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87 lines
2.5 KiB
Markdown
87 lines
2.5 KiB
Markdown
# Manual DLL Hex Editing
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!!! danger "Before proceeding"
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**This guide should ONLY be used as a last resort if all other methods fail.**
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**It has a high chance of breaking your game, make backups.**
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---
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### Preamble
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!!! tip ""
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We're going to patch Beatmania IIDX 25 CANNON BALLERS, however the process is similar for other BEMANI games.
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Here's what you'll need:
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- Your favorite hex editor, here we'll be using [HxD](https://mh-nexus.de/en/hxd/).
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- A clean copy of your desired BEMANI game.
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- A backup of your original `.dll` before editing.
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---
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### Getting Started
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!!! tip ""
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Decide on what hex edits you want to apply, you may find that information from the community or our [Resources](../resources.md).
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It's time to open our hex editor. If you're using HxD, you'll be greeted with the screen below.
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<img src="/img/hexguide/1.png">
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!!! tip ""
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Open your game's `.dll` file in the hex editor.
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For the grand majority of hex edits, this is the main game file, such as `bm2dx.dll`, `soundvoltex.dll`, etc..
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Pictured below, we've opened up `bm2dx.dll` inside HxD.
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<img src="/img/hexguide/2.png">
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!!! danger "Attention"
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The edit we'll be applying is **EXCLUSIVE to this version of the game** and serves as an example.
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This means it will not work on any other version of the game, nor any other game!
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Hex edits modify specific memory addresses that only apply to very specific game versions.
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!!! tip ""
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We'll be editing our game to `Unlock All Songs` and its edit is:
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- **Offset**: `0xB60B2`
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- **Original**: `74 10`
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- **Modified**: `90 90`
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In HxD we're going to hit `Ctrl+G` to open the `Goto` window.
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From here, we'll input the offset `B60B2` in the `Offset` section as shown below, and hit `OK`.
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<img src="/img/hexguide/3.png">
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!!! tip ""
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Our cursor should be taken to the offset at the exact location you want to edit.
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As you can see, the numbers in front of the cursor are `74` and `10` which corresponds to what we need to replace.
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**If there's a mismatch, it's likely the offset you've put in was wrong, so be sure to double check!**
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<img src="/img/hexguide/4.png">
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!!! tip ""
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Now all we need to do is select `74 10` and replace it with `90 90`.
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You can do this by either manually typing `90 90` or by copy and pasting.
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It should now look as shown below.
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<img src="/img/hexguide/5.png">
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!!! tip ""
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Lastly, simply save your file and repeat these steps for any other edits you want to apply!
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If at any point your game has issues due to your edits, restore your backup. |