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Author Topic: First non-TI-BASIC game on TI-Nspire OS 3.0  (Read 26917 times)

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Offline BrownyTCat

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Re: First non-TI-BASIC game on TI-Nspire OS 3.0
« Reply #15 on: April 13, 2011, 10:29:09 am »
I have intermediate Lua knowledge, so this could be fun.  :hyper:
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Offline Hot_Dog

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Re: First non-TI-BASIC game on TI-Nspire OS 3.0
« Reply #16 on: April 13, 2011, 12:07:08 pm »
Quote
I'm afraid TI won't make a SDK, since we have behaved badly, we hacked their new calculator in just a few hours and are already making games (I give critor and all the other guys the merit for this though, while saying 'we').

I'm pretty sure that TI made a SDK before just to make money.  They only gave SDKs for free when not many people were using them.
« Last Edit: April 13, 2011, 12:07:55 pm by Hot_Dog »
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Re: First non-TI-BASIC game on TI-Nspire OS 3.0
« Reply #17 on: April 13, 2011, 12:17:55 pm »
Well this is awesome. I'm sure the TI developers bets on how fast we find the stuff they hide on their calcs. :P
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Re: First non-TI-BASIC game on TI-Nspire OS 3.0
« Reply #18 on: April 13, 2011, 12:21:34 pm »
Boo-Yah! If I ever get an Nspire, I'm definitely going to learn Lua.
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Re: First non-TI-BASIC game on TI-Nspire OS 3.0
« Reply #19 on: April 13, 2011, 12:32:42 pm »
Quote from: juju2143 on April 13, 2011, 12:17:55 pm
Well this is awesome. I'm sure the TI developers bets on how fast we find the stuff they hide on their calcs. :P
If they know about Omnimaga (and the other calc sites), I'm pretty sure they do. :P
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Offline ztrumpet

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Re: First non-TI-BASIC game on TI-Nspire OS 3.0
« Reply #20 on: April 13, 2011, 03:23:24 pm »
Wow, this looks incredible.  Major props to Goplat and all involved; this is amazing. ;D
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Offline DJ Omnimaga

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Re: First non-TI-BASIC game on TI-Nspire OS 3.0
« Reply #21 on: April 13, 2011, 03:29:34 pm »
I wouldn't be surprised if eventually TI tried to sell us a Lua SDK. Hopefully the community can either write one or a program to convert txt files to a TI-Nspire lua compatible format.

By the way I added a screenshot on the first post. I captured from the TI-Nspire software, but it's a CX screenshot, not regular TI-Nspire.
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Offline Goplat

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Re: First non-TI-BASIC game on TI-Nspire OS 3.0
« Reply #22 on: April 13, 2011, 03:44:44 pm »
Here's how I made the .tns file:

  • Create a blank document
  • Create a Problem1.xml file, containing the following (without any line breaks, except in the script itself):
    <?xml version="1.0" encoding="UTF-8" ?><prob xmlns="urn:TI.Problem" ver="1.0" pbname=""><sym></sym><card clay="0" h1="10000" h2="10000" w1="10000" w2="10000"><isDummyCard>0</isDummyCard><flag>0</flag><wdgt xmlns:sc="urn:TI.ScriptApp" type="TI.ScriptApp" ver="1.0"><sc:mFlags>0</sc:mFlags><sc:value>-1</sc:value><sc:script>Lua script goes here (with appropriate character entities replacing the five characters < > " ' &)</sc:script></wdgt></card></prob>
  • Use 7-zip to create a zip file containing Problem1.xml
  • Concatenate the beginning of the blank document, up to the end of Document.xml (at offset 0x170), with the zip file. (OS 3.0 requires Document.xml to be encrypted, but thankfully Problem*.xml can still be unencrypted.)
« Last Edit: April 13, 2011, 03:48:45 pm by Goplat »
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Offline DJ Omnimaga

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Re: First non-TI-BASIC game on TI-Nspire OS 3.0
« Reply #23 on: April 13, 2011, 03:47:42 pm »
Oh wow nice, could you elaborate on number 4, though? To me it seems kinda like Chinese because I never messed with advanced zipping options before x.x
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Offline Lionel Debroux

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Re: First non-TI-BASIC game on TI-Nspire OS 3.0
« Reply #24 on: April 13, 2011, 03:48:44 pm »
DJ: concatenating the two documents can be done by copying and pasting, using a hex editor such as XVI32 :)
Open the blank TNS document with the hex editor; open the zipped problem1.xml; copy the entire contents of the latter to the clipboard; paste at the end of the former; save the former.

Goplat: thanks for the explanations :)
It's even simpler than I thought.
« Last Edit: April 13, 2011, 03:50:13 pm by Lionel Debroux »
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Offline aeTIos

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Re: First non-TI-BASIC game on TI-Nspire OS 3.0
« Reply #25 on: April 13, 2011, 03:49:02 pm »
O.O that looks actually pretty easy :)
Thanks for sharing this!
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Offline DJ Omnimaga

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Re: First non-TI-BASIC game on TI-Nspire OS 3.0
« Reply #26 on: April 13, 2011, 03:51:23 pm »
Yeah but where do you do the concatenation? Do you just open the empty document file in notepad then paste its content at the end/beginning of the XML file? Or do we absolutely need an hex editor? Maybe it would be nice to have a tutorial describing every step in detail for the average computer-illiterate person, in the forum help section.

It's still nice that it can already be done without having someone write an entire IDE or something, though. Congrats to everyone for having found out about Lua on the Nspire.

EDIT: Nvm my first paragraph, I didn't see your edit.
« Last Edit: April 13, 2011, 03:52:02 pm by DJ_O »
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Offline Jim Bauwens

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Re: First non-TI-BASIC game on TI-Nspire OS 3.0
« Reply #27 on: April 13, 2011, 03:59:47 pm »
This is real cool!

I hope we will start seeing nice programs in Lua for the nSpire's :)
« Last Edit: April 13, 2011, 04:00:15 pm by jimbauwens »
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Offline GB

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Re: First non-TI-BASIC game on TI-Nspire OS 3.0
« Reply #28 on: April 13, 2011, 05:41:54 pm »
We still gotta find some way to run Ndless though. I doubt it'll be easy to create another nDoom or Gameboy emulator in Lua.
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Offline DJ Omnimaga

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Re: First non-TI-BASIC game on TI-Nspire OS 3.0
« Reply #29 on: April 13, 2011, 05:44:23 pm »
Yeah I agree. However Lua opens the Nspire to more programmers. Many people can't stand C and ASM difficulty (probably the reason why there are so few Nspire coders despite the large amount of Nspire users around here)
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