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Author Topic: Anti-RPG RPG  (Read 61002 times)

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Offline Builderboy

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Re: Anti-RPG RPG
« Reply #60 on: December 14, 2009, 05:47:31 pm »
Quote from: ztrumpet on December 14, 2009, 03:49:57 pm
Code like that both reduces the size of your code and makes it faster.  Great job!

My favorite type of change :) Usually you are trading speed for size of visa-versa.

To bad it runs slower :( Do you know what it is that is slowing down the loop?  Maybe I could help, people say I'm good at making things fast, perhaps i could give a few suggestions :D
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Offline Insorak

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Re: Anti-RPG RPG
« Reply #61 on: December 14, 2009, 06:19:37 pm »
@ztrumpet: Not according to TI-BD, it isn’t: http://tibasicdev.wikidot.com/timings#toc3

The If:X structure is only considerably (20-fold) slower if one uses a For( loop, of which there are none in my movement engine. Otherwise, the speed is comparable (and even slightly faster).

And aahhh... xcopy uses the X variable. This could be slightly problematic, as my movement is stored (temporarily) in the variables X and Y before these variables are copied to L4(8 ) and L4(9). (Justification for this is the enormous toll saved on memory – X and Y take up one byte each, while L4(n) takes up an enormous five bytes. The default list variables take up TWO bytes each, which is extremely irritating.)

Does xcopy have deletion capabilities for the programs as well, or will I have to use another ASM library, since I don’t think I can manage otherwise? This is quite the interesting collection of ASM code I’m assembling (pun completely intended) ;)

I just tried it without xlib, and it didn't seem to run any faster. When I counted pixels there was a tiny difference, but not really enough to matter.

I would love some help with this devilish piece of code, builderboy :) I'll post it tomorrow (when I hijack my friend's link cable) but I'll just give some background information now (he brings his laptop to school and we only have lunch to do this, so I won't have time to type it out then):
  • In [A] is the "world" map for each portion of the game, and the element stored in a place in [A] gives you what map loads. For example, in the first zone, [A] is a 2x4 matrix with [[4,5][3,6][2,7][1,8]]. You start in room 1, and which room you progress to after that depends on which side you exit from. (i.e. if you exit to the up direction your y-coordinate in the matrix increases 1).
  • I'm not going to include the menu or teacher mode programs - only the map file, the event file, and some other necessary stuff. So don't press 2nd unless you want an error. :P
  • All the checks for stuff in L6 are completely necessary. (They're your status ailments.)
  • Whether you can move or not is determined directly from the string, seeing if sub(Str1,16(Y-1)+X,1 returns a valid string that you can move on. This is probably the slowest part, but I couldn't think of anything else unless you want me to store everything to a 128-element list which is extremely memory-inefficient.
  • You need xlib enabled. (Duh. :P)
Thanks for all the help and support so far, guys - I'm going to take a break (and do my homework) tonight! See you all tomorrow at noon :)

E - wait, do you guys just want the code or the actual files themselves to see how fast it runs? Code would be harder to do (my friend doesn't have a program editor on his computer).
« Last Edit: December 14, 2009, 06:23:54 pm by Insorak »
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Offline Eeems

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Re: Anti-RPG RPG
« Reply #62 on: December 14, 2009, 06:29:56 pm »
Both could be done, just use sourcecoder 2 on cemetech.net
« Last Edit: December 14, 2009, 06:35:22 pm by Builderboy »
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Offline Builderboy

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Re: Anti-RPG RPG
« Reply #63 on: December 14, 2009, 06:40:04 pm »
Quote from: Insorak on December 14, 2009, 06:19:37 pm
  • All the checks for stuff in L6 are completely necessary. (They're your status ailments.)

Its assumptions like that that leave room for optimization ;) Although I'd have to look at it to be sure.  Often times you can check whether or not you need to check, if you get my meaning.  It may be slower when you need to actually do the checking, but if you don't need to do the checking often, it will be much faster.  (I do have to see if this can be applied though)

Hope to see the code soon though!
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Offline Insorak

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Re: Anti-RPG RPG
« Reply #64 on: December 14, 2009, 07:16:58 pm »
I need to do that particular check every turn, actually - the counter ticks down once per turn :P
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Offline DJ Omnimaga

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Re: Anti-RPG RPG
« Reply #65 on: December 14, 2009, 08:29:13 pm »
Never use Y variable. Some TI-OS glitches causes it to be reset to 0 from time to time. You'll run into problems later.
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Offline ztrumpet

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Re: Anti-RPG RPG
« Reply #66 on: December 14, 2009, 10:01:07 pm »
Quote from: DJ Omnimaga on December 14, 2009, 08:29:13 pm
Never use Y variable. Some TI-OS glitches causes it to be reset to 0 from time to time. You'll run into problems later.
I am pretty sure these only deal with some draw-type commands and the graph screen.

Quote from: Insorak on December 14, 2009, 06:19:37 pm
@ztrumpet: Not according to TI-BD, it isn’t: http://tibasicdev.wikidot.com/timings#toc3
Ah, yes that would be correct when you have an empty If 1: statement.  However if you have If 1:"Blahblahblah (or mabey If A*SD*(2=H):"Hi I don't remember which is longer to matter; line of If or the next) as an example it would take the basic parser longer than an If:Then.  I'm not sure how it works exactly, but longer ifs are slower.  I wish I could explane it better. (I feel like that didn't make much sense :P)

Like I said, Without a program in a string it will detete the program. Like 1->X:Asm(prgmXCOPY

I can't wait to see your code. :)
« Last Edit: December 14, 2009, 10:05:23 pm by ztrumpet »
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Offline Insorak

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Re: Anti-RPG RPG
« Reply #67 on: December 15, 2009, 11:29:30 am »
Lunch was extraordinarily hectic, so I will be posting code after school. I'm on one of my school's pathetic Macs right now (which, incidentally, doesn't have TI-Connect - imagine that!) so I can't transfer code right now. (I suppose I could just type it out, but I have better things to do with my time. :P)

Quote
Never use Y variable. Some TI-OS glitches causes it to be reset to 0 from time to time. You'll run into problems later.
I think ztrumpet is right - the Y variable automagically gets set to zero whenever you display the graph screen. However, I don't display the graph screen while I'm moving except if I go into the menu (during which I temporarily save the value of Y somewhere else). I've already run into problems with that in which I moved up a screen whenever I exited the menu. It was fixt rather fast.

ztrumpet, it made sense. I need to test that. If it's true (and not that I'm doubting you, but I like to test these things. There should be documentation for that somewhere, or else I can't read), then it would be an interesting speed-for-memory tradeoff (and a good excuse not to use xlib).

Okay, thanks for xcopy syntax. :)
« Last Edit: December 15, 2009, 11:30:16 am by Insorak »
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Offline DJ Omnimaga

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Re: Anti-RPG RPG
« Reply #68 on: December 15, 2009, 01:50:36 pm »
Quote from: Insorak on December 15, 2009, 11:29:30 am
Lunch was extraordinarily hectic
A food fight occured? O.o

But yeah the Y glitch is something many people ran into before and they would wonder why their game would not work. Finally when they would post the code I would discover they used Y and that it was always reset to 0. I guess this might just be something to do with Graph screen indeed, though
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Offline jsj795

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Re: Anti-RPG RPG
« Reply #69 on: December 15, 2009, 01:54:48 pm »
I wonder why Y change and X doesn't???
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Offline DJ Omnimaga

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Re: Anti-RPG RPG
« Reply #70 on: December 15, 2009, 02:00:56 pm »
Yeah that always confused me. I mean, X is used by graph screen too afterward >.>
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Offline Insorak

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Re: Anti-RPG RPG
« Reply #71 on: December 15, 2009, 02:10:21 pm »
Because the TI-BASIC parser is idiotic.

Okay, I've attached the files. Theta-G is the main file for the movement engine, and theta_G.txt is the source code for that file.

Thanks a bunch, guys! Appreciate it! :)
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Offline DJ Omnimaga

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Re: Anti-RPG RPG
« Reply #72 on: December 15, 2009, 02:44:46 pm »
Cool, I'll check out when I get some time
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Offline ztrumpet

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Re: Anti-RPG RPG
« Reply #73 on: December 15, 2009, 04:27:56 pm »
What do we run first?  All the programs give silly little errors, except for thetaMO.  I really like how it looks, though.

Here's the code for those like Eeems that can't open zips. (Ipod)
Code: [Select]
:While 1
:¦ "θM"+sub("0123456789",{L4}(1),1
:¦ real(10,0,0
:¦ {L4}(2→X
:¦ prgmXTEMP000
:¦ real(10,1,0
:¦ Output(1,1,Str1
:¦ Output({L4}(9),{L4}(8),"π
:¦ {L4}(9→Y:{L4}(8→X
:¦ Repeat X=17 or Y=9 or not(XY
:¦ ¦ {0 //This is unnessecary, as a Repeat loop is a post-test loop.
:¦ ¦ Repeat sum(Ans //change this to sum(Ans={24,25,26,34,21,15
:¦ ¦ ¦ getKey // add →θ
:¦ ¦ ¦ Ans={24,25,26,34,21,15 //get rid of this
:¦ ¦ End
:¦ ¦ sum(Ans{24,25,26,34,21,15→θ //Get rid of this
:¦ ¦ If θ=15
:¦ ¦ prgmTM
:¦ ¦ If θ=21
:¦ ¦ Then
:¦ ¦ ¦ "θM
:¦ ¦ ¦ real(10,0,0
:¦ ¦ ¦ prgmXTEMP000
:¦ ¦ ¦ real(10,1,0
:¦ ¦ ¦ If 2={L4}(4
:¦ ¦ ¦ real(5,0,35
:¦ ¦ ¦ If {L6}(1
:¦ ¦ ¦ real(5,0,2
:¦ ¦ ¦ Output(1,1,Str1
:¦ ¦ End
:¦ ¦ Y→T
:¦ ¦ X→U
:¦ ¦ Y+(θ=34)-(θ=25→Y
:¦ ¦ X+(θ=26)-(θ=24→X
:¦ ¦ If X≠17 and Y≠9 and XY //You could move this to the begining of the loop (before the getKey to save speed)
:¦ ¦ Then
:¦ ¦ ¦ sub(Str1,16(Y-1)+X,1
:¦ ¦ ¦ If Ans=" " or Ans="/" or Ans="-" or Ans="=" or Ans="ñ
:¦ ¦ ¦ Then
:¦ ¦ ¦ ¦ If Ans="ñ
:¦ ¦ ¦ ¦ Then
:¦ ¦ ¦ ¦ ¦ "θM"+sub("0123456789",{L4}(1),1)+"A
:¦ ¦ ¦ ¦ ¦ real(10,0,0
:¦ ¦ ¦ ¦ ¦ prgmXTEMP000
:¦ ¦ ¦ ¦ ¦ real(10,1,0
:¦ ¦ ¦ ¦ ¦ If {L6}(1
:¦ ¦ ¦ ¦ ¦ real(5,0,2
:¦ ¦ ¦ ¦ End
:¦ ¦ ¦ ¦ Output(T,U,sub(Str1,16(T-1)+U,1
:¦ ¦ ¦ ¦ DelVar TDelVar UOutput(Y,X,"π
:¦ ¦ ¦ ¦ If 1={L6}(1
:¦ ¦ ¦ ¦ Then
:¦ ¦ ¦ ¦ ¦ 0→{L6}(1
:¦ ¦ ¦ ¦ ¦ real(5,0,23+12(2={L4}(4
:¦ ¦ ¦ ¦ End
:¦ ¦ ¦ ¦ If {L6}(1
:¦ ¦ ¦ ¦ {L6}(1)-1→{L6}(1
:¦ ¦ ¦ ¦ If {L6}(2
:¦ ¦ ¦ ¦ Then
:¦ ¦ ¦ ¦ ¦ int(.95H)+(H=0→H
:¦ ¦ ¦ ¦ ¦ {L6}(2)-1→{L6}(2
:¦ ¦ ¦ ¦ End
:¦ ¦ ¦ ¦ If {L6}(3
:¦ ¦ ¦ ¦ {L6}(3)-1→{L6}(3
:¦ ¦ ¦ ¦ If 1=randInt({-}9+6{L6}(3),1
:¦ ¦ ¦ ¦ prgmθF
:¦ ¦ ¦ ¦ Else
:¦ ¦ ¦ ¦ T→Y
:¦ ¦ ¦ ¦ U→X
:¦ ¦ ¦ ¦ Output(Y,X,"π
:¦ ¦ ¦ End
:¦ ¦ ¦ X→{L4}(8 //These two lines are a big time hog.
:¦ ¦ ¦ Y→{L4}(9 //Is it possible to move these outside of the loop?
:¦ ¦ End
:¦ End
:¦ ClrHome
:¦ (Y=9)-(Y=0)+{L4}(7→{L4}(7
:¦ (X=17)-(X=0)+{L4}(6→{L4}(6
:¦ [A]({L4}(7),{L4}(6→{L4}(2
:¦ If not(X:16→X
:¦ If not(Y:8→Y
:¦ If X=17:1→X
:¦ If Y=9:1→Y
:¦ X→{L4}(8:Y→{L4}(9
:End
« Last Edit: December 15, 2009, 05:05:41 pm by ztrumpet »
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Offline Eeems

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Re: Anti-RPG RPG
« Reply #74 on: December 15, 2009, 06:03:50 pm »
looks good!
I actually was able to get on the comp right now, but thanks for thinking about me Ztrumpet!
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