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Post AWxQYf7gWEXvVW83M0 by [email protected] |
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More posts by [email protected] |
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Post #AWvl1x60NuKoPkfR2W by [email protected] |
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I love finding a function in a game that is literally justvoid func(const char*… |
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Post #AWvpR3TsBM7nH03Zzc by [email protected] |
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@foone is this the C++ version of my time honoured method of debugging python, … |
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Post #AWvpR3XlwrFBT5sh4S by [email protected] |
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@http_error_418 it's more like having a bunch of error printing that you tu… |
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Post #AWvpX1mRPwpDjjadIu by [email protected] |
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@foone I’m curious why you chose this game, and what your goal is (obviously … |
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Post #AWvpX1qLBRwbvpPkNk by [email protected] |
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@bnut This particular game, someone asked me to, so I'm looking into it to … |
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Post #AWvpbeS9Zi7wpvIz1k by [email protected] |
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found another one! this one is called 450 times in the codebasebut they didn… |
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Post #AWvpfy7sND9F0dsZd2 by [email protected] |
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@foone And when you have all the string constant that are passed as argument yo… |
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Post #AWvpfyC87OYDDpryG8 by [email protected] |
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@Seiryn exactly.if (iVar9 == 0) { FUN_0046320e0("TEXTURE NOT LOADED!&qu… |
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Post #AWvprJVFEcYEUhDf9c by [email protected] |
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also found that a bunch of functions do this:if (DAT_006b4af0!=0){ if(param1 =… |
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Post #AWvpxUU5JsCAI0ce1I by [email protected] |
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so, there's a global boolean that says "log all invalid function argum… |
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Post #AWvq2ecf3LC5BH60oa by [email protected] |
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it also means I can quickly look up all 420 (blaze it) places that DAT_006b4af0… |
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Post #AWvqJ359sdg7fsF7I0 by [email protected] |
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hey look this function (PR_InitBumpMapDot3 aka PR_InitBump) calls itself by two… |
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Post #AWvqPn7lbs8KD0g6O8 by [email protected] |
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C:\\Engines\\New Engine\\Ring0\\Win32\\PRSDK\\src\\Core\\Surfaces\\PR_D3DTextur… |
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Post #AWvrUnKUNGXmFOZuwC by [email protected] |
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@foone Not necessarily? It could be inlining? |
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Post #AWvrUnP668EKTgjb7Y by [email protected] |
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@Seiryn Nah, the test is one block at the top of the function. inlining it woul… |
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Post #AWvre0ujEjoIz8vQCO by [email protected] |
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BTW, because it's always fun to mention this fact, it turns out this game (… |
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Post #AWvtLnfbwDxcbdISki by [email protected] |
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"%s is an abstract class and cannot be explicitly instanciated"NINETE… |
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Post #AWw3Q7vbYoN28QTnhQ by [email protected] |
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wow, this engine doesn't believe in alignment AT ALL.the structure for diff… |
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Post #AWw4J5rAxnnldacNwe by [email protected] |
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I have one copy of the SDK which might help me hack this, but it's a sharew… |
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Post #AWw4av6dflk5VXLpxY by [email protected] |
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ahh. they stuck it in a self extractor, and that got infected. the installer in… |
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Post #AWw5UlLZ90k5SMxds8 by [email protected] |
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VARIFY YOUR PASSWORD |
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Post #AWw76cTmf4tqufQ7hw by [email protected] |
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R0GrSystemInitialzieDeviceSPELLING IS HARD |
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Post #AWxOZcmKWN2YcLTI2K by [email protected] |
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okay this is really weird. The game stores user-created fashion designs as high… |
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Post #AWxOi7YNz41KNi05y4 by [email protected] |
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See, I overwrote Outfit1B.jpg with a cat. Now I have a Cat Skirt. |
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Post #AWxOpNW91rbrv4Pewy by [email protected] |
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but if I hit the edit button, it's back to the original version.Strange dec… |
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Post #AWxP1a9HtM7eZOXavA by [email protected] |
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now I want to design an outfit by making an image, jpeg compressing it a lot, t… |
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Post #AWxPYVkPHDXaTYbYdk by [email protected] |
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@foone sounds like a cache then? |
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Post #AWxPYVof1OwYgkaxGq by [email protected] |
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@gareth yeah, but a really low-res JPEG cache |
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Post #AWxPsqys2dNI7a4Pku by [email protected] |
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as a reverse engineer, there is nothing I love more than seeing this:int ivar3 … |
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Post #AWxQ2ES29GvFWHBPNI by [email protected] |
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@foone thumbnails maybe? |
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Post #AWxQ2EVvum2diN0WS8 by [email protected] |
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@gareth nope, they're reloaded as the actual textures used by the game |
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Post #AWxQQESVltRqUeqnho by [email protected] |
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Fun fact: You can alter the game resolution using the undocumented ini settings… |
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Post #AWxQYf3mkjQXJQIwHA by [email protected] |
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@foone as someone whose only "reverse engineering experience" so far … |
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Post #AWxQYf7gWEXvVW83M0 by [email protected] |
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@7331 go for it! but it's still real with java. This is just a different so… |
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Post #AWxQivzudNp6jsOLB2 by [email protected] |
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oh my godwhen you go into the edit screen, it loads 12 patterns.all 12 are name… |
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Post #AWxQpWIoZBMz4eNCHg by [email protected] |
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I guess these people REALLY failed at naming things |
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Post #AWxQpZNX85vWc9bVYW by [email protected] |
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that's for the 12 plain-color cloth textures.The next page has 12 more colo… |
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Post #AWxR2yAUH2FzGKtK5o by [email protected] |
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then they've got 10 digits, 26 letters, and 8 sporty icons. 44 in total.You… |
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Post #AWxRNN5xJ1GyMbV49g by [email protected] |
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oh hey I see now why they have the debug_mode global boolean turned off.this ga… |
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Post #AWxRVPo96UWX5s0OAq by [email protected] |
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"PR: (ERROR) PR_SelectTexture Parameter 1 is out of range (0 to 228). Valu… |
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Post #AWxRwKKlYziHw45zay by [email protected] |
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so they load 68 files named Patterns01.tga when you click the desk, but the fun… |
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Post #AWxS6FEJOYyN08o1Q0 by [email protected] |
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I'll set a breakpoint on PR_LoadPRO (the proprietary file format for this e… |
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Post #AWxSIVwv3gEWKZWNSi by [email protected] |
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this game is from 2004, not 1994 |
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Post #AWxTcsCO92VF5A1pSq by [email protected] |
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@foone french developer? |
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Post #AWxTcsGdtDuDIM1E5w by [email protected] |
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@f4grx Thai, I believe |
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Post #AWxToUcVdTCzQfmr8i by [email protected] |
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@foone calling it now, the file contents are PNG, but the image data is nonsens… |
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Post #AWxToUglNebxdrmFlo by [email protected] |
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@emily AHHHHHHHHHHHHHHHHI already did my time with JPEGs-in-TIFF and still get … |
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Post #AWxWhE4f3QrbwrBIwq by [email protected] |
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@[email protected] ... why jpeg? PNG is fast enough, even on a wii, right? an… |
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Post #AWxWhE8uncGaA3AhZw by [email protected] |
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@sekoiatree This is a PC game, where it makes even less sense |
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Post #AWxWodxpCAieGrWL9k by [email protected] |
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I think they did finally figure out an engine name, based on these function nam… |
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Post #AWxX85K9h9ZUd4Egl6 by [email protected] |
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It's got a feature to upload your designs to the barbie website, and I thin… |
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Post #AWxXXbyFS7df7XA2t6 by [email protected] |
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@[email protected] maybe my instinct of "default to png" is a moder… |
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Post #AWxXXc2VCJ2dKj9RWC by [email protected] |
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@sekoiatree Nah, PNG would have made perfect sense back in 2004. The only major… |
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Post #AWxYe91LaPnbJaI17w by [email protected] |
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@foone No PR_LoadIFF, literally unusable |
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Post #AWxYe95FLuuzVg78Cm by [email protected] |
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@Taffer fun fact: the main data files for this game (which is my primary target… |
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Post #AWxYm1ZFBIsGW1tyiG by [email protected] |
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__stdcall my beloved. best x86 calling convention ever.how do we pass arguments… |
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Post #AWxZtPzuqgNmGXT1YO by [email protected] |
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actually I think Girl_One_Cheezy_Fashion is the username.The password is bfs~^a… |
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Post #AWxa9xnewMD3jdcitU by [email protected] |
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@foone Going back to the full path in your "pick a name" toot, maybe … |
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Post #AWxa9xsGfDtbxvmP4q by [email protected] |
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@nullcolaship my godit is! |
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Post #AWxaKMGepC3iW48yVE by [email protected] |
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ooh, fun fact: if the server responds with a 501 error, the game just hangs for… |
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Post #AWxaUX09lsmyhcHCt6 by [email protected] |
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I was wrong on both counts! I netcatted it, and it turns out "Girl_One_Che… |
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Post #AWxaesVAglT8HQiWiu by [email protected] |
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User-Agent: Barbie Fashion ShowIT'S INTERNET EXPLORER, STOP LYING TO THE WEB |
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Post #AWxb2rbdfdBwS6BBke by [email protected] |
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I hacked the EXE to upload to localhost. The game originally pointed at vvjpgxf… |
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Post #AWxb2uTwyfp9N7bagS by [email protected] |
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this is what it uploads, btw |
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Post #AWxcCF6pkuOzuFo5Dc by [email protected] |
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@foone did they really go through the trouble of rendering a jpeg in the game a… |
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Post #AWxcCFAjWPWO6LdCIS by [email protected] |
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@0xabad1dea @foone tbh this seems easier to me? then you only need to have one … |
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Post #AWxcrcsMITUnUQlkuG by [email protected] |
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@foone i dont suppose it's like the creature designs from spore where the &… |
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Post #AWxcrcxK01Svjp5ids by [email protected] |
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@Runner Nope. Way too small for that. They were clearly focusing on dial-up use… |
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Post #AWxd05Vpi6QIcbGgBU by [email protected] |
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I had to name the game-specific allocation and free functions, and this is a ba… |
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Post #AWxer8XZHb7BJZwHhI by [email protected] |
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@whitequark @0xabad1dea @foone trusting your user uploads is a no-go in compute… |
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Post #AWxer8csxpMta4QWzA by [email protected] |
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@janvenetor @whitequark @0xabad1dea they clearly assumed there was only a small… |
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Post #AWxfvL4miWD5J32lFY by [email protected] |
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@foone shouldn't that be new Barbie and delete Barbie? malloc is so C89 |
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Post #AWxfvL9kQ4BDYRMizA by [email protected] |
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@cmouse you'd think, but no. This codebase is C++ but they're using mal… |
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Post #AWxnrZjP5RxlEWl7WS by [email protected] |
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yeah the bastard thing is loading "files" named like "E13841F5C_… |
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Post #AWxo4phN24kqWG86TY by [email protected] |
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ahh, fun. they are running python 2.2, which is prior to python having booleans… |
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Post #AWxoMYDEmeepV3U3aS by [email protected] |
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@foone prior to WHAT |
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Post #AWxoMYHUWq3niFTSDY by [email protected] |
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@syn @foone to this day python's bool inherits from int. they basically mov… |
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Post #AWxoaJPob0YXf4ve7M by [email protected] |
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@whitequark @syn @foone This is a gross oversimplification!It's actually &q… |
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Post #AWxorVwdGWCnRYTuGe by [email protected] |
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@syn it had the idea of c-style truthiness, so it sorta had booleans, but there… |
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Post #AWxrySGlczvFvzttOS by [email protected] |
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So they modified python 2.2's source so that load_module in import.c doesn&… |
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Post #AWxt1h2nFjDGa1TLhQ by [email protected] |
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and I can confirm (because I disassembled it) the sipEngine.bc is actually a .p… |
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Post #AWxvtd6oIdRnvACKaO by [email protected] |
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@foone .bc stands for barbie code obviously |
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Post #AWxvtdB42oqm8MBjDU by [email protected] |
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@endrift definitely |
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Post #AWxwREo5A0k8OZSnj6 by [email protected] |
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correction: it's not a .pyc file.it is marshalled python code.that's wh… |
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Post #AWxwwl2rLhb1MFPC2i by [email protected] |
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well I tried injecting some new python code and now it hangs on start |
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Post #AWxxX2vCMWNXE37qTo by [email protected] |
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fixed it. I now have code running inside their engine! mwahahaha |
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Post #AWxzte0RMa62WKTs1I by [email protected] |
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the next step is to figure out how to yoink all their datafiles and then decomp… |
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Post #AWy1RjPvqp256RDqIC by [email protected] |
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ah-ha! I found a lingering reference to Qt, and figured out that the "sipE… |
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Post #AWy1RjUtYN0DLpXo1o by [email protected] |
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better link:https://www.riverbankcomputing.com/software/sip/ |
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Post #AWy2fhCJ06jSE74Sxs by [email protected] |
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why is this code checking to see if a python tuple has less than zero itemshow … |
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Post #AWy2fjqR9s1QR9rXnM by [email protected] |
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https://github.com/python/cpython/blob/7b3ed5b29fd33ecfdaedc3bb0b8f6c05ded68361… |
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Post #AWy2fkbaKZjgnNvCHg by [email protected] |
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python... python never changes |
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Post #AWy3B5b4KmossRcijg by [email protected] |
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@foone hold up is that why swig is called swig? |
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Post #AWy3B5fK4yDr5dc7Mm by [email protected] |
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@humulus the joke goes the other way: sip is newer than swig |
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Post #AWy6RrBvRklmz6Y9ya by [email protected] |
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I have successfully decompiled DesignSc.kar! it's a bunch of opaque methods… |
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Post #AWy6RuIlsl1odCmAYy by [email protected] |
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oh good lordthe .kar files are of INCONSISTENT ENDIANNESS |
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Post #AWy6Rv4d0pJF1dAO9o by [email protected] |
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they've got the file size stored at offset 4 and offset 16, both as 32bit i… |
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Post #AWy6RvoiFUAlKYjBzM by [email protected] |
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the file size is also at offset 40.sadly, it's just little endian again.I w… |
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Post #AWy6RwaDOsAbhsx81w by [email protected] |
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okay decompiled all the python scripts. nothing interesting in them. GlobalSc.k… |
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Post #AWyAIOCIHBQgGtSmHI by [email protected] |
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PRLib ENCRYPTS the list of filenames in its archives.The contents of the files … |
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Post #AWyAIQyvvJWauKEeMy by [email protected] |
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what a shame |
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Post #AWyYlaD75WSKpNIfBo by [email protected] |
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@whitequark @syn @foone So what you're saying is they're prepared for a… |
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Post #AWyYlaI4n4QT4lccvQ by [email protected] |
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@AT1ST @whitequark @syn that would be non-binary computing |
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Post #AWyYqathxeiyPFc3cW by [email protected] |
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@foone: Do the callers pass 440 useful char pointers? |
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Post #AWyYqaxxhq7wcRbSFc by [email protected] |
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@riley yes |
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Post #AWzRUHe2MBUznqeo8e by [email protected] |
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@foone this reminds me of something a bespoke profiling tool in the Amazon flav… |
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Post #AWzRUHie53BY28oUK0 by [email protected] |
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@kevingranade I'm surprised perl isn't using a union but I guess that m… |
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Post #AX1cJ2jAxvX0AHp6oK by [email protected] |
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@zens I didn't know it was a debate! I was just confused |
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Post #AX1newfFHxhTE5dCiG by [email protected] |
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@foone i'm sorry W H A T |
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Post #AX1newjr0pO1SNmstc by [email protected] |
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@amberage hey, could be worse, they could do true=0, false=1 |
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Post #AX1qYuQ917VcOQNhIG by [email protected] |
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@foone @amberage wasn't there a bug at some point with regular python that … |
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Post #AX1qYuU2mcd0aWCoN6 by [email protected] |
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@ShadowJonathan @amberage kinda, yeah! it was less a bug and more of a design d… |
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Post #AX1sqCXT6iPFPtBEu0 by [email protected] |
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@ShadowJonathan @foone @amberageThat reminds me: the fact that bool is a subcla… |
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Post #AX1sqCbMsDWdbz0Lyq by [email protected] |
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@obfusk fun. never thought about that issue. |
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Post #AX2RwrD4IrnbgkY0mG by [email protected] |
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@foone tuple size is unsigned in cPython, so that can't be negative, maybe … |
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Post #AX2RwrI20Pljw8ryVs by [email protected] |
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@thorsummoner nah. It's still in python. It's a check for a non-tuple o… |
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Post #AX3s1m3rfFxv8RCwCW by [email protected] |
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started documenting some of this on my wiki:https://wiki.foone.org/w/Barbie_Fas… |
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Post #AX3tK5zSPLT86tRjjE by [email protected] |
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I am making some progress in parsing the KAR files. I can dump the texture list… |
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Post #AX3tQIiQ0bbFJXR47c by [email protected] |
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fun fact: it does a similar thing to Wheel of Fortune (2010, Wii) in that it do… |
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Post #AX3us14jHuI0fOeQ64 by [email protected] |
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annoyingly there may be more textures in the textures chunks than are in the ma… |
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Post #AX3xNqELLPNQCsS0rg by [email protected] |
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also annoyingly, I've tracked down where it loads the texture width/height,… |
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Post #AX3xTXNmKhfdUMa252 by [email protected] |
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you'd think "well obviously they did them in the order width then heig… |
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Post #AX3xsbS6L4UJLmYQZE by [email protected] |
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never assume you're reversing something written by someone who had any amou… |
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Post #AX3xyckQR1m96czpPk by [email protected] |
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oh fuck me I'm in directxI don't even know how to figure out what 6374A… |
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Post #AX3yfKWU4Q1F2Cq5Jo by [email protected] |
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ooh goody. this program has unicows support because it might need to run on win… |
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Post #AX3zDYgRvYqUnbp0SW by [email protected] |
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oh my godit's from 2004and it checks for the pentium floating point bug |
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Post #AX3zbqFEHtuYDIfX7I by [email protected] |
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it also has code to detect it, which has an interesting decompilation. See, it … |
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Post #AX3zbt9JULxfDovLoO by [email protected] |
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which is correct. this function SHOULD always return 0... assuming your process… |
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Post #AX40ablOk6vcxvgukS by [email protected] |
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so here's what it does:divides 4195835 by 3145727, then multiply the result… |
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Post #AX40fUZUuSRk6lSBlY by [email protected] |
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on a normal processor, the final result will be 0.0on a FDIV bug processor, the… |
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Post #AX40fXCv6rAYHbuhUW by [email protected] |
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so comparing against 1.0 doesn't make sense. I must have misread this code |
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Post #AX4BYgqby5nteNPxLM by [email protected] |
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Finally found a listing of the Direct3DDevice9 vtables so I can make some progr… |
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Post #AX4COBYFZVLDe4NsWW by [email protected] |
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so the answer to my question from 2 hours ago:6374AEC0 means IDirect3DDevice9::… |
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Post #AX4CTjjptR0X7cRzLE by [email protected] |
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and the width and height are in that order |
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Post #AX4LDFicdX7UyK65gm by [email protected] |
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@foone Tucows came before unicows. Next we'll have to get zerocows. |
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Post #AX4LDFmsNiWTBW5UJs by [email protected] |
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@MegaMichelle fun fact: as part of this project, I got the SDK to the engine it… |
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Post #AX4NCMLqgtIZA59BQ0 by [email protected] |
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made some serious progress:I extracted all the textures from the TxFm blocks.Th… |
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Post #AX4NehURgv9apXgMFc by [email protected] |
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@foone What format are they? S3TC? |
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Post #AX4NehYhR6YZ2jfksi by [email protected] |
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@cinebox completely uncompressed! either R5G6B5 or A8R8G8B8 |
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Post #AX4SalqC4Zl0w7nfg8 by [email protected] |
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well I thought I might have found one of the dress patterns.NOPE! unless it'… |
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Post #AX4SkGGmJCOxuqlCka by [email protected] |
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ah-ha! it's one of the textures ued for stage 2, Pajama Theme |
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Post #AX4TU05qmelJ4DSWS8 by [email protected] |
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HEY LOOK SOME FABRIC PATTERNS! |
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Post #AX4VPm8muvVkXlwj1E by [email protected] |
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Partial extraction. I don't yet understand the metadata, but I manually poi… |
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Post #AX4VZIH0omeoo8Kcka by [email protected] |
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so I just need to do a bit more work on understanding how this file (KADynamic.… |
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Post #AXEOlKGIUiLyLqO2dc by [email protected] |
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okay improved extraction of KADynamic as I now understand TrFm chunks. Next ste… |
