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super:intermediate_guides:cloning_new_rooms
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| + | ====== Cloning New Rooms ====== | ||
| + | This guide will teach you how to add rooms to your hack via cloning existing rooms. This can be useful for a number of purposes, with the most obvious being adding new rooms means you aren't limited to the existing rooms in the ROM. This allows for some freedom of design, knowing you can add in some extra rooms if your design requires it. With a little foresight, you can use this to copy rooms with certain specifics to save time and repointing later.\\ | ||
| + | \\ | ||
| + | <color # | ||
| + | * SMILE. [I'm using [[http:// | ||
| + | * HEX Editor | ||
| + | * Knowledge of banks, hex editing, and repointing | ||
| + | * This is based off of an unheadered ROM | ||
| + | <color # | ||
| + | * Finding a room to copy | ||
| + | * Using SMILE to locate where and discover how much data to copy | ||
| + | * Using a hex editor to copy the room you've selected | ||
| + | * Using a hex editor to paste the new room in your ROM | ||
| + | * Adjusting SMILE' | ||
| + | * Going over what needs to be repointed | ||
| + | |||
| + | In order to be able to follow along with this guide, you should be very comfortable with SMILE and your hex editor. If this is your first foray into cloning a new room, things may seem a little complicated at first. Don't worry, follow the steps, and soon you'll be cloning rooms without a problem. Let's get started!\\ | ||
| + | ===== Step 1 - Choosing Your Room ==== | ||
| + | First thing to do is to find a room you want to copy. There are a few things in play here that may help you decide which one to copy. Initial thing to consider is the FX1. The reason for this is that you if you know what FX1 you want in your room, such as fog, water, fireflea, ect., you can copy a room that already has that FX1, and this will save you repointing your FX1 later.\\ | ||
| + | Second thing is room size. If you copy a room with the same dimensions you want for your new room, this will save a little bit of work later as well since you won't have to adjust the room properties in SMILE.\\ | ||
| + | Third thing to consider is if you want another roomstate. You can add a roomstate later if you want, but you could clone a room with the right roomstate event trigger and save some work down the road here.\\ | ||
| + | For my example, I am going to use room <color # | ||
| + | \\ | ||
| + | {{: | ||
| + | \\ | ||
| + | Once you find your room, it is time to move onto the next step, actually making the clone room. | ||
| + | ===== Step 2 - Making the Clone Room ===== | ||
| + | Now is when we need to get some information from SMILE and then turn to our handy hex editor. So, the first part we already have in hand, our room header from SMILE' | ||
| + | \\ | ||
| + | {{: | ||
| + | \\ | ||
| + | In the picture, I highlighted the surrounding room headers. We only need the one directly beneath our room however, as this tells us where the next room begins in the ROM, so now we know which byte to stop at. So now we need to <color # | ||
| + | \\ | ||
| + | {{: | ||
| + | \\ | ||
| + | You can see from the image that I've copied the data from <color # | ||
| + | \\ | ||
| + | {{: | ||
| + | \\ | ||
| + | Now the ROM has a new cloned room at location <color # | ||
| + | \\ | ||
| + | {{: | ||
| + | \\ | ||
| + | **NOTE: You may need to close SMILE and open the ROM again for the room header to update in the drop-down list.** | ||
| + | ===== Step 3 - Repointing and Preparing our Cloned Room ===== | ||
| + | When you open your cloned room, you will see everything about it is the exact same as the original. Now we need to do some work to get it to the point where we can fully edit the room with SMILE. Since it is a cloned room, it shares every pointer with the original, and changing something in the clone room will cause the original room to show the same change. You can freely change the music in the room without affecting the original, and you can change the tileset used, but that's about it. Let's get a list of the things we will need to repoint. <color red> | ||
| + | * <color red> | ||
| + | * <color yellow> | ||
| + | * <color yellow> | ||
| + | * <color yellow> | ||
| + | * <color yellow> | ||
| + | * <color yellow> | ||
| + | * <color yellow> | ||
| + | * <color red>Door Out</ | ||
| + | <color red> | ||
| + | <color yellow> | ||
| + | <color yellow> | ||
| + | <color yellow> | ||
| + | <color yellow> | ||
| + | <color yellow> | ||
| + | <color red> | ||
| + | \\ | ||
| + | Once you've finished with these, you've got a brand new cloned room to build with! (NOTE: If you cloned a room with multiple roomstates, you'll need to change the pointers for each roomstate.) There are a lot of rooms in the original, and the likelihood is you won't be making a hack big enough to need to clone new rooms, but if the need arises, I hope this guide helps explain the details of how and why. Happy hacking!\\ | ||
| + | \\ | ||
| + | Original document by MetroidMst | ||
super/intermediate_guides/cloning_new_rooms.txt ยท Last modified: 2016/08/02 20:19 by metroidmst
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