From my memory, the windows ABI uses the first two bytes of functions for installing hooks/debugging by patching the first two bytes into some kind of jump (while originally being nops). This particular one looks like it's taking a function pointer in and checking if it's a valid function (not null) and then checking the first two bytes of the function. The sibling comment covers it a bit more in detail, but it's largely just some guessing and as much an art to figuring out what the types are or could be. (disclosure: per the child post, my original assumption that OpenRCT2 was copied out of Hex-Rays was inaccurate, since it was originally written in assembler it didn't follow a standard C ABI and the decompiler wouldn't work properly anyway). For example, OpenRCT2 started as a repository full of manually created source with Hex-Rays names and slowly evolved module-by-module into readable source code. Highly manual process, for some files it's just pattern matching / renaming and goes really quickly, for others it's full reimplementation and a bit harder.Īnd, if you look at most "decompiled game" projects, I think this is the industry standard way to do this. When I've done this in the past, it basically consists of:ġ) Decompile project using Ghidra/IDA, first pass.Ģ) Load symbols if present (sounds like there was a PDB for this one, which makes things a lot easier).ģ) Read decompilation/asm for unnamed subs and try to name them based on what they do.Ĥ) Export all decompiled source into an editor and start copy/paste/editing into readable source. Beyond the nostalgia, it’s refreshing to have a progressive storyline built around the quest for points on the table.I'm not aware of any good general-case automation for this. Like other free classics from Microsoft, such as Minesweeper and Solitaire, 3D Pinball – Space Cadet takes us back to a simpler time before slacking off got serious. If you want to change the controls, click on ‘Options’, followed by ‘Player Controls’. Despite being a digital table released in 1995, it’s still so popular that enthusiasts have recreated it and made it available as a free download. The pinnacle of your space fleet career is Fleet Admiral, but you’ll have to work your way up from your starting rank of Cadet through Ensign, Lieutenant, Captain, Lieutenant Commander, Commander, Commodore, and Admiral until you reach the top. Each mission requires you to achieve certain tasks like hitting the ‘attack bumpers’ eight times. However, it’s different from most pinball games because you are a member of a space fleet where you complete missions to rise through the ranks. It’s a top-down view of a pinball table with a space theme. What is 3D Pinball - Space Cadet?īased on one of three pinball games included in the ‘Full Tilt! Pinball’ series, 3D Pinball – Space Cadet was later separately bundled in with Windows 95 to Vista. Unfortunately, due to a bug in the latter, Microsoft removed it, and it never returned. Although it’s no longer included in Windows, you can download it separately and resume your space fleet career. It’s a much-loved classic that was included with Windows from 95 to Vista. It’s a classic game with nostalgic elements like Minesweeper and Solitaire. Instead of just aiming to rack up the highest possible score by hitting various points on the table, you’re a member of a space fleet where you complete missions to get promoted to the rank of Fleet Admiral. 3D Pinball - Space Cadet is a free pinball game with a difference.
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