer can take a lot of damage from weapons before they die.  I am told high-level players really enjoy this aspect as it leads to prolonged encounters.  For low-level players however it often feels like good planning and positioning matter much less than your ability to keep your reticule on an opponent.  I often come up with a good plan that allows me to flank my opponents rear, only to have them turn around and blow me away.  This even happens when I join another teammate who is currently engaged with a high-level player.

Weapon and equipment acquisition

In MW, players choose the weapons and abilities they are going to use before they start the map.  MW players can also change this loadout whenever they die.  Players know what they are going to use while in the level and can change their strategy as they choose.  It is easy to experiment with different weapons and abilities until you find a combination that works for your style.

In Halo 3, weapons are spawned at designer-specified locations on the map at specific intervals.  This style of gameplay skews kills towards players with good map knowledge and familiarity of weapon behaviors.  Learning the ins-and-outs of each map and weapon takes time investment and isn't necessarily transferable between maps.

The player leveling system

Halo 3 has a player skill system that is based on Trueskill.  As you play games and win or lose, your ranking number can increase or decrease depending on the rank of who you are playing and how you do.  There is also playlist specific experience values denoted visually by icons.  The iconography, while a little vague, never goes down in rank.

MW has an experience number for players that only goes up.  The better you do in a session, the faster it grows towards the next number.  Each level brings with it new abilities or weapons that the player can choose to use.  Underneath the hood, MW does have a system for smart matchmaking (Trueskill?) but this number is not outward facing.  As a low-level player, I find this system of only positive rewards much more fulfilling.

Thursday, May 13, 2010

...look what I just bought



I can't believe I just re-bought these 3 albums. 20 years ago I had all these on tape :)

Thursday, May 06, 2010

Friday, April 02, 2010

...First Karaoke of the year pics

A bunch of us got a room at Do Re Mi for some serious singing.


Guess the song!



BChan's first ever karaoke song.
All together now!

Fin.

...Pax East

Dan, Casey, Brian, Chris and I had a Harmonix designer panel at Pax East. Around 800 people came to see it.

I took this right before we started.

Tuesday, March 09, 2010

Sunday, February 07, 2010

...Late 2009 Pics

 Mom's brisket - if you don't like brisket, you haven't tried this.

Christmas party pics.

 
 Birthday cake and dinner.  Yummy lobster.


The Jesus Lizard!

 Best Arcade left in America?  Funspot - the place where records are broken....


I finally got a comfy couch.  But it's leather and huge!  Problem solved - got a cover and rearranged the living room.  Combine that with my new home theater and my place is a good place to relax again.

 Recently got back from a work trip.  Check out this crazy-nice hotel room...

 
 Sara had a birthday party too...

Monday, February 01, 2010

...My Best Movies of 2009

Top 5:
1. The Hurt Locker
2. Anvil
3. Food Inc.
4. Avatar (3d)
5. Up

Honorable Mention (in no particular order):
Star Trek
Where the Wild Things Are
Zombieland
Moon
Gomorra

All my 2009 reviews are here.

Friday, January 29, 2010

...My Best Books of 2009

Actually strike that...these are the top books I read in 2009.  I barely read anything that came out in this year :)


Top 5:
The Road
Good Calories, Bad Calories: Fats, Carbs, and the Controversial Science of Diet and Health 
Body by Science: A Research Based Program to Get the Results You Want in 12 Minutes a Week
The Primal Blueprint: Reprogram Your Genes for Effortless Weight Loss, Vibrant Health, and Boundless Energy
Understanding Comics 

Honorable Mention: 
The Wisdom of Crowds
Anticancer: A New Way of Life
The Omnivore's Dilemma: A Natural History of Four Meals
What Shamu Taught Me About Life, Love, and Marriage: Lessons for People from Animals and Their Trainers
Power of 10: The Once-A-Week Slow Motion Fitness Revolution



All my 2009 reviews are here.

Monday, January 25, 2010

...My Best Music of 2009

Top 5:
1. Coalesce - Ox (not the EP)
2. Converge - Axe to Fall
3. Ladyfinger(ne) - Dusk
4. Kylesa - Static Tensions
5. The Horrors - Primary Colours

Honorable Mention (in no particular order):

Megasus - Megasus
The Beatles - The Beatles in Mono (Box Set)
Nirvana - Bleach (Remastered)
Baroness - Blue Record
Lightning Bolt - Early Delights
Nirvana - Live at Reading
The Jesus Lizard - Head (Remastered)
Yob - The Great Cessation
Zu - Carboniferous
Gallows - Grey Britain
Trash Talk - Trash Talk
Rumplestiltskin Grinder - Living for Death, Destroying the Rest
The Bronx - The Bronx 3

All my 2009 reviews are here.

Thursday, January 14, 2010

...My Best Games of 2009

Top 5:
1. Batman Arkham Asylum
2. Call of Duty: Modern Warfare 2
3. Uncharted 2
4. UFC Undisputed
5. 'Splosion Man

Honorable Mention (in no particular order):
Pixeljunk Shooter
Assasins Creed 2
Trials HD
Fifa 10
Peggle (Iphone)
Shadow Complex
Resident Evil 5
Death Tank

I'm not including 2 games I worked on that I think were great, The Beatles: Rock Band and Rock Band Unplugged :)

All my 2009 reviews are here.

Sunday, January 10, 2010

...All Reviews for 2009

Here are all the books, games, and music I got in 2009. I'll post my best of lists in a few days.

Recommended items in Bold.

Music:
Mew - And the Glass Handed Kites
Baroness - Blue Record
Arcade Fire - Funeral
Girl Talk - Night Ripper
Coalesce - Ox (EP)
Slayer - World Painted Blood
Jemina Pearl - Break It Up
Working For a Nuclear Free City - Businessmen & Ghosts
The Modern Lovers - The Modern Lovers
Lightning Bolt - Early Delights
Tides - Giant
Them Crooked Vultures - Them Crooked Vultures
AC/DC - Backtracks
Hall & Oats - The Essential Darryl Hall & John Oats
Converge - Axe to Fall
Nirvana - Bleach (Remastered)
LCD Soundsystem - LCD Soundsystem
Danzig - Danzig
Nirvana - Live at Reading
The Jesus Lizard - Head (Remastered)
LCD Soundsystem - 45:33
The Beatles The Beatles in Mono (Box Set)
LCD Soundsystem - Sound of Silver
Legacy - Beyond Hurt Beyond Hell
Public Image Ltd. - The Flowers of Romance
Pissed Jeans - King of Jeans
Future of the Left - Travels With Myself and Another
Yob - The Great Cessation
Zu - Carboniferous
Coalesce - Give Them Rope She Said V2.0
Michael Jackson - Off the Wall (Special Edition)
Coalesce - Ox
Sonic Youth - The Eternal
Tweak Bird - Reservations
The Horrors - Primary Colours
Isis - Wavering Radiant
Fever Ray - Fever Ray
Gallows - Grey Britain
Japandroids - Post-Nothing
Graf Orlock - Destination Time Today
Trash Talk - Trash Talk
Death - ...For the Whole World to See
Ladyfinger(ne) - Dusk
Kylesa - Static Tensions
Mastodon - Crack the Skye
Tears for Fears - Songs From the Big Chair
Rumplestiltskin Grinder - Living for Death, Destroying the Rest
Megasus - Megasus
Portishead - Third
The Lonely Island - Incredibad
The Swell - Tonnage
Sleep - Sleep's Holy Mountain
The Bronx - The Bronx 3

Movies:
An Education
Avatar (3d)
The Road
W
here the Wild Things Are
A Serious Man
Capitalism: A Love Story
Zombieland
It Might Get Loud
District 9
Inglorious Basterds
Humpday
Moon
The Hurt Locker
Food Inc.
Harry Potter and the Half-Blood Prince
Public Enemies
Tokyo
Up
Tyson
The Hangover
Drag Me to Hell
Star Trek
Anvil
Crank High Voltage
I Love you Man
Watchmen
Gomorra
The Wrestler


Books:
The Wisdom of Crowds

David Cross - I Drink For a Reason
Anticancer: A New Way of Life
Musicophilia: Tales of Music and the Brain
The Omnivore's Dilemma: A Natural History of Four Meals
The Cartoon Guide to Physics
World War Z: An Oral History of the Zombie War
What Shamu Taught Me About Life, Love, and Marriage: Lessons for People from Animals and Their Trainers
The Primal Blueprint: Reprogram Your Genes for Effortless Weight Loss, Vibrant Health, and Boundless Energy
Power of 10: The Once-A-Week Slow Motion Fitness Revolution
Game Feel
Godel, Escher, Bach: An Eternal Golden Braid
Body by Science: A Research Based Program to Get the Results You Want in 12 Minutes a Week
The Hero with a Thousand Faces
Story: Substance, Structure, Style and The Principles of Screenwriting
The Return of Depression Economics and the Crisis of 2008
Fretboard Logic
How to Win Friends & Influence People
Understanding Comics
The Road
Good Calories, Bad Calories: Fats, Carbs, and the Controversial Science of Diet and Health
Hip: The History

Games:
Pixeljunk Shooter
Assasins Creed 2
Call of Duty: Modern Warfare 2

Fifa Soccer 10
Uncharted 2
Demon's Souls
Madden 10
Halo ODST
Batman Arkham Asylum
Trials HD
Peggle (Iphone)
Shadow Complex
'Splosion Man
Battlefield 1943
Ghostbusters
UFC Undisputed
Fallout 3
Resident Evil 5
Death Tank

Monday, January 04, 2010

...Bioshock AI Q&A with Dean Tate

Dean Tate is a Senior Designer at Harmonix. Immediately previous to his time here at Harmonix Dean worked on Bioshock and Bioshock 2 - specifically working on AI and level design.  Seeing an opportunity, I decided to have a Q&A with Dean. The questions here primarily focus on Bioshock's AI and their integration Bioshock's levels - I think this aspect was particularly well done in Bioshock. I hope you enjoy peeling back the curtain a bit to see how it was done and what was learned.

Sylvain: How much of the AI in Bioshock is scripted versus autonomous?

Dean: A great deal of our AI was scripted but we worked really hard to somewhat mask that fact. In a lot of games, it can be really obvious when an AI is scripted versus when an AI is systemic. This is something we really wanted to avoid. In a lot of cases, this just meant exercising some restraint; one thing that can make scripted AIs appear to very obviously be scripted is when they display some whacky behaviour that you never see the systemic AIs use. So for example, Splicer AIs in Bioshock take cover, but they don't use cover animations. So we avoided having situations where the player would enter a room and AIs would be scripted to be laying in wait behind cover and then pop out and attack. We wanted consistent behavior between our systemic and scripted AIs.

We also worked really hard to blur the line between 'scripted' and 'systemic'; our AI scripting system, with enough designer crafting and tweaking, could very gracefully handle having an AI that is scripted become systemic without players noticing the transition. It also allowed players to intervene and affect when that transition occurs. Dealing damage to an AI for example to stop it from continuing down it's scripted path. I think everyone on the level scripting teams took great strides to use this ability to great effect and avoid crafting situations that were very obviously scripted. Scenes that occur behind bullet-proof glass, for example.

Sylvain: What kind of high-level (and low level) systems were used for AI thinking? How did you interact with the system (did you manipulate data or edit script logic or just go into code)?

Dean: I didn't touch the low-level code at all, which was all handled by our AI Programming Lead, John Abercrombie. A lot of our AI system was hard coded; things like how our ecology functioned and how AIs viewed each other, AI abilities and weapons functionality and behaviour, etc. Getting those things right was just a process of heavy collaboration and back and forth iteration. At a level above that, I had access to and could tweak all of the numbers that affected discrete AI behaviors. Things like AI movement parameters, attack parameters (how often an AI attacks, how far from the player it tries to remain, under which conditions it will initiate different attack and movement behaviors or weapons, etc). I did all of this by manipulating data in text files. Very high tech stuff (snort). Experimenting with changes to an AIs behaviors was quite a laborious affair that involved (if I remember right):

-Opening the correct text file
-Finding where I wanted to make a change to the text file data, and then saving the file
-Closing the file
-Running our level editor, and opening up one of my AI testing levels
-Tweaking a set of scripts so that they're spawn the correct AI (the one I had changed) when the level ran
-Baking the level content and data changes to a testkit
-Testing my changes to see if the desired effect had been attained, often while making sure a bunch of debug info was being displayed so I could be sure I was seeing the effects of my changes.
-Rinse, repeat

Each of these steps was important. For example, if I made a change to a parameter in the text file and then forgot to save and then close the text file before testing the change, the change would not take effect (I remember this because I made this mistake all the time!).

Things could and would often go wrong, and I'd need to repeat the entire process. I also sometimes ran into what I called "Placebo Parameters": parameters that were supposed to effect AI behaviors, but that in fact hadn't been hooked up yet in code (or, more often, weren't working because of a newly introduced bug). I'd tweak the value over and over again, checking the effect it had on the AI's behavior, stroking my chin and thinking "that didn't seem to make a difference...", tweaking the value some more, working towards getting the desired effect, before finally realizing "Hey! This isn't actually doing anything!" The lesson learned was that when a programmer gives you a new value to tweak, you should first set it to a minimum or maximum value and test it out; then, you can be sure it is doing what it is supposed to do.

And then, at a level above my base behavior editing and tweaking, level designers had some control over AIs through the use of our scripting system. The ability to initiate or cancel specific behaviors, toggle behaviors on and off, give AIs movement and navigation orders, etc.

Sylvain: Wow that's quite a long process for each change! How did you deal with changing an AI's behavior and making sure that it didn't mess up how they worked in all the other areas of the game?

Dean: It was quite a laborious process. When you're making incremental changes to any system, you want to make one change at a time, test it, make another small adjustment, test it again...making large sets of changes all at once makes it much harder to catalogue the effects of each individual change.

Making sure that changes didn't have unexpected knock-on affects was tough. Whenever large sets of changes were made I needed to make sure that our QA and Design teams were well aware of the changes and kept an eye out for abberent behaviors. Designers would focus on making sure any scripted sequences they had already implemented didn't become broken (thankfully, this didn't happen often) and QA would make sure that interactions between our AIs and other game systems (weapons, plasmids, etc) didn't become broken.

Sylvain: What kind of perceptual model did the AI use? What were the main parameters you had control of?

Dean: Wow, I'm remembering some pretty old stuff here. It's been years since the game was released, so I hope this is all accurate. To the best of my knowledge, it is.

The most interesting fact about our perceptual model is that Big Daddies are essentially deaf and blind. They have very little need for any sort of perceptual model up until the point that they have a target to attack. If that target is the player, than they will employ vision if they lose sight of the player; however, their vision is essentially 360 degrees and very long range, so basically if they lose the player they'll try to get within line of sight and then continue to attack. So if you think it's hard to lose a Big Daddy once it has started attacking, now you know you're not just imagining it.

Sylvain: I'm assuming then that they has a simple timeout after which they stop looking for you?

Dean: That's right. If I remember correctly, once a Big Daddy has chosen a target to attack, it won't return to a neutral state until the target is dead (this includes the player). Splicers are different. They will pursue a target they have lost sight of, and eventually lose interest and return to a neutral state. This happens after a timeout period that kicks in once the AI has lost sight of the target and then traveled to the target's last known location (AIs hold absolute knowledge of a target's location for a few seconds after they lose sight of it)

Our splicers used a perceptual model that is extremely similar in design to that used in other Irrational and Looking Glass games such as System Shock 2 and Thief, only tuned differently. Splicers are much more aware in general than their counterparts in those games, and when it comes to vision, hiding in shadows is much less effective for the player (splicers will have a harder time spotting you than when you're out in the open, but not to the degree that they do in, say, in Theif 2).

To go into a little more detail, splicers rely heavily on vision. They have near and far forward facing vision cones that have quite a narrow arc. If the player falls within these cones, it'll take the splicer some time to notice their presence. The amount of time is based on factors such as lighting, as mentioned, and the amount of the player's body that is obscured. The splicer will notice the player more quickly if the player is within their near vision cone, and longer if the player is standing within the far vision cone.

Splicers also have peripheral vision cones. They have peripheral vision in an almost 180 degree forward facing arc. If a splicer sees the player in their periphery, they will exclaim "Hey what's that!" and turn to face the player, putting the player squarely in their forward facing vision, giving them a chance to actually spot the player and then attack, unless the player reacts quickly enough to duck out of view before this happens. This was a tricky thing to balance; we wanted our AIs to be much more aware than in previous games, but still wanted situations to occur where it didn't feel like they were so absolutely aware of the player's presence at all times that there was no middle ground between "neutral" and "attacking" (for example, it didn't feel good to have a splicer immediately attack a player that it had spotted in its periphery).

Splicers also have backwards facing vision cones. If you sneak up behind a splicer, it won't hear you coming; it'll literally see you coming, because it has eyes in the back of it's head. This is spooky as hell and you will now have trouble sleeping tonight.

The tricky task I had in tuning splicer vision cones was in hitting some numbers that worked well in most situations across our game. All of Bioshock's levels are quite different from each other, and there is much environmental variation; large spaces, cramped spaces. Brightly lit caverns and dimly lit closets.

Finally, sound and hearing played a lesser role in splicer perception. Sounds could be tagged as "investigative" and given a radius. If a splicer hears one of these sounds, and it's source is in LOS, they will turn to face it, at which point they're relying on their vision cones to spot a possible target. If they hear one of these sounds and it's source is out of LOS, they will path to its location while always facing the source, and again, vision becomes key.

Sylvain: How did you handle spawning of enemies that wander around the world?

Dean: Bioshock levels are chopped up into regions, each of which has a desired population level that is split along the ecology lines; protectors (Big Daddies) and aggressors (Splicers). That desired population level is in most cases satisfied with scripted spawns or initial spawns when the player first enters the region; the player will enter the region, and it'll then be filled with AIs that spawn at designer-specified points and then do what they're told; either designers tell them to follow some scripted behavior, or the AI will do something systemic. Splicers will patrol (patrol points and paths are designer crafted), Big Daddies will seek out Little Sister vents, and then escort their Little Sister to dead bodies that hold Adam. We called these bodies "booty". Booty can be designer placed, or be dynamically spawned when a splicer dies.

When a region's population drops below the desired level, our population manager takes over. It'll wait a designer-specified amount of time before spawning in new enemies, and it'll spawn them at points which the level designer has specified. These points hold a bunch of variables that designers can change; enemy archetypes spawned, the chance for each type to spawn, and patrol path assignment. The system is actually quite simple, and very similar again to the spawning manager used in System Shock 2. Designers could tune spawning manager variables for each level, and for each region in a level; so there can be regions that have a high respawn rate, or a low respawn rate, differing population levels, etc. We used this to make some areas feel more dangerous or "busy" than others. Because every level designer could tailor-tune the system for their own specific level, we needed to develop some ground rules and best practices to ensure the system was somewhat consistent game-wide.

Sylvain: Did you have any strategies to avoid enemies killing each other when the player wasn't nearby or was this not an issue?

Dean: I'm a little iffy on the exact details of the LOD system we had in place (LOD stands for Level of Detail). I think it was something quite simple: AIs would deactivate their attack behaviors if they fell outside of a certain range of the player. The design also didn't really allow for random battles to break out amongst AIs unless the player was already close-by; in fact I don't think they can break out randomly. This could happen at some point reeeeeally early in development, and it basically created mayhem and chaos and an ecosystem that was impossible for players to understand. They would always end up coming across either battles in progress between Big Daddies and Splicers, or, much worse, rooms full of dead bodies. The former was bad because it made it very difficult to telegraph to players that Big Daddies only attack when provoked (which had been something quite unheard of in this genre), and the latter was worse because it made encounter pacing an impossible task for designers.

Sylvain: Finally, how did the AI evolve through the project and what lessons did you learn?

Dean: Our AIs evolved massively over the course of the project, though the basic archetypal foundation of each individual AI remained intact almost from day one; the grenadier (Nitro Splicer), assassin (Houdini Splicer), ranged aggressor (SMG Splicer, Pistol Splicer), melee aggressor (Melee Thug), the gatherer (Little Sister), the protectors (Big Daddies); we settled on the behavioral basics of each of these guys very early on, and then over the course of the project iterated on the details of their behaviors massively.

The Big Daddies are a good example of this. Early on, we intended to make these guys hulking, lumbering masses of muscle and power, and we stuck to this goal quite literally for a very long time. Their movements were very slowly, they had delayed reactions, were easily outran, their attacks were hugely damaging but had a long windup period, etc. As the game evolved from a slow-paced stat driven fps/RPG (that's rpg IN ALL CAPS!...fps in low caps...) into Shooter 2.0 I pushed to make our Big Daddies much more agile and reactive once they had become aggressive. I wanted there to be a clear difference between "neutral and mellow" and "angray!". I really enjoyed seeing player reactions to the huge behavioral switch that came when a Big Daddy decided that it needed to defend its Little Sister. "OH GOD, I THOUGHT THEY WERE SLOW!" players would scream, as a Bouncer smashed into their face with the speed of a freight-train, or a Rosie became impossible to outrun.

Another example of design aimed at "sticking to your base and iterating on the details" is the grenadier (AKA the Nitro Splicer); we knew early on that we wanted an AI that threw explosive projectiles. That was the basic design (and totally original, right guys?). As time went on, we layered more interesting behaviors and system interactions on top of this design base to make this AI more interesting; the grenadier gained the ability to throw Molotovs, to drop smoke grenades like chaff when retreating, and let loose a devastating kamikaze attack. Players could also catch their grenades by using the telekinesis plasmid.

Starting with a simple yet strong design base was I think in the end a very smart move (I'm not taking credit either; I very much worked on the details of each AI, but came into the project once they already had a strong base laid out). Though the basic design for each AI archetype wasn't exactly imaginative or completely original, we managed to create something fresh with each archetype by living in the details. This meant little wasted work. In fact, we shipped with almost every AI archetype that was originally conceived and designed, bar one Big Daddy archetype that made it very far into production before being cut; though you may see him re-appear sometime in the future, *wink*.

I'd like to point out one interesting thing that came out of the design process; these days, a lot of good AI design is focused on ensuring that AI states and behavioral intent is fed back to the player clearly, usually through the use of VO. Basically, AIs will scream out to the player what it is they intend to do. "I'm hiding!" or "Here comes a grenade!" or "Take cover!" or "Flank him!" or whatever. Our AI VO writer (and Audio Director) (and fellow Australian) (and my best mate!) Emily Ridgway pushed against this idea from very early on. She made the stylistic and creative choice to use our AI VO to help sell the idea that each splicer is a twisted, ruined husk of a person. A lost mind overtaken by dementia, paranoia and confusion. They're not battle-hardened soldiers employing military tactics against the player; they're lost and scared and want you to go away. And so, when writing lines for our splicers, she made the conscious decision not to have them clearly state their behavioral intentions. This was met with quite a bit of resistance, which I'm glad wasn't successful. I'm quite happy with the idea that in Bioshock, you never quite know what a splicer is thinking or planning...

I feel like I should end my response to this question with one big overarching "lesson-learned".

Let me think...

I know!

If you're going to end your game with a fight against a giant naked bronze man, you better really mean it.

Thursday, December 31, 2009

...wow what a year

One of the best years I think I've ever had.  I'll have some new posts coming soon.  Stuff to come:

- Pics from the last few months
- Q&A with Dean Tate (Senior Designer at Harmonix)
- Best of 2009 posts

Thursday, November 19, 2009

...for 10 years

I just realized last night I've been making games for 10 years this month!