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Radiant wrote:
So from 47 seconds to about 1.5? Awesome!
With a poked seed value.
We'll still have to work out the best approach with either the current save or a new run using a new Initial RTC Time setting.
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So an Initial Seed of 2. Yields some promising return values around the 586th seed through the roughly 820th seed.
This assumes that the 586 random calls doesn't change much. with a new RTC time and initial seed.
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Radiant wrote:
DrD2k9 wrote:
214 for the ship. 36 for the droid.
Is that including the coupon?
I believe so. I think it's like 44 or 45 without the coupon.
c-square wrote:
Okay, I've got my first proof of concept done.
SUCCESS!
c-square wrote:
The big trick now is, how can you do the run to ensure you get to the slot machine with the right seed value loaded up?
I don't think it's worth trying to manipulate initial seed to land on a good number when entering the slots.
Isolating an initial seed that will yield a list of return values with a high percentage in the 3-16 range (actual wins with monetary increase) may be beneficial.
c-square wrote:
In the end, this route costs 70 frames in RNG manipulation:
That's a whole lot less time lost than in my original!
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With the judgement of 'delayed' for the BIOS situation; I'm going to cancel this submission and re-submit with a new run using the new BIOS settings (Text is legible).
We're also making pretty good progress on determining the RNG for the slot machine, so I anticipate improvements there as well.
Keep your eyes open for the new submission over the next couple weeks!
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Also, Have we confirmed that the return values in my spreadsheet are correct for the slots when determining v64 for a spin? I haven't had a chance.
EDIT: I'm thinking my math on the return value is incorrect. I'm not getting the spins I expect based on the seed value. Could either of you write a better return value formula for the spreadsheet (or figure out why I'm not matching up, if the math is correct)?
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c-square wrote:
DrD2k9 wrote:
$250
214 for the ship. 36 for the droid.
Great, and we start with $30 to play with.
Looks like there's a nice set of values close together starting around seed value 4319. That means if we can start the game off with a seed of one of the following values, we should be able to cut down the slot section significantly:
63832 - 10 rng numbers for manipulation
40825
37734
48559
53668
32341
11154
53995
17584
59633 - 0 rng numbers for manipulation
I'm not sure I completely understand this...
If we choose a given initial seed and then guards need manipulated, won't changing it to a different initial seed also change whether or not guards may need manipulated?
Guards aren't hard to avoid at the speeds we're running. So if there's a tradeoff between being able to manipulate guards and getting the best initial seed for the slots; I'm leaning toward slots.
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$250
214 for the ship. 36 for the droid.
EDIT: If I remember correctly, if your last win on the slots would give you more than 250 the game sets your total buckazoids to 250.
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OK...more concrete info.
Use this savestate and do the following using a memory search program (Cheat Engine is what I used).
Let Roger enter the slot machine.
Enter 'Y' 6 times
search value 63453
enter 'Y' 1 more time
search value 39290
This should yield the agi_rand_seed memory address of the emulator...not the internal memory address.
You LUA smarter people may be able to use that info to find the internal memory address (which I'm guessing will be static internally).
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OK, I've successfully found a memory address for the random seed that follows the expected pattern (0x7C4D * agi_rand_seed + 1) of change when using the 'Y' or 'N' input.
Unfortunately the random seed memory address isn't always the same distance from the variable memory address. :(
Now I'm going to try and see if the return values follow as expected (because I'm dense and didn't check that at the same time as checking the basic sequence).
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Radiant wrote:
Due to random encounters, this is certainly when you enter the first playable room (logic 2); I haven't checked the title sequence to see if it does anything random.
This should drastically reduce the potential range of frames where the initial is set. Possibly within 3-7 frames.
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dokurokun wrote:
So to avoid upsetting any TAS authors, if you don't want your TAS to get uploaded or used by me, please reply your name here, I'll avoid using your TAS.
If you're profiting from these videos (which you shouldn't be)...don't upload mine. Otherwise, I don't mind if you're uploading them somewhere other than YouTube, as long as you're appropriately acknowledging the authorship according to the redistribution guidelines.
EDIT:On further thought....just don't re-upload mine at all. :END EDIT
As Spikestuff already stated: there's no reason to re-upload these videos to YouTube...when they're already there.
I expect that you'll be upsetting a significant group of people involved with this site if you do start re-uploading to YouTube (and possibly by just re-uploading in general).
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Radiant wrote:
Finally, and most importantly, JPC-RR has a parameter "Initial RTC time". Since the random seed is initialized as the amount of milliseconds since midnight, altering this parameter is an easy way to get a different pattern. I believe this is legit by the site rules, but we should probably check that.
If we can figure out when the game first sets the seed, this may be beneficial to change.
Radiant, do you know how quickly this is set? If we can even narrow down the frame region to even as many as 20 frames it may make it easier to find the starting 'ms from midnight' seed.
Radiant wrote:
Please upload it somewhere so we can all use the same one. I'm guessing it's in Excel?
Here
The initial seed is probably not correct for when the game sets it; it's based off 1:46:00.00am
Also, I'm not 100% sure the math is correct, but I believe it is.
c-square wrote:
Since the game initializes the seed only once on startup, wouldn't this only be useful then? Changing this mid-game would have no effect on the seed.
If we can figure it out when it's set, I'll redo the run from the beginning. It'd be worth it, if it makes RNG manipulation easier.
Radiant wrote:
So how to approach this?...
The easy way to advance the seed, which can be done at any time, is typing N + enter or Y + enter. These are the shortest inputs that give a randomized message (all other one-letter inputs are either not recognized, which give a non-random message, or are ignored).
Could we use this information to isolate the random_seed? I don't have time to test it right now, but here's a testing possibility using a memory searching program :
Stand in one spot in a room without any room based RNG.
Search unknown value
Use the Y or N text input to change the seed
search changed value
use 1 letter text input to NOT change the seed
search equal value
alternate these, or create a custom sequence of change/no-change searching appropriately to isolate the memory location.
Once we have that, we have the seed number. Then we should be able to compare it to known variable memory locations and be able to find the seed value at any point in a game. Even if we don't know the initial seed to plug in the spreadsheet, if we can find any random seed with this method, we can plug it into the spreadsheet.
If we could somehow find the pointer to the random memory address we could watch the memory frame by frame from emulator startup until the initial seed is set. Though this may become a moot point if we can obtain the seed value at any point using the above.
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c-square wrote:
v64 is the amount won:
-- Big win, all diamonds (LOGIC.114)
if (v64 == 4) {
v125 = 2;
v127 = 2;
v128 = 2;
v129 = 7;
}
-- Payout depends on bet (LOGIC.115)
if (v129 == 7) {
if (v123 == 1) {
v64 = 20;
}
else {
if (v123 == 2) {
v64 = 40;
}
else {
v64 = 60;
}
}
}
Yea it appears so in Logic.115. In Logic.114 though it's set randomly...and the outcome determines v129 (win/lose result?). It must be used for multiple things. EDIT: Confirmed with cheat engine. v64 is visible as random number during spin, then changes to $ won when the last symbol locks.
:END EDIT
Anyway...I've done some memory searching using Cheat Engine and the v(n) variables line up in memory.
i.e.
v125 = 0A71B3D2
v124 = 0A71B3D1
v64 = 0A71B395
These memory addresses change when a save-state is loaded. I could not find pointer addresses.
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I'm my assumption of v129 as result is corrent, it appears that v64 is set to a specific number after each spin depending on the v129 result.
From Logic.115
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Here's Logic.114 from AGI Studio. I think this is the logic for the spinning symbols.
I know v124 is the variable for Buckazoids. (confirmed with ALT-D)(also not in this particular logic tree)
I believe v64 is the random number; v125, v127, and v128 are the slot symbols; and v129 is the result. But I can't confirm those.
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On a note completely unrelated to TASing (as cheating is not allowed)...
After examining some of the game files...The "holy shit" cheat can also be performed with any of the following text inputs (Warning: potentially offensive Language):
holy asshole
holy cock sucker
holy cocksucker
holy dick head
holy dickhead
holy fart
holy fuck
holy motherfucker
holy piss
holy shit
holy shit head
holy shithead
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Radiant wrote:
DrD2k9 wrote:
I however can't get the returned value to calculate in Excel; perhaps because the seed^(seed>>8) portion can yield a result too great for excel to calculate.
Also, ^ means xor, not power.
Well hey, that makes writing the formulas a bit more difficult, but actually yields a result!
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Radiant wrote:
Suppose it's 3. Then the next value is ((7C4D * 3) + 1) % 65536 = 29928. The third value is ((7C4D * 29928) + 1) % 65536 = 35273. Then 52598. And so on. (edit) wait no, I forgot about the >> in the return formula. Anyway you get the general idea.
The return command portion of the function doesn't change the seed itself, correct? So wouldn't the above arithmetic be correct for the agi_rand_seed?
Example sequence for agi_rand_seed:
3 > 29928 > 35273 > 52598 > 62591 > 3636 > 30117 > 20130 > 7867 > 53824 > 15681 > 59534 > 47799 > 52492 > 31901 > etc?
I just used excel to find this sequence quickly.
I however can't get the returned value to calculate in Excel; perhaps because the seed^(seed>>8) portion can yield a result too great for excel to calculate.
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c-square wrote:
I'm not a judge, but I'd say if it's not going to take you long then just leave it and replace the file.
Regardless of whether the current one is judged/cancelled; I think a separate submission may be more appropriate as we have no idea how the new graphics settings will affect things.
A future submission will hopefully have at least one time improvement, assuming the slot machine RNG can be better overcome. Though I am curious if the longer startup will negate any improvement that can be obtained at the slots.
