Active player (333)
Joined: 1/19/2010
Posts: 383
Location: Texas
kirbymastah wrote:
Theoretical console time...
I never said anything about theoretical times.
kirbymastah wrote:
...and can easily verify how long each one takes on console.
That's the problem though. We can't verify how long each ones takes on console since the loading times are not consistent, even on a console. (like The Thousand Year Door example). I think we can all agree that the loading on Dolphin should never be faster than a console (with all its fancy moving parts and spinning discs and what not). I'm fine with TAS having an ever so slight disadvantage over console just to guarantee that we don't have a broken and obvious advantage.
Joined: 7/6/2012
Posts: 84
SoulCal wrote:
kirbymastah wrote:
...and can easily verify how long each one takes on console.
That's the problem though. We can't verify how long each ones takes on console since the loading times are not consistent, even on a console. (like The Thousand Year Door example). I think we can all agree that the loading on Dolphin should never be faster than a console (with all its fancy moving parts and spinning discs and what not).
They're pretty consistent on console, it certainly doesn't vary by more than a fraction of a second unless the console is broken or something (not saying they always load the exact # of frames, but still). Ultimately, TAS's are for entertainment and demonstration, and I'm ok with it as long as everything is "possible" on console (it wasn't before the recent dolphin improvement because loading was literally instant back then <_< )
Active player (432)
Joined: 4/21/2004
Posts: 3517
Location: Stockholm, Sweden
Good morning. A current alliance between Mothrayas, solarplex and I has been established. We will try to tas this game. We encourage others who have thought of tasing it to do it as competition results often in higher level of perfection. Speaking of perfection, I think I speak for my other team members that given the fact you must spend years of work and dedication if you want to strive towards perfection, we do not plan on spending years of our lives perfecting this run. Rest assured, we will of course do our best to optimize everything possible. We won't half arse this. To be even more specific, I do not want to spend like a half year figuring out a tas route. We will mostly be using T3's route. We are obviously going for the any% run. Also, what has history proven time after time? That no matter how much effort you put into a run, your run is bound to be obsolete. Look at Ocarina of Time, look at Super Metroid, Mario runs etc. Name me one popular franchise which hasnt got new improved runs after runs. This does not mean we will settle for the easiest outcome and tas the for the sake of it. Our run will hopefully inspire future tases. That would make me very happy. Now questions regarding the actual run, I have always wondered a few things. First of all, is it possible to beat the game without obtaining Spacejump? Even if it would be, would it be faster skipping it? I know sparky (I think it was him) who for instance showed how you could get the Plasma Beam via outrageously crazy bomb jumping all the way to the top. Do you need all visors? Can you beat the final boss with 3 visors? Even if you would manage, again, would it save time? If you could, it should a lot of time because logically, when you kill it in 2-pools, you need only two visors. Is skipping Boost Ball completely out of the question? After you obtain artifact of warrior, you obviously need it to activate the fire cannon to blast the wall on top and probably other areas I am forgetting. Reason why I ask is in a tas, you will scan dash the shit of a lot of things. Which could mean you won't need Boost Ball and you would save time route-wise by simply not getting it. Has anyone found X and Y-pixel values? I would appreciate if guys like itspersonnal, T3, Miles etc would help and give us feedback on future wips and such.
Nitrogenesis wrote:
Guys I come from the DidyKnogRacist communite, and you are all wrong, tihs is the run of the mileniun and everyone who says otherwise dosnt know any bater! I found this run vary ease to masturbate too!!!! Don't fuck with me, I know this game so that mean I'm always right!StupedfackincommunityTASVideoz!!!!!!
Arc wrote:
I enjoyed this movie in which hands firmly gripping a shaft lead to balls deep in multiple holes.
natt wrote:
I don't want to get involved in this discussion, but as a point of fact C# is literally the first goddamn thing on that fucking page you linked did you even fucking read it
Cooljay wrote:
Mayor Haggar and Cody are such nice people for the community. Metro City's hospitals reached an all time new record of incoming patients due to their great efforts :P
Joined: 6/9/2006
Posts: 614
Location: Mettmann
true words angerfist, iam rooting for you and your team the first tas will always be a milestone for a game
Spikestuff
They/Them
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Joined: 10/12/2011
Posts: 6337
Location: The land down under.
Good Luck AngerMothyplex
WebNations/Sabih wrote:
+fsvgm777 never censoring anything.
Disables Comments and Ratings for the YouTube account. Something better for yourself and also others.
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Joined: 6/30/2010
Posts: 1093
Location: Zurich, Switzerland
AngerFist wrote:
Now questions regarding the actual run, I have always wondered a few things. First of all, is it possible to beat the game without obtaining Spacejump? Even if it would be, would it be faster skipping it? I know sparky (I think it was him) who for instance showed how you could get the Plasma Beam via outrageously crazy bomb jumping all the way to the top. Do you need all visors? Can you beat the final boss with 3 visors? Even if you would manage, again, would it save time? If you could, it should a lot of time because logically, when you kill it in 2-pools, you need only two visors.
Of course you can skip space jump, among many other things (21% is the lowest completition possible). But an any% will always get space jump, it's so fast to get and makes things so much easier. Regarding the visors, the only one that is actually required is X-ray, because there is no way to kill Omega Pirate without it. Also, you don't need to actually see Prime in his second form, you can still damage it.
Current project: Gex 3 any% Paused: Gex 64 any% There are no N64 emulators. Just SM64 emulators with hacky support for all the other games.
Active player (432)
Joined: 4/21/2004
Posts: 3517
Location: Stockholm, Sweden
Regarding Space Jump, Yeah it's really nearby the ship so it's not like you are going far end of the world getting it. So it's an obvious choice getting it.
andypanther wrote:
Regarding the visors, the only one that is actually required is X-ray, because there is no way to kill Omega Pirate without it. Also, you don't need to actually see Prime in his second form, you can still damage it.
So you mean basically all we need is X-ray and don't require the other visors? If that's true, then our tas will look a lot cooler and shorter in time than I'd expected :)
Nitrogenesis wrote:
Guys I come from the DidyKnogRacist communite, and you are all wrong, tihs is the run of the mileniun and everyone who says otherwise dosnt know any bater! I found this run vary ease to masturbate too!!!! Don't fuck with me, I know this game so that mean I'm always right!StupedfackincommunityTASVideoz!!!!!!
Arc wrote:
I enjoyed this movie in which hands firmly gripping a shaft lead to balls deep in multiple holes.
natt wrote:
I don't want to get involved in this discussion, but as a point of fact C# is literally the first goddamn thing on that fucking page you linked did you even fucking read it
Cooljay wrote:
Mayor Haggar and Cody are such nice people for the community. Metro City's hospitals reached an all time new record of incoming patients due to their great efforts :P
Joined: 11/13/2007
Posts: 30
AngerFist wrote:
Now questions regarding the actual run, I have always wondered a few things. First of all, is it possible to beat the game without obtaining Spacejump? Even if it would be, would it be faster skipping it? I know sparky (I think it was him) who for instance showed how you could get the Plasma Beam via outrageously crazy bomb jumping all the way to the top. Do you need all visors? Can you beat the final boss with 3 visors? Even if you would manage, again, would it save time? If you could, it should a lot of time because logically, when you kill it in 2-pools, you need only two visors. Is skipping Boost Ball completely out of the question? After you obtain artifact of warrior, you obviously need it to activate the fire cannon to blast the wall on top and probably other areas I am forgetting. Reason why I ask is in a tas, you will scan dash the shit of a lot of things. Which could mean you won't need Boost Ball and you would save time route-wise by simply not getting it.
Ok, no offense or anything, but pleeeease do a lot of research before starting on this TAS, otherwise it's going to turn out really slow. There's a lot of subtle tricks and other maneuvers that a TAS really needs to be utilizing constantly, and these questions show you aren't even familiar with the bare basics of Metroid Prime speedrunning/sequence breaking. To answer your questions: 1. Yes, Space Jump is skippable, but it's also a 20-second detour at the absolute most and saves way, way, WAY more time than that. Skipping it would be ridiculously slower. 2. Thermal Visor is skippable, but it's generally not skipped in runs because you have to pass right by it anyway so it takes next to no time to pick up, and it makes the Metroid Prime fight far easier. You might be able to manage a 2-pool Metroid Prime fight without it, but it'll be rather difficult, and frankly save very little time. X-Ray Visor is not skippable because it's required to damage Omega Pirate. 3. Boost Ball is skippable, yes, but it saves a ton of time and the savings outweigh the cost of getting it. It saves a lot of time in general navigation when going through the hallway rooms where there's nothing to lock onto, it prevents you from having to do Geo Core really slowly, it saves time route-wise since it gives you faster access to the Artifact of Warrior, and it saves a shitload of time on the Ridley fight, among other things I'm probably forgetting. There are also a lot of little ways to abuse the Boost Ball that aren't feasible on console that I'd expect to see in a TAS. For instance, you can often skip doing a bomb jump by rolling up into a wall and then boosting to shoot up a little bit. There's also occasions where you can get stuck in the floor and charge a boost for a little while, then release it to go flying off at a ridiculously high speed, which has some potential if you can figure out how to do it consistently. Like I said, you really need to take some time to familiarize yourself with the game and its route/tricks/physics/controls/etc before starting this TAS if you want it to be any good.
Active player (432)
Joined: 4/21/2004
Posts: 3517
Location: Stockholm, Sweden
"Paraxade wrote:
Ok, no offense or anything, but pleeeease do a lot of research before starting on this TAS, otherwise it's going to turn out really slow.
None taken! On the contrary, we appreciate any/your feedback.
"Paraxade wrote:
There's a lot of subtle tricks and other maneuvers that a TAS really needs to be utilizing constantly,
Could you be a bit more specific? And yes, I am not all that familiar with speedrunning or tasing this game, but like I said, we will do our best. Our general experience in tasing will surely help us in way or the other.
"Paraxade wrote:
2. Thermal Visor is skippable, but it's generally not skipped in runs because you have to pass right by it anyway so it takes next to no time to pick up, and it makes the Metroid Prime fight far easier. You might be able to manage a 2-pool Metroid Prime fight without it, but it'll be rather difficult, and frankly save very little time.
Not sure I agree with you here. Because you need to scan three whole times before getting it. That's a lot of seconds saved if you ask me. In a tas, we don't really have an excuse if we know in beforehand that it's not necessary to obtain item X. Plus, it will look a lot cooler to fight the second Prime without ever changing your visor. Duly noted what you said about Boost Ball. Thank you again for your feedback, keep it coming.
Nitrogenesis wrote:
Guys I come from the DidyKnogRacist communite, and you are all wrong, tihs is the run of the mileniun and everyone who says otherwise dosnt know any bater! I found this run vary ease to masturbate too!!!! Don't fuck with me, I know this game so that mean I'm always right!StupedfackincommunityTASVideoz!!!!!!
Arc wrote:
I enjoyed this movie in which hands firmly gripping a shaft lead to balls deep in multiple holes.
natt wrote:
I don't want to get involved in this discussion, but as a point of fact C# is literally the first goddamn thing on that fucking page you linked did you even fucking read it
Cooljay wrote:
Mayor Haggar and Cody are such nice people for the community. Metro City's hospitals reached an all time new record of incoming patients due to their great efforts :P
Joined: 11/13/2007
Posts: 30
Go for the Thermal skip if you want to, just letting you know what you're getting into. I'm mostly talking about things related to general movement. The things I can think of off the top of my head are: - L-jumping - press L as you jump to jump further. No real timing, should be done basically every single time you jump. - Turning as you jump gives you a little more distance. - Rodeo jumping - press L + R together as you space jump for a small speed boost. Another thing you should be doing very frequently. Also extends to rodeo dashes, which is the same thing except done during a dash jump. - "Bunny hopping" - jump the frame you touch the ground in a dash jump to maintain your speed. More lenient version can be done by pressing R as you land. Can probably combine with rodeo jumping (even without a dash or SJ) to build your speed up to higher than normal. - Boost Ball shenanigans - like I mentioned, boost as you roll into a wall to boost straight up into the air. This can be used for minor time savings like skipping needing to lay a bomb. There's also room for abuse to get some serious height with slanted walls if you can build up some speed, especially through the stuck-in-the-ground glitch that randomly happens sometimes.
Former player
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Location: Zurich, Switzerland
Paraxade, is Prime actually slower without the other visors, or just harder? It's obvious why speedruns get Thermal, but if it doesn't matter in terms of speed, a TAS should definitely skip it.
Current project: Gex 3 any% Paused: Gex 64 any% There are no N64 emulators. Just SM64 emulators with hacky support for all the other games.
Editor, Expert player (2015)
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Posts: 1199
Wow, you guys are really going to TAS it? This is amazing :0
effort on the first draft means less effort on any draft thereafter - some loser
Joined: 7/6/2012
Posts: 84
Basically everything paraxade said. To emphasize, before starting ANYTHING at all, PLEASE just sit down, play with the game, do some a crapton of research and understand the physics more. The tas is going to be absolutely terrible and unimpressive if you don't do so, and this is easily the most complex game in terms of mechanics. Following the general route that the current record uses isn't too bad of an idea, but with TAS capabilities, going out of bounds will be much much more useful in general. OoB isn't used often in speedruns for prime 1 because it's really hard and risky to navigate and generally slow, but that isn't a problem for TAS. I believe itspersonnal said that, for example, going out of bounds in phendrana shorelines to get wave beam is faster than staying in bounds for example. I think itspersonnal has a video of 2-pooling Omega Pirate but I'm not sure; he also messed around a lot with bunny-hopping mechanics so really, you should just poke him about a lot of the TAS things he's messed with. You should also poke petrie about his prime phase 1 TAS, I believe he has that somewhere on youtube. I recommend reading through the metroid2002.com threads to learn more about the game and ask questions there, since a lot of knowledgeable people are there and willing to answer. I especially recommend reading this: https://m2k2.taigaforum.com/post/random_research_topic.html https://m2k2.taigaforum.com/post/2pool_metroid_prime.html Also, here is a chart of every drop rate that Miles found in the game data: https://docs.google.com/spreadsheet/ccc?key=0AoVqC1jrYPrhdGs4WmhUbUxvZUI1TV9WME15cXVyV1E#gid=8 ; he also found a lot of other things in the inner workings of the game so it's best to ask him a lot of things. Skipping space jump and boost ball are completely out of the question for any%, they save far too much time to skip, especially space jump (which costs like 3 seconds to get in-game time and will probably save minutes in the long run). The thing about fighting prime without thermal is that you have to aim blindly, which shouuldn't be a problem for TAS obviously, just annoying. Getting thermal visor barely costs time for in-game time (real-time it does because cutscenes) because you have to fall down the room anyways, which you can spend that time finishing most of the scans. I do recommend optimizing for in-game time as it makes the gameplay overall look faster, and it's the standard for the prime speedrunning community. Finally a short outline about low% for metroid prime that I made a while ago (and includes 2+3 as well): http://pastebin.com/BH7y00rV ; could be useful in just general learning about the game. Good luck! EDIT: Miles and Petrie also put together a damage chart at some point, not sure where the full one is, but I have this from something miles posted on gamefaqs a while ago: Power Beam (uncharged): 1 Power Beam (fully charged): 25 Wave Beam (uncharged): 1 for each of the 3 waves Wave Beam (fully charged): 20 Ice Beam (uncharged): 10 Ice Beam (fully charged): 30 Plasma Beam (uncharged): 6 (not counting the burn) Plasma Beam (fully charged): 50 Missile: 15 Super Missile: 90 Ice Spreader: 75 Obviously ice spreader would not be collected in a TAS; it's collected in single-segment runs since it makes prime a lot easier and less RNG-heavy, and it costs very little time to get, but it doesn't actually save time if the fight is done optimally. (ice beam also does double damage on metroid prime phase 1 IIRC) EDIT2: Might as well mention some techniques that parax left out that you should research on. -Ghetto Jump - Height technique. Press against some slope to gain height. More information in miles's research thread i posted above. -Bomb Space Jump (BSJ) - Height technique. Manipulate the camera such that when Samus bomb jumps, she gets an instant unmorph in 21/22 frames and can then jump as she's on ground. Read miles's research thread for more details -HBJ/UBJ - http://www.metroid2002.com/techniques_hbj_ubj.php -Aether jumping - When OoB, when you walk from the side of aether and into the box of a room, you have a 3-frame window to jump out of it. This is the basic way to climb up rooms without using standable OoB spots. TAS can abuse this and dash out of it to traverse OoB very quickly, so I recommend messing with it (obviously not done in real runs because it's way too risky and difficult lol)
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Location: Stockholm, Sweden
Much obliged kirbymastah! We'll definitely take what you said into consideration. Also guys, we are leaning towards starting the whole project once solarplex is done with his Prince of Persia run, which he thought would take him about two more months to complete. During that time, Mothrayas and I will get more familiar with the game, its mechanics, tricks etc. Stay tuned! Edit: also, I suspect team Dolphin will release a new official version within that time. By the way if you haven't updated your Dolphin in a long time, now is the time because there have been loads of minor core fixes, more core implementations, speedups, dsound has been deleted because it was obsolete etc..
Nitrogenesis wrote:
Guys I come from the DidyKnogRacist communite, and you are all wrong, tihs is the run of the mileniun and everyone who says otherwise dosnt know any bater! I found this run vary ease to masturbate too!!!! Don't fuck with me, I know this game so that mean I'm always right!StupedfackincommunityTASVideoz!!!!!!
Arc wrote:
I enjoyed this movie in which hands firmly gripping a shaft lead to balls deep in multiple holes.
natt wrote:
I don't want to get involved in this discussion, but as a point of fact C# is literally the first goddamn thing on that fucking page you linked did you even fucking read it
Cooljay wrote:
Mayor Haggar and Cody are such nice people for the community. Metro City's hospitals reached an all time new record of incoming patients due to their great efforts :P
Joined: 11/13/2007
Posts: 30
kirbymastah wrote:
especially space jump (which costs like 3 seconds to get in-game time and will probably save minutes in the long run).
That's an understatement, lol. Skipping the Missile Launcher alone probably saves a good minute or two and that's just in the first few minutes of the run. Having to wallcrawl to Geo Core would waste a crapton of time as well. That's not even getting into the ridiculous number of places where you'd have to waste time doing bomb jumps without SJ, where you would be able to just simply jump with it. Skipping SJ in a 21% TAS would make for an amazing watch, but skipping it in any% is a terrible terrible idea. :P
Joined: 7/6/2012
Posts: 84
There should be a list of known secret worlds somewhere around but I can't seem to find it again. If someone would provide that, that would be a great help.
Active player (469)
Joined: 2/1/2014
Posts: 928
Just to reemphasize, we will be planning, playing and routing(with help from you guys already and a series of videos by itspersonal and speedrunners) for about half a year which includes all of us playing through the game like speedrunners would many times :p
Player (223)
Joined: 1/20/2012
Posts: 534
Combining R/Rodeo Jumping with Bunny Hops, compared with L - Jumping: Link to video Wallcrawling to Wave Beam compared with going inbounds (unfinished) (this was made before I knew L jumping was faster apparently <_<) (after collecting Wave you're supposed to go back out of bounds but I wasn't able to get the SW to work) Link to video Defeating Omega Pirate in 2 pools instead of 3 Link to video I doubt anyone could find a use for getting IS, but here are some 1 frame warps you can do with IS Link to video Link to video The 2012 Frigate WIP (you guys better do every room faster than this) Link to video Wallcrawling to Plasma Beam (could potentially be faster but there isn't a full route made around this yet) Link to video Metroid Prime Phase 1 TAS Link to video Left SJF Link to video
Completed: 2010-Current | Sonic Adventure 2: Battle - Individual Level TASes 2014 | Spongebob: Battle For Bikini Bottom - Any% in 1:05:03.23 2014 | Sonic Adventure 2: Battle - Hero Story (w/ THC98) in 25:11.87 2016 | Metroid Prime - Any% in 00:37 (In-Game Time) 2018 | Spongebob: Battle For Bikini Bottom - Cheat% in 1:42.350 2020 | Spongebob: Battle For Bikini Bottom - Any% in 0:39:20.10 2022 | Spongebob: Battle For Bikini Bottom - Cheat% in 1:25.567 Currently working on: METROID PRIME ANY%
Joined: 7/6/2012
Posts: 84
Well the tas would be able to do the wallcrawl pretty quickly. Would be worth timing getting plasma upon entering magmoor, then doing phendrana for wave+boost and going through labs (get elder) then far phendrana, all in one trip...(versus what's currently done, going to phendarna first, then go through magmoor, get plasma, then take the elevator to far phendrana)
Player (223)
Joined: 1/20/2012
Posts: 534
Routing with Early Plasma for me has always brought on the problem of "well where do I go now? I'm so far from everything important and the only way back is a huge backtrack". But regardless, here are some routes that I just came up with off the top of my head: http://puu.sh/bFGxw.txt http://puu.sh/bFHsS.txt http://puu.sh/bFH9B.txt (this one actually seems kind of promising) Edit: Oh oops, I forget to add Lifegiver to those routes. You basically just collect it whenever you come through Magmoor and enter Tallon, and if you don't do that at all in the route, then you get it at the very end before the final bosses.
Completed: 2010-Current | Sonic Adventure 2: Battle - Individual Level TASes 2014 | Spongebob: Battle For Bikini Bottom - Any% in 1:05:03.23 2014 | Sonic Adventure 2: Battle - Hero Story (w/ THC98) in 25:11.87 2016 | Metroid Prime - Any% in 00:37 (In-Game Time) 2018 | Spongebob: Battle For Bikini Bottom - Cheat% in 1:42.350 2020 | Spongebob: Battle For Bikini Bottom - Any% in 0:39:20.10 2022 | Spongebob: Battle For Bikini Bottom - Cheat% in 1:25.567 Currently working on: METROID PRIME ANY%
Active player (432)
Joined: 4/21/2004
Posts: 3517
Location: Stockholm, Sweden
Wow thanks a lot ItsPersonnal. Feel free to update your route if/whenever you think one that really stands out. Also, could you give me your full MD5 checksum? Mine is: Game Id: GM8E01 Country: USA Maker Id: 0x01 Revision: 0 Date: 2002/03/28 FST Size: 5280 Md5 Checksum: eeacd0ced8e2bae491eca14f141a4b7c
Nitrogenesis wrote:
Guys I come from the DidyKnogRacist communite, and you are all wrong, tihs is the run of the mileniun and everyone who says otherwise dosnt know any bater! I found this run vary ease to masturbate too!!!! Don't fuck with me, I know this game so that mean I'm always right!StupedfackincommunityTASVideoz!!!!!!
Arc wrote:
I enjoyed this movie in which hands firmly gripping a shaft lead to balls deep in multiple holes.
natt wrote:
I don't want to get involved in this discussion, but as a point of fact C# is literally the first goddamn thing on that fucking page you linked did you even fucking read it
Cooljay wrote:
Mayor Haggar and Cody are such nice people for the community. Metro City's hospitals reached an all time new record of incoming patients due to their great efforts :P
Joined: 3/6/2011
Posts: 5
i think that even beyond the tricks, glitches, mechanics, routes and all that stuff it’s absolutely critical that you figure out how you’re going to be approaching this. metroid prime is an extremely complex game and you’re taking on a very daunting task here. you can sit there all day long researching all this stuff, digging through threads, testing tricks, learning about glitches and still fail miserably 5 rooms in. i think that it would be a good idea to tas random rooms/sections that are done in an any% run, then compare them to an optimized console run to see if you can at least beat them. this will give you a lot of perspective in terms of how to optimize your movement. at the very least, for the love of god don’t start tasing this game from the frigate because you’ll get absolutely nowhere. i don’t expect anything from anyone claiming to be working on a tas of this game but good luck.
Joined: 8/9/2004
Posts: 139
Location: Washington State
I'm very excited to hear this announcement, good luck angerfist and company.
Samsara
She/They
Senior Judge, Site Admin, Expert player (2121)
Joined: 11/13/2006
Posts: 2793
Location: Northern California
General consensus so far seems to be either "I'm excited about this run" or "You three pathetic plebeians better have Rain Man levels of savant syndrome or else this run is going to be complete fucking garbage".
TASvideos Admin and acting Senior Judge 💙 | Cohost
warmCabin wrote:
You shouldn't need a degree in computer science to get into this hobby.
Joined: 7/6/2012
Posts: 84
Samsara wrote:
General consensus so far seems to be either "I'm excited about this run" or "You three pathetic plebeians better have Rain Man levels of savant syndrome or else this run is going to be complete fucking garbage".
Yeah well, everyone who is "saying the latter" (that you're exaggerating) are all the people that know the most about the game, which should be saying something :P It's going to be ridiculously hard to make a metroid prime TAS and it shouldn't be underestimated. I can't think of any game with physics close to complex to that of metroid prime. I agree with t3 that working on individual rooms and bosses would be a good start, to get a general feel for the game physics and how strategies work out that aren't so obvious (i.e. bunny hopping, hitting loading triggers as quickly as possible, and so on).